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$1,376+ Cheap flights from Detroit (DTT) 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.
DTT — EAS
Jan 9 — Jan 161
Fri 1/9
Fri 1/16
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 10, 2025.

This Iberia deal was found by Cheapflights users on 12/8. 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 stops25h 42mIberia
Mon 2/239:20 amEAS - DTW
2 stops17h 48mIberia
Deal found 12/8$1,376

Find flight deals from Detroit to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,376
(Iberia)
Provider with most accurate pricing for Detroit (DTT)-San Sebastián flight deals.
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Provider most trusted by Cheapflights users for Detroit (DTT)-San Sebastián flights.
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From Detroit (DTT) 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 10, 2025.
Use the filters below to find and compare flights from Detroit 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-8:50 pm

2 stops25h 42m

San Sebastián

Mon 2/23

9:20 am-9:08 pm

2 stops17h 48m

$1,376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Compare providers for flights from Detroit to San Sebastian

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 Detroit to San Sebastian in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Detroit-San Sebastian flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-San Sebastian flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-San Sebastian 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 Detroit-San Sebastian 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 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.

Cheapflights Insights

Everything you need to know about your flight from Detroit to San Sebastian
No data available for this route at this time. Please check back soon.

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 to San Sebastian?

    Airlines like Iberia fly from Detroit to San Sebastian in about 25h 42m. The time it takes to get you to your destination can typically vary by up to . Detroit and San Sebastian are separated by a distance of 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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