$462+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — FRA
Apr 23 — Apr 301
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 March 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 March 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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.
Thu 4/2312:15 pm
BOI
- FRA
1 stop16h 55m
Multiple Airlines
Mon 5/112:45 pm
FRA
- BOI
1 stop16h 17m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$763
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Thu 11/261:29 pm
BOI
- FRA
2 stops19h 41m
American Airlines
Thu 12/310:15 am
FRA
- BOI
1 stop19h 48m
American Airlines
Deal found 3/23![American Airlines logo]()
$847
This Cheapflightsfares deal was found by Cheapflights users on 3/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:57 pm
BOI
- FRA
1 stop14h 03m
Multiple Airlines
Sun 5/102:15 pm
FRA
- BOI
1 stop16h 47m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$849
This Expedia deal was found by Cheapflights users on 3/22. 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 4/276:00 am
BOI
- FRA
1 stop18h 45m
Iberia
Tue 5/1210:55 am
FRA
- BOI
1 stop18h 12m
Iberia
Deal found 3/22![Iberia logo]()
$851
This Finnair deal was found by Cheapflights users on 3/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:29 pm
BOI
- FRA
2 stops21h 06m
Multiple Airlines
Mon 4/277:20 pm
FRA
- BOI
2 stops35h 18m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$864
This British Airways deal was found by Cheapflights users on 3/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:14 pm
BOI
- FRA
2 stops24h 06m
Multiple Airlines
Tue 5/1210:40 am
FRA
- BOI
2 stops19h 58m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$873
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 March 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 March 24, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:57 pm
BOI
- FRA
1 stop14h 13m
Multiple Airlines
Mon 5/112:45 pm
FRA
- BOI
1 stop16h 17m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$767
This American Airlines deal was found by Cheapflights users on 3/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/241:29 pm
BOI
- FRA
2 stops20h 51m
American Airlines
Sun 5/1010:55 am
FRA
- BOI
1 stop19h 59m
American Airlines
Deal found 3/21![American Airlines logo]()
$951
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:52 pm
BOI
- FRA
2 stops17h 28m
Delta
Wed 5/1311:45 am
FRA
- BOI
2 stops18h 28m
Delta
Deal found 3/22![Delta logo]()
$978
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Sun 4/268:20 am
BOI
- FRA
2 stops19h 45m
United Airlines
Wed 5/1312:55 pm
FRA
- BOI
1 stop16h 22m
United Airlines
Deal found 3/22![United Airlines logo]()
$1,023
This oojo deal was found by Cheapflights users on 3/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:51 pm
BOI
- FRA
2 stops25h 34m
Icelandair
Sat 5/307:25 am
FRA
- BOI
2 stops18h 49m
Icelandair
Deal found 3/21![Icelandair logo]()
$1,212
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/65:50 am
BOI
- FRA
2 stops23h 20m
Alaska Airlines
Thu 4/92:35 pm
FRA
- BOI
1 stop17h 21m
Alaska Airlines
Deal found 3/23![Alaska Airlines logo]()
$1,369
This Cheapflightsfares deal was found by Cheapflights users on 3/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:57 pm
BOI
- FRA
1 stop14h 03m
Multiple Airlines
Sun 5/102:15 pm
FRA
- BOI
1 stop13h 56m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$885
This Delta deal was found by Cheapflights users on 3/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/252:18 pm
BOI
- FRA
1 stop34h 37m
Delta
Wed 5/1311:45 am
FRA
- BOI
2 stops16h 49m
Delta
Deal found 3/22![Delta logo]()
$982
This United Airlines deal was found by Cheapflights users on 3/22. 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.
Tue 4/2112:30 pm
BOI
- FRA
2 stops21h 35m
United Airlines
Tue 5/1212:55 pm
FRA
- BOI
1 stop16h 22m
United Airlines
Deal found 3/22![United Airlines logo]()
$1,023
This Condor deal was found by Cheapflights users on 3/23. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/62:22 pm
BOI
- FRA
1 stop14h 48m
Multiple Airlines
Thu 4/92:35 pm
FRA
- BOI
1 stop17h 21m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$957
This Finnair deal was found by Cheapflights users on 3/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:09 am
BOI
- FRA
2 stops28h 26m
Multiple Airlines
Sat 5/3010:55 am
FRA
- BOI
1 stop19h 34m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$1,388
Last-minute flights from Boise to HeidelbergDiscover last-minute flight deals from Boise to Heidelberg. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Heidelberg. Data last updated March 24, 2026 and is based on user searches.
This Finnair deal was found by Cheapflights users on 3/23. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/201:29 pm
BOI
- FRA
2 stops21h 06m
Multiple Airlines
Mon 4/277:20 pm
FRA
- BOI
2 stops35h 18m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$864
This FlightHub deal was found by Cheapflights users on 3/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:15 pm
BOI
- FRA
1 stop16h 30m
Condor
Tue 5/122:15 pm
FRA
- BOI
1 stop13h 56m
Condor
Deal found 3/22![Condor logo]()
$904
This Cheapflightsfares deal was found by Cheapflights users on 3/23. 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.
