How long is the flight from Idaho to Barcelona-El Prat Airport?

A quick flight from Idaho to Barcelona-El Prat Airport can take about 17h 50m. United Airlines provides one of the quickest options available for as low as $484. The distance from Idaho to Barcelona-El Prat Airport is about 5431 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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.

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).

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

The most popular route from Idaho to Barcelona-El Prat Airport is Boise Air Term. Gowen Fld - Barcelona-El Prat. You may also consider Spokane - Barcelona-El Prat or Idaho Falls Fanning Field - Barcelona-El Prat.

What are the most popular airlines that fly from Idaho to Barcelona-El Prat Airport?

When booking a flight from Idaho to Barcelona-El Prat Airport, you may want to consider flying on United Airlines, Delta or American Airlines as they are the most popular for this route.

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.

$393+ Flights from Idaho to Barcelona-El Prat Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Idaho to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 December 18, 2025.

Wed 12/315:50 amBOI - BCN

2 stops27h 15mDelta

Tue 1/66:00 amBCN - BOI

2 stops25h 12mDelta

Deal found 12/17

$1,246

Sun 12/215:12 pmBOI - BCN

2 stops32h 23mUnited Airlines

Mon 1/1211:55 amBCN - BOI

2 stops41h 57mUnited Airlines

Deal found 12/17

$1,849

Sun 12/2112:20 pmBOI - BCN

2 stops37h 15mMultiple Airlines

Mon 1/126:20 pmBCN - BOI

2 stops31h 47mMultiple Airlines

Deal found 12/16

$1,857

Sun 12/217:00 amBOI - BCN

2 stops18h 00mAmerican Airlines

Mon 1/1210:40 amBCN - BOI

1 stop16h 45mAmerican Airlines

Deal found 12/17

$1,873

Sat 12/2011:47 pmBOI - BCN

2 stops24h 13mDelta

Wed 1/76:00 amBCN - BOI

2 stops23h 58mDelta

Deal found 12/16

$1,884

Wed 12/177:45 amBOI - BCN

2 stops20h 30mMultiple Airlines

Tue 1/66:00 amBCN - BOI

2 stops19h 35mMultiple Airlines

Deal found 12/16

$1,896

Sat 12/2011:47 pmBOI - BCN

2 stops24h 13mDelta

Mon 12/2910:15 amBCN - BOI

2 stops31h 53mDelta

Deal found 12/17

$1,948

Sun 12/211:55 pmBOI - BCN

1 stop34h 45mKLM

Mon 1/126:00 amBCN - BOI

2 stops22h 55mKLM

Deal found 12/15

$1,981

Best flights from Idaho to Barcelona-El Prat
Discover carefully curated flight deals from Idaho to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 2/56:53 amGEG - BCN

