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Pattaya to Koh Samui UTP → USM

Utapao Airport (UTP) → Koh Samui Airport (USM)

The cheapest return found recently is $205 with Bangkok Airways, 4 Nov – 7 Nov, found 19 hours ago. The cheapest one-way found recently is $53 with Bangkok Airways, 13 Nov, found 3 hours ago.

Return

The cheapest return fare on each of 44 departure dates is usually $225 to $337.

Cheapest return found recently

$205

4 Nov – 7 Nov · Bangkok Airways

Utapao Airport (UTP) → Koh Samui Airport (USM)

Leaves 5:25 p.m. · Return leaves 11:10 a.m. · 2 h 15 min of travel, both ways together

out nonstop, back nonstop

found 19 hours ago

See prices for these datesCheck today's price

Cheapest nonstop return

$205

4 Nov – 7 Nov · Bangkok Airways

Utapao Airport (UTP) → Koh Samui Airport (USM)

Leaves 5:25 p.m. · Return leaves 11:10 a.m. · 2 h 15 min of travel, both ways together

out nonstop, back nonstop

found 19 hours ago

See prices for these datesCheck today's price

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $205 4 Nov – 7 Novfound 19 hours agoSee prices for these dates

Cheapest we hold, of any age $169 18 Nov – 19 Novfound 7 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $143 to $169.

At $205, the cheapest return found recently is above that range.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good return price?

Compared with the cheapest return fare on each of 44 departure dates from 25 Oct to 1 May 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

We hold no other 3-night return fares leaving within 3 days of 4 Nov to compare.

Every date we hold

120 fares on 44 departure dates

25 Oct – 29 Oct: $290, found yesterday26 Oct – 3 Nov: $230, found 4 days ago27 Oct – 3 Nov: $220, found 4 days ago30 Oct – 6 Nov: $203, found 2 days ago4 Nov – 7 Nov: $205, found 19 hours ago7 Nov – 11 Nov: $201, found 2 days ago10 Nov – 14 Nov: $219, found 6 days ago13 Nov – 19 Nov: $176, found 2 days ago16 Nov – 22 Nov: $224, found yesterday18 Nov – 19 Nov: $169, found 7 days ago21 Nov – 28 Nov: $276, found 2 days ago25 Nov – 9 Dec: $274, found 3 days ago26 Nov – 28 Nov: $258, found 2 days ago27 Nov – 30 Nov: $225, found 4 days ago28 Nov – 1 Dec: $230, found 4 days ago30 Nov – 1 Dec: $252, found 2 days ago2 Dec – 13 Jan 2027: $273, found 5 days ago3 Dec – 15 Dec: $267, found yesterday4 Dec – 12 Dec: $356, found 4 days ago6 Dec – 10 Dec: $358, found 6 days ago7 Dec – 7 Dec: $556, found 5 days ago15 Dec – 22 Dec: $565, found 4 days ago16 Dec – 21 Dec: $323, found 6 days ago23 Dec – 6 Jan 2027: $357, found 3 days ago25 Dec – 7 Jan 2027: $357, found 3 days ago27 Dec – 5 Jan 2027: $360, found 2 days ago28 Dec – 9 Jan 2027: $357, found 3 days ago29 Dec – 9 Jan 2027: $357, found 3 days ago30 Dec – 2 Jan 2027: $360, found 2 days ago2 Jan 2027 – 22 Jan 2027: $331, found 3 days ago3 Jan 2027 – 7 Jan 2027: $356, found 6 days ago11 Jan 2027 – 18 Jan 2027: $321, found 6 days ago24 Jan 2027 – 5 Feb 2027: $269, found 3 days ago25 Jan 2027 – 4 Feb 2027: $262, found 2 days ago26 Jan 2027 – 6 Feb 2027: $248, found 3 days ago31 Jan 2027 – 4 Feb 2027: $281, found 6 days ago6 Feb 2027 – 6 Mar 2027: $253, found 6 days ago10 Feb 2027 – 17 Feb 2027: $309, found 6 days ago16 Feb 2027 – 1 Mar 2027: $262, found 2 days ago25 Feb 2027 – 4 Mar 2027: $276, found yesterday1 Mar 2027 – 15 Mar 2027: $241, found 3 days ago6 Mar 2027 – 9 Mar 2027: $197, found 4 days ago15 Mar 2027 – 29 Mar 2027: $211, found 3 days ago1 May 2027 – 24 May 2027: $224, found 5 days agoOctNovDecJanFebMarMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
25 Oct – 29 Oct$290Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound yesterdaySee prices for these dates
26 Oct – 3 Nov$230Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Oct – 3 Nov$220Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Oct – 6 Nov$203Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
4 Nov – 7 Nov$205Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 19 hours agoSee prices for these dates
7 Nov – 11 Nov$201Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Nov – 14 Nov$219Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
13 Nov – 19 Nov$176Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Nov – 22 Nov$224Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound yesterdaySee prices for these dates
18 Nov – 19 Nov$169Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 7 days agoSee prices for these dates
21 Nov – 28 Nov$276Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Nov – 9 Dec$274Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
26 Nov – 28 Nov$258Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Nov – 30 Nov$225Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
28 Nov – 1 Dec$230Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
30 Nov – 1 Dec$252Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Dec – 13 Jan 2027$273Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates
3 Dec – 15 Dec$267Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound yesterdaySee prices for these dates
4 Dec – 12 Dec$356Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
6 Dec – 10 Dec$358Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
7 Dec – 7 Dec$556Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back 2 stopsfound 5 days agoSee prices for these dates
15 Dec – 22 Dec$565Thai Lion AirUtapao Airport (UTP) → Koh Samui Airport (USM)out 2 stops, back nonstopfound 4 days agoSee prices for these dates
16 Dec – 21 Dec$323Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
23 Dec – 6 Jan 2027$357Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
25 Dec – 7 Jan 2027$357Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Dec – 5 Jan 2027$360Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
28 Dec – 9 Jan 2027$357Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
29 Dec – 9 Jan 2027$357Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
30 Dec – 2 Jan 2027$360Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
2 Jan 2027 – 22 Jan 2027$331Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
3 Jan 2027 – 7 Jan 2027$356Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
11 Jan 2027 – 18 Jan 2027$321Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Jan 2027 – 5 Feb 2027$269Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
25 Jan 2027 – 4 Feb 2027$262Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
26 Jan 2027 – 6 Feb 2027$248Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
31 Jan 2027 – 4 Feb 2027$281Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
6 Feb 2027 – 6 Mar 2027$253Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
10 Feb 2027 – 17 Feb 2027$309Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 6 days agoSee prices for these dates
16 Feb 2027 – 1 Mar 2027$262Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 2 days agoSee prices for these dates
25 Feb 2027 – 4 Mar 2027$276Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound yesterdaySee prices for these dates
1 Mar 2027 – 15 Mar 2027$241Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
6 Mar 2027 – 9 Mar 2027$197Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 4 days agoSee prices for these dates
15 Mar 2027 – 29 Mar 2027$211Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 3 days agoSee prices for these dates
1 May 2027 – 24 May 2027$224Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)out nonstop, back nonstopfound 5 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $169.

