Barcelona-El Prat

$265+ Cheap flights from Seattle (SEA) to Barcelona-El Prat (BCN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Jan 21 — Jan 281
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The best prices from Seattle/Tacoma Intl to Barcelona-El Prat are usually found in November or February, booked 31 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Seattle to Barcelona-El Prat

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Barcelona-El Prat (BCN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 16, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$562
(Gotogate)

One-way from

$265
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$708
Provider with most accurate pricing for Seattle/Tacoma Intl-Barcelona-El Prat flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Barcelona-El Prat flights.
From Seattle/Tacoma Intl to Barcelona-El Prat
One-way flight from Seattle/Tacoma Intl to Barcelona-El Prat
High demand for flights, 22% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Seattle to Barcelona-El Prat

Cheapest flights from Seattle to Barcelona-El Prat
Explore the most affordable flight options available from Seattle to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 16, 2025.

This Gotogate deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/97:05 pmSEA - BCN
2 stops29h 45mAir Canada
Tue 2/2512:15 pmBCN - SEA
2 stops42h 52mAir Canada
Deal found 1/15$562
This Mytrip deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/95:45 amSEA - BCN
2 stops43h 05mMultiple Airlines
Tue 2/257:45 amBCN - SEA
1 stop14h 35mMultiple Airlines
Deal found 1/14$568
This CrystalTravel deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/252:35 pmSEA - BCN
1 stop15h 05mBritish Airways
Tue 4/89:20 pmBCN - SEA
1 stop23h 15mBritish Airways
Deal found 1/15$574
This Expedia deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/198:00 pmSEA - BCN
1 stop15h 25mAer Lingus
Wed 2/2611:30 amBCN - SEA
1 stop15h 45mAer Lingus
Deal found 1/15$579
This Ticket deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/216:15 amSEA - BCN
1 stop17h 25mVirgin Atlantic
Tue 2/2510:15 amBCN - SEA
1 stop21h 10mVirgin Atlantic
Deal found 1/15$584
This United deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/57:00 amSEA - BCN
2 stops17h 50mUnited Airlines
Thu 2/2712:15 pmBCN - SEA
2 stops39h 30mUnited Airlines
Deal found 1/16$587
This American Airlines deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/181:33 pmSEA - BCN
2 stops16h 12mAmerican Airlines
Wed 2/2611:00 amBCN - SEA
1 stop21h 24mAmerican Airlines
Deal found 1/15$594
This Delta deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1610:30 pmSEA - BCN
1 stop25h 10mDelta
Fri 3/286:00 amBCN - SEA
1 stop14h 55mDelta
Deal found 1/16$603
This Lufthansa deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/164:10 pmSEA - BCN
1 stop22h 45mLufthansa
Thu 3/276:50 amBCN - SEA
1 stop14h 20mLufthansa
Deal found 1/16$613
This SWISS deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/93:25 pmSEA - BCN
2 stops18h 50mSWISS
Tue 2/259:50 amBCN - SEA
2 stops20h 25mSWISS
Deal found 1/15$642
This KLM deal was found by Cheapflights users on 1/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/216:15 amSEA - BCN
1 stop17h 25mKLM
Sat 3/810:15 amBCN - SEA
1 stop21h 10mKLM
Deal found 1/16$690
This FlightHub deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:05 pmSEA - BCN
1 stop30h 30mTurkish Airlines
Mon 10/2012:00 pmBCN - SEA
1 stop31h 35mTurkish Airlines
Deal found 1/15$705

Find flights from Seattle to Barcelona-El Prat within your budget

Customize your flight search to find flights from Seattle to Barcelona-El Prat that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 2/9

