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$625+ Cheap flights from Detroit (DTT) to Bilbao (BIO)

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — BIO
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Cheap flight deals from Detroit to Bilbao

Cheapest flights from Detroit to Bilbao
Explore the most affordable flight options available from Detroit to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:49 pmDTW - BIO
2 stops38h 21mUnited Airlines
Tue 12/2311:35 amBIO - DTW
2 stops42h 03mUnited Airlines
Deal found 12/6$1,833

Find flight deals from Detroit to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Bilbao (BIO). 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 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$625
(Delta)
Provider with most accurate pricing for Detroit (DTT)-Bilbao flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Bilbao flights.
Search Deals
From Detroit (DTT) to Bilbao
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Bilbao 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 8, 2025.
Use the filters below to find and compare flights from Detroit to Bilbao that are best for you.

Fly from

Detroit

Fly to

Bilbao

Route

Depart

Return

Price

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Mon 1/26

4:45 pm-5:20 pm

2 stops18h 35m

Bilbao

Mon 2/2

7:25 am-1:45 pm

1 stop12h 20m

$625

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 3/6

8:05 pm-4:10 pm

1 stop38h 05m

Bilbao

Fri 3/20

12:00 pm-7:10 pm

1 stop36h 10m

$637

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 3/6

7:04 am-11:20 am

2 stops22h 16m

Bilbao

Fri 3/20

6:50 am-8:01 pm

2 stops18h 11m

$638

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 3/6

8:05 pm-4:10 pm

1 stop38h 05m

Bilbao

Fri 3/20

9:05 pm-7:10 pm

2 stops27h 05m

$744

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Sun 3/1

6:15 pm-4:40 pm

2 stops16h 25m

Bilbao

Fri 3/6

6:50 pm-1:55 pm

2 stops49h 05m

$765

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Sun 3/1

4:15 pm-4:40 pm

1 stop18h 25m

Bilbao

Fri 3/6

11:35 am-1:55 pm

2 stops56h 20m

$776

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Mon 2/23

8:05 pm-4:10 pm

1 stop38h 05m

Bilbao

Fri 2/27

12:00 pm-6:10 pm

1 stop36h 10m

$938

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Mon 2/23

10:28 am-11:05 pm

2 stops30h 37m

Bilbao

Fri 2/27

6:45 am-2:15 pm

1 stop13h 30m

$1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/7

Compare providers for flights from Detroit to Bilbao

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

Have a flexible travel schedule? Discover the best time to fly to Bilbao 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 Bilbao
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 Bilbao. 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 Bilbao?

    For as low as $625, Delta can have you in Bilbao from Detroit in 18h 35m. Airlines will cover a distance of 3908 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Detroit to Bilbao round-trip?

    Cheapflights users have booked flights from Detroit to Bilbao round-trip from $691.

  • Can I find deals for flights from Detroit to Bilbao that include hotel bookings?

    Yes. In addition to deals on Detroit to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Bilbao?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Bilbao.

  • Can I find deals for business class flights from Detroit to Bilbao?

    Yes. Cheapflights offers flight deals from Detroit to Bilbao by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Detroit to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Bilbao flights
O'Hare Intl to San Sebastian flights
Detroit to Bilbao flights
Detroit to San Sebastian flights
Midway to Bilbao flights

Top airline flying from Detroit to Bilbao

Discover the top airline that operate flights from Detroit to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$691Average$1,259FlexibilityNo cancel feeOn-time75%

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