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 travelers 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 round-trip 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>

$352 CHEAP FLIGHTS from Idaho to London Heathrow (LHR)

LHR

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

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41,299,237 searches in the past 7 days on KAYAK

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Cheapest round-trip

$577

Typical prices: $746-$938

Iberia

Tue 3/3Tue 3/10

GEG - LHR • 1 stop

Cheapest one-way

$352

Typical prices: $488-$560

Multiple Airlines

Tue 4/21

GEG - LHR • 2 stops

Start a new search

KAYAK searches 100s 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 round-trip 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 round-trip flight deals from Idaho to Heathrow

Tue, Mar 3 - Tue, Mar 10

6:00 am - 6:50 am

GEG

LHR

16h 50m

1 stop

8:50 pm - 9:12 pm

LHR

GEG

31h 22m

2 stops

$577Iberia

Tue, Feb 24 - Tue, Mar 10

6:00 am - 6:50 am

GEG

LHR

16h 50m

1 stop

8:50 pm - 9:12 pm

LHR

GEG

31h 22m

2 stops

$578Iberia

Tue, Feb 17 - Wed, Mar 4

6:00 am - 6:50 am

GEG

LHR

16h 50m

1 stop

7:35 am - 9:12 pm

LHR

GEG

21h 37m

2 stops

$580Iberia

Tue, Feb 17 - Thu, Feb 26

5:00 am - 9:40 am

BOI

LHR

21h 40m

1 stop

11:10 am - 11:48 pm

LHR

BOI

19h 38m

2 stops

$586United Airlines

Tue, Feb 17 - Tue, Feb 24

5:00 am - 7:10 am

BOI

LHR

19h 10m

2 stops

3:00 pm - 1:38 pm

LHR

BOI

29h 38m

2 stops

$588Air Canada

Tue, Feb 17 - Thu, Feb 26

7:00 am - 9:15 am

BOI

LHR

19h 15m

2 stops

8:50 pm - 10:22 pm

LHR

BOI

32h 32m

2 stops

$591Iberia

Tue, Feb 17 - Fri, Feb 27

6:25 am - 9:40 am

BOI

LHR

20h 15m

1 stop

11:10 am - 4:02 pm

LHR

BOI

35h 52m

2 stops

$593United Airlines

Wed, Mar 4 - Wed, Mar 11

12:25 pm - 11:35 am

GEG

LHR

15h 10m

1 stop

2:25 pm - 11:14 pm

LHR

GEG

15h 49m

1 stop

$608American Airlines

Tue, Mar 3 - Tue, Mar 10

1:44 pm - 2:35 pm

JAC

LHR

17h 51m

2 stops

2:45 pm - 2:23 pm

LHR

JAC

29h 38m

1 stop

$612American Airlines

Tue, May 5 - Fri, May 15

1:29 pm - 10:30 am

BOI

LHR

14h 01m

1 stop

12:55 pm - 10:38 pm

LHR

BOI

16h 43m

1 stop

$614Finnair

Useful Info

Low season	January
High season	July
Cheapest flight	$352

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly with an average 18% increase in price.

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 travelers 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 round-trip 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.

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Hayes

Wembley

Richmond

Luton

Salisbury

Ilford

Crawley

Watford

Eastbourne

Guildford

Kingston upon Thames

Colchester

Swindon

St. Albans

Northampton

Twickenham

Ipswich

Bedford

Everything you need to know for your flight to Heathrow

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Information on your arrival and departure airports

London Heathrow Airport (LHR)

LHR

$352 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 round-trip 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

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 travelers 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 round-trip 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.

Traveling 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 rental

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