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Cheap flights from Detroit to San Sebastian from $1,101

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to San Sebastian departing on 12/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:57 am - 8:40 amDTW-EAS
15h 43m2 stops
American Airlines Logo
9:20 am - 8:00 pmEAS-DTW
16h 40m2 stops
$1,101American Airlines
Find Deal
mer., déc. 3 - dim., déc. 7
Multiple Airlines Logo
12:48 pm - 8:50 pmDTW-EAS
26h 02m2 stops
Multiple Airlines Logo
9:20 am - 11:00 pmEAS-DTW
19h 40m2 stops
$1,377Multiple Airlines
Find Deal
lun., janv. 5 - mer., mai 27

momondo 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, momondo users made 832,500 searches. Data last updated novembre 17, 2025.
Use the filters below to find and compare flights from Detroit to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

mer. 12/3

10:57 am-8:40 am

2 stops15h 43m

San Sebastián

dim. 12/7

9:20 am-8:00 pm

2 stops16h 40m

$1,101

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

lun. 1/5

12:48 pm-8:50 pm

2 stops26h 02m

San Sebastián

mer. 5/27

9:20 am-11:00 pm

2 stops19h 40m

$1,377

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Detroit to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to San Sebastian (DTT to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to San Sebastian

Direct flights

None
There are no direct flights from Detroit to San Sebastian. There are no popular flight routes from Detroit to San Sebastian.
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  • How far is Detroit to San Sebastián by plane?

    San Sebastián is 3931.8 mi away from Detroit. 15h 43m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Detroit to San Sebastián Airport?

    Prices for flights from Detroit to San Sebastián Airport were last updated today.

  • How old do you have to be to fly from Detroit to San Sebastián Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from Detroit to San Sebastian?

    Price Alerts will notify you by email when the price for flights to San Sebastian from Detroit decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Detroit to San Sebastian with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Irun
Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to San Sebastian?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Detroit to San Sebastian. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Detroit to San Sebastian with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Sebastian from Detroit with this policy.

How can momondo help me find flights from Detroit to San Sebastian?

momondo helps you find the best flight between Detroit and San Sebastian by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Detroit to San Sebastian right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Detroit to San Sebastian now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Sebastian and let you know when they change.

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1 adult
mer. 12/17
mer. 12/24
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