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Cheap flights from Barcelona-El Prat Airport to Idaho from $440

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Barcelona-El Prat Airport to Idaho departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Barcelona-El Prat Airport to Idaho

Cheap round-trip flights

Scandinavian Airlines Logo
7:00 pm - 6:16 pmBCN-BOI
31h 16m2 stops
Scandinavian Airlines Logo
3:45 pm - 8:50 amBOI-BCN
33h 05m2 stops
$657Scandinavian Airlines
Find Deal
vie., sep. 5 - vie., sep. 26
Scandinavian Airlines Logo
7:10 pm - 11:04 pmBCN-BOI
35h 54m2 stops
Scandinavian Airlines Logo
3:05 pm - 6:20 pmBOI-BCN
43h 15m2 stops
$857Scandinavian Airlines
Find Deal
jue., nov. 13 - lun., nov. 17
United Airlines Logo
10:15 am - 10:21 pmBCN-BOI
20h 06m2 stops
United Airlines Logo
7:00 am - 7:50 amBOI-BCN
16h 50m2 stops
$885United Airlines
Find Deal
jue., ago. 28 - jue., sep. 4
United Airlines Logo
10:15 am - 10:21 pmBCN-BOI
20h 06m2 stops
United Airlines Logo
12:27 pm - 1:15 pmBOI-BCN
16h 48m1 stop
$888United Airlines
Find Deal
jue., ago. 28 - jue., sep. 4
Delta Logo
9:20 am - 11:56 pmBCN-BOI
22h 36m2 stops
Delta Logo
11:35 pm - 9:20 amBOI-BCN
25h 45m1 stop
$931Delta
Find Deal
vie., sep. 5 - vie., sep. 26
Delta Logo
6:00 am - 9:04 pmBCN-GEG
24h 04m2 stops
Delta Logo
6:30 am - 11:10 amGEG-BCN
19h 40m2 stops
$949Delta
Find Deal
vie., dic. 5 - lun., dic. 8
KLM Logo
7:55 pm - 2:44 pmBCN-GEG
27h 49m2 stops
KLM Logo
12:40 pm - 8:40 amGEG-BCN
35h 00m1 stop
$1,009KLM
Find Deal
vie., dic. 5 - lun., dic. 8
KLM Logo
7:55 pm - 2:44 pmBCN-GEG
27h 49m2 stops
KLM Logo
12:40 pm - 8:40 amGEG-BCN
35h 00m1 stop
$1,010KLM
Find Deal
vie., dic. 5 - lun., dic. 8
American Airlines Logo
12:20 pm - 10:36 pmBCN-GEG
19h 16m1 stop
American Airlines Logo
6:00 am - 10:10 amGEG-BCN
19h 10m1 stop
$1,063American Airlines
Find Deal
jue., ago. 21 - lun., ago. 25
American Airlines Logo
10:45 am - 10:36 pmBCN-GEG
20h 51m2 stops
American Airlines Logo
6:00 am - 9:05 amGEG-BCN
18h 05m2 stops
$1,067American Airlines
Find Deal
jue., ago. 21 - lun., ago. 25

Scandinavian Airlines flights from Barcelona-El Prat Airport to Idaho

Our best Scandinavian Airlines deals on Barcelona-El Prat Airport to Idaho flight tickets
Scandinavian Airlines
Sep 5
BCN7:00 pmBarcelona-El Prat
31h 16m
2 stops
BOI6:16 pmBoise Air Term. Gowen Fld
Sep 26
BOI3:45 pmBoise Air Term. Gowen Fld
33h 05m
2 stops
BCN8:50 amBarcelona-El Prat
$657
Find similar
Scandinavian Airlines
Nov 13
BCN7:10 pmBarcelona-El Prat
35h 54m
2 stops
BOI11:04 pmBoise Air Term. Gowen Fld
Nov 17
BOI3:05 pmBoise Air Term. Gowen Fld
43h 15m
2 stops
BCN6:20 pmBarcelona-El Prat
$857
Find similar
Scandinavian Airlines
Nov 13
BCN7:10 pmBarcelona-El Prat
35h 54m
2 stops
BOI11:04 pmBoise Air Term. Gowen Fld
Nov 17
BOI3:05 pmBoise Air Term. Gowen Fld
43h 15m
2 stops
BCN6:20 pmBarcelona-El Prat
$860
Find similar

