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Cheap flights from Spain to Seattle from $345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spain to Seattle departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Spain to Seattle

Recent round-trip flight deals from Spain to Seattle

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
9:50 am - 11:59 pm
MAD
-
SEA
23h 09m
1 stop
Virgin Atlantic Logo
10:40 pm - 9:55 am
SEA
-
MAD
26h 15m
1 stop
$420Virgin Atlantic
Tue, Sep 8 - Mon, Sep 21
Virgin Atlantic Logo
9:50 am - 8:42 pm
MAD
-
SEA
19h 52m
2 stops
Virgin Atlantic Logo
6:00 am - 12:15 pm
SEA
-
MAD
21h 15m
2 stops
$480Virgin Atlantic
Tue, Sep 8 - Mon, Sep 21
Condor Logo
8:00 am - 4:00 pm
BCN
-
SEA
17h 00m
1 stop
Condor Logo
5:40 pm - 10:10 pm
SEA
-
BCN
19h 30m
1 stop
$549Condor
Fri, Oct 16 - Sun, Oct 18
Condor Logo
10:15 am - 4:00 pm
BCN
-
SEA
14h 45m
1 stop
Condor Logo
6:05 pm - 10:10 pm
SEA
-
BCN
19h 05m
1 stop
$571Condor
Thu, Sep 3 - Tue, Sep 15
Multiple Airlines Logo
10:15 am - 8:40 pm
MAD
-
SEA
19h 25m
2 stops
Multiple Airlines Logo
3:40 pm - 9:40 pm
SEA
-
MAD
21h 00m
2 stops
$611Multiple Airlines
Tue, Sep 8 - Mon, Sep 21
Multiple Airlines Logo
10:15 am - 8:40 pm
MAD
-
SEA
19h 25m
2 stops
Multiple Airlines Logo
7:00 pm - 8:30 pm
SEA
-
MAD
16h 30m
2 stops
$616Multiple Airlines
Tue, Sep 8 - Fri, Sep 11
Delta Logo
6:50 am - 7:23 pm
BIO
-
SEA
21h 33m
2 stops
Delta Logo
11:15 am - 5:25 pm
SEA
-
BIO
21h 10m
2 stops
$790Delta
Sat, Dec 12 - Sat, Jan 16
Delta Logo
6:45 am - 11:47 am
BIO
-
SEA
14h 02m
1 stop
Delta Logo
6:00 am - 9:50 am
SEA
-
BIO
18h 50m
2 stops
$812Delta
Wed, Sep 2 - Sun, Sep 13
British Airways Logo
1:00 pm - 6:25 pm
PMI
-
SEA
14h 25m
1 stop
British Airways Logo
6:15 am - 7:35 pm
SEA
-
PMI
28h 20m
2 stops
$821British Airways
Thu, Sep 17 - Mon, Sep 21
British Airways Logo
1:00 pm - 6:25 pm
PMI
-
SEA
14h 25m
1 stop
British Airways Logo
3:10 pm - 7:35 pm
SEA
-
PMI
19h 25m
2 stops
$822British Airways
Thu, Oct 1 - Mon, Oct 5

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American Airlines flights from Spain to Seattle

Our best American Airlines deals on Spain to Seattle flight tickets
American Airlines
Nov 24
PMI6:25 amPalma de Mallorca Son Sant Joan
23h 34m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
Jan 12
SEA7:00 amSeattle/Tacoma Intl
20h 50m
2 stops
PMI12:50 pmPalma de Mallorca Son Sant Joan
$801
American Airlines
Nov 24
PMI9:05 amPalma de Mallorca Son Sant Joan
21h 13m
2 stops
SEA9:18 pmSeattle/Tacoma Intl
Jan 12
SEA8:35 amSeattle/Tacoma Intl
19h 15m
2 stops
PMI12:50 pmPalma de Mallorca Son Sant Joan
$802
American Airlines
Nov 24
PMI6:25 amPalma de Mallorca Son Sant Joan
23h 34m
2 stops
SEA8:59 pmSeattle/Tacoma Intl
Jan 12
SEA7:34 amSeattle/Tacoma Intl
21h 21m
2 stops
PMI1:55 pmPalma de Mallorca Son Sant Joan
$803

British Airways flights from Spain to Seattle

Our best British Airways deals on Spain to Seattle flight tickets
British Airways
Sep 17
PMI11:20 amPalma de Mallorca Son Sant Joan
16h 05m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
Sep 21
SEA1:30 pmSeattle/Tacoma Intl
21h 05m
1 stop
PMI7:35 pmPalma de Mallorca Son Sant Joan
$818
British Airways
Sep 17
PMI1:00 pmPalma de Mallorca Son Sant Joan
14h 25m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
Sep 21
SEA6:15 amSeattle/Tacoma Intl
28h 20m
2 stops
PMI7:35 pmPalma de Mallorca Son Sant Joan
$821
British Airways
Oct 1
PMI1:00 pmPalma de Mallorca Son Sant Joan
14h 25m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
Oct 5
SEA3:10 pmSeattle/Tacoma Intl
19h 25m
2 stops
PMI7:35 pmPalma de Mallorca Son Sant Joan
$822

momondo Fare Finder

 
Customize your flight search to find flights from Spain to Seattle 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 June 24, 2026.
Use the filters below to find and compare flights from Spain to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 9/8

