$296 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 10/24. 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
1 adult, Economy

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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

Wed, Nov 19 - Thu, Nov 27
Air Canada Logo
6:20 am - 11:50 amBOI-LHR
22h 30m2 stops
Air Canada Logo
2:30 pm - 11:28 pmLHR-BOI
39h 58m2 stops
$608Air Canada
Find Deal
Wed, Nov 19 - Wed, Nov 26
Air Canada Logo
6:20 am - 10:10 amBOI-LHR
20h 50m2 stops
Air Canada Logo
11:10 am - 1:44 pmLHR-BOI
33h 34m2 stops
$615Air Canada
Find Deal
Wed, Nov 12 - Mon, Nov 17
Scandinavian Airlines Logo
3:54 pm - 5:40 pmBOI-LHR
18h 46m2 stops
Scandinavian Airlines Logo
7:30 pm - 10:54 pmLHR-BOI
34h 24m2 stops
$616Scandinavian Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Scandinavian Airlines Logo
3:54 pm - 6:30 pmBOI-LHR
19h 36m2 stops
Scandinavian Airlines Logo
7:30 pm - 10:54 pmLHR-BOI
34h 24m2 stops
$617Scandinavian Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 19
Delta Logo
1:10 pm - 10:00 amGEG-LHR
12h 50m1 stop
Delta Logo
6:20 am - 6:58 pmLHR-GEG
20h 38m2 stops
$623Delta
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Tue, Oct 14 - Tue, Oct 21
Delta Logo
2:00 pm - 11:20 amBOI-LHR
14h 20m1 stop
Delta Logo
6:30 am - 8:16 pmLHR-BOI
20h 46m2 stops
$624Delta
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
2:31 pm - 9:40 amBOI-LHR
12h 09m1 stop
United Airlines Logo
4:40 pm - 6:09 pmLHR-BOI
32h 29m2 stops
$626United Airlines
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Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
2:31 pm - 9:40 amBOI-LHR
12h 09m1 stop
United Airlines Logo
4:40 pm - 7:45 pmLHR-BOI
34h 05m2 stops
$627United Airlines
Find Deal
Wed, Oct 1 - Tue, Oct 7
KLM Logo
1:00 pm - 9:50 amBOI-LHR
13h 50m1 stop
KLM Logo
5:25 pm - 12:08 amLHR-BOI
13h 43m1 stop
$631KLM
Find Deal
Wed, Nov 5 - Wed, Nov 19
KLM Logo
11:20 am - 10:30 amGEG-LHR
15h 10m1 stop
KLM Logo
12:20 pm - 6:58 pmLHR-GEG
14h 38m1 stop
$632KLM
Find Deal

Everything you should know

Cheapest round-trip
$608
Overall average: $1,100
Air Canada
Wed 11/19Thu 11/27
BOI - LHR • 2 stops
Cheapest one-way
$296
Multiple Airlines
Fri 10/24
GEG - LGW • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to London!
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$296
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 25% 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Wembley
Slough
Hayes
Richmond
Luton
Ilford
Watford
Crawley
Guildford
Eastbourne
Kingston upon Thames
Harrow
Hastings
St. Albans
Barnet
Bedford
Southall
Southend-on-Sea
Ipswich

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.

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