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

Finnair is the most popular carrier 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.

$529 Cheap Flights from Barcelona-El Prat Airport to Idaho in 2026

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 - 8:35 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

20h 35m2 stops Frankfurt am Main Seattle/Tacoma Intl

10:14 am - 10:10 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 56m2 stops San Francisco Frankfurt am Main

$890Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

10:25 am - 8:35 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 10m2 stops Frankfurt am Main Seattle/Tacoma Intl

10:14 am - 10:10 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 56m2 stops San Francisco Frankfurt am Main

$940Multiple Airlines

Wed, Sep 16 - Mon, Sep 21

10:25 am - 8:33 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 08m2 stops Frankfurt am Main Seattle/Tacoma Intl

10:14 am - 10:10 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 56m2 stops San Francisco Frankfurt am Main

$973Multiple Airlines

Tue, Sep 1 - Sun, Sep 6

6:50 am - 9:08 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

22h 18m2 stops Frankfurt am Main Denver Intl

2:35 pm - 8:20 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

33h 45m2 stops Denver Intl Newark

$994United Airlines

Fri, Jan 29 - Mon, Feb 1

6:50 am - 9:08 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

22h 18m2 stops Frankfurt am Main Denver Intl

2:35 pm - 8:20 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

33h 45m2 stops Denver Intl Newark

$995United Airlines

Fri, Jan 29 - Mon, Feb 1

6:50 am - 9:08 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

22h 18m2 stops Frankfurt am Main Denver Intl

2:35 pm - 8:20 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

33h 45m2 stops Denver Intl Newark

$996United Airlines

Fri, Jan 29 - Mon, Feb 1

6:50 am - 9:08 pmBCN Barcelona-El Prat-IDA Idaho Falls Fanning Field

22h 18m2 stops Frankfurt am Main Denver Intl

2:35 pm - 8:20 amIDA Idaho Falls Fanning Field-BCN Barcelona-El Prat

33h 45m2 stops Denver Intl Newark

$997United Airlines

Fri, Jan 29 - Mon, Feb 1

8:00 am - 10:27 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

22h 27m2 stops Frankfurt am Main San Francisco

10:14 am - 10:10 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

27h 56m2 stops San Francisco Frankfurt am Main

$1,031Multiple Airlines

Thu, Aug 27 - Mon, Aug 31

10:30 am - 2:31 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

36h 01m1 stop Chicago O'Hare Intl

3:21 pm - 4:25 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

17h 04m2 stops Chicago O'Hare Intl London Heathrow

$1,049American Airlines

Wed, Sep 16 - Mon, Sep 21

8:00 am - 9:37 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

21h 37m2 stops Frankfurt am Main Denver Intl

12:24 pm - 1:15 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

16h 51m1 stop Chicago O'Hare Intl

$1,052Lufthansa

Tue, Sep 1 - Sun, Sep 6

Cheap last minute flights

Enter your travel dates to find the best prices.

