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Cheap flights from Seattle to Barcelona from $222

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 1/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:09 am - 1:20 pmSEA-BCN
18h 11m1 stop
Multiple Airlines Logo
6:35 pm - 7:55 pmBCN-SEA
34h 20m1 stop
$620Multiple Airlines
Find Deal
Sun, Mar 1 - Sat, Mar 7
Scandinavian Airlines Logo
7:20 am - 6:10 pmSEA-BCN
25h 50m2 stops
Scandinavian Airlines Logo
11:50 am - 10:16 pmBCN-SEA
43h 26m2 stops
$625Scandinavian Airlines
Find Deal
Wed, Apr 8 - Fri, Apr 17
Multiple Airlines Logo
2:35 pm - 5:10 pmSEA-BCN
17h 35m2 stops
Multiple Airlines Logo
8:35 pm - 5:00 pmBCN-SEA
29h 25m3 stops
$629Multiple Airlines
Find Deal
Wed, Dec 3 - Mon, Dec 8
Turkish Airlines Logo
8:00 pm - 11:50 pmSEA-BCN
19h 50m1 stop
Turkish Airlines Logo
7:35 am - 5:15 pmBCN-SEA
18h 40m1 stop
$630Turkish Airlines
Find Deal
Tue, Mar 17 - Tue, Mar 31
Multiple Airlines Logo
8:10 am - 5:00 pmSEA-BCN
23h 50m2 stops
Multiple Airlines Logo
7:20 pm - 1:10 pmBCN-SEA
25h 50m2 stops
$631Multiple Airlines
Find Deal
Sun, Mar 1 - Thu, Mar 12
Scandinavian Airlines Logo
10:55 am - 6:20 pmSEA-BCN
23h 25m2 stops
Scandinavian Airlines Logo
7:00 pm - 10:05 pmBCN-SEA
36h 05m2 stops
$632Scandinavian Airlines
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Thu, Mar 19 - Tue, Mar 31
Multiple Airlines Logo
8:05 pm - 8:40 pmSEA-BCN
15h 35m1 stop
Multiple Airlines Logo
10:45 am - 6:20 pmBCN-SEA
16h 35m1 stop
$634Multiple Airlines
Find Deal
Mon, Dec 15 - Mon, Dec 22
Multiple Airlines Logo
7:05 am - 1:20 pmSEA-BCN
21h 15m1 stop
Multiple Airlines Logo
6:35 pm - 10:28 amBCN-SEA
24h 53m1 stop
$637Multiple Airlines
Find Deal
Sat, Feb 21 - Mon, Mar 2
Multiple Airlines Logo
7:45 am - 1:20 pmSEA-BCN
20h 35m2 stops
Multiple Airlines Logo
5:35 pm - 10:28 amBCN-SEA
24h 53m1 stop
$638Multiple Airlines
Find Deal
Sat, Feb 28 - Sun, Mar 8
Multiple Airlines Logo
7:45 am - 1:20 pmSEA-BCN
20h 35m2 stops
Multiple Airlines Logo
6:35 pm - 10:28 amBCN-SEA
24h 53m1 stop
$639Multiple Airlines
Find Deal
Sun, Feb 22 - Sat, Feb 28

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
19h 50m
1 stop
BCN11:50 pmBarcelona-El Prat
Mar 31
BCN7:35 amBarcelona-El Prat
18h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$630
Find similar
Turkish Airlines
Mar 12
SEA8:00 pmSeattle/Tacoma Intl
20h 10m
1 stop
BCN12:10 amBarcelona-El Prat
Mar 19
BCN2:25 pmBarcelona-El Prat
35h 40m
1 stop
SEA6:05 pmSeattle/Tacoma Intl
$637
Find similar
Turkish Airlines
Mar 25
SEA8:00 pmSeattle/Tacoma Intl
19h 50m
1 stop
BCN11:50 pmBarcelona-El Prat
Apr 12
BCN7:35 amBarcelona-El Prat
18h 40m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$659
Find similar

