$490+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BIO
Aug 7 — Aug 141
1 adult, Economy
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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
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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
Keep the following information in mind while searching for Idaho to Bilbao flight deals. Data was last updated August 2, 2025.
Round-trip from | $623 (Cheapflightsfares) |
|---|---|
One-way from | $490 (United Airlines) |
Popular in | June |
Cheapest in | November |
Average price | $930 |
Find flight deals from Idaho to Bilbao
Cheapest flights from Idaho to BilbaoExplore 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 August 2, 2025.
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 August 2, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/52:31 pmBOI - BIO
2 stops24h 49mLufthansa
Thu 11/136:30 amBIO - BOI
2 stops22h 51mLufthansa
Deal found 8/1![Lufthansa logo]()
$623
This Expedia deal was found by Cheapflights users on 8/1. 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.
Mon 9/226:59 amBOI - BIO
2 stops32h 16mIberia
Wed 10/11:30 pmBIO - BOI
2 stops40h 15mIberia
Deal found 8/1![Iberia logo]()
$629
This United Airlines deal was found by Cheapflights users on 7/30. 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 11/1412:35 pmBOI - BIO
2 stops26h 30mUnited Airlines
Tue 11/186:40 amBIO - BOI
2 stops20h 14mUnited Airlines
Deal found 7/30![United Airlines logo]()
$655
This Finnair deal was found by Cheapflights users on 8/1. 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 11/57:00 amBOI - BIO
2 stops32h 15mMultiple Airlines
Thu 11/136:45 amBIO - BOI
2 stops23h 18mMultiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$687
This Delta deal was found by Cheapflights users on 8/1. 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.
Thu 9/2511:00 amBOI - BIO
2 stops21h 40mDelta
Sat 10/47:10 amBIO - BOI
2 stops23h 50mDelta
Deal found 8/1![Delta logo]()
$919
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amBOI - BIO
2 stops21h 45mAmerican Airlines
Sun 9/289:15 amBIO - BOI
3 stops22h 20mAmerican Airlines
Deal found 8/1![American Airlines logo]()
$8,398
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 August 2, 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
Wed 11/5
2:31 pm-11:20 pm
2 stops24h 49m
Bilbao
Thu 11/13
6:30 am-9:21 pm
2 stops22h 51m
$623
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Mon 9/22
6:59 am-11:15 pm
2 stops32h 16m
Bilbao
Wed 10/1
1:30 pm-9:45 pm
2 stops40h 15m
$629
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Fri 11/14
12:35 pm-11:05 pm
2 stops26h 30m
Bilbao
Tue 11/18
6:40 am-6:54 pm
2 stops20h 14m
$655
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 11/5
7:00 am-11:15 pm
2 stops32h 15m
Bilbao
Thu 11/13
6:45 am-10:03 pm
2 stops23h 18m
$687
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Thu 9/25
11:00 am-4:40 pm
2 stops21h 40m
Bilbao
Sat 10/4
7:10 am-11:00 pm
2 stops23h 50m
$919
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 9/17
7:00 am-12:45 pm
2 stops21h 45m
Bilbao
Sun 9/28
9:15 am-11:35 pm
3 stops22h 20m
$8,398
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 9/17
2:13 pm-5:50 pm
2 stops19h 37m
$490
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 9/17
11:22 am-11:15 pm
3 stops27h 53m
$901
BoiseBilbao
BOI - BIO
BOIBIO
Boise Air Term. Gowen Fld
Wed 9/17
10:40 am-5:30 pm
3 stops22h 50m
$1,623
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 month to book a flight from Idaho to Bilbao?
Currently, January is the cheapest month in which you can book a flight from Idaho to Bilbao (average of $541). Flying from Idaho to Bilbao in June is currently the most expensive (average of $1,135). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 August 2, 2025.
When flying from Idaho to Bilbao, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 August 2, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Idaho to Bilbao have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Overall
8.0
Entertainment
7.9
Comfort
7.9
Crew
8.5
Boarding
8.2
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
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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.
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 August 2, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$530 | Average$746 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$617 | Average$1,318 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$664 | Average$1,317 | FlexibilityNo cancel fee | On-time75% |