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Ulaanbaatar to Bangkok flights in January 2027 from $282 UBN → BKK, DMK

Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK)

For departures in January 2027, the cheapest return found recently is $613 with S7 Airlines, 22 Jan 2027 – 4 Feb 2027, found 2 days ago. The cheapest one-way found recently is $282 with MIAT Mongolian Airlines, 13 Jan 2027, found 2 days ago.

Return

In January 2027, the cheapest return fare on each of 14 departure dates is usually $615 to $768. Across all 46 departure dates we hold on this route, it is usually $615 to $768. Of the 5 months with enough return fares to compare, 3 are usually cheaper than January 2027.

Cheapest return found recently

$613

22 Jan 2027 – 4 Feb 2027 · S7 Airlines

Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)

out 1 stop, back 2 stops

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$580

8 Jan 2027 – 22 Jan 2027 · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)

out 1 stop, back 1 stop

found 7 days ago

See prices for these datesCheck today's price

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
8 Jan 2027 – 22 Jan 2027$580MIAT Mongolian Airlinesout 1 stop, back 1 stopfound 7 days agoSee prices for these dates
6 Jan 2027 – 20 Jan 2027$608MIAT Mongolian Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
18 Jan 2027 – 28 Jan 2027$613MIAT Mongolian Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates
22 Jan 2027 – 4 Feb 2027$613S7 Airlinesout 1 stop, back 2 stopsfound 2 days agoSee prices for these dates
13 Jan 2027 – 21 Jan 2027$620MIAT Mongolian Airlinesout 1 stop, back 1 stopfound 6 days agoSee prices for these dates

Every date we hold

14 departure dates

1 Jan 2027 – 18 Jan 2027: $836, found 2 days ago3 Jan 2027 – 31 Jan 2027: $761, found 2 days ago4 Jan 2027 – 15 Jan 2027: $799, found 2 days ago5 Jan 2027 – 19 Jan 2027: $771, found 4 days ago6 Jan 2027 – 20 Jan 2027: $608, found 6 days ago7 Jan 2027 – 23 Jan 2027: $770, found 6 days ago8 Jan 2027 – 22 Jan 2027: $580, found 7 days ago11 Jan 2027 – 30 Jan 2027: $672, found 7 days ago12 Jan 2027 – 1 Feb 2027: $648, found 5 days ago13 Jan 2027 – 21 Jan 2027: $620, found 6 days ago18 Jan 2027 – 28 Jan 2027: $613, found 6 days ago22 Jan 2027 – 4 Feb 2027: $613, found 2 days ago23 Jan 2027 – 4 Feb 2027: $711, found 2 days ago24 Jan 2027 – 5 Feb 2027: $674, found 2 days agoJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Jan 2027 – 18 Jan 2027$836Air ChinaChinggis Khaan International Airport (UBN) → Don Mueang International Airport (DMK)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
3 Jan 2027 – 31 Jan 2027$761Asiana AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
4 Jan 2027 – 15 Jan 2027$799MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out nonstop, back 2 stopsfound 2 days agoSee prices for these dates
5 Jan 2027 – 19 Jan 2027$771MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 2 stops, back 1 stopfound 4 days agoSee prices for these dates
6 Jan 2027 – 20 Jan 2027$608MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
7 Jan 2027 – 23 Jan 2027$770MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 2 stopsfound 6 days agoSee prices for these dates
8 Jan 2027 – 22 Jan 2027$580MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
11 Jan 2027 – 30 Jan 2027$672Korean AirChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 7 days agoSee prices for these dates
12 Jan 2027 – 1 Feb 2027$648Korean AirChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
13 Jan 2027 – 21 Jan 2027$620MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
18 Jan 2027 – 28 Jan 2027$613MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
22 Jan 2027 – 4 Feb 2027$613S7 AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates
23 Jan 2027 – 4 Feb 2027$711MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 2 stops, back 1 stopfound 2 days agoSee prices for these dates
24 Jan 2027 – 5 Feb 2027$674MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)out 1 stop, back 2 stopsfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $525.

November 2026From $5473 departure dates22 Nov – 22 Dec · found 4 days agoSee prices for these dates
December 2026From $525Cheapest seen19 departure dates27 Dec – 14 Jan 2027 · found 3 days agoSee prices for these datesEvery date in December 2026
January 2027From $58014 departure dates8 Jan 2027 – 22 Jan 2027 · found 7 days agoSee prices for these dates
February 2027From $6213 departure dates1 Feb 2027 – 8 Feb 2027 · found 7 days agoSee prices for these dates
March 2027From $5934 departure dates13 Mar 2027 – 25 Mar 2027 · found 3 days agoSee prices for these dates
April 2027From $6731 departure date1 Apr 2027 – 12 Apr 2027 · found 5 days agoSee prices for these dates
July 2027From $7771 departure date30 Jul 2027 – 8 Aug 2027 · found 6 days agoSee prices for these dates
October 2027From $6191 departure date19 Oct 2027 – 1 Nov 2027 · found 7 days agoSee prices for these dates

One-way

We hold one-way fares on only 1 departure date in January 2027, too few to say what one usually costs.

Cheapest one-way found recently

$282

13 Jan 2027 · MIAT Mongolian Airlines

Chinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)

2 stops

found 2 days ago

Open this tripCheck today's price

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

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The cheapest dates in January 2027

DatesFromAirlineStopsFound
13 Jan 2027$282MIAT Mongolian Airlines2 stopsfound 2 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
13 Jan 2027$282MIAT Mongolian AirlinesChinggis Khaan International Airport (UBN) → Suvarnabhumi Airport (BKK)2 stopsfound 2 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $240.

November 2026From $240Cheapest seen2 departure dates16 Nov · found 8 days agoSee prices for these dates
January 2027From $2821 departure date13 Jan 2027 · found 2 days agoOpen this trip
February 2027From $3112 departure dates2 Feb 2027 · found 4 days agoOpen this trip
March 2027From $3361 departure date10 Mar 2027 · found 5 days agoOpen this trip
September 2027From $3711 departure date24 Sept 2027 · found 2 days agoOpen this trip

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