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$557+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
mag 22 — mag 291
ven 5/22
ven 5/29
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 aprile 22, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 4/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
gio 4/232:57 pm
BOI
-
FRA
1 stop14h 13m
Multiple Airlines
lun 5/1111:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 4/19$769
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 9/71:29 pm
BOI
-
FRA
1 stop13h 21m
Multiple Airlines
ven 9/112:40 pm
FRA
-
BOI
1 stop13h 44m
Multiple Airlines
Deal found 4/20$804
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 8/221:29 pm
BOI
-
FRA
1 stop13h 01m
Multiple Airlines
mar 9/12:15 pm
FRA
-
BOI
1 stop16h 18m
Multiple Airlines
Deal found 4/18$828
This Cheapflightsfares deal was found by Cheapflights users on 4/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven 4/242:57 pm
BOI
-
FRA
1 stop14h 03m
Multiple Airlines
dom 5/1011:40 am
FRA
-
BOI
1 stop18h 47m
Multiple Airlines
Deal found 4/17$831
This Condor deal was found by Cheapflights users on 4/17. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 8/811:42 am
BOI
-
FRA
1 stop17h 38m
Multiple Airlines
sab 9/122:35 pm
FRA
-
BOI
1 stop13h 49m
Multiple Airlines
Deal found 4/17$876
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 9/68:25 am
BOI
-
FRA
2 stops19h 45m
United Airlines
mar 9/810:25 am
FRA
-
BOI
1 stop18h 54m
United Airlines
Deal found 4/20$882
This Air Canada deal was found by Cheapflights users on 4/20. 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.
lun 9/76:30 am
BOI
-
FRA
2 stops20h 30m
Air Canada
mer 9/910:15 am
FRA
-
BOI
2 stops35h 20m
Air Canada
Deal found 4/20$886
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sab 9/55:44 pm
BOI
-
FRA
1 stop33h 31m
United Airlines
mar 9/810:40 am
FRA
-
BOI
2 stops21h 10m
United Airlines
Deal found 4/20$887
This Expedia deal was found by Cheapflights users on 4/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 8/1910:14 am
BOI
-
FRA
1 stop18h 26m
Multiple Airlines
lun 8/3111:30 am
FRA
-
BOI
1 stop20h 25m
Multiple Airlines
Deal found 4/18$888

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 aprile 22, 2026.

Round-trip from

$804
(Cheapflightsfares)

One-way from

$557
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,031
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. 24% potential increase in price ($322 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($87 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 aprile 22, 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

dom 9/6

8:25 am-12:10 pm

2 stops19h 45m

Frankfurt am Main

mar 9/8

10:25 am-9:19 pm

1 stop18h 54m

$882

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

lun 9/7

5:00 am-9:20 am

1 stop20h 20m

Frankfurt am Main

ven 9/11

5:35 pm-1:35 pm

2 stops28h 00m

$940

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

mar 9/8

5:44 pm-6:05 pm

2 stops16h 21m

Frankfurt am Main

ven 9/11

12:55 pm-9:19 pm

1 stop16h 24m

$957

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

mar 9/8

6:00 am-9:50 am

2 stops19h 50m

Frankfurt am Main

gio 9/10

10:15 am-8:18 pm

2 stops18h 03m

$963

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

sab 7/11

10:00 am-1:20 pm

1 stop19h 20m

Frankfurt am Main

sab 8/15

11:25 am-11:48 pm

1 stop20h 23m

$1,019

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

ven 9/4

11:46 am-9:45 am

1 stop13h 59m

Frankfurt am Main

mar 9/8

1:15 pm-10:32 pm

2 stops17h 17m

$1,019
Quickest round-trip

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

ven 9/4

11:46 am-9:45 am

1 stop13h 59m

Frankfurt am Main

ven 9/11

12:55 pm-9:19 pm

1 stop16h 24m

$1,021

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

sab 9/12

5:44 pm-7:20 am

2 stops29h 36m

Frankfurt am Main

sab 10/24

12:15 pm-11:52 pm

2 stops19h 37m

$1,023

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

mer 9/9

11:46 am-9:45 am

1 stop13h 59m

Frankfurt am Main

dom 9/13

5:30 pm-4:48 pm

1 stop31h 18m

$1,027
Cheapest one-way

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

mer 5/27

6:07 pm-9:30 pm

3 stops43h 23m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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

How much does it cost to fly round-trip from Boise to Heidelberg?

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 aprile 22, 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
9,625 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,625 reviews
United Airlines
7.4
Good
9,625 reviews

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was 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 19h 45m. 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.
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Boise to Munich 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 aprile 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$971FlexibilityNo cancel feeOn-time69%

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