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Bilbao

$510+ 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
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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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 April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$746
(United Airlines)

One-way from

$510
(United Airlines)

Popular in

November

Cheapest in

October

Average price

$1,216
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Bilbao flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Bilbao flights.
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From Idaho to Bilbao
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One-way flight from Idaho to Bilbao
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find 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 April 30, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/312:42 pmBOI - BIO
2 stops48h 43mUnited Airlines
Thu 12/187:20 amBIO - BOI
2 stops23h 45mUnited Airlines
Deal found 4/29$746
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 5/274:59 pmBOI - BIO
2 stops15h 41mDelta
Sat 6/76:50 amBIO - BOI
2 stops21h 45mDelta
Deal found 4/29$1,263
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/115:10 amBOI - BIO
3 stops22h 45mMultiple Airlines
Wed 6/257:00 amBIO - BOI
3 stops43h 08mMultiple Airlines
Deal found 4/29$1,516
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Tue 5/271:00 pmBOI - BIO
2 stops26h 15mIberia
Fri 5/307:00 amBIO - BOI
2 stops23h 00mIberia
Deal found 4/29$2,135
This AranGrant deal was found by Cheapflights users on 4/29. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:42 pmBOI - BIO
2 stops24h 43mLufthansa
Tue 10/216:35 pmBIO - BOI
2 stops31h 59mLufthansa
Deal found 4/29$4,349
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1510:38 amBOI - BIO
2 stops21h 52mKLM
Tue 10/217:10 amBIO - BOI
2 stops17h 38mKLM
Deal found 4/29$4,771
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 9/167:30 amBOI - BIO
2 stops21h 15mAmerican Airlines
Tue 10/219:15 amBIO - BOI
3 stops22h 21mAmerican Airlines
Deal found 4/29$9,097

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 April 30, 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 8/31

2:42 pm-11:25 pm

2 stops48h 43m

Bilbao

Thu 12/18

7:20 am-11:05 pm

2 stops23h 45m

$746

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 5/27

4:59 pm-4:40 pm

2 stops15h 41m

Bilbao

Sat 6/7

6:50 am-8:35 pm

2 stops21h 45m

$1,263

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 6/11

5:10 am-11:55 am

3 stops22h 45m

Bilbao

Wed 6/25

7:00 am-6:08 pm

3 stops43h 08m

$1,516

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 5/27

1:00 pm-11:15 pm

2 stops26h 15m

Bilbao

Fri 5/30

7:00 am-10:00 pm

2 stops23h 00m

$2,135

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 9/16

2:42 pm-11:25 pm

2 stops24h 43m

Bilbao

Tue 10/21

6:35 pm-6:34 pm

2 stops31h 59m

$4,349

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Mon 9/15

10:38 am-4:30 pm

2 stops21h 52m

Bilbao

Tue 10/21

7:10 am-4:48 pm

2 stops17h 38m

$4,771

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 9/16

7:30 am-12:45 pm

2 stops21h 15m

Bilbao

Tue 10/21

9:15 am-11:36 pm

3 stops22h 21m

$9,097

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 9/17

2:13 pm-5:50 pm

2 stops19h 37m

$510

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 30, 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.

Rainfall in Bilbao by month

Plan your trip to Bilbao by taking into account the average rainfall totals by month.

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.

Temperature in Bilbao by month

Plan your trip to Bilbao by taking into account the average temperature totals by month.

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).

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 April 30, 2025.
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Iberia
7.0
Good
2,696 reviews
Delta
8.0
Very good
7,936 reviews

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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.

  • 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 $1,178). 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.

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$530Average$1,105FlexibilityNo cancel feeOn-time69%
KLMCheapest$664Average$1,317FlexibilityNo cancel feeOn-time75%
DeltaCheapest$806Average$1,267FlexibilityNo cancel feeOn-timeN/A

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