$677+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Heidelberg with Cheapflights
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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 15, 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 15, 2026.
This Flysmarter deal was found by Cheapflights users on 9/12. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
1 stop16h 15m
Tue 11/1710:15 am -
1 stop20h 27m
Deal found 9/12![Iberia logo]()
$677
This Finnair deal was found by Cheapflights users on 9/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
2 stops27h 40m
Tue 11/177:25 pm -
2 stops35h 17m
Deal found 9/12![Multiple Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
1 stop14h 04m
Fri 11/610:05 am -
2 stops33h 26m
Deal found 9/14![United Airlines logo]()
$723
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:31 pm -
2 stops15h 39m
Wed 11/45:10 pm -
2 stops36h 22m
Deal found 9/13![Air Canada logo]()
$734
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:41 pm -
2 stops19h 29m
Sun 1/3110:15 am -
1 stop17h 44m
Deal found 9/14![American Airlines logo]()
$736
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:24 pm -
2 stops20h 31m
Wed 11/410:15 am -
1 stop20h 27m
Deal found 9/13![American Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/285:00 am -
1 stop21h 20m
Wed 11/41:30 pm -
1 stop15h 45m
Deal found 9/13![United Airlines logo]()
$741
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:59 am -
2 stops18h 16m
Fri 11/610:50 am -
2 stops19h 52m
Deal found 9/14![Multiple Airlines logo]()
$749
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
3 stops18h 40m
Wed 11/410:05 am -
2 stops19h 27m
Deal found 9/13![Multiple Airlines logo]()
$762
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:16 pm -
1 stop14h 54m
Thu 10/222:35 pm -
1 stop17h 24m
Deal found 9/13![Multiple Airlines logo]()
$774
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 15, 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 15, 2026.
This Finnair deal was found by Cheapflights users on 9/12. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:00 am -
2 stops27h 40m
Tue 11/177:25 pm -
2 stops35h 17m
Deal found 9/12![Multiple Airlines logo]()
$686
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/167:00 am -
1 stop18h 20m
Tue 2/238:40 am -
1 stop22h 36m
Deal found 9/14![United Airlines logo]()
$693
This Finnair deal was found by Cheapflights users on 9/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 am -
1 stop17h 45m
Mon 10/127:20 pm -
2 stops35h 09m
Deal found 9/10![Finnair logo]()
$794
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
1 stop14h 04m
Fri 11/610:05 am -
2 stops33h 26m
Deal found 9/14![United Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:00 pm -
1 stop18h 55m
Sun 1/311:30 pm -
1 stop15h 50m
Deal found 9/14![United Airlines logo]()
$738
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/56:32 am -
1 stop24h 43m
Mon 10/125:15 pm -
2 stops37h 18m
Deal found 9/13![United Airlines logo]()
$818
This United Airlines deal was found by Cheapflights users on 9/10. 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 2/210:42 am -
2 stops41h 23m
Fri 2/510:05 am -
2 stops43h 30m
Deal found 9/10![United Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 9/12. 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 2/112:36 pm -
1 stop12h 59m
Fri 2/510:05 am -
2 stops35h 25m
Deal found 9/12![United Airlines logo]()
$829
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated September 15, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 9/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:16 pm -
1 stop14h 54m
Thu 10/222:35 pm -
1 stop17h 24m
Deal found 9/13![Multiple Airlines logo]()
$774
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/712:26 pm -
1 stop13h 29m
Wed 10/145:05 pm -
2 stops48h 29m
Deal found 9/11![United Airlines logo]()
$779
This Gotogate deal was found by Cheapflights users on 9/13. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:31 pm -
2 stops15h 39m
Wed 11/45:10 pm -
2 stops36h 22m
Deal found 9/13![Air Canada logo]()
$734
This American Airlines deal was found by Cheapflights users on 9/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:24 pm -
2 stops20h 31m
Wed 11/410:15 am -
1 stop20h 27m
Deal found 9/13![American Airlines logo]()
$739
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Wed 10/285:00 am -
1 stop21h 20m
Wed 11/41:30 pm -
1 stop15h 45m
Deal found 9/13![United Airlines logo]()
$741
This Air Canada deal was found by Cheapflights users on 9/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:00 am -
3 stops18h 40m
Wed 11/410:05 am -
2 stops19h 27m
Deal found 9/13![Multiple Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:31 pm -
1 stop14h 04m
Fri 11/610:05 am -
2 stops33h 26m
Deal found 9/14![United Airlines logo]()
$723
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:59 am -
2 stops18h 16m
Fri 11/610:50 am -
2 stops19h 52m
Deal found 9/14![Multiple Airlines logo]()
$749
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 15, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![British Airways logo]()
$6,850
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![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 15, 2026.
Round-trip from | $677 (Flysmarter) |
|---|
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 15, 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
Sun 11/1
7:00 am-6:40 pm
2 stops27h 40m
Frankfurt am Main
Tue 11/17
7:25 pm-10:42 pm
2 stops35h 17m
$686
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 2/16
7:00 am-9:20 am
1 stop18h 20m
Frankfurt am Main
Tue 2/23
8:40 am-11:16 pm
1 stop22h 36m
$693
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Fri 10/30
12:31 pm-9:35 am
1 stop14h 04m
Frankfurt am Main
Fri 11/6
10:05 am-11:31 am
2 stops33h 26m
$723
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Mon 11/2
12:00 pm-2:55 pm
1 stop18h 55m
Frankfurt am Main
Sun 1/31
1:30 pm-9:20 pm
1 stop15h 50m
$738
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Mon 10/5
7:00 am-8:45 am
1 stop17h 45m
Frankfurt am Main
Mon 10/12
7:20 pm-10:29 pm
2 stops35h 09m
$794
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Mon 10/5
6:32 am-3:15 pm
1 stop24h 43m
Frankfurt am Main
Mon 10/12
5:15 pm-10:33 pm
2 stops37h 18m
$818
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Tue 2/2
10:42 am-12:05 pm
2 stops41h 23m
Frankfurt am Main
Fri 2/5
10:05 am-9:35 pm
2 stops43h 30m
$823
BoiseFrankfurt am Main
BOI Boise Air Term. Gowen Fld - FRA Frankfurt am Main
BOIFRA
Boise Air Term. Gowen Fld
Mon 2/1
12:36 pm-9:35 am
1 stop12h 59m
Frankfurt am Main
Fri 2/5
10:05 am-1:30 pm
2 stops35h 25m
$829
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
Frankfurt am Main
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$6,850
Quickest round-trip
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
Frankfurt am Main
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$14,823
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.
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