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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
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
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 May 10, 2026.

This United Airlines deal was found by Cheapflights users on 5/7. 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 11/1111:30 am
GEG
-
DUB
1 stop12h 40m
United Airlines
Wed 11/189:00 am
DUB
-
GEG
2 stops44h 09m
United Airlines
Deal found 5/7$718
This United Airlines deal was found by Cheapflights users on 5/6. 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 stops43h 44m
United Airlines
Deal found 5/6$726
This Mytrip deal was found by Cheapflights users on 5/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm
BOI
-
DUB
2 stops29h 15m
Air Canada
Wed 11/49:00 am
DUB
-
BOI
2 stops21h 05m
Air Canada
Deal found 5/9$741
This Booking.com deal was found by Cheapflights users on 5/6. 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 10/206:00 am
GEG
-
DUB
2 stops17h 45m
Multiple Airlines
Tue 11/39:10 am
DUB
-
GEG
2 stops19h 59m
Multiple Airlines
Deal found 5/6$741
This Air France deal was found by Cheapflights users on 5/8. 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 11/115:40 am
BOI
-
DUB
1 stop19h 15m
Multiple Airlines
Thu 11/265:45 am
DUB
-
BOI
2 stops18h 04m
Multiple Airlines
Deal found 5/8$742
This KLM deal was found by Cheapflights users on 5/7. 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 11/35:45 am
DUB
-
GEG
2 stops18h 21m
KLM
Deal found 5/7$742
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 10/206:00 am
GEG
-
DUB
1 stop19h 45m
Iberia
Tue 11/31:00 pm
DUB
-
GEG
1 stop15h 55m
Iberia
Deal found 5/8$743
This Expedia deal was found by Cheapflights users on 5/8. 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.
Sun 10/186:44 am
BOI
-
DUB
1 stop20h 01m
Finnair
Tue 11/31:00 pm
DUB
-
BOI
1 stop16h 03m
Finnair
Deal found 5/8$745
This KLM deal was found by Cheapflights users on 5/7. 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.
Wed 11/117:00 am
GEG
-
DUB
1 stop16h 55m
KLM
Wed 11/189:45 am
DUB
-
GEG
1 stop19h 52m
KLM
Deal found 5/7$745
This KLM deal was found by Cheapflights users on 5/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:45 am
GEG
-
DUB
2 stops18h 10m
KLM
Thu 11/265:45 am
DUB
-
GEG
2 stops21h 42m
KLM
Deal found 5/9$747
This KLM deal was found by Cheapflights users on 5/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:00 am
GEG
-
DUB
2 stops18h 45m
Multiple Airlines
Tue 11/249:55 am
DUB
-
GEG
1 stop17h 32m
Multiple Airlines
Deal found 5/9$750
This Air France deal was found by Cheapflights users on 5/8. 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 9/910:05 am
GEG
-
DUB
2 stops15h 55m
Multiple Airlines
Wed 9/165:55 am
DUB
-
GEG
2 stops16h 51m
Multiple Airlines
Deal found 5/8$751

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 May 10, 2026.

Round-trip from

$723
(United Airlines)

One-way from

$334
(Delta)

Popular in

November

Cheapest in

February

Average price

$1,106
From Idaho to Europe
Search Deals
One-way flight from Idaho to Europe
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 10, 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

Wed 9/9

5:00 am-11:10 am

3 stops22h 10m

Dublin

Wed 9/16

11:35 am-9:04 pm

2 stops17h 29m

$754

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sun 10/18

11:30 am-12:40 pm

2 stops18h 10m

Dublin

Tue 11/3

6:00 am-4:49 pm

2 stops17h 49m

$758

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 9/15

6:30 am-11:10 am

2 stops21h 40m

Dublin

Tue 9/22

9:50 am-11:25 am

2 stops32h 35m

$775

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 10/7

5:00 am-7:20 am

2 stops19h 20m

Dublin

Wed 10/14

9:20 am-3:31 pm

2 stops37h 11m

$775

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sat 8/15

12:40 pm-8:45 am

1 stop36h 05m

Dublin

Wed 8/26

11:10 am-11:26 pm

2 stops20h 16m

$784

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Wed 8/12

5:36 am-9:15 am

2 stops19h 39m

Dublin

Tue 8/25

11:00 am-11:28 am

1 stop32h 28m

$787

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Mon 8/17

10:35 am-10:10 am

1 stop15h 35m

Rome Fiumicino

Wed 8/26

10:35 am-10:08 pm

2 stops19h 33m

$791

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 8/12

12:23 pm-10:10 am

1 stop13h 47m

Rome Fiumicino

Wed 8/19

2:45 pm-11:59 pm

1 stop17h 14m

$791

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Tue 9/22

1:18 pm-10:50 pm

2 stops25h 32m

Barcelona-El Prat

Tue 9/29

10:45 am-10:17 pm

1 stop19h 32m

$796

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 8/18

5:10 am-7:55 am

1 stop19h 45m

Dublin

Thu 8/27

12:00 pm-11:59 pm

1 stop18h 59m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

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

How far ahead should I book a flight from Idaho to Europe?

To ensure you get the cheapest price possible for a flight from Idaho to Europe, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $791, Delta can have you in Europe from Idaho in 15h 35m. The distance between Idaho and Europe is about 5725 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

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 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$782FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$855FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$906FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$974FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$921FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$585Average$921FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$600Average$909FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$799Average$865FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$840Average$1,150FlexibilityNo cancel feeOn-time77%

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