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$348+ Cheap flights from Seattle (SEA) to Barcelona

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BCN
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Barcelona are usually found in January or November, booked 31 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Seattle to Barcelona

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Barcelona (S37). 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 November 20, 2024.

Popular in

June

Cheapest in

January

Round-trip from

$569
(United)

One-way from

$353
(Kiwi.com)
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 29% potential price drop
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From Seattle/Tacoma Intl to Barcelona
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One-way flight from Seattle/Tacoma Intl to Barcelona
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Find flight deals from Seattle to Barcelona

Cheapest flights from Seattle to Barcelona
Explore the most affordable flight options available from Seattle to Barcelona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. 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.
Sun 12/18:00 pmSEA - BCN
1 stop15h 15mAer Lingus
Fri 2/2811:30 amBCN - SEA
1 stop15h 45mAer Lingus
Deal found 11/20$574
This FlightHub deal was found by Cheapflights users on 11/19. 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.
Sun 12/12:35 pmSEA - BCN
1 stop13h 35mIcelandair
Fri 2/2811:45 amBCN - SEA
1 stop14h 15mIcelandair
Deal found 11/19$595
This FlightHub deal was found by Cheapflights users on 11/20. 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.
Sun 12/297:00 pmSEA - BCN
1 stop18h 45mTurkish Airlines
Mon 1/207:50 amBCN - SEA
1 stop18h 15mTurkish Airlines
Deal found 11/20$630
This Justfly.com deal was found by Cheapflights users on 11/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:05 amSEA - BCN
2 stops18h 45mAir Canada
Wed 1/226:50 amBCN - SEA
2 stops24h 10mAir Canada
Deal found 11/20$651
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/297:15 pmSEA - BCN
2 stops29h 35mMultiple Airlines
Mon 1/203:30 pmBCN - SEA
1 stop30h 50mMultiple Airlines
Deal found 11/20$664
This KLM deal was found by Cheapflights users on 11/18. 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.
Mon 12/98:20 amSEA - BCN
1 stop15h 20mKLM
Tue 12/1710:15 amBCN - SEA
1 stop21h 09mKLM
Deal found 11/18$799
This Virgin Atlantic deal was found by Cheapflights users on 11/18. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:59 pmSEA - BCN
1 stop24h 01mVirgin Atlantic
Tue 12/1710:15 amBCN - SEA
2 stops21h 10mVirgin Atlantic
Deal found 11/18$804
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/119:00 amSEA - BCN
1 stop15h 00mAmerican Airlines
Wed 1/2211:00 amBCN - SEA
1 stop21h 26mAmerican Airlines
Deal found 11/20$807
This Air France deal was found by Cheapflights users on 11/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/96:00 amSEA - BCN
1 stop17h 40mAir France
Mon 12/168:15 pmBCN - SEA
1 stop24h 05mAir France
Deal found 11/19$813
This United Airlines deal was found by Cheapflights users on 11/19. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/48:05 amSEA - BCN
1 stop15h 15mUnited Airlines
Tue 12/1012:15 pmBCN - SEA
2 stops38h 54mUnited Airlines
Deal found 11/19$837
This KAYAK deal was found by Cheapflights users on 11/19. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/910:35 amSEA - BCN
2 stops20h 40mLufthansa
Mon 12/166:20 pmBCN - SEA
1 stop28h 00mLufthansa
Deal found 11/19$863
This Scandinavian Airlines deal was found by Cheapflights users on 11/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/258:20 amSEA - BCN
2 stops25h 00mScandinavian Airlines
Tue 1/77:10 pmBCN - SEA
2 stops36h 15mScandinavian Airlines
Deal found 11/19$1,135

Find flights from Seattle to Barcelona within your budget

Customize your flight search to find flights from Seattle to Barcelona 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 3/6

2:00 pm-7:45 pm

1 stop20h 45m

Barcelona-El Prat

Thu 3/13

11:45 am-8:24 pm

1 stop16h 39m

$565

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 2/15

11:11 pm-9:00 am

1 stop24h 49m

Barcelona-El Prat

Sun 2/23

7:45 am-1:20 pm

1 stop14h 35m

$569

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 2/28

10:35 am-10:55 pm

2 stops27h 20m

Barcelona-El Prat

Fri 3/7

7:45 am-6:25 pm

2 stops19h 40m

$573

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 3/21

5:45 am-8:50 am

2 stops19h 05m

Barcelona-El Prat

Mon 3/24

11:15 am-2:30 pm

2 stops35h 15m

$586

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 12/1

2:35 pm-1:10 pm

1 stop13h 35m

Barcelona-El Prat

Fri 2/28

11:45 am-5:00 pm

1 stop14h 15m

$595

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 1/9

6:15 am-8:00 am

1 stop16h 45m

Barcelona-El Prat

Sun 1/19

1:00 pm-11:50 am

1 stop31h 50m

$610

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 3/6

6:50 pm-6:25 pm

1 stop14h 35m

Barcelona-El Prat

Sat 3/15

11:35 am-5:55 pm

1 stop14h 20m

$611

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 12/29

7:00 pm-10:45 pm

1 stop18h 45m

Barcelona-El Prat

Mon 1/20

7:50 am-5:05 pm

1 stop18h 15m

$630

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 12/1

8:00 pm-8:15 pm

1 stop15h 15m

Barcelona-El Prat

Wed 12/11

11:30 am-6:15 pm

1 stop15h 45m

$643

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 4/25

11:30 am-12:25 pm

2 stops39h 55m

Barcelona-El Prat

Fri 5/2

2:25 pm-8:28 pm

1 stop15h 03m

$676

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 30 results
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Best time to book a flight from Seattle to Barcelona

Have a flexible travel schedule? Discover the best time to fly to Barcelona 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

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

How far ahead should I book a flight from Seattle to Barcelona?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Barcelona. Price data was last updated on November 15, 2024.