3:15 pm - 12:35 pmBCN Barcelona-El Prat-GEG Spokane

30h 20m2 stops Chicago O'Hare Intl Denver Intl

12:33 pm - 10:25 pmGEG Spokane-BCN Barcelona-El Prat

48h 52m2 stops San Francisco Munich Franz Josef Strauss

$1,357United Airlines

Mon, Aug 10 - Thu, Sep 3

4:10 pm - 11:04 pmBCN Barcelona-El Prat-GEG Spokane

15h 54m1 stop San Francisco

12:33 pm - 2:20 pmGEG Spokane-BCN Barcelona-El Prat

16h 47m1 stop San Francisco

$1,443United Airlines

Mon, Aug 10 - Thu, Sep 3

3:15 pm - 12:37 pmBCN Barcelona-El Prat-GEG Spokane

30h 22m2 stops Chicago O'Hare Intl Denver Intl

3:54 pm - 8:20 amGEG Spokane-BCN Barcelona-El Prat

55h 26m2 stops Denver Intl Washington, D.C. Dulles Intl

$1,580United Airlines

Sun, Aug 9 - Thu, Sep 3

4:10 pm - 11:04 pmBCN Barcelona-El Prat-GEG Spokane

15h 54m1 stop San Francisco

12:33 pm - 2:20 pmGEG Spokane-BCN Barcelona-El Prat

16h 47m1 stop San Francisco

$1,585Lufthansa

Sun, Aug 9 - Thu, Sep 3

6:20 am - 10:00 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

23h 40m2 stops Amsterdam Schiphol Salt Lake City

11:12 am - 3:35 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

20h 23m2 stops Salt Lake City Paris Charles de Gaulle

$1,912Delta

Fri, Aug 7 - Thu, Aug 13

1:20 pm - 11:53 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 33m1 stop Seattle/Tacoma Intl

2:53 pm - 5:10 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

18h 17m2 stops Minneapolis St Paul Paris Charles de Gaulle

$1,914Delta

Fri, Aug 7 - Thu, Aug 13

1:20 pm - 11:53 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

18h 33m1 stop Seattle/Tacoma Intl

12:23 pm - 11:10 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

14h 47m1 stop Seattle/Tacoma Intl

$1,918KLM

Fri, Aug 7 - Thu, Aug 13

12:15 pm - 9:05 pmBCN Barcelona-El Prat-GEG Spokane

17h 50m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

11:11 am - 4:55 pmGEG Spokane-BCN Barcelona-El Prat

20h 44m3 stops Chicago O'Hare Intl Toronto Pearson Intl Lisbon Humberto Delgado

$3,158Multiple Airlines

Mon, Aug 10 - Thu, Sep 3

4:55 pm - 10:45 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

37h 50m3 stops London Heathrow Hong Kong Intl Los Angeles

10:52 am - 8:35 amBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

37h 43m2 stops San Francisco Hong Kong Intl

$16,597Multiple Airlines

Fri, Aug 7 - Thu, Aug 13

7:40 am - 3:26 pmBCN Barcelona-El Prat-BOI Boise Air Term. Gowen Fld

39h 46m3 stops London Heathrow Hong Kong Intl Seattle/Tacoma Intl

6:51 pm - 10:30 pmBOI Boise Air Term. Gowen Fld-BCN Barcelona-El Prat

43h 39m3 stops Los Angeles Hong Kong Intl London Heathrow

$16,617Multiple Airlines

Fri, Aug 7 - Thu, Aug 13

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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

Jan 29

BCN6:50 amBarcelona-El Prat

22h 18m

2 stops

IDA9:08 pmIdaho Falls Fanning Field

Feb 1

IDA2:35 pmIdaho Falls Fanning Field

33h 45m

2 stops

BCN8:20 amBarcelona-El Prat

$994

United Airlines

Jan 29

BCN6:50 amBarcelona-El Prat

22h 18m

2 stops

IDA9:08 pmIdaho Falls Fanning Field

Feb 1

IDA2:35 pmIdaho Falls Fanning Field

33h 45m

2 stops

BCN8:20 amBarcelona-El Prat

$995

United Airlines

Jan 29

BCN6:50 amBarcelona-El Prat

22h 18m

2 stops

IDA9:08 pmIdaho Falls Fanning Field

Feb 1

IDA2:35 pmIdaho Falls Fanning Field

33h 45m

2 stops

BCN8:20 amBarcelona-El Prat

$996

American Airlines flights from Barcelona-El Prat Airport to Idaho

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

American Airlines

Sep 16

BCN10:45 amBarcelona-El Prat

19h 42m

1 stop

BOI10:27 pmBoise Air Term. Gowen Fld

Sep 23

BOI3:21 pmBoise Air Term. Gowen Fld

19h 14m

2 stops

BCN6:35 pmBarcelona-El Prat

$1,054

American Airlines

Aug 29

BCN10:45 amBarcelona-El Prat

35h 05m

1 stop

IDA1:50 pmIdaho Falls Fanning Field

Sep 5

IDA2:20 pmIdaho Falls Fanning Field

17h 20m

2 stops

BCN3:40 pmBarcelona-El Prat

$1,081

American Airlines

Sep 19

BCN10:45 amBarcelona-El Prat

34h 52m

1 stop

IDA1:37 pmIdaho Falls Fanning Field

Sep 26

IDA2:08 pmIdaho Falls Fanning Field

17h 32m

2 stops

BCN3:40 pmBarcelona-El Prat

$1,082

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

BCNBOI

Barcelona-El Prat

Wed 9/16

8:00 am-8:35 pm

2 stops20h 35m

Boise Air Term. Gowen Fld

Wed 9/23

10:14 am-10:10 pm

2 stops27h 56m

$890

BarcelonaBoise

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

BCNBOI

Barcelona-El Prat

Wed 9/16

10:25 am-8:35 pm

2 stops18h 10m

Boise Air Term. Gowen Fld

Mon 9/21

10:14 am-10:10 pm

2 stops27h 56m

$940

BarcelonaBoise

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

BCNBOI

Barcelona-El Prat

Tue 9/1

10:25 am-8:33 pm

2 stops18h 08m

Boise Air Term. Gowen Fld

Sun 9/6

10:14 am-10:10 pm

2 stops27h 56m

$973

BarcelonaIdaho Falls

BCN Barcelona-El Prat - IDA Idaho Falls Fanning Field

BCNIDA

Barcelona-El Prat

Fri 1/29

6:50 am-9:08 pm

2 stops22h 18m

Idaho Falls Fanning Field

Mon 2/1

2:35 pm-8:20 am

2 stops33h 45m

$994

BarcelonaIdaho Falls

BCN Barcelona-El Prat - IDA Idaho Falls Fanning Field

BCNIDA

Barcelona-El Prat

Fri 1/29

6:50 am-9:08 pm

2 stops22h 18m

Idaho Falls Fanning Field

Mon 2/1

2:35 pm-8:20 am

2 stops33h 45m

$995

BarcelonaIdaho Falls

BCN Barcelona-El Prat - IDA Idaho Falls Fanning Field

BCNIDA

Barcelona-El Prat

Fri 1/29

6:50 am-9:08 pm

2 stops22h 18m

Idaho Falls Fanning Field

Mon 2/1

2:35 pm-8:20 am

2 stops33h 45m

$996

BarcelonaIdaho Falls

BCN Barcelona-El Prat - IDA Idaho Falls Fanning Field

BCNIDA

Barcelona-El Prat

Fri 1/29

6:50 am-9:08 pm

2 stops22h 18m

Idaho Falls Fanning Field

Mon 2/1

2:35 pm-8:20 am

2 stops33h 45m

$997

BarcelonaBoise

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

BCNBOI

Barcelona-El Prat

Thu 8/27

8:00 am-10:27 pm

2 stops22h 27m

Boise Air Term. Gowen Fld

Mon 8/31

10:14 am-10:10 pm

2 stops27h 56m

$1,031

BarcelonaBoise

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

BCNBOI

Barcelona-El Prat

Wed 9/16

10:30 am-2:31 pm

1 stop36h 01m

Boise Air Term. Gowen Fld

Mon 9/21

3:21 pm-4:25 pm

2 stops17h 04m

$1,049

Quickest round-trip

BarcelonaBoise

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

BCNBOI

Barcelona-El Prat

Tue 9/1

8:00 am-9:37 pm

2 stops21h 37m

Boise Air Term. Gowen Fld

Sun 9/6

12:24 pm-1:15 pm

1 stop16h 51m

$1,052

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

Fastest flight time	15h 56m
Direct flights	None

The fastest flight from Barcelona-El Prat Airport to Idaho takes 15h 56m

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.