Roundtrip
🇲🇳Ulaanbaatar
Mongolia
City
Nov 18WedNov 23Mon
5 nights-12°
Roundtrip fare
฿18,716
Steal
฿26,470-29%฿7,754 below avg
Cheapest Time to Fly to Ulaanbaatar
Compare the cheapest months to fly from Bangkok to Ulaanbaatar in THB. See separate one-way and roundtrip fare ranges, sample sizes and current deals.
One way from ฿8,794
Roundtrip from ฿18,716
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Current deals to Ulaanbaatar · Roundtrip
Outbound and return flights together in one total fare · Available fares behind the monthly comparison
Current deals to Ulaanbaatar · One way
Outbound-only fares for flexible and open-ended plans · Available fares behind the monthly comparison
One way
Ulaanbaatar
Mongolia
City
Dec 28Mon
One-way fare
฿8,794
Steal
฿12,939-32%฿4,145 below avg
One way
Ulaanbaatar
Mongolia
City
Nov 18Wed
One-way fare
฿8,821
Steal
฿12,939-32%฿4,118 below avg
One way
Ulaanbaatar
Mongolia
City
Nov 23Mon
One-way fare
฿8,824
Steal
฿12,939-32%฿4,115 below avg
One way
Ulaanbaatar
Mongolia
City
Nov 25Wed
One-way fare
฿8,824
Steal
฿12,939-32%฿4,115 below avg
One way
Ulaanbaatar
Mongolia
City
Feb 1Mon
One-way fare
฿8,852
Steal
฿12,939-32%฿4,087 below avg
One way
Ulaanbaatar
Mongolia
City
Dec 23Wed
One-way fare
฿8,880
Steal
฿12,939-31%฿4,059 below avg
One way
Ulaanbaatar
Mongolia
City
Dec 21Mon
One-way fare
฿8,925
Steal
฿12,939-31%฿4,014 below avg
One way
Ulaanbaatar
Mongolia
City
Dec 26Sat
One-way fare
฿8,932
Steal
฿12,939-31%฿4,007 below avg
One way
Ulaanbaatar
Mongolia
City
Feb 3Wed
One-way fare
฿9,145
Steal
฿12,939-29%฿3,794 below avg
Monthly fare comparison
Lowest and average fares with sample sizes.
Monthly fare comparison
Lowest and average fares with sample sizes.
January 2027
625 fares
One way29
- Min
- ฿11,933
- Avg
- ฿14,853
Roundtrip596
- Min
- ฿23,162
- Avg
- ฿29,150
February 2027
543 fares
One way28
- Min
- ฿8,852
- Avg
- ฿13,635
Roundtrip515
- Min
- ฿20,140
- Avg
- ฿27,239
March 2027
546 fares
One way27
- Min
- ฿12,272
- Avg
- ฿14,235
Roundtrip519
- Min
- ฿24,139
- Avg
- ฿27,621
September 2026
459 fares
One way22
- Min
- ฿11,065
- Avg
- ฿12,944
Roundtrip437
- Min
- ฿20,362
- Avg
- ฿25,546
October 2026
637 fares
One way31
- Min
- ฿9,267
- Avg
- ฿12,532
Roundtrip606
- Min
- ฿19,514
- Avg
- ฿24,956
November 2026
528 fares
One way30
- Min
- ฿8,821
- Avg
- ฿11,085
Roundtrip498
- Min
- ฿18,716
- Avg
- ฿23,851
December 2026
538 fares
One way31
- Min
- ฿8,794
- Avg
- ฿11,592
Roundtrip507
- Min
- ฿19,964
- Avg
- ฿26,539
How to read the monthly fare data
- Compare one-way prices only with the one-way series and roundtrip prices only with the roundtrip series.
- Use the fare count to judge how much current evidence sits behind a monthly average.
- Treat the lowest fare as an observed option, not a guaranteed future price.
- Open a month to compare exact departure dates, airlines, stops and travel time.
FAQ: Cheapest Time to Fly to Ulaanbaatar
Which month has the cheapest one-way flights from Bangkok to Ulaanbaatar?
November currently has the lowest observed one-way fare, from ฿8,794. This compares one-way fares only.
Which month has the cheapest roundtrip flights from Bangkok to Ulaanbaatar?
November currently has the lowest observed roundtrip fare, from ฿18,716. This compares complete roundtrips only.
How are the cheapest months for Ulaanbaatar calculated?
We compare current observed fares from Bangkok by departure month. One-way and roundtrip prices stay in separate series, and each monthly table shows its available fare count.
Does the cheapest month guarantee the same price later?
No. It identifies the lowest fare in the current dataset, not a future price guarantee. Confirm the final itinerary total, airports, baggage and availability before booking.
Quick Answers
Which month is cheapest one way?
November currently starts at ฿8,794, the lowest observed one-way fare among the available months.
Which month is cheapest roundtrip?
November currently starts at ฿18,716, the lowest observed complete-roundtrip fare.
What does this comparison include?
Each month shows the lowest and average observed itinerary total plus the number of available fares in that series.
Can one-way and roundtrip prices be compared?
No. They represent different products, so this page keeps their prices, averages and sample sizes separate.