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Bilbao

$244+ Cheap flights from Idaho 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
Mar 12 — Mar 191
Thu 3/12
Thu 3/19
1 adult, Economy
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Cheap flight deals from Idaho to Bilbao

Cheapest flights from Idaho to Bilbao
Explore the most affordable flight options available from Idaho to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 10, 2026.

This United Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 11/182:11 pm
BOI
-
BIO
2 stops19h 54m
United Airlines
Thu 11/266:45 am
BIO
-
BOI
2 stops22h 31m
United Airlines
Deal found 2/7$524
This Delta deal was found by Cheapflights users on 2/6. 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.
Wed 9/3010:38 am
BOI
-
BIO
2 stops21h 52m
Delta
Wed 10/146:45 am
BIO
-
BOI
2 stops25h 07m
Delta
Deal found 2/6$527
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 8/56:59 pm
BOI
-
BIO
2 stops20h 26m
United Airlines
Wed 8/196:50 am
BIO
-
BOI
2 stops22h 25m
United Airlines
Deal found 2/9$555
This Finnair deal was found by Cheapflights users on 2/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:28 am
BOI
-
BIO
2 stops31h 47m
Multiple Airlines
Wed 9/236:45 am
BIO
-
BOI
2 stops37h 45m
Multiple Airlines
Deal found 2/10$598
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 9/288:20 am
BOI
-
BIO
2 stops31h 05m
United Airlines
Mon 10/126:50 am
BIO
-
BOI
2 stops20h 26m
United Airlines
Deal found 2/8$604
This FlightHub deal was found by Cheapflights users on 2/6. 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.
Mon 9/282:43 pm
BOI
-
BIO
2 stops23h 42m
Lufthansa
Mon 10/126:40 pm
BIO
-
BOI
2 stops34h 36m
Lufthansa
Deal found 2/6$617
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/252:40 pm
BOI
-
BIO
2 stops20h 25m
United Airlines
Wed 4/111:55 am
BIO
-
BOI
2 stops31h 11m
United Airlines
Deal found 2/8$621
This Air France deal was found by Cheapflights users on 2/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:43 pm
BOI
-
BIO
2 stops24h 42m
Multiple Airlines
Sun 3/16:50 am
BIO
-
BOI
2 stops22h 05m
Multiple Airlines
Deal found 2/7$687
This Air France deal was found by Cheapflights users on 2/7. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2610:41 am
BOI
-
BIO
2 stops22h 39m
Multiple Airlines
Sun 3/16:50 am
BIO
-
BOI
2 stops22h 05m
Multiple Airlines
Deal found 2/7$688
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 2/267:11 am
BOI
-
BIO
2 stops30h 44m
United Airlines
Sun 3/16:45 am
BIO
-
BOI
2 stops24h 53m
United Airlines
Deal found 2/7$689

Find flight deals from Idaho to Bilbao

Keep the following information in mind while searching for Idaho to Bilbao flight deals. Data was last updated February 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$555
(United Airlines)

One-way from

$244
(United Airlines)

Popular in

April

Cheapest in

November

Average price

$659
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 Idaho to Bilbao
Search Deals
One-way flight from Idaho to Bilbao
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($293 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 February 10, 2026.
Use the filters below to find and compare flights from Idaho to Bilbao that are best for you.

Fly from

Idaho

Fly to

Bilbao

Route

Depart

Return

Price

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

6:30 am-11:25 pm

2 stops32h 55m

Bilbao

Wed 8/19

6:50 am-11:59 pm

2 stops25h 09m

$555

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 3/25

2:40 pm-6:05 pm

2 stops20h 25m

Bilbao

Wed 4/1

11:55 am-11:06 am

2 stops31h 11m

$621

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 2/25

1:43 pm-10:25 pm

2 stops24h 42m

Bilbao

Sun 3/1

6:50 am-8:55 pm

2 stops22h 05m

$687

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Thu 2/26

10:41 am-5:20 pm

2 stops22h 39m

Bilbao

Sun 3/1

6:50 am-8:55 pm

2 stops22h 05m

$688

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Thu 2/26

7:11 am-9:55 pm

2 stops30h 44m

Bilbao

Sun 3/1

6:45 am-11:38 pm

2 stops24h 53m

$689

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 5/10

5:29 pm-11:25 pm

2 stops21h 56m

$244

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 6/24

4:05 pm-11:15 pm

2 stops23h 10m

$372

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 6/24

2:58 pm-11:15 pm

2 stops24h 17m

$372

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Thu 3/19

10:49 am-9:55 pm

2 stops28h 06m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Best time to book a flight from Idaho to Bilbao

Have a flexible travel schedule? Discover the best time to fly to Bilbao from Idaho 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 Idaho to Bilbao
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Bilbao from Idaho?

    If you book a flight to Bilbao from Idaho, you will be flying to Bilbao, which is the city’s only airport. Bilbao (BIO) is located 3.0 mi from the center of Bilbao.

  • How long is the flight from Idaho to Bilbao?

    Departing from Idaho to Bilbao will take you 32h 55m. There are 5157 mi between Idaho and Bilbao.

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

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

  • How can I find direct flights from Idaho to Bilbao?

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

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

    Yes. Cheapflights offers flight deals from Idaho 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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Alternative routes for Idaho to Bilbao

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho to Bilbao

Discover the top 3 airlines that operate flights from Idaho 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 February 10, 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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