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$334+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
May 20 — May 271
Wed 5/20
Wed 5/27
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 April 20, 2026.

This Gotogate deal was found by Cheapflights users on 4/18. 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.
Mon 8/316:30 am
BOI
-
DUB
2 stops42h 45m
Air Canada
Tue 9/159:20 am
DUB
-
BOI
2 stops43h 05m
Air Canada
Deal found 4/18$726
This United Airlines deal was found by Cheapflights users on 4/16. 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 9/15:00 am
GEG
-
DUB
2 stops43h 15m
United Airlines
Tue 9/89:20 am
DUB
-
GEG
2 stops37h 38m
United Airlines
Deal found 4/16$726
This United Airlines deal was found by Cheapflights users on 4/18. 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 8/316:30 am
BOI
-
DUB
2 stops42h 45m
United Airlines
Fri 9/49:20 am
DUB
-
BOI
2 stops35h 15m
United Airlines
Deal found 4/18$731
This American Airlines deal was found by Cheapflights users on 4/18. 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 10/209:45 am
GEG
-
DUB
2 stops15h 55m
Multiple Airlines
Tue 11/31:00 pm
DUB
-
GEG
1 stop15h 55m
Multiple Airlines
Deal found 4/18$736
This American Airlines deal was found by Cheapflights users on 4/18. 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 10/201:53 pm
GEG
-
DUB
2 stops16h 42m
American Airlines
Tue 11/31:00 pm
DUB
-
GEG
2 stops18h 09m
American Airlines
Deal found 4/18$741
This Expedia deal was found by Cheapflights users on 4/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:44 pm
BOI
-
DUB
2 stops34h 31m
Air Canada
Tue 9/89:50 am
DUB
-
BOI
2 stops18h 35m
Air Canada
Deal found 4/19$742
This Iberia deal was found by Cheapflights users on 4/16. 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.
Tue 9/11:19 pm
GEG
-
DUB
2 stops17h 16m
Multiple Airlines
Tue 9/812:40 pm
DUB
-
GEG
1 stop16h 07m
Multiple Airlines
Deal found 4/16$742
This KLM deal was found by Cheapflights users on 4/18. 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 10/207:00 am
GEG
-
DUB
1 stop16h 55m
KLM
Tue 11/39:55 am
DUB
-
GEG
1 stop17h 32m
KLM
Deal found 4/18$745
This United Airlines deal was found by Cheapflights users on 4/18. 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 10/205:00 am
GEG
-
DUB
3 stops21h 40m
United Airlines
Tue 11/312:05 pm
DUB
-
GEG
2 stops17h 04m
United Airlines
Deal found 4/18$750
This United Airlines deal was found by Cheapflights users on 4/19. 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 9/16:30 am
BOI
-
DUB
2 stops21h 10m
United Airlines
Tue 9/89:20 am
DUB
-
BOI
2 stops44h 26m
United Airlines
Deal found 4/19$753
This Air Canada deal was found by Cheapflights users on 4/18. 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 9/147:01 pm
BOI
-
DUB
2 stops29h 44m
Air Canada
Fri 9/259:50 am
DUB
-
BOI
2 stops40h 23m
Air Canada
Deal found 4/18$762
This United Airlines deal was found by Cheapflights users on 4/15. 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 11/134:00 pm
GEG
-
DUB
2 stops55h 10m
United Airlines
Tue 11/179:30 am
DUB
-
GEG
2 stops22h 08m
United Airlines
Deal found 4/15$763

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 April 20, 2026.

Round-trip from

$726
(United Airlines)

One-way from

$334
(KLM)

Popular in

November

Cheapest in

February

Average price

$979
From Idaho to Europe
Search Deals
One-way flight from Idaho to Europe
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
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 April 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 April 20, 2026.
Use the filters below to find and compare flights from Idaho to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

5:00 am-8:15 am

2 stops43h 15m

Dublin

Tue 9/8

9:20 am-2:58 pm

2 stops37h 38m

$726

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 9/1

6:30 am-10:40 am

2 stops21h 10m

Dublin

Tue 9/8

9:20 am-10:46 pm

2 stops44h 26m

$753

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 9/7

5:00 am-7:20 am

2 stops19h 20m

Dublin

Fri 9/11

9:20 am-9:25 pm

2 stops43h 05m

$783

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 8/16

5:00 am-7:45 am

2 stops18h 45m

Dublin

Tue 9/8

9:20 am-9:04 pm

2 stops19h 44m

$792

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 9/14

5:40 am-7:55 am

1 stop19h 15m

Dublin

Wed 9/23

5:55 am-11:56 pm

2 stops25h 01m

$794

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 9/27

7:00 am-7:55 am

1 stop16h 55m

Dublin

Thu 10/1

5:55 am-4:04 pm

2 stops18h 09m

$794

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 9/27

6:20 am-9:15 am

2 stops18h 55m

Dublin

Thu 10/1

11:10 am-10:48 pm

2 stops19h 38m

$799

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Thu 4/30

6:00 am-1:15 pm

1 stop23h 15m

Rome Fiumicino

Thu 5/14

3:25 pm-11:58 pm

1 stop16h 33m

$814

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 10/13

5:00 am-9:15 am

2 stops19h 15m

Rome Fiumicino

Fri 10/23

12:25 pm-3:05 pm

2 stops35h 40m

$846

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 9/14

5:40 am-7:55 am

1 stop19h 15m

Dublin

Mon 9/21

8:55 am-8:18 pm

2 stops18h 23m

$854

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Idaho to Europe (average of $399). Flying from Idaho to Europe in June is currently the most expensive (average of $607). 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 $794, United Airlines can have you in Europe from Idaho in 16h 55m. The distance between Idaho and Europe is about 4379 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Europe one-way?

    One-way options have recently been found by users for as low as $276 on American Airlines. Other airlines that offer cheap prices include United Airlines from $280 and Iberia from $360 one-way.

  • 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, October is the cheapest month in which you can book a flight from Idaho to Europe (average of $399). Flying from Idaho to Europe in June is currently the most expensive (average of $607). 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 April 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$782FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$875FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$894FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$901FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$921FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$585Average$921FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$600Average$899FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$651Average$857FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$840Average$1,150FlexibilityNo cancel feeOn-time77%

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