Ulaanbaatar to Bangkok UBN → BKK, DMK
Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)
The cheapest return found recently is $581 with MIAT Mongolian Airlines, 4 Dec – 12 Dec, found yesterday. The cheapest one-way found recently is $299 with Thai Vietjet Air, 26 Oct, found today.
Return
The cheapest return fare on each of 53 departure dates is usually $583 to $652.
Cheapest return found recently
$581
4 Dec – 12 Dec · MIAT Mongolian Airlines
Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)
Leaves 5:15 p.m. · Return leaves 1:05 a.m. · 33 h 50 min of travel, both ways together
out 1 stop, back 1 stop · via Beijing Capital International Airport (PEK) · overnight connection · 14 h connection
found yesterday
Cheapest nonstop return
$677
21 Nov – 19 Dec · MIAT Mongolian Airlines
Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)
Leaves 8:45 a.m. · Return leaves 8:55 p.m. · 11 h 40 min of travel, both ways together
out nonstop, back nonstop
found 4 days ago
Found recently, and the cheapest we hold
$581 4 Dec – 12 Decfound yesterdaySee prices for these dates
$559 25 Nov – 9 Decfound 5 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 $517 to $564.
At $581, 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 53 departure dates from 25 Oct to 9 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 8-night return fares leaving within 3 days of 4 Dec to compare.
Every date we hold
291 fares on 53 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 25 Oct – 8 Nov | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 26 Oct – 8 Nov | $581 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 28 Oct – 7 Nov | $582 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Nov – 8 Nov | $652 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 1 stop | found 5 days ago | See prices for these dates |
| 8 Nov – 20 Nov | $566 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 2 days ago | See prices for these dates |
| 16 Nov – 17 Nov | $628 | Spring Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 17 Nov – 25 Nov | $593 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 21 Nov – 19 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 25 Nov – 9 Dec | $559 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 5 days ago | See prices for these dates |
| 27 Nov – 12 Dec | $581 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 28 Nov – 12 Dec | $589 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 30 Nov – 13 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 1 Dec – 13 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 2 Dec – 6 Dec | $621 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 3 Dec – 5 Dec | $638 | Korean Air | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 4 Dec – 12 Dec | $581 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Dec – 8 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 7 Dec – 11 Dec | $588 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 8 Dec – 20 Dec | $580 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 9 Dec – 19 Dec | $582 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 10 Dec – 10 Jan 2027 | $593 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 11 Dec – 13 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 12 Dec – 13 Dec | $581 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 16 Dec – 18 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 17 Dec – 21 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 18 Dec – 20 Dec | $611 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 19 Dec – 23 Dec | $620 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 20 Dec – 20 Dec | $785 | Asiana Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 21 Dec – 25 Dec | $597 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 22 Dec – 24 Dec | $583 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 23 Dec – 26 Dec | $609 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back nonstop | found 3 days ago | See prices for these dates |
| 24 Dec – 26 Dec | $620 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back nonstop | found 3 days ago | See prices for these dates |
| 26 Dec – 28 Dec | $758 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back nonstop | found 3 days ago | See prices for these dates |
| 27 Dec – 30 Dec | $653 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back nonstop | found 3 days ago | See prices for these dates |
| 28 Dec – 31 Dec | $699 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 1 stop | found 3 days ago | See prices for these dates |
| 29 Dec – 17 Jan 2027 | $727 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 30 Dec – 15 Jan 2027 | $852 | Air China | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 2 stops | found 6 days ago | See prices for these dates |
| 1 Jan 2027 – 10 Jan 2027 | $877 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 4 Jan 2027 – 18 Jan 2027 | $585 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 6 Jan 2027 – 26 Jan 2027 | $591 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 8 Jan 2027 – 28 Jan 2027 | $586 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Jan 2027 – 29 Jan 2027 | $714 | Asiana Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 11 Jan 2027 – 25 Jan 2027 | $591 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 12 Jan 2027 – 27 Jan 2027 | $593 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 13 Jan 2027 – 24 Jan 2027 | $581 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 14 Jan 2027 – 4 Feb 2027 | $736 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 15 Jan 2027 – 24 Jan 2027 | $591 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 16 Jan 2027 – 6 Feb 2027 | $624 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 17 Jan 2027 – 25 Jan 2027 | $591 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 22 Jan 2027 – 31 Jan 2027 | $723 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 2 stops | found 5 days ago | See prices for these dates |
| 6 Feb 2027 – 14 Feb 2027 | $695 | Korean Air | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 4 Mar 2027 – 18 Mar 2027 | $701 | Korean Air | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 9 Apr 2027 – 16 Apr 2027 | $652 | Korean Air | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $559.
