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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

£212 CHEAP FLIGHTS from Idaho to London Heathrow (LHR)

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

...and more

Travellers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

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

Cheapest return fare

£452

Typical prices: £565-£671

Finnair

Tue 17/2Thu 26/2

BOI - LHR • 1 stop

Cheapest one-way flight

£212

Multiple Airlines

Sun 11/1

GEG - LHR • 3 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

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.

Round-trip

One-way

Last minute

Recent return flight deals from Idaho to Heathrow

Tue, 17 Feb - Thu, 26 Feb

07:00 - 06:50BOI-LHR

16h 50m1 stop

10:35 - 22:36LHR-BOI

19h 01m1 stop

£452Finnair

Find Deal

Wed, 28 Jan - Sun, 1 Feb

13:15 - 10:00IDA-LHR

13h 45m1 stop

11:45 - 17:51LHR-IDA

37h 06m2 stops

£457Delta

Find Deal

Fri, 9 Jan - Fri, 16 Jan

12:19 - 07:55BOI-LHR

12h 36m1 stop

13:35 - 19:13LHR-BOI

36h 38m1 stop

£457Lufthansa

Find Deal

Thu, 8 Jan - Thu, 15 Jan

11:25 - 20:10GEG-LHR

24h 45m2 stops

08:40 - 19:54LHR-GEG

19h 14m2 stops

£459Virgin Atlantic

Find Deal

Fri, 9 Jan - Fri, 16 Jan

06:53 - 07:25GEG-LHR

16h 32m1 stop

10:05 - 19:16LHR-GEG

17h 11m1 stop

£461Lufthansa

Find Deal

Thu, 8 Jan - Thu, 15 Jan

06:30 - 07:05GEG-LHR

16h 35m1 stop

08:40 - 19:54LHR-GEG

19h 14m2 stops

£462Virgin Atlantic

Find Deal

Tue, 17 Feb - Thu, 26 Feb

15:47 - 12:20BOI-LHR

13h 33m1 stop

12:10 - 23:34LHR-BOI

18h 24m2 stops

£462Multiple Airlines

Find Deal

Fri, 23 Jan - Tue, 27 Jan

07:45 - 11:50BOI-LHR

21h 05m2 stops

06:35 - 18:07LHR-BOI

18h 32m2 stops

£468Multiple Airlines

Find Deal

Tue, 17 Feb - Thu, 26 Feb

14:40 - 09:40BOI-LHR

12h 00m1 stop

11:10 - 23:48LHR-BOI

19h 38m2 stops

£469United Airlines

Find Deal

Fri, 23 Jan - Tue, 27 Jan

14:40 - 09:40IDA-LHR

12h 00m1 stop

06:35 - 09:56LHR-IDA

34h 21m2 stops

£475United Airlines

Find Deal

Useful Info

Low season	February
High season	July
Cheapest flight	£212

Best time to beat the crowds (7% less expensive on average)

Most popular time to fly (13% more expensive on average)

Flight from Spokane to London Heathrow Airport

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.

Gatwick

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Eastbourne

Hounslow

Luton

Southend-on-Sea

Northampton

Swindon

Slough

Croydon

Winchester

Stansted

Poole

Folkestone

Chichester

Maidstone

Salisbury

Colchester

Chelmsford

Crawley

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London Heathrow Airport (LHR)

£212 Find Cheap Flights from Idaho to London Heathrow Airport

KAYAK searches hundreds of travel sites at once for deals on flights to London Heathrow Airport

Everything you should know

Cheap Flights from Idaho to Heathrow

Recent return flight deals from Idaho to Heathrow

Recent one-way flight deals from Idaho to Heathrow

Recent last minute flight deals from Idaho to Heathrow

Good to know - Cheap tickets from Idaho 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?

Everything you need to know for your flight to Heathrow

Information on your arrival and departure airports

Cabin class types available on flights to Heathrow

Complete your trip to Heathrow with a hotel stay or car hire

Find direct flights for Heathrow

Flights to other popular destinations

Flights from domestic origins to Idaho

Choose which airport to fly into in London

Find deals for your return flight