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
Jul 5 — Jul 121
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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 June 5, 2026.

This United Airlines deal was found by Cheapflights users on 6/4. 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.
Mon 11/912:29 pm
BOI
-
DUB
1 stop12h 41m
United Airlines
Fri 11/139:00 am
DUB
-
BOI
2 stops43h 16m
United Airlines
Deal found 6/4$718
This United Airlines deal was found by Cheapflights users on 6/3. 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 9/17:05 pm
BOI
-
DUB
2 stops29h 40m
United Airlines
Tue 9/89:20 am
DUB
-
BOI
2 stops37h 11m
United Airlines
Deal found 6/3$721
This American Airlines deal was found by Cheapflights users on 6/1. 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 10/272:57 pm
BOI
-
DUB
2 stops17h 23m
American Airlines
Tue 11/101:00 pm
DUB
-
BOI
1 stop16h 03m
American Airlines
Deal found 6/1$736
This Mytrip deal was found by Cheapflights users on 6/1. 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.
Tue 9/87:05 pm
BOI
-
DUB
2 stops29h 40m
Air Canada
Thu 9/179:50 am
DUB
-
BOI
2 stops18h 47m
Air Canada
Deal found 6/1$740
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:44 am
BOI
-
DUB
1 stop20h 01m
Iberia
Tue 11/31:00 pm
DUB
-
BOI
1 stop16h 03m
Iberia
Deal found 6/5$743
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2712:29 pm
BOI
-
DUB
1 stop13h 41m
Lufthansa
Tue 11/1010:40 am
DUB
-
BOI
1 stop19h 26m
Lufthansa
Deal found 6/1$744
This Expedia deal was found by Cheapflights users on 6/5. 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.
Sun 10/186:44 am
BOI
-
DUB
1 stop20h 01m
Finnair
Tue 11/31:00 pm
DUB
-
BOI
1 stop16h 03m
Finnair
Deal found 6/5$745
This Delta deal was found by Cheapflights users on 6/3. 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 9/15:30 am
BOI
-
DUB
1 stop19h 25m
Delta
Tue 9/88:55 am
DUB
-
BOI
2 stops21h 34m
Delta
Deal found 6/3$746
This KLM deal was found by Cheapflights users on 6/3. 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 9/15:30 am
BOI
-
DUB
1 stop19h 25m
Multiple Airlines
Tue 9/812:00 pm
DUB
-
BOI
1 stop18h 29m
Multiple Airlines
Deal found 6/3$750
This Orbitz deal was found by Cheapflights users on 6/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:05 pm
BOI
-
DUB
2 stops29h 40m
Air Canada
Thu 9/109:50 am
DUB
-
BOI
2 stops32h 36m
Air Canada
Deal found 6/3$752
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Mon 11/94:05 pm
BOI
-
LHR
1 stop36h 10m
United Airlines
Thu 11/126:50 am
LHR
-
BOI
2 stops23h 16m
United Airlines
Deal found 6/1$752
This KLM deal was found by Cheapflights users on 6/1. 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 9/83:25 pm
BOI
-
DUB
2 stops17h 00m
Multiple Airlines
Thu 9/1712:00 pm
DUB
-
BOI
1 stop18h 55m
Multiple Airlines
Deal found 6/1$754

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 June 5, 2026.

Round-trip from

$718
(United Airlines)

One-way from

$334
(Delta)

Popular in

November

Cheapest in

February

Average price

$1,070
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 June 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 June 5, 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

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 9/1

7:05 pm-7:45 am

2 stops29h 40m

Dublin

Tue 9/8

9:20 am-3:31 pm

2 stops37h 11m

$721

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 11/9

7:00 am-9:55 am

2 stops19h 55m

Dublin

Fri 11/13

9:00 am-1:30 pm

2 stops35h 30m

$723

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 11/8

7:00 am-6:10 am

1 stop15h 10m

Madrid Barajas

Tue 11/17

1:00 pm-10:03 pm

1 stop17h 03m

$794

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Thu 9/3

5:00 am-7:20 am

2 stops43h 20m

Dublin

Thu 9/17

9:50 am-11:26 am

2 stops56h 36m

$795

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 8/31

5:30 am-7:55 am

1 stop19h 25m

Dublin

Thu 9/10

12:00 pm-11:29 pm

1 stop18h 29m

$797

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 11/15

7:00 am-9:15 am

2 stops18h 15m

Madrid Barajas

Thu 11/19

11:15 am-9:16 pm

2 stops18h 01m

$798

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Mon 8/10

8:50 am-10:10 am

1 stop17h 20m

Rome Fiumicino

Wed 8/19

2:45 pm-11:59 pm

1 stop17h 14m

$825

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 10/16

12:29 pm-7:30 am

2 stops36h 01m

Dublin

Wed 10/28

8:00 am-9:43 am

2 stops55h 43m

$838

BoiseRome

BOI - FCO

BOIFCO

Boise Air Term. Gowen Fld

Wed 11/18

3:22 pm-10:15 am

1 stop34h 53m

Rome Fiumicino

Fri 11/27

12:25 pm-11:55 pm

1 stop19h 30m

$848

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Tue 9/29

11:10 am-7:55 am

2 stops13h 45m

Dublin

Sat 10/3

5:55 am-4:14 pm

2 stops17h 19m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 60 resultsSorted by cheapest first
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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 27 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 June 5, 2026.
Get a feel of what it's like to fly with Delta,KLM, andVirgin Atlantic 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.

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Food

7.2

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.8

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?

    United Airlines, Scandinavian Airlines, and Lufthansa can get you from Boise to Europe in just under 17h 16m. Your travel time can differ by up to 15h 34m. Airlines will cover a distance of 5725 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

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Top 7 airlines flying from Boise to Europe

Discover the top 7 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 June 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$771FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$888FlexibilityNo cancel feeOn-time69%
KLMCheapest$510Average$894FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$541Average$1,015FlexibilityNo cancel feeOn-time71%
DeltaCheapest$546Average$932FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$600Average$899FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$856Average$869FlexibilityNo cancel feeOn-time67%

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