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Cheap flights from Idaho to Bilbao from $407

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Bilbao departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:55 pm - 9:55 pm
BOI
-
BIO
19h 00m2 stops
United Airlines Logo
6:45 am - 10:56 pm
BIO
-
BOI
24h 11m2 stops
$487United Airlines
Thu, Feb 26 - Mon, Mar 2

momondo 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, momondo users made 832,500 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from Idaho to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Thu 2/26

6:55 pm-9:55 pm

2 stops19h 00m

Bilbao

Mon 3/2

6:45 am-10:56 pm

2 stops24h 11m

$487

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 5/10

8:20 am-11:25 pm

2 stops31h 05m

$407

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 5/10

4:05 pm-4:30 pm

2 stops16h 25m

$411

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Bilbao from

How to get the cheapest flight ticket from Idaho to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Bilbao?

The cheapest day to depart from Idaho to Bilbao is on a Tuesday. Travelers who choose to depart for Bilbao on a Tuesday will often find tickets for as low as $960. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $1,718. These prices are subject to change though, so be sure to set up a Price Alert for flights to Bilbao.

What is the cheapest time of day to depart on your flight to Bilbao?

Our most recent data shows that the best time of day to fly to Bilbao is in the evening. Flights from Idaho to Bilbao during this time can be as low as $627. In the morning is when there is more demand to fly to Bilbao, so prices are often more expensive at around $1,656 per ticket.

Cheap Idaho to Bilbao flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Bilbao

Fastest flight time

19h 00m

Direct flights

None
The fastest flight from Idaho to Bilbao takes 19h 00m
There are no direct flights from Idaho to Bilbao. There are no popular flight routes from Idaho to Bilbao.
Search flight deals

  • When did momondo last update prices for flights from Idaho to Bilbao Airport?

    Prices for flights from Idaho to Bilbao Airport were last updated today.

  • How many operators does momondo search for flights from Idaho to Bilbao Airport?

  • How old do you have to be to fly from Idaho to Bilbao Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents you'll need for your trip to Bilbao Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bilbao Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Idaho to Bilbao

Compare and see reviews for airlines that fly from Idaho to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $570Free CancellationRating
7.4
9,116 reviews
Search United Airlines flights
DeltaPriceFrom $617Free CancellationRating
7.9
8,021 reviews
Search Delta flights
KLMPriceFrom $1,145Free CancellationRating
7.7
1,435 reviews
Search KLM flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Bilbao?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to Bilbao. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to Bilbao with flexible booking policies on momondo?

All flight searches from Idaho to Bilbao on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to Bilbao?

Once all potential Idaho to Bilbao flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho to Bilbao right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Bilbao flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Mon 1/26
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