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$575+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$883
(United Airlines)

One-way from

$575
(Kiwi.com)
From Barcelona-El Prat to Idaho
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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 April 29, 2025.

This United Airlines deal was found by Cheapflights users on 4/29. 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 5/1412:15 pmBCN - GEG
2 stops33h 23mUnited Airlines
Sun 5/186:00 amGEG - BCN
1 stop23h 00mUnited Airlines
Deal found 4/29$883
This United Airlines deal was found by Cheapflights users on 4/29. 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 5/1512:15 pmBCN - IDA
2 stops16h 49mUnited Airlines
Mon 5/194:22 pmIDA - BCN
2 stops32h 58mUnited Airlines
Deal found 4/29$905
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Wed 5/1412:15 pmBCN - GEG
3 stops33h 23mAir Canada
Sun 5/185:29 amGEG - BCN
3 stops41h 21mAir Canada
Deal found 4/29$931
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Wed 5/1412:15 pmBCN - GEG
3 stops33h 23mMultiple Airlines
Sun 5/185:29 amGEG - BCN
2 stops17h 21mMultiple Airlines
Deal found 4/29$947
This Delta deal was found by Cheapflights users on 4/29. 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 7/249:30 amBCN - GEG
2 stops22h 42mDelta
Thu 8/76:10 amGEG - BCN
2 stops20h 05mDelta
Deal found 4/29$1,095
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/1512:20 pmBCN - IDA
1 stop16h 57mAmerican Airlines
Mon 5/197:00 amIDA - BCN
1 stop19h 10mAmerican Airlines
Deal found 4/29$1,101
This United Airlines deal was found by Cheapflights users on 4/28. 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 4/28$1,155
This Scandinavian Airlines deal was found by Cheapflights users on 4/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/247:00 pmBCN - GEG
2 stops30h 44mScandinavian Airlines
Wed 8/2011:15 amGEG - BCN
2 stops21h 55mScandinavian Airlines
Deal found 4/29$1,227
This KLM deal was found by Cheapflights users on 4/29. 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.
Sat 7/269:20 amBCN - GEG
2 stops21h 06mKLM
Sat 8/163:05 pmGEG - BCN
2 stops16h 20mKLM
Deal found 4/29$1,397
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/234:00 pmBCN - GEG
1 stop16h 08mLufthansa
Tue 8/1912:35 pmGEG - BCN
1 stop16h 25mLufthansa
Deal found 4/29$1,570

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 April 29, 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

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 5/14

12:15 pm-12:38 pm

2 stops33h 23m

Spokane

Sun 5/18

6:00 am-2:00 pm

1 stop23h 00m

$883

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 5/15

12:15 pm-9:04 pm

2 stops16h 49m

Idaho Falls Fanning Field

Mon 5/19

4:22 pm-9:20 am

2 stops32h 58m

$905

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 5/14

12:15 pm-12:38 pm

3 stops33h 23m

Spokane

Sun 5/18

5:29 am-7:50 am

3 stops41h 21m

$931

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 5/14

12:15 pm-12:38 pm

3 stops33h 23m

Spokane

Sun 5/18

5:29 am-7:50 am

2 stops17h 21m

$947

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/24

9:30 am-11:12 pm

2 stops22h 42m

Spokane

Thu 8/7

6:10 am-11:15 am

2 stops20h 05m

$1,095

BarcelonaIdaho Falls

BCN - IDA

BCNIDA

Barcelona-El Prat

Thu 5/15

12:20 pm-9:17 pm

1 stop16h 57m

Idaho Falls Fanning Field

Mon 5/19

7:00 am-10:10 am

1 stop19h 10m

$1,101

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

$1,155

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/24

7:00 pm-4:44 pm

2 stops30h 44m

Spokane

Sat 8/16

1:00 pm-6:10 pm

2 stops20h 10m

$1,227

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sat 7/26

9:20 am-9:26 pm

2 stops21h 06m

Spokane

Sat 8/16

3:05 pm-4:25 pm

2 stops16h 20m

$1,397

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Wed 7/23

4:00 pm-11:08 pm

1 stop16h 08m

Spokane

Tue 8/19

12:35 pm-2:00 pm

1 stop16h 25m

$1,570

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 24 results
1
2
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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 April 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 Delta ($893), American Airlines ($965), and Lufthansa ($974).

  • 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 - Boise Air Term. Gowen Fld 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 $406). 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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