$543+ Cheap flights from London (LON) to Idaho
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOI
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Cheapest flights from London to IdahoExplore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from London to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:05 pm -
2 stops16h 20m
Sat 10/247:20 am -
2 stops20h 30m
Deal found 9/17![Multiple Airlines logo]()
$825
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:20 pm -
1 stop14h 42m
Thu 12/32:05 pm -
1 stop13h 35m
Deal found 9/15![Multiple Airlines logo]()
$829
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:55 am -
1 stop18h 02m
Wed 11/45:35 pm -
1 stop15h 55m
Deal found 9/19![Multiple Airlines logo]()
$862
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:45 am -
2 stops19h 14m
Thu 10/226:04 pm -
1 stop14h 31m
Deal found 9/15![Multiple Airlines logo]()
$877
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:40 pm -
2 stops16h 15m
Sat 10/248:23 am -
2 stops22h 17m
Deal found 9/17![Multiple Airlines logo]()
$885
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 10/2912:20 pm -
1 stop17h 39m
Wed 11/1110:49 am -
1 stop16h 51m
Deal found 9/18![Multiple Airlines logo]()
$900
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Mon 11/26:20 am -
2 stops22h 13m
Mon 11/910:13 am -
1 stop17h 42m
Deal found 9/18![Multiple Airlines logo]()
$903
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Mon 11/211:35 am -
2 stops31h 03m
Mon 11/911:22 am -
1 stop16h 38m
Deal found 9/18![United Airlines logo]()
$918
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Wed 10/287:40 am -
2 stops21h 53m
Wed 11/46:30 am -
1 stop20h 10m
Deal found 9/19![United Airlines logo]()
$918
This Travcart deal was found by Cheapflights users on 9/19. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 pm -
2 stops34h 51m
Wed 11/45:00 am -
2 stops23h 20m
Deal found 9/19![Air Canada logo]()
$919
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:40 am -
2 stops22h 53m
Thu 12/38:15 am -
1 stop16h 10m
Deal found 9/17![United Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 10/296:35 am -
2 stops21h 22m
Wed 11/111:10 pm -
2 stops40h 20m
Deal found 9/19![United Airlines logo]()
$926
Best flights from London to IdahoDiscover carefully curated flight deals from London to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from London to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:40 pm -
2 stops16h 15m
Sat 10/248:23 am -
2 stops22h 17m
Deal found 9/17![Multiple Airlines logo]()
$885
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/23:20 pm -
2 stops32h 22m
Thu 12/36:15 am -
2 stops16h 40m
Deal found 9/15![United Airlines logo]()
$926
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:45 pm -
1 stop16h 14m
Sat 11/289:59 pm -
1 stop31h 21m
Deal found 9/19![Alaska Airlines logo]()
$990
This oojo deal was found by Cheapflights users on 9/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:55 am -
2 stops18h 48m
Thu 11/268:05 am -
2 stops18h 50m
Deal found 9/17![Icelandair logo]()
$1,087
This The Travel House deal was found by Cheapflights users on 9/16. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:25 pm -
1 stop36h 17m
Sun 10/111:39 pm -
2 stops33h 36m
Deal found 9/16![Finnair logo]()
$1,096
This Expedia deal was found by Cheapflights users on 9/19. 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.
Sun 12/68:05 pm -
2 stops28h 52m
Mon 12/2810:43 pm -
2 stops26h 07m
Deal found 9/19![KLM logo]()
$1,135
This Flightcatchers deal was found by Cheapflights users on 9/19. 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 Flightcatchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:15 pm -
2 stops29h 18m
Mon 11/2312:13 pm -
2 stops21h 22m
Deal found 9/19![Virgin Atlantic logo]()
$1,137
This lastminute.com deal was found by Cheapflights users on 9/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:15 am -
2 stops19h 34m
Tue 10/201:38 pm -
2 stops20h 17m
Deal found 9/15![Lufthansa logo]()
$1,183
This Iberia deal was found by Cheapflights users on 9/15. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:40 am -
2 stops21h 11m
Sun 11/296:00 am -
2 stops18h 50m
Deal found 9/15![Iberia logo]()
$1,188
This The Travel House deal was found by Cheapflights users on 9/17. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:45 am -
2 stops21h 58m
Sat 10/2412:49 pm -
2 stops46h 46m
Deal found 9/17![British Airways logo]()
$1,399
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:25 am -
2 stops18h 46m
Sat 10/104:30 pm -
2 stops15h 30m
Deal found 9/19![Delta logo]()
$1,637
This Icelandair deal was found by Cheapflights users on 9/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:15 pm -
2 stops17h 20m
Thu 11/2610:40 am -
2 stops17h 10m
Deal found 9/17![Multiple Airlines logo]()
$957
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/112:05 pm -
2 stops17h 46m
Sun 11/87:10 pm -
2 stops31h 30m
Deal found 9/17![United Airlines logo]()
$963
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 pm -
1 stop13h 59m
Tue 10/279:12 am -
2 stops21h 08m
Deal found 9/19![Alaska Airlines logo]()
$992
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:00 pm -
2 stops26h 28m
Wed 10/289:12 am -
2 stops21h 08m
Deal found 9/19![Alaska Airlines logo]()
$997
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/284:40 pm -
2 stops37h 25m
Wed 3/1012:29 pm -
2 stops15h 21m
Deal found 9/17![United Airlines logo]()
$1,013
This Condor deal was found by Cheapflights users on 9/15. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:20 am -
2 stops20h 39m
Thu 10/222:06 pm -
2 stops21h 44m
Deal found 9/15![Multiple Airlines logo]()
$1,019
This Travcart deal was found by Cheapflights users on 9/19. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 pm -
2 stops32h 49m
Mon 11/236:44 am -
2 stops21h 06m
Deal found 9/19![Iberia logo]()
$1,190
This TravelUp deal was found by Cheapflights users on 9/17. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:55 am -
1 stop18h 15m
Sat 10/311:05 pm -
2 stops59h 20m
Deal found 9/17![Virgin Atlantic logo]()
$1,226
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:45 pm -
1 stop13h 40m
Fri 11/610:30 am -
1 stop17h 50m
Deal found 9/15![Alaska Airlines logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/299:30 am -
2 stops17h 45m
Wed 11/112:51 pm -
1 stop11h 49m
Deal found 9/16![United Airlines logo]()
$1,027
This Expedia deal was found by Cheapflights users on 9/20. 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.
Wed 11/411:35 am -
1 stop16h 22m
Wed 11/112:25 pm -
1 stop12h 15m
Deal found 9/20![Lufthansa logo]()
$1,249
This Icelandair deal was found by Cheapflights users on 9/17. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2212:15 pm -
2 stops18h 28m
Thu 11/267:10 am -
2 stops19h 40m
Deal found 9/17![Multiple Airlines logo]()
$1,039
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:40 pm -
2 stops16h 15m
Fri 10/1612:42 pm -
2 stops17h 58m
Deal found 9/15![Icelandair logo]()
$1,261
This United Airlines deal was found by Cheapflights users on 9/18. 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.
Tue 10/62:50 pm -
1 stop13h 45m
Tue 10/136:25 am -
2 stops17h 30m
Deal found 9/18![United Airlines logo]()
$1,030
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/142:45 pm -
1 stop14h 08m
Mon 1/189:00 am -
1 stop19h 20m
Deal found 9/15![Alaska Airlines logo]()
$1,054
This Expedia deal was found by Cheapflights users on 9/20. 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.
Wed 11/49:50 am -
2 stops18h 07m
Wed 11/112:25 pm -
2 stops20h 15m
Deal found 9/20![Lufthansa logo]()
$1,277
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:25 am -
2 stops18h 55m
Mon 11/910:49 am -
2 stops25h 36m
Deal found 9/18![Multiple Airlines logo]()
$1,068
This The Travel House deal was found by Cheapflights users on 9/17. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:15 pm -
2 stops40h 27m
Mon 11/167:00 am -
2 stops28h 35m
Deal found 9/17![British Airways logo]()
$1,542
This Expedia deal was found by Cheapflights users on 9/19. 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.
Tue 11/39:50 am -
2 stops18h 07m
Tue 11/1010:37 am -
2 stops24h 03m
Deal found 9/19![Lufthansa logo]()
$1,282
Last-minute flights from London to IdahoDiscover last-minute flight deals from London to Idaho. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from London to Idaho. Data last updated September 20, 2026 and is based on user searches.
This lol.travel deal was found by Cheapflights users on 9/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:00 pm -
1 stop29h 23m
Fri 10/96:04 pm -
1 stop14h 01m
Deal found 9/19![Alaska Airlines logo]()
$935
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:45 am -
2 stops19h 14m
Thu 10/226:04 pm -
1 stop14h 31m
Deal found 9/15![Multiple Airlines logo]()
$877
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:45 pm -
1 stop14h 10m
Sat 10/241:38 pm -
1 stop14h 02m
Deal found 9/17![Multiple Airlines logo]()
$946
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:40 am -
1 stop19h 19m
Mon 10/262:06 pm -
1 stop14h 34m
Deal found 9/19![Multiple Airlines logo]()
$926
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:05 pm -
2 stops16h 20m
Sat 10/247:20 am -
2 stops20h 30m
Deal found 9/17![Multiple Airlines logo]()
$825
This Trip.com deal was found by Cheapflights users on 9/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:40 pm -
2 stops16h 15m
Sat 10/248:23 am -
2 stops22h 17m
Deal found 9/17![Multiple Airlines logo]()
$885
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2810:55 am -
1 stop18h 02m
Wed 11/45:35 pm -
1 stop15h 55m
Deal found 9/19![Multiple Airlines logo]()
$862
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Wed 10/287:40 am -
2 stops21h 53m
Wed 11/46:30 am -
1 stop20h 10m
Deal found 9/19![United Airlines logo]()
$918
This Travcart deal was found by Cheapflights users on 9/19. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 pm -
2 stops34h 51m
Wed 11/45:00 am -
2 stops23h 20m
Deal found 9/19![Air Canada logo]()
$919
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 10/2912:20 pm -
1 stop17h 39m
Wed 11/1110:49 am -
1 stop16h 51m
Deal found 9/18![Multiple Airlines logo]()
$900
This United Airlines deal was found by Cheapflights users on 9/19. 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.