2 stops41h 42mUnited Airlines

Tue 2/171:35 pmBCN - GEG

2 stops37h 28mUnited Airlines

Deal found 12/17

$468

Mon 2/26:53 amGEG - BCN

2 stops25h 42mLufthansa

Sun 2/85:50 amBCN - GEG

2 stops22h 26mLufthansa

Deal found 12/15

$476

Fri 2/204:02 pmBOI - BCN

2 stops16h 28mMultiple Airlines

Fri 2/2710:40 amBCN - BOI

1 stop19h 56mMultiple Airlines

Deal found 12/16

$481

Mon 2/167:00 amBOI - BCN

1 stop17h 50mIberia

Sun 2/2210:40 amBCN - BOI

1 stop19h 56mIberia

Deal found 12/18

$484

Thu 1/155:15 amGEG - BCN

2 stops26h 15mDelta

Wed 1/2110:55 amBCN - GEG

2 stops31h 16mDelta

Deal found 12/15

$499

Fri 1/307:20 amBOI - BCN

1 stop17h 30mMultiple Airlines

Fri 2/610:40 amBCN - BOI

1 stop16h 45mMultiple Airlines

Deal found 12/16

$484

Fri 1/237:00 amJAC - BCN

2 stops18h 35mUnited Airlines

Tue 1/271:35 pmBCN - JAC

2 stops32h 51mUnited Airlines

Deal found 12/16

$491

Mon 2/167:00 amBOI - BCN

1 stop17h 50mMultiple Airlines

Sun 2/2210:40 amBCN - BOI

1 stop19h 56mMultiple Airlines

Deal found 12/16

$484

Mon 3/95:30 pmBOI - BCN

2 stops32h 05mUnited Airlines

Mon 3/1612:35 pmBCN - BOI

2 stops31h 57mUnited Airlines

Deal found 12/16

$491

Mon 3/97:00 amBOI - BCN

1 stop17h 50mMultiple Airlines

Mon 3/1610:40 amBCN - BOI

1 stop18h 56mMultiple Airlines

Deal found 12/16

$484

Mon 2/26:00 amGEG - BCN

1 stop17h 50mMultiple Airlines

Sun 2/810:40 amBCN - GEG

1 stop17h 09mMultiple Airlines

Deal found 12/14

$484

Thu 1/296:00 amGEG - BCN

1 stop17h 50mMultiple Airlines

Thu 2/510:40 amBCN - GEG

1 stop17h 09mMultiple Airlines

Deal found 12/15

$484

Sat 1/312:07 pmIDA - BCN

2 stops22h 08mMultiple Airlines

Sat 2/710:40 amBCN - IDA

2 stops20h 19mMultiple Airlines

Deal found 12/17

$485

Fri 1/3010:51 amIDA - BCN

2 stops22h 44mUnited Airlines

Tue 2/31:35 pmBCN - IDA

2 stops33h 58mUnited Airlines

Deal found 12/15

$695

Fri 3/63:00 pmGEG - BCN

2 stops17h 40mMultiple Airlines

Fri 3/1311:35 amBCN - GEG

2 stops19h 26mMultiple Airlines

Deal found 12/17

$496

Fri 1/167:00 amJAC - BCN

2 stops18h 35mUnited Airlines

Tue 1/201:35 pmBCN - JAC

2 stops31h 23mUnited Airlines

Deal found 12/15

$753

Sat 1/3110:51 amIDA - BCN

3 stops18h 19mUnited Airlines

Sat 2/71:35 pmBCN - IDA

2 stops28h 21mUnited Airlines

Deal found 12/17

$898

Last-minute flights from Idaho to Barcelona-El Prat
Discover last-minute flight deals from Idaho to Barcelona-El Prat. Data last updated December 18, 2025 and is based on user searches.

Thu 1/155:15 amGEG - BCN

2 stops26h 15mDelta

Wed 1/2110:55 amBCN - GEG

2 stops31h 16mDelta

Deal found 12/15

$499

Fri 1/237:00 amJAC - BCN

2 stops18h 35mUnited Airlines

Tue 1/271:35 pmBCN - JAC

2 stops31h 25mUnited Airlines

Deal found 12/17

$491

Thu 1/293:02 pmGEG - BCN

2 stops18h 23mAmerican Airlines

Thu 2/510:40 amBCN - GEG

1 stop17h 09mAmerican Airlines

Deal found 12/15

$481

Thu 1/296:00 amGEG - BCN

1 stop17h 50mMultiple Airlines

Thu 2/510:40 amBCN - GEG

1 stop17h 09mMultiple Airlines

Deal found 12/15

$484

Thu 1/2911:25 amGEG - BCN

2 stops17h 50mUnited Airlines

Thu 2/55:50 amBCN - GEG

3 stops24h 32mUnited Airlines

Deal found 12/15

$541

Fri 1/303:18 pmBOI - BCN

2 stops17h 12mAmerican Airlines

Fri 2/610:40 amBCN - BOI

1 stop16h 45mAmerican Airlines

Deal found 12/16

$481

Fri 1/307:20 amBOI - BCN

1 stop17h 30mMultiple Airlines

Fri 2/610:40 amBCN - BOI

1 stop16h 45mMultiple Airlines

Deal found 12/16

$484

Fri 1/305:00 amGEG - BCN

2 stops27h 35mUnited Airlines

Tue 2/31:35 pmBCN - GEG

2 stops34h 46mUnited Airlines

Deal found 12/16

$595

Fri 1/306:10 amBOI - BCN

2 stops27h 25mUnited Airlines

Tue 2/31:35 pmBCN - BOI

2 stops32h 00mUnited Airlines

Deal found 12/17

$695

Sat 1/312:07 pmIDA - BCN

2 stops22h 08mMultiple Airlines

Sat 2/710:40 amBCN - IDA

2 stops20h 19mMultiple Airlines

Deal found 12/17

$485

Sat 1/317:20 amBOI - BCN

1 stop17h 30mIberia

Sat 2/710:40 amBCN - BOI

1 stop34h 28mIberia

Deal found 12/17

$501

Sat 1/313:21 pmBOI - BCN

2 stops18h 34mAmerican Airlines

Sat 2/710:40 amBCN - BOI

1 stop16h 45mAmerican Airlines

Deal found 12/17

$681

One-way flights from Idaho to Barcelona-El Prat
Search for one-way flight options from Idaho to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Tue 3/246:00 amBOI - BCN

