$426+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Jul 24 — Jul 311
Round-trip
1 adult, Economy
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Best
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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 June 24, 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 June 24, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:28 pm
BOI
- FRA
2 stops29h 12m
Virgin Atlantic
Fri 8/1410:40 am
FRA
- BOI
1 stop19h 17m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$503
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:19 pm
BOI
- FRA
2 stops29h 21m
Virgin Atlantic
Mon 9/2111:50 am
FRA
- BOI
2 stops20h 09m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$542
This Cheapflightsfares deal was found by Cheapflights users on 6/22. 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 8/1410:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Wed 8/2611:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$806
This Orbitz deal was found by Cheapflights users on 6/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/302:17 pm
BOI
- FRA
1 stop14h 28m
Multiple Airlines
Sat 9/511:25 am
FRA
- BOI
1 stop20h 30m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$827
This Booking.com deal was found by Cheapflights users on 6/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Fri 8/142:40 pm
FRA
- BOI
1 stop17h 24m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$838
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:14 am
BOI
- FRA
1 stop18h 26m
Multiple Airlines
Mon 9/2111:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$848
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Tue 8/112:15 pm
FRA
- BOI
1 stop17h 49m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$890
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Sun 8/3011:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$921
This Expedia deal was found by Cheapflights users on 6/22. 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 7/2011:42 am
BOI
- FRA
1 stop17h 28m
Multiple Airlines
Fri 8/72:40 pm
FRA
- BOI
1 stop17h 24m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$934
This Expedia deal was found by Cheapflights users on 6/20. 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.
Fri 7/1710:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Fri 8/282:40 pm
FRA
- BOI
1 stop15h 53m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$935
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 June 24, 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 June 24, 2026.
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:28 pm
BOI
- FRA
2 stops29h 12m
Virgin Atlantic
Fri 8/1410:40 am
FRA
- BOI
1 stop19h 17m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$503
This Expedia deal was found by Cheapflights users on 6/20. 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.
Fri 7/1710:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Fri 8/282:40 pm
FRA
- BOI
1 stop15h 53m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$935
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 8/312:15 pm
BOI
- FRA
2 stops18h 45m
American Airlines
Fri 8/149:20 am
FRA
- BOI
2 stops21h 20m
American Airlines
Deal found 6/20![American Airlines logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 8/145:44 pm
BOI
- FRA
2 stops16h 21m
United Airlines
Wed 8/2610:25 am
FRA
- BOI
1 stop16h 59m
United Airlines
Deal found 6/19![United Airlines logo]()
$1,008
This Scandinavian Airlines deal was found by Cheapflights users on 6/22. 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.
Sun 8/3012:23 pm
BOI
- FRA
2 stops23h 22m
Scandinavian Airlines
Sat 9/57:00 am
FRA
- BOI
3 stops19h 48m
Scandinavian Airlines
Deal found 6/22![Scandinavian Airlines logo]()
$1,079
This Virgin Atlantic deal was found by Cheapflights users on 6/23. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:19 pm
BOI
- FRA
2 stops29h 21m
Virgin Atlantic
Mon 9/2110:40 am
FRA
- BOI
1 stop19h 20m
Virgin Atlantic
Deal found 6/23![Virgin Atlantic logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 7/176:23 am
BOI
- FRA
2 stops22h 37m
Alaska Airlines
Mon 8/3111:30 am
FRA
- BOI
2 stops19h 03m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$1,105
This Condor deal was found by Cheapflights users on 6/20. 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 7/1710:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Mon 8/3111:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$958
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 7/206:21 am
BOI
- FRA
2 stops16h 59m
American Airlines
Fri 8/710:55 am
FRA
- BOI
1 stop19h 16m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,022
This Travelocity deal was found by Cheapflights users on 6/21. 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.
Fri 8/282:17 pm
BOI
- FRA
1 stop14h 43m
Multiple Airlines
Sun 9/1311:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$1,007
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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.
Thu 7/165:57 am
BOI
- FRA
1 stop20h 58m
Alaska Airlines
Sun 8/3011:45 am
FRA
- BOI
2 stops29h 24m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$1,126
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 7/176:23 am
BOI
- FRA
2 stops22h 37m
Alaska Airlines
Fri 8/2811:40 am
FRA
- BOI
2 stops19h 20m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$1,141
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated June 24, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Thu 7/232:35 pm
FRA
- BOI
1 stop17h 29m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$890
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1410:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Fri 7/312:40 pm
FRA
- BOI
1 stop17h 24m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$1,047
This Booking.com deal was found by Cheapflights users on 6/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Sun 8/3011:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$921
This Expedia deal was found by Cheapflights users on 6/20. 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.
