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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 24 — May 311
Sun 5/24
Sun 5/31
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 24, 2026.

This Mytrip deal was found by Cheapflights users on 4/20. 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 8/315:00 am
BOI
-
DUB
2 stops44h 15m
Air Canada
Tue 9/159:20 am
DUB
-
BOI
2 stops43h 05m
Air Canada
Deal found 4/20$726
This Mytrip deal was found by Cheapflights users on 4/20. 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 8/316:30 am
BOI
-
DUB
2 stops42h 45m
Air Canada
Fri 9/49:20 am
DUB
-
BOI
2 stops39h 33m
Air Canada
Deal found 4/20$731
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 4/20. 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 02m
Multiple Airlines
Deal found 4/20$742
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 11/85:00 am
GEG
-
DUB
2 stops21h 20m
United Airlines
Tue 11/109:30 am
DUB
-
GEG
2 stops19h 39m
United Airlines
Deal found 4/20$750
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 11/86:55 pm
BOI
-
LHR
1 stop34h 05m
United Airlines
Wed 11/1111:05 am
LHR
-
BOI
2 stops43h 01m
United Airlines
Deal found 4/20$753
This United Airlines deal was found by Cheapflights users on 4/20. 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 stops21h 40m
United Airlines
Tue 9/89:20 am
DUB
-
GEG
2 stops37h 38m
United Airlines
Deal found 4/20$753
This United Airlines deal was found by Cheapflights users on 4/20. 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.
Sun 11/85:22 pm
BOI
-
DUB
2 stops54h 48m
United Airlines
Thu 11/1210:40 am
DUB
-
BOI
1 stop19h 26m
United Airlines
Deal found 4/20$759
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.
Fri 11/134:00 pm
GEG
-
DUB
2 stops55h 10m
United Airlines
Tue 11/1712:05 pm
DUB
-
GEG
2 stops17h 04m
United Airlines
Deal found 4/19$764
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:38 pm
GEG
-
DUB
2 stops34h 37m
Multiple Airlines
Mon 9/1410:40 am
DUB
-
GEG
2 stops42h 24m
Multiple Airlines
Deal found 4/22$766
This United Airlines deal was found by Cheapflights users on 4/21. 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 10/66:25 am
BOI
-
DUB
2 stops18h 05m
United Airlines
Wed 10/288:00 am
DUB
-
BOI
2 stops35h 30m
United Airlines
Deal found 4/21$770
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 9/221:38 pm
GEG
-
DUB
2 stops34h 37m
United Airlines
Tue 9/299:20 am
DUB
-
GEG
2 stops43h 33m
United Airlines
Deal found 4/19$773

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 24, 2026.

Round-trip from

$726
(Mytrip)

One-way from

$334
(United Airlines)

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 24, 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

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 10/6

6:25 am-7:30 am

2 stops18h 05m

Dublin

Wed 10/28

8:00 am-1:30 pm

2 stops35h 30m

$770

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

5:00 am-8:15 am

2 stops43h 15m

Dublin

Mon 9/14

9:20 am-9:04 pm

2 stops43h 44m

$776

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Sat 8/15

5:44 pm-12:20 pm

1 stop34h 36m

Rome Fiumicino

Fri 8/28

12:25 pm-10:46 pm

2 stops42h 21m

$782

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 9/27

6:20 am-10:00 am

2 stops19h 40m

Dublin

Thu 10/1

5:55 am-5:08 pm

2 stops19h 13m

$799

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 9/27

11:30 am-9:45 am

1 stop14h 15m

Dublin

Thu 10/1

11:35 am-10:55 am

1 stop31h 20m

$803

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

2:05 pm-3:25 pm

2 stops17h 20m

Dublin

Mon 9/14

12:00 pm-7:20 pm

1 stop15h 20m

$805

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Mon 9/14

4:00 pm-7:20 am

2 stops31h 20m

Dublin

Mon 9/21

9:20 am-9:04 pm

2 stops43h 44m

$830

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Thu 8/13

11:46 am-1:40 pm

1 stop17h 54m

Rome Fiumicino

Thu 8/20

3:40 pm-11:50 pm

1 stop16h 10m

$841

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 8/9

5:20 pm-8:20 pm

2 stops19h 00m

Barcelona-El Prat

Thu 8/20

10:15 am-10:20 pm

2 stops20h 05m

$874

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Thu 9/17

6:00 am-11:10 am

1 stop21h 10m

Barcelona-El Prat

Wed 9/30

1:20 pm-8:18 pm

1 stop14h 58m

$884

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

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 $792, United Airlines can have you in Europe from Idaho in 18h 50m. The distance between Idaho and Europe is about 5431 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 24, 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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