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Cheap flights from Boise to Bilbao from $450

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Bilbao departing on 6/24. 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 Boise to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:44 am - 11:15 pm
BOI
-
BIO
32h 31m
2 stops
Multiple Airlines Logo
6:45 am - 11:26 am
BIO
-
BOI
36h 41m
2 stops
$686Multiple Airlines
Wed, Aug 5 - Wed, Aug 19
Lufthansa Logo
12:38 pm - 10:25 pm
BOI
-
BIO
25h 47m
2 stops
Lufthansa Logo
7:15 am - 5:53 pm
BIO
-
BOI
18h 38m
2 stops
$720Lufthansa
Wed, Aug 5 - Wed, Aug 19
Lufthansa Logo
10:20 am - 11:25 pm
BOI
-
BIO
29h 05m
2 stops
Lufthansa Logo
7:15 am - 5:53 pm
BIO
-
BOI
18h 38m
2 stops
$724Lufthansa
Sun, Aug 2 - Wed, Aug 26
Lufthansa Logo
12:38 pm - 10:25 pm
BOI
-
BIO
25h 47m
2 stops
Lufthansa Logo
6:40 pm - 9:25 pm
BIO
-
BOI
34h 45m
2 stops
$733Lufthansa
Wed, Aug 5 - Wed, Aug 19
United Airlines Logo
8:25 am - 5:15 pm
BOI
-
BIO
24h 50m
2 stops
United Airlines Logo
6:50 am - 11:50 pm
BIO
-
BOI
25h 00m
2 stops
$735United Airlines
Wed, Aug 5 - Wed, Aug 19
Iberia Logo
12:14 pm - 11:15 pm
BOI
-
BIO
27h 01m
2 stops
Iberia Logo
1:30 pm - 9:40 pm
BIO
-
BOI
40h 10m
2 stops
$736Iberia
Tue, Jul 28 - Wed, Aug 26
United Airlines Logo
6:30 am - 5:55 pm
BOI
-
BIO
27h 25m
2 stops
United Airlines Logo
6:45 am - 9:19 pm
BIO
-
BOI
22h 34m
2 stops
$747United Airlines
Tue, Sep 1 - Fri, Sep 11
United Airlines Logo
6:30 am - 5:55 pm
BOI
-
BIO
27h 25m
2 stops
United Airlines Logo
7:15 am - 9:25 pm
BIO
-
BOI
22h 10m
2 stops
$749United Airlines
Tue, Sep 1 - Tue, Sep 8
United Airlines Logo
6:30 am - 5:55 pm
BOI
-
BIO
27h 25m
2 stops
United Airlines Logo
6:50 am - 11:00 am
BIO
-
BOI
36h 10m
2 stops
$752United Airlines
Tue, Sep 1 - Thu, Sep 10
United Airlines Logo
7:05 pm - 11:25 pm
BOI
-
BIO
20h 20m
2 stops
United Airlines Logo
2:10 pm - 4:48 pm
BIO
-
BOI
58h 38m
3 stops
$754United Airlines
Wed, Aug 5 - Wed, Aug 19

United Airlines flights from Boise to Bilbao

Our best United Airlines deals on Boise to Bilbao flight tickets
United Airlines
Aug 5
BOI8:25 amBoise Air Term. Gowen Fld
24h 50m
2 stops
BIO5:15 pmBilbao
Aug 19
BIO6:50 amBilbao
25h 00m
2 stops
BOI11:50 pmBoise Air Term. Gowen Fld
$735
United Airlines
Sep 1
BOI6:30 amBoise Air Term. Gowen Fld
27h 25m
2 stops
BIO5:55 pmBilbao
Sep 11
BIO6:45 amBilbao
22h 34m
2 stops
BOI9:19 pmBoise Air Term. Gowen Fld
$747
United Airlines
Sep 1
BOI6:30 amBoise Air Term. Gowen Fld
27h 25m
2 stops
BIO5:55 pmBilbao
Sep 8
BIO7:15 amBilbao
22h 10m
2 stops
BOI9:25 pmBoise Air Term. Gowen Fld
$749

