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$349+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$908
(Flighttix)

One-way from

$349
(Kiwi.com)
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 June 12, 2025.

This Flighttix deal was found by Cheapflights users on 6/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/33:15 pmBCN - BOI
1 stop15h 37mLufthansa
Mon 7/710:45 amBOI - BCN
2 stops18h 30mLufthansa
Deal found 6/10$908
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/33:15 pmBCN - BOI
1 stop15h 37mUnited Airlines
Mon 7/712:39 pmBOI - BCN
1 stop16h 36mUnited Airlines
Deal found 6/10$910
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/271:30 pmBCN - GEG
2 stops41h 29mUnited Airlines
Sun 8/33:28 pmGEG - BCN
1 stop37h 32mUnited Airlines
Deal found 6/12$925
This Air Canada deal was found by Cheapflights users on 6/10. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/31:15 pmBCN - BOI
2 stops28h 31mMultiple Airlines
Mon 7/75:42 pmBOI - BCN
3 stops30h 08mMultiple Airlines
Deal found 6/10$946
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 6/233:15 pmBCN - WYS
2 stops30h 03mUnited Airlines
Mon 9/81:51 pmWYS - BCN
2 stops39h 24mUnited Airlines
Deal found 6/11$984
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:15 pmBCN - BOI
2 stops34h 04mIberia
Wed 7/93:35 pmBOI - BCN
2 stops21h 40mIberia
Deal found 6/12$1,019
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 6/1810:45 amBCN - BOI
2 stops19h 09mAmerican Airlines
Wed 7/96:49 amBOI - BCN
2 stops18h 16mAmerican Airlines
Deal found 6/11$1,032
This Delta deal was found by Cheapflights users on 6/11. 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 8/89:20 amBCN - BOI
2 stops22h 43mDelta
Fri 12/121:15 pmBOI - BCN
2 stops21h 50mDelta
Deal found 6/11$1,096
This Flighttix deal was found by Cheapflights users on 6/10. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2612:50 pmBCN - IDA
2 stops40h 45mIberia
Mon 6/301:51 pmIDA - BCN
2 stops35h 14mIberia
Deal found 6/10$1,198
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 6/2612:20 pmBCN - IDA
1 stop17h 15mAmerican Airlines
Mon 6/307:00 amIDA - BCN
2 stops19h 30mAmerican Airlines
Deal found 6/10$1,201
This Air Canada deal was found by Cheapflights users on 6/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/126:50 amBCN - BOI
3 stops24h 02mAir Canada
Mon 6/165:43 pmBOI - BCN
3 stops30h 07mAir Canada
Deal found 6/11$2,163

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 June 12, 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 7/3

3:15 pm-10:52 pm

1 stop15h 37m

Boise Air Term. Gowen Fld

Mon 7/7

10:45 am-1:15 pm

2 stops18h 30m

$908

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 7/3

3:15 pm-10:52 pm

1 stop15h 37m

Boise Air Term. Gowen Fld

Mon 7/7

12:39 pm-1:15 pm

1 stop16h 36m

$910

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sun 7/27

1:30 pm-9:59 pm

2 stops41h 29m

Spokane

Sun 8/3

3:28 pm-2:00 pm

1 stop37h 32m

$925

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 7/3

1:15 pm-9:46 am

2 stops28h 31m

Boise Air Term. Gowen Fld

Mon 7/7

5:42 pm-7:50 am

3 stops30h 08m

$946

BarcelonaWest Yellowstone

BCN - WYS

BCNWYS

Barcelona-El Prat

Mon 6/23

3:15 pm-1:18 pm

2 stops30h 03m

West Yellowstone

Mon 9/8

1:51 pm-1:15 pm

2 stops39h 24m

$984

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Fri 8/8

9:20 am-12:03 am

2 stops22h 43m

Boise Air Term. Gowen Fld

Fri 12/12

1:15 pm-7:05 pm

2 stops21h 50m

$1,096

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 6/26

12:50 pm-9:35 pm

2 stops40h 45m

Idaho Falls Fanning Field

Mon 6/30

1:51 pm-9:05 am

2 stops35h 14m

$1,198

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 6/26

12:20 pm-9:35 pm

1 stop17h 15m

Idaho Falls Fanning Field

Mon 6/30

7:00 am-10:30 am

2 stops19h 30m

$1,201

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 10/21

6:30 pm-2:35 pm

2 stops28h 05m

$349

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sun 6/29

11:20 am-5:07 pm

3 stops38h 47m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, United Airlines and Scandinavian Airlines from Barcelona to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,387 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,531 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines to fly from Barcelona-El Prat Airport to Idaho one-way?

    The cheapest airlines for a one-way flight from Barcelona-El Prat Airport to Idaho are Iberia ($730), Lufthansa ($741), and Delta ($891).

  • 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 - Boise Air Term. Gowen Fld. You may also consider Barcelona-El Prat - Spokane or Barcelona-El Prat - Idaho Falls Fanning Field.

  • 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 $395). 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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