Cheap flights from Seattle (SEA) to Barcelona (BCN)

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How to find the cheapest flight from
Seattle (SEA) to Barcelona (BCN)

All the information you need to plan the best SEA to BCN flight in 2021: compare Seattle to Barcelona flight prices with the expected peak season, weather and rainfall in Barcelona.
SEA - S37
Price
$635 - $1,208
S37
Temperature
48.2 - 75.2 °F
S37
Precipitation
0.8 - 3.6 inches

Popular in

December

High demand for flights, 35% potential price rise

Cheapest in

April

Best time to find cheap flights, 19% potential price drop

Round-trip from

$635

From Seattle/Tacoma Intl to Barcelona

One-way from

$508

One-way flight from Seattle/Tacoma Intl to Barcelona

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Barcelona?

To save up to 37% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Barcelona from $944 1-2 weeks out and tickets from $1,165 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Barcelona?

Flights from Seattle to Barcelona lean towards being more expensive in December. Prices are generally better when you fly from Seattle to Barcelona in April, with the cheapest ticket starting at $569.

When is the cheapest time to fly from Seattle to Barcelona (SEA - S37)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Barcelona as you normally would.

Cheap flights from Seattle to Barcelona in October, November 2021

The best prices found for SEA to BCN flights for October, November
26 Nov - 9 Dec
$539pp
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
24 Nov - 9 Dec
$543pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
11 Nov - 9 Dec
$545pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Barcelona 2021 flight deals

Cheap flights to Barcelona from Seattle found for this year
26 Nov - 9 Dec
$539pp
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
24 Nov - 9 Dec
$543pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
1 Dec - 13 Dec
$545pp
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
United Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Barcelona

Late deals on round-trip flights to Barcelona from Seattle, departing today and this week
3 Nov - 8 Nov
$554pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Nov - 8 Dec
$569pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Nov - 8 Dec
$579pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BCN
Barcelona-El Prat
BCN
Barcelona-El Prat
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Barcelona from Seattle

The cheapest one-way flights from Seattle to Barcelona
8:45 am - 9:10 am
Air France
1 Stop
15h 25m
SEA - BCN
Air France
1:35 pm - 4:10 pm
Finnair
1 Stop
17h 35m
SEA - BCN
Finnair
$512
SmartFares
8:20 am - 11:35 am
KLM
1 Stop
18h 15m
SEA - BCN
KLM
$514
KLM

Related info for your journey

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

Flight FAQs

From Seattle to Barcelona

What airport do you fly from for flights from Seattle to Barcelona?

For a flight from Seattle to Barcelona, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Barcelona per day. 16 airlines have flights to Barcelona from Seattle/Tacoma Intl on a regular basis.

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

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

Can I find flights from Seattle to Barcelona for under $600 on Cheapflights?

Yes, there are multiple flights from Seattle to Barcelona for under $600. The cheapest flight booked recently is on Virgin Atlantic for just $502, but on average you can expect to pay $535.

Are there last-minute flights available from Seattle to Barcelona for under $600?

There are currently 20+ open flights from Seattle to Barcelona within the next 7 days for less than $600.

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

Our cheapest airline available from Seattle to Barcelona is Virgin Atlantic. Our recent data shows that you can find tickets from as low as $502 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $526 and $530 round-trip. Users have found that Virgin Atlantic is 36% cheaper than the other options available to this destination.

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

The cheapest airline one-way is Iberia, with whom users have recently found tickets for as low as $450. However, be on the lookout for offers from Air France and Finnair, as they are both options that can get you from Seattle to Barcelona for a low price.

What are the cheapest flights from Seattle to Barcelona?

On average you can expect to pay $1,468 for a flight from Seattle to Barcelona. The cheapest flight overall is $274 while the most popular route, (Seattle/Tacoma Intl - Barcelona-El Prat) is currently priced at $521.

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

The most popular airlines flying from Seattle to Barcelona are Major Airline, American Airlines and Air Canada. Something to consider prior to booking your flight.

COVID Restrictions

View COVID Travel Restrictions for Barcelona, Spain

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

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

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

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 for rt-pcr (naat) and 48 for antigen (quick-test) hours before departing to Barcelona.

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

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

Returning to Seattle/Tacoma Intl from Barcelona

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

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

Hide COVID Travel Restrictions for Barcelona, Spain

Destination information for Barcelona

Things to know before you go - useful duration and weather info for your trip from Seattle to Barcelona.
Today's exchange rate
$1 = €0.86
Average temperature for October in Barcelona
71.6 °F
Avg rainfall for October in Barcelona
3.3 ″

Airports servicing Seattle

Airports servicing Barcelona

Costa Brava (GRO)
Reus (REU)

Top 10 airlines flying from Seattle/Tacoma Intl to Barcelona

The chart below displays the airlines Cheapflights users traveling from Seattle to Barcelona 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
Alaska Airlines
$264 $365 No cancel fee 75%
American Airlines
$278 $918 No cancel fee 71%
Finnair
$348 $533 No cancel fee 76%
Iberia
$452 $852 No cancel fee 77%
Air Canada
$468 $849 No cancel fee 67%
SWISS
$477 $529 No cancel fee 79%
United Airlines
$489 $1,082 No cancel fee 69%
Aer Lingus
$498 $945 No cancel fee N/A
British Airways
$501 $884 No cancel fee 70%
Lufthansa
$507 $967 No cancel fee 76%
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