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$332+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MAD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Finnair deal was found by Cheapflights users on 12/10. 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.
Sat 12/136:44 amBOI - DUB
1 stop17h 26mMultiple Airlines
Fri 1/306:05 pmDUB - BOI
2 stops32h 20mMultiple Airlines
Deal found 12/10$480
This Booking.com deal was found by Cheapflights users on 12/10. 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.
Wed 12/1012:16 pmBOI - DUB
2 stops35h 54mMultiple Airlines
Wed 12/1712:05 pmDUB - BOI
2 stops40h 26mMultiple Airlines
Deal found 12/10$481
This FlightHub deal was found by Cheapflights users on 12/10. 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 12/1012:16 pmBOI - DUB
1 stop12h 54mLufthansa
Wed 12/1712:05 pmDUB - BOI
2 stops36h 58mLufthansa
Deal found 12/10$484
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/1212:16 pmBOI - DUB
2 stops15h 04mUnited Airlines
Tue 12/1610:40 amDUB - BOI
2 stops17h 45mUnited Airlines
Deal found 12/11$488
This Finnair deal was found by Cheapflights users on 12/10. 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.
Thu 12/116:44 amBOI - DUB
2 stops18h 56mMultiple Airlines
Thu 12/1811:30 amDUB - BOI
2 stops32h 07mMultiple Airlines
Deal found 12/10$498
This Delta deal was found by Cheapflights users on 12/10. 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 12/117:30 amBOI - DUB
2 stops22h 10mDelta
Thu 12/189:45 amDUB - BOI
2 stops31h 30mDelta
Deal found 12/10$508
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/1312:16 pmBOI - DUB
1 stop12h 54mUnited Airlines
Fri 1/3010:40 amDUB - BOI
1 stop19h 17mUnited Airlines
Deal found 12/10$543
This Flysmarter deal was found by Cheapflights users on 12/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:55 pmBOI - FCO
1 stop36h 35mKLM
Mon 1/128:25 pmFCO - BOI
2 stops27h 52mKLM
Deal found 12/9$693
This United Airlines deal was found by Cheapflights users on 12/8. 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 12/169:40 amBOI - LHR
2 stops18h 10mUnited Airlines
Wed 1/1412:05 pmLHR - BOI
2 stops29h 01mUnited Airlines
Deal found 12/8$795
This United Airlines deal was found by Cheapflights users on 12/9. 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 12/166:20 amBOI - LIS
2 stops20h 00mUnited Airlines
Wed 1/1411:20 amLIS - BOI
2 stops41h 32mUnited Airlines
Deal found 12/9$855
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Thu 12/1112:16 pmBOI - DUB
1 stop12h 54mLufthansa
Thu 12/1810:40 amDUB - BOI
2 stops17h 51mLufthansa
Deal found 12/10$880
This Billigflug deal was found by Cheapflights users on 12/9. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:42 amBOI - FCO
2 stops28h 18mMultiple Airlines
Mon 1/127:05 amFCO - BOI
2 stops23h 52mMultiple Airlines
Deal found 12/9$982

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 December 12, 2025.

Round-trip from

$460
(United Airlines)

One-way from

$332
(Air Canada)

Popular in

December

Cheapest in

October

Average price

$1,499
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 ($132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Mon 1/12

9:48 am-7:30 am

2 stops14h 42m

Dublin

Sun 1/18

9:00 am-7:51 pm

2 stops41h 51m

$460

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

4:02 pm-4:30 pm

2 stops16h 28m

Barcelona-El Prat

Fri 2/27

10:40 am-10:36 pm

1 stop19h 56m

$480

BoiseVenice

BOI - VCE

BOIVCE

Boise Air Term. Gowen Fld

Mon 2/23

2:40 pm-10:45 pm

2 stops24h 05m

Venice Marco Polo

Tue 3/3

6:45 am-9:32 pm

2 stops22h 47m

$482

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Fri 2/6

8:15 am-8:10 am

1 stop16h 55m

Dublin

Tue 2/10

10:40 am-10:57 pm

1 stop19h 17m

$483

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 3/9

7:00 am-7:50 am

1 stop17h 50m

Barcelona-El Prat

Mon 3/16

10:40 am-10:36 pm

1 stop18h 56m

$484

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 2/20

1:36 pm-4:30 pm

2 stops18h 54m

Barcelona-El Prat

Fri 2/27

10:40 am-11:34 pm

2 stops20h 54m

$485

BoiseDublin

BOI - DUB

BOIDUB

Boise Air Term. Gowen Fld

Sun 3/1

7:00 am-8:40 am

2 stops18h 40m

Dublin

Sat 3/7

6:05 pm-9:36 pm

2 stops34h 31m

$485

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Mon 2/16

7:00 am-8:50 am

1 stop17h 50m

Barcelona-El Prat

Sun 2/22

3:05 pm-12:46 pm

2 stops29h 41m

$488

BoiseBarcelona

BOI - BCN

BOIBCN

Boise Air Term. Gowen Fld

Fri 3/13

6:24 am-8:35 am

2 stops19h 11m

Barcelona-El Prat

Fri 3/20

6:45 am-11:57 pm

2 stops24h 12m

$493

BoiseLisbon

BOI - LIS

BOILIS

Boise Air Term. Gowen Fld

Wed 1/7

5:16 pm-9:20 am

2 stops33h 04m

Lisbon Humberto Delgado

Wed 1/14

11:20 am-9:52 pm

2 stops41h 32m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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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, March is the cheapest month in which you can book a flight from Boise to Europe (average of $480). 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.

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

Find hourly flight availability from Boise 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 December 12, 2025.

When flying from Boise to Europe, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 4% versus a flight in the evening.

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

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

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

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 December 12, 2025.
Get a feel of what it's like to fly with Delta, KLM, and Virgin 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.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
1,432 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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.
Virgin Atlantic
7.5
Good
675 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

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?

    United Airlines, Lufthansa, and American Airlines can get you from Boise to Europe in just under 14h 42m. Your travel time can differ by up to 9h 23m. Airlines will cover a distance of 4560 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 United Airlines ($328), Iberia ($360), and Delta ($457).

  • 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 - Barcelona-El Prat, Boise Air Term. Gowen Fld - Rome Fiumicino and Boise Air Term. Gowen Fld - London Heathrow.

  • 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 $480). 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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See prices for flight routes from nearby airports that may be better suited for you.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$882FlexibilityNo cancel feeOn-time69%
IberiaCheapest$513Average$764FlexibilityNo cancel feeOn-time77%
KLMCheapest$577Average$848FlexibilityNo cancel feeOn-time75%
DeltaCheapest$590Average$956FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$602Average$1,050FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$602Average$1,023FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$604Average$901FlexibilityNo cancel feeOn-time72%
FinnairCheapest$637Average$980FlexibilityNo cancel feeOn-time76%
Scandinavian AirlinesCheapest$642Average$1,085FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$722Average$987FlexibilityNo cancel feeOn-time77%

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