$442+ Cheap flights from Boise (BOI) to Barcelona-El Prat (BCN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BCN
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Boise 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 Boise to Barcelona-El Prat
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Cheapest flights from Boise to Barcelona-El PratExplore the most affordable flight options available from Boise to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Boise to Barcelona-El Prat. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 pm -
2 stops28h 55m
Wed 10/73:15 pm -
2 stops26h 19m
Deal found 9/9![Air Canada logo]()
$581
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Sat 11/77:10 pm -
2 stops30h 25m
Wed 11/181:35 pm -
2 stops29h 56m
Deal found 9/13![Multiple Airlines logo]()
$584
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:21 pm -
2 stops17h 04m
Wed 10/710:45 am -
1 stop19h 54m
Deal found 9/9![American Airlines logo]()
$585
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:02 am -
1 stop19h 08m
Wed 10/710:45 am -
1 stop19h 54m
Deal found 9/9![Iberia logo]()
$586
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:52 pm -
2 stops17h 48m
Tue 10/612:20 pm -
2 stops19h 39m
Deal found 9/9![Multiple Airlines logo]()
$597
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.
Sat 11/75:44 pm -
2 stops31h 16m
Wed 11/1810:30 am -
2 stops20h 29m
Deal found 9/11![United Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 9/13. 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 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/13![Delta logo]()
$601
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 11/1112:31 pm -
1 stop16h 44m
Thu 11/263:10 pm -
1 stop28h 21m
Deal found 9/11![United Airlines logo]()
$602
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/115:00 am -
2 stops20h 20m
Wed 10/214:05 pm -
1 stop15h 54m
Deal found 9/12![United Airlines logo]()
$603
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:44 am -
2 stops23h 56m
Mon 12/79:15 pm -
2 stops24h 36m
Deal found 9/10![Iberia logo]()
$605
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 am -
2 stops19h 00m
Wed 10/211:15 pm -
2 stops28h 19m
Deal found 9/11![Air Canada logo]()
$607
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/111:24 pm -
2 stops19h 11m
Thu 11/2612:00 pm -
2 stops31h 28m
Deal found 9/10![American Airlines logo]()
$609
Best flights from Boise to Barcelona-El PratDiscover carefully curated flight deals from Boise to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Boise to Barcelona-El Prat that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 11/1112:31 pm -
1 stop16h 44m
Thu 11/263:10 pm -
1 stop28h 21m
Deal found 9/12![United Airlines logo]()
$602
This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:44 am -
2 stops22h 26m
Mon 12/78:00 am -
2 stops46h 42m
Deal found 9/9![Multiple Airlines logo]()
$628
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/10![Delta logo]()
$641
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/115:00 am -
2 stops20h 20m
Wed 10/214:05 pm -
1 stop15h 54m
Deal found 9/12![United Airlines logo]()
$603
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/247:10 pm -
2 stops29h 50m
Sun 12/610:30 am -
2 stops36h 20m
Deal found 9/13![United Airlines logo]()
$650
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.
Tue 12/14:24 pm -
2 stops32h 36m
Mon 12/711:00 am -
3 stops36h 06m
Deal found 9/9![United Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/245:00 am -
2 stops20h 35m
Mon 12/71:35 pm -
2 stops28h 24m
Deal found 9/13![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/236:30 am -
2 stops18h 30m
Thu 12/1010:30 am -
2 stops31h 29m
Deal found 9/13![United Airlines logo]()
$656
Last-minute flights from Boise to Barcelona-El PratDiscover last-minute flight deals from Boise to Barcelona-El Prat. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Barcelona-El Prat. Data last updated September 13, 2026 and is based on user searches.