Scandinavian Airlines flights from Seattle to Barcelona

Our best Scandinavian Airlines deals on Seattle to Barcelona flight tickets
Scandinavian Airlines
Mar 19
SEA10:55 amSeattle/Tacoma Intl
23h 25m
2 stops
BCN6:20 pmBarcelona-El Prat
Mar 31
BCN7:00 pmBarcelona-El Prat
36h 05m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$632
Find similar
Scandinavian Airlines
Dec 5
SEA7:10 amSeattle/Tacoma Intl
26h 10m
2 stops
BCN6:20 pmBarcelona-El Prat
Dec 14
BCN7:10 pmBarcelona-El Prat
36h 44m
2 stops
SEA10:54 pmSeattle/Tacoma Intl
$667
Find similar
Scandinavian Airlines
Nov 23
SEA11:15 amSeattle/Tacoma Intl
22h 05m
2 stops
BCN6:20 pmBarcelona-El Prat
Nov 26
BCN7:10 pmBarcelona-El Prat
32h 50m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
$670
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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 17, 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

Sun 3/1

10:09 am-1:20 pm

1 stop18h 11m

Barcelona-El Prat

Sat 3/7

6:35 pm-7:55 pm

1 stop34h 20m

$620

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 4/8

7:20 am-6:10 pm

2 stops25h 50m

Barcelona-El Prat

Fri 4/17

11:50 am-10:16 pm

2 stops43h 26m

$625

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 12/3

2:35 pm-5:10 pm

2 stops17h 35m

Barcelona-El Prat

Mon 12/8

8:35 pm-5:00 pm

3 stops29h 25m

$629

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 3/17

8:00 pm-11:50 pm

1 stop19h 50m

Barcelona-El Prat

Tue 3/31

7:35 am-5:15 pm

1 stop18h 40m

$630

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 3/1

8:10 am-5:00 pm

2 stops23h 50m

Barcelona-El Prat

Thu 3/12

7:20 pm-1:10 pm

2 stops25h 50m

$631

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Thu 3/19

10:55 am-6:20 pm

2 stops23h 25m

Barcelona-El Prat

Tue 3/31

7:00 pm-10:05 pm

2 stops36h 05m

$632

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Mon 12/15

8:05 pm-8:40 pm

1 stop15h 35m

Barcelona-El Prat

Mon 12/22

10:45 am-6:20 pm

1 stop16h 35m

$634

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 2/21

7:05 am-1:20 pm

1 stop21h 15m

Barcelona-El Prat

Mon 3/2

6:35 pm-10:28 am

1 stop24h 53m

$637

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sat 2/28

7:45 am-1:20 pm

2 stops20h 35m

Barcelona-El Prat

Sun 3/8

5:35 pm-10:28 am

1 stop24h 53m

$638

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Sun 2/22

7:45 am-1:20 pm

2 stops20h 35m

Barcelona-El Prat

Sat 2/28

6:35 pm-10:28 am

1 stop24h 53m

$639

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $847 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 $719 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, Fri 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, Friday 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 13h 40m.

  • 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
7.0
580 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $465Free CancellationRating
7.4
1,582 reviews
Search Scandinavian Airlines flights
Air CanadaPriceFrom $478Free CancellationRating
7.1
10,459 reviews
Search Air Canada flights
United AirlinesPriceFrom $492Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
Aer LingusPriceFrom $498Free CancellationRating
7.2
1,373 reviews
Search Aer Lingus flights
IberiaPriceFrom $507Free CancellationRating
7.0
3,020 reviews
Search Iberia flights
British AirwaysPriceFrom $549Free CancellationRating
6.7
7,528 reviews
Search British Airways flights
LufthansaPriceFrom $562Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights
KLMPriceFrom $574Free CancellationRating
7.7
1,411 reviews
Search KLM flights
American AirlinesPriceFrom $590Free CancellationRating
7.2
11,048 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.

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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