How long is the flight from Boise to Heidelberg?

There are many flights that can get you from Boise to Heidelberg in 16h 55m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5162 mi.

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.

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).

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

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.

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.

$829+ Cheap Flights from Boise to Heidelberg

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Cheap flight deals from Boise to Heidelberg

Cheapest

Best

Last-minute

One-way

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 August 26, 2026.

Thu 10/292:06 pm -

1 stop15h 54m

Mon 11/92:15 pm -

1 stop16h 05m

Deal found 8/22

$838

Wed 11/112:51 pm -

2 stops35h 14m

Tue 11/174:40 pm -

2 stops38h 11m

Deal found 8/24

$851

Wed 11/117:00 am -

1 stop16h 15m

Tue 11/1710:15 am -

1 stop20h 27m

Deal found 8/24

$857

Sun 10/187:00 am -

1 stop17h 45m

Mon 11/27:25 pm -

2 stops35h 17m

Deal found 8/25

$877

Sun 10/186:50 pm -

2 stops28h 20m

Mon 11/210:15 pm -

2 stops32h 44m

Deal found 8/25

$879

Wed 10/283:24 pm -

2 stops18h 16m

Tue 11/310:15 am -

1 stop20h 27m

Deal found 8/24

$884

Wed 10/287:00 am -

1 stop17h 15m

Tue 11/310:15 am -

1 stop20h 27m

Deal found 8/24

$887

Sun 10/182:06 pm -

1 stop14h 39m

Mon 11/22:15 pm -

1 stop13h 47m

Deal found 8/25

$894

Last-minute flights from Boise to Heidelberg
Discover last-minute flight deals from Boise to Heidelberg. Data last updated August 26, 2026 and is based on user searches.

Fri 8/282:17 pm -

1 stop14h 43m

Sat 9/511:40 am -

1 stop18h 47m

Deal found 8/23

$1,210

Fri 8/282:44 pm -

1 stop12h 31m

Sat 9/58:15 am -

2 stops17h 43m

Deal found 8/23

$1,230

Fri 9/1110:31 am -

2 stops59h 29m

Sun 9/2010:15 am -

2 stops37h 16m

Deal found 8/25

$1,190

Sat 9/121:15 pm -

1 stop16h 05m

Tue 9/222:15 pm -

1 stop14h 20m

Deal found 8/24

$1,026

Sat 9/125:40 pm -

2 stops31h 30m

Tue 9/225:05 pm -

2 stops32h 53m

Deal found 8/24

$1,133

Sat 9/1212:30 pm -

1 stop34h 00m

Tue 9/221:15 pm -

2 stops17h 48m

Deal found 8/24

$1,199

Sun 9/132:16 pm -

1 stop14h 29m

Sun 9/202:15 pm -

1 stop17h 29m

Deal found 8/23

$1,128

Sun 9/136:15 am -

1 stop19h 30m

Sun 9/209:25 am -

2 stops20h 06m

Deal found 8/23

$1,201

Tue 9/225:00 am -

1 stop20h 20m

Sun 9/279:25 am -

2 stops22h 34m

Deal found 8/23

$1,004

Tue 9/2210:14 am -

1 stop18h 26m

Sun 9/272:15 pm -

1 stop16h 23m

Deal found 8/23

$1,222

Find flight deals from Boise to Heidelberg

Round-trip from	$829 (United Airlines)
Popular in	June
Cheapest in	January

From Boise Air Term. Gowen Fld to Heidelberg

Search Deals

Highest demand for flights based on searches. 26% potential increase in price ($397 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($88 potential savings vs. average RT price).

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseFrankfurt am Main

BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main

BOIFRA

Boise Air Term. Gowen Fld

Mon 2/1

8:40 am-9:35 am

1 stop16h 55m

Frankfurt am Main

Fri 2/5

10:05 am-5:55 pm

2 stops39h 50m

$829

Quickest round-trip

BoiseFrankfurt am Main

BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main

BOIFRA

Boise Air Term. Gowen Fld

Sun 10/4

12:26 pm-9:55 am

1 stop13h 29m

Frankfurt am Main

Wed 10/21

12:40 pm-11:59 pm

2 stops19h 19m

$914

Cheapest one-way

BoiseFrankfurt am Main

BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main

BOIFRA

Boise Air Term. Gowen Fld

Thu 10/15

8:15 am-11:00 am

2 stops18h 45m

$1,134

BoiseFrankfurt am Main

BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main

BOIFRA

Boise Air Term. Gowen Fld

Fri 10/16

10:06 am-9:45 pm

2 stops27h 39m

$6,852

Quickest one-way

BoiseFrankfurt am Main

BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main

BOIFRA

Boise Air Term. Gowen Fld

Fri 10/16

8:08 am-7:25 am

1 stop15h 17m

$14,785

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

Sorted by cheapest first

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.

BOI-FRA

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

BOI-HE1

BOI-FRA

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Heidelberg

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

10,122 reviews

Reviews

1 / 20

6.0

Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

United Airlines

7.4

Good

10,122 reviews

United Airlines

7.4

Good

10,122 reviews

Reviews

1 / 20

6.0

Good

Hanan,Aug 2023

IAH - FRA

Too much turbulence, I know it’s not the airline’s fault, but it made the flight not comfortable

Related info for your journey

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 16h 55m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5162 mi.
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.

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Top airline flying from Boise to Heidelberg

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$606	Average$963	FlexibilityNo cancel fee	On-time69%

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$829+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boise to Heidelberg with Cheapflights

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Cheap flight deals from Boise to Heidelberg

Cheapest flights from Boise to HeidelbergExplore 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 August 26, 2026.

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 August 26, 2026.

Best flights from Boise to HeidelbergDiscover carefully curated flight deals from Boise to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Discover carefully curated flight deals from Boise to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated August 26, 2026 and is based on user searches.

Discover last-minute flight deals from Boise to Heidelberg. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Boise to HeidelbergSearch for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.

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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.

Cheapflights Insights

Reviews of airlines servicing Heidelberg

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.

Related info for your journey

What airport do you fly from for flights from Boise to Heidelberg?

How long is the flight from Boise to Heidelberg?

Can I find deals for flights from Boise to Heidelberg that include hotel bookings?

How can I find direct flights from Boise to Heidelberg?

Can I find deals for business class flights from Boise to Heidelberg?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boise to Heidelberg

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Complete your trip

Complete your trip to Heidelberg by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Boise to Heidelberg by cabin class

Find flights from Boise to Heidelberg, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Boise and Heidelberg flights

Browse other Boise and Heidelberg flight options. Last updated on August 26, 2026.

Other flights from Boise

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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 August 26, 2026.

Best flights from Boise to Heidelberg
Discover carefully curated flight deals from Boise to Heidelberg that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.

Last-minute flights from Boise to Heidelberg
Discover last-minute flight deals from Boise to Heidelberg. Data last updated August 26, 2026 and is based on user searches.

One-way flights from Boise to Heidelberg
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.