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
Aug 28
BCN10:15 amBarcelona-El Prat
20h 06m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld
Sep 4
BOI7:00 amBoise Air Term. Gowen Fld
16h 50m
2 stops
BCN7:50 amBarcelona-El Prat
$885
Find similar
United Airlines
Aug 28
BCN10:15 amBarcelona-El Prat
20h 06m
2 stops
BOI10:21 pmBoise Air Term. Gowen Fld
Sep 4
BOI12:27 pmBoise Air Term. Gowen Fld
16h 48m
1 stop
BCN1:15 pmBarcelona-El Prat
$888
Find similar
United Airlines
Aug 28
BCN3:15 pmBarcelona-El Prat
15h 26m
1 stop
BOI10:41 pmBoise Air Term. Gowen Fld
Sep 4
BOI9:52 amBoise Air Term. Gowen Fld
20h 08m
1 stop
BCN2:00 pmBarcelona-El Prat
$901
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat Airport to Idaho 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 agosto 6, 2025.
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

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

vie. 9/5

7:00 pm-6:16 pm

2 stops31h 16m

Boise Air Term. Gowen Fld

vie. 9/26

3:45 pm-8:50 am

2 stops33h 05m

$657

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

jue. 11/13

7:10 pm-11:04 pm

2 stops35h 54m

Boise Air Term. Gowen Fld

lun. 11/17

3:05 pm-6:20 pm

2 stops43h 15m

$857

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

jue. 8/28

10:15 am-10:21 pm

2 stops20h 06m

Boise Air Term. Gowen Fld

jue. 9/4

7:00 am-7:50 am

2 stops16h 50m

$885

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

jue. 8/28

10:15 am-10:21 pm

2 stops20h 06m

Boise Air Term. Gowen Fld

jue. 9/4

12:27 pm-1:15 pm

1 stop16h 48m

$888

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

vie. 9/5

9:20 am-11:56 pm

2 stops22h 36m

Boise Air Term. Gowen Fld

vie. 9/26

11:35 pm-9:20 am

1 stop25h 45m

$931

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

vie. 12/5

6:00 am-9:04 pm

2 stops24h 04m

Spokane

lun. 12/8

6:30 am-11:10 am

2 stops19h 40m

$949

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

vie. 12/5

7:55 pm-2:44 pm

2 stops27h 49m

Spokane

lun. 12/8

12:40 pm-8:40 am

1 stop35h 00m

$1,009

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

vie. 12/5

7:55 pm-2:44 pm

2 stops27h 49m

Spokane

lun. 12/8

12:40 pm-8:40 am

1 stop35h 00m

$1,010

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

jue. 8/21

12:20 pm-10:36 pm

1 stop19h 16m

Spokane

lun. 8/25

6:00 am-10:10 am

1 stop19h 10m

$1,063

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

jue. 8/21

10:45 am-10:36 pm

2 stops20h 51m

Spokane

lun. 8/25

6:00 am-9:05 am

2 stops18h 05m

$1,067

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

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

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

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $782. On the other hand, Friday is the most expensive day to depart from Barcelona-El Prat Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $965.

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

According to our data, the cheapest time of day to fly to Idaho is in the afternoon. momondo users have found flights departing from Barcelona-El Prat Airport to Idaho in the afternoon for as low as $782. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $1,052 per ticket.

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

You could potentially save up to 22% 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

$440

Fastest flight time

15h 26m

Direct flights

None

Airports in Idaho

4 airports
The best one-way flight to Idaho from Barcelona-El Prat Airport in the past 72 hours is $440. The best round-trip flight deal from Barcelona-El Prat Airport to Idaho found on momondo in the last 72 hours is $657.
The fastest flight from Barcelona-El Prat Airport to Idaho takes 15h 26m
There are no direct flights from Barcelona-El Prat Airport to Idaho. Popular non-direct routes for this connection are Barcelona-El Prat Airport - Spokane Airport, Barcelona-El Prat Airport - Idaho Falls Fanning Field Airport and Barcelona-El Prat Airport - Boise Air Term. Gowen Fld Airport.
There are 4 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Boise Air Term. Gowen Fld (BOI), Pocatello (PIH)
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  • 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.

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