Cheap flights from Seattle to Spain from $260

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 10/31. 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.
Scandinavian Airlines Logo
3:55 pm - 12:40 pm
SEA
-
ALC
35h 45m
1 stop
Scandinavian Airlines Logo
12:25 pm - 1:45 pm
ALC
-
SEA
34h 20m
1 stop
$634Scandinavian Airlines
Sat, Aug 29 - Fri, Sep 11
Scandinavian Airlines Logo
3:55 pm - 12:40 pm
SEA
-
ALC
35h 45m
1 stop
Scandinavian Airlines Logo
10:40 am - 1:45 pm
ALC
-
SEA
36h 05m
2 stops
$637Scandinavian Airlines
Sat, Aug 29 - Fri, Sep 11
Condor Logo
6:10 pm - 7:15 pm
SEA
-
PMI
16h 05m
1 stop
Condor Logo
7:45 pm - 4:00 pm
PMI
-
SEA
29h 15m
1 stop
$673Condor
Mon, Aug 17 - Thu, Aug 27
Condor Logo
5:40 pm - 7:30 pm
SEA
-
PMI
16h 50m
1 stop
Condor Logo
8:15 pm - 4:35 pm
PMI
-
SEA
28h 20m
1 stop
$674Condor
Sun, Oct 11 - Sun, Oct 25
Lufthansa Logo
6:50 pm - 11:25 pm
SEA
-
BIO
19h 35m
1 stop
Lufthansa Logo
6:45 am - 12:20 pm
BIO
-
SEA
14h 35m
1 stop
$728Lufthansa
Wed, Oct 14 - Fri, Oct 23
Lufthansa Logo
4:10 pm - 5:15 pm
SEA
-
PMI
17h 05m
1 stop
Lufthansa Logo
11:45 am - 12:14 am
PMI
-
SEA
21h 29m
2 stops
$730Lufthansa
Wed, Oct 28 - Wed, Jan 20
British Airways Logo
8:20 pm - 7:35 pm
SEA
-
VLC
14h 15m
1 stop
British Airways Logo
11:25 am - 6:25 pm
VLC
-
SEA
16h 00m
1 stop
$732British Airways
Sun, Oct 18 - Wed, Oct 21
British Airways Logo
1:30 pm - 1:40 pm
SEA
-
PMI
15h 10m
1 stop
British Airways Logo
1:00 pm - 11:35 am
PMI
-
SEA
31h 35m
1 stop
$733British Airways
Sun, Sep 27 - Thu, Oct 1
Delta Logo
6:45 pm - 11:35 am
SEA
-
VLC
31h 50m
1 stop
Delta Logo
6:35 am - 4:39 pm
VLC
-
SEA
19h 04m
1 stop
$758Delta
Tue, Sep 15 - Fri, Oct 2
Delta Logo
12:36 pm - 4:35 pm
SEA
-
VLC
18h 59m
2 stops
Delta Logo
6:35 am - 11:37 am
VLC
-
SEA
14h 02m
1 stop
$766Delta
Tue, Aug 11 - Fri, Aug 21

Lufthansa flights from Seattle to Spain

Our best Lufthansa deals on Seattle to Spain flight tickets
Lufthansa
Oct 14
SEA6:50 pmSeattle/Tacoma Intl
19h 35m
1 stop
BIO11:25 pmBilbao
Oct 23
BIO6:45 amBilbao
14h 35m
1 stop
SEA12:20 pmSeattle/Tacoma Intl
$728
Lufthansa
Oct 28
SEA4:10 pmSeattle/Tacoma Intl
17h 05m
1 stop
PMI5:15 pmPalma de Mallorca Son Sant Joan
Jan 20
PMI11:45 amPalma de Mallorca Son Sant Joan
21h 29m
2 stops
SEA12:14 amSeattle/Tacoma Intl
$730
Lufthansa
Oct 28
SEA4:10 pmSeattle/Tacoma Intl
17h 05m
1 stop
PMI5:15 pmPalma de Mallorca Son Sant Joan
Jan 20
PMI6:00 pmPalma de Mallorca Son Sant Joan
27h 10m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$749

JetBlue flights from Seattle to Spain

Our best JetBlue deals on Seattle to Spain flight tickets
JetBlue
Sep 11
SEA11:55 pmSeattle/Tacoma Intl
26h 35m
1 stop
MAD11:30 amMadrid Barajas
Sep 23
MAD1:30 pmMadrid Barajas
18h 08m
1 stop
SEA10:38 pmSeattle/Tacoma Intl
$884
JetBlue
May 24
SEA11:35 amSeattle/Tacoma Intl
14h 55m
1 stop
MAD11:30 amMadrid Barajas
Jun 11
MAD2:05 pmMadrid Barajas
17h 44m
1 stop
SEA10:49 pmSeattle/Tacoma Intl
$1,076

