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$291+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Jun 25 — Jul 21
Thu 6/25
Thu 7/2
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 26, 2026.

This United Airlines deal was found by Cheapflights users on 5/26. 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 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 stops33h 55m
United Airlines
Deal found 5/26$718
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/215:00 am
BOI
-
DUB
2 stops20h 15m
Air Canada
Wed 11/119:00 am
DUB
-
BOI
2 stops43h 16m
Air Canada
Deal found 5/22$726
This oojo deal was found by Cheapflights users on 5/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:35 am
BOI
-
VCE
2 stops39h 35m
Scandinavian Airlines
Tue 8/2511:00 am
VCE
-
BOI
2 stops20h 01m
Scandinavian Airlines
Deal found 5/25$735
This American Airlines deal was found by Cheapflights users on 5/25. 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.
Tue 11/171:29 pm
BOI
-
DUB
2 stops17h 51m
American Airlines
Tue 11/241:00 pm
DUB
-
BOI
1 stop16h 03m
American Airlines
Deal found 5/25$736
This Expedia deal was found by Cheapflights users on 5/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1712:29 pm
BOI
-
DUB
1 stop12h 41m
Lufthansa
Tue 11/245:10 am
DUB
-
BOI
2 stops23h 06m
Lufthansa
Deal found 5/25$740
This Ovago deal was found by Cheapflights users on 5/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:55 pm
BOI
-
LHR
1 stop33h 20m
Brussels Airlines
Thu 11/1211:05 am
LHR
-
BOI
2 stops43h 01m
Brussels Airlines
Deal found 5/25$740
This CheapOair deal was found by Cheapflights users on 5/22. 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 CheapOair 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 11/35:10 am
DUB
-
GEG
2 stops23h 59m
Multiple Airlines
Deal found 5/22$740
This KLM deal was found by Cheapflights users on 5/22. 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 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 5/22$742
This KLM deal was found by Cheapflights users on 5/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:40 am
BOI
-
DUB
1 stop19h 15m
Multiple Airlines
Tue 11/179:40 am
DUB
-
BOI
1 stop20h 01m
Multiple Airlines
Deal found 5/26$745
This KLM deal was found by Cheapflights users on 5/26. 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 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 5/26$745
This Expedia deal was found by Cheapflights users on 5/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:44 am
BOI
-
DUB
1 stop20h 01m
Finnair
Wed 11/116:05 pm
DUB
-
BOI
2 stops34h 58m
Finnair
Deal found 5/22$746
This KAYAK deal was found by Cheapflights users on 5/25. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:00 am
GEG
-
DUB
2 stops18h 30m
Multiple Airlines
Tue 9/86:00 am
DUB
-
GEG
2 stops20h 51m
Multiple Airlines
Deal found 5/25$749

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 26, 2026.

Round-trip from

$718
(United Airlines)

One-way from

$291
(eDestinos)

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
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 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 26, 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 11/11

11:30 am-8:10 am

1 stop12h 40m

Dublin

Wed 11/18

9:00 am-10:55 am

2 stops33h 55m

$718

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sun 11/8

5:40 am-7:55 am

1 stop19h 15m

Dublin

Tue 11/17

9:40 am-10:41 pm

1 stop20h 01m

$745

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

6:45 am-7:55 am

1 stop17h 10m

Dublin

Tue 9/8

5:55 am-5:08 pm

2 stops19h 13m

$746

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sat 11/7

12:40 pm-7:45 am

1 stop35h 05m

Dublin

Thu 11/12

9:55 am-7:27 pm

1 stop17h 32m

$751

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Mon 11/9

5:22 pm-9:40 am

1 stop33h 18m

London Heathrow

Thu 11/12

6:50 am-11:06 pm

2 stops23h 16m

$752

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 10/19

2:45 pm-2:20 pm

1 stop15h 35m

Barcelona-El Prat

Thu 10/22

12:15 pm-9:31 pm

2 stops41h 16m

$779

SpokaneRome

GEG - FCO

GEGFCO

Spokane

Tue 11/17

5:00 am-10:55 am

2 stops20h 55m

Rome Fiumicino

Fri 11/20

9:55 am-11:38 pm

2 stops22h 43m

$793

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Mon 8/24

11:11 am-9:45 am

1 stop14h 34m

Dublin

Wed 9/2

9:20 am-8:46 pm

2 stops19h 26m

$793

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

6:45 am-7:55 am

1 stop17h 10m

Dublin

Mon 9/14

5:55 am-3:18 pm

2 stops17h 23m

$796

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sat 11/7

12:40 pm-7:45 am

1 stop35h 05m

Dublin

Sat 11/14

9:55 am-7:27 pm

1 stop17h 32m

$801

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/25

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.

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.

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 $718, United Airlines can have you in Europe from Idaho in 12h 40m. 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 8 airlines flying from Idaho to Europe

Discover the top 8 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 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$771FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$901FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$894FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$1,015FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$947FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$600Average$899FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$840Average$1,150FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$856Average$869FlexibilityNo cancel feeOn-time67%

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