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Cheap flights from Seattle to Santiago de Compostela from $365

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 Santiago de Compostela departing on 9/20. 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 Seattle to Santiago de Compostela

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
7:51 am - 8:40 amSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
39h 49m2 stops Dallas/Fort Worth Madrid Barajas
Iberia Logo
9:45 pm - 6:25 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
29h 40m2 stops Barcelona-El Prat London Heathrow
$999Iberia
Sat, Sep 19 - Mon, Sep 28
Iberia Logo
6:45 pm - 9:50 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
18h 05m2 stops London Heathrow Barcelona-El Prat
Iberia Logo
6:45 am - 4:50 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
19h 05m2 stops Barcelona-El Prat London Heathrow
$1,007Iberia
Sun, Dec 6 - Thu, Dec 10
Finnair Logo
8:15 am - 9:00 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
27h 45m2 stops Dallas/Fort Worth Madrid Barajas
Finnair Logo
1:40 pm - 10:57 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
42h 17m2 stops Madrid Barajas Dallas/Fort Worth
$1,011Finnair
Sun, Dec 6 - Thu, Dec 10
Multiple Airlines Logo
3:55 pm - 10:00 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
21h 05m3 stops Kastrup Copenhagen Oslo Gardermoen London Heathrow
Multiple Airlines Logo
12:20 pm - 1:45 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
34h 25m3 stops Barcelona-El Prat London Heathrow Kastrup Copenhagen
$1,068Multiple Airlines
Sat, Sep 19 - Mon, Sep 28
Multiple Airlines Logo
8:38 am - 1:05 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
19h 27m2 stops Washington, D.C. Dulles Intl Madrid Barajas
Multiple Airlines Logo
4:50 pm - 5:10 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
33h 20m1 stop Dublin
$1,090Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Iberia Logo
8:38 am - 1:05 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
19h 27m2 stops Washington, D.C. Dulles Intl Madrid Barajas
Iberia Logo
5:30 pm - 5:10 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
32h 40m2 stops Barcelona-El Prat Dublin
$1,099Iberia
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
8:38 am - 9:05 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
27h 27m2 stops Washington, D.C. Dulles Intl Madrid Barajas
Multiple Airlines Logo
4:50 pm - 8:21 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
36h 31m2 stops Dublin Dallas/Fort Worth
$1,103Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Multiple Airlines Logo
11:57 pm - 4:10 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
31h 13m2 stops Chicago O'Hare Intl Dublin
Multiple Airlines Logo
9:45 pm - 11:35 amSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
46h 50m2 stops Barcelona-El Prat London Heathrow
$1,115Multiple Airlines
Sat, Sep 19 - Mon, Sep 28
Multiple Airlines Logo
3:40 pm - 10:00 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
21h 20m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
9:45 pm - 6:45 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
30h 00m3 stops Barcelona-El Prat Dublin Calgary
$1,119Multiple Airlines
Sat, Sep 19 - Mon, Sep 28
Multiple Airlines Logo
8:38 am - 1:05 pmSEA  Seattle/Tacoma Intl-SCQ Santiago de Compostela
19h 27m2 stops Washington, D.C. Dulles Intl Madrid Barajas
Multiple Airlines Logo
4:50 pm - 5:10 pmSCQ  Santiago de Compostela-SEA Seattle/Tacoma Intl
33h 20m1 stop Dublin
$1,130Multiple Airlines
Tue, Sep 1 - Mon, Sep 7

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Iberia flights from Seattle to Santiago de Compostela

Our best Iberia deals on Seattle to Santiago de Compostela flight tickets
Iberia
Sep 19
SEA7:51 amSeattle/Tacoma Intl
39h 49m
2 stops
SCQ8:40 amSantiago de Compostela
Sep 28
SCQ9:45 pmSantiago de Compostela
29h 40m
2 stops
SEA6:25 pmSeattle/Tacoma Intl
$999
Iberia
Dec 6
SEA6:45 pmSeattle/Tacoma Intl
18h 05m
2 stops
SCQ9:50 pmSantiago de Compostela
Dec 10
SCQ6:45 amSantiago de Compostela
19h 05m
2 stops
SEA4:50 pmSeattle/Tacoma Intl
$1,007
Iberia
Aug 12
SEA2:07 pmSeattle/Tacoma Intl
21h 58m
2 stops
SCQ9:05 pmSantiago de Compostela
Aug 17
SCQ11:25 amSantiago de Compostela
57h 10m
2 stops
SEA11:35 amSeattle/Tacoma Intl
$1,041

