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$352 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 7/26. 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
Mon 7/1
Mon 7/8

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In the last 7 days travelers have searched 42,787,818 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

May

Cheapest flight

$352
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, +119 more

ANA, AccesRail, +120 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, +119 more

ANA, AccesRail, +120 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

10/21Mon
2 stopsAmerican Airlines
18h 01mGEG-LGW
10/30Wed
2 stopsAmerican Airlines
30h 41mLGW-GEG
$617
10/21Mon
1 stopUnited Airlines
16h 32mGEG-LHR
10/30Wed
2 stopsUnited Airlines
21h 11mLHR-GEG
$631
11/4Mon
2 stops
22h 15mGEG-LHR
11/15Fri
2 stops
37h 06mLHR-GEG
$636
10/21Mon
1 stopKLM
15h 40mGEG-LHR
10/30Wed
1 stopKLM
20h 33mLHR-GEG
$648
9/17Tue
2 stopsDelta
18h 00mGEG-LGW
9/27Fri
2 stopsDelta
20h 01mLGW-GEG
$651
9/22Sun
2 stopsDelta
18h 00mGEG-LGW
9/30Mon
2 stopsDelta
20h 01mLGW-GEG
$666
9/17Tue
1 stopKLM
17h 28mGEG-LHR
9/27Fri
1 stopKLM
21h 23mLHR-GEG
$683
8/14Wed
1 stop
21h 26mIDA-LHR
8/21Wed
1 stop
15h 26mLHR-IDA
$718
8/18Sun
1 stopFinnair
16h 15mBOI-LHR
9/7Sat
1 stopFinnair
16h 45mLHR-BOI
$733
8/15Thu
1 stopFinnair
16h 15mBOI-LHR
8/23Fri
1 stopFinnair
16h 31mLHR-BOI
$768

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/26Fri
2 stops
31h 51mBOI-LGW
$352
8/19Mon
1 stop
20h 35mBOI-LGW
$379
8/19Mon
1 stop
20h 35mBOI-LGW
$393
9/21Sat
2 stopsUnited Airlines
40h 05mGEG-LHR
$473
8/19Mon
2 stopsIcelandair
20h 00mBOI-LHR
$476
9/21Sat
1 stopUnited Airlines
34h 37mGEG-LHR
$486
8/19Mon
1 stopFinnair
16h 15mBOI-LHR
$493
8/26Mon
1 stopIberia
16h 15mBOI-LHR
$495
8/19Mon
1 stopIberia
16h 15mBOI-LHR
$502
9/21Sat
2 stopsIcelandair
14h 15mGEG-LGW
$530

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to London

Last minute flight, train and bus deals

6/4Tue
multi-stopAir Canada
22h 31mGEG-LHR
6/13Thu
multi-stopAir Canada
45h 08mLHR-GEG
$766
6/2Sun
multi-stopUnited Airlines
12h 10mIDA-LHR
6/11Tue
multi-stopUnited Airlines
28h 25mLHR-IDA
$778
6/4Tue
multi-stopUnited Airlines
26h 01mGEG-LHR
6/13Thu
multi-stopUnited Airlines
22h 00mLHR-GEG
$788
6/4Tue
multi-stopUnited Airlines
31h 12mGEG-LHR
6/13Thu
multi-stopUnited Airlines
14h 17mLHR-GEG
$794
6/4Tue
multi-stopDelta
16h 51mGEG-LGW
6/13Thu
multi-stopDelta
19h 43mLGW-GEG
$1,183
6/4Tue
multi-stop
22h 40mGEG-LCY
6/13Thu
multi-stop
21h 07mLCY-GEG
$1,213
6/2Sun
multi-stop
24h 40mBOI-LHR
6/7Fri
multi-stop
18h 29mLHR-BOI
$2,474
6/2Sun
multi-stop
15h 55mBOI-LHR
6/7Fri
multi-stop
22h 21mLHR-BOI
$3,952
6/2Sun
multi-stopLufthansa
12h 14mBOI-LHR
6/7Fri
multi-stopLufthansa
34h 05mLHR-BOI
$4,123
6/2Sun
multi-stop
16h 35mBOI-LHR
6/7Fri
multi-stop
18h 02mLHR-BOI
$6,249

Search by stops

Search by airline

Search by price

Flights to London

Return flight deals:

London - Idaho

Cabin classes: