How long is the flight from Boise to Bilbao?

Airlines like United Airlines fly from Boise to Bilbao in about 20h 15m. The time it takes to get you to your destination can typically vary by up to . Boise and Bilbao are separated by a distance of 5157 mi.

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

Currently priced at $570, United Airlines will fly you from Boise to Bilbao and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $617 and $1,145, respectively. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.

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 are the most popular airlines that fly from Boise to Bilbao?

Before booking your flight from Boise to Bilbao check out the most popular airlines for this route: Delta, KLM or United Airlines.

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

Most trusted provider : When it comes to deals on Boise-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 Boise-Bilbao flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Boise to Bilbao?

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

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

Yes. Cheapflights offers flight deals from Boise 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.

$477+ Flights from Boise to Bilbao

Q: How much does it cost to fly round-trip from Boise to Bilbao?

Airfare is below average for this route at the moment. Boise to Bilbao flights typically cost between $1,187 and $2,146 in January. The cheapest round-trip price found within the last 3 days was $477 on Multiple Airlines (Jan 18-Jan 27).

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3. Compare prices and book

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Cheap flight deals from Boise to Bilbao

Best flights from Boise to Bilbao
Discover carefully curated flight deals from Boise to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Sun 1/1811:20 amBOI - BIO

2 stops22h 00mMultiple Airlines

Tue 1/276:50 amBIO - BOI

2 stops22h 05mMultiple Airlines

Deal found 12/15

$477

Fri 2/67:05 pmBOI - BIO

2 stops20h 15mUnited Airlines

Tue 2/1011:35 amBIO - BOI

2 stops36h 35mUnited Airlines

Deal found 12/15

$489

Sun 1/1812:19 pmBOI - BIO

2 stops21h 46mLufthansa

Tue 1/2711:35 amBIO - BOI

2 stops38h 32mLufthansa

Deal found 12/15

$490

Fri 1/3010:15 amBOI - BIO

2 stops29h 05mUnited Airlines

Fri 2/611:35 amBIO - BOI

2 stops31h 58mUnited Airlines

Deal found 12/15

$489

Last-minute flights from Boise to Bilbao
Discover last-minute flight deals from Boise to Bilbao. Data last updated December 18, 2025 and is based on user searches.

Sun 1/1811:20 amBOI - BIO

2 stops22h 00mMultiple Airlines

Tue 1/276:50 amBIO - BOI

2 stops22h 05mMultiple Airlines

Deal found 12/15

$477

Sun 1/1812:19 pmBOI - BIO

2 stops21h 46mLufthansa

Tue 1/2711:35 amBIO - BOI

2 stops38h 32mLufthansa

Deal found 12/15

$490

Fri 1/3010:15 amBOI - BIO

2 stops29h 05mUnited Airlines

Fri 2/611:35 amBIO - BOI

2 stops31h 58mUnited Airlines

Deal found 12/15

$489

One-way flights from Boise to Bilbao
Search for one-way flight options from Boise to Bilbao. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sun 5/101:15 pmBOI - BIO

2 stops19h 15mKLM

Deal found 12/17

$632

Sun 5/107:31 amBOI - BIO

2 stops30h 34mMultiple Airlines

Deal found 12/16

$643

Find flight deals from Boise to Bilbao

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$477 (Air France)
Popular in	December
Cheapest in	November
Average price	$1,666

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Bilbao flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Bilbao flights.

Search Deals

From Boise Air Term. Gowen Fld to Bilbao

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($62 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 1/18

11:20 am-5:20 pm

2 stops22h 00m

Bilbao

Tue 1/27

6:50 am-8:55 pm

2 stops22h 05m

$477

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Fri 2/6

7:05 pm-11:20 pm

2 stops20h 15m

Bilbao

Tue 2/10

11:35 am-4:10 pm

2 stops36h 35m

$489

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Fri 1/30

10:15 am-11:20 pm

2 stops29h 05m

Bilbao

Fri 2/6

11:35 am-11:33 am

2 stops31h 58m

$489

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 1/18

12:19 pm-6:05 pm

2 stops21h 46m

Bilbao

Tue 1/27

11:35 am-6:07 pm

2 stops38h 32m

$490

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 5/10

1:15 pm-4:30 pm

2 stops19h 15m

$632

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 5/10

7:31 am-10:05 pm

2 stops30h 34m

$643

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Compare providers for flights from Boise to Bilbao

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Bilbao in December.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

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

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

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

One of the essential ways to save on airfare from Boise to Bilbao is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 62% on airfare.

How much does it cost to fly round-trip from Boise to Bilbao?

Reviews of airlines servicing Bilbao

Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Boise to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Delta

7.9

Good

8,008 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

KLM

7.7

Good

1,428 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,092 reviews

Delta

7.9

Good

8,008 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Boise to Bilbao?
Airlines like United Airlines fly from Boise to Bilbao in about 20h 15m. The time it takes to get you to your destination can typically vary by up to . Boise and Bilbao are separated by a distance of 5157 mi.
What are the cheapest airlines flying from Boise to Bilbao round-trip?
Currently priced at $570, United Airlines will fly you from Boise to Bilbao and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and KLM - these airlines can fly you to your destination from $617 and $1,145, respectively. United Airlines is 45% cheaper than the average price of flights available within the next 90 days to this destination.
Can I find deals for flights from Boise to Bilbao that include hotel bookings?
Yes. In addition to deals on Boise to Bilbao flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boise to Bilbao?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Bilbao.
Can I find deals for business class flights from Boise to Bilbao?
Yes. Cheapflights offers flight deals from Boise 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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Top 3 airlines flying from Boise to Bilbao

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$570	Average$746	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$617	Average$1,317	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$1,145	Average$1,317	FlexibilityNo cancel fee	On-time75%

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$477+ Cheap flights from Boise (BOI) 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Bilbao with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Boise to Bilbao

Best flights from Boise to BilbaoDiscover carefully curated flight deals from Boise to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Discover carefully curated flight deals from Boise to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Find flight deals from Boise to Bilbao

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Boise 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 Boise to Bilbao in December.

Best time to book a flight from Boise to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Boise with our price prediction graph.

Cheapflights Insights

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

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

How much does it cost to fly round-trip from Boise to Bilbao?

Reviews of airlines servicing Bilbao

Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Boise to Bilbao to help guide your decision. You can also see how each airline stacks up 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 Boise 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 Boise to Bilbao?

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

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

How can I find direct flights from Boise to Bilbao?

Can I find deals for business class flights from Boise 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.

Other flights to Bilbao

Explore flights to Bilbao departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on December 18, 2025.

Top 3 airlines flying from Boise to Bilbao

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Travel Smart

Best flights from Boise to Bilbao
Discover carefully curated flight deals from Boise to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.