The cheapest times to fly from BIQ to SEA are

  • January 8th to June 3rd (except the week of April 9th)
  • November 5th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from BIQ to SEA is mid May. Prices can be as high as $1907 for Friday flights during late July, or as low as $888 for Sunday flights around mid May.


When to Fly to Seattle

Flying from Biarritz (BIQ) to Seattle, WA (SEA) will usually cost between $930 to $1717 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $914. Due to high demand the most expensive time to fly is late July, with an average price of $1736. Planning your trip to low-cost times can easily save you $822 on economy flights and even more on first-class flights. Generally, any price below $1061 can be considered a good price for a round-trip BIQ to SEA flight.

See below for a graph of average weekly prices for the BIQ to SEA route. All prices are for round-trip tickets in USD.

BIQ to SEA Flight Prices

Compared to other flights, the BIQ to SEA flight is priced close to the average and costs slightly more than the average flight leaving from Biarritz. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to fly to SEA, and Tuesday the cheapest day to fly back into BIQ. Fridays are the most expensive days to fly to Seattle, and Saturdays are the most expensive days to return to Biarritz. Selecting flights on the least expensive days could save you up to $132 (8%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $1119. Return trip prices are from the SEA to BIQ flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from BIQ to SEA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 20 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from BIQ to SEA while comparing.

Destination alternative #1: Portland International Airport (PDX) in Portland, OR

  • 129 miles (208 km) away from SEA
  • Usually 6.50% less expensive than SEA
  • 2-layover flights available

See BIQ to PDX flights


Flight Hacking BIQ to SEA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from BIQ to SEA — but Champion Traveler does!

Hack #1: Copenhagen (BIQ > CPH > SEA)

  • Price for both tickets: $703
  • Average savings: $359 (33.79%)

See BIQ to LGW flights

Hack #2: London (BIQ > LGW > SEA)

  • Price for both tickets: $726
  • Average savings: $335 (31.57%)

See BIQ to CPH flights

Hack #3: Dublin (BIQ > DUB > SEA)

  • Price for both tickets: $731
  • Average savings: $331 (31.15%)

See BIQ to DUB flights


Flight Questions Answered

Still have questions about flying from BIQ to SEA? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air France, Alaska, American, atlasglobal, British Airways, Delta, Icelandair, Kenya Airways, KLM, Lufthansa, SAS, SWISS, WestJet, and potentially more during busy seasons.

How far away is it from Seattle/Tacoma International Airport to Biarritz Pays Basque Airport?

The distance between the two airports is roughly 5194 miles or 8359 kilometers.

How long does it take to fly from BIQ to SEA?

The real-world flight time for a nonstop BIQ to SEA flight is about 10 hour 20 minutes.

How many flights go between Biarritz and Seattle, WA?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from BIQ to SEA.


Airport Location Info


Departing Airport

Origination code BIQ
Origination airport name Biarritz Pays Basque Airport
City Biarritz
Country France
Latitude 43.5
Longitude -1.5

Return Airport

Destination code SEA
Destination airport name Seattle/Tacoma International Airport
City Seattle, WA
Country the United States
Latitude 47.5
Longitude -122.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.