Bangkok to Khon Kaen BKK, DMK → KKC
Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC)
The cheapest return found recently is $102 with THAI Airways, 7 Apr 2027 – 12 Apr 2027, found 2 days ago. The cheapest one-way found recently is $31 with Thai Lion Air, 13 Nov, found today.
Return
The cheapest return fare on each of 7 departure dates is usually $66 to $91.
Cheapest return found recently
$102
7 Apr 2027 – 12 Apr 2027 · THAI Airways
Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC)
Leaves 7:00 a.m. · Return leaves 7:05 p.m. · 2 h of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Cheapest nonstop return
$102
7 Apr 2027 – 12 Apr 2027 · THAI Airways
Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC)
Leaves 7:00 a.m. · Return leaves 7:05 p.m. · 2 h of travel, both ways together
out nonstop, back nonstop
found 2 days ago
Found recently, and the cheapest we hold
$102 7 Apr 2027 – 12 Apr 2027found 2 days agoSee prices for these dates
$63 22 Oct – 29 Octfound 6 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 $55 to $64.
At $102, 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 7 departure dates from 22 Oct to 12 Apr 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 5-night return fares leaving within 3 days of 7 Apr 2027 to compare.
Every date we hold
12 fares on 7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Oct – 29 Oct | $63 | Thai Lion Air | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 29 Oct – 30 Oct | $65 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 21 Nov – 22 Nov | $67 | Thai Lion Air | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 22 Nov – 25 Nov | $68 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 12 Dec – 15 Dec | $80 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 3 days ago | See prices for these dates |
| 7 Apr 2027 – 12 Apr 2027 | $102 | THAI Airways | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 12 Apr 2027 – 12 Apr 2027 | $131 | Thai Lion Air | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $63.
Airlines on the cheapest dates: Thai Lion Air, Thai Vietjet Air, Thai AirAsia, THAI Airways.
One-way
The cheapest one-way fare on each of 13 departure dates is usually $31 to $39.
Cheapest one-way found recently
$31
13 Nov · Thai Lion Air
Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC)
Leaves 8:05 a.m. · 1 h 5 min trip
nonstop
found today
Cheapest nonstop one-way
$31
13 Nov · Thai Lion Air
Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC)
Leaves 8:05 a.m. · 1 h 5 min trip
nonstop
found today
Found recently, and the cheapest we hold
$31 13 Novfound todayOpen this trip
$28 3 Novfound 4 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $26 to $31.
At $31, the cheapest one-way found recently is at the high end of 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 13 departure dates from 23 Oct to 12 Apr 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 1 other departure date within 3 days of 13 Nov, and it is not cheaper.
Every date we hold
19 fares on 13 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Oct | $34 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | nonstop | found 6 days ago | Open this trip |
| 3 Nov | $28 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | nonstop | found 4 days ago | Open this trip |
| 11 Nov | $33 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | nonstop | found yesterday | Open this trip |
| 13 Nov | $31 | Thai Lion Air | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found today | Open this trip |
| 20 Nov | $32 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | nonstop | found 2 days ago | Open this trip |
| 22 Nov | $30 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Khon Kaen Airport (KKC) | nonstop | found 4 days ago | Open this trip |
| 10 Dec | $39 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 3 days ago | Open this trip |
| 16 Dec | $36 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 4 days ago | Open this trip |
| 22 Dec | $31 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 3 days ago | Open this trip |
| 24 Dec | $35 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 5 days ago | Open this trip |
| 25 Dec | $42 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 6 days ago | Open this trip |
| 28 Dec | $46 | Thai AirAsia | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 5 days ago | Open this trip |
| 12 Apr 2027 | $72 | Thai Lion Air | Don Mueang International Airport (DMK) → Khon Kaen Airport (KKC) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from $28.
Airlines on the cheapest dates: Thai AirAsia, Thai Vietjet Air, Thai Lion Air.
Premium cabin fares from Bangkok to Khon Kaen
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 7 Apr 2027 – 12 Apr 2027 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 Bangkok to Khon Kaen?
Return
The cheapest fares were 7 to 13 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $64 | $63 | +5% | 22 |
| 7–13 days | $61 | $61 | Cheapest seen | 13 |
| 14–29 days | $64 | $61 | +5% | 19 |
| 30–59 days | $67 | $55 | +10% | 21 |
| 60–89 days | $79 | $72 | +30% | 17 |
One-way
Fares 30 to 59 days before departure were typically 11% 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $32 | $30 | +13% | 16 |
| 7–13 days | $31 | $30 | +11% | 17 |
| 14–29 days | $31 | $28 | +11% | 19 |
| 30–59 days | $28 | $26 | Cheapest seen | 20 |
| 60–89 days | $37 | $31 | +32% | 16 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Bangkok → Udon Thani
104 km from Khon Kaen
$66
$36 less than flying to Khon Kaen
27 Nov – 29 Nov · DMK → UTH · out nonstop, back nonstop
found 2 days ago
Bangkok → Roi Et
108 km from Khon Kaen
$97
$5 less than flying to Khon Kaen
25 Dec – 29 Dec · DMK → ROI · out nonstop, back nonstop
found 6 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Bangkok → Udon Thani
104 km from Khon Kaen
$30
$1 less than flying to Khon Kaen
2 Nov · DMK → UTH · nonstop
found yesterday
Bangkok → Buri Ram
142 km from Khon Kaen
$88
$57 more than flying to Khon Kaen
10 Apr 2027 · DMK → BFV · nonstop
found 4 days ago
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 7 Apr 2027 – 12 Apr 2027. 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