Thu 4/2312:15 pm
BOI
- FRA
1 stop16h 55m
Multiple Airlines
Mon 5/112:45 pm
FRA
- BOI
1 stop16h 17m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$763
This Cheapflightsfares deal was found by Cheapflights users on 3/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:57 pm
BOI
- FRA
1 stop14h 03m
Multiple Airlines
Sun 5/102:15 pm
FRA
- BOI
1 stop16h 47m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$849
This Expedia deal was found by Cheapflights users on 3/22. 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 4/276:00 am
BOI
- FRA
1 stop18h 45m
Iberia
Tue 5/1210:55 am
FRA
- BOI
1 stop18h 12m
Iberia
Deal found 3/22![Iberia logo]()
$851
This British Airways deal was found by Cheapflights users on 3/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/272:14 pm
BOI
- FRA
2 stops24h 06m
Multiple Airlines
Tue 5/1210:40 am
FRA
- BOI
2 stops19h 58m
Multiple Airlines
Deal found 3/22![Multiple Airlines logo]()
$873
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 March 24, 2026.
Search for one-way flight options from Boise to Heidelberg. Find affordable one-way fares based on user searches. Data last updated March 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
BOI
- FRA
3 stops31h 25m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$462
This Kiwi.com deal was found by Cheapflights users on 3/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:00 am
BOI
- FRA
3 stops31h 30m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Sat 4/117:03 pm
BOI
- FRA
2 stops30h 52m
United Airlines
Deal found 3/19![United Airlines logo]()
$631
This KAYAK deal was found by Cheapflights users on 3/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/112:37 pm
BOI
- FRA
1 stop34h 43m
Lufthansa
Deal found 3/20![Lufthansa logo]()
$644
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:51 pm
BOI
- FRA
2 stops25h 34m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,498
This Air Canada deal was found by Cheapflights users on 3/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:15 am
BOI
- FRA
3 stops17h 45m
Air Canada
Deal found 3/23![Air Canada logo]()
$1,562
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 March 24, 2026.
Round-trip from | $763 (Cheapflightsfares) |
|---|---|
One-way from | $462 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $1,845 |
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 March 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
Thu 4/23
2:57 pm-1:10 pm
1 stop14h 13m
Frankfurt am Main
Mon 5/11
2:45 pm-11:02 pm
1 stop16h 17m
$767
Quickest round-trip
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 4/24
2:57 pm-1:00 pm
1 stop14h 03m
Frankfurt am Main
Sun 5/10
2:15 pm-8:11 pm
1 stop13h 56m
$885
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Fri 4/24
1:29 pm-6:20 pm
2 stops20h 51m
Frankfurt am Main
Sun 5/10
10:55 am-10:54 pm
1 stop19h 59m
$951
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 4/6
2:22 pm-1:10 pm
1 stop14h 48m
Frankfurt am Main
Thu 4/9
2:35 pm-11:56 pm
1 stop17h 21m
$957
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Wed 4/22
12:52 pm-2:20 pm
2 stops17h 28m
Frankfurt am Main
Wed 5/13
11:45 am-10:13 pm
2 stops18h 28m
$978
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sat 4/25
2:18 pm-8:55 am
1 stop34h 37m
Frankfurt am Main
Wed 5/13
11:45 am-8:34 pm
2 stops16h 49m
$982
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Sun 4/26
8:20 am-12:05 pm
2 stops19h 45m
Frankfurt am Main
Wed 5/13
12:55 pm-9:17 pm
1 stop16h 22m
$1,023
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Tue 4/21
12:30 pm-6:05 pm
2 stops21h 35m
Frankfurt am Main
Tue 5/12
12:55 pm-9:17 pm
1 stop16h 22m
$1,023
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Wed 5/20
8:51 pm-6:25 am
2 stops25h 34m
Frankfurt am Main
Sat 5/30
7:25 am-6:14 pm
2 stops18h 49m
$1,212
BoiseFrankfurt am Main
BOI - FRA
BOIFRA
Boise Air Term. Gowen Fld
Mon 4/6
5:50 am-1:10 pm
2 stops23h 20m
Frankfurt am Main
Thu 4/9
2:35 pm-11:56 pm
1 stop17h 21m
$1,369
Showing 1-10 of 18 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
How much does it cost to fly round-trip from Boise to Heidelberg?
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 March 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.
Crew
8.1
Entertainment
7.1
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Entertainment
7.1
Food
6.6
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Related info for your journey
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Boise and Heidelberg flights
Browse other Boise and Heidelberg flight options. Last updated on March 24, 2026.
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Browse through other flights departing from Boise. Flights are based on user searches made on Cheapflights and were last updated on March 24, 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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$656 | Average$993 | FlexibilityNo cancel fee | On-time69% |