Cheap flights from Seattle (SEA) to Bilbao (BIO)

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How to find the cheapest flight from
Seattle (SEA) to Bilbao (BIO)

All the information you need to plan the best SEA to BIO flight in 2022: compare Seattle to Bilbao flight prices with the expected peak season, weather and rainfall in Bilbao.
SEA - BIO
Price
$548 - $1,656
BIO
Temperature
48.2 - 68 °F
BIO
Rainfall
2.4 - 5.6 inches

Popular in

July

High demand for flights, 36% potential price rise

Cheapest in

February

Best time to find cheap flights, 49% potential price drop

Average price

$921

Average for round-trip flights in May 2022

Round-trip from

$548

From Seattle/Tacoma Intl to Bilbao

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Seattle to Bilbao?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Bilbao. Flights to Bilbao from Seattle in February are about $1,065 on average during February, but can be found for as low as $482.

When is the cheapest time to fly from Seattle to Bilbao (SEA - BIO)?

It’s optimal to fly from Seattle to Bilbao in the morning. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly round-trip from Seattle to Bilbao?

Travelers have found that booking a Monday departure is the best way to save up to 48% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Cheap flights from Seattle to Bilbao in May, June 2022

The best prices found for SEA to BIO flights for May, June
27 May - 3 Jun
$990pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
20 Jun - 7 Jul
$1,077pp
SEA
Seattle/Tacoma Intl
Finnair
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
Finnair
   
2 STOPS
SEA
Seattle/Tacoma Intl
27 May - 3 Jun
$1,128pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Bilbao 2022 flight deals

Cheap flights to Bilbao from Seattle found for this year
17 Nov - 27 Nov
$945pp
SEA
Seattle/Tacoma Intl
British Airways
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
British Airways
   
2 STOPS
SEA
Seattle/Tacoma Intl
21 Oct - 24 Oct
$952pp
SEA
Seattle/Tacoma Intl
TAP AIR PORTUGAL
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
TAP AIR PORTUGAL
   
2 STOPS
SEA
Seattle/Tacoma Intl
2 Sep - 26 Sep
$960pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Bilbao

Late deals on round-trip flights to Bilbao from Seattle, departing today and this week
27 May - 3 Jun
$990pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
27 May - 3 Jun
$1,128pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
27 May - 3 Jun
$1,185pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BIO
Bilbao
BIO
Bilbao
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Bilbao from Seattle

The cheapest one-way flights from Seattle to Bilbao
6:45 pm - 6:30 am
TAP AIR PORTUGAL
2 Stops
26h 45m
SEA - BIO
TAP AIR PORTUGAL
$559
oojo
1:45 pm - 1:15 pm
Turkish Airlines
1 Stop
38h 30m
SEA - BIO
Turkish Airlines
$778
oojo
8:04 pm - 12:15 pm
Aer Lingus
2 Stops
31h 11m
SEA - BIO
Aer Lingus
$797
JustFly

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Bilbao</span> flights.

Flight FAQs

From Seattle to Bilbao

Which airlines flying from Seattle/Tacoma Intl to Bilbao have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Bilbao have new flexible policies in place due to COVID-19. Lufthansa, Delta, and KLM are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Lufthansa with this kind of flexibility.

Can I find flights from Seattle to Bilbao for under $1,000 on Cheapflights?

Yes, there are multiple flights from Seattle to Bilbao for under $1,000. The cheapest flight booked recently is on Multiple Airlines for just $960, but on average you can expect to pay $1,142.

Are there last-minute flights available from Seattle to Bilbao for under $1,000?

There are currently 4+ open flights from Seattle to Bilbao within the next 7 days for less than $1,000.

What are the cheapest airlines flying from Seattle to Bilbao round-trip?

Cheapflights users have booked flights from Seattle to Bilbao round-trip from $1,007. Other airlines that can offer you cheap pricing are British Airways, from $1,044, and Finnair, from $1,077. Turkish Airlines is 5% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Bilbao one-way?

The cheapest airlines for a one-way flight from Seattle to Bilbao are TAP AIR PORTUGAL ($559), Turkish Airlines ($778), and Aer Lingus ($797).

What are the cheapest flights from Seattle to Bilbao?

Looking for the cheapest flight from Seattle to Bilbao? While on average our users pay $2,711, our data indicates the cheapest price to be $856. The most popular route (Seattle/Tacoma Intl - Bilbao), is priced around $952.

What are the most popular airlines that fly from Seattle to Bilbao?

The most popular airlines flying from Seattle to Bilbao are Air France, Delta and KLM. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Bilbao, Spain

Do I need a COVID test to fly to Bilbao from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Bilbao

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter Bilbao.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours for RT-PCR (NAAT) and 24 hours for Antigen (quick-test) before departing to Bilbao.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Bilbao.

Do I need a test to fly back to Seattle from Bilbao?

Returning to Seattle/Tacoma Intl from Bilbao

COVID-19 testing requirements
Visitors from Bilbao must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Bilbao are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Bilbao, Spain

Destination information for Bilbao

Things to know before you go - useful duration and weather info for your trip from Seattle to Bilbao.
Today's exchange rate
$1 = €0.96
Average temperature for May in Bilbao
71.6 °F
Avg rainfall for May in Bilbao
2.6 ″

Airports servicing Seattle

Airports servicing Bilbao

Top 3 airlines flying from Seattle/Tacoma Intl to Bilbao

The chart below displays the airlines Cheapflights users traveling from Seattle to Bilbao choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Lufthansa
$488 $1,007 No cancel fee 76%
KLM
$520 $851 No cancel fee 75%
Delta
$669 $974 No cancel fee N/A
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