What is the cheapest airline that flies from Barcelona-El Prat to Idaho?

Iberia and Finnair are the most popular carriers operating from Barcelona-El Prat to Idaho

When did momondo last update prices for flights from Barcelona-El Prat Airport to Idaho?

Prices for flights from Barcelona-El Prat Airport to Idaho were last updated today.

How old do you have to be to fly from Barcelona-El Prat Airport to Idaho?

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 Barcelona-El Prat Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$500 Cheap Flights from Barcelona-El Prat Airport to Idaho in 2026

1 adult

0 bags

Find the cheapest flights from Barcelona-El Prat Airport to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 11:48 pm

BCN

BOI

23h 48m

2 stops

10:52 am - 4:00 pm

BOI

BCN

21h 08m

2 stops

$975Multiple Airlines

Thu, Jun 11 - Sun, Jun 21

8:00 am - 11:58 pm

BCN

BOI

23h 58m

2 stops

1:59 pm - 10:10 pm

BOI

BCN

24h 11m

2 stops

$976Multiple Airlines

Thu, May 21 - Tue, May 26

10:25 am - 10:47 pm

BCN

BOI

20h 22m

2 stops

1:00 pm - 4:05 pm

BOI

BCN

20h 05m

2 stops

$1,001Multiple Airlines

Wed, Oct 14 - Sat, Oct 31

12:15 pm - 9:45 am

BCN

BOI

29h 30m

2 stops

5:46 pm - 8:00 am

BOI

BCN

30h 14m

2 stops

$1,044Air Canada

Tue, May 26 - Sun, Aug 2

6:40 am - 11:52 pm

BCN

BOI

25h 12m

2 stops

8:40 am - 1:15 pm

BOI

BCN

20h 35m

1 stop

$1,049United Airlines

Wed, Oct 7 - Sun, Oct 11

6:40 am - 11:52 pm

BCN

BOI

25h 12m

2 stops

5:44 pm - 1:15 pm

BOI

BCN

35h 31m

2 stops

$1,051United Airlines

Wed, Oct 7 - Sun, Oct 11

11:00 am - 10:28 pm

BCN

BOI

19h 28m

1 stop

10:39 am - 11:10 am

BOI

BCN

16h 31m

1 stop

$1,062KLM

Thu, May 21 - Tue, May 26

10:55 am - 10:42 pm

BCN

IDA

19h 47m

2 stops

3:16 pm - 8:35 am

IDA

BCN

33h 19m

2 stops

$1,062Virgin Atlantic

Tue, May 19 - Sat, May 23

11:00 am - 10:42 pm

BCN

IDA

19h 42m

2 stops

3:16 pm - 8:35 am

IDA

BCN

33h 19m

2 stops

$1,113Virgin Atlantic

Tue, May 19 - Sat, May 23

10:55 am - 10:31 pm

BCN

IDA

19h 36m

2 stops

3:25 pm - 6:50 pm

IDA

BCN

19h 25m

2 stops

$1,457KLM

Tue, Jun 16 - Tue, Jun 23

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Air Canada flights from Barcelona-El Prat Airport to Idaho

Our best Air Canada deals on Barcelona-El Prat Airport to Idaho flight tickets

Air Canada

May 26

BCN12:15 pmBarcelona-El Prat

29h 30m

2 stops

BOI9:45 amBoise Air Term. Gowen Fld

Aug 2

BOI5:46 pmBoise Air Term. Gowen Fld

30h 14m

2 stops

BCN8:00 amBarcelona-El Prat

$1,044

Air Canada

Aug 5

BCN6:40 amBarcelona-El Prat

24h 16m

3 stops

BOI10:56 pmBoise Air Term. Gowen Fld

Aug 27

BOI5:00 amBoise Air Term. Gowen Fld

20h 20m

3 stops

BCN9:20 amBarcelona-El Prat

$1,867

Air Canada

Jun 19

BCN6:40 amBarcelona-El Prat

20h 59m

3 stops

GEG6:39 pmSpokane

Jun 26

GEG11:09 amSpokane

20h 46m

3 stops

BCN4:55 pmBarcelona-El Prat

$2,270

United Airlines flights from Barcelona-El Prat Airport to Idaho

Our best United Airlines deals on Barcelona-El Prat Airport to Idaho flight tickets

United Airlines

Oct 7

BCN6:40 amBarcelona-El Prat

25h 12m

2 stops

BOI11:52 pmBoise Air Term. Gowen Fld

Oct 11

BOI8:40 amBoise Air Term. Gowen Fld

20h 35m

1 stop

BCN1:15 pmBarcelona-El Prat

$1,049

United Airlines

Oct 7

BCN6:40 amBarcelona-El Prat

25h 12m

2 stops

BOI11:52 pmBoise Air Term. Gowen Fld

Oct 11

BOI5:44 pmBoise Air Term. Gowen Fld

35h 31m

2 stops

BCN1:15 pmBarcelona-El Prat

$1,051

United Airlines

Oct 7

BCN6:40 amBarcelona-El Prat

25h 12m

2 stops

BOI11:52 pmBoise Air Term. Gowen Fld

Oct 11

BOI12:29 pmBoise Air Term. Gowen Fld

16h 46m

1 stop

BCN1:15 pmBarcelona-El Prat

$1,052

momondo Fare Finder

Use the filters below to find and compare flights from Barcelona-El Prat Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 6/11

8:00 am-11:48 pm

2 stops23h 48m

Boise Air Term. Gowen Fld

Sun 6/21

10:52 am-4:00 pm

2 stops21h 08m

$975

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 5/21

8:00 am-11:58 pm

2 stops23h 58m

Boise Air Term. Gowen Fld

Tue 5/26

1:59 pm-10:10 pm

2 stops24h 11m

$976

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 10/14

10:25 am-10:47 pm

2 stops20h 22m

Boise Air Term. Gowen Fld

Sat 10/31

1:00 pm-4:05 pm

2 stops20h 05m

$1,001

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 5/26

12:15 pm-9:45 am

2 stops29h 30m

Boise Air Term. Gowen Fld

Sun 8/2

5:46 pm-8:00 am

2 stops30h 14m

$1,044

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 10/7

6:40 am-11:52 pm

2 stops25h 12m

Boise Air Term. Gowen Fld

Sun 10/11

8:40 am-1:15 pm

1 stop20h 35m

$1,049

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 10/7

6:40 am-11:52 pm

2 stops25h 12m

Boise Air Term. Gowen Fld

Sun 10/11

5:44 pm-1:15 pm

2 stops35h 31m

$1,051

Quickest round-trip

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 5/21

11:00 am-10:28 pm

1 stop19h 28m

Boise Air Term. Gowen Fld

Tue 5/26

10:39 am-11:10 am

1 stop16h 31m

$1,062

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 5/19

10:55 am-10:42 pm

2 stops19h 47m

Idaho Falls Fanning Field

Sat 5/23

3:16 pm-8:35 am

2 stops33h 19m

$1,062

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 5/19

11:00 am-10:42 pm

2 stops19h 42m

Idaho Falls Fanning Field

Sat 5/23

3:16 pm-8:35 am

2 stops33h 19m

$1,113

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 6/16

10:55 am-10:31 pm

2 stops19h 36m

Idaho Falls Fanning Field

Tue 6/23

3:25 pm-6:50 pm

2 stops19h 25m

$1,457

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Barcelona-El Prat Airport to Idaho

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

Prices

Airlines

Can stopping save me money on Barcelona-El Prat Airport to Idaho flights?

You could potentially save up to 14% on your flight if you consider stops on a Barcelona-El Prat Airport to Idaho flight.

Cheap Barcelona-El Prat Airport to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Barcelona-El Prat Airport to Idaho

Fastest flight time	19h 41m
Direct flights	None

The fastest flight from Barcelona-El Prat Airport to Idaho takes 19h 41m

There are no direct flights from Barcelona-El Prat Airport to Idaho. There are no popular flight routes from Barcelona-El Prat Airport to Idaho.

Search flight deals

Frequently asked questions about flying from Barcelona-El Prat Airport to Idaho

When did momondo last update prices for flights from Barcelona-El Prat Airport to Idaho?
Prices for flights from Barcelona-El Prat Airport to Idaho were last updated today.
How old do you have to be to fly from Barcelona-El Prat Airport to Idaho?
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 Barcelona-El Prat Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

It is quick and easy to find Barcelona to Idaho flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Idaho that suits you.

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

Yes. All flights to Idaho from Barcelona on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Barcelona to Idaho.

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

If you are not ready to book a flight from Barcelona to Idaho now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho and let you know when they change.