Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Barcelona from $250

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Barcelona departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Barcelona

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:20 am - 6:10 pmSEA-BCN
25h 50m2 stops
Scandinavian Airlines Logo
7:00 pm - 11:35 pmBCN-SEA
37h 35m2 stops
$602Scandinavian Airlines
Find Deal
Wed, Apr 15 - Thu, Apr 23
Turkish Airlines Logo
8:00 pm - 5:05 pmSEA-BCN
37h 05m1 stop
Turkish Airlines Logo
6:35 pm - 5:15 pmBCN-SEA
31h 40m1 stop
$603Turkish Airlines
Find Deal
Tue, Mar 17 - Tue, Mar 31
United Airlines Logo
12:37 pm - 9:35 amSEA-BCN
35h 58m3 stops
United Airlines Logo
1:55 pm - 10:43 pmBCN-SEA
41h 48m2 stops
$607United Airlines
Find Deal
Sat, Feb 14 - Sat, Feb 21
Scandinavian Airlines Logo
7:10 am - 6:20 pmSEA-BCN
26h 10m2 stops
Scandinavian Airlines Logo
7:10 pm - 9:59 pmBCN-SEA
35h 49m2 stops
$608Scandinavian Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 14
Multiple Airlines Logo
8:05 pm - 11:35 pmSEA-BCN
18h 30m1 stop
Multiple Airlines Logo
12:55 pm - 6:20 pmBCN-SEA
14h 25m1 stop
$609Multiple Airlines
Find Deal
Fri, Feb 27 - Fri, Mar 6
Multiple Airlines Logo
10:05 am - 4:35 pmSEA-BCN
21h 30m3 stops
Multiple Airlines Logo
5:55 pm - 1:10 pmBCN-SEA
27h 15m2 stops
$612Multiple Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15
Lufthansa Logo
3:40 pm - 9:35 amSEA-BCN
32h 55m2 stops
Lufthansa Logo
6:50 am - 12:10 pmBCN-SEA
14h 20m1 stop
$614Lufthansa
Find Deal
Tue, Dec 2 - Sat, Dec 13
Multiple Airlines Logo
5:50 am - 11:55 pmSEA-BCN
33h 05m3 stops
Multiple Airlines Logo
7:20 am - 9:31 amBCN-SEA
35h 11m3 stops
$616Multiple Airlines
Find Deal
Thu, Dec 11 - Wed, Dec 24
Air Canada Logo
8:10 am - 5:35 pmSEA-BCN
24h 25m2 stops
Air Canada Logo
1:35 pm - 10:16 pmBCN-SEA
41h 41m2 stops
$618Air Canada
Find Deal
Fri, Dec 12 - Tue, Dec 23
Aer Lingus Logo
6:45 pm - 10:25 pmSEA-BCN
18h 40m1 stop
Aer Lingus Logo
11:00 am - 4:59 pmBCN-SEA
14h 59m1 stop
$619Aer Lingus
Find Deal
Wed, Apr 22 - Thu, May 7

Turkish Airlines flights from Seattle to Barcelona

Our best Turkish Airlines deals on Seattle to Barcelona flight tickets
Turkish Airlines
Mar 17
SEA8:00 pmSeattle/Tacoma Intl
37h 05m
1 stop
BCN5:05 pmBarcelona-El Prat
Mar 31
BCN6:35 pmBarcelona-El Prat
31h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$603
Find similar
Turkish Airlines
Mar 21
SEA8:00 pmSeattle/Tacoma Intl
30h 45m
1 stop
BCN10:45 amBarcelona-El Prat
Apr 10
BCN7:35 amBarcelona-El Prat
18h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$640
Find similar
Turkish Airlines
Mar 25
SEA8:00 pmSeattle/Tacoma Intl
30h 45m
1 stop
BCN10:45 amBarcelona-El Prat
Apr 12
BCN7:35 amBarcelona-El Prat
18h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$659
Find similar

United Airlines flights from Seattle to Barcelona

Our best United Airlines deals on Seattle to Barcelona flight tickets
United Airlines
Feb 14
SEA12:37 pmSeattle/Tacoma Intl
35h 58m
3 stops
BCN9:35 amBarcelona-El Prat
Feb 21
BCN1:55 pmBarcelona-El Prat
41h 48m
2 stops
SEA10:43 pmSeattle/Tacoma Intl
$607
Find similar
United Airlines
Dec 2
SEA8:10 amSeattle/Tacoma Intl
15h 10m
1 stop
BCN8:20 amBarcelona-El Prat
Dec 12
BCN6:50 amBarcelona-El Prat
14h 20m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$676
Find similar

momondo Fare Finder

 
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, momondo users made 832,500 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Seattle to Barcelona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 4/15

