What are the cheapest airlines flying from Detroit to Bilbao round-trip?

Cheapflights users have booked flights from Detroit to Bilbao round-trip from $605. Other airlines that can offer you cheap pricing are United Airlines, from $611, and Lufthansa, from $646.

What are the cheapest airlines to fly from Detroit to Bilbao one-way?

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $832. Users have also found prices from $1,004 and $1,030 on Finnair and Iberia, respectively.

What is the cheapest month to book a flight from Detroit to Bilbao?

Currently, January is the cheapest month in which you can book a flight from Detroit to Bilbao (average of $541). Flying from Detroit to Bilbao in June is currently the most expensive (average of $1,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Detroit to Bilbao?

Travelers seeking maximum savings on their Detroit to Bilbao flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Bilbao ranges from 2.4 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Bilbao when rainfall is around 2.4 in.

If weather is an important factor for your trip to Bilbao, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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

Monday is generally a great day to depart. Flying on this day could help you save up to 76%.

What is the cheapest time of day to fly from DTT to BIO?

One of the essential ways to save on airfare from Detroit to Bilbao is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 13% on airfare.

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.

$605+ Flights from Detroit to Bilbao

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Cheap flight deals from Detroit to Bilbao

Round-trip from	$605 (Delta)

From Detroit (DTT) to Bilbao

Search Deals

Find 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 July 2, 2025.

Mon 12/299:20 pmDTW - BIO

1 stop14h 00mDelta

Tue 1/137:20 amBIO - DTW

1 stop12h 30mDelta

Deal found 6/30

$605

Sun 12/286:00 amDTW - BIO

2 stops22h 50mUnited Airlines

Fri 1/912:50 pmBIO - DTW

2 stops27h 16mUnited Airlines

Deal found 6/30

$611

Sun 12/284:15 pmDTW - BIO

1 stop18h 25mLufthansa

Tue 1/1311:35 amBIO - DTW

2 stops18h 02mLufthansa

Deal found 6/30

$618

Fri 12/266:15 pmDTW - BIO

2 stops35h 50mAir Canada

Mon 1/1212:50 pmBIO - DTW

2 stops34h 46mAir Canada

Deal found 6/30

$678

Best flights from Detroit to Bilbao
Discover carefully curated flight deals from Detroit to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Mon 12/299:20 pmDTW - BIO

1 stop14h 00mDelta

Tue 1/137:20 amBIO - DTW

1 stop12h 30mDelta

Deal found 6/30

$605

Sun 12/286:00 amDTW - BIO

2 stops22h 50mUnited Airlines

Fri 1/912:50 pmBIO - DTW

2 stops27h 16mUnited Airlines

Deal found 6/30

$611

Sun 12/284:15 pmDTW - BIO

1 stop18h 25mLufthansa

Sun 1/116:40 amBIO - DTW

1 stop13h 15mLufthansa

Deal found 6/30

$646

Fri 12/266:15 pmDTW - BIO

2 stops35h 50mAir Canada

Mon 1/1212:50 pmBIO - DTW

2 stops34h 46mAir Canada

Deal found 6/30

$678

Sun 12/1410:03 amDTW - BIO

2 stops26h 37mScandinavian Airlines

Mon 12/297:30 pmBIO - DTW

2 stops32h 50mScandinavian Airlines

Deal found 7/2

$714

Last-minute flights from Detroit to Bilbao
Discover last-minute flight deals from Detroit to Bilbao. Data last updated July 2, 2025 and is based on user searches.

