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$312+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
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Cheap flight deals from Idaho to Europe

Keep the following information in mind while searching for Idaho to Europe flight deals. Data was last updated June 30, 2025.

Round-trip from

$559
(United Airlines)

One-way from

$312
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,254
From Idaho to Europe
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One-way flight from Idaho to Europe
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 30, 2025.

This United Airlines deal was found by Cheapflights users on 6/29. 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 12/3112:29 pmBOI - DUB
1 stop12h 41mUnited Airlines
Fri 1/99:00 amDUB - BOI
2 stops39h 55mUnited Airlines
Deal found 6/29$554
This United Airlines deal was found by Cheapflights users on 6/29. 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 12/36:25 amBOI - FCO
2 stops19h 00mUnited Airlines
Wed 12/1712:50 pmFCO - BOI
2 stops41h 32mUnited Airlines
Deal found 6/29$582
This United Airlines deal was found by Cheapflights users on 6/29. 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 11/196:20 amBOI - BCN
2 stops19h 15mUnited Airlines
Thu 11/273:05 pmBCN - BOI
1 stop15h 50mUnited Airlines
Deal found 6/29$583
This Gotogate deal was found by Cheapflights users on 6/28. 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.
Tue 10/217:05 pmBOI - LIS
2 stops31h 15mMultiple Airlines
Tue 11/45:00 amLIS - BOI
2 stops23h 21mMultiple Airlines
Deal found 6/28$589
This Delta deal was found by Cheapflights users on 6/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:51 amBOI - DUB
2 stops18h 24mDelta
Tue 8/1912:00 pmDUB - BOI
1 stop18h 56mDelta
Deal found 6/28$591
This Booking.com deal was found by Cheapflights users on 6/28. 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 10/219:45 amBOI - LIS
2 stops16h 35mAir Canada
Thu 11/610:55 amLIS - BOI
2 stops30h 03mAir Canada
Deal found 6/28$596
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/227:45 amBOI - LIS
2 stops18h 35mUnited Airlines
Thu 11/65:00 amLIS - BOI
2 stops20h 09mUnited Airlines
Deal found 6/28$598
This Booking.com deal was found by Cheapflights users on 6/29. 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.
Sun 11/96:20 amBOI - FCO
2 stops18h 35mMultiple Airlines
Thu 11/207:05 amFCO - BOI
2 stops22h 16mMultiple Airlines
Deal found 6/29$600
This United Airlines deal was found by Cheapflights users on 6/29. 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 12/25:00 amGEG - VCE
2 stops18h 55mUnited Airlines
Thu 12/116:55 amVCE - GEG
2 stops23h 07mUnited Airlines
Deal found 6/29$603
This CheapOair deal was found by Cheapflights users on 6/28. 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 10/15:00 amBOI - BCN
2 stops18h 50mAir Canada
Tue 10/71:15 pmBCN - BOI
2 stops40h 09mAir Canada
Deal found 6/28$605
This United Airlines deal was found by Cheapflights users on 6/29. 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 12/95:00 amGEG - FCO
2 stops18h 30mUnited Airlines
Thu 12/187:05 amFCO - GEG
2 stops23h 04mUnited Airlines
Deal found 6/29$613
This Finnair deal was found by Cheapflights users on 6/29. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:48 amGEG - FCO
2 stops27h 07mMultiple Airlines
Thu 12/1811:00 amFCO - GEG
1 stop22h 23mMultiple Airlines
Deal found 6/29$616

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 June 30, 2025.
Use the filters below to find and compare flights from Idaho to Europe that are best for you.

Fly from

Idaho

Fly to

Europe

Route

Depart

Return

Price

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 8/12

2:32 pm-7:45 am

2 stops34h 13m

Dublin

Tue 8/19

9:50 am-10:41 pm

2 stops43h 51m

$559

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 12/3

6:25 am-9:25 am

2 stops19h 00m

Rome Fiumicino

Wed 12/17

12:50 pm-10:22 pm

2 stops41h 32m

$582

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 11/19

6:20 am-9:35 am

2 stops19h 15m

Barcelona-El Prat

Thu 11/27

3:05 pm-10:55 pm

1 stop15h 50m

$583

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 8/12

5:30 am-7:55 am

1 stop19h 25m

Dublin

Tue 8/19

12:00 pm-11:56 pm

1 stop18h 56m

$587

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/21

7:05 pm-9:20 am

2 stops31h 15m

Lisbon Humberto Delgado

Tue 11/4

5:00 am-9:21 pm

2 stops23h 21m

$589

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 8/12

7:51 am-9:15 am

2 stops18h 24m

Dublin

Tue 8/19

12:00 pm-11:56 pm

1 stop18h 56m

$591

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 10/21

9:45 am-9:20 am

2 stops16h 35m

Lisbon Humberto Delgado

Thu 11/6

10:55 am-9:58 am

2 stops30h 03m

$596

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 10/22

7:45 am-9:20 am

2 stops18h 35m

Lisbon Humberto Delgado

Thu 11/6

5:00 am-6:09 pm

2 stops20h 09m

$598

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Sun 11/9

6:20 am-8:55 am

2 stops18h 35m

Rome Fiumicino

Thu 11/20

7:05 am-9:21 pm

2 stops22h 16m

$600

SpokaneVenice

GEG - VCE

GEGVCE

Spokane

Tue 12/2

5:00 am-8:55 am

2 stops18h 55m

Venice Marco Polo

Thu 12/11

6:55 am-9:02 pm

2 stops23h 07m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 60 results
1
2
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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, November is the cheapest month in which you can book a flight from Idaho to Europe (average of $523). Flying from Idaho to Europe in June is currently the most expensive (average of $919). 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.

What is the cheapest time of day to fly from ID to EU?

Find hourly flight availability from Idaho to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Europe as you normally would.

Reviews of airlines servicing Europe

Get insights into the airlines that provide service to Europe. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Europe. Reviews last updated June 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and Finnair from Idaho to Europe. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,299 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,471 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,852 reviews
Delta
8.0
Very good
7,969 reviews

Food

7.3

Entertainment

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $468 on United Airlines. Other airlines that offer cheap prices include Air Canada from $468 and Air France from $487 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, November is the cheapest month in which you can book a flight from Idaho to Europe (average of $523). Flying from Idaho to Europe in June is currently the most expensive (average of $919). 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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$549Average$1,013FlexibilityNo cancel feeOn-time71%
KLMCheapest$555Average$860FlexibilityNo cancel feeOn-time75%
IberiaCheapest$564Average$883FlexibilityNo cancel feeOn-time77%
DeltaCheapest$568Average$1,029FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$569Average$971FlexibilityNo cancel feeOn-time69%
Scandinavian AirlinesCheapest$643Average$1,052FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$695Average$979FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$701Average$1,181FlexibilityNo cancel feeOn-time67%
Air FranceCheapest$722Average$948FlexibilityNo cancel feeOn-time77%

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