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Heidelberg

$553+ 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
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
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 March 11, 2026.

This Expedia deal was found by Cheapflights users on 3/6. 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 4/202:22 pm
BOI
-
FRA
1 stop14h 48m
Multiple Airlines
Mon 4/272:45 pm
FRA
-
BOI
1 stop16h 17m
Multiple Airlines
Deal found 3/6$672
This Condor deal was found by Cheapflights users on 3/10. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:15 pm
BOI
-
FRA
1 stop16h 55m
Multiple Airlines
Mon 5/112:45 pm
FRA
-
BOI
1 stop16h 17m
Multiple Airlines
Deal found 3/10$730
This Condor deal was found by Cheapflights users on 3/8. 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.
Wed 4/2212:15 pm
BOI
-
FRA
1 stop16h 30m
Multiple Airlines
Wed 4/292:15 pm
FRA
-
BOI
1 stop16h 47m
Multiple Airlines
Deal found 3/8$767
This Condor deal was found by Cheapflights users on 3/8. 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.
Sun 8/1610:52 am
BOI
-
FRA
1 stop17h 48m
Multiple Airlines
Sat 8/2911:25 am
FRA
-
BOI
1 stop20h 34m
Multiple Airlines
Deal found 3/8$778
This Condor deal was found by Cheapflights users on 3/10. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:29 am
BOI
-
FRA
1 stop17h 26m
Multiple Airlines
Mon 9/212:45 pm
FRA
-
BOI
1 stop16h 02m
Multiple Airlines
Deal found 3/10$788
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Wed 4/222:37 pm
BOI
-
FRA
2 stops19h 28m
United Airlines
Wed 4/295:05 pm
FRA
-
BOI
2 stops37h 45m
United Airlines
Deal found 3/8$860
This Condor deal was found by Cheapflights users on 3/10. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:57 pm
BOI
-
FRA
1 stop14h 03m
Multiple Airlines
Fri 5/12:40 pm
FRA
-
BOI
1 stop16h 22m
Multiple Airlines
Deal found 3/10$874
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Mon 4/204:05 pm
BOI
-
FRA
2 stops18h 00m
United Airlines
Mon 4/275:15 pm
FRA
-
BOI
2 stops34h 38m
United Airlines
Deal found 3/6$883
This oojo deal was found by Cheapflights users on 3/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:57 pm
BOI
-
FRA
1 stop14h 13m
Condor
Mon 5/112:45 pm
FRA
-
BOI
1 stop13h 26m
Condor
Deal found 3/7$892
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
BOI
-
FRA
1 stop23h 00m
Condor
Sun 5/102:15 pm
FRA
-
BOI
1 stop16h 47m
Condor
Deal found 3/9$913

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 March 11, 2026.

Round-trip from

$672
(Expedia)

One-way from

$553
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$1,845
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. 19% potential increase in price ($252 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 11, 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
Quickest round-trip

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Thu 4/23

12:15 pm-1:10 pm

1 stop16h 55m

Frankfurt am Main

Mon 5/11

2:45 pm-11:02 pm

1 stop16h 17m

$730

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 4/20

4:05 pm-6:05 pm

2 stops18h 00m

Frankfurt am Main

Mon 4/27

5:15 pm-7:53 pm

2 stops34h 38m

$883

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

$944

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 4/24

5:29 pm-6:05 pm

2 stops16h 36m

Frankfurt am Main

Fri 5/1

5:05 pm-9:17 pm

2 stops36h 12m

$960

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 4/24

5:29 pm-6:05 pm

2 stops16h 36m

Frankfurt am Main

Sun 5/10

9:25 am-9:17 pm

2 stops19h 52m

$972

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 4/24

1:29 pm-6:20 pm

2 stops20h 51m

Frankfurt am Main

Sun 5/10

10:55 am-10:54 pm

1 stop19h 59m

$975

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sun 4/5

8:20 am-6:30 am

1 stop14h 10m

Frankfurt am Main

Sun 4/12

4:30 pm-9:17 pm

2 stops36h 47m

$1,107

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sun 8/16

6:30 am-6:00 am

2 stops15h 30m

Frankfurt am Main

Sat 8/29

9:55 am-9:25 pm

2 stops43h 30m

$1,142

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 7/14

5:00 am-9:20 am

1 stop20h 20m

Frankfurt am Main

Sat 7/25

6:00 pm-9:35 pm

2 stops35h 35m

$1,173

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 5/20

8:28 pm-10:55 am

1 stop30h 27m

Frankfurt am Main

Sat 5/30

11:45 am-10:58 pm

1 stop19h 13m

$1,183

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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 March 11, 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
9,414 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

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
9,414 reviews
United Airlines
7.4
Good
9,414 reviews

Overall

7.4

Comfort

7.3

Entertainment

7.1

Crew

8.1

Food

6.6

Boarding

7.7

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 18h. Fly via United Airlines or Finnair 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 March 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$656Average$914FlexibilityNo cancel feeOn-time69%

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