$733 Find Cheap Flights from London to Idaho

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Idaho departing on 3/10. 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 Idaho

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Idaho, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Idaho, as well as popular online travel agencies
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Cheap Flights from London to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Hailey
Hailey2 stops$977
Spokane
Spokane2 stops$732
Hailey
Hailey2 stops$977
Spokane
Spokane2 stops$732

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, Mar 10 - Tue, Mar 17
United Airlines Logo
6:35 am - 9:03 pmLHR-GEG
21h 28m2 stops
United Airlines Logo
6:00 am - 6:20 amGEG-LHR
17h 20m2 stops
$732United Airlines
Find Deal
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
6:35 am - 9:03 pmLHR-GEG
21h 28m2 stops
United Airlines Logo
7:02 am - 7:25 amGEG-LHR
17h 23m1 stop
$733United Airlines
Find Deal
Mon, Feb 9 - Mon, Feb 16
Lufthansa Logo
7:30 am - 6:07 pmLHR-BOI
17h 37m2 stops
Lufthansa Logo
2:40 pm - 2:45 pmBOI-LHR
17h 05m2 stops
$739Lufthansa
Find Deal
Mon, Feb 9 - Mon, Feb 16
Lufthansa Logo
11:35 am - 6:07 pmLHR-BOI
13h 32m1 stop
Lufthansa Logo
2:40 pm - 9:40 amBOI-LHR
12h 00m1 stop
$752Lufthansa
Find Deal
Tue, Mar 10 - Tue, Mar 17
Icelandair Logo
11:55 am - 9:37 pmLGW-GEG
16h 42m2 stops
Icelandair Logo
12:00 pm - 10:55 amGEG-LGW
15h 55m2 stops
$764Icelandair
Find Deal
Tue, Mar 10 - Tue, Mar 17
Icelandair Logo
11:55 am - 9:37 pmLGW-GEG
16h 42m2 stops
Icelandair Logo
12:00 pm - 10:55 amGEG-LGW
15h 55m2 stops
$765Icelandair
Find Deal
Mon, Apr 20 - Mon, Apr 27
Air Canada Logo
2:10 pm - 4:49 pmLHR-BOI
33h 39m2 stops
Air Canada Logo
6:20 am - 6:35 amBOI-LHR
17h 15m2 stops
$768Air Canada
Find Deal
Mon, Apr 20 - Mon, Apr 27
Air Canada Logo
2:10 pm - 4:49 pmLHR-BOI
33h 39m2 stops
Air Canada Logo
6:20 am - 6:35 amBOI-LHR
17h 15m2 stops
$769Air Canada
Find Deal
Wed, Feb 11 - Sun, Feb 15
American Airlines Logo
12:30 pm - 9:13 pmLGW-GEG
40h 43m2 stops
American Airlines Logo
1:55 pm - 7:30 amGEG-LGW
57h 35m2 stops
$815American Airlines
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Fri, Feb 20 - Mon, Feb 23
American Airlines Logo
11:00 am - 12:58 pmLHR-SUN
32h 58m1 stop
American Airlines Logo
7:46 am - 1:15 pmSUN-LHR
22h 29m1 stop
$1,001American Airlines
Find Deal
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 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 to Idaho departing in February.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London 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 to Idaho is September, when tickets cost $790 (return) on average. On the other hand, the most expensive months are December and July, when the average cost of round-trip tickets is $1,376 and $1,256 respectively.

What’s the cheapest day of the week to fly from London to Idaho?

The average price of all round-trip flights from London to Idaho clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Idaho on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Sunday is the most expensive day to fly from London to Idaho. For your return ticket, we recommend flying on a Tuesday and avoiding Fridays for the best deals.

How far in advance should I book a flight from London to Idaho?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Idaho, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London to Idaho, you should book around 2 weeks before departure, which saves you about 38% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

Good to know

Low seasonJanuary
Cheapest flight$732
Best time to beat the crowds with an average 1% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from London Heathrow Airport to Spokane

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.

  • What is the cheapest time of day to fly to Idaho?

    The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $1,053 on average. The most expensive time of day to fly to Idaho is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,056.

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

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.