KLM flights from Boise to Bilbao

Our best KLM deals on Boise to Bilbao flight tickets
KLM
Jul 4
BOI4:05 pmBoise Air Term. Gowen Fld
16h 25m
2 stops
BIO4:30 pmBilbao
Jul 11
BIO6:45 amBilbao
16h 53m
2 stops
BOI3:38 pmBoise Air Term. Gowen Fld
$1,127
KLM
Jul 4
BOI4:05 pmBoise Air Term. Gowen Fld
16h 25m
2 stops
BIO4:30 pmBilbao
Jul 11
BIO6:45 amBilbao
21h 33m
2 stops
BOI8:18 pmBoise Air Term. Gowen Fld
$1,157

momondo Fare Finder

 
Customize your flight search to find flights from Boise 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 March 22, 2026.
Use the filters below to find and compare flights from Boise to Bilbao that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

6:44 am-11:15 pm

2 stops32h 31m

Bilbao

Wed 8/19

6:45 am-11:26 am

2 stops36h 41m

$686
Quickest round-trip

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

12:38 pm-10:25 pm

2 stops25h 47m

Bilbao

Wed 8/19

7:15 am-5:53 pm

2 stops18h 38m

$720

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Sun 8/2

10:20 am-11:25 pm

2 stops29h 05m

Bilbao

Wed 8/26

7:15 am-5:53 pm

2 stops18h 38m

$724

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

12:38 pm-10:25 pm

2 stops25h 47m

Bilbao

Wed 8/19

6:40 pm-9:25 pm

2 stops34h 45m

$733

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

8:25 am-5:15 pm

2 stops24h 50m

Bilbao

Wed 8/19

6:50 am-11:50 pm

2 stops25h 00m

$735

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 7/28

12:14 pm-11:15 pm

2 stops27h 01m

Bilbao

Wed 8/26

1:30 pm-9:40 pm

2 stops40h 10m

$736

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 9/1

6:30 am-5:55 pm

2 stops27h 25m

Bilbao

Fri 9/11

6:45 am-9:19 pm

2 stops22h 34m

$747

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 9/1

6:30 am-5:55 pm

2 stops27h 25m

Bilbao

Tue 9/8

7:15 am-9:25 pm

2 stops22h 10m

$749

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Tue 9/1

6:30 am-5:55 pm

2 stops27h 25m

Bilbao

Thu 9/10

6:50 am-11:00 am

2 stops36h 10m

$752

BoiseBilbao

BOI - BIO

BOIBIO

Boise Air Term. Gowen Fld

Wed 8/5

7:05 pm-11:25 pm

2 stops20h 20m

Bilbao

Wed 8/19

2:10 pm-4:48 pm

3 stops58h 38m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Bilbao from

How to get the cheapest flight ticket from Boise 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 airline that flies from Boise Air Term. Gowen Fld to Bilbao?

United Airlines and Finnair are the most popular carriers operating from Boise Air Term. Gowen Fld to Bilbao

What airlines fly to Bilbao?

Delta, KLM and United Airlines are the top three most popular airlines that fly to Bilbao from Boise according to our data. Delta is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Bilbao. Keep in mind that there are 3 different airlines that fly to Bilbao on a routine basis, so you have a few additional options to choose from.

When to book flights from Boise to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Bilbao (BOI to BIO) flight deals and tips

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

Fastest flight time

18h 27m

Direct flights

None
The fastest flight from Boise to Bilbao takes 18h 27m
There are no direct flights from Boise to Bilbao. There are no popular flight routes from Boise to Bilbao.
Search flight deals

  • How far is Boise Air Term. Gowen Fld to Bilbao by plane?

    A flight from Boise Air Term. Gowen Fld to Bilbao will travel around 5155.3 mi. 18h 27m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Bilbao Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Bilbao Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Bilbao Airport?

  • How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Bilbao Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boise Air Term. Gowen Fld Airport to Bilbao Airport.

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

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Boise to Bilbao?

Best airlines flying from Boise to Bilbao

Compare and see reviews for airlines that fly from Boise to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $529Free CancellationRating
7.9
8,313 reviews
Search Delta flights
United AirlinesPriceFrom $568Free CancellationRating
7.4
9,458 reviews
Search United Airlines flights
KLMPriceFrom $1,145Free CancellationRating
7.8
1,477 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 Boise to Bilbao?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boise to Bilbao. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Boise and Bilbao by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Boise to Bilbao flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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