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Heidelberg

$399+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
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 February 5, 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 Air Canada deal was found by Cheapflights users on 2/5. 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.
Tue 4/72:37 pm
BOI
-
FRA
2 stops35h 38m
Air Canada
Wed 4/151:20 pm
FRA
-
BOI
2 stops34h 04m
Air Canada
Deal found 2/5$588
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Wed 4/85:00 am
BOI
-
FRA
2 stops19h 05m
Air Canada
Wed 4/151:20 pm
FRA
-
BOI
2 stops34h 04m
Air Canada
Deal found 2/5$592
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Tue 4/72:37 pm
BOI
-
FRA
2 stops35h 38m
Air Canada
Thu 4/165:05 pm
FRA
-
BOI
2 stops36h 10m
Air Canada
Deal found 2/5$597
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Wed 4/85:00 am
BOI
-
FRA
2 stops19h 05m
Air Canada
Thu 4/165:05 pm
FRA
-
BOI
2 stops36h 10m
Air Canada
Deal found 2/5$600
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 2/5. 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 4/75:00 am
BOI
-
FRA
1 stop20h 20m
United Airlines
Tue 4/149:15 am
FRA
-
BOI
2 stops21h 42m
United Airlines
Deal found 2/5$610
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/76:15 am
BOI
-
FRA
1 stop19h 05m
United Airlines
Wed 4/1512:55 pm
FRA
-
BOI
1 stop14h 58m
United Airlines
Deal found 2/5$612
This Delta deal was found by Cheapflights users on 2/5. 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.
Tue 4/75:30 am
BOI
-
FRA
2 stops20h 20m
Delta
Thu 4/1610:40 am
FRA
-
BOI
1 stop19h 48m
Delta
Deal found 2/5$616
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Tue 4/72:37 pm
BOI
-
FRA
2 stops35h 38m
Air Canada
Mon 4/132:00 pm
FRA
-
BOI
2 stops40h 57m
Air Canada
Deal found 2/5$647
This Air Canada deal was found by Cheapflights users on 2/5. 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.
Wed 4/85:00 am
BOI
-
FRA
2 stops19h 05m
Air Canada
Mon 4/132:00 pm
FRA
-
BOI
2 stops33h 24m
Air Canada
Deal found 2/5$650

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 February 5, 2026.

Round-trip from

$585
(Cheapflightsfares)

One-way from

$399
(United Airlines)

Popular in

March

Cheapest in

January
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. 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 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 February 5, 2026.
Use the filters below to find and compare flights from Boise to Heidelberg that are best for you.

Fly from

Boise

Fly to

Heidelberg

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 4/8

9:26 am-9:45 am

1 stop16h 19m

Frankfurt am Main

Tue 4/14

9:15 am-10:57 pm

2 stops21h 42m

$610

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 4/8

9:26 am-9:45 am

1 stop16h 19m

Frankfurt am Main

Wed 4/15

12:55 pm-7:53 pm

1 stop14h 58m

$612

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 4/7

9:26 am-9:45 am

1 stop16h 19m

Frankfurt am Main

Tue 4/14

12:40 pm-10:57 pm

1 stop18h 17m

$612

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 4/7

5:30 am-9:50 am

2 stops20h 20m

Frankfurt am Main

Thu 4/16

10:40 am-10:28 pm

1 stop19h 48m

$616

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 4/9

6:15 am-9:45 am

1 stop19h 30m

Frankfurt am Main

Tue 4/14

10:00 am-11:49 am

2 stops33h 49m

$647

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 4/8

5:00 am-8:05 am

2 stops19h 05m

Frankfurt am Main

Mon 4/13

2:00 pm-3:24 pm

2 stops33h 24m

$650

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 4/23

6:43 am-8:45 am

1 stop18h 02m

Frankfurt am Main

Mon 5/11

7:20 pm-10:38 pm

2 stops35h 18m

$659

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 4/7

9:26 am-3:15 pm

1 stop21h 49m

Frankfurt am Main

Mon 4/13

7:50 am-9:15 pm

2 stops21h 25m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 14 results
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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 February 5, 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
9,240 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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
9,240 reviews
United Airlines
7.4
Good
9,240 reviews

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

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 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 17h 44m. Fly via Lufthansa or United Airlines to get the fastest option. Airlines will cover a distance of 5162 mi. This flight may include one or multiple stops.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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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Spokane to Stuttgart 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$908FlexibilityNo cancel feeOn-time69%

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