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.

$691 Cheap Flights from Barcelona-El Prat Airport to Idaho in 2026/27

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 4:49 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 49m2 stops Amsterdam Schiphol Salt Lake City

10:38 am - 11:15 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 37m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

$935Multiple Airlines

Mon, Jan 11 - Wed, Apr 7

6:00 am - 4:49 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 49m2 stops Amsterdam Schiphol Salt Lake City

1:43 pm - 12:50 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

15h 07m1 stop Atlanta Hartsfield-Jackson

$984KLM

Mon, Jan 11 - Wed, Apr 7

6:50 am - 6:03 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 13m2 stops Frankfurt am Main Denver Intl

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

$1,048United Airlines

Thu, Nov 12 - Sun, Nov 15

9:55 am - 9:32 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 37m2 stops Frankfurt am Main Denver Intl

6:20 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 55m2 stops San Francisco Chicago O'Hare Intl

$1,048United Airlines

Thu, Nov 12 - Sun, Nov 15

6:50 am - 9:53 amBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

35h 03m2 stops Frankfurt am Main Denver Intl

10:35 am - 1:15 pmIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

18h 40m2 stops Denver Intl Chicago O'Hare Intl

$1,048United Airlines

Thu, Nov 12 - Sun, Nov 15

9:55 am - 10:38 amBCN Barcelona-El Prat-GEG Spokane

33h 43m2 stops Frankfurt am Main San Francisco

11:22 am - 1:15 pmGEG Spokane-BCN Barcelona-El Prat

16h 53m1 stop Chicago O'Hare Intl

$1,048United Airlines

Thu, Nov 12 - Sun, Nov 15

9:55 am - 9:11 pmBCN Barcelona-El Prat-GEG Spokane

20h 16m2 stops Frankfurt am Main Denver Intl

5:00 am - 1:15 pmGEG Spokane-BCN Barcelona-El Prat

23h 15m2 stops Denver Intl Chicago O'Hare Intl

$1,048United Airlines

Thu, Nov 12 - Sun, Nov 15

6:50 am - 6:03 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 13m2 stops Frankfurt am Main Denver Intl

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

$1,049United Airlines

Thu, Nov 12 - Sun, Nov 15

9:55 am - 9:15 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 20m2 stops Frankfurt am Main San Francisco

12:31 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 44m1 stop Chicago O'Hare Intl

$1,049United Airlines

Thu, Nov 12 - Sun, Nov 15

9:55 am - 9:32 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

19h 37m2 stops Frankfurt am Main Denver Intl

6:20 am - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

22h 55m2 stops San Francisco Chicago O'Hare Intl

$1,049United Airlines

Thu, Nov 12 - Sun, Nov 15

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KLM flights from Barcelona-El Prat Airport to Idaho

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

KLM

Jan 11

BCN6:00 amBarcelona-El Prat

18h 49m

2 stops

BOI4:49 pmBoise Air Term. Gowen Fld

Apr 7

BOI1:43 pmBoise Air Term. Gowen Fld

15h 07m

1 stop

BCN12:50 pmBarcelona-El Prat

$984

KLM

Sep 24

BCN6:20 amBarcelona-El Prat

19h 57m

2 stops

IDA6:17 pmIdaho Falls Fanning Field

Oct 4

IDA6:57 pmIdaho Falls Fanning Field

15h 53m

2 stops

BCN6:50 pmBarcelona-El Prat

$1,365

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

Nov 12

BCN9:55 amBarcelona-El Prat

19h 37m

2 stops

BOI9:32 pmBoise Air Term. Gowen Fld

Nov 15

BOI6:20 amBoise Air Term. Gowen Fld

22h 55m

2 stops

BCN1:15 pmBarcelona-El Prat

$1,048

United Airlines

Nov 12

BCN6:50 amBarcelona-El Prat

19h 13m

2 stops

BOI6:03 pmBoise Air Term. Gowen Fld

Nov 15

BOI12:31 pmBoise Air Term. Gowen Fld

16h 44m

1 stop

BCN1:15 pmBarcelona-El Prat

$1,049

United Airlines

Nov 12

BCN9:55 amBarcelona-El Prat

19h 37m

2 stops

BOI9:32 pmBoise Air Term. Gowen Fld

Nov 15

BOI6:20 amBoise Air Term. Gowen Fld

22h 55m

2 stops

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.

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Mon 1/11

6:00 am-4:49 pm

2 stops18h 49m

Boise Air Term. Gowen Fld

Wed 4/7

10:38 am-11:15 am

2 stops16h 37m

$935

Quickest round-trip

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Mon 1/11

6:00 am-4:49 pm

2 stops18h 49m

Boise Air Term. Gowen Fld

Wed 4/7

1:43 pm-12:50 pm

1 stop15h 07m

$984

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Thu 11/12

6:50 am-6:03 pm

2 stops19h 13m

Boise Air Term. Gowen Fld

Sun 11/15

12:31 pm-1:15 pm

1 stop16h 44m

$1,048

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Thu 11/12

9:55 am-9:32 pm

2 stops19h 37m

Boise Air Term. Gowen Fld

Sun 11/15

6:20 am-1:15 pm

2 stops22h 55m

$1,048

BarcelonaIdaho Falls

BCN Barcelona-El Prat - IDA Idaho Falls Fanning Field

BCNIDA

Barcelona-El Prat

Thu 11/12

6:50 am-9:53 am

2 stops35h 03m

Idaho Falls Fanning Field

Sun 11/15

10:35 am-1:15 pm

2 stops18h 40m

$1,048

BarcelonaSpokane

BCN Barcelona-El Prat - GEG Spokane

BCNGEG

Barcelona-El Prat

Thu 11/12

9:55 am-10:38 am

2 stops33h 43m

Spokane

Sun 11/15

11:22 am-1:15 pm

1 stop16h 53m

$1,048

BarcelonaSpokane

BCN Barcelona-El Prat - GEG Spokane

BCNGEG

Barcelona-El Prat

Thu 11/12

9:55 am-9:11 pm

2 stops20h 16m

Spokane

Sun 11/15

5:00 am-1:15 pm

2 stops23h 15m

$1,048

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Thu 11/12

6:50 am-6:03 pm

2 stops19h 13m

Boise Air Term. Gowen Fld

Sun 11/15

12:31 pm-1:15 pm

1 stop16h 44m

$1,049

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Thu 11/12

9:55 am-9:15 pm

2 stops19h 20m

Boise Air Term. Gowen Fld

Sun 11/15

12:31 pm-1:15 pm

1 stop16h 44m

$1,049

BarcelonaBoise

BCN Barcelona-El Prat - BOI Boise Air Term. Gowen Fld

BCNBOI

Barcelona-El Prat

Thu 11/12

9:55 am-9:32 pm

2 stops19h 37m

Boise Air Term. Gowen Fld

Sun 11/15

6:20 am-1:15 pm

2 stops22h 55m

$1,049

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 7% 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

Best Price Found	$691
Fastest flight time	19h 37m
Direct flights	None

The best one-way flight to Idaho from Barcelona-El Prat Airport in the past 72 hours is $691. The best round-trip flight deal from Barcelona-El Prat Airport to Idaho found on momondo in the last 72 hours is $935.

The fastest flight from Barcelona-El Prat Airport to Idaho takes 19h 37m

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.