Cheap flights from Seattle to Barcelona-El Prat

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How to find the cheapest flight from Seattle to Barcelona-El Prat

All the information you need to plan the best SEA to BCN flight in 2021: compare Seattle to Barcelona-El Prat flight prices with the expected peak season, weather and rainfall in Barcelona-El Prat.

SEA - BCN

Price

C$ 635 - C$ 1,208

BCN

Temperature

9 - 24 °C

BCN

Precipitation

20 - 91 mm

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

C$ 786

From Seattle/Tacoma Intl to Barcelona-El Prat

One-way from

C$ 641

One-way flight from Seattle/Tacoma Intl to Barcelona-El Prat

How far in advance should I book a flight from Seattle to Barcelona-El Prat Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 46 days in advance, which can save you up to 37% on flights from Seattle to Barcelona-El Prat Airport compared to booking the week you need them. Waiting 46 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 1,168. For sooner than that we have options available in the next 3 days from C$ 1,442.

What is the cheapest month to fly from Seattle to Barcelona-El Prat Airport?

Our data shows that April tends to be the cheapest month to fly to Barcelona-El Prat Airport from Seattle. Users have commonly found prices around C$ 971 for the month, but tickets can be as low as C$ 704. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Seattle to Barcelona-El Prat Airport (SEA - BCN)?

When flying from Seattle to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Seattle to Barcelona-El Prat in October, November 2021

The best prices found for SEA to BCN flights for October, November
27 Nov. - 6 Dec.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

17h 50m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

31h 32m
C$ 682

Delta

View Deal

Deal found 26/10/21

14 Nov. - 24 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

17h 50m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

15h 00m
C$ 687

KLM

View Deal

Deal found 25/10/21

17 Nov. - 23 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

22h 20m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

21h 10m
C$ 692

Multiple Airlines

View Deal

Deal found 25/10/21

Seattle to Barcelona-El Prat 2021 flight deals

Cheap flights to Barcelona-El Prat from Seattle found for this year
4 Dec. - 11 Dec.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

17h 50m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

19h 28m
C$ 675

Delta

View Deal

Deal found 26/10/21

3 Dec. - 11 Dec.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

27h 00m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

19h 28m
C$ 682

Delta

View Deal

Deal found 26/10/21

14 Nov. - 24 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

17h 50m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

15h 00m
C$ 687

KLM

View Deal

Deal found 25/10/21

Last minute flights from Seattle to Barcelona-El Prat

Late deals on round-trip flights to Barcelona-El Prat from Seattle, departing today and this week
7 Nov. - 14 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

24h 35m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

15h 00m
C$ 933

Delta

View Deal

Deal found 25/10/21

6 Nov. - 27 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

1 stop

20h 10m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

1 stop

18h 55m
C$ 941

Multiple Airlines

View Deal

Deal found 26/10/21

7 Nov. - 15 Nov.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

34h 30m
BCN

Barcelona-El Prat

SEA

Seattle/Tacoma Intl

2 stops

23h 19m
C$ 1,260

Multiple Airlines

View Deal

Deal found 25/10/21

One-way flights to Barcelona-El Prat from Seattle

The cheapest one-way flights from Seattle to Barcelona-El Prat
6 Apr.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

20h 30m
C$ 512

Multiple Airlines

View Deal

Deal found 26/10/21

5 Apr.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

21h 36m
C$ 611

Multiple Airlines

View Deal

Deal found 26/10/21

11 Dec.
SEA

Seattle/Tacoma Intl

BCN

Barcelona-El Prat

2 stops

26h 00m
C$ 624

Delta

View Deal

Deal found 26/10/21

Related info for your journey

Useful info, stats and facts about Seattle to Barcelona-El Prat flights.

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

Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Barcelona-El Prat from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Barcelona-El Prat should be relatively easy as there are 0 daily outbound flights to Barcelona-El Prat from 7 different airlines.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like British Airways, American Airlines, and Delta flying from Seattle/Tacoma Intl to Barcelona-El Prat have implemented new flexible cancellation policies.

Can I find flights from Seattle to Barcelona-El Prat Airport for under C$ 700 on Cheapflights?

Yes, there are multiple flights from Seattle to Barcelona-El Prat Airport for under C$ 700. The cheapest flight booked recently is on Delta for just C$ 675, but on average you can expect to pay C$ 692.

Are there last-minute flights available from Seattle to Barcelona-El Prat Airport for under C$ 1,000?

There are currently 10+ open flights from Seattle to Barcelona-El Prat Airport within the next 7 days for less than C$ 1,000.

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

Our cheapest airline available from Seattle to Barcelona-El Prat Airport is Delta. Our recent data shows that you can find tickets from as low as C$ 675 on this airline. Additional options worth looking into are United Airlines and Lufthansa, starting at C$ 680 and C$ 686 round-trip. You may be able to fly from Seattle to Barcelona-El Prat Airport for 30% less than the average price by searching for these airlines.

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

The cheapest airlines for a one-way flight from Seattle to Barcelona-El Prat Airport are Delta (C$ 624), British Airways (C$ 633), and KLM (C$ 641).

What are the most popular airlines that fly from Seattle to Barcelona-El Prat Airport?

Before booking your flight from Seattle to Barcelona-El Prat Airport check out the most popular airlines for this route: American Airlines, British Airways or Delta.

Can I fly to Barcelona-El Prat from Seattle/Tacoma Intl right now?

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

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

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-El Prat.

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

Can I fly back to Seattle/Tacoma Intl from Barcelona-El Prat?

Returning to Seattle/Tacoma Intl from Barcelona-El Prat

COVID-19 testing requirements
Visitors from Barcelona-El Prat 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-El Prat are not required to quarantine after entering Seattle/Tacoma Intl.

Top 4 airlines flying from Seattle to Barcelona-El Prat

The chart below displays the airlines Cheapflights users travelling from Seattle to Barcelona-El Prat choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American Airlines
CheapestC$ 472
AverageC$ 881
FlexibilityNo cancel fee
On-time71%
COVID-19 safety
British Airways
CheapestC$ 619
AverageC$ 878
FlexibilityNo cancel fee
On-time70%
COVID-19 safety
Lufthansa
CheapestC$ 654
AverageC$ 807
FlexibilityNo cancel fee
On-time76%
COVID-19 safety
Delta
CheapestC$ 682
AverageC$ 935
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety