£260 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 13/5. 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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Everything you should know

Cheapest return fare
£443
Lufthansa
Tue 24/2Tue 10/3
GEG - LHR • 2 stops
Cheapest one-way flight
£290
United Airlines
Wed 13/5
BOI - LHR • 1 stop
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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

Tue, 24 Feb - Tue, 10 Mar
Lufthansa Logo
12:38 - 19:35
GEG
-
LHR
22h 57m
2 stops
Lufthansa Logo
06:35 - 21:18
LHR
-
GEG
21h 43m
2 stops
£443Lufthansa
Tue, 24 Feb - Tue, 10 Mar
Lufthansa Logo
12:38 - 21:00
GEG
-
LHR
24h 22m
2 stops
Lufthansa Logo
06:35 - 21:18
LHR
-
GEG
21h 43m
2 stops
£445Lufthansa
Wed, 4 Mar - Mon, 9 Mar
Lufthansa Logo
07:00 - 16:50
GEG
-
LHR
25h 50m
2 stops
Lufthansa Logo
06:35 - 21:18
LHR
-
GEG
21h 43m
2 stops
£451Lufthansa
Fri, 27 Feb - Thu, 12 Mar
Multiple Airlines Logo
07:00 - 11:50
GEG
-
LHR
20h 50m
2 stops
Multiple Airlines Logo
07:40 - 21:18
LHR
-
GEG
20h 38m
2 stops
£452Multiple Airlines
Wed, 4 Mar - Mon, 9 Mar
United Airlines Logo
07:00 - 05:55
GEG
-
LHR
14h 55m
1 stop
United Airlines Logo
07:40 - 21:18
LHR
-
GEG
20h 38m
2 stops
£459United Airlines
Mon, 23 Feb - Mon, 2 Mar
Iberia Logo
07:00 - 10:00
BOI
-
LHR
20h 00m
1 stop
Iberia Logo
19:40 - 12:42
LHR
-
BOI
24h 02m
2 stops
£459Iberia
Wed, 4 Mar - Mon, 9 Mar
Delta Logo
06:05 - 10:30
GEG
-
LHR
20h 25m
1 stop
Delta Logo
06:30 - 21:05
LHR
-
GEG
21h 35m
2 stops
£459Delta
Wed, 25 Feb - Tue, 3 Mar
United Airlines Logo
14:40 - 09:40
BOI
-
LHR
12h 00m
1 stop
United Airlines Logo
06:50 - 18:47
LHR
-
BOI
18h 57m
2 stops
£461United Airlines
Tue, 24 Feb - Tue, 3 Mar
Multiple Airlines Logo
05:20 - 07:05
BOI
-
LHR
18h 45m
1 stop
Multiple Airlines Logo
06:30 - 16:15
LHR
-
BOI
16h 45m
2 stops
£462Multiple Airlines
Mon, 23 Feb - Mon, 2 Mar
Delta Logo
05:50 - 08:05
BOI
-
LHR
19h 15m
2 stops
Delta Logo
06:30 - 20:15
LHR
-
BOI
20h 45m
2 stops
£463Delta
Useful Info

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

Low seasonJanuary
Cheapest flight£290
Best time to beat the crowds (6% less expensive on average)
Most popular time to fly (8% more expensive 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
Hounslow
Luton
Southend-on-Sea
Swindon
Northampton
Slough
Winchester
Croydon
Stansted
Folkestone
Poole
Maidstone
Chichester
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)