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$365 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 9/22. 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
Tue 6/18
Tue 6/25

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In the last 7 days travelers have searched 41,904,688 times on KAYAK, and here is why:

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Good to know

Low season

February

High season

May

Cheapest flight

$365
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 Spokane 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

8/21Wed
1 stopAmerican Airlines
17h 54mBOI-LHR
8/28Wed
1 stopAmerican Airlines
19h 39mLHR-BOI
$698
8/21Wed
1 stopAmerican Airlines
23h 55mBOI-LHR
8/28Wed
2 stopsAmerican Airlines
19h 16mLHR-BOI
$701
9/23Mon
2 stopsDelta
16h 49mGEG-LGW
10/1Tue
2 stopsDelta
20h 01mLGW-GEG
$719
9/24Tue
1 stopAmerican Airlines
17h 46mBOI-LHR
10/1Tue
2 stopsAmerican Airlines
19h 56mLHR-BOI
$720
10/1Tue
1 stopUnited Airlines
19h 40mIDA-LHR
10/31Thu
2 stopsUnited Airlines
33h 57mLHR-IDA
$729
10/1Tue
2 stopsUnited Airlines
16h 45mIDA-LHR
10/31Thu
2 stopsUnited Airlines
37h 28mLHR-IDA
$733
9/25Wed
1 stopDelta
12h 15mBOI-LHR
10/10Thu
2 stopsDelta
20h 05mLHR-BOI
$744
8/17Sat
1 stopFinnair
16h 15mBOI-LHR
8/30Fri
1 stopFinnair
15h 26mLHR-BOI
$748
10/1Tue
1 stopKLM
13h 55mIDA-LHR
10/31Thu
1 stopKLM
17h 16mLHR-IDA
$751
9/15Sun
1 stopKLM
17h 15mBOI-LHR
9/25Wed
1 stopKLM
14h 55mLHR-BOI
$773

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/22Sun
1 stop
15h 06mGEG-LGW
$365
8/26Mon
3 stops
34h 00mBOI-LHR
$395
8/26Mon
3 stops
39h 35mBOI-LGW
$403
7/22Mon
3 stops
32h 56mBOI-LGW
$430
9/22Sun
2 stopsIcelandair
14h 15mGEG-LGW
$556
7/22Mon
2 stopsAlaska Airlines
19h 35mBOI-LHR
$568
8/26Mon
1 stopIberia
24h 15mBOI-LHR
$572
8/24Sat
2 stopsAlaska Airlines
34h 46mBOI-LHR
$574
7/21Sun
1 stopRoyal Air Maroc
24h 09mBOI-LHR
$575
6/10Mon
2 stopsIcelandair
16h 40mBOI-LHR
$1,645

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to London

Last minute flight, train and bus deals

5/21Tue
multi-stopDelta
15h 55mGEG-LGW
5/30Thu
multi-stopDelta
20h 05mLGW-GEG
$762
5/21Tue
multi-stopUnited Airlines
20h 25mGEG-LHR
5/30Thu
multi-stopUnited Airlines
42h 33mLHR-GEG
$777
5/21Tue
multi-stopUnited Airlines
22h 00mGEG-LHR
5/30Thu
multi-stopUnited Airlines
42h 33mLHR-GEG
$782
5/21Tue
multi-stopKLM
15h 10mGEG-LHR
5/30Thu
multi-stopKLM
21h 32mLHR-GEG
$793
5/24Fri
multi-stopUnited Airlines
21h 56mGEG-LHR
6/5Wed
multi-stopUnited Airlines
37h 07mLHR-GEG
$1,281
5/24Fri
multi-stopUnited Airlines
28h 17mGEG-LHR
6/5Wed
multi-stopUnited Airlines
37h 07mLHR-GEG
$1,285
5/24Fri
multi-stopAmerican Airlines
15h 35mGEG-LHR
6/5Wed
multi-stopAmerican Airlines
20h 01mLHR-GEG
$1,301
5/21Tue
multi-stop
28h 20mGEG-LCY
5/30Thu
multi-stop
21h 16mLCY-GEG
$1,400
5/21Tue
multi-stop
17h 20mGEG-LHR
5/30Thu
multi-stop
21h 00mLHR-GEG
$2,051
5/24Fri
multi-stop
19h 25mGEG-LHR
6/5Wed
multi-stop
21h 00mLHR-GEG
$2,098

Search by stops

Search by airline

Search by price

Flights to London

Return flight deals:

London - Idaho

Cabin classes: