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>

£299 CHEAP FLIGHTS from Idaho to London Heathrow (LHR)

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Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent return flight deals from Idaho to Heathrow

KAYAK's recommended return flight deals from the most popular airlines that fly from Idaho to Heathrow.

Discover the best prices for you by selecting your travel dates on KAYAK.

08:40 - 14:15BOI-LHR

22h 35m1 stop

11:30 - 23:59LHR-BOI

19h 29m2 stops

£521Delta

Find Deal

Sun, 14 Sep - Wed, 8 Oct

14:00 - 11:20BOI-LHR

14h 20m1 stop

06:15 - 16:29LHR-BOI

17h 14m2 stops

£522Delta

Find Deal

Wed, 3 Sep - Tue, 16 Sep

13:17 - 12:15BOI-LHR

15h 58m1 stop

10:30 - 21:14LHR-BOI

17h 44m1 stop

£528American Airlines

Find Deal

Wed, 3 Sep - Tue, 16 Sep

10:38 - 21:40BOI-LHR

28h 02m2 stops

06:40 - 23:20LHR-BOI

23h 40m2 stops

£548Scandinavian Airlines

Find Deal

Wed, 3 Sep - Tue, 16 Sep

10:38 - 18:30BOI-LHR

24h 52m2 stops

07:05 - 23:20LHR-BOI

23h 15m3 stops

£550Scandinavian Airlines

Find Deal

Wed, 3 Sep - Tue, 16 Sep

14:25 - 12:50GEG-LHR

14h 25m1 stop

12:00 - 22:55LHR-GEG

18h 55m1 stop

£575American Airlines

Find Deal

Wed, 30 Jul - Wed, 13 Aug

17:39 - 12:20BOI-LHR

11h 41m1 stop

15:50 - 11:31LHR-BOI

26h 41m2 stops

£575United Airlines

Find Deal

Wed, 3 Sep - Tue, 16 Sep

13:41 - 10:50BOI-LHR

14h 09m1 stop

10:30 - 21:14LHR-BOI

17h 44m1 stop

£588Finnair

Find Deal

Wed, 3 Sep - Tue, 16 Sep

08:20 - 08:35BOI-LHR

17h 15m2 stops

14:05 - 18:34LHR-BOI

35h 29m2 stops

£608United Airlines

Find Deal

Wed, 1 Oct - Sat, 11 Oct

07:30 - 09:00BOI-LHR

18h 30m1 stop

10:30 - 21:14LHR-BOI

17h 44m1 stop

£662Finnair

Find Deal

Fri, 19 Sep - Sun, 5 Oct

Useful Info

Low season	February
High season	July
Cheapest flight	£299

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly (19% 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

Luton

Swindon

Northampton

Southend-on-Sea

Winchester

Croydon

Slough

Stansted

Poole

Chichester

Maidstone

Folkestone

Salisbury

Colchester

Crawley

Chelmsford

Hastings

Everything you need to know for your flight to Heathrow

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London Heathrow Airport (LHR)

£299 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 30/7. 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.

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

Cheap Flight Deals 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

Low season

High season

Cheapest flight

FAQs for booking Idaho to London Heathrow Airport flights

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Idaho to London Heathrow Airport?

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to London Heathrow Airport?

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

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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

Find direct flights for Heathrow

Flights to other popular destinations

The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Flights from domestic origins to Idaho

Flights from all regions of Idaho to Heathrow. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

Choose which airport to fly into in London

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