7:20 am-6:10 pm

2 stops25h 50m

Barcelona-El Prat

Thu 4/23

7:00 pm-11:35 pm

2 stops37h 35m

$602

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/17

8:00 pm-5:05 pm

1 stop37h 05m

Barcelona-El Prat

Tue 3/31

6:35 pm-5:15 pm

1 stop31h 40m

$603

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 2/14

12:37 pm-9:35 am

3 stops35h 58m

Barcelona-El Prat

Sat 2/21

1:55 pm-10:43 pm

2 stops41h 48m

$607

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 12/5

7:10 am-6:20 pm

2 stops26h 10m

Barcelona-El Prat

Sun 12/14

7:10 pm-9:59 pm

2 stops35h 49m

$608

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 2/27

8:05 pm-11:35 pm

1 stop18h 30m

Barcelona-El Prat

Fri 3/6

12:55 pm-6:20 pm

1 stop14h 25m

$609

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 3/6

10:05 am-4:35 pm

3 stops21h 30m

Barcelona-El Prat

Sun 3/15

5:55 pm-1:10 pm

2 stops27h 15m

$612

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 12/2

3:40 pm-9:35 am

2 stops32h 55m

Barcelona-El Prat

Sat 12/13

6:50 am-12:10 pm

1 stop14h 20m

$614

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 12/11

5:50 am-11:55 pm

3 stops33h 05m

Barcelona-El Prat

Wed 12/24

7:20 am-9:31 am

3 stops35h 11m

$616

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Fri 12/12

8:10 am-5:35 pm

2 stops24h 25m

Barcelona-El Prat

Tue 12/23

1:35 pm-10:16 pm

2 stops41h 41m

$618

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 4/22

6:45 pm-10:25 pm

1 stop18h 40m

Barcelona-El Prat

Thu 5/7

11:00 am-4:59 pm

1 stop14h 59m

$619

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Barcelona from

How to get the cheapest flight ticket from Seattle to Barcelona

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Barcelona?

The month of February is, on average, the cheapest month to fly to Barcelona from Seattle, with most prices found around $669. If you don’t want to visit Barcelona in February, then you should wait until October to fly from Seattle, when ticket prices are also cheap, with an average price of $672.

What is the cheapest day to depart on your flight to Barcelona?

The cheapest day to depart from Seattle to Barcelona is on a Sunday when prices can be found for as low as $876. On the other hand, Tuesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,579.

What is the cheapest time of day to depart on your flight to Barcelona?

In the evening is the cheapest time of day to fly from Seattle to Barcelona when you can find flight prices for as low as $888. Flying to Barcelona in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,198 on average. Flights to Barcelona from Seattle in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Seattle/Tacoma Intl to Barcelona flight route?

Fly from Seattle/Tacoma Intl to Barcelona-El Prat for the best Seattle/Tacoma Intl - Barcelona flight prices

How far in advance should I book a flight to Barcelona?

You are more likely to see cheaper flights to Barcelona from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $848 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Seattle for as low as $721 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Barcelona flights?

There is only 1 cabin class available to choose from on Seattle/Tacoma Intl to Barcelona flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Seattle to Barcelona flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Barcelona

Fastest flight time

10h 30m

Direct flights

Wed and Sun

Airports in Barcelona

1 airport
The fastest flight from Seattle to Barcelona takes 10h 30m
Direct flights go from Seattle to Barcelona on Wednesday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Barcelona: Barcelona-El Prat (BCN)
Search flight deals

  • How far is Seattle/Tacoma Intl to Barcelona by plane?

    A flight from Seattle/Tacoma Intl to Barcelona will travel around 5410.7 mi. A reasonable flight in good conditions will take 14h 00m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Barcelona?

    Prices for flights from Seattle/Tacoma Intl Airport to Barcelona are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Barcelona?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Barcelona?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Barcelona.

  • What documentation or ID do you need to fly to Barcelona?

    The required travel and health documents for your Barcelona trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Barcelona. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seattle to Barcelona

Compare and see reviews for airlines that fly from Seattle to Barcelona with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $389Free CancellationRating
7.1
578 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $465Free CancellationRating
7.4
1,575 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $478Free CancellationRating
7.1
10,444 reviews
Search Air Canada flights
United AirlinesPriceFrom $492Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Aer LingusPriceFrom $498Free CancellationRating
7.2
1,370 reviews
Search Aer Lingus flights
IberiaPriceFrom $507Free CancellationRating
7.0
3,010 reviews
Search Iberia flights
British AirwaysPriceFrom $549Free CancellationRating
6.7
7,516 reviews
Search British Airways flights
LufthansaPriceFrom $562Free CancellationRating
6.8
7,570 reviews
Search Lufthansa flights
KLMPriceFrom $574Free CancellationRating
7.7
1,410 reviews
Search KLM flights
American AirlinesPriceFrom $590Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Barcelona?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Barcelona from Seattle.

Can I find flights from Seattle to Barcelona with flexible booking policies on momondo?

All flight searches from Seattle to Barcelona on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Barcelona?

Once you have performed a search for Seattle to Barcelona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Barcelona right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Barcelona now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Barcelona and let you know when they change.

An easier way to manage your Barcelona trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Spain

Fly into one of these airports located in Barcelona

Airports listed have a maximum distance of 46.7 mi from Barcelona
Barcelona-El Prat Airport
Girona Costa Brava Airport