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Cheap flights from Detroit to San Sebastian from $849

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.
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Cheap round-trip flights

Iberia Logo
1:07 pm - 1:00 pmDTW-EAS
18h 53m2 stops
Iberia Logo
9:20 am - 7:12 pmEAS-DTW
15h 52m2 stops
$849Iberia
Find Deal
Fri, Oct 31 - Tue, Nov 4
American Airlines Logo
1:01 pm - 1:00 pmDTW-EAS
17h 59m2 stops
American Airlines Logo
9:20 am - 8:07 pmEAS-DTW
16h 47m2 stops
$931American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
American Airlines Logo
2:28 pm - 8:40 amDTW-EAS
36h 12m2 stops
American Airlines Logo
1:40 pm - 9:42 pmEAS-DTW
38h 02m2 stops
$988American Airlines
Find Deal
Fri, Sep 19 - Thu, Sep 25
American Airlines Logo
6:33 pm - 8:40 amDTW-EAS
56h 07m2 stops
American Airlines Logo
1:40 pm - 9:42 pmEAS-DTW
38h 02m2 stops
$995American Airlines
Find Deal
Thu, Sep 18 - Thu, Sep 25
Iberia Logo
1:04 pm - 8:50 pmDTW-EAS
25h 46m2 stops
Iberia Logo
9:30 pm - 6:47 pmEAS-DTW
27h 17m2 stops
$1,007Iberia
Find Deal
Mon, Sep 22 - Tue, Sep 30
Iberia Logo
12:39 pm - 1:00 pmDTW-EAS
42h 21m2 stops
Iberia Logo
9:30 pm - 6:47 pmEAS-DTW
27h 17m2 stops
$1,016Iberia
Find Deal
Tue, Sep 23 - Tue, Sep 30
American Airlines Logo
6:14 am - 8:40 amDTW-EAS
20h 26m2 stops
American Airlines Logo
9:20 am - 9:48 pmEAS-DTW
18h 28m2 stops
$1,035American Airlines
Find Deal
Thu, Sep 18 - Wed, Sep 24
Iberia Logo
1:04 pm - 8:50 pmDTW-EAS
25h 46m2 stops
Iberia Logo
9:30 pm - 6:47 pmEAS-DTW
27h 17m2 stops
$1,044Iberia
Find Deal
Sun, Sep 21 - Tue, Sep 30
Iberia Logo
7:18 pm - 8:50 pmDTW-EAS
43h 32m2 stops
Iberia Logo
9:30 pm - 6:47 pmEAS-DTW
27h 17m2 stops
$1,050Iberia
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Sat, Sep 20 - Tue, Sep 30
Logo
8:30 pm - 8:25 amDTW-EAS
29h 55m3 stops
Logo
5:55 pm - 8:14 pmEAS-DTW
32h 19m3 stops
$1,258
Find Deal
Thu, Sep 18 - Tue, Sep 23

Iberia flights from Detroit to San Sebastian

Our best Iberia deals on Detroit to San Sebastian flight tickets
Iberia
Oct 31
DTW1:07 pmDetroit Metropolitan Wayne County
18h 53m
2 stops
EAS1:00 pmSan Sebastián
Nov 4
EAS9:20 amSan Sebastián
15h 52m
2 stops
DTW7:12 pmDetroit Metropolitan Wayne County
$849
Find similar
Iberia
Sep 22
DTW1:04 pmDetroit Metropolitan Wayne County
25h 46m
2 stops
EAS8:50 pmSan Sebastián
Sep 30
EAS9:30 pmSan Sebastián
27h 17m
2 stops
DTW6:47 pmDetroit Metropolitan Wayne County
$1,007
Find similar
Iberia
Sep 23
DTW12:39 pmDetroit Metropolitan Wayne County
42h 21m
2 stops
EAS1:00 pmSan Sebastián
Sep 30
EAS9:30 pmSan Sebastián
27h 17m
2 stops
DTW6:47 pmDetroit Metropolitan Wayne County
$1,016
Find similar

American Airlines flights from Detroit to San Sebastian

Our best American Airlines deals on Detroit to San Sebastian flight tickets
American Airlines
Dec 3
DTW1:01 pmDetroit Metropolitan Wayne County
17h 59m
2 stops
EAS1:00 pmSan Sebastián
Dec 7
EAS9:20 amSan Sebastián
16h 47m
2 stops
DTW8:07 pmDetroit Metropolitan Wayne County
$931
Find similar
American Airlines
Sep 19
DTW2:28 pmDetroit Metropolitan Wayne County
36h 12m
2 stops
EAS8:40 amSan Sebastián
Sep 25
EAS1:40 pmSan Sebastián
38h 02m
2 stops
DTW9:42 pmDetroit Metropolitan Wayne County
$988
Find similar
American Airlines
Sep 18
DTW6:33 pmDetroit Metropolitan Wayne County
56h 07m
2 stops
EAS8:40 amSan Sebastián
Sep 25
EAS1:40 pmSan Sebastián
38h 02m
2 stops
DTW9:42 pmDetroit Metropolitan Wayne County
$995
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 August 28, 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

1:07 pm-1:00 pm

2 stops18h 53m

San Sebastián

Tue 11/4

9:20 am-7:12 pm

2 stops15h 52m

$849

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Wed 12/3

1:01 pm-1:00 pm

2 stops17h 59m

San Sebastián

Sun 12/7

9:20 am-8:07 pm

2 stops16h 47m

$931

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Fri 9/19

2:28 pm-8:40 am

2 stops36h 12m

San Sebastián

Thu 9/25

1:40 pm-9:42 pm

2 stops38h 02m

$988

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Thu 9/18

6:33 pm-8:40 am

2 stops56h 07m

San Sebastián

Thu 9/25

1:40 pm-9:42 pm

2 stops38h 02m

$995

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Mon 9/22

1:04 pm-8:50 pm

2 stops25h 46m

San Sebastián

Tue 9/30

9:30 pm-6:47 pm

2 stops27h 17m

$1,007

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Tue 9/23

12:39 pm-1:00 pm

2 stops42h 21m

San Sebastián

Tue 9/30

9:30 pm-6:47 pm

2 stops27h 17m

$1,016

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Thu 9/18

6:14 am-8:40 am

2 stops20h 26m

San Sebastián

Wed 9/24

9:20 am-9:48 pm

2 stops18h 28m

$1,035

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Sun 9/21

1:04 pm-8:50 pm

2 stops25h 46m

San Sebastián

Tue 9/30

9:30 pm-6:47 pm

2 stops27h 17m

$1,044

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Sat 9/20

7:18 pm-8:50 pm

2 stops43h 32m

San Sebastián

Tue 9/30

9:30 pm-6:47 pm

2 stops27h 17m

$1,050

DetroitSan Sebastian

DTW - EAS

DTWEAS

Detroit Metropolitan Wayne County

Thu 9/18

8:30 pm-8:25 am

3 stops29h 55m

San Sebastián

Tue 9/23

5:55 pm-8:14 pm

3 stops32h 19m

$1,258

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

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, Air France and Delta 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 35% 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. 15h 10m 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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