$449 Cheap Flights from Tulsa (TUL) to Bilbao (BIO)

View $449 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from Tulsa International Airport (TUL) to Bilbao Airport (BIO)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Tulsa to Bilbao (TUL-BIO)

Prices were available within the past 7 days and start at $449 for one-way flights and $718 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 24 - Wed, Dec 31
TUL
Tulsa
BIO
Bilbao
$718 Roundtrip, found 3 days ago
$718
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Wed, Dec 31, priced at $718 found 3 days ago
United
Wed, Dec 24 - Sun, Dec 28
TUL
Tulsa
BIO
Bilbao
$773 Roundtrip, found 20 hours ago
$773
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Sun, Dec 28, priced at $773 found 20 hours ago
United
Tue, Aug 4 - Tue, Aug 11
TUL
Tulsa
BIO
Bilbao
$802 Roundtrip, found 5 days ago
$802
Roundtrip
found 5 days ago
Select United flight, departing Tue, Aug 4 from Tulsa to Bilbao, returning Tue, Aug 11, priced at $802 found 5 days ago
United
Wed, Dec 24 - Wed, Dec 31
TUL
Tulsa
BIO
Bilbao
$802 Roundtrip, found 3 days ago
$802
Roundtrip
found 3 days ago
Select United flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Wed, Dec 31, priced at $802 found 3 days ago
Lufthansa
Wed, Aug 26 - Wed, Sep 2
TUL
Tulsa
BIO
Bilbao
$806 Roundtrip, found 5 days ago
$806
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Wed, Aug 26 from Tulsa to Bilbao, returning Wed, Sep 2, priced at $806 found 5 days ago
Delta
Wed, Dec 24 - Wed, Dec 31
TUL
Tulsa
BIO
Bilbao
$807 Roundtrip, found 3 days ago
$807
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Wed, Dec 31, priced at $807 found 3 days ago
British Airways
Tue, Aug 4 - Tue, Aug 11
TUL
Tulsa
BIO
Bilbao
$825 Roundtrip, found 5 days ago
$825
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Aug 4 from Tulsa to Bilbao, returning Tue, Aug 11, priced at $825 found 5 days ago
Air France
Wed, Dec 24 - Tue, Dec 30
TUL
Tulsa
BIO
Bilbao
$844 Roundtrip, found 1 day ago
$844
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Tue, Dec 30, priced at $844 found 1 day ago
Iberia
Wed, Oct 15 - Wed, Oct 22
TUL
Tulsa
BIO
Bilbao
$847 Roundtrip, found 5 days ago
$847
Roundtrip
found 5 days ago
Select Iberia flight, departing Wed, Oct 15 from Tulsa to Bilbao, returning Wed, Oct 22, priced at $847 found 5 days ago
Air France
Wed, Dec 24 - Wed, Dec 31
TUL
Tulsa
BIO
Bilbao
$866 Roundtrip, found 3 days ago
$866
Roundtrip
found 3 days ago
Select Air France flight, departing Wed, Dec 24 from Tulsa to Bilbao, returning Wed, Dec 31, priced at $866 found 3 days ago
Flights from Tulsa (TUL) to Bilbao (BIO)
Origin airport
Tulsa Intl.
Destination airport
Bilbao
Airlines serving
Air France, American Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, United
Roundtrip price
$718
Distance
4698 mi

Tulsa to Bilbao Flights

The cheapest times to fly from Tulsa 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 Tulsa to Bilbao are during the month of December. You can find some of the cheapest flights from Tulsa to Bilbao with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Tulsa to Bilbao

Sunday is one of the best days to book for cheap flights from Tulsa 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 Tulsa 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 Tulsa to Bilbao in 2025. You can also book with separate airlines for your outbound and return journeys, from $449 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 Tulsa 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 Tulsa 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 Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO) cost?
Grab a cheap one-way flight from $449 or cheap return flight from $718 from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO)?
Flying in December can help you save, as it's the cheapest month for flights between TUL and BIO. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO)?
To find the cheapest airline that'll fly you from TUL to BIO, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO)?
You'll have to catch a flight with a layover if you're traveling from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from TUL to BIO?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO)?
Opt for a flight from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time have a 22% higher chance of being canceled, on average.**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 Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO) last-minute?
Last-minute fares from TUL to BIO are typically more expensive. To secure the best rates, start looking for flights early. That said, if you're flexible with your travel plans, you may land a cheap ticket right before your trip.
Is it cheaper to book a TUL to BIO flight and hotel package?
You can save money by booking a TUL to BIO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Tulsa Intl. Airport (TUL) to Bilbao Airport (BIO)?
In most cases, you can modify or cancel your TUL to BIO flight. However, there may be additional fees, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you need further details, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.