Mon 7/74:00 pmDTW - BIO

1 stop15h 20mLufthansa

Sun 9/76:45 amBIO - DTW

1 stop13h 25mLufthansa

Deal found 6/30

$1,313

Mon 7/79:55 amDTW - BIO

2 stops21h 25mAir Canada

Sun 9/76:45 amBIO - DTW

2 stops20h 44mAir Canada

Deal found 7/1

$1,333

Mon 7/79:00 pmDTW - BIO

1 stop38h 25mTurkish Airlines

Sun 9/76:30 pmBIO - DTW

1 stop30h 35mTurkish Airlines

Deal found 7/1

$1,353

Mon 7/74:25 pmDTW - BIO

1 stop12h 50mDelta

Sun 9/711:05 amBIO - DTW

2 stops17h 24mDelta

Deal found 7/1

$1,354

Fri 7/188:30 pmDTW - BIO

2 stops19h 10mMultiple Airlines

Tue 7/227:45 amBIO - DTW

2 stops30h 22mMultiple Airlines

Deal found 7/2

$1,001

Tue 7/224:25 pmDTW - BIO

1 stop12h 35mKLM

Wed 8/67:10 amBIO - DTW

1 stop12h 30mKLM

Deal found 6/30

$930

Tue 7/222:24 pmDTW - BIO

2 stops14h 36mDelta

Wed 8/67:10 amBIO - DTW

1 stop12h 30mDelta

Deal found 6/30

$935

Tue 7/224:25 pmDTW - BIO

1 stop12h 35mAir France

Wed 8/67:10 amBIO - DTW

1 stop12h 30mAir France

Deal found 7/2

$1,165

Tue 7/227:30 amDTW - BIO

2 stops22h 10mTAP AIR PORTUGAL

Wed 8/612:25 pmBIO - DTW

3 stops26h 23mTAP AIR PORTUGAL

Deal found 7/2

$1,335

Tue 7/298:50 amDTW - BIO

2 stops32h 35mUnited Airlines

Tue 8/56:45 amBIO - DTW

2 stops23h 14mUnited Airlines

Deal found 7/1

$851

One-way flights from Detroit to Bilbao
Search for one-way flight options from Detroit to Bilbao. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Sat 8/308:35 pmDTW - BIO

2 stops32h 30mUnited Airlines

Deal found 7/1

$832

Tue 7/295:12 pmDTW - BIO

2 stops24h 03mFinnair

Deal found 7/1

$1,004

Tue 7/2912:38 pmDTW - BIO

2 stops26h 12mIberia

Deal found 6/30

$1,030

Tue 7/294:25 pmDTW - BIO

1 stop12h 35mAir France

Deal found 6/30

$1,062

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 9/5

9:55 am-5:50 pm

2 stops25h 55m

Bilbao

Wed 9/10

6:45 am-9:29 pm

2 stops20h 44m

$731

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 9/5

4:00 pm-6:25 pm

1 stop20h 25m

Bilbao

Wed 9/10

6:45 am-9:29 pm

2 stops20h 44m

$735

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Tue 7/22

4:25 pm-11:00 am

1 stop12h 35m

Bilbao

Wed 8/6

7:10 am-1:40 pm

1 stop12h 30m

$930

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Tue 7/22

2:24 pm-11:00 am

2 stops14h 36m

Bilbao

Wed 8/6

7:10 am-1:40 pm

1 stop12h 30m

$935

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 7/18

8:30 pm-9:40 pm

2 stops19h 10m

Bilbao

Tue 7/22

7:45 am-8:07 am

2 stops30h 22m

$1,001

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Fri 9/5

5:45 pm-5:35 pm

2 stops17h 50m

Bilbao

Wed 9/10

12:25 pm-8:21 am

3 stops25h 56m

$1,185

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Mon 7/7

4:00 pm-1:20 pm

1 stop15h 20m

Bilbao

Sun 9/7

6:45 am-2:10 pm

1 stop13h 25m

$1,313

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Mon 7/7

9:00 pm-5:25 pm

1 stop38h 25m

Bilbao

Sun 9/7

6:30 pm-7:05 pm

1 stop30h 35m

$1,353

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Sat 8/30

8:35 pm-11:05 am

2 stops32h 30m

$832

DetroitBilbao

DTW - BIO

DTWBIO

Detroit Metropolitan Wayne County

Tue 7/29

5:12 pm-11:15 pm

2 stops24h 03m

$1,004

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results

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.

Reviews of airlines servicing Bilbao

See what other customers who have flown with Delta, Finnair, and Air France from Detroit to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,983 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,301 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,472 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Scandinavian Airlines

7.3

Good

1,415 reviews

Delta

8.0

Very good

7,983 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Detroit to Bilbao round-trip?
Cheapflights users have booked flights from Detroit to Bilbao round-trip from $605. Other airlines that can offer you cheap pricing are United Airlines, from $611, and Lufthansa, from $646.
What are the cheapest airlines to fly from Detroit to Bilbao one-way?
For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $832. Users have also found prices from $1,004 and $1,030 on Finnair and Iberia, respectively.
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.
What is the cheapest month to book a flight from Detroit to Bilbao?
Currently, January is the cheapest month in which you can book a flight from Detroit to Bilbao (average of $541). Flying from Detroit to Bilbao in June is currently the most expensive (average of $1,142). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Detroit to Bilbao

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$567	Average$963	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$569	Average$1,280	FlexibilityNo cancel fee	On-time75%

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$605+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Detroit to Bilbao with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Detroit to Bilbao

Round-trip from

Find flight deals from Detroit to Bilbao

Cheapest flights from Detroit to BilbaoExplore 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 July 2, 2025.

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 July 2, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Detroit to Bilbao that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Detroit to Bilbao

Reviews of airlines servicing Bilbao

Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated July 2, 2025.

See what other customers who have flown with Delta, Finnair, and Air France from Detroit to Bilbao have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

What are the cheapest airlines flying from Detroit to Bilbao round-trip?

What are the cheapest airlines to fly from Detroit to Bilbao one-way?

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

How can I find direct flights from Detroit to Bilbao?

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

What is the cheapest month to book a flight from Detroit to Bilbao?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Detroit to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Detroit to Bilbao

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Book with Flexibility

Travel Smart

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 July 2, 2025.