$442 Cheap Flights from Detroit (DTW) to Bilbao (BIO)

View $442 flight on Wed, Mar 18, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)

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Cheap Flights from Detroit to Bilbao (DTW-BIO)

Prices were available within the past 7 days and start at $442 for one-way flights and $544 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 28 - Fri, Aug 28
DTW
Detroit
BIO
Bilbao
$544 Roundtrip, found 5 days ago
$544
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 28 from Detroit to Bilbao, returning Fri, Aug 28, priced at $544 found 5 days ago
United
Tue, Jul 28 - Fri, Aug 28
DTW
Detroit
BIO
Bilbao
$550 Roundtrip, found 5 days ago
$550
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jul 28 from Detroit to Bilbao, returning Fri, Aug 28, priced at $550 found 5 days ago
Delta
Tue, Mar 31 - Thu, Apr 16
DTW
Detroit
BIO
Bilbao
$552 Roundtrip, found 6 days ago
$552
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 31 from Detroit to Bilbao, returning Thu, Apr 16, priced at $552 found 6 days ago
Delta
Tue, Mar 3 - Tue, Mar 31
DTW
Detroit
BIO
Bilbao
$555 Roundtrip, found 6 days ago
$555
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 3 from Detroit to Bilbao, returning Tue, Mar 31, priced at $555 found 6 days ago
Delta
Wed, Feb 11 - Wed, Mar 4
DTW
Detroit
BIO
Bilbao
$560 Roundtrip, found 6 days ago
$560
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Feb 11 from Detroit to Bilbao, returning Wed, Mar 4, priced at $560 found 6 days ago
United
Wed, Feb 11 - Tue, Feb 24
DTW
Detroit
BIO
Bilbao
$565 Roundtrip, found 6 days ago
$565
Roundtrip
found 6 days ago
Select United flight, departing Wed, Feb 11 from Detroit to Bilbao, returning Tue, Feb 24, priced at $565 found 6 days ago
Air Canada
Wed, Mar 4 - Tue, Mar 17
DTW
Detroit
BIO
Bilbao
$567 Roundtrip, found 6 days ago
$567
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Mar 4 from Detroit to Bilbao, returning Tue, Mar 17, priced at $567 found 6 days ago
Brussels Airlines
Wed, Mar 4 - Tue, Mar 17
DTW
Detroit
BIO
Bilbao
$571 Roundtrip, found 6 days ago
$571
Roundtrip
found 6 days ago
Select Brussels Airlines flight, departing Wed, Mar 4 from Detroit to Bilbao, returning Tue, Mar 17, priced at $571 found 6 days ago
Lufthansa
Mon, Feb 23 - Thu, Mar 5
DTW
Detroit
BIO
Bilbao
$575 Roundtrip, found 2 days ago
$575
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Mon, Feb 23 from Detroit to Bilbao, returning Thu, Mar 5, priced at $575 found 2 days ago
Iberia
Tue, Jul 28 - Fri, Aug 28
DTW
Detroit
BIO
Bilbao
$581 Roundtrip, found 5 days ago
$581
Roundtrip
found 5 days ago
Select Iberia flight, departing Tue, Jul 28 from Detroit to Bilbao, returning Fri, Aug 28, priced at $581 found 5 days ago

Alternative airports near Bilbao

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bilbao Airport BIO. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $1,154
BIO
Bilbao Airport
CheapestClosest
Average driving time to city center13 min
Flights from $1,154
Flights from Detroit (DTW) to Bilbao (BIO)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Bilbao
Airlines serving
Aer Lingus, Air Canada, Air Europa, Air France, American Airlines, Austrian Airlines, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, TAP Portugal, Turkish Airlines, United
Roundtrip price
$543
Distance
3910 mi

Detroit to Bilbao Flights

The cheapest times to fly from Detroit to Bilbao

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Bilbao are during the month of July. You can find some of the cheapest flights from Detroit to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Bilbao

Sunday is one of the best days to book for cheap flights from Detroit to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Bilbao

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Bilbao in 2026. You can also book with separate airlines for your outbound and return journeys, from $442 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO) cost?
Secure a cheap one-way flight from $442 or cheap return flight from $544 from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)?
The cheapest month to fly from DTW to BIO is July, when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from DTW to BIO. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)?
There are no daily direct flights from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from DTW to BIO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)?
Book a flight from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO) last-minute?
Last-minute fares from DTW to BIO are generally more expensive. To secure the best prices, start looking for flights as early as possible. That said, if you're flexible with your travel dates, you may find a cheap fare right before your trip.
Is it cheaper to book a DTW to BIO flight and hotel package?
Compared with arranging hotels and flights separately, booking a DTW to BIO flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Bilbao Airport (BIO)?
Typically, it's possible to cancel or reschedule your DTW to BIO flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.