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Cheap flights from Seattle to Spain from $240

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 10/1. 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

Logo
6:40 pm - 9:55 pmSEA-MAD
19h 15m1 stop
Logo
7:05 am - 3:40 pmMAD-SEA
17h 35m1 stop
$394
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Mon, Oct 27 - Thu, Nov 6
Logo
5:05 pm - 9:55 pmSEA-MAD
19h 50m1 stop
Logo
7:05 am - 3:05 pmMAD-SEA
17h 00m1 stop
$413
Find Deal
Mon, Oct 13 - Fri, Oct 24
Lufthansa Logo
7:15 pm - 1:20 pmSEA-BIO
33h 05m2 stops
Lufthansa Logo
6:40 am - 1:10 pmBIO-SEA
14h 30m1 stop
$557Lufthansa
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Sun, Sep 28 - Tue, Oct 28
Lufthansa Logo
6:50 pm - 11:25 pmSEA-BIO
19h 35m1 stop
Lufthansa Logo
6:40 am - 1:10 pmBIO-SEA
14h 30m1 stop
$561Lufthansa
Find Deal
Sun, Sep 28 - Tue, Oct 28
British Airways Logo
10:11 am - 10:30 amSEA-BCN
15h 19m1 stop
British Airways Logo
2:00 pm - 10:16 pmBCN-SEA
17h 16m1 stop
$582British Airways
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Tue, Sep 23 - Fri, Oct 10
British Airways Logo
1:30 pm - 3:50 pmSEA-BCN
17h 20m1 stop
British Airways Logo
10:45 am - 12:27 amBCN-SEA
22h 42m1 stop
$583British Airways
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Wed, Oct 1 - Tue, Oct 14
KLM Logo
7:20 am - 2:10 pmSEA-IBZ
21h 50m2 stops
KLM Logo
10:45 am - 11:50 amIBZ-SEA
34h 05m1 stop
$873KLM
Find Deal
Tue, Nov 11 - Tue, Nov 18
KLM Logo
5:40 pm - 9:05 pmSEA-SVQ
18h 25m1 stop
KLM Logo
8:20 pm - 4:59 pmSVQ-SEA
29h 39m2 stops
$875KLM
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Thu, Sep 18 - Thu, Oct 2
Delta Logo
1:30 pm - 9:25 pmSEA-SVQ
22h 55m1 stop
Delta Logo
7:30 am - 10:01 pmSVQ-SEA
23h 31m2 stops
$1,066Delta
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Fri, Sep 12 - Fri, Sep 19
Delta Logo
11:15 am - 9:25 pmSEA-SVQ
25h 10m2 stops
Delta Logo
7:30 am - 10:01 pmSVQ-SEA
23h 31m2 stops
$1,071Delta
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Fri, Sep 12 - Fri, Sep 19

Air Canada flights from Seattle to Spain

Our best Air Canada deals on Seattle to Spain flight tickets
Air Canada
Sep 30
SEA7:15 amSeattle/Tacoma Intl
14h 25m
1 stop
MAD6:40 amMadrid Barajas
Oct 10
MAD12:45 pmMadrid Barajas
29h 36m
2 stops
SEA9:21 amSeattle/Tacoma Intl
$573
Find similar
Air Canada
Oct 27
SEA3:40 pmSeattle/Tacoma Intl
31h 20m
2 stops
MAD7:00 amMadrid Barajas
Nov 6
MAD5:55 amMadrid Barajas
22h 21m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$578
Find similar
Air Canada
Sep 27
SEA7:15 pmSeattle/Tacoma Intl
28h 05m
2 stops
MAD8:20 amMadrid Barajas
Oct 10
MAD12:45 pmMadrid Barajas
34h 31m
2 stops
SEA2:16 pmSeattle/Tacoma Intl
$579
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United Airlines flights from Seattle to Spain

Our best United Airlines deals on Seattle to Spain flight tickets
United Airlines
Sep 22
SEA3:19 pmSeattle/Tacoma Intl
30h 21m
2 stops
MAD6:40 amMadrid Barajas
Oct 8
MAD12:45 pmMadrid Barajas
15h 46m
1 stop
SEA7:31 pmSeattle/Tacoma Intl
$527
Find similar
United Airlines
Sep 22
SEA6:30 amSeattle/Tacoma Intl
17h 30m
1 stop
MAD9:00 amMadrid Barajas
Oct 8
MAD12:45 pmMadrid Barajas
15h 46m
1 stop
SEA7:31 pmSeattle/Tacoma Intl
$530
Find similar
United Airlines
Nov 4
SEA8:00 amSeattle/Tacoma Intl
15h 05m
1 stop
MAD8:05 amMadrid Barajas
Nov 14
MAD1:35 pmMadrid Barajas
42h 07m
2 stops
SEA10:42 pmSeattle/Tacoma Intl
$564
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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 July 31, 2025.
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

