Bangkok to Ulaanbaatar: buy now or wait?
Buy now FareScore 97/100
usually THB 9,871 THB 8,332 ≈ €222 Today's best fare
Cheaper than 97% of what we have seen
14 Dec S7 Airlines With a stop
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All fares Bangkok → Ulaanbaatar
Cheapest first. Every price is live and goes straight to booking.
14 Dec
05:10
S7 Airlines · 12h 10m
With a stop
€222
6 Nov
04:25
S7 Airlines · 52h 15m
With a stop ↓4%
€270 €260
14 Dec
08:15
MIAT Mongolian Airlines · 5h 40m
Direct
€261
23 Nov
08:55
China Eastern · 19h 05m
With a stop
€276
29 Jan
01:50
Spring Airlines · 26h 10m
With a stop
€282
2 Dec
09:20
China Southern Airlines · 18h 40m
With a stop
€288
12 Nov
01:50
Spring Airlines · 26h 10m
With a stop
€295
2 Dec
09:35
Thai AirAsia · 20h 40m
With a stop ↓14%
€354 €305
27 Jan
18:05
Hainan Airlines · 11h 05m
With a stop
€305
13 Nov
09:20
Hainan Airlines · 20h 30m
With a stop
€308
13 Dec
00:20
Thai Lion Air · 16h 55m
With a stop
€312
23 Nov
12:20
Thai AirAsia · 17h 55m
With a stop
€339
What the history says
Prices recorded 380
Typical price €263
Lowest we saw €222
You save today €41
Based on 380 prices we recorded on this exact route, compared against the same departure month.
Best booking window
56–83 days — is when this route has been cheapest to book: €266 typical, on 36 observations. That is about €37 less than booking in the last two weeks.
Cheapest months to fly to Ulaanbaatar
September €242 14 observations
December €276 65 observations
November €280 142 observations
Booking tips from our fare data
- How far in advance should you book a flight?
- Book 1–1.5 months before departure. Tracking the same flights at every lead time (94,914 flights on 19,442 routes, 2026-06-14 to 2026-11-04), that window had the smallest average premium over each flight's lowest fare: +16.8%, against +49.3% in the last 3 days.
- What is the cheapest day of the week to fly?
- Wednesday. Comparing each fare with the median of its own route, Wednesday departures were +3.4% and Tuesday +4.2%, while Friday was the dearest at +10.6%. Weekend departures cost more than midweek ones.
- What is the cheapest month to fly?
- November 2026. Comparing each route's fares month by month (booked 8–60 days ahead), November 2026 departures were -1.1% against the route's own median, while January 2027 was the dearest at +17.5%. Covers September 2026, October 2026, November 2026, December 2026, January 2027; fares observed 2026-06-14 to 2026-11-04.
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