Fri 7/1710:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Fri 8/282:40 pm
FRA
- BOI
1 stop15h 53m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$935
This Condor deal was found by Cheapflights users on 6/20. 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 7/1710:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Mon 8/3111:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$958
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 7/178:03 am
BOI
- FRA
1 stop20h 57m
Alaska Airlines
Mon 8/3111:30 am
FRA
- BOI
2 stops29h 39m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$1,062
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 7/178:03 am
BOI
- FRA
1 stop20h 57m
Alaska Airlines
Fri 8/2811:45 am
FRA
- BOI
2 stops29h 24m
Alaska Airlines
Deal found 6/20![Alaska Airlines logo]()
$1,099
This Expedia deal was found by Cheapflights users on 6/22. 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 7/2011:42 am
BOI
- FRA
1 stop17h 28m
Multiple Airlines
Fri 8/72:40 pm
FRA
- BOI
1 stop17h 24m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$934
This American Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 7/206:21 am
BOI
- FRA
2 stops16h 59m
American Airlines
Fri 8/710:55 am
FRA
- BOI
1 stop19h 16m
American Airlines
Deal found 6/22![American Airlines logo]()
$1,022
This Expedia deal was found by Cheapflights users on 6/22. 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 7/202:50 pm
BOI
- FRA
2 stops14h 45m
KLM
Fri 8/711:45 am
FRA
- BOI
2 stops18h 45m
KLM
Deal found 6/22![KLM logo]()
$1,048
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Tue 7/216:21 am
BOI
- FRA
1 stop18h 24m
American Airlines
Tue 7/2810:55 am
FRA
- BOI
1 stop20h 26m
American Airlines
Deal found 6/23![American Airlines logo]()
$1,032
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 June 24, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This British Airways deal was found by Cheapflights users on 6/23. 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.
Thu 10/152:57 pm
BOI
- FRA
2 stops19h 23m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$426
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Thu 10/156:44 am
BOI
- FRA
1 stop18h 01m
American Airlines
Deal found 6/24![American Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Thu 10/152:44 pm
BOI
- FRA
2 stops19h 21m
United Airlines
Deal found 6/22![United Airlines logo]()
$450
This Air Canada deal was found by Cheapflights users on 6/20. 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.
Thu 10/155:00 am
BOI
- FRA
3 stops19h 00m
Air Canada
Deal found 6/20![Air Canada logo]()
$608
This Cheapflightsfares deal was found by Cheapflights users on 6/24. 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 10/164:17 pm
BOI
- FRA
2 stops21h 28m
British Airways
Deal found 6/24![British Airways logo]()
$6,880
This Cheapflightsfares deal was found by Cheapflights users on 6/23. 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
BOI
- FRA
1 stop15h 17m
Lufthansa
Deal found 6/23![Lufthansa logo]()
$15,149
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 June 24, 2026.
Round-trip from | $503 (Virgin Atlantic) |
|---|---|
One-way from | $426 (British Airways) |
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 June 24, 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 - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 8/3
7:28 pm-8:40 am
2 stops29h 12m
Frankfurt am Main
Fri 8/14
10:40 am-9:57 pm
1 stop19h 17m
$503
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sun 9/13
7:19 pm-8:40 am
2 stops29h 21m
Frankfurt am Main
Mon 9/21
10:40 am-10:00 pm
1 stop19h 20m
$542
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 7/17
10:52 am-12:40 pm
1 stop17h 48m
Frankfurt am Main
Fri 8/28
2:40 pm-10:33 pm
1 stop15h 53m
$935
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 7/17
10:52 am-12:40 pm
1 stop17h 48m
Frankfurt am Main
Mon 8/31
11:40 am-10:27 pm
1 stop18h 47m
$958
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 8/3
12:15 pm-3:00 pm
2 stops18h 45m
Frankfurt am Main
Fri 8/14
9:20 am-10:40 pm
2 stops21h 20m
$1,001
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 8/28
2:17 pm-1:00 pm
1 stop14h 43m
Frankfurt am Main
Sun 9/13
11:40 am-10:27 pm
1 stop18h 47m
$1,007
Quickest round-trip
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 8/14
5:44 pm-6:05 pm
2 stops16h 21m
Frankfurt am Main
Wed 8/26
10:25 am-7:24 pm
1 stop16h 59m
$1,008
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 7/20
6:21 am-7:20 am
2 stops16h 59m
Frankfurt am Main
Fri 8/7
10:55 am-10:11 pm
1 stop19h 16m
$1,022
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sun 8/30
12:23 pm-7:45 pm
2 stops23h 22m
Frankfurt am Main
Sat 9/5
7:00 am-6:48 pm
3 stops19h 48m
$1,079
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 7/17
6:23 am-1:00 pm
2 stops22h 37m
Frankfurt am Main
Mon 8/31
11:30 am-10:33 pm
2 stops19h 03m
$1,105
Showing 1-10 of 16 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.
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 June 24, 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.
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
Boarding
7.7
Food
6.6
Crew
8.1
Overall
7.4
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
6.0
GoodROHIT,Jun 2026
IND - EWR
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$786 | FlexibilityNo cancel fee | On-time69% |