Barcelona-El Prat

$244+ Cheap flights from Idaho to Barcelona-El Prat (BCN)

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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BCN
Jun 17 — Jun 241
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Cheap flight deals from Idaho to Barcelona-El Prat

Keep the following information in mind while searching for Idaho to Barcelona-El Prat flight deals. Data was last updated June 12, 2025.

Round-trip from

$587
(United Airlines)

One-way from

$244
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$1,647
From Idaho to Barcelona-El Prat
One-way flight from Idaho to Barcelona-El Prat
Highest demand for flights based on searches. 26% potential increase in price ($356 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Idaho to Barcelona-El Prat

Cheapest flights from Idaho to Barcelona-El Prat
Explore the most affordable flight options available from Idaho to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

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.
Wed 10/12:44 pmBOI - BCN
1 stop15h 16mUnited Airlines
Wed 10/83:15 pmBCN - BOI
2 stops26h 27mUnited Airlines
Deal found 6/11$587
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:07 pmBOI - BCN
1 stop13h 23mFinnair
Thu 8/2112:20 pmBCN - BOI
1 stop17h 20mFinnair
Deal found 6/10$637
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 10/1612:35 pmGEG - BCN
1 stop16h 25mUnited Airlines
Thu 10/303:05 pmBCN - GEG
2 stops29h 40mUnited Airlines
Deal found 6/10$637
This Iberia deal was found by Cheapflights users on 6/9. 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.
Wed 10/11:38 pmBOI - BCN
1 stop36h 32mIberia
Wed 10/812:20 pmBCN - BOI
1 stop16h 52mIberia
Deal found 6/9$639
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.
Wed 10/11:17 pmBOI - BCN
1 stop13h 13mAmerican Airlines
Wed 10/810:35 amBCN - BOI
2 stops21h 01mAmerican Airlines
Deal found 6/10$644
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 8/107:31 amJAC - BCN
1 stop21h 44mUnited Airlines
Tue 8/1912:10 pmBCN - JAC
2 stops38h 22mUnited Airlines
Deal found 6/12$664
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1012:55 pmJAC - BCN
1 stop19h 35mMultiple Airlines
Tue 8/1912:20 pmBCN - JAC
1 stop30h 04mMultiple Airlines
Deal found 6/12$666
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/105:00 amBOI - BCN
2 stops20h 20mMultiple Airlines
Sat 9/207:50 amBCN - BOI
2 stops21h 24mMultiple Airlines
Deal found 6/11$713
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/245:00 amBOI - BCN
2 stops20h 35mAir Canada
Sun 11/301:35 pmBCN - BOI
2 stops39h 46mAir Canada
Deal found 6/10$729
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 10/1611:20 amGEG - BCN
3 stops35h 30mAir Canada
Thu 10/3012:35 pmBCN - GEG
3 stops32h 10mAir Canada
Deal found 6/11$770
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 11/215:30 pmJAC - BCN
2 stops30h 30mDelta
Mon 12/11:00 pmBCN - JAC
2 stops33h 03mDelta
Deal found 6/11$818
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/146:00 amGEG - BCN
1 stop19h 10mIberia
Sun 10/1212:20 pmBCN - GEG
1 stop17h 23mIberia
Deal found 6/12$825

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Barcelona-El Prat 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 Idaho to Barcelona-El Prat Airport that are best for you.

Fly from

Idaho

Fly to

Barcelona-El Prat

Route

Depart

Return

Price

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/1

2:44 pm-2:00 pm

1 stop15h 16m

Barcelona-El Prat

Tue 10/7

3:15 pm-9:53 am

2 stops26h 38m

$587

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 8/13

1:07 pm-10:30 am

1 stop13h 23m

Barcelona-El Prat

Thu 8/21

12:20 pm-9:40 pm

1 stop17h 20m

$637

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Thu 10/16

12:35 pm-2:00 pm

1 stop16h 25m

Barcelona-El Prat

Thu 10/30

3:05 pm-12:45 pm

2 stops29h 40m

$637

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/1

1:38 pm-10:10 am

1 stop36h 32m

Barcelona-El Prat

Wed 10/8

12:20 pm-9:12 pm

1 stop16h 52m

$639

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 10/1

1:17 pm-10:30 am

1 stop13h 13m

Barcelona-El Prat

Wed 10/8

10:35 am-11:36 pm

2 stops21h 01m

$644

JacksonBarcelona

JAC - BCN

JACBCN

Jackson Hole

Sun 8/10

7:31 am-1:15 pm

1 stop21h 44m

Barcelona-El Prat

Tue 8/19

12:10 pm-6:32 pm

2 stops38h 22m

$664

JacksonBarcelona

JAC - BCN

JACBCN

Jackson Hole

Sun 8/10

12:55 pm-4:30 pm

1 stop19h 35m

Barcelona-El Prat

Tue 8/19

12:20 pm-10:24 am

1 stop30h 04m

$666

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 9/10

5:00 am-9:20 am

2 stops20h 20m

Barcelona-El Prat

Sat 9/20

7:50 am-9:14 pm

2 stops21h 24m

$713

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 11/24

5:00 am-9:35 am

2 stops20h 35m

Barcelona-El Prat

Sun 11/30

1:35 pm-9:21 pm

2 stops39h 46m

$729

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Thu 10/16

11:20 am-7:50 am

3 stops35h 30m

Barcelona-El Prat

Thu 10/30

12:35 pm-12:45 pm

3 stops32h 10m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 40 results
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Best time to book a flight from Idaho to Barcelona-El Prat

Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Idaho 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 Idaho to Barcelona-El Prat Airport

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

Currently, January is the cheapest month in which you can book a flight from Idaho to Barcelona-El Prat Airport (average of $523). Flying from Idaho to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,062). 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.

What is the cheapest time of day to fly from ID to BCN?

Find hourly flight availability from Idaho to Barcelona-El Prat. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Idaho to Barcelona-El Prat Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 0.8 - 3.6 inches per month. October is typically the wettest month, when rainfall can reach 3.6 in. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 0.8 in.

Temperature in Barcelona-El Prat by month

Plan your trip to Barcelona-El Prat by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August 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 January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Barcelona-El Prat

Get insights into the airlines that provide service to Barcelona-El Prat. 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 Barcelona-El Prat. Reviews last updated June 12, 2025.
Read reviews from past customers who have flown Delta, Finnair and Air France from Idaho to Barcelona. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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!
8.0
Very good
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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!
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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!
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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!
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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!
8.0
Very good

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

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 Idaho to Barcelona-El Prat. 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 Idaho to Barcelona-El Prat Airport one-way?

    $468 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and Scandinavian Airlines, with prices starting from $469 and $480, respectively.

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Barcelona-El Prat 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 Idaho to Barcelona-El Prat Airport?

    Currently, January is the cheapest month in which you can book a flight from Idaho to Barcelona-El Prat Airport (average of $523). Flying from Idaho to Barcelona-El Prat Airport in June is currently the most expensive (average of $1,062). 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

Traveling to a place near Idaho?

Book flights to Idaho if you plan to visit one of these locations
Calella
Castelldefels
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna

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Alternative routes for Idaho to Barcelona-El Prat

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

Top 3 airlines flying from Idaho to Barcelona-El Prat

Discover the top 3 airlines that operate flights from Idaho to Barcelona-El Prat. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$570Average$902FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$586Average$987FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$641Average$1,062FlexibilityNo cancel feeOn-time71%

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