$328+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Oct 2 — Oct 91
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Heidelberg with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Heidelberg
Cheapest
Best
Last-minute
One-way
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 September 2, 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 September 2, 2026.
This Air Canada deal was found by Cheapflights users on 8/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:48 pm -
2 stops33h 22m
Tue 12/1510:40 am -
2 stops43h 03m
Deal found 8/29![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:15 am -
2 stops38h 25m
Tue 12/1510:40 am -
2 stops43h 03m
Deal found 8/29![Air Canada logo]()
$824
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:20 am -
2 stops21h 45m
Tue 12/158:15 am -
2 stops21h 19m
Deal found 8/29![United Airlines logo]()
$834
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/296:20 am -
2 stops21h 45m
Wed 12/161:30 pm -
1 stop16h 04m
Deal found 8/29![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/308:15 am -
1 stop17h 40m
Tue 12/158:15 am -
2 stops21h 19m
Deal found 8/29![United Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 8/29. 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.
Mon 11/3010:37 am -
2 stops19h 43m
Tue 12/152:15 pm -
2 stops35h 01m
Deal found 8/29![Delta logo]()
$841
This Delta deal was found by Cheapflights users on 8/29. 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.
Mon 11/3010:37 am -
2 stops22h 08m
Wed 12/166:50 am -
2 stops24h 08m
Deal found 8/29![Delta logo]()
$842
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:35 pm -
1 stop31h 45m
Tue 12/158:15 am -
2 stops21h 19m
Deal found 8/29![United Airlines logo]()
$843
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/94:24 pm -
1 stop14h 31m
Tue 12/225:25 pm -
1 stop36h 11m
Deal found 8/29![United Airlines logo]()
$845
This Delta deal was found by Cheapflights users on 8/29. 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.
Sun 11/2912:13 pm -
2 stops18h 07m
Thu 12/177:05 am -
2 stops19h 32m
Deal found 8/29![Delta logo]()
$849
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Wed 11/112:51 pm -
2 stops17h 14m
Tue 11/174:40 pm -
2 stops38h 11m
Deal found 8/30![United Airlines logo]()
$851
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 September 2, 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/28:15 am -
1 stop14h 20m
Fri 2/510:05 am -
2 stops35h 25m
Deal found 9/1![United Airlines logo]()
$828
This Delta deal was found by Cheapflights users on 8/31. 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.
Sun 11/2912:13 pm -
2 stops18h 07m
Sun 12/137:05 am -
2 stops23h 19m
Deal found 8/31![Delta logo]()
$898
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 1/105:26 pm -
1 stop31h 54m
Wed 1/205:10 pm -
2 stops28h 20m
Deal found 8/30![United Airlines logo]()
$835
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:15 am -
2 stops19h 50m
Wed 12/161:30 pm -
1 stop16h 04m
Deal found 8/29![United Airlines logo]()
$836
This United Airlines deal was found by Cheapflights users on 8/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:24 pm -
1 stop14h 31m
Tue 12/151:30 pm -
1 stop16h 04m
Deal found 8/29![United Airlines logo]()
$839
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated September 2, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/282:44 pm -
2 stops19h 21m
Mon 10/54:30 pm -
2 stops39h 29m
Deal found 8/31![United Airlines logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/46:25 am -
1 stop18h 55m
Tue 10/2010:25 am -
1 stop21h 34m
Deal found 8/28![United Airlines logo]()
$1,006
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Tue 10/62:44 pm -
2 stops19h 21m
Tue 10/208:50 am -
1 stop22h 08m
Deal found 8/28![United Airlines logo]()
$1,002
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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.
Wed 10/72:06 pm -
1 stop14h 39m
Wed 10/212:15 pm -
1 stop17h 44m
Deal found 8/28![Multiple Airlines logo]()
$891
This American Airlines deal was found by Cheapflights users on 8/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:24 pm -
2 stops19h 16m
Wed 10/2110:55 am -
2 stops19h 55m
Deal found 8/28![American Airlines logo]()
$1,007
This Delta deal was found by Cheapflights users on 8/28. 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.
