Find flights
When to book
FAQs & Tips
Direct Flights
Deals

$360 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 7/24. 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
sam. 6/15
sam. 6/22

Search hundreds of travel sites at once for deals on flights to London

In the last 7 days travelers have searched 42,211,976 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

February

High season

May

Cheapest flight

$360
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

8/12lun.
1 stopAmerican Airlines
22h 50mGEG-LHR
8/29jeu.
1 stopAmerican Airlines
19h 36mLHR-GEG
$695
8/12lun.
2 stopsAmerican Airlines
17h 15mGEG-LHR
8/29jeu.
1 stopAmerican Airlines
19h 36mLHR-GEG
$699
8/17sam.
1 stopIberia
35h 29mBOI-LHR
8/30ven.
1 stopIberia
15h 26mLHR-BOI
$702
9/24mar.
2 stopsDelta
15h 50mBOI-LGW
10/1mar.
2 stopsDelta
18h 29mLGW-BOI
$718
9/24mar.
1 stopAmerican Airlines
24h 05mBOI-LHR
10/3jeu.
2 stopsAmerican Airlines
19h 26mLHR-BOI
$719
10/1mar.
1 stopUnited Airlines
22h 20mIDA-LHR
10/31jeu.
2 stopsUnited Airlines
38h 53mLHR-IDA
$733
10/9mer.
1 stopUnited Airlines
23h 47mGEG-LHR
11/1ven.
2 stopsUnited Airlines
31h 40mLHR-GEG
$733
9/2lun.
2 stopsDelta
15h 50mBOI-LGW
10/1mar.
2 stopsDelta
18h 29mLGW-BOI
$739
10/1mar.
1 stopKLM
13h 55mIDA-LHR
10/31jeu.
1 stopKLM
17h 16mLHR-IDA
$749
9/2lun.
1 stopKLM
14h 46mBOI-LHR
10/1mar.
1 stopKLM
15h 00mLHR-BOI
$771

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/24mer.
2 stops
32h 27mBOI-LGW
$360
8/26lun.
3 stops
34h 00mBOI-LHR
$386
6/27jeu.
2 stops
32h 15mGEG-LGW
$388
7/24mer.
2 stopsIcelandair
16h 21mBOI-LHR
$531
10/12sam.
2 stopsWestJet
23h 20mBOI-LHR
$536
10/12sam.
1 stopAlaska Airlines
34h 50mBOI-LHR
$582
8/26lun.
1 stopUnited Airlines
19h 40mBOI-LHR
$585
5/21mar.
2 stopsUnited Airlines
22h 10mGEG-LHR
$585
6/21ven.
2 stopsWestJet
18h 15mBOI-LHR
$657
5/22mer.
2 stopsIcelandair
17h 10mGEG-LGW
$1,031

Search by stops

Search by airline

Search by price

Last minute flights from Idaho to London

Last minute flight, train and bus deals

5/21mar.
multi-stopDelta
15h 55mGEG-LGW
5/31ven.
multi-stopDelta
20h 05mLGW-GEG
$761
5/21mar.
multi-stopUnited Airlines
12h 05mGEG-LHR
5/30jeu.
multi-stopUnited Airlines
42h 33mLHR-GEG
$776
5/21mar.
multi-stopUnited Airlines
18h 00mGEG-LHR
5/30jeu.
multi-stopUnited Airlines
42h 33mLHR-GEG
$781
5/21mar.
multi-stopUnited Airlines
20h 25mGEG-LHR
5/31ven.
multi-stopUnited Airlines
23h 48mLHR-GEG
$783
5/17ven.
multi-stopAir France
15h 10mGEG-LHR
5/24ven.
multi-stopAir France
16h 44mLHR-GEG
$836
5/20lun.
multi-stopKLM
17h 19mBOI-LHR
5/26dim.
multi-stopKLM
13h 09mLHR-BOI
$842
5/17ven.
multi-stopKLM
15h 10mGEG-LHR
5/24ven.
multi-stopKLM
21h 28mLHR-GEG
$842
5/19dim.
multi-stop
23h 25mBOI-LHR
5/21mar.
multi-stop
22h 34mLHR-BOI
$1,142
5/19dim.
multi-stop
24h 10mBOI-LCY
5/21mar.
multi-stop
22h 14mLCY-BOI
$1,185
5/19dim.
multi-stopAmerican Airlines
17h 20mBOI-LHR
5/21mar.
multi-stopAmerican Airlines
16h 53mLHR-BOI
$1,698

Search by stops

Search by airline

Search by price

Flights to London

Return flight deals:

London - Idaho

Cabin classes: