£255 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 9/5. 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

Mon, 17 Aug - Tue, 25 Aug
Scandinavian Airlines Logo
15:30 - 16:00
BOI
-
LHR
41h 30m
2 stops
Scandinavian Airlines Logo
06:40 - 23:04
LHR
-
BOI
23h 24m
2 stops
£552Scandinavian Airlines
Tue, 28 Apr - Tue, 5 May
Icelandair Logo
16:38 - 20:20
BOI
-
LHR
20h 42m
2 stops
Icelandair Logo
13:05 - 23:02
LHR
-
BOI
16h 57m
2 stops
£619Icelandair
Mon, 27 Apr - Mon, 11 May
Icelandair Logo
16:38 - 20:20
BOI
-
LHR
20h 42m
2 stops
Icelandair Logo
21:25 - 23:02
LHR
-
BOI
32h 37m
2 stops
£620Icelandair
Tue, 5 May - Tue, 12 May
Icelandair Logo
16:38 - 20:20
BOI
-
LHR
20h 42m
2 stops
Icelandair Logo
13:05 - 23:02
LHR
-
BOI
16h 57m
2 stops
£625Icelandair
Tue, 5 May - Tue, 12 May
Lufthansa Logo
14:26 - 18:40
BOI
-
LHR
21h 14m
2 stops
Lufthansa Logo
07:25 - 22:50
LHR
-
BOI
22h 25m
2 stops
£636Lufthansa
Mon, 6 Apr - Mon, 13 Apr
Virgin Atlantic Logo
12:45 - 10:00
BOI
-
LHR
14h 15m
1 stop
Virgin Atlantic Logo
12:25 - 20:29
LHR
-
BOI
15h 04m
1 stop
£648Virgin Atlantic
Wed, 13 May - Wed, 27 May
Lufthansa Logo
12:25 - 20:45
GEG
-
LHR
24h 20m
2 stops
Lufthansa Logo
10:50 - 23:51
LHR
-
GEG
21h 01m
2 stops
£660Lufthansa
Wed, 12 Aug - Tue, 15 Sep
United Airlines Logo
12:57 - 14:10
GEG
-
LHR
17h 13m
1 stop
United Airlines Logo
07:25 - 22:22
LHR
-
GEG
22h 57m
2 stops
£662United Airlines
Mon, 4 May - Mon, 18 May
Multiple Airlines Logo
06:00 - 13:20
GEG
-
LHR
23h 20m
2 stops
Multiple Airlines Logo
19:30 - 21:40
LHR
-
GEG
34h 10m
2 stops
£667Multiple Airlines
Wed, 29 Apr - Wed, 20 May
United Airlines Logo
12:35 - 14:10
GEG
-
LHR
17h 35m
1 stop
United Airlines Logo
14:05 - 15:12
LHR
-
GEG
33h 07m
2 stops
£668United Airlines
Useful Info

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

Low seasonJanuary
Cheapest flight£255
Best time to beat the crowds (12% less expensive on average)
Most popular time to fly (8% 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
Northampton
Swindon
Slough
Winchester
Croydon
Stansted
Folkestone
Poole
Chichester
Maidstone
Colchester
Salisbury
Chelmsford
Crawley

Everything you need to know for your flight to Heathrow

Information on your arrival and departure airports

London Heathrow Airport (LHR)