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$290+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Nov 14 — Nov 211
Fri 11/14
Fri 11/21
1 adult, Economy
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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 October 15, 2025.

This Delta deal was found by Cheapflights users on 10/14. 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 11/115:35 amBOI - DUB
1 stop19h 10mDelta
Tue 11/189:45 amDUB - BOI
1 stop21h 24mDelta
Deal found 10/14$433
This Delta deal was found by Cheapflights users on 10/12. 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.
Sun 12/77:30 amBOI - ZRH
2 stops19h 00mDelta
Fri 1/91:30 pmZRH - BOI
2 stops31h 15mDelta
Deal found 10/12$458
This American Airlines deal was found by Cheapflights users on 10/14. 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 11/111:40 pmBOI - DUB
2 stops16h 55mMultiple Airlines
Tue 11/1811:30 amDUB - BOI
2 stops19h 19mMultiple Airlines
Deal found 10/14$479
This United Airlines deal was found by Cheapflights users on 10/14. 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 11/1212:45 pmBOI - DUB
1 stop12h 25mUnited Airlines
Mon 11/179:00 amDUB - BOI
2 stops33h 39mUnited Airlines
Deal found 10/14$480
This Air France deal was found by Cheapflights users on 10/14. 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 10/225:42 amBOI - DUB
1 stop19h 13mAir France
Sat 11/19:45 amDUB - BOI
1 stop20h 09mAir France
Deal found 10/14$483
This KLM deal was found by Cheapflights users on 10/14. 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 10/2211:12 amBOI - DUB
2 stops14h 33mMultiple Airlines
Sat 11/19:45 amDUB - BOI
1 stop20h 09mMultiple Airlines
Deal found 10/14$488
This Delta deal was found by Cheapflights users on 10/12. 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.
Sun 12/79:00 amBOI - ZRH
2 stops17h 30mDelta
Mon 1/122:15 pmZRH - BOI
2 stops34h 11mDelta
Deal found 10/12$490
This FlightHub deal was found by Cheapflights users on 10/13. 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.
Wed 12/103:54 pmBOI - ZRH
2 stops19h 46mScandinavian Airlines
Sat 1/108:25 pmZRH - BOI
2 stops34h 39mScandinavian Airlines
Deal found 10/13$501
This American Airlines deal was found by Cheapflights users on 10/14. 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.
Fri 11/71:40 pmBOI - ZRH
2 stops18h 05mAmerican Airlines
Fri 11/1410:15 amZRH - BOI
2 stops20h 15mAmerican Airlines
Deal found 10/14$505
This Air France deal was found by Cheapflights users on 10/12. 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.
Thu 11/275:35 amBOI - DUB
1 stop19h 10mMultiple Airlines
Thu 12/45:55 amDUB - BOI
2 stops17h 07mMultiple Airlines
Deal found 10/12$506
This Delta deal was found by Cheapflights users on 10/12. 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.
Mon 12/85:35 amBOI - ZRH
2 stops20h 55mDelta
Sun 1/111:30 pmZRH - BOI
2 stops28h 31mDelta
Deal found 10/12$508
This Delta deal was found by Cheapflights users on 10/12. 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.
Thu 11/275:35 amBOI - DUB
1 stop19h 10mDelta
Thu 12/49:45 amDUB - BOI
1 stop21h 24mDelta
Deal found 10/12$508

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 October 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$433
(Delta)

One-way from

$290
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$662
Provider with most accurate pricing for Boise Air Term. Gowen Fld-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-London (LON) flights.
Search Deals
From Idaho to Europe
Search Deals
One-way flight from Idaho to Europe
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($281 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 15, 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 11/11

5:35 am-7:45 am

1 stop19h 10m

Dublin

Tue 11/18

9:45 am-12:09 am

1 stop21h 24m

$433

BoiseZurich

BOI - ZRH

BOIZRH

Boise Air Term. Gowen Fld

Mon 12/8

7:30 am-10:30 am

2 stops19h 00m

Zurich

Fri 1/9

1:30 pm-12:45 pm

2 stops31h 15m

$458

BoiseZurich

BOI - ZRH

BOIZRH

Boise Air Term. Gowen Fld

Sun 12/7

7:30 am-10:30 am

2 stops19h 00m

Zurich

Fri 1/9

1:30 pm-12:45 pm

2 stops31h 15m

$458

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 11/12

12:45 pm-8:10 am

1 stop12h 25m

Dublin

Mon 11/17

9:00 am-11:39 am

2 stops33h 39m

$480

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 1/13

5:40 am-8:45 am

2 stops20h 05m

Dublin

Mon 1/19

5:55 am-9:02 pm

2 stops22h 07m

$486

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 10/22

11:12 am-8:45 am

2 stops14h 33m

Dublin

Sat 11/1

9:45 am-11:54 pm

1 stop20h 09m

$488

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Wed 10/22

11:12 am-8:45 am

2 stops14h 33m

Dublin

Sat 11/1

9:45 am-7:07 pm

2 stops15h 22m

$488

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 11/11

12:45 pm-8:10 am

1 stop12h 25m

Dublin

Tue 11/18

9:30 am-7:45 pm

2 stops17h 15m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

5:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Fri 2/27

10:55 am-10:24 am

2 stops31h 29m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

5:40 am-8:00 am

2 stops18h 20m

Barcelona-El Prat

Sun 2/22

10:55 am-10:24 am

2 stops31h 29m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Showing 1-10 of 60 results
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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 $482). 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.

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 October 15, 2025.

It’s typically best to fly out from Idaho to Europe in the afternoon. Doing so could potentially save you 6% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Idaho to Europe?

Use this chart to determine the cheapest time to fly round-trip from Idaho to Europe. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Idaho to Europe flight should consider departing on Tuesday at noon when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 $480, Delta can have you in Europe from Idaho in 12h 25m. 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 $353 on Scandinavian Airlines. Other airlines that offer cheap prices include Air Canada from $394 and United Airlines 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 $482). 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

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Top 10 airlines flying from Idaho to Europe

Discover the top 10 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 October 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$892FlexibilityNo cancel feeOn-time69%
KLMCheapest$577Average$861FlexibilityNo cancel feeOn-time75%
IberiaCheapest$586Average$848FlexibilityNo cancel feeOn-time77%
DeltaCheapest$590Average$949FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$602Average$1,003FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$602Average$1,181FlexibilityNo cancel feeOn-time67%
FinnairCheapest$637Average$972FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$642Average$993FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$697Average$898FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$722Average$987FlexibilityNo cancel feeOn-time77%

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