Europe

$334+ Cheap flights from Boise (BOI) 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
Jun 19 — Jun 261
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Boise to Europe with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boise to Europe

Cheapest flights from Boise to Europe
Explore the most affordable flight options available from Boise to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.

This Delta deal was found by Cheapflights users on 5/17. 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 7/1310:35 am
BOI
-
IST
2 stops31h 55m
Delta
Tue 8/115:20 pm
IST
-
BOI
2 stops32h 59m
Delta
Deal found 5/17$684
This CheapOair deal was found by Cheapflights users on 5/16. 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 5/16$726
This Gotogate deal was found by Cheapflights users on 5/16. 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 9/86:30 am
BOI
-
DUB
2 stops18h 15m
Air Canada
Tue 9/159:50 am
DUB
-
BOI
2 stops18h 47m
Air Canada
Deal found 5/16$737
This Finnair deal was found by Cheapflights users on 5/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:10 pm
BOI
-
DUB
2 stops22h 55m
Multiple Airlines
Wed 11/46:05 pm
DUB
-
BOI
2 stops34h 58m
Multiple Airlines
Deal found 5/18$738
This Booking.com deal was found by Cheapflights users on 5/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:55 pm
BOI
-
DUB
2 stops29h 15m
Air Canada
Wed 11/49:00 am
DUB
-
BOI
2 stops21h 05m
Air Canada
Deal found 5/19$741
This Air France deal was found by Cheapflights users on 5/19. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/115:40 am
BOI
-
DUB
1 stop19h 15m
Multiple Airlines
Thu 11/265:45 am
DUB
-
BOI
2 stops16h 45m
Multiple Airlines
Deal found 5/19$742
This United Airlines deal was found by Cheapflights users on 5/17. 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 11/1012:29 pm
BOI
-
DUB
1 stop12h 41m
United Airlines
Thu 11/1210:40 am
DUB
-
BOI
1 stop19h 26m
United Airlines
Deal found 5/17$745
This Expedia deal was found by Cheapflights users on 5/19. 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.
Mon 10/2612:10 pm
BOI
-
DUB
1 stop13h 05m
Finnair
Wed 11/46:05 pm
DUB
-
BOI
2 stops34h 58m
Finnair
Deal found 5/19$746
This Expedia deal was found by Cheapflights users on 5/16. 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 5/16$747
This United Airlines deal was found by Cheapflights users on 5/17. 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 11/106:20 am
BOI
-
LHR
1 stop21h 55m
United Airlines
Thu 11/126:50 am
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 5/17$747
This Finnair deal was found by Cheapflights users on 5/18. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:44 am
BOI
-
DUB
1 stop20h 01m
Multiple Airlines
Mon 11/98:40 pm
DUB
-
BOI
2 stops32h 23m
Multiple Airlines
Deal found 5/18$753
This KLM deal was found by Cheapflights users on 5/16. 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 9/810:23 am
BOI
-
DUB
2 stops17h 02m
KLM
Tue 9/1512:00 pm
DUB
-
BOI
1 stop18h 29m
KLM
Deal found 5/16$759

Find flight deals from Boise to Europe

Keep the following information in mind while searching for Boise to Europe flight deals. Data was last updated May 20, 2026.

Round-trip from

$684
(Delta)

One-way from

$334
(Delta)

Popular in

November

Cheapest in

February

Average price

$1,106
From Boise Air Term. Gowen Fld to Europe
One-way flight from Boise Air Term. Gowen Fld to Europe
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 20, 2026.
Use the filters below to find and compare flights from Boise to Europe that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseIstanbul

BOI - IST

BOIIST

Boise Air Term. Gowen Fld

Mon 7/13

10:35 am-3:30 am

2 stops31h 55m

Istanbul

Tue 8/11

5:20 pm-5:19 pm

2 stops32h 59m

$684

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 11/10

10:39 am-10:20 am

2 stops16h 41m

Dublin

Thu 11/12

10:40 am-11:06 pm

1 stop19h 26m

$749

BoiseLondon

BOI - LHR

BOILHR

Boise Air Term. Gowen Fld

Tue 11/10

11:45 am-12:00 pm

2 stops17h 15m

London Heathrow

Thu 11/12

9:30 am-9:15 pm

2 stops18h 45m

$765

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 8/12

8:15 am-1:40 pm

1 stop21h 25m

Rome Fiumicino

Fri 8/21

11:30 am-5:58 pm

2 stops38h 28m

$805

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 8/12

10:31 am-12:20 pm

1 stop17h 49m

Rome Fiumicino

Wed 8/19

6:50 am-9:24 pm

2 stops22h 34m

$823

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Mon 8/10

6:30 am-1:40 pm

1 stop23h 10m

Rome Fiumicino

Wed 8/19

6:50 am-9:24 pm

2 stops22h 34m

$823

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 8/12

10:35 am-10:10 am

1 stop15h 35m

Rome Fiumicino

Wed 8/19

2:45 pm-11:59 pm

1 stop17h 14m

$825

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Sun 9/20

12:24 pm-1:15 pm

1 stop16h 51m

Barcelona-El Prat

Mon 9/28

12:15 pm-9:31 pm

2 stops41h 16m

$829

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 8/12

6:44 pm-6:45 pm

2 stops16h 01m

Rome Fiumicino

Wed 8/19

12:30 pm-10:30 pm

2 stops18h 00m

$841

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 10/16

6:44 am-9:45 am

1 stop20h 01m

Dublin

Wed 10/28

1:00 pm-10:17 pm

1 stop15h 17m

$842

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Boise to Europe

Have a flexible travel schedule? Discover the best time to fly to Europe from Boise 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 Boise to Europe

What is the cheapest month to book a flight from Boise to Europe?

Currently, October is the cheapest month in which you can book a flight from Boise to Europe (average of $399). Flying from Boise 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 Boise to Europe?

To ensure you get the cheapest price possible for a flight from Boise to Europe, you should look to book at least 23 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.

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 May 20, 2026.
Get a feel of what it's like to fly with Delta,KLM, andUnited Airlines from Boise to Europe by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Boarding

8.1

Entertainment

7.8

Overall

7.9

Comfort

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Boise to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Boise to Europe?

    Located just 3.3 mi from the city center, Boise Air Term. Gowen Fld (BOI) is the airport most travelers will use when flying to Europe from Boise.

  • How long is the flight from Boise to Europe?

    Delta, United Airlines, and Scandinavian Airlines can get you from Boise to Europe in just under 21h 55m. Your travel time can differ by up to 10h. Airlines will cover a distance of 4829 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Boise to Europe one-way?

    The cheapest airlines for a one-way flight from Boise to Europe are American Airlines ($276), United Airlines ($280), and Iberia ($360).

  • What are the most popular routes from Boise to Europe?

  • Can I find deals for flights from Boise to Europe that include hotel bookings?

    Yes. In addition to deals on Boise to Europe flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Europe?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Europe.

  • Can I find deals for business class flights from Boise to Europe?

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Europe?

    Currently, October is the cheapest month in which you can book a flight from Boise to Europe (average of $399). Flying from Boise 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boise to Europe

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Boise to Europe

Discover the top 9 airlines that operate flights from Boise 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$776FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$879FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$909FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$974FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$893FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$596Average$871FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$600Average$909FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$840Average$1,150FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$856Average$869FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.