$310 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 10/20. 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
1 adult, Economy, 0 bags

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

Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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

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

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

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

Flight Deals
Useful Info
Flight Deals

Cheap Flights from Idaho to London

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho to London that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho to London

Mon, Oct 26 - Tue, Nov 3
Multiple Airlines Logo
1:40 pm - 12:15 pm
JAC
-
LHR
16h 35m
1 stop
Multiple Airlines Logo
5:15 pm - 12:14 pm
LHR
-
JAC
25h 59m
2 stops
$827Multiple Airlines
Tue, Nov 3 - Tue, Nov 10
Multiple Airlines Logo
1:11 pm - 11:35 am
JAC
-
LHR
15h 24m
2 stops
Multiple Airlines Logo
5:15 pm - 12:14 pm
LHR
-
JAC
25h 59m
2 stops
$832Multiple Airlines
Wed, Oct 7 - Tue, Oct 13
American Airlines Logo
12:12 pm - 10:55 am
IDA
-
LHR
15h 43m
1 stop
American Airlines Logo
8:15 am - 9:22 pm
LHR
-
IDA
20h 07m
2 stops
$869American Airlines
Wed, Sep 30 - Thu, Oct 8
Delta Logo
6:00 am - 10:00 am
IDA
-
LHR
21h 00m
1 stop
Delta Logo
11:45 am - 10:19 pm
LHR
-
IDA
41h 34m
2 stops
$876Delta
Tue, Sep 29 - Wed, Oct 7
Delta Logo
2:14 pm - 1:15 pm
BOI
-
LHR
16h 01m
1 stop
Delta Logo
8:40 am - 8:17 pm
LHR
-
BOI
18h 37m
2 stops
$876Delta
Mon, Nov 2 - Tue, Nov 10
KLM Logo
11:35 am - 10:00 am
JAC
-
LHR
15h 25m
1 stop
KLM Logo
8:25 pm - 4:29 pm
LHR
-
JAC
27h 04m
2 stops
$876KLM
Tue, Sep 29 - Wed, Oct 7
United Airlines Logo
6:25 am - 12:25 pm
BOI
-
LHR
23h 00m
1 stop
United Airlines Logo
7:25 am - 7:29 pm
LHR
-
BOI
19h 04m
2 stops
$877United Airlines
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
7:02 am - 11:15 am
GEG
-
LHR
21h 13m
1 stop
United Airlines Logo
6:35 am - 11:38 pm
LHR
-
GEG
24h 03m
2 stops
$877United Airlines
Mon, Nov 2 - Wed, Nov 11
KLM Logo
11:35 am - 11:40 am
JAC
-
LHR
17h 05m
2 stops
KLM Logo
8:25 pm - 4:29 pm
LHR
-
JAC
27h 04m
2 stops
$881KLM
Tue, Aug 11 - Mon, Aug 31
American Airlines Logo
5:40 am - 10:40 am
GEG
-
LGW
21h 00m
2 stops
American Airlines Logo
2:00 pm - 1:37 pm
LGW
-
GEG
31h 37m
2 stops
$987American Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$310
Best time to beat the crowds but there is an average 96% increase in price.
Most popular time to fly and prices are also 29% lower on average.
Flight from Boise to London Heathrow 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Slough
Hayes
Richmond
Wembley
Luton
Crawley
Ilford
Eastbourne
Watford
Bedford
Colchester
Guildford
Twickenham
Kingston upon Thames
Ipswich
St. Albans
Maidenhead
Newbury
Harrow

Everything you need to know for your flight to London

Cabin class types available on flights to Idaho

Cabin classes available on flights to London. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to London
Business Class flights to London
Premium Economy Class flights to London
Economy Class flights to London