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$339+ Cheap flights from Barcelona-El Prat (BCN) to Boise (BOI)

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
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Barcelona-El Prat to Boise

Cheapest flights from Barcelona-El Prat to Boise
Explore the most affordable flight options available from Barcelona-El Prat to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Expedia deal was found by Cheapflights users on 2/17. 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.
Fri 5/110:55 am
BCN
-
BOI
2 stops20h 07m
Multiple Airlines
Sat 5/22:57 pm
BOI
-
BCN
2 stops17h 03m
Multiple Airlines
Deal found 2/17$904
This KLM deal was found by Cheapflights users on 2/19. 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.
Thu 2/266:00 am
BCN
-
BOI
2 stops18h 15m
Multiple Airlines
Mon 3/210:45 am
BOI
-
BCN
2 stops16h 25m
Multiple Airlines
Deal found 2/19$947
This KLM deal was found by Cheapflights users on 2/19. 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.
Thu 2/266:00 am
BCN
-
BOI
2 stops19h 49m
KLM
Mon 3/21:43 pm
BOI
-
BCN
1 stop34h 57m
KLM
Deal found 2/19$951
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 4/286:40 am
BCN
-
BOI
2 stops21h 33m
United Airlines
Sun 5/246:30 am
BOI
-
BCN
1 stop23h 50m
United Airlines
Deal found 2/18$955
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/166:00 am
BCN
-
BOI
2 stops23h 15m
United Airlines
Sun 4/199:26 am
BOI
-
BCN
2 stops19h 49m
United Airlines
Deal found 2/20$958
This United Airlines deal was found by Cheapflights users on 2/17. 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 5/34:10 pm
BCN
-
BOI
1 stop35h 01m
United Airlines
Sun 5/247:05 pm
BOI
-
BCN
1 stop35h 15m
United Airlines
Deal found 2/17$968

Find flight deals from Barcelona-El Prat to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Barcelona-El Prat (BCN) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$904
(Expedia)

One-way from

$339
(Kiwi.com)
Provider with most accurate pricing for Barcelona-El Prat-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Barcelona-El Prat-Boise Air Term. Gowen Fld flights.
Search Deals
From Barcelona-El Prat to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Barcelona-El Prat to Boise Air Term. Gowen Fld
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Barcelona-El Prat to Boise 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 February 21, 2026.
Use the filters below to find and compare flights from Barcelona-El Prat Airport to Boise that are best for you.

Fly from

Barcelona-El Prat

Fly to

Boise

Route

Depart

Return

Price

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Fri 5/1

10:55 am-11:02 pm

2 stops20h 07m

Boise Air Term. Gowen Fld

Sat 5/2

2:57 pm-4:00 pm

2 stops17h 03m

$904

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 4/30

6:40 am-9:17 pm

2 stops22h 37m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-9:00 am

2 stops18h 30m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Fri 5/1

6:40 am-10:45 pm

2 stops24h 05m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-9:00 am

2 stops18h 30m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 4/29

8:00 am-6:05 pm

2 stops18h 05m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-2:20 pm

1 stop23h 50m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Sat 5/2

6:40 am-10:16 pm

2 stops23h 36m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-2:20 pm

1 stop23h 50m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 4/28

6:40 am-8:13 pm

2 stops21h 33m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-2:20 pm

1 stop23h 50m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Mon 5/4

6:40 am-10:16 pm

2 stops23h 36m

Boise Air Term. Gowen Fld

Sun 5/24

6:30 am-2:20 pm

1 stop23h 50m

$955

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Fri 5/1

10:55 pm-3:33 pm

3 stops48h 38m

$460

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Tue 3/24

12:50 pm-11:20 am

3 stops53h 30m

$466

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Mon 3/16

6:10 pm-3:08 pm

2 stops27h 58m

$492

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 16 results
1
2
  • Most accurate provider: When it comes to deals on Barcelona-El Prat Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Barcelona-El Prat Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Barcelona-El Prat Airport-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Barcelona-El Prat Airport-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Barcelona-El Prat Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Barcelona-El Prat to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise 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.

Related info for your journey

Find useful and relevant information for your journey from Barcelona-El Prat to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Barcelona-El Prat?

    Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Barcelona-El Prat. On average, Air Term. Gowen Fld has 0 inbound flights from Barcelona-El Prat per day from 0 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

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

    For as low as $955, United Airlines can have you in Boise from Barcelona-El Prat Airport in 22h 37m. The distance from Barcelona-El Prat Airport to Boise is about 5431 mi.

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

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

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

    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 Boise.

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

    Yes. Cheapflights offers flight deals from Barcelona-El Prat to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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