£252 Find Cheap Flights from Idaho to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Heathrow departing on 13/1. 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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Flight Deals

Cheap Flights from Idaho to Heathrow

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Idaho to Heathrow 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 return flight deals from Idaho to Heathrow

Tue, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
14:00 - 10:30BOI-LHR
13h 30m1 stop
Virgin Atlantic Logo
14:45 - 23:58LHR-BOI
16h 13m1 stop
£429Virgin Atlantic
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Tue, 17 Feb - Thu, 26 Feb
Multiple Airlines Logo
13:43 - 11:40BOI-LHR
14h 57m1 stop
Multiple Airlines Logo
06:20 - 16:26LHR-BOI
17h 06m2 stops
£446Multiple Airlines
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Wed, 19 Nov - Wed, 26 Nov
Delta Logo
11:42 - 10:30BOI-LHR
15h 48m1 stop
Delta Logo
08:40 - 22:27LHR-BOI
20h 47m2 stops
£450Delta
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Wed, 12 Nov - Wed, 26 Nov
Delta Logo
06:00 - 10:00GEG-LHR
20h 00m1 stop
Delta Logo
06:30 - 20:03LHR-GEG
21h 33m2 stops
£450Delta
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Tue, 13 Jan - Tue, 27 Jan
KLM Logo
13:43 - 11:40BOI-LHR
14h 57m1 stop
KLM Logo
10:45 - 17:35LHR-BOI
13h 50m1 stop
£461KLM
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Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
10:53 - 12:00BOI-LHR
18h 07m1 stop
United Airlines Logo
06:35 - 23:48LHR-BOI
24h 13m2 stops
£468United Airlines
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Tue, 11 Nov - Tue, 25 Nov
United Airlines Logo
05:10 - 07:10GEG-LHR
18h 00m2 stops
United Airlines Logo
06:35 - 23:29LHR-GEG
24h 54m2 stops
£470United Airlines
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Sun, 7 Dec - Sun, 14 Dec
KLM Logo
13:12 - 11:40GEG-LHR
14h 28m1 stop
KLM Logo
11:05 - 20:10LHR-GEG
17h 05m1 stop
£474KLM
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Wed, 22 Apr - Sat, 2 May
Scandinavian Airlines Logo
13:00 - 21:40BOI-LHR
25h 40m2 stops
Scandinavian Airlines Logo
06:40 - 23:04LHR-BOI
23h 24m3 stops
£474Scandinavian Airlines
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Wed, 22 Apr - Sat, 2 May
Scandinavian Airlines Logo
13:00 - 21:35BOI-LHR
25h 35m3 stops
Scandinavian Airlines Logo
06:40 - 23:04LHR-BOI
23h 24m3 stops
£499Scandinavian Airlines
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Everything you should know

Cheapest return fare
£429
Typical prices: £568-£694
Virgin Atlantic
Tue 17/2Thu 26/2
BOI - LHR • 1 stop
Cheapest one-way flight
£254
Multiple Airlines
Tue 13/1
GEG - LHR • 2 stops
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Useful Info

Good to know - Cheap tickets from Idaho to London Heathrow Airport

Low seasonFebruary
Cheapest flight£254
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (11% more expensive on average)
Flight from Spokane to London Heathrow Airport

FAQs for booking Idaho to London Heathrow Airport flights

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

    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 Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Idaho is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Idaho to London Heathrow Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to London Heathrow Airport 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 Heathrow Airport?

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

Travelling to a place near Heathrow?

Book flights to Heathrow if you plan to visit one of these locations
Gatwick
Milton Keynes
Eastbourne
Luton
Hounslow
Southend-on-Sea
Northampton
Swindon
Slough
Croydon
Winchester
Stansted
Poole
Folkestone
Chichester
Maidstone
Salisbury
Colchester
Chelmsford
Crawley

Everything you need to know for your flight to Heathrow

Information on your arrival and departure airports

London Heathrow Airport (LHR)

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