$553 Find Cheap Flights from London to Idaho - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Idaho departing on 11/18. 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

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Cheap Flights from London to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 5 days
Boise
Boise2 stops$812
Idaho Falls
Idaho Falls1 stop$1,042
Spokane
Spokane2 stops$783
Boise
Boise2 stops$812
Idaho Falls
Idaho Falls1 stop$1,042
Spokane
Spokane2 stops$783

Book Cheap London to Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Idaho 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 London to Idaho

Tue, Sep 22 - Tue, Sep 29
Scandinavian Airlines Logo
6:40 am - 5:09 pmLHR  London Heathrow-GEG Spokane
18h 29m2 stops Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
1:00 pm - 4:00 pmGEG  Spokane-LHR London Heathrow
19h 00m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$783Scandinavian Airlines
Sat, Sep 26 - Sat, Oct 3
Scandinavian Airlines Logo
6:40 am - 7:15 pmLHR  London Heathrow-GEG Spokane
20h 35m2 stops Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
11:10 am - 9:40 pmGEG  Spokane-LHR London Heathrow
26h 30m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$797Scandinavian Airlines
Tue, Sep 22 - Tue, Sep 29
Scandinavian Airlines Logo
7:05 am - 6:50 pmLHR  London Heathrow-GEG Spokane
19h 45m3 stops Oslo Gardermoen Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
11:10 am - 4:00 pmGEG  Spokane-LHR London Heathrow
20h 50m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$802Scandinavian Airlines
Tue, Sep 22 - Tue, Sep 29
Scandinavian Airlines Logo
7:05 am - 5:09 pmLHR  London Heathrow-GEG Spokane
18h 04m3 stops Oslo Gardermoen Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
11:10 am - 5:00 pmGEG  Spokane-LHR London Heathrow
21h 50m3 stops Seattle/Tacoma Intl Kastrup Copenhagen Stockholm Arlanda
$809Scandinavian Airlines
Thu, Sep 10 - Sun, Sep 13
Scandinavian Airlines Logo
7:30 pm - 10:34 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
34h 04m2 stops Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
10:34 am - 5:40 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
24h 06m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$812Scandinavian Airlines
Wed, Nov 11 - Wed, Dec 2
Scandinavian Airlines Logo
10:20 am - 10:54 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 34m2 stops Kastrup Copenhagen Los Angeles Los Angeles
Scandinavian Airlines Logo
4:14 pm - 5:40 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
18h 26m2 stops Los Angeles Los Angeles Kastrup Copenhagen
$827Scandinavian Airlines
Fri, Sep 25 - Fri, Oct 2
Multiple Airlines Logo
2:30 pm - 11:00 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
15h 30m1 stop Los Angeles Los Angeles
Multiple Airlines Logo
6:47 pm - 5:35 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
15h 48m1 stop Los Angeles Los Angeles
$866Multiple Airlines
Sat, Nov 7 - Wed, Nov 11
Scandinavian Airlines Logo
10:20 am - 11:04 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
19h 44m2 stops Kastrup Copenhagen Los Angeles Los Angeles
Scandinavian Airlines Logo
4:14 pm - 9:20 amBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
34h 06m2 stops Los Angeles Los Angeles Kastrup Copenhagen
$893Scandinavian Airlines
Sat, Sep 26 - Sat, Oct 3
Scandinavian Airlines Logo
5:00 pm - 6:39 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
32h 39m2 stops Kastrup Copenhagen Seattle/Tacoma Intl
Scandinavian Airlines Logo
12:17 pm - 4:00 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
20h 43m2 stops Seattle/Tacoma Intl Kastrup Copenhagen
$902Scandinavian Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
12:45 pm - 10:27 pmLHR  London Heathrow-BOI Boise Air Term. Gowen Fld
16h 42m1 stop San Francisco
Multiple Airlines Logo
8:57 am - 12:05 pmBOI  Boise Air Term. Gowen Fld-LHR London Heathrow
20h 08m1 stop San Francisco
$923Multiple Airlines
Booking Insights

KAYAK's insights & trends for London to Idaho flights

Get data-powered insights and trends into flights from London to Idaho to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London Heathrow Airport to Idaho?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Idaho departing in September.

Flight prices are below average for this route right now.

Flights to Idaho from London Heathrow Airport usually cost between $1,345 and $1,575 in September.
The lowest price found in the past 5 days was $812 on Scandinavian Airlines (Sep 10-Sep 13).

What is the cheapest month to fly from London Heathrow Airport to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Idaho is November, when tickets cost $805 (return) on average. On the other hand, the most expensive months are August and December, when the average cost of round-trip tickets is $1,526 and $1,294 respectively.

Find deals

Good to know

Low season

January

Cheapest flight

$553
Best time to beat the crowds but there is an average 3% increase in price.
Most popular time to fly and prices are also 11% lower on average.
Flight from London to Boise

FAQs - booking Idaho flights

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

    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 London to Idaho.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to 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 London to Idaho?

    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 from London to Idaho with an airline and back with another airline.

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

    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 from London to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to Idaho

Information on your arrival and departure airports

London (LHR)