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$384 Find cheap flights from Idaho to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to London departing on 6/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 7/11
Thu 7/18

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Good to know

Low season

February

High season

May

Cheapest flight

$384
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 36% increase in price.
Flight from Boise to London Gatwick Airport

FAQs for booking flights from Idaho to London

  • How does KAYAK find such low prices on flights from Idaho to London?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to London.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to London?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to London?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to London with an airline and back to Idaho with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to London?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to London from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Idaho to London?

Find which airlines fly direct from Idaho to London, which days they fly and book direct flights.

Nonstop departures

Idaho to London

Monday

ANA, AccesRail, Aegean Airlines, +121 more

ANA, AccesRail, +122 more

Tuesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Wednesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Thursday

ANA, AccesRail, Aegean Airlines, +120 more

ANA, AccesRail, +121 more

Friday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

Saturday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Sunday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

See more direct flights

Nonstop returns

London to Idaho

Monday

ANA, AccesRail, Aegean Airlines, +121 more

ANA, AccesRail, +122 more

Tuesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Wednesday

ANA, AccesRail, Aegean Airlines, +122 more

ANA, AccesRail, +123 more

Thursday

ANA, AccesRail, Aegean Airlines, +120 more

ANA, AccesRail, +121 more

Friday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

Saturday

ANA, AccesRail, Aegean Airlines, +119 more

ANA, AccesRail, +120 more

Sunday

ANA, AccesRail, Aegean Airlines, +125 more

ANA, AccesRail, +126 more

See more direct flights
See more direct flights

Book cheap flights from Idaho to London

Recent round-trip flight deals

9/19Thu
1 stop
15h 06mGEG-LGW
9/25Wed
1 stop
19h 41mLGW-GEG
$589
9/19Thu
1 stop
15h 06mGEG-LGW
9/23Mon
1 stop
19h 41mLGW-GEG
$593
10/2Wed
1 stopAmerican Airlines
18h 00mGEG-LHR
10/9Wed
2 stopsAmerican Airlines
20h 48mLHR-GEG
$617
10/2Wed
2 stopsAmerican Airlines
16h 50mGEG-LHR
10/9Wed
2 stopsAmerican Airlines
20h 48mLHR-GEG
$621
10/1Tue
1 stopUnited Airlines
19h 40mIDA-LHR
10/31Thu
2 stopsUnited Airlines
32h 52mLHR-IDA
$626
10/1Tue
2 stopsUnited Airlines
17h 15mIDA-LHR
10/31Thu
2 stopsUnited Airlines
32h 52mLHR-IDA
$631
10/8Tue
1 stopDelta
11h 30mGEG-LHR
10/23Wed
2 stopsDelta
17h 31mLHR-GEG
$641
10/8Tue
1 stopDelta
19h 35mGEG-LHR
10/25Fri
2 stopsDelta
17h 29mLHR-GEG
$644
12/4Wed
1 stopKLM
13h 45mJAC-LHR
12/19Thu
1 stopKLM
13h 30mLHR-JAC
$648
9/2Mon
1 stopKLM
14h 50mBOI-LHR
10/1Tue
1 stopKLM
14h 25mLHR-BOI
$683

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/16Sun
3 stops
41h 51mBOI-LGW
$384
8/19Mon
1 stop
20h 35mBOI-LGW
$389
11/5Tue
2 stopsIcelandair
15h 08mGEG-LGW
$435
11/5Tue
2 stopsIcelandair
15h 08mGEG-LHR
$435
11/5Tue
1 stopVirgin Atlantic
18h 40mGEG-LHR
$473
11/5Tue
3 stopsAir Canada
19h 30mGEG-LHR
$479
8/19Mon
1 stopVirgin Atlantic
18h 35mBOI-LHR
$489
8/26Mon
1 stopIberia
20h 55mBOI-LHR
$495
8/26Mon
3 stopsAir Canada
16h 35mBOI-LHR
$514
6/15Sat
1 stopIberia
31h 52mBOI-LHR
$1,448

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to London

Last minute flight, train and bus deals

6/13Thu
multi-stopUnited Airlines
31h 12mGEG-LHR
6/15Sat
multi-stopUnited Airlines
41h 00mLHR-GEG
$1,245
6/13Thu
multi-stopDelta
19h 20mBOI-LHR
6/20Thu
multi-stopDelta
17h 02mLHR-BOI
$1,278
6/13Thu
multi-stopKLM
14h 00mBOI-LHR
6/20Thu
multi-stopKLM
13h 07mLHR-BOI
$1,285
6/13Thu
multi-stop
30h 42mBOI-LGW
10/3Thu
multi-stop
15h 49mLGW-BOI
$1,357
6/13Thu
multi-stop
28h 40mGEG-LGW
6/15Sat
multi-stop
29h 18mLGW-GEG
$1,407
6/13Thu
multi-stopIcelandair
31h 46mBOI-LGW
10/3Thu
multi-stopIcelandair
16h 39mLGW-BOI
$1,602
6/12Wed
multi-stopAmerican Airlines
14h 12mBOI-LHR
9/5Thu
multi-stopAmerican Airlines
19h 56mLHR-BOI
$1,646
6/12Wed
multi-stopKLM
15h 08mBOI-LHR
9/5Thu
multi-stopKLM
13h 36mLHR-BOI
$1,677
6/13Thu
multi-stopIcelandair
55h 56mBOI-LHR
10/3Thu
multi-stopIcelandair
16h 29mLHR-BOI
$1,688
6/13Thu
multi-stopAmerican Airlines
16h 20mBOI-LHR
10/3Thu
multi-stopAmerican Airlines
19h 56mLHR-BOI
$1,716

Search by stops

Search by airline

Search by price

Flights to London

Return flight deals:

London - Idaho

Cabin classes: