Flights Zaventem → Ulaanbaatar (Sergelen)
As of October 2026, economy flights from Zaventem to Ulaanbaatar (Sergelen) have a typical range EUR 3211–4964, median EUR 4325. Full range across all 154 offers: EUR 2509–8242. We analyzed 154 offers from 8 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: Zaventem → Ulaanbaatar (Sergelen)
Based on 154 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Zaventem → Ulaanbaatar (Sergelen)
Add-on pricing from the cheapest available offer per airline · October 2026 · EUR
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Turkish Airlines | Included | Included | — |
| MIAT Mongolian | Included | Included | — |
| Hainan Airlines | Included | Included | — |
| Brussels Airlines | Included | Included | — |
| Austrian Airlines | Included | Included | — |
| Lufthansa | Included | EUR 31 | — |
| Etihad Airways | Included | Included | — |
| Air China | 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 Zaventem to Ulaanbaatar (Sergelen) cost?
Based on 154 offers · October 2026
Zaventem to Ulaanbaatar (Sergelen) flights ranged from EUR 2509 to EUR 8242 across 154 offers analyzed in October 2026. The chart below shows how prices distributed across all 154 offers.
These 154 offers (October 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 EUR 3716 and EUR 4654
What hidden fees do Zaventem to Ulaanbaatar (Sergelen) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Zaventem to Ulaanbaatar (Sergelen) routes. The breakdown below is based on 154 offers analyzed in October 2026.
| Carrier | Avg fee (EUR) | % of base fare |
|---|---|---|
| TK | 10 | 0% |
| OM | 0 | 0% |
| HU | 27 | 1% |
| SN | 9 | 0% |
| OS | 9 | 0% |
| LH | 34 | 1% |
| EY | 14 | 0% |
| CA | 30 | 1% |
Lufthansa: base ~EUR 4575 + fees EUR 34 = ~EUR 4609 total. Etihad Airways: base ~EUR 4834 + fees EUR 14 = ~EUR 4848 total.
Lufthansa's EUR 34 ancillary fees narrow the gap with Etihad Airways's lower-fee model — the EUR 259 base difference shrinks to EUR 239 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 Zaventem to Ulaanbaatar (Sergelen)?
8 airlines flew Zaventem to Ulaanbaatar (Sergelen) 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 (OM), fares ranged EUR 2856–4343 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 (EUR) | Median (EUR) | Fees (EUR) |
|---|---|---|---|---|
 OM | 24 | 2856–4343 | 3245 | 0 (0%) |
 Turkish Airlines | 50 | 2960–5153 | 3948 | 10 (0%) |
 Austrian | 6 | 4097–5711 | 4395 | 9 (0%) |
 Brussels Airlines | 16 | 4002–4748 | 4397 | 9 (0%) |
 Hainan Airlines | 32 | 3692–4876 | 4513 | 27 (1%) |
 Air China | 1 | — | 4562 | 30 (1%) |
 Lufthansa | 19 | 4220–5143 | 4609 | 34 (1%) |
 Etihad Airways | 6 | 4654–5130 | 4848 | 14 (0%) |
Where do the best Zaventem → 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: Zaventem to Ulaanbaatar (Sergelen) flights
- Zaventem–Ulaanbaatar (Sergelen) had 154 offers analyzed. Median price: EUR 4325.
- LH charges 3.7x more in ancillary fees than SN — EUR 34 vs EUR 9 avg per booking.
- The same route priced EUR 716 apart depending on where it was booked — the lowest median was EUR 3893. 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 Zaventem to Ulaanbaatar (Sergelen) cost?
- Based on 154 offers analyzed, Zaventem to Ulaanbaatar (Sergelen) flights range from EUR 2509 to EUR 8242, with a median price of EUR 4325. Search for your specific dates →
- What hidden fees should I expect on Zaventem to Ulaanbaatar (Sergelen) flights?
- On average, ancillary fees (bags, seat selection) add EUR 16 to the base fare on Zaventem to Ulaanbaatar (Sergelen) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Zaventem to Ulaanbaatar (Sergelen) including all fees?
- OM has the lowest median fare on Zaventem to Ulaanbaatar (Sergelen) at EUR 3245 (median across 24 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Zaventem–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 EUR 3893. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Zaventem to Ulaanbaatar (Sergelen) routes?
- Zaventem to Ulaanbaatar (Sergelen) has 8 airlines competing, creating a price range from EUR 2509 to EUR 8242 across 154 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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