Flights Ulaanbaatar (Sergelen) → Phnom Penh (Boeng Khyang)
As of November 2026, economy flights from Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) have a typical range USD 811–2644, median USD 1661. Full range across all 62 offers: USD 619–3233. We found 29% of 62 offers from budget carriers (around USD 1217) and 71% from full-service carriers (around USD 1661).
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) → Phnom Penh (Boeng Khyang)
Based on 62 offers · November 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Ulaanbaatar (Sergelen) → Phnom Penh (Boeng Khyang)
Add-on pricing from the cheapest available offer per airline · November 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Spring Airlines | Included | USD 80 | — |
| Air China | Included | Included | — |
| Korean Air | 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 Phnom Penh (Boeng Khyang) cost?
Based on 62 offers · November 2026
Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) flights ranged from USD 619 to USD 3233 across 62 offers analyzed in November 2026. Two fare clusters detected: budget fares around 1795 and premium fares around 2841 The chart below shows how prices distributed across all 62 offers.
These 62 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 1132 and USD 1908
What hidden fees do Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) routes. The breakdown below is based on 62 offers analyzed in November 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| 9C | 105 | 13% |
| CA | 30 | 2% |
| KE | 15 | 1% |
| CX | 50 | 2% |
9C: base ~USD 720 + fees USD 105 = ~USD 825 total. Korean Air: base ~USD 1806 + fees USD 15 = ~USD 1821 total.
9C's USD 105 ancillary fees narrow the gap with Korean Air's lower-fee model — the USD 1086 base difference shrinks to USD 996 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 Phnom Penh (Boeng Khyang)?
6 airlines flew Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) 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.
Even on the cheapest airline (9C), fares ranged USD 678–875 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) |
|---|---|---|---|---|
 9C | 7 | 678–875 | 825 | 105 (13%) |
 Air China | 11 | 794–1909 | 1217 | 30 (2%) |
 OM | 30 | 1012–1907 | 1661 | n/a |
 Korean Air | 3 | — | 1821 | 15 (1%) |
 Cathay Pacific | 8 | 2277–2995 | 2618 | 50 (2%) |
 MIAT | 3 | 2417–3178 | 2958 | n/a |
Where do the best Ulaanbaatar (Sergelen) → Phnom Penh (Boeng Khyang) 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 Phnom Penh (Boeng Khyang) flights
- Ulaanbaatar (Sergelen)–Phnom Penh (Boeng Khyang) had 62 offers analyzed. Median price: USD 1661.
- 9C charges 7.0x more in ancillary fees than KE — USD 105 vs USD 15 avg per booking.
- The same route priced USD 1530 apart depending on where it was booked — the lowest median was USD 1428. 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 Phnom Penh (Boeng Khyang) cost?
- Based on 62 offers analyzed, Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) flights range from USD 619 to USD 3233, with a median price of USD 1661. Search for your specific dates →
- What hidden fees should I expect on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) flights?
- On average, ancillary fees (bags, seat selection) add USD 52 to the base fare on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) including all fees?
- 9C has the lowest median fare on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) at USD 825 (median across 7 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Ulaanbaatar (Sergelen)–Phnom Penh (Boeng Khyang) 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 1428. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) routes?
- Ulaanbaatar (Sergelen) to Phnom Penh (Boeng Khyang) has 6 airlines competing, creating a price range from USD 619 to USD 3233 across 62 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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