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$631+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$868
(Orbitz)

One-way from

$631
(Kiwi.com)
From Barcelona-El Prat to Idaho
Search Deals
One-way flight 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 March 31, 2025.

This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:15 pmBCN - BOI
2 stops18h 37mAir Canada
Fri 6/137:07 pmBOI - BCN
2 stops30h 13mAir Canada
Deal found 3/30$868
This Finnair deal was found by Cheapflights users on 3/30. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:20 pmBCN - BOI
1 stop17h 40mFinnair
Fri 6/1311:46 amBOI - BCN
2 stops24h 19mFinnair
Deal found 3/30$875
This Air Canada deal was found by Cheapflights users on 3/30. 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.
Tue 5/612:15 pmBCN - BOI
2 stops17h 27mMultiple Airlines
Fri 6/135:43 pmBOI - BCN
3 stops30h 07mMultiple Airlines
Deal found 3/30$909
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/17:50 amBCN - WYS
2 stops37h 22mUnited Airlines
Sun 9/71:48 pmWYS - BCN
2 stops39h 27mUnited Airlines
Deal found 3/30$913
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 4/211:35 amBCN - IDA
2 stops32h 41mDelta
Mon 4/71:00 pmIDA - BCN
2 stops17h 50mDelta
Deal found 3/30$1,022
This KLM deal was found by Cheapflights users on 3/30. 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 4/211:05 amBCN - IDA
2 stops19h 28mKLM
Sun 4/61:00 pmIDA - BCN
2 stops25h 45mKLM
Deal found 3/30$1,031
This Delta deal was found by Cheapflights users on 3/30. 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 7/2411:35 amBCN - GEG
2 stops21h 44mDelta
Thu 8/79:10 amGEG - BCN
2 stops17h 05mDelta
Deal found 3/30$1,053
This American Airlines deal was found by Cheapflights users on 3/30. 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 7/2412:20 pmBCN - GEG
1 stop19h 57mAmerican Airlines
Thu 8/76:10 amGEG - BCN
1 stop19h 00mAmerican Airlines
Deal found 3/30$1,060
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:15 pmBCN - GEG
2 stops20h 23mUnited Airlines
Thu 5/223:29 pmGEG - BCN
2 stops19h 16mUnited Airlines
Deal found 3/31$1,112
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:30 pmBCN - GEG
2 stops29h 10mMultiple Airlines
Sun 8/171:23 pmGEG - BCN
2 stops36h 12mMultiple Airlines
Deal found 3/31$1,125
This Air France deal was found by Cheapflights users on 3/30. 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.
Tue 4/17:40 pmBCN - IDA
2 stops34h 53mMultiple Airlines
Mon 4/71:00 pmIDA - BCN
2 stops25h 40mMultiple Airlines
Deal found 3/30$1,134
This CheapTickets.de deal was found by Cheapflights users on 3/30. 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 CheapTickets.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/411:35 amBCN - BOI
1 stop18h 50mKLM
Fri 4/182:15 pmBOI - BCN
1 stop35h 05mKLM
Deal found 3/30$1,232

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 March 31, 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

Tue 5/6

12:15 pm-10:52 pm

2 stops18h 37m

Boise Air Term. Gowen Fld

Fri 6/13

7:07 pm-9:20 am

2 stops30h 13m

$868

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 5/6

12:20 pm-10:00 pm

1 stop17h 40m

Boise Air Term. Gowen Fld

Fri 6/13

11:46 am-8:05 pm

2 stops24h 19m

$875

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 5/6

12:15 pm-9:42 pm

2 stops17h 27m

Boise Air Term. Gowen Fld

Fri 6/13

5:43 pm-7:50 am

3 stops30h 07m

$909

BarcelonaWest Yellowstone

BCN - WYS

BCNWYS

Barcelona-El Prat

Mon 9/1

7:50 am-1:12 pm

2 stops37h 22m

West Yellowstone

Sun 9/7

1:48 pm-1:15 pm

2 stops39h 27m

$913

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/24

11:35 am-12:19 am

2 stops21h 44m

Spokane

Thu 8/7

9:10 am-11:15 am

2 stops17h 05m

$1,053

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 7/24

12:20 pm-11:17 pm

1 stop19h 57m

Spokane

Thu 8/7

6:10 am-10:10 am

1 stop19h 00m

$1,060

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Thu 5/15

12:15 pm-11:38 pm

2 stops20h 23m

Spokane

Thu 5/22

3:29 pm-7:45 pm

2 stops19h 16m

$1,112

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Fri 7/25

6:30 pm-2:40 pm

2 stops29h 10m

Spokane

Sun 8/17

1:23 pm-10:35 am

2 stops36h 12m

$1,125

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Sun 7/27

8:25 pm-6:48 pm

2 stops31h 23m

Spokane

Sun 8/17

1:00 pm-6:10 pm

2 stops20h 10m

$1,341

BarcelonaSpokane

BCN - GEG

BCNGEG

Barcelona-El Prat

Mon 7/28

1:15 pm-12:35 pm

2 stops32h 20m

Spokane

Sat 8/16

5:15 am-7:50 am

2 stops17h 35m

$1,372

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 21 results
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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 March 31, 2025.
Read reviews from past customers who have flown Delta, KLM and Finnair 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
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
1,267 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Comfort

8.0

Entertainment

7.9

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 WestJet ($714), Delta ($843), and KLM ($844).

  • 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 - West Yellowstone.

  • 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 $419). 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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