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>

£252 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

Save 25% 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.

Cheapest return fare

£426

Typical prices: £552-£644

Virgin Atlantic

mar 17/2gio 26/2

BOI - LHR • 1 stop

Cheapest one-way flight

£252

Multiple Airlines

mar 17/2

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

mar, 17 feb - gio, 26 feb

10:45 - 10:00

BOI

LHR

16h 15m1 stop

11:05 - 20:55

LHR

BOI

16h 50m1 stop

£426Virgin Atlantic

mar, 24 feb - mar, 10 mar

06:00 - 10:00

GEG

LHR

20h 00m1 stop

20:50 - 21:12

LHR

GEG

31h 22m2 stops

£430Iberia

mar, 17 feb - mar, 24 feb

07:00 - 06:50

BOI

LHR

16h 50m1 stop

20:50 - 22:22

LHR

BOI

32h 32m2 stops

£431Iberia

mer, 4 feb - mer, 11 feb

06:00 - 11:40

GEG

LHR

21h 40m1 stop

20:50 - 21:12

LHR

GEG

32h 22m2 stops

£431Iberia

mer, 28 gen - gio, 5 feb

10:48 - 11:50

BOI

LHR

18h 02m2 stops

14:30 - 23:48

LHR

BOI

40h 18m2 stops

£436Air Canada

dom, 18 gen - mar, 3 feb

05:25 - 07:50

IDA

LHR

19h 25m2 stops

17:50 - 17:51

LHR

IDA

31h 01m2 stops

£443Multiple Airlines

dom, 22 feb - dom, 1 mar

06:45 - 07:05

GEG

LHR

16h 20m1 stop

08:40 - 19:57

LHR

GEG

19h 17m2 stops

£444KLM

dom, 18 gen - mar, 3 feb

05:25 - 07:05

IDA

LHR

18h 40m2 stops

10:45 - 17:51

LHR

IDA

14h 06m1 stop

£446Multiple Airlines

mer, 4 mar - lun, 9 mar

07:00 - 07:25

GEG

LHR

16h 25m1 stop

07:40 - 21:03

LHR

GEG

20h 23m2 stops

£447Lufthansa

mar, 7 apr - mar, 14 apr

13:11 - 09:50

IDA

LHR

13h 39m1 stop

10:55 - 18:17

LHR

IDA

14h 22m1 stop

£465KLM

Useful Info

Low season	January
High season	July
Cheapest flight	£252

Best time to beat the crowds (2% less expensive on average)

Most popular time to fly (9% 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

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

Airports

Cabin class

Complete your trip

Direct flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on your arrival and departure airports

London Heathrow Airport (LHR)

£252 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