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$235+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — CPH
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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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 January 21, 2026.

This lol.travel deal was found by Cheapflights users on 1/20. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:00 am
BOI
-
MAD
1 stop18h 25m
Finnair
Tue 3/312:40 pm
MAD
-
BOI
1 stop17h 42m
Finnair
Deal found 1/20$415
This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/156:25 am
BOI
-
MAD
2 stops21h 40m
Air Canada
Tue 3/31:35 pm
MAD
-
BOI
2 stops28h 37m
Air Canada
Deal found 1/20$425
This FlightHub deal was found by Cheapflights users on 1/18. 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.
Tue 4/1412:30 pm
BOI
-
BCN
2 stops36h 50m
Air Canada
Tue 4/211:15 pm
BCN
-
BOI
2 stops32h 16m
Air Canada
Deal found 1/18$428
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 10/55:22 pm
BOI
-
BCN
2 stops30h 38m
United Airlines
Fri 10/161:15 pm
BCN
-
BOI
2 stops40h 00m
United Airlines
Deal found 1/19$429
This Finnair deal was found by Cheapflights users on 1/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:20 am
BOI
-
BCN
2 stops21h 45m
Multiple Airlines
Wed 2/2510:40 am
BCN
-
BOI
1 stop19h 42m
Multiple Airlines
Deal found 1/20$439
This Priceline deal was found by Cheapflights users on 1/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/177:00 am
BOI
-
MAD
1 stop15h 15m
Iberia
Wed 3/412:40 pm
MAD
-
BOI
1 stop17h 42m
Iberia
Deal found 1/19$439
This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:29 pm
BOI
-
MAD
2 stops18h 21m
American Airlines
Tue 4/283:55 pm
MAD
-
BOI
1 stop29h 08m
American Airlines
Deal found 1/19$441
This United Airlines deal was found by Cheapflights users on 1/19. 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 2/186:25 am
BOI
-
BCN
2 stops19h 10m
United Airlines
Wed 3/410:30 am
BCN
-
BOI
2 stops21h 08m
United Airlines
Deal found 1/19$443
This Finnair deal was found by Cheapflights users on 1/18. 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.
Tue 4/141:53 pm
BOI
-
MAD
1 stop16h 32m
Multiple Airlines
Tue 4/2811:35 am
MAD
-
BOI
2 stops19h 03m
Multiple Airlines
Deal found 1/18$444
This United Airlines deal was found by Cheapflights users on 1/19. 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 9/236:20 am
BOI
-
BCN
2 stops19h 00m
United Airlines
Wed 9/303:15 pm
BCN
-
BOI
2 stops26h 28m
United Airlines
Deal found 1/19$447
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Sun 2/156:25 am
BOI
-
MAD
2 stops21h 40m
Multiple Airlines
Tue 3/31:35 pm
MAD
-
BOI
3 stops30h 58m
Multiple Airlines
Deal found 1/20$447
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/178:41 am
BOI
-
MAD
2 stops39h 19m
United Airlines
Wed 3/41:35 pm
MAD
-
BOI
2 stops28h 31m
United Airlines
Deal found 1/19$451

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 January 21, 2026.

Round-trip from

$415
(lol.travel)

One-way from

$235
(Iberia)

Popular in

May

Cheapest in

October

Average price

$776
From Boise Air Term. Gowen Fld to Europe
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Europe
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
Use the filters below to find and compare flights from Boise to Europe that are best for you.

Fly from

Boise

Fly to

Europe

Route

Depart

Return

Price

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sun 2/15

6:25 am-12:05 pm

2 stops21h 40m

Madrid Barajas

Tue 3/3

1:35 pm-10:12 am

2 stops28h 37m

$425

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Wed 2/11

7:20 am-1:05 pm

2 stops21h 45m

Barcelona-El Prat

Wed 2/25

10:40 am-10:22 pm

1 stop19h 42m

$439

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 2/23

7:00 am-9:25 am

1 stop18h 25m

Madrid Barajas

Thu 3/5

12:40 pm-10:22 pm

1 stop17h 42m

$439

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Sat 4/18

5:29 pm-8:05 am

2 stops30h 36m

Madrid Barajas

Fri 5/1

11:15 am-9:54 am

2 stops30h 39m

$444

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 2/17

7:00 am-6:15 am

1 stop15h 15m

Madrid Barajas

Wed 3/4

4:25 pm-12:48 pm

2 stops28h 23m

$444

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 2/23

7:00 am-10:00 am

2 stops19h 00m

Madrid Barajas

Thu 3/5

12:40 pm-10:22 pm

1 stop17h 42m

$444

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Tue 4/14

1:53 pm-2:25 pm

1 stop16h 32m

Madrid Barajas

Tue 4/28

3:55 pm-1:03 pm

1 stop29h 08m

$444

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 4/28

6:44 am-3:50 pm

2 stops26h 06m

Lisbon Humberto Delgado

Tue 5/5

4:35 pm-10:38 pm

2 stops37h 03m

$454

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Tue 2/24

7:00 am-3:25 pm

2 stops25h 25m

Lisbon Humberto Delgado

Thu 3/5

4:10 pm-10:22 pm

2 stops37h 12m

$454

BoiseMadrid

BOI - MAD

BOIMAD

Boise Air Term. Gowen Fld

Mon 2/23

8:41 am-9:15 am

2 stops40h 34m

Madrid Barajas

Thu 3/5

1:35 pm-10:06 am

2 stops28h 31m

$459

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Boise to Europe (average of $471). Flying from Boise 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.

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 January 21, 2026.
Get a feel of what it's like to fly with Delta, KLM, and United 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.
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,089 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,442 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,191 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,174 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,738 reviews
Delta
7.9
Good
8,089 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Air Canada, Iberia, and United Airlines can get you from Boise to Europe in just under 18h 25m. Your travel time can differ by up to 12h 11m. Airlines will cover a distance of 5275 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Boise to Europe are Boise Air Term. Gowen Fld - Brussels Bruxelles-National, Boise Air Term. Gowen Fld - Barcelona-El Prat and Boise Air Term. Gowen Fld - Paris Charles de Gaulle.

  • 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, March is the cheapest month in which you can book a flight from Boise to Europe (average of $471). Flying from Boise 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 Boise to Europe

Discover the top 10 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$483Average$675FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$493Average$877FlexibilityNo cancel feeOn-time69%
DeltaCheapest$546Average$929FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$577Average$843FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$602Average$1,020FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$602Average$1,000FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$604Average$944FlexibilityNo cancel feeOn-time72%
FinnairCheapest$637Average$927FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$642Average$1,052FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$722Average$988FlexibilityNo cancel feeOn-time77%

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