$1,004+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — EAS
Feb 28 — Mar 71
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Detroit to San Sebastian
Cheapest flights from Detroit to San SebastianExplore the most affordable flight options available from Detroit to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Detroit to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 8/296:00 am
DTW
- EAS
2 stops20h 40m
American Airlines
Sat 9/129:20 am
EAS
- DTW
2 stops19h 34m
American Airlines
Deal found 1/27![American Airlines logo]()
$1,004
This Iberia deal was found by Cheapflights users on 1/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/510:30 am
DTW
- EAS
2 stops20h 30m
Iberia
Mon 3/99:20 am
EAS
- DTW
2 stops16h 39m
Iberia
Deal found 1/28![Iberia logo]()
$1,294
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,294 (Iberia) |
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 January 29, 2026.
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 3/5
10:30 am-1:00 pm
2 stops20h 30m
San Sebastián
Mon 3/9
9:20 am-8:59 pm
2 stops16h 39m
$1,294
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 January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Detroit-San Sebastian flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-San Sebastian flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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
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