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Santiago de Compostela

$669+ Cheap flights from Seattle (SEA) to Santiago de Compostela (SCQ)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SCQ
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Seattle to Santiago de Compostela

Best flights from Seattle to Santiago de Compostela
Discover carefully curated flight deals from Seattle to Santiago de Compostela that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

This Iberia deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3010:59 amSEA - SCQ
2 stops25h 06mIberia
Tue 2/39:25 amSCQ - SEA
2 stops20h 31mIberia
Deal found 12/13$792
This KAYAK deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/38:00 amSEA - SCQ
2 stops20h 05mMultiple Airlines
Thu 4/169:20 amSCQ - SEA
2 stops19h 54mMultiple Airlines
Deal found 12/16$6,172

Find flight deals from Seattle to Santiago de Compostela

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Santiago de Compostela (SCQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$792
(Iberia)

One-way from

$669
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Santiago de Compostela flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santiago de Compostela flights.
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From Seattle/Tacoma Intl to Santiago de Compostela
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One-way flight from Seattle/Tacoma Intl to Santiago de Compostela
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Seattle to Santiago de Compostela that are best for you.

Fly from

Seattle

Fly to

Santiago de Compostela

Route

Depart

Return

Price

SeattleSantiago de Compostela

SEA - SCQ

SEASCQ

Seattle/Tacoma Intl

Fri 1/30

10:59 am-9:05 pm

2 stops25h 06m

Santiago de Compostela

Tue 2/3

9:25 am-8:56 pm

2 stops20h 31m

$792

SeattleSantiago de Compostela

SEA - SCQ

SEASCQ

Seattle/Tacoma Intl

Fri 4/3

8:00 am-1:05 pm

2 stops20h 05m

Santiago de Compostela

Thu 4/16

9:20 am-8:14 pm

2 stops19h 54m

$6,172

SeattleSantiago de Compostela

SEA - SCQ

SEASCQ

Seattle/Tacoma Intl

Fri 5/22

7:00 pm-10:50 am

3 stops30h 50m

$669

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Compare providers for flights from Seattle to Santiago de Compostela

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Santiago de Compostela in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Santiago de Compostela flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Santiago de Compostela flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Santiago de Compostela flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Santiago de Compostela flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Santiago de Compostela flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Santiago de Compostela

Have a flexible travel schedule? Discover the best time to fly to Santiago de Compostela from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Santiago de Compostela

Get insights into the airlines that provide service to Santiago de Compostela. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de Compostela. Reviews last updated December 16, 2025.
See what other customers who have flown with American Airlines and Aer Lingus from Seattle to Santiago de Compostela have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Aer Lingus
7.2
Good
1,392 reviews
American Airlines
7.2
Good
11,047 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Seattle to Santiago de Compostela. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Santiago de Compostela?

    Departing from Seattle to Santiago de Compostela will take you 25h 06m. Airlines will cover a distance of 5005 mi.

  • What are the cheapest airlines flying from Seattle to Santiago de Compostela round-trip?

    Flying on American Airlines is currently your cheapest option to Santiago de Compostela, with prices starting at $745. Another option worth looking into is Aer Lingus, starting at $1,630 round trip.

  • Can I find deals for flights from Seattle to Santiago de Compostela that include hotel bookings?

    Yes. In addition to deals on Seattle to Santiago de Compostela flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Santiago de Compostela?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Santiago de Compostela.

  • Can I find deals for business class flights from Seattle to Santiago de Compostela?

    Yes. Cheapflights offers flight deals from Seattle to Santiago de Compostela by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Seattle to Santiago de Compostela

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Vigo flights
Seattle to A Coruña flights
Portland to A Coruña flights
Portland to Vigo flights

Top 2 airlines flying from Seattle to Santiago de Compostela

Discover the top 2 airlines that operate flights from Seattle to Santiago de Compostela. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$745Average$1,556FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$1,630Average$1,649FlexibilityNo cancel feeOn-timeN/A

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