Thu 10/296:35 am -
2 stops21h 22m
Wed 11/111:10 pm -
2 stops40h 20m
Deal found 9/19![United Airlines logo]()
$926
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:20 pm -
1 stop15h 46m
Fri 11/61:53 pm -
1 stop13h 47m
Deal found 9/15![Multiple Airlines logo]()
$955
One-way flights from London to IdahoSearch for one-way flight options from London to Idaho. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from London to Idaho. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:10 pm -
3 stops33h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Mon 11/308:35 pm -
3 stops47h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$549
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:00 am -
3 stops40h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$560
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/133:25 pm -
3 stops57h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:50 pm -
2 stops28h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:00 am -
2 stops40h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:35 pm -
2 stops31h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$591
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/138:50 pm -
3 stops51h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$600
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:50 pm -
3 stops30h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am -
3 stops38h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:10 am -
3 stops57h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$615
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:00 pm -
3 stops48h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$615
Find flight deals from London to Idaho
Keep the following information in mind while searching for London to Idaho flight deals. Data was last updated September 20, 2026.
Round-trip from | $825 (Trip.com) |
|---|---|
One-way from | $543 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,003 |
Cheapflights Fare Finder
Customize your flight search to find flights from London to Idaho 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 20, 2026.
Use the filters below to find and compare flights from London to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LondonSpokane
LGW London Gatwick - GEG Spokane
LGWGEG
London Gatwick
Mon 11/2
4:10 pm-5:14 pm
3 stops33h 04m
Spokane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$543
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Mon 11/2
2:50 pm-12:09 pm
2 stops28h 19m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$577
LondonSpokane
LHR London Heathrow - GEG Spokane
LHRGEG
London Heathrow
Mon 11/2
9:00 am-5:14 pm
2 stops40h 14m
Spokane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$586
LondonBoise
LGW London Gatwick - BOI Boise Air Term. Gowen Fld
LGWBOI
London Gatwick
Sat 10/31
7:00 pm-1:40 pm
3 stops48h 40m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$615
LondonSpokane
LGW London Gatwick - GEG Spokane
LGWGEG
London Gatwick
Mon 12/14
8:35 am-4:38 pm
2 stops40h 03m
Spokane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$615
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Mon 11/30
8:35 pm-11:59 pm
2 stops34h 24m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$621
LondonBoise
LHR London Heathrow - BOI Boise Air Term. Gowen Fld
LHRBOI
London Heathrow
Sat 10/31
2:50 pm-10:33 pm
2 stops37h 43m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$641
LondonBoise
LCY London City - BOI Boise Air Term. Gowen Fld
LCYBOI
London City
Tue 11/3
9:50 am-9:32 pm
2 stops18h 42m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$647
LondonBoise
LGW London Gatwick - BOI Boise Air Term. Gowen Fld
LGWBOI
London Gatwick
Fri 10/30
9:00 am-9:00 pm
2 stops42h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$654
LondonSpokane
LGW London Gatwick - GEG Spokane
LGWGEG
London Gatwick
Sun 12/13
12:35 pm-11:41 am
2 stops31h 06m
Spokane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$670
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from London to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from London with our price prediction graph.
LGW-GEG
LHR-BOI
LHR-GEG
LGW-BOI
LHR-IDA
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 London to Idaho
LON-USID
LGW-GEG
LHR-BOI
LHR-GEG
LGW-BOI
What is the cheapest month to book a flight from London to Idaho?
Currently, April is the cheapest month in which you can book a flight from London to Idaho (average of $847). Flying from London to Idaho in August is currently the most expensive (average of $1,490). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from London to Idaho?
Airfare is below average for this route at the moment.
London to Idaho flights typically cost between $874 and $1,108 in October.The cheapest round-trip price found within the last 5 days was $862 on Multiple Airlines (Oct 28-Nov 4).
Related info for your journey
Find useful and relevant information for your journey from London to Idaho. 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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