7:05 pm-9:50 am

2 stops29h 45m

Barcelona-El Prat

Tue 2/25

6:50 am-10:07 pm

2 stops24h 17m

$572

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/11

5:45 am-8:50 am

2 stops19h 05m

Barcelona-El Prat

Tue 3/18

7:45 am-2:20 pm

1 stop14h 35m

$573

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/25

2:35 pm-11:20 am

1 stop12h 45m

Barcelona-El Prat

Wed 4/9

10:35 am-6:20 pm

1 stop16h 45m

$574

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 2/9

10:55 pm-8:00 am

1 stop24h 05m

Barcelona-El Prat

Tue 2/25

10:15 am-7:55 pm

1 stop18h 40m

$579

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 2/17

2:00 pm-4:15 pm

1 stop17h 15m

Barcelona-El Prat

Tue 2/25

12:15 pm-6:45 pm

2 stops39h 30m

$584

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 2/18

1:35 pm-2:45 pm

1 stop16h 10m

Barcelona-El Prat

Wed 2/26

11:00 am-11:24 pm

1 stop21h 24m

$589

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/18

6:00 am-7:40 am

1 stop17h 40m

Barcelona-El Prat

Wed 4/9

11:35 am-10:22 pm

1 stop19h 47m

$590

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/18

4:10 pm-10:55 pm

1 stop22h 45m

Barcelona-El Prat

Wed 4/9

1:15 pm-6:28 pm

2 stops38h 13m

$602

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 2/23

2:35 pm-1:10 pm

1 stop13h 35m

Barcelona-El Prat

Fri 2/28

11:45 am-9:16 am

2 stops30h 31m

$703

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/25

8:00 pm-1:35 pm

1 stop33h 35m

Barcelona-El Prat

Tue 4/15

7:30 am-5:10 pm

1 stop18h 40m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 24 results
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Compare providers for flights from Seattle to Barcelona-El Prat

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Barcelona-El Prat in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
KAYAKPrice Accuracy-Trust Score*1 star
GotogatePrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Barcelona-El Prat Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Seattle-Barcelona-El Prat Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Seattle-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Barcelona-El Prat Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Barcelona-El Prat Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Barcelona-El Prat

Get recent, data-driven insights about flights from Seattle to Barcelona-El Prat including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Barcelona-El Prat. Price data was last updated on January 10, 2025.

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 31 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, January is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of $523). Flying from Seattle to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,097). 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?

Find hourly flight availability from Seattle to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Barcelona-El Prat Airport in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Barcelona-El Prat. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Barcelona-El Prat Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Barcelona-El Prat. Reviews last updated January 16, 2025.
See what other customers who have flown with Icelandair, British Airways and Turkish Airlines from Seattle to Barcelona have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very good
8,511 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,339 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
1,598 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
664 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.4
Good
8,964 reviews
8.0
Very good
8,511 reviews

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Barcelona-El Prat. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Seattle to Barcelona-El Prat?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Barcelona-El Prat. 14 airlines have flights from Seattle/Tacoma Intl to Barcelona-El Prat on a regular basis. Booking flights from Seattle/Tacoma Intl to Barcelona-El Prat should not be difficult; the airport handles an average of 0 outbound flights to Barcelona-El Prat per day.

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

    According to our current data, Air Canada ($562), British Airways ($574), and Aer Lingus ($579) offers the cheapest pricing from Seattle to Barcelona-El Prat Airport. Air Canada is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • 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 Icelandair ($389), Scandinavian Airlines ($402), and WestJet ($445).

  • Where are the most common layover locations when flying from Seattle to Barcelona-El Prat Airport?

  • What are some popular things to do or see while on a layover in London?

    London travelers tend to visit Hyde Park, Piccadilly Circus, and Buckingham Palace more than anywhere else. Hyde Park, Piccadilly Circus, and Buckingham Palace are located about 12.5 mi, 14.1 mi, and 13.7 mi, respectively from London Heathrow. Those on a layover in London in need of a rental car can book one at London Heathrow for about $38.

  • What are some popular points of interest to see during a layover in Paris?

    Eiffel Tower, Champs-Elysées, and Place Vendôme are the most popular attractions in Paris if you're in need of something to do during your layover. Eiffel Tower, Champs-Elysées, and Place Vendôme can be visited by traveling about 15.8 mi, 14.7 mi, and 14.2 mi respectively from Paris Charles de Gaulle. Those looking to explore during their layover in Paris can rent a car from Paris Charles de Gaulle for about $37 per day.

  • What are points of interest worth seeing during a layover in Calgary?

    Calgary travelers tend to visit Calgary Tower, Heritage Park Historical Village, and TELUS Spark more than any other attractions. Calgary Tower, Heritage Park Historical Village, and TELUS Spark are located about 5.9 mi, 10.5 mi, and 6.2 mi, respectively from Calgary. Travelers can rent a car at Calgary for an average daily rate of $37 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Seattle to Barcelona-El Prat Airport flights?

  • 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, January is the cheapest month in which you can book a flight from Seattle to Barcelona-El Prat Airport (average of $523). Flying from Seattle to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,097). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Calella
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Alternative routes for Seattle to Barcelona-El Prat

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Seattle to Barcelona-El Prat

Discover the top 10 airlines that operate flights from Seattle to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$431Average$607FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$897FlexibilityNo cancel feeOn-time60%
KLMCheapest$485Average$918FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$501Average$851FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$512Average$1,020FlexibilityNo cancel feeOn-time67%
IberiaCheapest$525Average$927FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$550Average$983FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$554Average$884FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$562Average$873FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$608Average$926FlexibilityNo cancel feeOn-time69%
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