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Cheap flights from Seattle to Spain from $248

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 Spain departing on 4/27. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
7:00 pm - 2:45 pm
SEA
-
BCN
34h 45m
1 stop
Icelandair Logo
3:45 pm - 8:40 pm
BCN
-
SEA
13h 55m
1 stop
$407Icelandair
خ, أبريل 30 - ح, مايو 10
Icelandair Logo
3:40 pm - 2:45 pm
SEA
-
BCN
14h 05m
1 stop
Icelandair Logo
3:45 pm - 8:40 pm
BCN
-
SEA
13h 55m
1 stop
$410Icelandair
ر, أبريل 22 - ر, أبريل 29
Lufthansa Logo
2:00 pm - 11:20 pm
SEA
-
VLC
24h 20m
1 stop
Lufthansa Logo
6:20 pm - 2:20 pm
VLC
-
SEA
28h 00m
1 stop
$454Lufthansa
ث, مارس 3 - ث, مارس 10
Lufthansa Logo
3:00 pm - 5:10 pm
SEA
-
PMI
18h 10m
1 stop
Lufthansa Logo
4:05 pm - 1:10 pm
PMI
-
SEA
29h 05m
1 stop
$467Lufthansa
ن, مارس 16 - ن, مارس 23
British Airways Logo
2:17 pm - 11:15 am
SEA
-
VLC
35h 58m
2 stops
British Airways Logo
5:10 pm - 5:55 pm
VLC
-
SEA
32h 45m
1 stop
$473British Airways
ث, مارس 3 - ث, مارس 10
British Airways Logo
1:37 pm - 11:30 am
SEA
-
AGP
36h 53m
2 stops
British Airways Logo
5:50 pm - 5:55 pm
AGP
-
SEA
32h 05m
1 stop
$474British Airways
ن, مارس 2 - ث, مارس 17
KLM Logo
5:30 pm - 8:20 am
SEA
-
PMI
29h 50m
1 stop
KLM Logo
3:45 pm - 4:30 pm
PMI
-
SEA
33h 45m
1 stop
$477KLM
ث, أبريل 21 - ث, أبريل 28
KLM Logo
5:30 pm - 7:55 pm
SEA
-
VLC
17h 25m
1 stop
KLM Logo
9:45 am - 4:30 pm
VLC
-
SEA
15h 45m
1 stop
$478KLM
ر, أبريل 15 - ر, أبريل 22
Delta Logo
11:20 am - 4:10 pm
SEA
-
VLC
19h 50m
2 stops
Delta Logo
6:00 am - 11:35 am
VLC
-
SEA
14h 35m
1 stop
$485Delta
ج, فبراير 27 - ج, مارس 6
Delta Logo
6:15 am - 9:15 am
SEA
-
MAD
18h 00m
1 stop
Delta Logo
6:00 am - 10:10 pm
MAD
-
SEA
24h 10m
2 stops
$495Delta
ث, مارس 3 - ث, مارس 24

Lufthansa flights from Seattle to Spain

Our best Lufthansa deals on Seattle to Spain flight tickets
Lufthansa
Mar 4
SEA3:10 pmSeattle/Tacoma Intl
14h 35m
1 stop
BCN2:45 pmBarcelona-El Prat
Mar 9
BCN6:50 amBarcelona-El Prat
14h 20m
1 stop
SEA1:10 pmSeattle/Tacoma Intl
$440
Lufthansa
Mar 3
SEA2:00 pmSeattle/Tacoma Intl
24h 20m
1 stop
VLC11:20 pmValencia
Mar 10
VLC6:20 pmValencia
28h 00m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$454
Lufthansa
Apr 8
SEA6:50 pmSeattle/Tacoma Intl
14h 05m
1 stop
BCN5:55 pmBarcelona-El Prat
Apr 14
BCN6:40 amBarcelona-El Prat
14h 40m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$463

Air Canada flights from Seattle to Spain

Our best Air Canada deals on Seattle to Spain flight tickets
Air Canada
Apr 15
SEA8:00 amSeattle/Tacoma Intl
16h 20m
1 stop
BCN9:20 amBarcelona-El Prat
May 1
BCN12:15 pmBarcelona-El Prat
35h 05m
2 stops
SEA2:20 pmSeattle/Tacoma Intl
$484
Air Canada
Apr 13
SEA5:40 amSeattle/Tacoma Intl
27h 15m
2 stops
BCN5:55 pmBarcelona-El Prat
Apr 30
BCN1:15 pmBarcelona-El Prat
17h 38m
1 stop
SEA9:53 pmSeattle/Tacoma Intl
$489
Air Canada
Feb 5
SEA5:50 amSeattle/Tacoma Intl
17h 10m
2 stops
MAD8:00 amMadrid Barajas
Mar 11
MAD12:40 pmMadrid Barajas
34h 21m
2 stops
SEA3:01 pmSeattle/Tacoma Intl
$684