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 May 10, 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

Cheapest round-trip

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sat 8/29

3:55 pm-12:40 pm

1 stop35h 45m

Alicante

Fri 9/11

12:25 pm-1:45 pm

1 stop34h 20m

$634

SeattleAlicante

SEA - ALC

SEAALC

Seattle/Tacoma Intl

Sat 8/29

3:55 pm-12:40 pm

1 stop35h 45m

Alicante

Fri 9/11

10:40 am-1:45 pm

2 stops36h 05m

$637

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Mon 8/17

6:10 pm-7:15 pm

1 stop16h 05m

Palma de Mallorca Son Sant Joan

Thu 8/27

7:45 pm-4:00 pm

1 stop29h 15m

$673

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 10/11

5:40 pm-7:30 pm

1 stop16h 50m

Palma de Mallorca Son Sant Joan

Sun 10/25

8:15 pm-4:35 pm

1 stop28h 20m

$674

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 10/14

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Fri 10/23

6:45 am-12:20 pm

1 stop14h 35m

$728

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Wed 10/28

4:10 pm-5:15 pm

1 stop17h 05m

Palma de Mallorca Son Sant Joan

Wed 1/20

11:45 am-12:14 am

2 stops21h 29m

$730
Quickest round-trip

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Sun 10/18

8:20 pm-7:35 pm

1 stop14h 15m

Valencia

Wed 10/21

11:25 am-6:25 pm

1 stop16h 00m

$732

SeattlePalma de Mallorca

SEA - PMI

SEAPMI

Seattle/Tacoma Intl

Sun 9/27

1:30 pm-1:40 pm

1 stop15h 10m

Palma de Mallorca Son Sant Joan

Thu 10/1

1:00 pm-11:35 am

1 stop31h 35m

$733

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 9/15

6:45 pm-11:35 am

1 stop31h 50m

Valencia

Fri 10/2

6:35 am-4:39 pm

1 stop19h 04m

$758

SeattleValencia

SEA - VLC

SEAVLC

Seattle/Tacoma Intl

Tue 8/11

12:36 pm-4:35 pm

2 stops18h 59m

Valencia

Fri 8/21

6:35 am-11:37 am

1 stop14h 02m

$766

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 February, then you should wait until January to fly from Seattle, when ticket prices are also cheap, with an average price of $351.

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

The cheapest day to depart from Seattle to Spain is on a Friday when prices can be found for as low as $879. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Spain for around $1,385.

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 from Seattle 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 $759 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 $660 on momondo.

Can stopping save me money on Seattle to Spain flights?

You could potentially save up to 34% 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

$708

Fastest flight time

10h 35m

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 $708. The best round-trip flight deal from Seattle to Spain found on momondo in the last 72 hours is $1,023.
The fastest flight from Seattle to Spain takes 10h 35m
Direct flights go from Seattle to Spain on Wednesday, Friday and Sunday. The only airline offering direct flights is Delta.
There are 239 airports in Spain. From Seattle there are direct flights to Barcelona-El Prat (BCN).

Frequently asked questions about flying from Seattle to Spain

  • 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 $123Free CancellationRating
7.1
2,973 reviews
Search JetBlue flights
IcelandairPriceFrom $367Free CancellationRating
7.0
652 reviews
Search Icelandair flights
Aer LingusPriceFrom $425Free CancellationRating
7.3
1,551 reviews
Search Aer Lingus flights
IberiaPriceFrom $439Free CancellationRating
7.0
3,214 reviews
Search Iberia flights
Scandinavian AirlinesPriceFrom $440Free CancellationRating
7.4
1,772 reviews
Search Scandinavian Airlines flights
Air FrancePriceFrom $471Free CancellationRating
7.4
1,585 reviews
Search Air France flights
United AirlinesPriceFrom $476Free CancellationRating
7.4
9,699 reviews
Search United Airlines flights
KLMPriceFrom $478Free CancellationRating
7.8
1,513 reviews
Search KLM flights
Air CanadaPriceFrom $478Free CancellationRating
7.1
11,017 reviews
Search Air Canada flights
British AirwaysPriceFrom $479Free CancellationRating
6.7
7,969 reviews
Search British Airways 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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1 adult
Tue 6/9
Tue 6/16

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