£246 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 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

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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

Wed, 8 Oct - Fri, 17 Oct
Scandinavian Airlines Logo
15:05 - 18:30BOI-LHR
20h 25m2 stops
Scandinavian Airlines Logo
10:20 - 23:04LHR-BOI
19h 44m2 stops
£517Scandinavian Airlines
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Wed, 8 Oct - Fri, 17 Oct
Scandinavian Airlines Logo
15:05 - 18:30BOI-LHR
20h 25m2 stops
Scandinavian Airlines Logo
06:40 - 23:04LHR-BOI
23h 24m3 stops
£525Scandinavian Airlines
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Sun, 9 Nov - Wed, 19 Nov
Air Canada Logo
06:20 - 11:50BOI-LHR
22h 30m2 stops
Air Canada Logo
14:30 - 13:44LHR-BOI
30h 14m2 stops
£536Air Canada
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Tue, 19 Aug - Fri, 29 Aug
United Airlines Logo
05:15 - 12:20GEG-LHR
23h 05m1 stop
United Airlines Logo
09:30 - 11:27LHR-GEG
33h 57m2 stops
£536United Airlines
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Tue, 28 Oct - Thu, 6 Nov
United Airlines Logo
05:10 - 07:10GEG-LHR
19h 00m2 stops
United Airlines Logo
08:55 - 23:29LHR-GEG
22h 34m2 stops
£539United Airlines
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Sun, 9 Nov - Fri, 21 Nov
Iberia Logo
07:21 - 11:40BOI-LHR
21h 19m1 stop
Iberia Logo
06:25 - 21:18LHR-BOI
21h 53m2 stops
£539Iberia
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Fri, 7 Nov - Tue, 18 Nov
Logo
11:25 - 06:30GEG-LHR
59h 05m2 stops
Logo
07:40 - 20:45LHR-GEG
21h 05m2 stops
£539
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Sat, 8 Nov - Wed, 19 Nov
Air Canada Logo
19:00 - 11:50BOI-LHR
33h 50m2 stops
Air Canada Logo
14:30 - 13:44LHR-BOI
30h 14m2 stops
£540Air Canada
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Mon, 25 Aug - Tue, 2 Sep
Logo
05:15 - 10:00GEG-LHR
44h 45m2 stops
Logo
20:25 - 21:03LHR-GEG
32h 38m2 stops
£542
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Iberia Logo
07:21 - 06:20BOI-LHR
15h 59m1 stop
Iberia Logo
17:25 - 21:18LHR-BOI
34h 53m2 stops
£547Iberia
Find Deal
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Good to know - Cheap tickets from Idaho to London Heathrow Airport

Low seasonFebruary
High seasonAugust
Cheapest flight£246
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flight from Boise 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
Swindon
Northampton
Southend-on-Sea
Winchester
Slough
Croydon
Stansted
Poole
Chichester
Folkestone
Maidstone
Colchester
Salisbury
Crawley
Chelmsford
Bedford

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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