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Cheap flights from Seattle to Barcelona-El Prat Airport from C$ 472

SEA — BCN
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Barcelona-El Prat

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Barcelona-El Prat

Fri 6/118:05 p.m. -
1 stop18h 45m
Thu 19/1112:30 p.m. -
1 stop37h 40m
Deal found 25/10C$ 1,118
Mon 16/117:05 p.m. -
1 stop30h 45m
Thu 26/116:30 a.m. -
1 stop19h 40m
Deal found 21/10C$ 1,119
Mon 2/118:05 p.m. -
1 stop29h 50m
Wed 18/1112:25 p.m. -
1 stop37h 45m
Deal found 21/10C$ 1,140
Wed 2/127:05 p.m. -
1 stop19h 45m
Wed 9/126:20 p.m. -
1 stop31h 50m
Deal found 22/10C$ 1,182
Mon 2/118:05 p.m. -
1 stop29h 50m
Sat 14/112:35 p.m. -
1 stop35h 35m
Deal found 24/10C$ 1,198
Thu 3/127:05 p.m. -
1 stop20h 05m
Tue 8/1212:20 p.m. -
1 stop37h 50m
Deal found 21/10C$ 1,203
Mon 9/117:05 p.m. -
1 stop19h 45m
Mon 16/116:30 a.m. -
1 stop19h 40m
Deal found 25/10C$ 1,224
Mon 23/117:05 p.m. -
1 stop19h 45m
Wed 2/126:20 p.m. -
1 stop31h 50m
Deal found 23/10C$ 1,233
Sat 5/122:35 p.m. -
1 stop14h 05m
Thu 10/122:45 p.m. -
1 stop35h 15m
Deal found 22/10C$ 1,237
Mon 9/117:05 p.m. -
1 stop19h 45m
Tue 17/112:35 p.m. -
1 stop35h 35m
Deal found 25/10C$ 1,245
Sun 8/112:35 p.m. -
2 stops18h 45m
Tue 17/116:45 p.m. -
1 stop27h 02m
Deal found 25/10C$ 1,258

Find flight deals from Seattle to Barcelona-El Prat

Round-trip from

C$ 1,118

One-way from

C$ 472

Popular in

December

Cheapest in

February

Average price

C$ 1,031
Turkish Airlines
  • Turkish Airlines
  • 6/11-19/11
  • 2 total stops
  • 56h 25m total
  • Seattle to Barcelona
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9/12-31/12
  • 9/12-31/12
  • 3 total stops
  • 45h 25m total
  • Seattle to Barcelona
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 52 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 72 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Barcelona-El Prat Airport that are best for you.

Fly from

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Route

Depart

Return

Price

Cheapest round-trip

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Wed 9/12

2:35 p.m.-8:35 p.m.

2 stops45h 00m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 476

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Fri 1/1

7:05 p.m.-11:50 p.m.

1 stop19h 45m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 943

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Wed 9/12

7:05 p.m.-11:50 p.m.

1 stop19h 45m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 979
Quickest round-trip

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Sat 24/4

3:00 p.m.-10:40 a.m.

Nonstop10h 40m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 990

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Wed 23/12

11:06 p.m.-8:40 a.m.

1 stop24h 34m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,003

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Thu 14/1

8:30 a.m.-9:35 a.m.

3 stops40h 05m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,008

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Mon 9/11

7:05 p.m.-11:50 p.m.

1 stop19h 45m

Barcelona-El Prat

Mon 16/11

6:30 a.m.-5:10 p.m.

1 stop19h 40m

C$ 1,119

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Fri 6/11

8:05 p.m.-11:50 p.m.

1 stop18h 45m

Barcelona-El Prat

Sun 15/11

6:30 a.m.-5:10 p.m.

1 stop19h 40m

C$ 1,182

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Sun 7/2

7:05 p.m.-1:30 p.m.

1 stop33h 25m

Barcelona-El Prat

Wed 24/2

5:55 a.m.-5:10 p.m.

1 stop20h 15m

C$ 1,200

SeattleBarcelona

SEA Seattle/Tacoma Intl - BCN Barcelona-El Prat

SEABCN

Seattle/Tacoma Intl

Wed 6/1

8:30 a.m.-1:45 p.m.

3 stops20h 15m

Barcelona-El Prat

Wed 31/12

12:00 a.m.-3:00 p.m.

Nonstop0h 00m

C$ 1,213

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Seattle with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Seattle to Barcelona-El Prat Airport

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

The price you pay for your flight from Seattle to Barcelona-El Prat Airport may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Barcelona-El Prat Airport?

Currently, February is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of C$ 681). Flying from Seattle to Barcelona-El Prat Airport in December is currently the most expensive (average of C$ 1,714). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to 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.

How much does it cost to fly round-trip from Seattle to Barcelona-El Prat Airport?

Airfare is typical for this route at the moment.

Seattle to Barcelona-El Prat Airport flights typically cost between C$ 972 and C$ 1,534 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,118 on Turkish Airlines (6 Nov-19 Nov).

Related info for your journey

  • 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 0 different airlines.

  • How long is the flight from Seattle to Barcelona-El Prat Airport?

    A quick flight from Seattle to Barcelona-El Prat Airport can take about 19h 45m. Turkish Airlines provides one of the quickest options available for as low as C$ 1,119. The distance from Seattle to Barcelona-El Prat Airport is about 8724 km.

  • What are the most reliable airlines from Seattle to Barcelona-El Prat Airport?

    Before booking your flight to Barcelona-El Prat Airport from Seattle, check out the most reliable airlines to get you to your destination on time: KLM (72%), Air France (72%), Delta( 72%).

  • Can I find deals for flights from Seattle to Barcelona-El Prat that include hotel bookings?

    Yes. In addition to deals on Seattle to Barcelona-El Prat flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Barcelona-El Prat?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Barcelona-El Prat.

  • Can I find deals for business class flights from Seattle to Barcelona-El Prat?

    Yes. Cheapflights offers flight deals from Seattle to Barcelona-El Prat by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Barcelona-El Prat Airport?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of C$ 681). Flying from Seattle to Barcelona-El Prat Airport in December is currently the most expensive (average of C$ 1,714). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Barcelona-El Prat Airport?

Book flights to Barcelona-El Prat Airport if you plan to visit one of these locations
Santa Susanna
Malgrat de Mar

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