Flights Ulaanbaatar (Sergelen) → Bangkok
As of November 2026, economy flights from Ulaanbaatar (Sergelen) to Bangkok have a typical range USD 883–1561, median USD 1205. Full range across all 507 offers: USD 694–4757. We analyzed 507 offers from 7 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Ulaanbaatar (Sergelen) → Bangkok
Based on 507 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ulaanbaatar (Sergelen) → Bangkok
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Asiana Airlines | Included | Included | — |
| Air China | Included | Included | — |
| Korean Air | Included | Included | — |
| MIAT Mongolian | Included | Included | — |
| Cathay Pacific | Included | Included | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Ulaanbaatar (Sergelen) to Bangkok cost?
Based on 507 offers · November 2026
Ulaanbaatar (Sergelen) to Bangkok flights ranged from USD 694 to USD 4757 across 507 offers analyzed in November 2026. The chart below shows how prices distributed across all 507 offers.
These 507 offers (November 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 1019 and USD 1354
What hidden fees do Ulaanbaatar (Sergelen) to Bangkok flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ulaanbaatar (Sergelen) to Bangkok routes. The breakdown below is based on 507 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| OZ | 15 | 1% |
| CA | 30 | 3% |
| KE | 15 | 1% |
| OM | 0 | 0% |
| CX | 50 | 3% |
Air China: base ~USD 1148 + fees USD 30 = ~USD 1178 total. Korean Air: base ~USD 1283 + fees USD 15 = ~USD 1298 total.
Air China's USD 30 ancillary fees narrow the gap with Korean Air's lower-fee model — the USD 135 base difference shrinks to USD 120 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Ulaanbaatar (Sergelen) to Bangkok?
7 airlines flew Ulaanbaatar (Sergelen) to Bangkok in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (Korean Air), fares ranged USD 988–1065 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Korean Air | 2 | 988–1065 | 1027 | n/a |
 Asiana Airlines | 139 | 777–1491 | 1041 | 15 (1%) |
 OM | 116 | 956–1836 | 1098 | 0 (0%) |
 Air China | 96 | 950–1470 | 1178 | 30 (3%) |
 Korean Air | 128 | 1108–1467 | 1298 | 15 (1%) |
 MIAT | 5 | 1274–2439 | 1346 | n/a |
 Cathay Pacific | 21 | 1395–2140 | 2051 | 50 (2%) |
Where do the best Ulaanbaatar (Sergelen) → Bangkok prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Ulaanbaatar (Sergelen) to Bangkok flights
- Ulaanbaatar (Sergelen)–Bangkok had 507 offers analyzed. Median price: USD 1205.
- CX charges 3.3x more in ancillary fees than KE — USD 50 vs USD 15 avg per booking.
- The same route priced USD 570 apart depending on where it was booked — the lowest median was USD 733. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Ulaanbaatar (Sergelen) to Bangkok cost?
- Based on 507 offers analyzed, Ulaanbaatar (Sergelen) to Bangkok flights range from USD 694 to USD 4757, with a median price of USD 1205. Search for your specific dates →
- What hidden fees should I expect on Ulaanbaatar (Sergelen) to Bangkok flights?
- On average, ancillary fees (bags, seat selection) add USD 20 to the base fare on Ulaanbaatar (Sergelen) to Bangkok flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ulaanbaatar (Sergelen) to Bangkok including all fees?
- Korean Air has the lowest median fare on Ulaanbaatar (Sergelen) to Bangkok at USD 1027 (median across 2 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ulaanbaatar (Sergelen)–Bangkok flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 733. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ulaanbaatar (Sergelen) to Bangkok routes?
- Ulaanbaatar (Sergelen) to Bangkok has 7 airlines competing, creating a price range from USD 694 to USD 4757 across 507 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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