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Heidelberg

$668+ Cheap flights from Boise (BOI) to Heidelberg, Germany

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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Cheap 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 2, 2025.

Round-trip from

$668
(Condor)

Popular in

May

Cheapest in

April

Average price

$996
From Boise Air Term. Gowen Fld to Heidelberg
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($134 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 2, 2025.

This Condor deal was found by Cheapflights users on 7/1. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2311:19 amBOI - FRA
1 stop16h 51mMultiple Airlines
Thu 10/3011:40 amFRA - BOI
1 stop17h 28mMultiple Airlines
Deal found 7/1$668
This United Airlines deal was found by Cheapflights users on 6/30. 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 10/67:05 pmBOI - FRA
1 stop36h 10mUnited Airlines
Wed 11/125:10 pmFRA - BOI
2 stops28h 15mUnited Airlines
Deal found 6/30$696
This Iberia deal was found by Cheapflights users on 6/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:33 pmBOI - FRA
1 stop35h 12mIberia
Wed 11/1210:15 amFRA - BOI
1 stop19h 03mIberia
Deal found 6/30$713
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/62:39 pmBOI - FRA
2 stops32h 31mAir Canada
Wed 11/1210:05 amFRA - BOI
2 stops33h 34mAir Canada
Deal found 6/30$719
This Delta deal was found by Cheapflights users on 6/29. 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.
Wed 11/125:40 amBOI - FRA
2 stops18h 10mDelta
Sun 11/1610:40 amFRA - BOI
2 stops20h 03mDelta
Deal found 6/29$761
This Finnair deal was found by Cheapflights users on 6/30. 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.
Mon 8/257:00 amBOI - FRA
1 stop17h 45mFinnair
Mon 9/87:20 pmFRA - BOI
2 stops34h 28mFinnair
Deal found 6/30$796
This lastminute.com deal was found by Cheapflights users on 6/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2512:45 pmBOI - FRA
2 stops35h 55mVirgin Atlantic
Mon 9/811:50 amFRA - BOI
2 stops37h 07mVirgin Atlantic
Deal found 6/30$800
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/162:32 pmBOI - FRA
1 stop12h 58mLufthansa
Sat 8/2310:50 amFRA - BOI
1 stop19h 51mLufthansa
Deal found 7/2$801
This Scandinavian Airlines deal was found by Cheapflights users on 6/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:00 pmBOI - FRA
2 stops16h 40mScandinavian Airlines
Mon 9/87:00 amFRA - BOI
3 stops23h 57mScandinavian Airlines
Deal found 6/30$883
This oojo deal was found by Cheapflights users on 7/2. 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 10/38:42 pmBOI - FRA
1 stop31h 38mCondor
Fri 10/171:45 pmFRA - BOI
1 stop14h 31mCondor
Deal found 7/2$920
This oojo deal was found by Cheapflights users on 6/30. 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.
Sat 7/58:46 pmBOI - FRA
2 stops32h 14mIcelandair
Wed 7/232:00 pmFRA - BOI
2 stops34h 10mIcelandair
Deal found 6/30$1,145

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 2, 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

Thu 10/23

11:19 am-12:10 pm

1 stop16h 51m

Frankfurt am Main

Thu 10/30

11:40 am-10:08 pm

1 stop17h 28m

$668

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 10/6

7:05 pm-3:15 pm

1 stop36h 10m

Frankfurt am Main

Wed 11/12

5:10 pm-1:25 pm

2 stops28h 15m

$696

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 10/6

1:33 pm-8:45 am

1 stop35h 12m

Frankfurt am Main

Wed 11/12

10:15 am-9:18 pm

1 stop19h 03m

$713

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 10/6

2:39 pm-7:10 am

2 stops32h 31m

Frankfurt am Main

Wed 11/12

10:05 am-11:39 am

2 stops33h 34m

$719

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 11/12

5:40 am-7:50 am

2 stops18h 10m

Frankfurt am Main

Sun 11/16

10:40 am-12:17 am

2 stops21h 37m

$761

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 8/25

7:00 am-8:45 am

1 stop17h 45m

Frankfurt am Main

Mon 9/8

7:20 pm-9:48 pm

2 stops34h 28m

$796

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 8/25

12:45 pm-8:40 am

2 stops35h 55m

Frankfurt am Main

Mon 9/8

11:50 am-4:57 pm

2 stops37h 07m

$800

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Sat 8/16

2:32 pm-11:30 am

1 stop12h 58m

Frankfurt am Main

Sat 8/23

10:50 am-10:41 pm

1 stop19h 51m

$801

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 8/25

2:00 pm-2:40 pm

2 stops16h 40m

Frankfurt am Main

Mon 9/8

7:00 am-10:57 pm

3 stops23h 57m

$883

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 10/3

8:42 pm-12:20 pm

1 stop31h 38m

Frankfurt am Main

Fri 10/17

1:45 pm-8:16 pm

1 stop14h 31m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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 July 2, 2025.

When flying from Boise to Heidelberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 July 2, 2025.
Read reviews from past customers who have flown Delta, Finnair, and 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.
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,303 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Scandinavian Airlines
7.3
Good
1,414 reviews
Delta
8.0
Very good
7,975 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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.

  • What is the cheapest month to book a flight from Boise to Heidelberg?

    Currently, January is the cheapest month in which you can book a flight from Boise to Heidelberg (average of $729). Flying from Boise to Heidelberg in June is currently the most expensive (average of $1,090). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$704Average$1,003FlexibilityNo cancel feeOn-time69%

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