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$309+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Apr 22 — Apr 291
Wed 4/22
Wed 4/29
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 March 23, 2026.

This FlightHub deal was found by Cheapflights users on 3/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/173:30 pm
BOI
-
FCO
2 stops35h 35m
Scandinavian Airlines
Tue 8/2511:55 am
FCO
-
BOI
2 stops43h 09m
Scandinavian Airlines
Deal found 3/18$647
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:00 am
BOI
-
DUB
2 stops19h 45m
Air Canada
Fri 9/119:50 am
DUB
-
BOI
2 stops37h 58m
Air Canada
Deal found 3/20$668
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:30 am
BOI
-
DUB
2 stops18h 15m
Air Canada
Tue 9/89:20 am
DUB
-
BOI
2 stops45h 30m
Air Canada
Deal found 3/20$671
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Wed 8/125:00 am
GEG
-
DUB
2 stops22h 10m
United Airlines
Tue 8/259:50 am
DUB
-
GEG
2 stops37h 08m
United Airlines
Deal found 3/19$672
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Sun 8/166:30 am
BOI
-
DUB
2 stops18h 15m
United Airlines
Wed 8/269:20 am
DUB
-
BOI
2 stops43h 05m
United Airlines
Deal found 3/23$676
This United Airlines deal was found by Cheapflights users on 3/21. 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.
Wed 8/125:00 am
GEG
-
DUB
2 stops21h 40m
United Airlines
Wed 8/269:20 am
DUB
-
GEG
2 stops37h 38m
United Airlines
Deal found 3/21$677
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 8/165:00 am
BOI
-
DUB
2 stops20h 15m
United Airlines
Thu 8/209:20 am
DUB
-
BOI
2 stops43h 05m
United Airlines
Deal found 3/22$681
This Iberia deal was found by Cheapflights users on 3/19. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:25 am
GEG
-
DUB
2 stops22h 50m
Multiple Airlines
Tue 11/171:00 pm
DUB
-
GEG
1 stop15h 55m
Multiple Airlines
Deal found 3/19$687
This Expedia deal was found by Cheapflights users on 3/19. 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.
Wed 11/115:25 am
GEG
-
DUB
1 stop17h 50m
Iberia
Tue 11/171:00 pm
DUB
-
GEG
1 stop15h 55m
Iberia
Deal found 3/19$695
This KLM deal was found by Cheapflights users on 3/22. 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.
Mon 9/76:05 am
GEG
-
DUB
1 stop17h 50m
KLM
Fri 9/115:55 am
DUB
-
GEG
2 stops16h 51m
KLM
Deal found 3/22$696
This Air Canada deal was found by Cheapflights users on 3/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:30 am
BOI
-
DUB
2 stops18h 15m
Air Canada
Wed 9/99:50 am
DUB
-
BOI
2 stops32h 10m
Air Canada
Deal found 3/20$697
This United Airlines deal was found by Cheapflights users on 3/20. 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 8/256:30 am
BOI
-
DUB
2 stops17h 50m
United Airlines
Tue 9/89:50 am
DUB
-
BOI
2 stops18h 35m
United Airlines
Deal found 3/20$701

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 March 23, 2026.

Round-trip from

$647
(FlightHub)

One-way from

$309
(Iberia)

Popular in

November

Cheapest in

February

Average price

$873
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. 4% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 23, 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

Sun 8/16

6:30 am-7:45 am

2 stops18h 15m

Dublin

Wed 8/26

9:20 am-5:53 pm

2 stops39h 33m

$676

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Sun 8/16

4:00 pm-9:45 am

2 stops33h 45m

Dublin

Wed 8/19

9:20 am-2:58 pm

2 stops37h 38m

$677

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sun 8/16

5:00 am-8:15 am

2 stops20h 15m

Dublin

Thu 8/20

9:20 am-9:25 pm

2 stops43h 05m

$681

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 9/2

6:30 am-7:20 am

2 stops17h 50m

Dublin

Wed 9/9

11:35 am-10:46 pm

1 stop18h 11m

$704

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

5:00 am-10:40 am

2 stops21h 40m

Dublin

Mon 9/14

9:20 am-2:58 pm

2 stops37h 38m

$722

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Tue 9/1

4:00 pm-7:20 am

2 stops31h 20m

Dublin

Sat 9/12

9:20 am-10:22 pm

2 stops45h 02m

$722

SpokaneDublin

GEG - DUB

GEGDUB

Spokane

Fri 7/31

4:18 pm-8:15 am

2 stops55h 57m

Dublin

Fri 8/7

9:20 am-8:30 pm

2 stops43h 10m

$758

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sun 4/12

5:30 am-7:55 am

1 stop19h 25m

Dublin

Thu 4/23

11:00 am-10:28 pm

1 stop18h 28m

$784

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 8/10

6:44 am-10:10 am

1 stop19h 26m

Barcelona-El Prat

Fri 8/21

3:35 pm-11:26 am

2 stops27h 51m

$791

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 5/1

3:44 pm-4:40 pm

2 stops17h 56m

Dublin

Fri 5/8

12:00 pm-11:46 pm

1 stop18h 46m

$818

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

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, February is the cheapest month in which you can book a flight from Idaho to Europe (average of $473). 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 $676, United Airlines can have you in Europe from Idaho in 18h 15m. The distance between Idaho and Europe is about 4560 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 $267 on United Airlines. Other airlines that offer cheap prices include Iberia from $360 and Delta from $405 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, February is the cheapest month in which you can book a flight from Idaho to Europe (average of $473). 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

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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 March 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$669FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$489Average$896FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$866FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$843FlexibilityNo cancel feeOn-time75%
DeltaCheapest$546Average$881FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$596Average$923FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$604Average$909FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$651Average$857FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$840Average$1,150FlexibilityNo cancel feeOn-time77%

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