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Santander

$592+ Cheap flights from Washington to Santander (SDR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDR
Nov 25 — Dec 21
Tue 11/25
Tue 12/2
1 adult, Economy
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Cheap flight deals from Washington to Santander

Keep the following information in mind while searching for Washington to Santander flight deals. Data was last updated October 26, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$592
(Expedia)
Provider with most accurate pricing for Seattle/Tacoma Intl-Santander flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santander flights.
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From Washington to Santander
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Find flight deals from Washington to Santander

Cheapest flights from Washington to Santander
Explore the most affordable flight options available from Washington to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 26, 2025.

This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:31 amSEA - SDR
2 stops22h 49mIberia
Tue 12/169:00 amSDR - SEA
2 stops23h 38mIberia
Deal found 10/25$592
This Expedia deal was found by Cheapflights users on 10/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:50 pmSEA - SDR
2 stops28h 30mMultiple Airlines
Mon 12/156:30 amSDR - SEA
2 stops24h 20mMultiple Airlines
Deal found 10/23$699
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/93:10 pmSEA - SDR
3 stops32h 00mMultiple Airlines
Tue 12/165:30 pmSDR - SEA
3 stops33h 50mMultiple Airlines
Deal found 10/25$876
This Travelocity deal was found by Cheapflights users on 10/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/221:35 pmSEA - SDR
2 stops33h 45mMultiple Airlines
Tue 12/25:40 pmSDR - SEA
2 stops57h 10mMultiple Airlines
Deal found 10/25$903
This Ovago deal was found by Cheapflights users on 10/24. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:35 amSEA - SDR
2 stops37h 15mMultiple Airlines
Thu 11/279:00 amSDR - SEA
2 stops16h 55mMultiple Airlines
Deal found 10/24$1,600
This Ovago deal was found by Cheapflights users on 10/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/211:07 amSEA - SDR
2 stops22h 43mIberia
Tue 12/25:40 pmSDR - SEA
2 stops36h 33mIberia
Deal found 10/25$1,607
This Iberia deal was found by Cheapflights users on 10/24. 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.
Wed 11/1912:59 amSEA - SDR
2 stops46h 51mIberia
Thu 11/279:00 amSDR - SEA
2 stops35h 30mIberia
Deal found 10/24$1,697

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Santander 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 October 26, 2025.
Use the filters below to find and compare flights from Washington to Santander that are best for you.

Fly from

Washington

Fly to

Santander

Route

Depart

Return

Price

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Tue 12/9

7:15 am-5:10 pm

2 stops24h 55m

Santander

Tue 12/16

9:00 am-9:13 pm

2 stops21h 13m

$592

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Mon 12/8

6:50 pm-8:20 am

2 stops28h 30m

Santander

Mon 12/15

6:30 am-9:50 pm

2 stops24h 20m

$699

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Tue 12/9

3:10 pm-8:10 am

3 stops32h 00m

Santander

Tue 12/16

5:30 pm-6:20 pm

3 stops33h 50m

$876

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Sat 11/22

1:35 pm-8:20 am

2 stops33h 45m

Santander

Tue 12/2

5:40 pm-5:50 pm

2 stops57h 10m

$903

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Wed 3/11

7:00 am-5:10 pm

2 stops26h 10m

Santander

Sun 3/15

5:40 pm-5:55 pm

2 stops32h 15m

$964

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Sun 3/8

7:51 am-8:20 am

2 stops16h 29m

Santander

Tue 3/17

9:00 am-5:55 pm

2 stops16h 55m

$1,372

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Thu 11/20

10:35 am-8:50 am

2 stops37h 15m

Santander

Thu 11/27

9:00 am-4:55 pm

2 stops16h 55m

$1,600

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Best time to book a flight from Washington to Santander

Have a flexible travel schedule? Discover the best time to fly to Santander from Washington 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.

Cheapflights Insights

Everything you need to know about your flight from Washington to Santander

What is the cheapest month to book a flight from State of Washington to Santander?

Currently, October is the cheapest month in which you can book a flight from State of Washington to Santander (average of $505). Flying from State of Washington to Santander in June is currently the most expensive (average of $1,288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly into for flights to Santander from Washington?

    If you book a flight to Santander from Washington, you will be flying to Santander, which is the city’s only airport. Santander (SDR) is located 2.5 mi from the center of Santander.

  • How long is the flight from State of Washington to Santander?

    For as low as $592, Iberia can have you in Santander from State of Washington in 24h 55m. The distance between State of Washington and Santander is about 5124 mi.

  • Can I find deals for flights from Washington to Santander that include hotel bookings?

    Yes. In addition to deals on Washington to Santander flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Santander?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Santander.

  • Can I find deals for business class flights from Washington to Santander?

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

  • What is the cheapest month to book a flight from State of Washington to Santander?

    Currently, October is the cheapest month in which you can book a flight from State of Washington to Santander (average of $505). Flying from State of Washington to Santander in June is currently the most expensive (average of $1,288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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