3 stops35h 05mMultiple Airlines

Deal found 12/16

$393

Tue 3/246:15 amBOI - BCN

2 stops19h 20mAir Canada

Deal found 12/16

$398

Sat 1/316:53 amGEG - BCN

2 stops41h 42mUnited Airlines

Deal found 12/17

$610

Sat 5/165:20 amGEG - BCN

2 stops22h 05mWestJet

Deal found 12/15

$669

Sun 4/512:00 pmBOI - BCN

2 stops23h 45mLufthansa

Deal found 12/16

$697

Sat 5/167:00 amGEG - BCN

2 stops40h 20mLufthansa

Deal found 12/15

$713

Sun 4/51:59 pmBOI - BCN

1 stop14h 51mKLM

Deal found 12/16

$718

Sat 5/164:00 pmGEG - BCN

2 stops31h 20mUnited Airlines

Deal found 12/16

$724

Sun 4/56:15 amBOI - BCN

3 stops19h 05mAir Canada

Deal found 12/16

$725

Sat 5/161:45 pmGEG - BCN

2 stops34h 35mAir Canada

Deal found 12/14

$725

Wed 6/37:27 amBOI - BCN

2 stops21h 18mIberia

Deal found 12/17

$818

Wed 5/131:02 pmBOI - BCN

2 stops18h 58mMultiple Airlines

Deal found 12/17

$836

Find flight deals from Idaho to Barcelona-El Prat

Round-trip from	$468 (United Airlines)
One-way from	$393 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$1,269

From Idaho to Barcelona-El Prat

Search Deals

One-way flight from Idaho to Barcelona-El Prat

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($247 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to Barcelona-El Prat Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Thu 2/5

6:53 am-9:35 am

2 stops41h 42m

Barcelona-El Prat

Tue 2/17

1:35 pm-6:03 pm

2 stops37h 28m

$468

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Mon 2/2

6:53 am-5:35 pm

2 stops25h 42m

Barcelona-El Prat

Sun 2/8

5:50 am-7:16 pm

2 stops22h 26m

$476

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

4:02 pm-4:30 pm

2 stops16h 28m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$481

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

10:40 am-10:36 pm

1 stop19h 56m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 1/30

7:20 am-8:50 am

1 stop17h 30m

Barcelona-El Prat

Fri 2/6

10:40 am-7:25 pm

1 stop16h 45m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

10:40 am-10:36 pm

1 stop19h 56m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

7:00 am-7:50 am

1 stop17h 50m

Barcelona-El Prat

Mon 3/16

10:40 am-10:36 pm

1 stop18h 56m

$484

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Mon 2/2

6:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/8

10:40 am-6:49 pm

1 stop17h 09m

$484

SpokaneBarcelona

GEG - BCN

GEGBCN

Spokane

Thu 1/29

6:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Thu 2/5

10:40 am-6:49 pm

1 stop17h 09m

$484

Idaho FallsBarcelona

IDA - BCN

IDABCN

Idaho Falls Fanning Field

Sat 1/31

2:07 pm-8:15 pm

2 stops22h 08m

Barcelona-El Prat

Sat 2/7

10:40 am-10:59 pm

2 stops20h 19m

$485

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 29 results

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, February is the cheapest month in which you can book a flight from Idaho to Barcelona-El Prat Airport (average of $482). Flying from Idaho to Barcelona-El Prat Airport in January is currently the most expensive (average of $1,292). 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?

When flying from Idaho to Barcelona-El Prat Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the afternoon.

Related info for your journey

How long is the flight from Idaho to Barcelona-El Prat Airport?
A quick flight from Idaho to Barcelona-El Prat Airport can take about 17h 50m. United Airlines provides one of the quickest options available for as low as $484. The distance from Idaho to Barcelona-El Prat Airport is about 5431 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the most popular routes from Idaho to Barcelona-El Prat Airport?
The most popular route from Idaho to Barcelona-El Prat Airport is Boise Air Term. Gowen Fld - Barcelona-El Prat. You may also consider Spokane - Barcelona-El Prat or Idaho Falls Fanning Field - Barcelona-El Prat.
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, February is the cheapest month in which you can book a flight from Idaho to Barcelona-El Prat Airport (average of $482). Flying from Idaho to Barcelona-El Prat Airport in January is currently the most expensive (average of $1,292). 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

Calella

Roses

L'Hospitalet de Llobregat

Cadaques

El Prat de Llobregat

Badalona

Pineda de Mar

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Idaho to Barcelona-El Prat

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$552	Average$863	FlexibilityNo cancel fee	On-time69%
Finnair	Cheapest$637	Average$972	FlexibilityNo cancel fee	On-time76%
American Airlines	Cheapest$641	Average$1,040	FlexibilityNo cancel fee	On-time71%
Air Canada	Cheapest$651	Average$865	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$726	Average$954	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$393+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho to Barcelona-El Prat with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho to Barcelona-El Prat

Cheapest flights from Idaho to Barcelona-El PratExplore 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 December 18, 2025.

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 December 18, 2025.

Find 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 December 18, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to Barcelona-El Prat Airport that are best for you.

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.

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?

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 December 18, 2025.

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.

How long is the flight from Idaho to Barcelona-El Prat Airport?

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?

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

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

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

Traveling to a place near Barcelona-El Prat Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Barcelona-El Prat

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

Top 5 airlines flying from Idaho to Barcelona-El Prat

100% Free

Book with Flexibility

Travel Smart

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 December 18, 2025.