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Bilbao

$244+ Cheap flights from Boise (BOI) to Bilbao (BIO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIO
fev 28 — mar 71
sáb 2/28
sáb 3/7
1 adult, Economy
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Cheap flight deals from Boise to Bilbao

Cheapest flights from Boise to Bilbao
Explore the most affordable flight options available from Boise to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janeiro 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 2/2512:16 pm
BOI
-
BIO
2 stops25h 39m
United Airlines
dom 3/112:45 pm
BIO
-
BOI
2 stops30h 32m
United Airlines
Deal found 1/28$489
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/2510:39 am
BOI
-
BIO
2 stops23h 26m
Lufthansa
qua 12/97:25 am
BIO
-
BOI
2 stops18h 30m
Lufthansa
Deal found 1/27$512
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/245:00 am
BOI
-
BIO
2 stops34h 05m
United Airlines
sex 12/116:45 am
BIO
-
BOI
2 stops22h 31m
United Airlines
Deal found 1/27$523
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/1811:45 am
BOI
-
BIO
2 stops27h 20m
United Airlines
qui 11/266:45 am
BIO
-
BOI
2 stops24h 21m
United Airlines
Deal found 1/28$524
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/236:00 am
BOI
-
BIO
2 stops21h 30m
Delta
qua 12/911:55 am
BIO
-
BOI
2 stops44h 09m
Delta
Deal found 1/27$525
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/247:15 am
BOI
-
BIO
2 stops44h 15m
Delta
seg 12/711:55 am
BIO
-
BOI
2 stops43h 40m
Delta
Deal found 1/27$526
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 12/92:43 pm
BOI
-
BIO
2 stops24h 07m
Lufthansa
qui 12/246:45 am
BIO
-
BOI
2 stops43h 10m
Lufthansa
Deal found 1/27$528
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/221:15 pm
BOI
-
BIO
2 stops38h 15m
Delta
qua 12/911:55 am
BIO
-
BOI
2 stops43h 40m
Delta
Deal found 1/27$530
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 11/238:45 am
BOI
-
BIO
2 stops18h 45m
Delta
sex 12/1111:55 am
BIO
-
BOI
2 stops32h 44m
Delta
Deal found 1/27$531
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 11/225:45 pm
BOI
-
BIO
2 stops33h 45m
Delta
sex 12/1111:55 am
BIO
-
BOI
2 stops32h 44m
Delta
Deal found 1/27$536

Find flight deals from Boise to Bilbao

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Bilbao (BIO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated janeiro 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$489
(United Airlines)

One-way from

$244
(United Airlines)

Popular in

December

Cheapest in

November
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
One-way flight from Boise Air Term. Gowen Fld to Bilbao
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($65 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Bilbao that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janeiro 29, 2026.
Use the filters below to find and compare flights from Boise to Bilbao that are best for you.

Fly from

Boise

Fly to

Bilbao

Route

Depart

Return

Price

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

qua 2/25

12:16 pm-9:55 pm

2 stops25h 39m

Bilbao

dom 3/1

12:45 pm-11:17 am

2 stops30h 32m

$489

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

sáb 4/11

6:44 am-11:15 pm

2 stops32h 31m

Bilbao

qua 4/22

9:35 pm-9:07 pm

2 stops31h 32m

$619

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

ter 7/7

2:58 pm-11:15 pm

2 stops24h 17m

Bilbao

sex 7/24

6:45 am-11:29 am

2 stops36h 44m

$790

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

sex 3/13

12:59 pm-11:20 pm

2 stops27h 21m

Bilbao

sex 3/20

11:35 am-11:17 am

2 stops30h 42m

$1,101

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

sex 3/13

7:47 am-12:00 pm

3 stops21h 13m

Bilbao

sex 3/20

7:10 am-10:57 pm

3 stops22h 47m

$3,362

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

dom 5/10

8:20 am-11:25 pm

2 stops31h 05m

$244

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

qua 6/24

2:58 pm-11:15 pm

2 stops24h 17m

$379

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

qua 6/24

2:58 pm-8:30 am

2 stops33h 32m

$502

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

sex 6/26

2:58 pm-8:50 pm

2 stops21h 52m

$544

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

qui 6/25

6:44 am-8:30 am

2 stops41h 46m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Bilbao flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

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 janeiro 29, 2026.
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
8,127 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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
8,127 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.
KLM
7.7
Good
1,443 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.
United Airlines
7.4
Good
9,215 reviews
Delta
7.9
Good
8,127 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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.

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?

    Airlines like United Airlines and Iberia fly from Boise to Bilbao in about 25h 39m. The time it takes to get you to your destination can typically vary by up to 6h 52m. Boise and Bilbao are separated by a distance of 5157 mi. This flight may include one or multiple stops.

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

    Currently priced at $568, 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 44% 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Boise to Bilbao

Discover the top 3 airlines that operate flights from Boise to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated janeiro 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$568Average$659FlexibilityNo cancel feeOn-time69%
DeltaCheapest$617Average$1,267FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$1,145Average$1,317FlexibilityNo cancel feeOn-time75%

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