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 10/27

6:40 pm-9:55 pm

1 stop19h 15m

Madrid Barajas

Thu 11/6

7:05 am-3:40 pm

1 stop17h 35m

$394

SeattleMadrid

SEA - MAD

SEAMAD

Seattle/Tacoma Intl

Mon 10/13

5:05 pm-9:55 pm

1 stop19h 50m

Madrid Barajas

Fri 10/24

7:05 am-3:05 pm

1 stop17h 00m

$413

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 9/28

7:15 pm-1:20 pm

2 stops33h 05m

Bilbao

Tue 10/28

6:40 am-1:10 pm

1 stop14h 30m

$557

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sun 9/28

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Tue 10/28

6:40 am-1:10 pm

1 stop14h 30m

$561

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Tue 9/23

10:11 am-10:30 am

1 stop15h 19m

Barcelona-El Prat

Fri 10/10

2:00 pm-10:16 pm

1 stop17h 16m

$582

SeattleBarcelona

SEA - BCN

SEABCN

Seattle/Tacoma Intl

Wed 10/1

1:30 pm-3:50 pm

1 stop17h 20m

Barcelona-El Prat

Tue 10/14

10:45 am-12:27 am

1 stop22h 42m

$583

SeattleIbiza

SEA - IBZ

SEAIBZ

Seattle/Tacoma Intl

Tue 11/11

7:20 am-2:10 pm

2 stops21h 50m

Ibiza

Tue 11/18

10:45 am-11:50 am

1 stop34h 05m

$873

SeattleSeville

SEA - SVQ

SEASVQ

Seattle/Tacoma Intl

Thu 9/18

5:40 pm-9:05 pm

1 stop18h 25m

Sevilla

Thu 10/2

8:20 pm-4:59 pm

2 stops29h 39m

$875

SeattleSeville

SEA - SVQ

SEASVQ

Seattle/Tacoma Intl

Fri 9/12

1:30 pm-9:25 pm

1 stop22h 55m

Sevilla

Fri 9/19

7:30 am-10:01 pm

2 stops23h 31m

$1,066

SeattleSeville

SEA - SVQ

SEASVQ

Seattle/Tacoma Intl

Fri 9/12

11:15 am-9:25 pm

2 stops25h 10m

Sevilla

Fri 9/19

7:30 am-10:01 pm

2 stops23h 31m

$1,071

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 November, then you should wait until February to fly from Seattle, when ticket prices are also cheap, with an average price of $669.

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

The cheapest day to depart from Seattle to Spain is on a Monday when prices can be found for as low as $862. 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 $1,049.

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

Flying to Spain from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $888 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to Spain is at noon when prices are around $992.

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 $858 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 $720 on momondo.

Can stopping save me money on Seattle to Spain flights?

You could potentially save up to 35% 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

$240

Fastest flight time

12h 55m

Direct flights

None

Airports in Spain

9 airports
The best one-way flight to Spain from Seattle in the past 72 hours is $240. The best round-trip flight deal from Seattle to Spain found on momondo in the last 72 hours is $394.
The fastest flight from Seattle to Spain takes 12h 55m
There are no direct flights from Seattle to Spain. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Barcelona-El Prat Airport, Seattle/Tacoma Intl Airport - Madrid Barajas Airport and Seattle/Tacoma Intl Airport - Malaga Airport.
There are 9 airports near Spain: Ibiza (IBZ), Madrid Barajas (MAD), Bilbao (BIO), Malaga (AGP), Barcelona-El Prat (BCN), Palma de Mallorca Son Sant Joan (PMI), Jerez de la Frontera La Parra (XRY), Sevilla (SVQ), Vigo (VGO)
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  • 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.

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
2,914 reviews
Search JetBlue flights
IcelandairPriceFrom $414Free CancellationRating
7.0
520 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $465Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $478Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
Air CanadaPriceFrom $489Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
IberiaPriceFrom $507Free CancellationRating
7.0
2,859 reviews
Search Iberia flights
American AirlinesPriceFrom $518Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
United AirlinesPriceFrom $561Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
KLMPriceFrom $568Free CancellationRating
7.8
1,383 reviews
Search KLM 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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Find better results for your trip to Spain

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Popular flights according to clicks in the last 7 days on momondo
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