Flights Hong Kong → Ulaanbaatar (Sergelen)
As of November 2026, economy flights from Hong Kong to Ulaanbaatar (Sergelen) have a typical range USD 444–1087, median USD 579. Full range across all 86 offers: USD 298–1646. We found 40% of 86 offers from budget carriers (around USD 568) and 60% from full-service carriers (around USD 582).
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: Hong Kong → Ulaanbaatar (Sergelen)
Based on 86 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Hong Kong → Ulaanbaatar (Sergelen)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| HK Express | USD 100 | USD 200 | — |
| Jeju Air | Included | Included | — |
| Hong Kong Airlines | Included | Included | — |
| EVA Air | — | Included | — |
| Air China | Included | Included | — |
| Cathay Pacific | Included | Included | — |
| Eastar Jet | Included | — | — |
| Asiana Airlines | Included | Included | — |
| Korean Air | Included | Included | — |
| Sichuan Airlines | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| China Southern | Included | Included | — |
| Hainan Airlines | 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 Hong Kong to Ulaanbaatar (Sergelen) cost?
Based on 86 offers · November 2026
Hong Kong to Ulaanbaatar (Sergelen) flights ranged from USD 298 to USD 1646 across 86 offers analyzed in November 2026. Two fare clusters detected: budget fares around 904 and premium fares around 1443 The chart below shows how prices distributed across all 86 offers.
These 86 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 499 and USD 785
What hidden fees do Hong Kong to Ulaanbaatar (Sergelen) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Hong Kong to Ulaanbaatar (Sergelen) routes. The breakdown below is based on 86 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| UO | 113 | 23% |
| 7C | 15000 | 3094% |
| HX | 30 | 5% |
| BR | 15 | 3% |
| CA | 30 | 5% |
| CX | 50 | 6% |
| ZE | 0 | 0% |
| OZ | 15 | 3% |
| KE | 15 | 2% |
| 3U | 0 | 0% |
| TK | 10 | 1% |
| CZ | 30 | 2% |
| HU | 30 | 2% |
Jeju Air: base ~USD -14509 + fees USD 15000 = ~USD 491 total. Turkish Airlines: base ~USD 1240 + fees USD 10 = ~USD 1250 total.
Jeju Air's USD 15000 ancillary fees narrow the gap with Turkish Airlines's lower-fee model — the USD 15749 base difference shrinks to USD 759 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 Hong Kong to Ulaanbaatar (Sergelen)?
15 airlines flew Hong Kong to Ulaanbaatar (Sergelen) in this dataset. The route shows a clear split between low-cost and full-service carriers. 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.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 OM | 1 | — | 298 | n/a |
 EVA Air | 4 | — | 444 | 15 (3%) |
 Jeju Air | 3 | 419–548 | 491 | 15000 (3053%) |
 HK Express | 19 | 407–598 | 500 | 113 (23%) |
 Asiana Airlines | 4 | 516–529 | 529 | 15 (3%) |
 ZE | 3 | 513–637 | 568 | 0 (0%) |
 Air China | 20 | 496–796 | 582 | 30 (5%) |
 HX | 3 | 495–721 | 701 | 30 (4%) |
 Cathay Pacific | 15 | 504–1013 | 769 | 50 (7%) |
 Korean Air | 5 | 692–846 | 788 | 15 (2%) |
 3U | 3 | 1078–1359 | 1101 | 0 (0%) |
 China Southern | 1 | — | 1210 | 30 (2%) |
 Turkish Airlines | 2 | 1132–1368 | 1250 | 10 (1%) |
 FM | 2 | — | 1458 | n/a |
 Hainan Airlines | 1 | — | 1646 | 30 (2%) |
Where do the best Hong Kong → Ulaanbaatar (Sergelen) 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: Hong Kong to Ulaanbaatar (Sergelen) flights
- Hong Kong–Ulaanbaatar (Sergelen) had 86 offers analyzed. Median price: USD 579.
- 7C charges 1500.0x more in ancillary fees than TK — USD 15000 vs USD 10 avg per booking.
- The same route priced USD 334 apart depending on where it was booked — the lowest median was USD 298. 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 Hong Kong to Ulaanbaatar (Sergelen) cost?
- Based on 86 offers analyzed, Hong Kong to Ulaanbaatar (Sergelen) flights range from USD 298 to USD 1646, with a median price of USD 579. Search for your specific dates →
- What hidden fees should I expect on Hong Kong to Ulaanbaatar (Sergelen) flights?
- On average, ancillary fees (bags, seat selection) add USD 589 to the base fare on Hong Kong to Ulaanbaatar (Sergelen) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Hong Kong to Ulaanbaatar (Sergelen) including all fees?
- OM has the lowest median fare on Hong Kong to Ulaanbaatar (Sergelen) at USD 298 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Hong Kong–Ulaanbaatar (Sergelen) 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 298. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Hong Kong to Ulaanbaatar (Sergelen) routes?
- Hong Kong to Ulaanbaatar (Sergelen) has 15 airlines competing, creating a price range from USD 298 to USD 1646 across 86 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
15 airlines, two price clusters — find which fits your budget
Find flights for my datesNew route — be among the first to track this itinerary
Building with flight data? Power your app or agent with LetsFG
The same multi-source search behind this page — every airline and the major booking sites, deduplicated and ranked — is available to your app or AI agent. Natural-language or structured queries, live prices, zero price bias.
Try the free sandbox — no card →Free sandbox, instant fake results · email for a key · Bearer-token auth · MCP, Python & JS SDKs · letsfg.co/developers