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$573+ Cheap flights from Washington to San Sebastian (EAS)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — EAS
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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Cheap flight deals from Washington to San Sebastian

Keep the following information in mind while searching for Washington to San Sebastian flight deals. Data was last updated August 7, 2025.

Round-trip from

$820
(Iberia)

One-way from

$573
(Iberia)
From Washington to San Sebastián
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One-way flight from Washington to San Sebastián
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Find flight deals from Washington to San Sebastian

Cheapest flights from Washington to San Sebastian
Explore the most affordable flight options available from Washington to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This Iberia deal was found by Cheapflights users on 8/6. 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 10/312:35 pmSEA - EAS
2 stops22h 15mIberia
Tue 11/49:30 pmEAS - SEA
2 stops34h 48mIberia
Deal found 8/6$820
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Mon 9/223:45 pmSEA - EAS
3 stops31h 45mMultiple Airlines
Mon 9/298:50 amEAS - SEA
3 stops20h 50mMultiple Airlines
Deal found 8/7$877
This Ovago deal was found by Cheapflights users on 8/7. 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.
Mon 9/226:05 amSEA - EAS
2 stops21h 55mIberia
Mon 9/299:30 pmEAS - SEA
2 stops32h 26mIberia
Deal found 8/7$966
This American Airlines deal was found by Cheapflights users on 8/5. 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 10/3012:34 amSEA - EAS
2 stops36h 16mAmerican Airlines
Tue 11/49:20 amEAS - SEA
2 stops20h 19mAmerican Airlines
Deal found 8/5$1,011
This Ovago deal was found by Cheapflights users on 8/6. 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 8/217:44 amSEA - EAS
2 stops39h 56mIberia
Tue 9/29:20 amEAS - SEA
2 stops20h 17mIberia
Deal found 8/6$1,185
This Ovago deal was found by Cheapflights users on 8/7. 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.
Sat 10/251:53 pmSEA - EAS
2 stops46h 57mMultiple Airlines
Mon 11/39:30 pmEAS - SEA
2 stops30h 44mMultiple Airlines
Deal found 8/7$1,757

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to San Sebastian 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 August 7, 2025.
Use the filters below to find and compare flights from Washington to San Sebastian that are best for you.

Fly from

Washington

Fly to

San Sebastian

Route

Depart

Return

Price

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Fri 10/31

2:35 pm-8:50 pm

2 stops22h 15m

San Sebastián

Tue 11/4

9:30 pm-11:18 pm

2 stops34h 48m

$820

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Mon 9/22

3:45 pm-8:30 am

3 stops31h 45m

San Sebastián

Mon 9/29

8:50 am-8:40 pm

3 stops20h 50m

$877

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Mon 9/22

6:05 am-1:00 pm

2 stops21h 55m

San Sebastián

Mon 9/29

9:30 pm-8:56 pm

2 stops32h 26m

$966

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 10/30

12:34 am-8:50 pm

2 stops36h 16m

San Sebastián

Tue 11/4

9:20 am-8:39 pm

2 stops20h 19m

$1,011

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 8/21

7:44 am-8:40 am

2 stops39h 56m

San Sebastián

Tue 9/2

9:20 am-8:37 pm

2 stops20h 17m

$1,185

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Sat 10/25

1:53 pm-9:50 pm

2 stops46h 57m

San Sebastián

Mon 11/3

9:30 pm-7:14 pm

2 stops30h 44m

$1,757

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Sat 10/25

6:10 am-2:00 pm

2 stops22h 50m

$573

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Best time to book a flight from Washington to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian 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 San Sebastian

What is the cheapest time of day to fly from WA to EAS?

Find hourly flight availability from Washington to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2025.

When flying from State of Washington to San Sebastian, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. 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 San Sebastian. Reviews last updated August 7, 2025.
Read reviews from past customers who have flown American Airlines and Iberia from Washington to San Sebastian. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Iberia
7.0
Good
2,866 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

Related info for your journey

Find useful and relevant information for your journey from Washington to San Sebastian. 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 San Sebastian from Washington?

    For a flight from Washington to San Sebastian, you will be flying into San Sebastián. San Sebastián (EAS) is just 9.7 mi from the center of the city.

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

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

  • How can I find direct flights from Washington to San Sebastian?

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

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

    Yes. Cheapflights offers flight deals from Washington to San Sebastian 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 Washington to San Sebastian

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