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$924+ Cheap flights from Barcelona-El Prat (BCN) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to Idaho

Keep the following information in mind while searching for Barcelona-El Prat to Idaho flight deals. Data was last updated November 3, 2025.

Round-trip from

$924
(KLM)
From Barcelona-El Prat to Idaho
Search Deals

Find flight deals from Barcelona-El Prat to Idaho

Cheapest flights from Barcelona-El Prat to Idaho
Explore the most affordable flight options available from Barcelona-El Prat to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This KLM deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amBCN - BOI
2 stops24h 25mMultiple Airlines
Mon 11/2411:10 amBOI - BCN
2 stops18h 50mMultiple Airlines
Deal found 11/3$924
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1610:55 amBCN - IDA
2 stops19h 26mDelta
Tue 12/235:55 amIDA - BCN
2 stops26h 35mDelta
Deal found 10/31$928
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:50 amBCN - BOI
2 stops20h 04mUnited Airlines
Mon 11/246:15 amBOI - BCN
2 stops18h 05mUnited Airlines
Deal found 11/3$929
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:30 amBCN - GEG
2 stops19h 29mUnited Airlines
Mon 12/85:25 amGEG - BCN
2 stops17h 55mUnited Airlines
Deal found 11/2$941
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amBCN - IDA
2 stops20h 17mDelta
Mon 11/176:00 amIDA - BCN
2 stops21h 10mDelta
Deal found 11/2$989
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:00 amBCN - BOI
2 stops20h 54mDelta
Mon 11/178:45 amBOI - BCN
2 stops18h 25mDelta
Deal found 11/2$994
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/133:05 pmBCN - BOI
1 stop15h 40mUnited Airlines
Mon 11/1712:45 pmBOI - BCN
1 stop16h 25mUnited Airlines
Deal found 11/2$1,056
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amBCN - GEG
2 stops22h 46mDelta
Sat 12/69:25 amGEG - BCN
2 stops16h 45mDelta
Deal found 11/2$1,079
This Air France deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:00 amBCN - GEG
2 stops17h 57mMultiple Airlines
Sat 12/61:12 pmGEG - BCN
1 stop34h 28mMultiple Airlines
Deal found 11/2$1,118
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:10 amBCN - IDA
2 stops43h 09mDelta
Fri 11/216:57 pmIDA - BCN
2 stops53h 03mDelta
Deal found 10/31$1,347
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/161:00 pmBCN - GEG
2 stops32h 06mDelta
Thu 11/207:05 amGEG - BCN
2 stops25h 00mDelta
Deal found 11/1$1,539
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/169:20 pmBCN - GEG
2 stops30h 32mMultiple Airlines
Thu 11/207:00 amGEG - BCN
2 stops28h 25mMultiple Airlines
Deal found 11/1$1,666

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat 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, Cheapflights users made 2,558,603 searches. Data last updated November 3, 2025.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Idaho that are best for you.

Fly from

Barcelona-El Prat

Fly to

Idaho

Route

Depart

Return

Price

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/20

6:00 am-10:25 pm

2 stops24h 25m

Boise Air Term. Gowen Fld

Mon 11/24

11:10 am-2:00 pm

2 stops18h 50m

$924

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/20

6:50 am-6:54 pm

2 stops20h 04m

Boise Air Term. Gowen Fld

Mon 11/24

6:15 am-8:20 am

2 stops18h 05m

$929

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Fri 12/5

10:30 am-8:59 pm

2 stops19h 29m

Spokane

Mon 12/8

4:10 pm-8:20 am

2 stops31h 10m

$941

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 11/13

1:00 pm-6:17 pm

2 stops37h 17m

Idaho Falls Fanning Field

Mon 11/17

6:57 pm-11:10 am

2 stops32h 13m

$989

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/13

6:00 am-4:05 pm

2 stops18h 05m

Boise Air Term. Gowen Fld

Mon 11/17

11:10 am-5:05 pm

2 stops21h 55m

$994

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/13

3:05 pm-10:45 pm

1 stop15h 40m

Boise Air Term. Gowen Fld

Mon 11/17

12:45 pm-1:10 pm

1 stop16h 25m

$1,056

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 12/16

10:55 am-10:21 pm

2 stops19h 26m

Idaho Falls Fanning Field

Tue 12/23

5:55 am-7:05 pm

2 stops29h 10m

$1,206

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Mon 11/17

11:10 am-10:19 pm

2 stops43h 09m

Idaho Falls Fanning Field

Fri 11/21

6:57 pm-8:00 am

2 stops53h 03m

$1,347

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sun 11/16

1:00 pm-12:06 pm

2 stops32h 06m

Spokane

Thu 11/20

7:05 am-5:05 pm

2 stops25h 00m

$1,539

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sun 11/16

3:05 pm-10:23 pm

1 stop40h 18m

Spokane

Thu 11/20

7:00 am-4:55 pm

2 stops48h 55m

$1,815

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Best time to book a flight from Barcelona-El Prat to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Barcelona-El Prat with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Barcelona-El Prat Airport to Idaho
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Barcelona-El Prat Airport to Idaho?

    For as low as $928, Delta can have you in Idaho from Barcelona-El Prat Airport in 19h 26m. The distance from Barcelona-El Prat Airport to Idaho is about 5290 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Barcelona-El Prat Airport to Idaho?

    The most popular route from Barcelona-El Prat Airport to Idaho is Barcelona-El Prat - Spokane. You may also consider Barcelona-El Prat - Idaho Falls Fanning Field or Barcelona-El Prat - Boise Air Term. Gowen Fld.

  • Can I find deals for flights from Barcelona-El Prat to Idaho that include hotel bookings?

    Yes. In addition to deals on Barcelona-El Prat to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Barcelona-El Prat to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Barcelona-El Prat to Idaho.

  • Can I find deals for business class flights from Barcelona-El Prat to Idaho?

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Barcelona-El Prat to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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