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:05 pm -
2 stops28h 55m
Wed 10/73:15 pm -
2 stops26h 19m
Deal found 9/9![Air Canada logo]()
$581
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:21 pm -
2 stops17h 04m
Wed 10/710:45 am -
1 stop19h 54m
Deal found 9/9![American Airlines logo]()
$585
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:02 am -
1 stop19h 08m
Wed 10/710:45 am -
1 stop19h 54m
Deal found 9/9![Iberia logo]()
$586
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:52 pm -
2 stops17h 48m
Tue 10/612:20 pm -
2 stops19h 39m
Deal found 9/9![Multiple Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 9/13. 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 10/1111:10 pm -
1 stop29h 40m
Wed 10/211:20 pm -
1 stop16h 48m
Deal found 9/13![Delta logo]()
$601
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/115:00 am -
2 stops20h 20m
Wed 10/214:05 pm -
1 stop15h 54m
Deal found 9/12![United Airlines logo]()
$603
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 am -
2 stops19h 00m
Wed 10/211:15 pm -
2 stops28h 19m
Deal found 9/11![Air Canada logo]()
$607
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:26 pm -
1 stop16h 49m
Thu 10/293:10 pm -
1 stop27h 21m
Deal found 9/11![Lufthansa logo]()
$638
One-way flights from Boise to Barcelona-El PratSearch for one-way flight options from Boise to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Boise to Barcelona-El Prat. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:59 pm -
3 stops38h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$442
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1212:14 pm -
2 stops18h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$461
This Air Canada deal was found by Cheapflights users on 9/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am -
3 stops20h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Air Canada logo]()
$521
This Air Canada deal was found by Cheapflights users on 9/13. 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.
Mon 10/126:25 am -
3 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$940
Find flight deals from Boise to Barcelona-El Prat
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Barcelona-El Prat (BCN). 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 13, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $584 (Air Canada) |
One-way from | $442 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $839 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 7,457,451 searches. Data last updated September 13, 2026.
Use the filters below to find and compare flights from Boise to Barcelona-El Prat Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 11/10
6:37 am-1:10 pm
2 stops22h 33m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$460
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 10/13
3:24 pm-6:40 pm
2 stops19h 16m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$461
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 10/13
6:45 am-11:10 am
1 stop20h 25m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
Quickest round-trip
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Mon 10/12
12:14 pm-10:10 am
1 stop13h 56m
Barcelona-El Prat
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$463
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Wed 11/11
12:31 pm-1:15 pm
1 stop16h 44m
Barcelona-El Prat
Thu 11/26
3:10 pm-11:31 am
1 stop28h 21m
$602
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/11
5:00 am-9:20 am
2 stops20h 20m
Barcelona-El Prat
Wed 10/21
4:05 pm-11:59 pm
1 stop15h 54m
$603
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 12/1
6:44 am-1:10 pm
2 stops22h 26m
Barcelona-El Prat
Mon 12/7
8:00 am-10:42 pm
2 stops46h 42m
$628
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/11
11:10 pm-12:50 pm
1 stop29h 40m
Barcelona-El Prat
Wed 10/21
1:20 pm-10:08 pm
1 stop16h 48m
$641
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 11/24
7:10 pm-9:00 am
2 stops29h 50m
Barcelona-El Prat
Sun 12/6
10:30 am-2:50 pm
2 stops36h 20m
$650
BoiseBarcelona
BOI Boise Air Term. Gowen Fld - BCN Barcelona-El Prat
BOIBCN
Boise Air Term. Gowen Fld
Tue 12/1
4:24 pm-9:00 am
2 stops32h 36m
Barcelona-El Prat
Mon 12/7
11:00 am-3:06 pm
3 stops36h 06m
$650
Showing 1-10 of 12 resultsSorted by cheapest first
Compare providers for flights from Boise to Barcelona-El Prat
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Barcelona-El Prat in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Barcelona-El Prat Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boise-Barcelona-El Prat Airport flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boise-Barcelona-El Prat Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Barcelona-El Prat Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Boise-Barcelona-El Prat Airport 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 Boise to Barcelona-El Prat
Have a flexible travel schedule? Discover the best time to fly to Barcelona-El Prat from Boise with our price prediction graph.
BOI-BCN
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 Boise to Barcelona-El Prat Airport
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 September 13, 2026.
See what other customers who have flown with Delta,United Airlines, andAir Canada from Boise to Barcelona-El Prat Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Boarding
8.1
Comfort
7.8
Food
7.2
Crew
8.5
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Boise 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.
Traveling to a place near Barcelona-El Prat Airport?
Book flights to Barcelona-El Prat Airport if you plan to visit one of these locationsRoses
Calella
Badalona
L'Hospitalet de Llobregat
El Prat de Llobregat
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Complete your trip
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Boise and Barcelona-El Prat flights
Browse other Boise and Barcelona-El Prat flight options. Last updated on September 13, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on September 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Boise to Barcelona-El Prat
Discover the top 4 airlines that operate flights from Boise 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 7,457,451 searches. Data last updated September 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$483 | Average$1,142 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$498 | Average$782 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$599 | Average$999 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$856 | Average$865 | FlexibilityNo cancel fee | On-time67% |