October 2026From $2034 departure dates30 Oct – 6 Nov · found 2 days agoSee prices for these datesEvery date in October 2026
November 2026From $169Cheapest seen12 departure dates18 Nov – 19 Nov · found 7 days agoSee prices for these datesEvery date in November 2026
December 2026From $26713 departure dates3 Dec – 15 Dec · found yesterdaySee prices for these datesEvery date in December 2026
January 2027From $2487 departure dates26 Jan 2027 – 6 Feb 2027 · found 3 days agoSee prices for these datesEvery date in January 2027
February 2027From $2534 departure dates6 Feb 2027 – 6 Mar 2027 · found 6 days agoSee prices for these dates
March 2027From $1973 departure dates6 Mar 2027 – 9 Mar 2027 · found 4 days agoSee prices for these dates
May 2027From $2241 departure date1 May 2027 – 24 May 2027 · found 5 days agoSee prices for these dates

Airlines on the cheapest dates: Bangkok Airways, Thai Lion Air.

One-way

The cheapest one-way fare on each of 36 departure dates is usually $92 to $128.

Cheapest one-way found recently

$53

13 Nov · Bangkok Airways

Utapao Airport (UTP) → Koh Samui Airport (USM)

Leaves 5:25 p.m. · 1 h 5 min trip

nonstop

found 3 hours ago

Open this tripCheck today's price

Cheapest nonstop one-way

$53

13 Nov · Bangkok Airways

Utapao Airport (UTP) → Koh Samui Airport (USM)

Leaves 5:25 p.m. · 1 h 5 min trip

nonstop

found 3 hours ago

Open this tripCheck today's price

FareTell may earn a commission when you book through a partner.

Found recently, and the cheapest we hold

Cheapest found recently $53 13 Novfound 3 hours agoOpen this trip

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $62 to $75.

At $53, the cheapest one-way found recently is below that range.

25 days is a short history, so treat this range as an early guide.

Those were the prices on those days, not today's.

Is this a good one-way price?

Compared with the cheapest one-way fare on each of 36 departure dates from 20 Oct to 30 Jul 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.

Could nearby dates be cheaper?

No. We hold one-way fares on 2 other departure dates within 3 days of 13 Nov, and none is cheaper.

