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$399+ Cheap flights from Boise (BOI) to Frankfurt (FRA)

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheap 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 February 3, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:16 pm
BOI
-
FRA
1 stop17h 44m
Lufthansa
Thu 3/121:10 pm
FRA
-
BOI
1 stop15h 19m
Lufthansa
Deal found 2/1$585
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 3/48:05 am
BOI
-
FRA
2 stops20h 00m
United Airlines
Thu 3/128:15 am
FRA
-
BOI
2 stops19h 58m
United Airlines
Deal found 2/1$609
This United Airlines deal was found by Cheapflights users on 2/1. 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.
Wed 3/1810:49 am
BOI
-
FRA
2 stops17h 16m
United Airlines
Wed 3/258:40 am
FRA
-
BOI
2 stops20h 19m
United Airlines
Deal found 2/1$615
This Finnair deal was found by Cheapflights users on 2/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:44 am
BOI
-
FRA
1 stop18h 01m
Finnair
Mon 5/117:20 pm
FRA
-
BOI
2 stops35h 18m
Finnair
Deal found 2/1$661
This Finnair deal was found by Cheapflights users on 2/2. 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 4/231:29 pm
BOI
-
FRA
2 stops21h 06m
Multiple Airlines
Mon 5/117:20 pm
FRA
-
BOI
2 stops35h 18m
Multiple Airlines
Deal found 2/2$669
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/245:29 pm
BOI
-
FRA
2 stops16h 36m
United Airlines
Sun 5/105:05 pm
FRA
-
BOI
2 stops36h 12m
United Airlines
Deal found 2/2$696
This United Airlines deal was found by Cheapflights users on 2/2. 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 4/236:15 am
BOI
-
FRA
1 stop19h 30m
United Airlines
Mon 5/1112:55 pm
FRA
-
BOI
1 stop16h 22m
United Airlines
Deal found 2/2$714
This Expedia deal was found by Cheapflights users on 2/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:55 am
BOI
-
FRA
1 stop17h 45m
Multiple Airlines
Mon 8/242:15 pm
FRA
-
BOI
1 stop17h 56m
Multiple Airlines
Deal found 2/1$806
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/2510:25 am
BOI
-
FRA
2 stops19h 40m
United Airlines
Sun 3/19:50 am
FRA
-
BOI
2 stops21h 48m
United Airlines
Deal found 2/2$809

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$585
(Cheapflightsfares)

One-way from

$399
(United Airlines)

Popular in

March

Cheapest in

January
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Frankfurt am Main flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Frankfurt am Main flights.
Search Deals
From Boise Air Term. Gowen Fld to Frankfurt am Main
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Frankfurt am Main
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($243 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($79 potential savings vs. average RT price).
Search Deals

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 February 3, 2026.
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

Wed 3/4

12:16 pm-2:00 pm

1 stop17h 44m

Frankfurt am Main

Thu 3/12

1:10 pm-9:29 pm

1 stop15h 19m

$585

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 3/4

8:05 am-12:05 pm

2 stops20h 00m

Frankfurt am Main

Thu 3/12

8:15 am-9:13 pm

2 stops19h 58m

$609

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 3/18

10:49 am-11:05 am

2 stops17h 16m

Frankfurt am Main

Wed 3/25

8:40 am-9:59 pm

2 stops20h 19m

$615

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 4/23

6:44 am-8:45 am

1 stop18h 01m

Frankfurt am Main

Mon 5/11

7:20 pm-10:38 pm

2 stops35h 18m

$661

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 4/23

1:29 pm-6:35 pm

2 stops21h 06m

Frankfurt am Main

Mon 5/11

7:20 pm-10:38 pm

2 stops35h 18m

$669

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 4/24

5:29 pm-10:05 am

2 stops32h 36m

Frankfurt am Main

Sun 5/10

5:05 pm-9:17 pm

2 stops36h 12m

$696

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sat 4/11

7:03 pm-6:30 am

2 stops27h 27m

$399

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sun 2/15

1:39 pm-4:50 pm

2 stops19h 11m

$516

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sun 2/15

11:56 am-9:50 am

3 stops37h 54m

$526

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sat 4/11

6:15 am-8:00 am

3 stops17h 45m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 11 results
1
2

Compare providers for flights from Boise to Frankfurt

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Frankfurt in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Frankfurt am Main Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Frankfurt am Main Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Frankfurt am Main Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Frankfurt am Main Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Frankfurt am Main Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 February 3, 2026.
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
9,236 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,236 reviews
United Airlines
7.4
Good
9,236 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 17h 44m. 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 $656. United Airlines is 37% 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.

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
Wurzburg
Baden-Baden
Speyer
Wiesbaden
Heilbronn
Trier
Boppard
Mainz

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Alternative routes for Boise to Frankfurt

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$908FlexibilityNo cancel feeOn-time69%

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