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$230+ Cheap flights from Idaho to Europe

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Mar 6 — Mar 131
Fri 3/6
Fri 3/13
1 adult, Economy
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Cheap flight deals from Idaho to Europe

Cheapest flights from Idaho to Europe
Explore the most affordable flight options available from Idaho to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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 4/216:15 am
BOI
-
DUB
2 stops18h 05m
United Airlines
Thu 5/79:50 am
DUB
-
BOI
2 stops43h 55m
United Airlines
Deal found 2/1$469
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/32:40 pm
BOI
-
BCN
2 stops34h 55m
United Airlines
Tue 3/1012:35 pm
BCN
-
BOI
2 stops30h 38m
United Airlines
Deal found 2/3$470
This United Airlines deal was found by Cheapflights users on 2/3. 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 3/96:55 pm
BOI
-
BCN
2 stops30h 25m
United Airlines
Mon 3/1612:35 pm
BCN
-
BOI
2 stops30h 38m
United Airlines
Deal found 2/3$471
This United Airlines deal was found by Cheapflights users on 2/1. 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 2/59:48 am
BOI
-
DUB
2 stops15h 22m
United Airlines
Fri 2/209:30 am
DUB
-
BOI
2 stops21h 18m
United Airlines
Deal found 2/1$474
This Gotogate deal was found by Cheapflights users on 2/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:25 am
BOI
-
DUB
2 stops17h 45m
Multiple Airlines
Tue 3/109:10 am
DUB
-
BOI
2 stops18h 19m
Multiple Airlines
Deal found 2/4$480
This KLM deal was found by Cheapflights users on 2/1. 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.
Sat 2/71:00 pm
BOI
-
DUB
2 stops20h 20m
KLM
Sat 2/145:55 am
DUB
-
BOI
2 stops19h 27m
KLM
Deal found 2/1$483
This American Airlines deal was found by Cheapflights users on 2/3. 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 3/31:35 pm
BOI
-
BCN
2 stops18h 30m
American Airlines
Tue 3/109:35 am
BCN
-
BOI
1 stop19h 48m
American Airlines
Deal found 2/3$484
This United Airlines deal was found by Cheapflights users on 2/3. 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 2/258:05 am
BOI
-
DUB
1 stop17h 05m
United Airlines
Tue 3/310:40 am
DUB
-
BOI
1 stop15h 07m
United Airlines
Deal found 2/3$485
This Iberia deal was found by Cheapflights users on 2/3. 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.
Wed 2/257:00 am
BOI
-
DUB
2 stops27h 00m
Multiple Airlines
Tue 3/38:50 am
DUB
-
BOI
2 stops20h 32m
Multiple Airlines
Deal found 2/3$486
This Priceline deal was found by Cheapflights users on 2/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/37:00 am
BOI
-
BCN
1 stop17h 50m
Finnair
Tue 3/109:35 am
BCN
-
BOI
1 stop19h 48m
Finnair
Deal found 2/3$487
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/105:30 am
BOI
-
DUB
1 stop20h 15m
Delta
Wed 3/259:45 am
DUB
-
BOI
1 stop17h 24m
Delta
Deal found 2/1$487
This KLM deal was found by Cheapflights users on 2/3. 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.
Tue 2/2410:45 am
BOI
-
DUB
2 stops15h 00m
KLM
Tue 3/35:55 am
DUB
-
BOI
2 stops19h 27m
KLM
Deal found 2/3$488

Find flight deals from Idaho to Europe

Keep the following information in mind while searching for Idaho to Europe flight deals. Data was last updated February 4, 2026.

Round-trip from

$469
(United Airlines)

One-way from

$230
(Iberia)

Popular in

February

Cheapest in

October

Average price

$1,300
From Idaho to Europe
Search Deals
One-way flight from Idaho to Europe
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Europe 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 4, 2026.
Use the filters below to find and compare flights from Idaho to Europe that are best for you.

Fly from

Idaho

Fly to

Europe

Route

Depart

Return

Price

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 4/21

6:15 am-7:20 am

2 stops18h 05m

Dublin

Thu 5/7

9:50 am-10:45 pm

2 stops43h 55m

$469

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 3/3

2:40 pm-9:35 am

2 stops34h 55m

Barcelona-El Prat

Tue 3/10

12:35 pm-12:13 pm

2 stops30h 38m

$470

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

6:55 pm-8:20 am

2 stops30h 25m

Barcelona-El Prat

Mon 3/16

12:35 pm-12:13 pm

2 stops30h 38m

$471

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 3/3

6:25 am-7:10 am

2 stops17h 45m

Dublin

Tue 3/10

9:10 am-9:29 pm

2 stops18h 19m

$480

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sat 2/7

1:00 pm-4:20 pm

2 stops20h 20m

Dublin

Sat 2/14

5:55 am-6:22 pm

2 stops19h 27m

$483

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 2/24

5:20 am-7:45 am

1 stop19h 25m

Dublin

Tue 3/3

5:55 am-4:15 pm

2 stops17h 20m

$483

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 2/25

12:16 pm-10:20 am

2 stops15h 04m

Dublin

Tue 3/3

10:40 am-6:47 pm

1 stop15h 07m

$485

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 3/10

5:30 am-7:45 am

1 stop20h 15m

Dublin

Wed 3/25

9:45 am-9:09 pm

1 stop17h 24m

$487

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 4/21

6:15 am-8:15 am

2 stops19h 00m

Dublin

Wed 5/6

9:50 am-10:16 pm

2 stops19h 26m

$488

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 4/21

5:34 am-7:55 am

1 stop19h 21m

Dublin

Thu 5/7

8:55 am-8:18 pm

2 stops18h 23m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Europe

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

What is the cheapest month to book a flight from Idaho to Europe?

Currently, March is the cheapest month in which you can book a flight from Idaho to Europe (average of $471). Flying from Idaho to Europe in June is currently the most expensive (average of $776). 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.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Europe. 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 Europe?

    For as low as $469, United Airlines can have you in Europe from Idaho in 18h 05m. The distance between Idaho and Europe is about 4560 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Idaho to Europe that include hotel bookings?

    Yes. In addition to deals on Idaho to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Europe.

  • Can I find deals for business class flights from Idaho to Europe?

    Yes. Cheapflights offers flight deals from Idaho to Europe 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 Europe?

    Currently, March is the cheapest month in which you can book a flight from Idaho to Europe (average of $471). Flying from Idaho to Europe in June is currently the most expensive (average of $776). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to Europe

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Idaho to Europe

Discover the top 9 airlines that operate flights from Idaho to Europe. 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 February 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$668FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$491Average$1,467FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$493Average$881FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$868FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$901FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$892FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$602Average$996FlexibilityNo cancel feeOn-time67%
Scandinavian AirlinesCheapest$642Average$1,052FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$840Average$988FlexibilityNo cancel feeOn-time77%

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