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Heidelberg

$384+ Cheap flights from Boise (BOI) to Heidelberg, Germany

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Aug 11 — Aug 181
Tue 8/11
Tue 8/18
1 adult, Economy
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Cheap flight deals from Boise to Heidelberg

Cheapest flights from Boise to Heidelberg
Explore the most affordable flight options available from Boise to Heidelberg. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 12, 2026.

This Condor deal was found by Cheapflights users on 7/8. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:52 am
BOI
-
FRA
1 stop17h 48m
Multiple Airlines
Thu 8/2711:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 7/8$636
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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.
Mon 8/1010:52 am
BOI
-
FRA
1 stop17h 48m
Multiple Airlines
Thu 8/2011:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 7/7$738
This United Airlines deal was found by Cheapflights users on 7/8. 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 11/312:32 pm
BOI
-
FRA
2 stops23h 33m
United Airlines
Thu 11/55:10 pm
FRA
-
BOI
2 stops36h 20m
United Airlines
Deal found 7/8$750
This Expedia deal was found by Cheapflights users on 7/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2010:52 am
BOI
-
FRA
1 stop17h 48m
Multiple Airlines
Sun 8/2311:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 7/8$778
This Cheapflightsfares deal was found by Cheapflights users on 7/7. 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.
Tue 8/1111:42 am
BOI
-
FRA
1 stop17h 28m
Multiple Airlines
Thu 8/2011:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 7/7$797
This Air France deal was found by Cheapflights users on 7/11. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:43 pm
BOI
-
FRA
2 stops19h 02m
Multiple Airlines
Fri 11/276:50 am
FRA
-
BOI
2 stops17h 59m
Multiple Airlines
Deal found 7/11$838

Find flight deals from Boise to Heidelberg

Keep the following information in mind while searching for Boise to Heidelberg flight deals. Data was last updated July 12, 2026.

Round-trip from

$636
(Condor)

One-way from

$384
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$1,153
From Boise Air Term. Gowen Fld to Heidelberg
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Heidelberg
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($91 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise to Heidelberg 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 July 12, 2026.
Use the filters below to find and compare flights from Boise to Heidelberg that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 11/3

12:32 pm-8:05 pm

2 stops23h 33m

Frankfurt am Main

Thu 11/5

5:10 pm-9:30 pm

2 stops36h 20m

$750

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 8/11

10:52 am-12:40 pm

1 stop17h 48m

Frankfurt am Main

Thu 8/20

11:40 am-10:27 pm

1 stop18h 47m

$834

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 11/18

1:43 pm-4:45 pm

2 stops19h 02m

Frankfurt am Main

Fri 11/27

6:50 am-4:49 pm

2 stops17h 59m

$838
Quickest round-trip

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 11/18

2:39 pm-10:55 am

1 stop12h 16m

Frankfurt am Main

Fri 11/27

11:10 am-10:42 pm

1 stop19h 32m

$883

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 12/11

8:40 am-9:35 am

1 stop16h 55m

Frankfurt am Main

Wed 1/20

11:10 am-7:35 pm

1 stop16h 25m

$887

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 8/11

2:44 pm-11:15 am

1 stop12h 31m

Frankfurt am Main

Thu 8/20

8:15 am-9:37 pm

2 stops21h 22m

$903

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 8/10

2:41 pm-10:05 am

2 stops35h 24m

Frankfurt am Main

Thu 8/20

10:00 am-11:28 am

2 stops33h 28m

$903

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 8/10

8:45 am-2:20 pm

2 stops21h 35m

Frankfurt am Main

Thu 8/20

11:45 am-10:30 pm

2 stops18h 45m

$923
Cheapest one-way

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/15

8:57 am-12:40 pm

1 stop19h 43m

$384
Quickest one-way

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/15

12:26 pm-12:05 pm

2 stops15h 39m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 11 resultsSorted by cheapest first
1
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Best time to book a flight from Boise to Heidelberg

Have a flexible travel schedule? Discover the best time to fly to Heidelberg 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 Heidelberg
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heidelberg

Get insights into the airlines that provide service to Heidelberg. 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 Heidelberg. Reviews last updated July 12, 2026.
Read reviews from past customers who have flown United Airlines from Boise to Heidelberg. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,979 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable
United Airlines
7.4
Good
9,979 reviews
United Airlines
7.4
Good
9,979 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.7

Reviews

1 / 20
6.0
Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Related info for your journey

Find useful and relevant information for your journey from Boise to Heidelberg. 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 Heidelberg?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly out of if you book a flight from Boise to Heidelberg. You should not have trouble finding flights to Heidelberg from Air Term. Gowen Fld; the airport handles an average of 0 outbound flights to Heidelberg per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Boise airport to Heidelberg. It is only a 3.3 mi journey to Air Term. Gowen Fld (BOI) from Boise’s city center.

  • How long is the flight from Boise to Heidelberg?

    There are many flights that can get you from Boise to Heidelberg in 23h 33m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5162 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise to Heidelberg 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

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Alternative routes for Boise to Heidelberg

See prices for flight routes from nearby airports that may be better suited for you.
Boise to Munich flights
Spokane to Frankfurt flights

Top airline flying from Boise to Heidelberg

Discover the top airline that operate flights from Boise to Heidelberg. 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 July 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$606Average$906FlexibilityNo cancel feeOn-time69%

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