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$702+ Cheap flights from Boise (BOI) to Frankfurt (FRA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Boise to Frankfurt

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Frankfurt (FRA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$702
(Billigflug)

Popular in

September

Cheapest in

August

Average price

$1,583
From Boise Air Term. Gowen Fld to Frankfurt am Main
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Boise to Frankfurt

Cheapest flights from Boise to Frankfurt
Explore the most affordable flight options available from Boise to Frankfurt. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Billigflug deal was found by Cheapflights users on 9/16. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:45 amBOI - FRA
2 stops19h 15mAir Canada
Thu 11/612:50 pmFRA - BOI
1 stop30h 49mAir Canada
Deal found 9/16$702
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/122:40 pmBOI - FRA
1 stop16h 15mUnited Airlines
Sun 11/1610:10 amFRA - BOI
1 stop21h 18mUnited Airlines
Deal found 9/14$727
This United Airlines deal was found by Cheapflights users on 9/17. 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.
Thu 10/3010:40 amBOI - FRA
1 stop21h 15mUnited Airlines
Fri 11/2810:10 amFRA - BOI
1 stop21h 18mUnited Airlines
Deal found 9/17$772
This Delta deal was found by Cheapflights users on 9/17. 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.
Thu 10/305:25 amBOI - FRA
2 stops20h 15mDelta
Fri 11/2810:40 amFRA - BOI
2 stops31h 38mDelta
Deal found 9/17$777
This Finnair deal was found by Cheapflights users on 9/15. 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 10/307:00 amBOI - FRA
2 stops18h 50mMultiple Airlines
Fri 11/2810:50 amFRA - BOI
2 stops19h 17mMultiple Airlines
Deal found 9/15$784
This Booking.com deal was found by Cheapflights users on 9/15. 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.
Tue 12/166:35 amBOI - FRA
2 stops20h 10mAir Canada
Thu 1/2210:05 amFRA - BOI
2 stops19h 47mAir Canada
Deal found 9/15$791
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/98:20 amBOI - FRA
1 stop17h 35mUnited Airlines
Mon 10/135:00 pmFRA - BOI
2 stops36h 24mUnited Airlines
Deal found 9/15$795

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Frankfurt 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 September 17, 2025.
Use the filters below to find and compare flights from Boise to Frankfurt am Main Airport that are best for you.

Fly from

Boise

Fly to

Frankfurt

Route

Depart

Return

Price

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/23

7:45 am-3:15 pm

1 stop23h 30m

Frankfurt am Main

Thu 11/6

1:20 pm-11:28 pm

1 stop18h 08m

$704

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 11/12

2:40 pm-2:55 pm

1 stop16h 15m

Frankfurt am Main

Sun 11/16

10:10 am-11:28 pm

1 stop21h 18m

$727

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/30

10:40 am-2:55 pm

1 stop21h 15m

Frankfurt am Main

Fri 11/28

1:20 pm-11:28 pm

1 stop18h 08m

$772

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/30

5:25 am-8:40 am

2 stops20h 15m

Frankfurt am Main

Fri 11/28

10:40 am-10:18 am

2 stops31h 38m

$777

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 12/16

6:35 am-10:45 am

2 stops20h 10m

Frankfurt am Main

Thu 1/22

10:05 am-9:52 pm

2 stops19h 47m

$791

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 10/3

9:45 am-9:10 am

1 stop15h 25m

Frankfurt am Main

Fri 10/17

5:05 pm-6:47 pm

2 stops33h 42m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from Boise to Frankfurt

Have a flexible travel schedule? Discover the best time to fly to Frankfurt 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 Frankfurt am Main Airport

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

Find hourly flight availability from Boise to Frankfurt. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

When flying from Boise to Frankfurt am Main Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 9% versus a flight at noon.

Reviews of airlines servicing Frankfurt

Get insights into the airlines that provide service to Frankfurt. 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 Frankfurt. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with United Airlines from Boise to Frankfurt am Main Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

Related info for your journey

Find useful and relevant information for your journey from Boise to Frankfurt. 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 Frankfurt am Main?

    For a flight from Boise to Frankfurt am Main, you will be flying from Air Term. Gowen Fld. Boise Air Term. Gowen Fld (BOI) is just 3.3 mi from the center of the city. Air Term. Gowen Fld is the only Boise airport and it handles 0 outbound flights to Frankfurt am Main per day. 1 airline has flights to Frankfurt am Main from Boise Air Term. Gowen Fld on a regular basis.

  • How long is the flight from Boise to Frankfurt am Main Airport?

    Departing from Boise to Frankfurt am Main Airport will take you 16h 15m. The distance between Boise and Frankfurt am Main Airport is about 5162 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boise to Frankfurt am Main Airport round-trip?

    Cheapflights users have booked flights from Boise to Frankfurt am Main Airport round-trip from $690. United Airlines is 31% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Frankfurt 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 Frankfurt am Main Airport?

    Currently, January is the cheapest month in which you can book a flight from Boise to Frankfurt am Main Airport (average of $729). Flying from Boise to Frankfurt am Main Airport in June is currently the most expensive (average of $1,091). 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

Traveling to a place near Frankfurt am Main Airport?

Book flights to Frankfurt am Main Airport if you plan to visit one of these locations
Koblenz
Baden-Baden
Wurzburg
Wiesbaden
Speyer
Trier
Boppard
Mainz

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Alternative routes for Boise to Frankfurt

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Boise to Frankfurt

Discover the top airline that operate flights from Boise to Frankfurt. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$690Average$940FlexibilityNo cancel feeOn-time69%

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