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$575+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
May 19 — May 261
Mon 5/19
Mon 5/26
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 May 14, 2025.

Round-trip from

$575
(Condor)

Popular in

May

Cheapest in

October

Average price

$1,483
From Boise Air Term. Gowen Fld to Heidelberg
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($129 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 14, 2025.

This Condor deal was found by Cheapflights users on 5/13. 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.
Tue 10/711:19 amBOI - FRA
1 stop16h 51mMultiple Airlines
Thu 10/231:45 pmFRA - BOI
1 stop17h 13mMultiple Airlines
Deal found 5/13$575
This Justfly.com deal was found by Cheapflights users on 5/12. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:00 amBOI - FRA
2 stops41h 00mAir Canada
Wed 11/125:10 pmFRA - BOI
2 stops36h 06mAir Canada
Deal found 5/12$685
This United Airlines deal was found by Cheapflights users on 5/13. 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 10/67:09 pmBOI - FRA
1 stop36h 06mUnited Airlines
Wed 11/125:10 pmFRA - BOI
2 stops36h 06mUnited Airlines
Deal found 5/13$690
This StudentUniverse deal was found by Cheapflights users on 5/13. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:30 amBOI - FRA
1 stop17h 15mFinnair
Tue 10/2110:45 amFRA - BOI
1 stop18h 27mFinnair
Deal found 5/13$776
This FlightHub deal was found by Cheapflights users on 5/13. 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.
Fri 10/32:42 pmBOI - FRA
1 stop12h 48mLufthansa
Fri 10/171:30 pmFRA - BOI
1 stop16h 02mLufthansa
Deal found 5/13$920
This Gurufare deal was found by Cheapflights users on 5/13. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:29 pmBOI - FRA
1 stop13h 21mCondor
Mon 7/71:45 pmFRA - BOI
1 stop17h 01mCondor
Deal found 5/13$1,100
This Delta deal was found by Cheapflights users on 5/13. 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.
Fri 7/47:30 amBOI - FRA
2 stops18h 20mDelta
Tue 7/811:50 amFRA - BOI
2 stops20h 19mDelta
Deal found 5/13$1,116
This Scandinavian Airlines deal was found by Cheapflights users on 5/13. 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.
Tue 10/73:05 pmBOI - FRA
3 stops22h 55mScandinavian Airlines
Thu 10/237:00 amFRA - BOI
3 stops24h 04mScandinavian Airlines
Deal found 5/13$1,159
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/48:34 pmBOI - FRA
2 stops24h 41mAlaska Airlines
Sat 6/1411:45 amFRA - BOI
2 stops19h 13mAlaska Airlines
Deal found 5/13$1,210
This British Airways deal was found by Cheapflights users on 5/13. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/167:30 amBOI - FRA
2 stops25h 30mBritish Airways
Wed 12/3111:25 amFRA - BOI
2 stops18h 55mBritish Airways
Deal found 5/13$1,217
This Icelandair deal was found by Cheapflights users on 5/13. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/108:41 pmBOI - FRA
2 stops32h 19mIcelandair
Thu 6/192:00 pmFRA - BOI
2 stops40h 46mIcelandair
Deal found 5/13$1,239
This Iberia deal was found by Cheapflights users on 5/13. 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 12/157:23 amBOI - FRA
2 stops27h 27mIberia
Mon 12/2910:15 amFRA - BOI
1 stop19h 05mIberia
Deal found 5/13$1,262

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 May 14, 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

Tue 10/7

11:19 am-12:10 pm

1 stop16h 51m

Frankfurt am Main

Thu 10/23

1:45 pm-10:58 pm

1 stop17h 13m

$575

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 10/6

10:00 am-11:00 am

2 stops41h 00m

Frankfurt am Main

Wed 11/12

5:10 pm-9:16 pm

2 stops36h 06m

$685

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Mon 10/6

7:09 pm-3:15 pm

1 stop36h 06m

Frankfurt am Main

Wed 11/12

5:10 pm-9:16 pm

2 stops36h 06m

$690

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 10/7

3:05 pm-7:45 pm

2 stops20h 40m

Frankfurt am Main

Tue 10/21

8:30 pm-8:16 pm

2 stops31h 46m

$693

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 10/7

7:30 am-8:45 am

1 stop17h 15m

Frankfurt am Main

Tue 10/21

10:45 am-9:12 pm

1 stop18h 27m

$776

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 10/3

2:42 pm-11:30 am

1 stop12h 48m

Frankfurt am Main

Fri 10/17

1:30 pm-9:32 pm

1 stop16h 02m

$920

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 7/4

1:29 pm-10:50 am

1 stop13h 21m

Frankfurt am Main

Mon 7/7

1:45 pm-10:46 pm

1 stop17h 01m

$1,100

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Fri 7/4

7:30 am-9:50 am

2 stops18h 20m

Frankfurt am Main

Tue 7/8

11:50 am-12:09 am

2 stops20h 19m

$1,116

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Wed 6/4

8:34 pm-5:15 am

2 stops24h 41m

Frankfurt am Main

Sat 6/14

11:45 am-10:58 pm

2 stops19h 13m

$1,210

BoiseFrankfurt am Main

BOI - FRA

BOIFRA

Boise Air Term. Gowen Fld

Tue 6/10

8:41 pm-1:00 pm

2 stops32h 19m

Frankfurt am Main

Thu 6/19

2:00 pm-10:46 pm

2 stops40h 46m

$1,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

Showing 1-10 of 15 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

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 May 14, 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.

Rainfall in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Heidelberg ranges from 1.6 - 2.8 inches per month. June is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Heidelberg when rainfall is around 1.6 in.

Temperature in Heidelberg by month

Plan your trip to Heidelberg by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Heidelberg, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 May 14, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,949 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
KLM
7.8
Good
1,342 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Finnair
7.6
Good
1,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,726 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Entertainment

7.1

Crew

8.5

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Boise to Heidelberg one-way?

    For one-way options, check prices for Finnair. According to our data, you can fly for as low as $805. Users have also found prices from $868 and $1,151 on Icelandair and United Airlines, respectively.

  • 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 $1,084). 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.
Spokane to Frankfurt flights
Boise to Frankfurt flights
Spokane to Munich flights
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Jackson to Frankfurt 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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$704Average$1,026FlexibilityNo cancel feeOn-time69%

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