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Cheap flights from Detroit to San Sebastian from $1,650

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 10/31. 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

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American Airlines Logo
10:37 am - 8:40 amDTW-EAS
41h 03m2 stops
American Airlines Logo
1:40 pm - 7:14 pmEAS-DTW
35h 34m2 stops
$1,650American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
3:57 pm - 8:50 pmDTW-EAS
23h 53m2 stops
American Airlines Logo
1:40 pm - 11:21 pmEAS-DTW
39h 41m2 stops
$1,706American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
1:07 pm - 8:40 amDTW-EAS
38h 33m2 stops
American Airlines Logo
1:40 pm - 11:21 pmEAS-DTW
39h 41m2 stops
$1,707American Airlines
Find Deal
Fri, Oct 31 - Tue, Nov 4

American Airlines flights from Detroit to San Sebastian

Our best American Airlines deals on Detroit to San Sebastian flight tickets
American Airlines
Oct 31
DTW10:37 amDetroit Metropolitan Wayne County
41h 03m
2 stops
EAS8:40 amSan Sebastián
Nov 4
EAS1:40 pmSan Sebastián
35h 34m
2 stops
DTW7:14 pmDetroit Metropolitan Wayne County
$1,650
Find similar
American Airlines
Oct 31
DTW3:57 pmDetroit Metropolitan Wayne County
23h 53m
2 stops
EAS8:50 pmSan Sebastián
Nov 4
EAS1:40 pmSan Sebastián
39h 41m
2 stops
DTW11:21 pmDetroit Metropolitan Wayne County
$1,706
Find similar
American Airlines
Oct 31
DTW1:07 pmDetroit Metropolitan Wayne County
38h 33m
2 stops
EAS8:40 amSan Sebastián
Nov 4
EAS1:40 pmSan Sebastián
39h 41m
2 stops
DTW11:21 pmDetroit Metropolitan Wayne County
$1,707
Find similar

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 October 13, 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

Fri 10/31

10:37 am-8:40 am

2 stops41h 03m

San Sebastián

Tue 11/4

1:40 pm-7:14 pm

2 stops35h 34m

$1,650

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Fri 10/31

3:57 pm-8:50 pm

2 stops23h 53m

San Sebastián

Tue 11/4

1:40 pm-11:21 pm

2 stops39h 41m

$1,706

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Fri 10/31

1:07 pm-8:40 am

2 stops38h 33m

San Sebastián

Tue 11/4

1:40 pm-11:21 pm

2 stops39h 41m

$1,707

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Detroit to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to San Sebastian?

KLM, Delta and Air France are the top three most popular airlines that fly to San Sebastian from Detroit according to our data. KLM is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 3 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

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. 23h 53m 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.

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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