Every date we hold

79 fares on 36 departure dates

20 Oct: $115, found 2 days ago21 Oct: $108, found 2 days ago23 Oct: $109, found 4 days ago24 Oct: $104, found 5 days ago26 Oct: $118, found 4 days ago30 Oct: $87, found 2 days ago31 Oct: $93, found 4 days ago1 Nov: $93, found 4 days ago2 Nov: $114, found 4 days ago3 Nov: $62, found 5 days ago4 Nov: $78, found yesterday5 Nov: $90, found 5 days ago6 Nov: $92, found yesterday8 Nov: $94, found yesterday9 Nov: $114, found yesterday13 Nov: $53, found 3 hours ago14 Nov: $91, found 2 days ago15 Nov: $75, found 2 days ago25 Nov: $94, found 3 days ago27 Nov: $80, found 2 days ago26 Dec: $177, found 2 days ago29 Dec: $163, found 6 days ago30 Dec: $174, found 4 days ago7 Jan 2027: $174, found 4 days ago11 Jan 2027: $142, found 6 days ago12 Jan 2027: $119, found 6 days ago24 Jan 2027: $122, found 6 days ago7 Feb 2027: $142, found 5 days ago8 Feb 2027: $174, found 5 days ago10 Feb 2027: $127, found 5 days ago20 Feb 2027: $127, found yesterday25 Feb 2027: $129, found yesterday4 Mar 2027: $80, found yesterday14 Mar 2027: $92, found 5 days ago9 Apr 2027: $128, found 2 days ago30 Jul 2027: $142, found 3 days agoOctNovDecJanFebJul
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
20 Oct$115Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
21 Oct$108Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
23 Oct$109Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
24 Oct$104Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
26 Oct$118Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
30 Oct$87Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
31 Oct$93Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
1 Nov$93Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
2 Nov$114Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
3 Nov$62Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
4 Nov$78Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
5 Nov$90Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
6 Nov$92Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
8 Nov$94Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
9 Nov$114Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
13 Nov$53Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 hours agoOpen this trip
14 Nov$91Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
15 Nov$75Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
25 Nov$94Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip
27 Nov$80Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
26 Dec$177Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
29 Dec$163Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 6 days agoOpen this trip
30 Dec$174Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
7 Jan 2027$174Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 4 days agoOpen this trip
11 Jan 2027$142Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 6 days agoOpen this trip
12 Jan 2027$119Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 6 days agoOpen this trip
24 Jan 2027$122Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 6 days agoOpen this trip
7 Feb 2027$142Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
8 Feb 2027$174Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
10 Feb 2027$127Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
20 Feb 2027$127Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
25 Feb 2027$129Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
4 Mar 2027$80Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound yesterdayOpen this trip
14 Mar 2027$92Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 5 days agoOpen this trip
9 Apr 2027$128Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 2 days agoOpen this trip
30 Jul 2027$142Bangkok AirwaysUtapao Airport (UTP) → Koh Samui Airport (USM)nonstopfound 3 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $53.

October 2026From $877 departure dates30 Oct · found 2 days agoOpen this tripEvery date in October 2026
November 2026From $53Cheapest seen13 departure dates13 Nov · found 3 hours agoOpen this tripEvery date in November 2026
December 2026From $1633 departure dates29 Dec · found 6 days agoOpen this tripEvery date in December 2026
January 2027From $1194 departure dates12 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $1275 departure dates10 Feb 2027 · found 5 days agoOpen this trip
March 2027From $802 departure dates4 Mar 2027 · found yesterdayOpen this trip
April 2027From $1281 departure date9 Apr 2027 · found 2 days agoOpen this trip
July 2027From $1421 departure date30 Jul 2027 · found 3 days agoOpen this trip

Airlines on the cheapest dates: Bangkok Airways.

Premium cabin fares from Pattaya to Koh Samui

We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.

Today's prices for 4 Nov – 7 Nov in another cabin: Premium economy · Business · First

Today's prices for 13 Nov in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Pattaya to Koh Samui?

Return

Fares 180 or more days before departure were typically 26% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$197$166+36%25
7–13 days$197$175+36%25
14–29 days$177$164+22%25
30–59 days$169$161+17%25
60–89 days$307$169+112%25
90–179 days$196$186+35%25
180+ days$145$143Cheapest seen25

One-way

Fares 30 to 59 days before departure were typically 32% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

See these ranges as a table
Typical price in each booking range — one way, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$92$66+46%25
7–13 days$79$68+25%25
14–29 days$70$62+11%25
30–59 days$63$62Cheapest seen25
60–89 days$142$74+125%25
90–179 days$80$78+27%25
180+ days$78$70+24%25

Could a nearby airport be cheaper?

A different airport at either end can change the fare — sometimes a lot.

Return

Bangkok → Koh Samui

101 km from Pattaya

$164

$41 less than flying from Pattaya

2 Nov – 7 Nov · BKK → USM · out nonstop, back nonstop

found 12 hours ago

See this route

Pattaya → Surat Thani

94 km from Koh Samui

$367

$162 more than flying to Koh Samui

19 Nov – 26 Nov · UTP → URT · out 2 stops, back 2 stops

found yesterday

See this route

Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.

One-way

Bangkok → Koh Samui

101 km from Pattaya

$84

$31 more than flying from Pattaya

28 May 2027 · BKK → USM · nonstop

found 3 hours ago

See this route

Hua Hin → Koh Samui

106 km from Pattaya

$325

$272 more than flying from Pattaya

5 Jan 2027 · HHQ → USM · 2 stops

found yesterday

Check today's price

Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.

Live price for these dates

The cheapest return found recently is for 4 Nov – 7 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work