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Heidelberg

$362+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/10. 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 12/266:35 amBOI - FRA
1 stop19h 00mUnited Airlines
Mon 12/298:15 amFRA - BOI
2 stops21h 16mUnited Airlines
Deal found 12/10$1,016
This Finnair deal was found by Cheapflights users on 12/10. 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.
Fri 12/267:00 amBOI - FRA
2 stops17h 50mMultiple Airlines
Mon 12/2910:50 amFRA - BOI
2 stops19h 12mMultiple Airlines
Deal found 12/10$1,039
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:40 pmBOI - FRA
2 stops15h 25mLufthansa
Wed 12/319:15 amFRA - BOI
2 stops16h 48mLufthansa
Deal found 12/11$1,232
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:10 pmBOI - FRA
1 stop16h 45mUnited Airlines
Wed 12/3112:50 pmFRA - BOI
1 stop18h 09mUnited Airlines
Deal found 12/11$1,329
This Air Canada deal was found by Cheapflights users on 12/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amBOI - FRA
3 stops20h 55mMultiple Airlines
Wed 12/3110:05 amFRA - BOI
2 stops19h 26mMultiple Airlines
Deal found 12/11$1,547
This Air Canada deal was found by Cheapflights users on 12/11. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:15 amBOI - FRA
3 stops20h 55mAir Canada
Wed 12/3110:05 amFRA - BOI
3 stops31h 56mAir Canada
Deal found 12/11$1,576
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Fri 12/266:15 amBOI - FRA
3 stops20h 55mAir Canada
Mon 12/2910:05 amFRA - BOI
3 stops31h 56mAir Canada
Deal found 12/10$2,464

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 December 12, 2025.

Round-trip from

$545
(Kiwi.com)

One-way from

$362
(FlightHub)

Popular in

September

Cheapest in

August

Average price

$1,062
From Boise Air Term. Gowen Fld to Heidelberg
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Heidelberg
Search Deals
High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 12, 2025.
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

Sat 2/28

8:00 am-11:05 am

2 stops19h 05m

Frankfurt am Main

Mon 3/9

11:10 am-9:29 pm

1 stop17h 19m

$576

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 1/21

2:37 pm-6:05 pm

2 stops19h 28m

Frankfurt am Main

Sun 1/25

5:10 pm-9:52 pm

2 stops36h 42m

$589

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 2/6

8:15 am-9:55 am

1 stop17h 40m

Frankfurt am Main

Tue 2/10

5:10 pm-6:07 pm

2 stops32h 57m

$592

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 1/8

12:19 pm-1:05 pm

2 stops16h 46m

Frankfurt am Main

Thu 1/15

1:20 pm-11:48 pm

1 stop18h 28m

$605

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sun 1/25

10:48 am-9:35 am

1 stop14h 47m

Frankfurt am Main

Sun 2/1

10:25 am-7:51 pm

1 stop17h 26m

$609

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 5/25

1:00 pm-7:45 pm

2 stops22h 45m

$362

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sat 3/7

12:59 pm-7:55 am

2 stops34h 56m

$364

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 3/5

6:24 am-12:05 pm

2 stops21h 41m

$391

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 3/4

1:44 pm-4:05 pm

2 stops18h 21m

$391

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 3/9

10:49 am-1:05 pm

2 stops19h 16m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 13 results
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

What is the cheapest time of day to fly from BOI to HE1?

Find hourly flight availability from Boise to Heidelberg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s optimal to fly from Boise to Heidelberg in the evening. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the afternoon.

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 December 12, 2025.
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
9,095 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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 05m. 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

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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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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$670Average$914FlexibilityNo cancel feeOn-time69%

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