$353+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BCN
Jul 1 — Jul 81
1 adult, Economy
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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
Keep the following information in mind while searching for Idaho to Barcelona-El Prat flight deals. Data was last updated June 26, 2025.
Round-trip from | $489 (FlightHub) |
|---|---|
One-way from | $353 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,647 |
Find 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 June 26, 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 June 26, 2025.
This FlightHub deal was found by Cheapflights users on 6/25. 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.
Sun 10/125:00 amBOI - BCN
2 stops18h 50mAir Canada
Wed 10/2212:10 pmBCN - BOI
2 stops29h 32mAir Canada
Deal found 6/25![Air Canada logo]()
$489
This United Airlines deal was found by Cheapflights users on 6/25. 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 10/110:45 amBOI - BCN
2 stops20h 45mUnited Airlines
Tue 10/712:10 pmBCN - BOI
2 stops41h 14mUnited Airlines
Deal found 6/25![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Fri 10/1012:40 pmJAC - BCN
2 stops59h 10mUnited Airlines
Mon 10/279:55 amBCN - JAC
2 stops60h 30mUnited Airlines
Deal found 6/25![United Airlines logo]()
$517
This Gurufare deal was found by Cheapflights users on 6/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:35 pmBOI - BCN
2 stops21h 00mLufthansa
Thu 11/273:05 pmBCN - BOI
1 stop15h 50mLufthansa
Deal found 6/25![Lufthansa logo]()
$525
This United Airlines deal was found by Cheapflights users on 6/25. 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 10/167:15 amGEG - BCN
1 stop21h 45mUnited Airlines
Thu 10/303:05 pmBCN - GEG
2 stops29h 40mUnited Airlines
Deal found 6/25![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 6/25. 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 10/265:30 pmJAC - BCN
2 stops31h 10mDelta
Mon 11/101:00 pmBCN - JAC
2 stops33h 03mDelta
Deal found 6/25![Delta logo]()
$539
This Virgin Atlantic deal was found by Cheapflights users on 6/25. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:43 pmBOI - BCN
1 stop34h 57mVirgin Atlantic
Mon 11/1710:55 amBCN - BOI
1 stop19h 48mVirgin Atlantic
Deal found 6/25![Virgin Atlantic logo]()
$539
This Air France deal was found by Cheapflights users on 6/24. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:40 amBOI - BCN
2 stops18h 20mMultiple Airlines
Thu 11/276:00 amBCN - BOI
2 stops25h 04mMultiple Airlines
Deal found 6/24![Multiple Airlines logo]()
$564
This Iberia deal was found by Cheapflights users on 6/25. 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 10/121:41 pmBOI - BCN
2 stops20h 34mIberia
Wed 10/2212:20 pmBCN - BOI
1 stop16h 52mIberia
Deal found 6/25![Iberia logo]()
$586
This American Airlines deal was found by Cheapflights users on 6/25. 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 10/11:07 pmBOI - BCN
1 stop13h 23mAmerican Airlines
Tue 10/712:20 pmBCN - BOI
1 stop16h 52mAmerican Airlines
Deal found 6/25![American Airlines logo]()
$620
This Delta deal was found by Cheapflights users on 6/25. 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 9/1410:59 pmGEG - BCN
1 stop25h 21mDelta
Sun 10/129:55 amBCN - GEG
2 stops23h 23mDelta
Deal found 6/25![Delta logo]()
$620
This lol.travel deal was found by Cheapflights users on 6/26. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/411:44 amBOI - BCN
1 stop14h 26mFinnair
Tue 8/1912:20 pmBCN - BOI
1 stop17h 23mFinnair
Deal found 6/26![Finnair logo]()
$624
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 26, 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
Sun 10/12
5:00 am-7:50 am
2 stops18h 50m
Barcelona-El Prat
Wed 10/22
12:10 pm-9:42 am
2 stops29h 32m
$489
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Wed 10/1
10:45 am-3:30 pm
2 stops20h 45m
Barcelona-El Prat
Tue 10/7
12:10 pm-9:24 pm
2 stops41h 14m
$509
JacksonBarcelona
JAC - BCN
JACBCN
Jackson Hole
Fri 10/10
12:40 pm-7:50 am
2 stops59h 10m
Barcelona-El Prat
Mon 10/27
9:55 am-3:25 pm
2 stops60h 30m
$517
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Wed 11/19
12:35 pm-5:35 pm
2 stops21h 00m
Barcelona-El Prat
Thu 11/27
3:05 pm-10:55 pm
1 stop15h 50m
$525
JacksonBarcelona
JAC - BCN
JACBCN
Jackson Hole
Sun 10/26
5:30 pm-7:40 am
2 stops31h 10m
Barcelona-El Prat
Mon 11/10
1:00 pm-2:03 pm
2 stops33h 03m
$539
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Sat 11/8
1:43 pm-8:40 am
1 stop34h 57m
Barcelona-El Prat
Mon 11/17
10:55 am-10:43 pm
1 stop19h 48m
$539
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Wed 11/19
5:40 am-8:00 am
2 stops18h 20m
Barcelona-El Prat
Thu 11/27
6:00 am-11:04 pm
2 stops25h 04m
$564
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Sun 10/12
1:41 pm-6:15 pm
2 stops20h 34m
Barcelona-El Prat
Wed 10/22
12:20 pm-9:12 pm
1 stop16h 52m
$586
BoiseBarcelona
BOI - BCN
BOIBCN
Boise Air Term. Gowen Fld
Wed 10/1
1:07 pm-10:30 am
1 stop13h 23m
Barcelona-El Prat
Tue 10/7
12:20 pm-9:12 pm
1 stop16h 52m
$620
SpokaneBarcelona
GEG - BCN
GEGBCN
Spokane
Sun 9/14
10:59 pm-9:20 am
1 stop25h 21m
Barcelona-El Prat
Sun 10/12
9:55 am-12:18 am
2 stops23h 23m
$620
Showing 1-10 of 38 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, 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 26, 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.
How much does it cost to fly round-trip from Idaho 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 June 26, 2025.
Read through reviews of airlines operating flights from Idaho to Barcelona-El Prat Airport, such as Delta, KLM, and Finnair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
Entertainment
7.9
Boarding
8.2
Crew
8.5
Overall
8.0
Comfort
7.9
Food
7.3
Reviews
1 / 20
10.0
ExcellentKim,May 2025
PIH - SLC
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.
Traveling to a place near Idaho?
Book flights to Idaho if you plan to visit one of these locationsCalella
Castelldefels
Cadaques
L'Hospitalet de Llobregat
El Prat de Llobregat
Badalona
Pineda de Mar
Santa Susanna
Browse thousands of different options on Cheapflights for your next trip
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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 26, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$570 | Average$902 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$586 | Average$977 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$641 | Average$1,041 | FlexibilityNo cancel fee | On-time71% |