9:50 am-11:59 pm

1 stop23h 09m

Seattle/Tacoma Intl

Mon 9/21

10:40 pm-9:55 am

1 stop26h 15m

$420

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 9/8

9:50 am-8:42 pm

2 stops19h 52m

Seattle/Tacoma Intl

Mon 9/21

6:00 am-12:15 pm

2 stops21h 15m

$480

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Fri 10/16

8:00 am-4:00 pm

1 stop17h 00m

Seattle/Tacoma Intl

Sun 10/18

5:40 pm-10:10 pm

1 stop19h 30m

$549

BarcelonaSeattle

BCN - SEA

BCNSEA

Barcelona-El Prat

Thu 9/3

10:15 am-4:00 pm

1 stop14h 45m

Seattle/Tacoma Intl

Tue 9/15

6:05 pm-10:10 pm

1 stop19h 05m

$571

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 9/8

10:15 am-8:40 pm

2 stops19h 25m

Seattle/Tacoma Intl

Mon 9/21

3:40 pm-9:40 pm

2 stops21h 00m

$611

MadridSeattle

MAD - SEA

MADSEA

Madrid Barajas

Tue 9/8

10:15 am-8:40 pm

2 stops19h 25m

Seattle/Tacoma Intl

Fri 9/11

7:00 pm-8:30 pm

2 stops16h 30m

$616

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Sat 12/12

6:50 am-7:23 pm

2 stops21h 33m

Seattle/Tacoma Intl

Sat 1/16

11:15 am-5:25 pm

2 stops21h 10m

$790
Quickest round-trip

BilbaoSeattle

BIO - SEA

BIOSEA

Bilbao

Wed 9/2

6:45 am-11:47 am

1 stop14h 02m

Seattle/Tacoma Intl

Sun 9/13

6:00 am-9:50 am

2 stops18h 50m

$812

Palma de MallorcaSeattle

PMI - SEA

PMISEA

Palma de Mallorca Son Sant Joan

Thu 9/17

1:00 pm-6:25 pm

1 stop14h 25m

Seattle/Tacoma Intl

Mon 9/21

6:15 am-7:35 pm

2 stops28h 20m

$821

Palma de MallorcaSeattle

PMI - SEA

PMISEA

Palma de Mallorca Son Sant Joan

Thu 10/1

1:00 pm-6:25 pm

1 stop14h 25m

Seattle/Tacoma Intl

Mon 10/5

3:10 pm-7:35 pm

2 stops19h 25m

$822

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 Seattle from

How to get the cheapest flight ticket from Spain to Seattle

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 Seattle?

In general, December is the cheapest month to fly from Spain to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $85. If you don’t want to visit Seattle in December, then you should wait until July to fly from Spain, when ticket prices are also cheap, with an average price of $270.

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

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

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

You are more likely to see cheaper flights to Seattle from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $954 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Spain for as low as $823 on momondo.

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

There are 2 cabin classes available to choose from on Spain to Seattle 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 Spain to Seattle flights?

You could potentially save up to 18% on your flight if you consider stops on a Spain to Seattle flight.

Cheap Spain to Seattle flight deals and tips

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

Best Price Found

$1,132

Fastest flight time

11h 15m

Direct flights

Mon, Thu and Sat

Airports in Seattle

1 airport
The best one-way flight to Seattle from Spain in the past 72 hours is $1,132. The best round-trip flight deal from Spain to Seattle found on momondo in the last 72 hours is $1,024.
The fastest flight from Spain to Seattle takes 11h 15m
Direct flights go from Spain to Seattle on Monday, Thursday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Seattle. From Spain there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Spain to Seattle

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

    Prices for flights from Spain to Seattle/Tacoma Intl Airport were last updated today.

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

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

    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 Spain to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport 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 Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Spain to Seattle

Compare and see reviews for airlines that fly from Spain to Seattle with momondo
Airline
Rating
Free Cancellation
Price
CondorPriceFrom $600Free CancellationRating
6.5
463 reviews
Search Condor flights
British AirwaysPriceFrom $662Free CancellationRating
6.7
8,067 reviews
Search British Airways flights
DeltaPriceFrom $760Free CancellationRating
7.8
8,427 reviews
Search Delta flights
LufthansaPriceFrom $777Free CancellationRating
6.8
8,090 reviews
Search Lufthansa flights
Air FrancePriceFrom $1,022Free CancellationRating
7.5
1,613 reviews
Search Air France flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Spain to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Spain to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Spain to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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