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$1,859+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to San Sebastian (EAS)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — EAS
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Detroit to San Sebastian

Best flights from Detroit to San Sebastian
Discover carefully curated flight deals from Detroit to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

This Iberia deal was found by Cheapflights users on 12/12. 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.
Thu 2/191:08 pmDTW - EAS
2 stops17h 52mIberia
Mon 2/239:20 amEAS - DTW
2 stops17h 48mIberia
Deal found 12/12$1,859

Find flight deals from Detroit to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to San Sebastian (EAS). 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 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,159
(Iberia)
Provider with most accurate pricing for Detroit (DTT)-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-San Sebastián flights.
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From Detroit Metropolitan Wayne County to San Sebastián
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit 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 December 15, 2025.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to San Sebastian that are best for you.

Fly from

Detroit

Fly to

San Sebastian

Route

Depart

Return

Price

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Thu 2/19

1:08 pm-1:00 pm

2 stops17h 52m

San Sebastián

Mon 2/23

9:20 am-9:08 pm

2 stops17h 48m

$1,859

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/12

Best time to book a flight from Detroit to San Sebastian

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

Related info for your journey

Find useful and relevant information for your journey from Detroit to San Sebastian. 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 Detroit Metropolitan Wayne County Airport to San Sebastian?

    A quick flight from Detroit Metropolitan Wayne County Airport to San Sebastian can take about 17h 52m. Iberia provides one of the quickest options available for as low as $1,859. The distance between Detroit Metropolitan Wayne County Airport and San Sebastian is about 3956 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Detroit 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.

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