$477+ Cheap flights from Idaho 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.
BOI — BIO
Jan 17 — Jan 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Idaho to Bilbao with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Idaho to Bilbao
Best flights from Idaho to BilbaoDiscover carefully curated flight deals from Idaho 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 Idaho 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.
This Air France deal was found by Cheapflights users on 12/15. 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.
Sun 1/1811:20 amBOI - BIO
2 stops22h 00mMultiple Airlines
Tue 1/276:50 amBIO - BOI
2 stops22h 05mMultiple Airlines
Deal found 12/15![Multiple Airlines logo]()
$477
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 2/67:05 pmBOI - BIO
2 stops20h 15mUnited Airlines
Tue 2/1011:35 amBIO - BOI
2 stops36h 35mUnited Airlines
Deal found 12/15![United Airlines logo]()
$489
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1812:19 pmBOI - BIO
2 stops21h 46mLufthansa
Tue 1/2711:35 amBIO - BOI
2 stops38h 32mLufthansa
Deal found 12/15![Lufthansa logo]()
$490
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Fri 1/3010:15 amBOI - BIO
2 stops29h 05mUnited Airlines
Fri 2/611:35 amBIO - BOI
2 stops31h 58mUnited Airlines
Deal found 12/15![United Airlines logo]()
$489
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 December 18, 2025.
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 |
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 December 18, 2025.
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
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
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
What is the cheapest time of day to fly from ID to BIO?
Find hourly flight availability from Idaho to Bilbao. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
It’s typically best to fly out from Idaho to Bilbao in the evening. Doing so could potentially save you 62% on the flight price compared to flying in the morning, which is usually more expensive.
How much does it cost to fly round-trip from Idaho to Bilbao?
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.
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.
Alternative routes for Idaho to Bilbao
See prices for flight routes from nearby airports that may be better suited for you.
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 December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$570 | Average$746 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$617 | Average$1,317 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$1,145 | Average$1,317 | FlexibilityNo cancel fee | On-time75% |