£235 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 14/1. 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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Everything you should know

Cheapest return fare
£426
Typical prices: £558-£664
Virgin Atlantic
Tue 17/2Thu 26/2
BOI - LHR • 1 stop
Cheapest one-way flight
£235
Multiple Airlines
Wed 14/1
BOI - LHR • 3 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!
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, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
07:00 - 10:55
BOI
-
LHR
20h 55m1 stop
Virgin Atlantic Logo
12:20 - 18:22
LHR
-
BOI
13h 02m1 stop
£426Virgin Atlantic
Tue, 17 Feb - Thu, 26 Feb
Virgin Atlantic Logo
12:51 - 10:00
BOI
-
LHR
14h 09m1 stop
Virgin Atlantic Logo
14:30 - 21:56
LHR
-
BOI
14h 26m1 stop
£427Virgin Atlantic
Sun, 1 Feb - Mon, 9 Feb
Iberia Logo
07:20 - 06:50
BOI
-
LHR
16h 30m1 stop
Iberia Logo
19:05 - 13:08
LHR
-
BOI
25h 03m2 stops
£434Iberia
Tue, 17 Feb - Tue, 24 Feb
Lufthansa Logo
14:40 - 09:40
BOI
-
LHR
12h 00m1 stop
Lufthansa Logo
06:30 - 21:32
LHR
-
BOI
22h 02m2 stops
£437Lufthansa
Tue, 17 Feb - Thu, 26 Feb
United Airlines Logo
17:10 - 09:40
BOI
-
LHR
33h 30m1 stop
United Airlines Logo
11:10 - 23:48
LHR
-
BOI
19h 38m2 stops
£439United Airlines
Tue, 13 Jan - Tue, 27 Jan
Multiple Airlines Logo
10:48 - 11:50
BOI
-
LHR
18h 02m2 stops
Multiple Airlines Logo
06:35 - 18:07
LHR
-
BOI
18h 32m2 stops
£439Multiple Airlines
Mon, 23 Mar - Wed, 8 Apr
Lufthansa Logo
14:40 - 09:40
BOI
-
LHR
13h 00m1 stop
Lufthansa Logo
07:25 - 21:36
LHR
-
BOI
21h 11m2 stops
£442Lufthansa
Tue, 13 Jan - Tue, 27 Jan
United Airlines Logo
06:10 - 09:40
BOI
-
LHR
20h 30m1 stop
United Airlines Logo
11:10 - 13:35
LHR
-
BOI
33h 25m2 stops
£442United Airlines
Wed, 25 Feb - Wed, 25 Mar
Finnair Logo
07:00 - 10:00
BOI
-
LHR
20h 00m1 stop
Finnair Logo
08:20 - 22:36
LHR
-
BOI
20h 16m1 stop
£444Finnair
Sun, 11 Jan - Tue, 27 Jan
Delta Logo
18:35 - 10:55
IDA
-
LHR
33h 20m2 stops
Delta Logo
11:45 - 17:51
LHR
-
IDA
37h 06m2 stops
£445Delta
Useful Info

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

Low seasonFebruary
Cheapest flight£235
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (9% 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
Northampton
Swindon
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)