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$350+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
BCN — BOI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$858
(American Airlines)

One-way from

$350
(Kiwi.com)
From Barcelona-El Prat to Boise Air Term. Gowen Fld
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One-way flight from Barcelona-El Prat to Boise Air Term. Gowen Fld
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Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:40 amBCN - BOI
2 stops20h 22mAmerican Airlines
Sun 10/51:37 pmBOI - BCN
1 stop36h 33mAmerican Airlines
Deal found 9/11$858
This Iberia deal was found by Cheapflights users on 9/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:40 amBCN - BOI
2 stops23h 29mIberia
Mon 11/107:00 amBOI - BCN
2 stops22h 40mIberia
Deal found 9/10$894
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/111:15 amBCN - BOI
2 stops20h 29mUnited Airlines
Sun 10/510:45 amBOI - BCN
2 stops18h 30mUnited Airlines
Deal found 9/11$918
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:00 amBCN - BOI
2 stops19h 45mUnited Airlines
Mon 11/108:17 amBOI - BCN
1 stop20h 48mUnited Airlines
Deal found 9/9$921
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/266:00 amBCN - BOI
2 stops23h 52mDelta
Sun 11/211:39 pmBOI - BCN
1 stop25h 01mDelta
Deal found 9/11$965
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Wed 10/112:10 pmBCN - BOI
3 stops31h 29mMultiple Airlines
Sun 10/58:20 amBOI - BCN
2 stops17h 00mMultiple Airlines
Deal found 9/11$1,113
This Air Canada deal was found by Cheapflights users on 9/11. 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.
Wed 10/112:10 pmBCN - BOI
3 stops31h 29mAir Canada
Sun 10/55:39 pmBOI - BCN
3 stops31h 41mAir Canada
Deal found 9/11$1,136
This Flighttix deal was found by Cheapflights users on 9/11. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1211:35 amBCN - BOI
1 stop18h 48mVirgin Atlantic
Fri 9/191:25 pmBOI - BCN
1 stop35h 55mVirgin Atlantic
Deal found 9/11$1,426
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/126:10 amBCN - BOI
3 stops39h 11mMultiple Airlines
Fri 9/199:26 pmBOI - BCN
3 stops35h 29mMultiple Airlines
Deal found 9/11$1,453

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 September 11, 2025.
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

Wed 10/1

7:40 am-8:02 pm

2 stops20h 22m

Boise Air Term. Gowen Fld

Sun 10/5

1:37 pm-10:10 am

1 stop36h 33m

$858

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/6

6:40 am-10:09 pm

2 stops23h 29m

Boise Air Term. Gowen Fld

Mon 11/10

7:00 am-1:40 pm

2 stops22h 40m

$894

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 10/1

4:00 pm-11:44 pm

1 stop15h 44m

Boise Air Term. Gowen Fld

Sun 10/5

3:10 pm-1:15 pm

1 stop14h 05m

$918

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/6

3:05 pm-10:45 pm

1 stop15h 40m

Boise Air Term. Gowen Fld

Mon 11/10

12:35 pm-1:05 pm

1 stop16h 30m

$918

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Sun 10/26

6:00 am-10:52 pm

2 stops23h 52m

Boise Air Term. Gowen Fld

Sun 11/2

11:39 pm-8:40 am

1 stop25h 01m

$965

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Wed 10/1

12:10 pm-11:39 am

3 stops31h 29m

Boise Air Term. Gowen Fld

Sun 10/5

5:39 pm-9:20 am

3 stops31h 41m

$1,136

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/13

10:10 pm-3:12 pm

3 stops49h 02m

$350

BarcelonaBoise

BCN - BOI

BCNBOI

Barcelona-El Prat

Thu 11/13

10:55 am-10:25 pm

1 stop19h 30m

$914

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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 $918, American Airlines can have you in Boise from Barcelona-El Prat Airport in 15h 44m. The distance from Barcelona-El Prat Airport to Boise is about 5431 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

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

    Currently, October is the cheapest month in which you can book a flight from Barcelona-El Prat Airport to Boise (average of $314). Flying from Barcelona-El Prat Airport to Boise in June is currently the most expensive (average of $398). 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 Boise?

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Nampa
Caldwell
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