Sat 10/101:40 pm -
1 stop35h 15m
Thu 10/227:00 am -
2 stops18h 14m
Deal found 8/28![Delta logo]()
$1,010
This Cheapflightsfares deal was found by Cheapflights users on 8/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:06 pm -
1 stop14h 39m
Wed 10/212:15 pm -
1 stop17h 44m
Deal found 8/30![Multiple Airlines logo]()
$951
This Mytrip deal was found by Cheapflights users on 8/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am -
2 stops19h 05m
Wed 10/2110:15 am -
2 stops21h 44m
Deal found 8/30![Air Canada logo]()
$996
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:06 pm -
1 stop15h 04m
Mon 10/262:15 pm -
1 stop14h 51m
Deal found 9/1![Multiple Airlines logo]()
$853
This Expedia deal was found by Cheapflights users on 9/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/197:00 am -
1 stop17h 45m
Mon 10/267:25 pm -
2 stops34h 09m
Deal found 9/1![Finnair logo]()
$1,009
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 September 2, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This Travelocity deal was found by Cheapflights users on 8/31. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:24 pm -
2 stops31h 46m
Deal found 8/31![Air Canada logo]()
$328
This United Airlines deal was found by Cheapflights users on 8/31. 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.
Tue 12/16:10 am -
1 stop19h 45m
Deal found 8/31![United Airlines logo]()
$340
This Expedia deal was found by Cheapflights users on 8/28. 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.
Thu 11/127:00 am -
1 stop16h 15m
Deal found 8/28![Iberia logo]()
$498
This Expedia deal was found by Cheapflights users on 8/31. 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.
Tue 12/152:48 pm -
1 stop12h 07m
Deal found 8/31![Lufthansa logo]()
$503
This Expedia deal was found by Cheapflights users on 8/28. 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.
Thu 11/1212:31 pm -
2 stops22h 29m
Deal found 8/28![Lufthansa logo]()
$505
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Thu 11/1212:49 pm -
3 stops59h 51m
Deal found 8/28![Multiple Airlines logo]()
$513
This Air Canada deal was found by Cheapflights users on 8/31. 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.
Tue 12/156:15 am -
3 stops20h 55m
Deal found 8/31![Air Canada logo]()
$527
This Cheapflightsfares deal was found by Cheapflights users on 9/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:04 pm -
2 stops19h 41m
Deal found 9/1![British Airways logo]()
$6,850
This Cheapflightsfares deal was found by Cheapflights users on 8/28. 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.
Fri 10/168:08 am -
1 stop15h 17m
Deal found 8/28![Lufthansa logo]()
$14,823
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 September 2, 2026.
Round-trip from | $816 (Air Canada) |
|---|---|
One-way from | $328 (Travelocity) |
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 7,457,451 searches. Data last updated September 2, 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
Cheapest round-trip
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 2/2
8:15 am-6:35 am
1 stop14h 20m
Frankfurt am Main
Fri 2/5
10:05 am-1:30 pm
2 stops35h 25m
$828
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Sun 1/10
5:26 pm-9:20 am
1 stop31h 54m
Frankfurt am Main
Wed 1/20
5:10 pm-1:30 pm
2 stops28h 20m
$835
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Wed 12/2
8:15 am-12:05 pm
2 stops19h 50m
Frankfurt am Main
Wed 12/16
1:30 pm-9:34 pm
1 stop16h 04m
$836
Quickest round-trip
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 12/1
4:24 pm-2:55 pm
1 stop14h 31m
Frankfurt am Main
Tue 12/15
1:30 pm-9:34 pm
1 stop16h 04m
$839
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Sun 11/29
12:13 pm-2:20 pm
2 stops18h 07m
Frankfurt am Main
Sun 12/13
7:05 am-10:24 pm
2 stops23h 19m
$898
Cheapest one-way
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 12/1
4:24 pm-8:10 am
2 stops31h 46m
$328
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 12/1
6:10 am-9:55 am
1 stop19h 45m
$340
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Thu 11/12
7:00 am-7:15 am
1 stop16h 15m
$498
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Thu 11/12
12:49 pm-8:40 am
3 stops59h 51m
$513
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 12/15
6:15 am-11:10 am
3 stops20h 55m
$527
Showing 1-10 of 12 resultsSorted 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.
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Boise
Popular flights
Top destinations