Cheap Flights from Bilbao (BIO) to Tri-Cities (TRI)

Popular airlines from Bilbao Airport (BIO) to Tri-Cities, TN (TRI-Tri-Cities Regional)

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Frequently asked questions

How much does a flight from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI) cost?
Secure a cheap one-way flight or cheap return flight from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between BIO and TRI. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI)?
To find the cheapest airline flying from BIO to TRI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI)?
You'll have to book a flight with a layover when traveling from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from BIO to TRI?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI)?
Choose a flight from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures 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 Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI) last-minute?
Holding off until just before your trip to book your flight from BIO to TRI generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for a better chance of getting a bargain.
Is it cheaper to book a BIO to TRI flight and hotel package?
Booking a BIO to TRI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bilbao Airport (BIO) to Tri-Cities Regional Airport (TRI)?
In most instances, you can reschedule or cancel your BIO to TRI flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
Bilbao
Destination airport
Tri-Cities Regional
Distance
4079 mi

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Bilbao to Tri-Cities Flights

The cheapest times to fly from Bilbao to Tri-Cities

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 Bilbao to Tri-Cities are during the month of . You can find some of the cheapest flights from Bilbao to Tri-Cities with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Bilbao to Tri-Cities

Sunday is one of the best days to book for cheap flights from Bilbao to Tri-Cities: 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 Bilbao to Tri-Cities

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 Bilbao to Tri-Cities in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Bilbao to Tri-Cities 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 Bilbao to Tri-Cities 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.

 

Bilbao to Tri-Cities Flights
*Available to One Key members.