$365+ 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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Jul 30 — Aug 61
Round-trip
1 adult, Economy
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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 30, 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 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/27. 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 8/1010:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Wed 8/2611:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$626
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Thu 10/812:58 pm
BOI
- FRA
1 stop16h 12m
Multiple Airlines
Sun 10/182:15 pm
FRA
- BOI
1 stop17h 43m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$697
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 6/25![Multiple Airlines logo]()
$726
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:14 am
BOI
- FRA
1 stop18h 26m
Multiple Airlines
Sun 10/2512:15 pm
FRA
- BOI
1 stop18h 43m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$733
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:14 am
BOI
- FRA
1 stop18h 26m
Multiple Airlines
Mon 10/262:15 pm
FRA
- BOI
1 stop16h 43m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$752
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:32 pm
BOI
- FRA
2 stops15h 33m
United Airlines
Thu 11/58:40 am
FRA
- BOI
2 stops20h 50m
United Airlines
Deal found 6/29![United Airlines logo]()
$769
This Condor 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:32 pm
BOI
- FRA
1 stop13h 23m
Multiple Airlines
Thu 9/1011:40 am
FRA
- BOI
1 stop18h 47m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$780
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Thu 8/2011:55 am
FRA
- BOI
1 stop20h 00m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$783
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 30, 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 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/25. 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 6/25![Multiple Airlines logo]()
$726
This United Airlines deal was found by Cheapflights users on 6/27. 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 11/312:32 pm
BOI
- FRA
2 stops15h 33m
United Airlines
Thu 11/511:30 am
FRA
- BOI
2 stops30h 08m
United Airlines
Deal found 6/27![United Airlines logo]()
$769
This Delta deal was found by Cheapflights users on 6/27. 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 8/102:53 pm
BOI
- FRA
2 stops15h 27m
Delta
Wed 8/267:00 am
FRA
- BOI
2 stops24h 00m
Delta
Deal found 6/27![Delta logo]()
$922
This United deal was found by Cheapflights users on 6/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:59 pm
BOI
- FRA
2 stops27h 36m
Multiple Airlines
Sat 11/145:10 pm
FRA
- BOI
2 stops37h 56m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$888
This Delta deal was found by Cheapflights users on 6/26. 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.
Tue 8/1111:12 am
BOI
- FRA
2 stops19h 08m
Delta
Thu 8/207:00 am
FRA
- BOI
2 stops24h 53m
Delta
Deal found 6/26![Delta logo]()
$935
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated June 30, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/28. 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.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Thu 8/2011:55 am
FRA
- BOI
1 stop20h 00m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$783
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Mon 8/102:45 pm
FRA
- BOI
1 stop17h 19m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$901
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Thu 8/62:35 pm
FRA
- BOI
1 stop17h 29m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$923
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Sat 8/811:25 am
FRA
- BOI
1 stop20h 23m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$961
This Expedia deal was found by Cheapflights users on 6/28. 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.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Mon 8/311:30 am
FRA
- BOI
1 stop16h 18m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,020
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1210:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Tue 8/42:15 pm
FRA
- BOI
1 stop17h 49m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$1,022
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:06 pm
BOI
- FRA
1 stop16h 04m
Multiple Airlines
Sat 8/811:25 am
FRA
- BOI
1 stop20h 23m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$944
This Expedia deal was found by Cheapflights users on 6/28. 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.
Sun 7/1910:52 am
BOI
- FRA
1 stop17h 48m
Multiple Airlines
Mon 8/102:45 pm
FRA
- BOI
1 stop17h 19m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$899
This Booking.com 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 Booking.com 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 7/242:40 pm
FRA
- BOI
1 stop17h 24m
Multiple Airlines
Deal found 6/29![Multiple Airlines logo]()
$828
This Expedia deal was found by Cheapflights users on 6/28. 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.
Mon 7/2011:42 am
BOI
- FRA
1 stop17h 28m
Multiple Airlines
Mon 8/102:45 pm
FRA
- BOI
1 stop17h 19m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$919
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 30, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This American Airlines deal was found by Cheapflights users on 6/26. 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 10/1412:10 pm
BOI
- FRA
2 stops17h 45m
American Airlines
Deal found 6/26![American Airlines logo]()
$365
This Delta deal was found by Cheapflights users on 6/26. 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 10/116:00 am
BOI
- FRA
2 stops18h 55m
Delta
Deal found 6/26![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 6/27. 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 10/175:59 pm
BOI
- FRA
2 stops30h 41m
Delta
Deal found 6/27![Delta logo]()
$374
This KLM deal was found by Cheapflights users on 6/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:43 pm
BOI
- FRA
1 stop35h 12m
KLM
Deal found 6/26![KLM logo]()
$380
This Justfly.com deal was found by Cheapflights users on 6/26. 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.
Tue 10/1310:30 am
BOI
- FRA
2 stops37h 35m
Air Canada
Deal found 6/26![Air Canada logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Sun 8/3012:24 pm
BOI
- FRA
3 stops37h 51m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 6/26. 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.
Mon 8/318:03 am
BOI
- FRA
3 stops42h 12m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$419
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:24 pm
BOI
- FRA
2 stops18h 56m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 6/26. 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.
Thu 10/155:40 am
BOI
- FRA
2 stops20h 10m
Delta
Deal found 6/26![Delta logo]()
$428
This KAYAK deal was found by Cheapflights users on 6/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:50 pm
BOI
- FRA
1 stop31h 35m
Lufthansa
Deal found 6/26![Lufthansa logo]()
$446
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 30, 2026.
Round-trip from | $626 (Cheapflightsfares) |
|---|---|
One-way from | $365 (American Airlines) |
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 30, 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
Quickest round-trip
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 8/14
10:52 am-12:40 pm
1 stop17h 48m
Frankfurt am Main
Wed 8/26
11:40 am-10:27 pm
1 stop18h 47m
$726
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Tue 11/3
12:32 pm-12:05 pm
2 stops15h 33m
Frankfurt am Main
Thu 11/5
11:30 am-9:38 am
2 stops30h 08m
$769
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sat 11/7
6:59 pm-6:35 am
2 stops27h 36m
Frankfurt am Main
Sat 11/14
5:10 pm-11:06 pm
2 stops37h 56m
$888
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 8/10
2:53 pm-2:20 pm
2 stops15h 27m
Frankfurt am Main
Wed 8/26
7:00 am-11:00 pm
2 stops24h 00m
$922
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Tue 8/11
11:12 am-2:20 pm
2 stops19h 08m
Frankfurt am Main
Thu 8/20
7:00 am-11:53 pm
2 stops24h 53m
$935
Cheapest one-way
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 10/12
5:40 am-8:55 am
2 stops19h 15m
$368
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sun 10/11
7:00 am-9:50 am
2 stops18h 50m
$368
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sat 10/17
1:43 pm-8:55 am
1 stop35h 12m
$380
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sat 10/17
1:33 pm-8:55 am
1 stop35h 22m
$380
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Thu 10/15
3:24 pm-6:20 pm
2 stops18h 56m
$426
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.
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 30, 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
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Boarding
7.7
Entertainment
7.1
Crew
8.1
Food
6.6
Overall
7.4
Comfort
7.3
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
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.
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Boise and Heidelberg flights
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Boise to Heidelberg flights
Consider these flights traveling from Boise to Heidelberg.
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 June 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$786 | FlexibilityNo cancel fee | On-time69% |