Airlines on the cheapest dates: MIAT Mongolian Airlines, Air China, Korean Air, Asiana Airlines, Spring Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $278 to $294.
Cheapest one-way found recently
$299
26 Oct · Thai Vietjet Air
Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)
Leaves 8:45 p.m. · 9 h 35 min trip
1 stop · via Beijing Daxing International Airport (PKX)
found today
Cheapest nonstop one-way
$355
13 Jan 2027 · MIAT Mongolian Airlines
Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)
Leaves 8:45 a.m. · 6 h trip
nonstop
found 6 days ago
Found recently, and the cheapest we hold
$299 26 Octfound todayOpen this trip
$266 13 Jan 2027found 6 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 $261 to $334.
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 3 departure dates from 26 Oct to 18 Feb 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 one-way fares leaving within 3 days of 26 Oct to compare.
Every date we hold
47 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 26 Oct | $299 | Thai Vietjet Air | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | 1 stop | found today | Open this trip |
| 13 Jan 2027 | $266 | MIAT Mongolian Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | 2 stops | found 6 days ago | Open this trip |
| 18 Feb 2027 | $289 | Spring Airlines | Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK) | 1 stop | found 5 days ago | Open this trip |
Which month looks cheapest?
January 2027 is the cheapest month — from $266.
Airlines on the cheapest dates: Thai Vietjet Air, MIAT Mongolian Airlines, Spring Airlines.
Premium cabin fares from Ulaanbaatar to Bangkok
Return
We looked for premium economy, business and first-class return fares on this route, and hold none found in the last 7 days.
Today's prices for 4 Dec – 12 Dec in another cabin: Premium economy · Business · First
One-way
Business
The lowest business fare we have seen is $1,022, across 2 departure dates.
23 Dec · UBN → BKK · China Eastern
1 stop · via PEK · change of airport PEK to PKX · 6 h connection
found 3 days ago
That business fare is 3.8 times the economy fare of $266.
Today's prices for 26 Oct in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Ulaanbaatar to Bangkok?
Return
Fares 90 to 179 days before departure were typically 10% 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
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $620 | $523 | +11% | 24 |
| 7–13 days | $567 | $523 | +2% | 25 |
| 14–29 days | $576 | $555 | +3% | 25 |
| 30–59 days | $566 | $541 | +2% | 25 |
| 60–89 days | $581 | $571 | +4% | 25 |
| 90–179 days | $557 | $517 | Cheapest seen | 25 |
| 180+ days | $654 | $654 | +17% | 13 |
One-way
The cheapest fares were 60 to 89 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 |
|---|---|---|---|---|
| 30–59 days | $295 | $284 | +4% | 9 |
| 60–89 days | $283 | $266 | Cheapest seen | 11 |
| 90–179 days | $283 | $264 | +0% | 25 |
| 180+ days | $362 | $360 | +28% | 19 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Ulaanbaatar → Pattaya
101 km from Bangkok
$1,004
$423 more than flying to Bangkok
4 Dec – 8 Dec · UBN → UTP · out 2 stops, back 3 stops
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 4 Dec – 12 Dec. 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
