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$229+ 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
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 January 23, 2026.

This Air Canada deal was found by Cheapflights users on 1/21. 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 4/147:03 pm
BOI
-
BCN
2 stops30h 17m
Air Canada
Tue 4/211:15 pm
BCN
-
BOI
2 stops32h 16m
Air Canada
Deal found 1/21$428
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/248:05 am
BOI
-
FCO
1 stop15h 40m
United Airlines
Tue 3/1012:10 pm
FCO
-
BOI
2 stops41h 46m
United Airlines
Deal found 1/21$442
This United Airlines deal was found by Cheapflights users on 1/21. 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
-
BCN
2 stops18h 05m
United Airlines
Thu 4/3012:15 pm
BCN
-
BOI
2 stops42h 30m
United Airlines
Deal found 1/21$444
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/175:00 am
BOI
-
FCO
2 stops20h 25m
United Airlines
Tue 3/31:05 pm
FCO
-
BOI
2 stops39h 50m
United Airlines
Deal found 1/21$445
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:40 pm
BOI
-
FCO
2 stops36h 25m
Air Canada
Tue 3/1012:10 pm
FCO
-
BOI
2 stops41h 46m
Air Canada
Deal found 1/21$456
This United Airlines deal was found by Cheapflights users on 1/22. 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 2/257:00 am
GEG
-
DUB
1 stop17h 10m
United Airlines
Sun 3/19:00 am
DUB
-
GEG
2 stops45h 04m
United Airlines
Deal found 1/22$458
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/206:25 am
BOI
-
DUB
2 stops20h 30m
United Airlines
Fri 2/279:00 am
DUB
-
BOI
2 stops43h 32m
United Airlines
Deal found 1/21$462
This United Airlines deal was found by Cheapflights users on 1/23. 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 2/105:00 am
GEG
-
DUB
2 stops19h 10m
United Airlines
Mon 2/239:00 am
DUB
-
GEG
2 stops35h 42m
United Airlines
Deal found 1/23$462
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Fri 2/206:38 am
BOI
-
BCN
2 stops18h 22m
American Airlines
Fri 2/2712:30 pm
BCN
-
BOI
2 stops19h 08m
American Airlines
Deal found 1/23$465
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/175:00 am
BOI
-
FCO
2 stops20h 25m
United Airlines
Tue 2/249:45 am
FCO
-
BOI
2 stops21h 38m
United Airlines
Deal found 1/21$465
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:25 am
BOI
-
DUB
2 stops17h 45m
Air Canada
Fri 2/279:00 am
DUB
-
BOI
2 stops38h 02m
Air Canada
Deal found 1/21$466
This United Airlines deal was found by Cheapflights users on 1/22. 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 3/26:25 am
BOI
-
FCO
2 stops20h 40m
United Airlines
Wed 3/119:45 am
FCO
-
BOI
1 stop20h 11m
United Airlines
Deal found 1/22$466

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 January 23, 2026.

Round-trip from

$428
(Air Canada)

One-way from

$229
(American Airlines)

Popular in

May

Cheapest in

October

Average price

$776
From Idaho to Europe
Search Deals
One-way flight from Idaho to Europe
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 23, 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

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Tue 2/24

8:05 am-7:45 am

1 stop15h 40m

Rome Fiumicino

Tue 3/10

12:10 pm-10:56 pm

2 stops41h 46m

$442

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 4/21

6:15 am-8:20 am

2 stops18h 05m

Barcelona-El Prat

Thu 4/30

12:15 pm-10:45 pm

2 stops42h 30m

$444

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Tue 2/17

5:00 am-9:25 am

2 stops20h 25m

Rome Fiumicino

Tue 3/3

1:05 pm-8:55 pm

2 stops39h 50m

$445

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 2/25

7:00 am-8:10 am

1 stop17h 10m

Dublin

Sun 3/1

9:00 am-9:17 pm

2 stops44h 17m

$458

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 2/20

6:25 am-9:55 am

2 stops20h 30m

Dublin

Fri 2/27

9:00 am-9:32 pm

2 stops43h 32m

$462

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 2/10

5:00 am-8:10 am

2 stops19h 10m

Dublin

Mon 2/23

9:00 am-6:16 pm

2 stops41h 16m

$462

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 2/4

4:10 pm-8:10 am

2 stops32h 00m

Dublin

Sun 2/8

9:00 am-7:16 pm

2 stops42h 16m

$462

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sat 2/21

7:00 am-9:55 am

2 stops18h 55m

Dublin

Sat 2/28

9:00 am-9:07 pm

2 stops44h 07m

$462

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 2/22

6:45 am-7:45 am

1 stop17h 00m

Dublin

Sun 3/1

5:55 am-7:57 pm

2 stops22h 02m

$482

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 4/21

5:30 am-7:55 am

1 stop19h 25m

Dublin

Wed 4/29

11:10 am-12:12 am

2 stops20h 02m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

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 $442, United Airlines can have you in Europe from Idaho in 15h 40m. The distance between Idaho and Europe is about 5725 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 airlines flying from Idaho to Europe

Discover the top 10 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 January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$675FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$892FlexibilityNo cancel feeOn-time69%
DeltaCheapest$546Average$912FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$577Average$843FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$602Average$974FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$602Average$1,000FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$604Average$944FlexibilityNo cancel feeOn-time72%
FinnairCheapest$637Average$927FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$642Average$1,052FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$722Average$988FlexibilityNo cancel feeOn-time77%

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