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$639+ Cheap flights from Barcelona-El Prat (BCN) to Idaho

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$897
(Iberia)

One-way from

$639
(Finnair)
From Barcelona-El Prat to Idaho
Search Deals
One-way flight from Barcelona-El Prat to Idaho
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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 September 15, 2025.

This Iberia deal was found by Cheapflights users on 9/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:40 amBCN - BOI
2 stops23h 29mIberia
Mon 11/107:00 amBOI - BCN
2 stops26h 55mIberia
Deal found 9/14$897
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/66:50 amBCN - BOI
2 stops23h 55mUnited Airlines
Mon 11/1012:35 pmBOI - BCN
1 stop16h 35mUnited Airlines
Deal found 9/12$910
This United Airlines deal was found by Cheapflights users on 9/12. 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 11/136:50 amBCN - IDA
2 stops22h 13mUnited Airlines
Mon 11/174:15 pmIDA - BCN
2 stops32h 05mUnited Airlines
Deal found 9/12$910
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 10/291:50 pmBCN - GEG
2 stops29h 41mUnited Airlines
Sun 11/21:47 pmGEG - BCN
2 stops34h 13mUnited Airlines
Deal found 9/14$934
This KLM deal was found by Cheapflights users on 9/12. 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.
Wed 10/296:00 amBCN - GEG
2 stops18h 00mKLM
Sun 11/212:51 pmGEG - BCN
1 stop34h 49mKLM
Deal found 9/12$1,023
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 11/146:00 amBCN - PIH
2 stops38h 20mDelta
Mon 11/171:00 pmPIH - BCN
2 stops35h 40mDelta
Deal found 9/12$1,040
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/13:15 pmBCN - WYS
2 stops54h 05mUnited Airlines
Sun 10/51:55 pmWYS - BCN
2 stops23h 45mUnited Airlines
Deal found 9/15$1,049
This Delta deal was found by Cheapflights users on 9/14. 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 9/156:20 amBCN - IDA
2 stops24h 05mDelta
Mon 9/221:06 pmIDA - BCN
2 stops17h 44mDelta
Deal found 9/14$1,364
This KLM deal was found by Cheapflights users on 9/14. 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.
Mon 9/157:40 pmBCN - IDA
2 stops30h 31mMultiple Airlines
Wed 12/176:00 amIDA - BCN
2 stops18h 00mMultiple Airlines
Deal found 9/14$1,368
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:20 pmBCN - IDA
1 stop17h 05mAmerican Airlines
Wed 12/177:15 amIDA - BCN
2 stops17h 45mAmerican Airlines
Deal found 9/14$1,486
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:20 pmBCN - IDA
1 stop17h 05mAmerican Airlines
Mon 9/221:35 pmIDA - BCN
2 stops19h 45mAmerican Airlines
Deal found 9/14$1,497

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 September 15, 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 11/6

6:40 am-10:09 pm

2 stops23h 29m

Boise Air Term. Gowen Fld

Mon 11/10

7:00 am-5:55 pm

2 stops26h 55m

$897

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/6

6:50 am-10:45 pm

2 stops23h 55m

Boise Air Term. Gowen Fld

Mon 11/10

12:35 pm-1:10 pm

1 stop16h 35m

$910

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 11/13

6:50 am-9:03 pm

2 stops22h 13m

Idaho Falls Fanning Field

Mon 11/17

4:15 pm-8:20 am

2 stops32h 05m

$910

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 10/29

1:50 pm-11:31 am

2 stops29h 41m

Spokane

Sun 11/2

1:47 pm-9:00 am

2 stops34h 13m

$934

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 10/29

6:00 am-4:00 pm

2 stops18h 00m

Spokane

Sun 11/2

12:51 pm-8:40 am

1 stop34h 49m

$1,023

BarcelonaPocatello

BCN - PIH

BCNPIH

Barcelona-El Prat

Fri 11/14

6:00 am-12:20 pm

2 stops38h 20m

Pocatello

Mon 11/17

1:00 pm-8:40 am

2 stops35h 40m

$1,040

BarcelonaWest Yellowstone

BCN - WYS

BCNWYS

Barcelona-El Prat

Wed 10/1

3:15 pm-1:20 pm

2 stops54h 05m

West Yellowstone

Sun 10/5

1:55 pm-9:40 pm

2 stops23h 45m

$1,049

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 1/6

1:50 pm-1:30 pm

2 stops55h 40m

Idaho Falls Fanning Field

Sat 4/18

5:57 pm-1:15 pm

2 stops35h 18m

$1,071

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Tue 1/6

7:00 pm-10:38 pm

2 stops35h 38m

Idaho Falls Fanning Field

Sat 4/18

1:45 pm-10:10 am

1 stop36h 25m

$1,190

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sat 3/14

10:40 am-8:34 pm

1 stop17h 54m

$639

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
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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 $1,023, Iberia can have you in Idaho from Barcelona-El Prat Airport in 18h. The distance from Barcelona-El Prat Airport to Idaho is about 5267 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 - Idaho Falls Fanning Field. You may also consider Barcelona-El Prat - Boise Air Term. Gowen Fld or Barcelona-El Prat - Spokane.

  • 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.

  • What is the cheapest month to book a flight from Barcelona-El Prat Airport to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Idaho (average of $314). Flying from Barcelona-El Prat Airport to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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