To ensure you get the cheapest price possible for a flight from Seattle to Barcelona, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Barcelona?

Currently, January is the cheapest month in which you can book a flight from Seattle to Barcelona (average of $521). Flying from Seattle to Barcelona in June is currently the most expensive (average of $1,020). 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

A simple way to save on the total cost of your ticket is to fly from Seattle to Barcelona in the afternoon. 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?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Barcelona. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Seattle to Barcelona 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 by month

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

In terms of precipitation, rainfall in Barcelona 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 when rainfall is around 0.8 in.

Temperature in Barcelona by month

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

If weather is an important factor for your trip to Barcelona, 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

Get insights into the airlines that provide service to Barcelona. 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. Reviews last updated November 20, 2024.
Read through reviews of airlines operating flights from Seattle to Barcelona, such as Aer Lingus, Lufthansa and Turkish Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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.

Delta
8.0
Very good
8,756 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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.

KLM
7.8
Good
1,350 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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.

Virgin Atlantic
7.5
Good
663 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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.

Air France
7.4
Good
1,523 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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.

United Airlines
7.4
Good
9,171 reviews
Delta
8.0
Very good
8,756 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

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. 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?

    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. 14 airlines have flights to Barcelona from Seattle/Tacoma Intl on a regular basis.

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

    Our cheapest airline available from Seattle to Barcelona is United Airlines. Our recent data shows that you can find tickets from as low as $572 on this airline. Additional options worth looking into are Aer Lingus and Lufthansa, starting at $574 and $577 round-trip. Users have found that United Airlines 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 Icelandair, with whom users have recently found tickets for as low as $359. However, be on the lookout for offers from Air Canada and British Airways, as they are both options that can get you from Seattle to Barcelona for a low price.

  • Where are the most common layover locations when flying from Seattle to Barcelona?

    Seattle to Barcelona flights have a layover in London most often. Paris is the second most popular location for layovers on flights from Seattle to Barcelona. Calgary comes next as the third most popular layover location for Seattle to Barcelona flights.

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

    Most London visitors opt to spend their time experiencing Hyde Park, Piccadilly Circus, and Trafalgar Square. Hyde Park, Piccadilly Circus and Trafalgar Square are located about 12.5 mi, 14.1 mi, and 14.3 mi, respectively from London Heathrow if you are interested in checking them out. Those on a layover in London in need of a rental car can book one at London Heathrow for about $40.

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

    Most Paris visitors opt to spend their time at Eiffel Tower, Champs-Elysées, and Place Vendôme. Those on a layover in Paris interested in visiting Eiffel Tower, Champs-Elysées, or Place Vendôme can do so by traveling 15.8 mi, 14.7 mi, and 14.2 mi, respectively from Paris Charles de Gaulle. Those landing in Paris looking to spend some time exploring during their layover can rent a car for about $40 per day.

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

    The majority of Calgary visitors spend their time at Calgary Tower, Heritage Park Historical Village, and TELUS Spark. Those on a layover in Calgary interested in visiting Calgary Tower, Heritage Park Historical Village, or TELUS Spark can do so by traveling 5.9 mi, 10.5 mi, and 6.2 mi, respectively from Calgary. Travelers can book a car rental at Calgary for about $31 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Seattle to Barcelona flights?

    Flights departing from Seattle and landing in Barcelona layover in Dublin least frequently. Dublin is followed by Chicago in terms of the least popular layover location on flights from Seattle to Barcelona. Reykjavik sees the third fewest flights with layovers for the Seattle to Barcelona route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Barcelona 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?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Barcelona (average of $521). Flying from Seattle to Barcelona in June is currently the most expensive (average of $1,020). 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

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Alternative routes for Seattle to Barcelona

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Barcelona-El Prat flights
Portland to Barcelona-El Prat flights
Spokane to Barcelona-El Prat flights

Top 10 airlines flying from Seattle to Barcelona

Discover the top 10 airlines that operate flights from Seattle to Barcelona. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$433Average$615FlexibilityNo cancel feeOn-time76%
WestJetCheapest$445Average$884FlexibilityNo cancel feeOn-time60%
Aer LingusCheapest$500Average$825FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$506Average$1,006FlexibilityNo cancel feeOn-time67%
KLMCheapest$520Average$861FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$521Average$862FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$525Average$982FlexibilityNo cancel feeOn-time76%
IberiaCheapest$525Average$927FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$547Average$916FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$602Average$946FlexibilityNo cancel feeOn-time69%
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