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Spain 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 فبراير 1, 2026.
Use the filters below to find and compare flights from Seattle to Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

خ 4/30

7:00 pm-2:45 pm

1 stop34h 45m

Barcelona-El Prat

ح 5/10

3:45 pm-8:40 pm

1 stop13h 55m

$407

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

ر 4/22

3:40 pm-2:45 pm

1 stop14h 05m

Barcelona-El Prat

ر 4/29

3:45 pm-8:40 pm

1 stop13h 55m

$410

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

ث 3/3

2:00 pm-11:20 pm

1 stop24h 20m

Valencia

ث 3/10

6:20 pm-2:20 pm

1 stop28h 00m

$454

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

ن 3/16

3:00 pm-5:10 pm

1 stop18h 10m

Palma de Mallorca Son Sant Joan

ن 3/23

4:05 pm-1:10 pm

1 stop29h 05m

$467

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

ث 3/3

2:17 pm-11:15 am

2 stops35h 58m

Valencia

ث 3/10

5:10 pm-5:55 pm

1 stop32h 45m

$473

SeattleMálaga

SEA - AGP

SEAAGP

Seattle/Tacoma Intl

ن 3/2

1:37 pm-11:30 am

2 stops36h 53m

Malaga

ث 3/17

5:50 pm-5:55 pm

1 stop32h 05m

$474

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

ث 4/21

5:30 pm-8:20 am

1 stop29h 50m

Palma de Mallorca Son Sant Joan

ث 4/28

3:45 pm-4:30 pm

1 stop33h 45m

$477

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

ر 4/15

5:30 pm-7:55 pm

1 stop17h 25m

Valencia

ر 4/22

9:45 am-4:30 pm

1 stop15h 45m

$478

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

ج 2/27

11:20 am-4:10 pm

2 stops19h 50m

Valencia

ج 3/6

6:00 am-11:35 am

1 stop14h 35m

$485

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

ث 3/3

6:15 am-9:15 am

1 stop18h 00m

Madrid Barajas

ث 3/24

6:00 am-10:10 pm

2 stops24h 10m

$495

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 Spain from

How to get the cheapest flight ticket from Seattle to Spain

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 Spain?

If you don’t want to visit Spain in January, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $579.

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

The cheapest day to depart from Seattle to Spain is on a Tuesday when prices can be found for as low as $1,258. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Spain for around $1,759.

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

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

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

You are more likely to see cheaper flights to Spain from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $793 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Seattle for as low as $707 on momondo.

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

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

Can stopping save me money on Seattle to Spain flights?

You could potentially save up to 17% on your flight if you consider stops on a Seattle to Spain flight.

Cheap Seattle to Spain flight deals and tips

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

Best Price Found

$648

Fastest flight time

10h 30m

Direct flights

Wed, Fri and Sun

Airports in Spain

239 airports
The best one-way flight to Spain from Seattle in the past 72 hours is $648. The best round-trip flight deal from Seattle to Spain found on momondo in the last 72 hours is $883.
The fastest flight from Seattle to Spain takes 10h 30m
Direct flights go from Seattle to Spain on Wednesday, Friday and Sunday. There are no airlines offering direct flights.
There are 239 airports in Spain. From Seattle there are direct flights to Barcelona-El Prat (BCN).
Search flight deals

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

    Prices for flights from Seattle/Tacoma Intl Airport to Spain refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Spain.

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

    The travel and health documents required for your trip to Spain can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Spain. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Seattle to Spain?

Best airlines flying from Seattle to Spain

Compare and see reviews for airlines that fly from Seattle to Spain with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $360Free CancellationRating
7.2
2,890 reviews
Search JetBlue flights
IcelandairPriceFrom $367Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Aer LingusPriceFrom $425Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
Scandinavian AirlinesPriceFrom $440Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $471Free CancellationRating
7.4
1,528 reviews
Search Air France flights
United AirlinesPriceFrom $476Free CancellationRating
7.4
9,220 reviews
Search United Airlines flights
Air CanadaPriceFrom $477Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
British AirwaysPriceFrom $481Free CancellationRating
6.7
7,706 reviews
Search British Airways flights
IberiaPriceFrom $481Free CancellationRating
7.0
3,100 reviews
Search Iberia flights
LufthansaPriceFrom $484Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights

Why use momondo?

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

It is quick and easy to find Seattle to Spain flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Spain that suits you.

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

Yes. momondo allows you to filter the results for Seattle to Spain flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Spain from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Seattle to Spain flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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