KLM flights from Seattle to Santiago de Compostela

Our best KLM deals on Seattle to Santiago de Compostela flight tickets
KLM
Aug 12
SEA5:45 pmSeattle/Tacoma Intl
13h 15m
1 stop
SCQ4:00 pmSantiago de Compostela
Aug 17
SCQ4:30 pmSantiago de Compostela
32h 57m
1 stop
SEA4:27 pmSeattle/Tacoma Intl
$1,239
KLM
Aug 12
SEA9:53 amSeattle/Tacoma Intl
21h 07m
2 stops
SCQ4:00 pmSantiago de Compostela
Aug 17
SCQ4:30 pmSantiago de Compostela
32h 57m
1 stop
SEA4:27 pmSeattle/Tacoma Intl
$1,244
KLM
Aug 12
SEA9:53 amSeattle/Tacoma Intl
21h 07m
2 stops
SCQ4:00 pmSantiago de Compostela
Aug 17
SCQ4:30 pmSantiago de Compostela
33h 07m
2 stops
SEA4:37 pmSeattle/Tacoma Intl
$1,255

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Santiago de Compostela 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 August 7, 2026.
Use the filters below to find and compare flights from Seattle to Santiago de Compostela that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sat 9/19

7:51 am-8:40 am

2 stops39h 49m

Santiago de Compostela

Mon 9/28

9:45 pm-6:25 pm

2 stops29h 40m

$999
Quickest round-trip

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sun 12/6

6:45 pm-9:50 pm

2 stops18h 05m

Santiago de Compostela

Thu 12/10

6:45 am-4:50 pm

2 stops19h 05m

$1,007

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sun 12/6

8:15 am-9:00 pm

2 stops27h 45m

Santiago de Compostela

Thu 12/10

1:40 pm-10:57 pm

2 stops42h 17m

$1,011

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sat 9/19

3:55 pm-10:00 pm

3 stops21h 05m

Santiago de Compostela

Mon 9/28

12:20 pm-1:45 pm

3 stops34h 25m

$1,068

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Tue 9/1

8:38 am-1:05 pm

2 stops19h 27m

Santiago de Compostela

Mon 9/7

4:50 pm-5:10 pm

1 stop33h 20m

$1,090

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Tue 9/1

8:38 am-1:05 pm

2 stops19h 27m

Santiago de Compostela

Mon 9/7

5:30 pm-5:10 pm

2 stops32h 40m

$1,099

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Tue 9/1

8:38 am-9:05 pm

2 stops27h 27m

Santiago de Compostela

Mon 9/7

4:50 pm-8:21 pm

2 stops36h 31m

$1,103

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sat 9/19

11:57 pm-4:10 pm

2 stops31h 13m

Santiago de Compostela

Mon 9/28

9:45 pm-11:35 am

2 stops46h 50m

$1,115

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Sat 9/19

3:40 pm-10:00 pm

2 stops21h 20m

Santiago de Compostela

Mon 9/28

9:45 pm-6:45 pm

3 stops30h 00m

$1,119

SeattleSantiago de Compostela

SEA Seattle/Tacoma Intl - SCQ Santiago de Compostela

SEASCQ

Seattle/Tacoma Intl

Tue 9/1

8:38 am-1:05 pm

2 stops19h 27m

Santiago de Compostela

Mon 9/7

4:50 pm-5:10 pm

1 stop33h 20m

$1,130

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Santiago de Compostela from

How to get the cheapest flight ticket from Seattle to Santiago de Compostela

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 airline that flies from Seattle/Tacoma Intl to Santiago de Compostela?

SWISS is the most popular carrier operating from Seattle/Tacoma Intl to Santiago de Compostela

When to book flights from Seattle to Santiago de Compostela

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Santiago de Compostela according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Santiago de Compostela (SEA to SCQ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Santiago de Compostela

Fastest flight time

13h 15m

Direct flights

None
The fastest flight from Seattle to Santiago de Compostela takes 13h 15m
There are no direct flights from Seattle to Santiago de Compostela. There are no popular flight routes from Seattle to Santiago de Compostela.
Search flight deals

Frequently asked questions about flying from Seattle to Santiago de Compostela

  • How far is Seattle/Tacoma Intl to Santiago de Compostela by plane?

    A flight from Seattle/Tacoma Intl to Santiago de Compostela will travel around 4995.0 mi. Flights usually cover this in 13h 15m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Santiago de Compostela Airport are updated daily.

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

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Santiago de Compostela 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 Seattle/Tacoma Intl Airport to Santiago de Compostela Airport.

  • What documentation or ID do you need to fly to Santiago de Compostela Airport?

    The travel and health documents you'll need for your trip to Santiago de Compostela Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago de Compostela Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Santiago de Compostela?

Best airlines flying from Seattle to Santiago de Compostela

Compare and see reviews for airlines that fly from Seattle to Santiago de Compostela with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $745Free CancellationRating
7.1
11,873 reviews
Search American Airlines flights
IberiaPriceFrom $1,039Free CancellationRating
7.0
3,264 reviews
Search Iberia flights

Traveling to a place near Santiago de Compostela?

Book flights to Santiago de Compostela if you plan to visit one of these locations
Fisterra
Lugo
Sarria

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Santiago de Compostela?

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 Santiago de Compostela from Seattle.

Can I find flights from Seattle to Santiago de Compostela with flexible booking policies on momondo?

Flights from Seattle to Santiago de Compostela 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 Seattle to Santiago de Compostela?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santiago de Compostela from Seattle.

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

Yes. momondo can track prices for Seattle to Santiago de Compostela flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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