LetsFG

Flights Biarritz → Zaventem

As of September 2026, economy flights from Biarritz to Zaventem have a typical range EUR 180–912, median EUR 277. Full range across all 54 offers: EUR 165–3707. We analyzed 54 offers from 4 airlines in a single price check.

54 offersavg EUR 80 in feesFresh · September 2026
Search Biarritz → Zaventem — see your price →

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: Biarritz → Zaventem

Based on 54 offers · September 2026. Prices and availability change — run a live search to confirm.

Transavia FranceEUR 165
7h 55m–14h 25mMin 2 stopsMorning (06–12)
Carry-on: EUR 108
Search Transavia France
Air FranceEUR 183
7h 15m–7h 30mMin 2 stopsAfternoon (12–18)
Search Air France
KLM-Royal Dutch AirlinesEUR 212
7h 15m–25h 50mMin 2 stopsAfternoon (12–18)
Bags included
Search KLM-Royal Dutch Airlines
Air FranceEUR 238
6h 45m–31h 40mMin 1 stopMorning (06–12)
Bags included
Search Air France

Bag & seat fees: Biarritz → Zaventem

Add-on pricing from the cheapest available offer per airline · September 2026 · EUR

AirlineCarry-onChecked bagSeat selection
Transavia FranceEUR 108——
KLM-Royal Dutch AirlinesIncludedEUR 30—
Air FranceIncludedEUR 35—

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 Biarritz to Zaventem cost?

Based on 54 offers · September 2026

Biarritz to Zaventem flights ranged from EUR 165 to EUR 3707 across 54 offers analyzed in September 2026. The chart below shows how prices distributed across all 54 offers.

P10: EUR 180P25: EUR 206P50: EUR 277P75: EUR 563P90: EUR 912

These 54 offers (September 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 206 and EUR 563

What hidden fees do Biarritz to Zaventem flights charge?

Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Biarritz to Zaventem routes. The breakdown below is based on 54 offers analyzed in September 2026.

Ancillary fee breakdown by carrier
CarrierAvg fee (EUR)% of base fare
TO13662%
KL376%
AF243%

TO: base ~EUR 68 + fees EUR 136 = ~EUR 204 total. Air France: base ~EUR 576 + fees EUR 24 = ~EUR 600 total.

TO's EUR 136 ancillary fees narrow the gap with Air France's lower-fee model — the EUR 508 base difference shrinks to EUR 396 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 itinerary

Which airline is cheapest from Biarritz to Zaventem?

4 airlines flew Biarritz to Zaventem 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 (TO), fares ranged EUR 174–277 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →

AirlineOffersTypical range (EUR)Median (EUR)Fees (EUR)
TO25174–277204136 (67%)
Air France2197–311254n/a
KLM10212–210129137 (13%)
Air France17305–149260024 (4%)

Where do the best Biarritz → Zaventem 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: Biarritz to Zaventem flights

Frequently asked questions

How much does a flight from Biarritz to Zaventem cost?
Based on 54 offers analyzed, Biarritz to Zaventem flights range from EUR 165 to EUR 3707, with a median price of EUR 277. Search for your specific dates →
What hidden fees should I expect on Biarritz to Zaventem flights?
On average, ancillary fees (bags, seat selection) add EUR 80 to the base fare on Biarritz to Zaventem flights. See itemized fees for your itinerary →
Which airline is cheapest on Biarritz to Zaventem including all fees?
TO has the lowest median fare on Biarritz to Zaventem at EUR 204 (median across 25 offers in our snapshot). Check which airline wins on your dates →
Which booking site has the cheapest Biarritz–Zaventem 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 235. Run a live search and we'll find the cheapest for you →
Why do prices vary so much on Biarritz to Zaventem routes?
Biarritz to Zaventem has 4 airlines competing, creating a price range from EUR 165 to EUR 3707 across 54 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →

4 airlines compete on this route — we check every one

Find flights for my dates

New 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

Flights Biarritz → Zaventem: Price Data & Hidden Fees | LetsFG