£359 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 3/4. 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 London Heathrow Airport

Travellers love KAYAK
41.299.237 searches in the past 7 days on KAYAK

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest return fare
£445
Typical prices: £557-£700
Lufthansa
Wed 4/3Mon 9/3
GEG - LHR • 1 stop
Cheapest one-way flight
£359
Typical prices: £364-£418
Air Canada
Fri 3/4
GEG - LHR • 2 stops
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Useful Info
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

Wed, 4 Mar - Mon, 9 Mar
Lufthansa Logo
07:00 - 12:00
GEG
-
LHR
21h 00m1 stop
Lufthansa Logo
07:40 - 21:18
LHR
-
GEG
20h 38m2 stops
£445Lufthansa
Wed, 4 Mar - Wed, 11 Mar
Lufthansa Logo
13:44 - 19:35
GEG
-
LHR
21h 51m2 stops
Lufthansa Logo
07:40 - 21:03
LHR
-
GEG
20h 23m2 stops
£451Lufthansa
Fri, 30 Jan - Fri, 6 Feb
Lufthansa Logo
10:28 - 09:40
BOI
-
LHR
16h 12m1 stop
Lufthansa Logo
11:35 - 18:07
LHR
-
BOI
13h 32m1 stop
£452Lufthansa
Tue, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
13:51 - 10:30
BOI
-
LHR
13h 39m1 stop
Virgin Atlantic Logo
14:30 - 20:10
LHR
-
BOI
12h 40m1 stop
£461Virgin Atlantic
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
17:24 - 06:40
BOI
-
LHR
30h 16m2 stops
United Airlines Logo
11:10 - 23:48
LHR
-
BOI
19h 38m2 stops
£462United Airlines
Thu, 15 Jan - Thu, 22 Jan
Multiple Airlines Logo
06:53 - 11:50
GEG
-
LHR
20h 57m2 stops
Multiple Airlines Logo
06:35 - 19:16
LHR
-
GEG
20h 41m2 stops
£462Multiple Airlines
Thu, 15 Jan - Wed, 28 Jan
United Airlines Logo
14:40 - 09:40
IDA
-
LHR
12h 00m1 stop
United Airlines Logo
06:35 - 09:56
LHR
-
IDA
34h 21m2 stops
£463United Airlines
Wed, 14 Jan - Sat, 31 Jan
KLM Logo
05:15 - 10:00
GEG
-
LHR
20h 45m1 stop
KLM Logo
06:30 - 15:00
LHR
-
GEG
16h 30m2 stops
£463KLM
Fri, 30 Jan - Fri, 6 Feb
Multiple Airlines Logo
13:15 - 10:00
IDA
-
LHR
13h 45m1 stop
Multiple Airlines Logo
06:20 - 17:51
LHR
-
IDA
18h 31m2 stops
£468Multiple Airlines
Fri, 30 Jan - Fri, 6 Feb
KLM Logo
12:24 - 10:00
LWS
-
LHR
13h 36m1 stop
KLM Logo
17:50 - 20:59
LHR
-
LWS
35h 09m2 stops
£469KLM
Useful Info

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

Low seasonFebruary
Cheapest flight£359
Best time to beat the crowds (7% less expensive on average)
Most popular time to fly (9% 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
Hounslow
Luton
Southend-on-Sea
Swindon
Northampton
Slough
Winchester
Croydon
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)