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Santander

$854+ Cheap flights from Seattle (SEA) to Santander (SDR)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SDR
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Seattle to Santander

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Santander (SDR). 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 April 30, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$1,279
(Mytrip)

One-way from

$854
(Cheapflightsfares)
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 Seattle/Tacoma Intl to Santander
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One-way flight from Seattle/Tacoma Intl to Santander
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Find flight deals from Seattle to Santander

Cheapest flights from Seattle to Santander
Explore the most affordable flight options available from Seattle to Santander. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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.
Thu 6/127:05 amSEA - SDR
3 stops45h 25mMultiple Airlines
Thu 6/198:55 amSDR - SEA
2 stops20h 33mMultiple Airlines
Deal found 4/28$1,279
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1211:44 amSEA - SDR
2 stops20h 21mAmerican Airlines
Thu 6/1910:05 amSDR - SEA
2 stops20h 29mAmerican Airlines
Deal found 4/28$1,391

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 April 30, 2025.
Use the filters below to find and compare flights from Seattle to Santander that are best for you.

Fly from

Seattle

Fly to

Santander

Route

Depart

Return

Price

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Thu 6/12

7:05 am-1:30 pm

3 stops45h 25m

Santander

Thu 6/19

8:55 am-8:28 pm

2 stops20h 33m

$1,279

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Thu 6/12

11:44 am-5:05 pm

2 stops20h 21m

Santander

Thu 6/19

10:05 am-9:34 pm

2 stops20h 29m

$1,391

SeattleSantander

SEA - SDR

SEASDR

Seattle/Tacoma Intl

Tue 5/20

1:40 pm-5:05 pm

2 stops18h 25m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

  • Most accurate provider: When it comes to deals on Seattle-Santander flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Seattle-Santander flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Seattle-Santander flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Santander flights, Cheapflights users trust Expedia the most. Expedia 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-Santander 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 Santander

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

Cheapflights Insights

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

Rainfall in Santander by month

Plan your trip to Santander by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santander ranges from 1.6 - 5.1 inches per month. November is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Santander when rainfall is around 1.6 in.

Temperature in Santander by month

Plan your trip to Santander by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santander, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Santander

Get insights into the airlines that provide service to Santander. 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 Santander. Reviews last updated April 30, 2025.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Iberia
7.0
Good
2,696 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Overall

7.2

Crew

8.0

Food

6.5

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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.

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