$522+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Sep 18 — Sep 251
Round-trip
1 adult, Economy
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Best
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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 August 19, 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 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Tue 9/292:16 pm -
1 stop14h 54m
Tue 10/62:15 pm -
1 stop15h 51m
Deal found 8/15![Multiple Airlines logo]()
$802
This United Airlines deal was found by Cheapflights users on 8/18. 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 12/98:40 am -
2 stops19h 25m
Tue 12/221:30 pm -
1 stop18h 14m
Deal found 8/18![United Airlines logo]()
$835
This Condor deal was found by Cheapflights users on 8/13. 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.
Thu 10/292:06 pm -
1 stop15h 54m
Mon 11/92:15 pm -
1 stop16h 05m
Deal found 8/13![Multiple Airlines logo]()
$837
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 12/912:13 pm -
2 stops20h 32m
Tue 12/227:05 am -
2 stops24h 59m
Deal found 8/18![Delta logo]()
$847
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/122:16 pm -
1 stop15h 04m
Tue 9/222:15 pm -
1 stop14h 20m
Deal found 8/15![Multiple Airlines logo]()
$884
This Condor deal was found by Cheapflights users on 8/17. 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.
Mon 8/3110:14 am -
1 stop18h 26m
Thu 9/32:35 pm -
1 stop17h 09m
Deal found 8/17![Multiple Airlines logo]()
$896
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/308:08 am -
1 stop14h 22m
Wed 10/75:05 pm -
2 stops48h 29m
Deal found 8/16![United Airlines logo]()
$900
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Tue 9/296:25 am -
2 stops16h 45m
Tue 10/610:15 am -
2 stops19h 20m
Deal found 8/15![Air Canada logo]()
$909
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/298:15 am -
1 stop23h 00m
Tue 10/612:40 pm -
2 stops19h 19m
Deal found 8/15![United Airlines logo]()
$912
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 19, 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 19, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 2/16:55 pm -
2 stops32h 00m
Thu 2/410:10 am -
1 stop21h 49m
Deal found 8/13![United Airlines logo]()
$776
This Condor deal was found by Cheapflights users on 8/13. 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.
Thu 10/292:06 pm -
1 stop15h 54m
Mon 11/92:15 pm -
1 stop16h 05m
Deal found 8/13![Multiple Airlines logo]()
$837
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated August 19, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Tue 8/1811:42 am -
1 stop17h 28m
Thu 8/202:35 pm -
1 stop15h 58m
Deal found 8/14![Multiple Airlines logo]()
$919
This FlightHub deal was found by Cheapflights users on 8/14. 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.
Sat 8/221:32 pm -
1 stop12h 58m
Sat 9/511:25 am -
1 stop13h 50m
Deal found 8/14![Multiple Airlines logo]()
$986
This Condor deal was found by Cheapflights users on 8/17. 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.
Mon 8/3110:14 am -
1 stop18h 26m
Thu 9/32:35 pm -
1 stop17h 09m
Deal found 8/17![Multiple Airlines logo]()
$896
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Sat 9/122:16 pm -
1 stop15h 04m
Tue 9/222:15 pm -
1 stop14h 20m
Deal found 8/15![Multiple Airlines logo]()
$884
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/125:40 pm -
2 stops28h 50m
Tue 9/225:05 pm -
2 stops36h 40m
Deal found 8/15![United Airlines logo]()
$993
This Cheapflightsfares deal was found by Cheapflights users on 8/15. 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.
Tue 9/292:16 pm -
1 stop14h 54m
Tue 10/62:15 pm -
1 stop15h 51m
Deal found 8/15![Multiple Airlines logo]()
$802
This Mytrip deal was found by Cheapflights users on 8/15. 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.
Tue 9/296:25 am -
2 stops16h 45m
Tue 10/610:15 am -
2 stops19h 20m
Deal found 8/15![Air Canada logo]()
$909
This United Airlines deal was found by Cheapflights users on 8/15. 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 9/298:15 am -
1 stop23h 00m
Tue 10/612:40 pm -
2 stops19h 19m
Deal found 8/15![United Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/308:08 am -
1 stop14h 22m
Wed 10/75:05 pm -
2 stops48h 29m
Deal found 8/16![United Airlines logo]()
$900
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 19, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Booking.com deal was found by Cheapflights users on 8/18. 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 12/167:00 am -
2 stops15h 40m
Deal found 8/18![Air Canada logo]()
$522
This FlightHub deal was found by Cheapflights users on 8/16. 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.
Wed 8/2610:14 am -
1 stop18h 26m
Deal found 8/16![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Tue 8/257:20 am -
3 stops39h 05m
Deal found 8/16![Multiple Airlines logo]()
$600
This TravelUp deal was found by Cheapflights users on 8/16. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:24 pm -
2 stops15h 41m
Deal found 8/16![Lufthansa logo]()
$629
This United Airlines deal was found by Cheapflights users on 8/16. 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 8/255:44 pm -
2 stops16h 21m
Deal found 8/16![United Airlines logo]()
$632
This Lufthansa deal was found by Cheapflights users on 8/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:24 pm -
1 stop17h 41m
Deal found 8/16![Lufthansa logo]()
$635
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Wed 8/265:00 am -
3 stops19h 00m
Deal found 8/16![Air Canada logo]()
$644
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 12/166:00 am -
3 stops26h 55m
Deal found 8/18![Multiple Airlines logo]()
$681
This TravelUp deal was found by Cheapflights users on 8/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/169:40 am -
1 stop15h 40m
Deal found 8/18![Lufthansa logo]()
$730
This Cheapflightsfares deal was found by Cheapflights users on 8/17. 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 10/1610:06 am -
2 stops27h 39m
Deal found 8/17![British Airways logo]()
$6,852
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 August 19, 2026.
Round-trip from | $776 (United Airlines) |
|---|---|
One-way from | $522 (Booking.com) |
Popular in | June |
Cheapest in | January |
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 August 19, 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
Mon 2/1
6:55 pm-10:55 am
2 stops32h 00m
Frankfurt am Main
Thu 2/4
10:10 am-11:59 pm
1 stop21h 49m
$776
Quickest round-trip
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Thu 10/29
2:06 pm-1:00 pm
1 stop15h 54m
Frankfurt am Main
Mon 11/9
2:15 pm-10:20 pm
1 stop16h 05m
$837
Cheapest one-way
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Wed 12/16
7:00 am-6:40 am
2 stops15h 40m
$522
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Wed 8/26
10:14 am-12:40 pm
1 stop18h 26m
$550
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 8/25
5:44 pm-6:05 pm
2 stops16h 21m
$632
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 8/25
12:24 pm-2:05 pm
1 stop17h 41m
$635
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Fri 10/16
6:04 pm-9:45 pm
2 stops19h 41m
$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
$14,172
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
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 August 19, 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.
Food
6.7
Crew
8.1
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
Reviews
1 / 20
6.0
GoodHanan,Aug 2023
IAH - FRA
Food
6.7
Crew
8.1
Entertainment
7.1
Boarding
7.7
Comfort
7.3
Overall
7.4
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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Alternative routes for Boise to Heidelberg
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Complete your trip
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Boise and Heidelberg flights
Browse other Boise and Heidelberg flight options. Last updated on August 19, 2026.
Other flights from Boise
Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on August 19, 2026.
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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 August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$606 | Average$963 | FlexibilityNo cancel fee | On-time69% |