How does KAYAK find such low prices on flights from Idaho to London?

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.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London 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?

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 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?

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 from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$330 CHEAP FLIGHTS from Idaho to London

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Cheap Flights from Idaho to London

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 London

Sat, Nov 14 - Tue, Nov 17

2:40 pm - 7:35 pm

JAC

LHR

45h 55m

2 stops

9:30 am - 9:02 pm

LHR

JAC

18h 32m

2 stops

$782Lufthansa

Sun, Nov 15 - Tue, Nov 17

10:51 am - 9:40 am

JAC

LHR

15h 49m

1 stop

6:35 am - 9:02 pm

LHR

JAC

21h 27m

2 stops

$816United Airlines

Wed, Oct 7 - Tue, Oct 13

1:46 pm - 1:45 pm

IDA

LHR

16h 59m

1 stop

8:15 am - 9:42 pm

LHR

IDA

20h 27m

2 stops

$866Multiple Airlines

Tue, Sep 15 - Mon, Sep 28

12:14 pm - 5:40 pm

BOI

LHR

22h 26m

2 stops

7:30 pm - 6:40 pm

LHR

BOI

30h 10m

2 stops

$872Scandinavian Airlines

Tue, Sep 8 - Tue, Sep 22

12:14 pm - 4:00 pm

BOI

LHR

20h 46m

2 stops

6:40 am - 6:40 pm

LHR

BOI

19h 00m

2 stops

$873Scandinavian Airlines

Wed, Nov 18 - Wed, Nov 25

5:25 am - 12:00 pm

GEG

LHR

22h 35m

1 stop

7:40 pm - 8:55 pm

LHR

GEG

33h 15m

2 stops

$875Iberia

Wed, Oct 7 - Tue, Oct 13

10:30 am - 1:20 pm

BOI

LHR

19h 50m

2 stops

3:05 pm - 1:03 pm

LHR

BOI

28h 58m

2 stops

$878Air Canada

Wed, Oct 7 - Tue, Oct 13

10:30 am - 1:20 pm

BOI

LHR

19h 50m

2 stops

3:05 pm - 1:03 pm

LHR

BOI

28h 58m

2 stops

$879Air Canada

Fri, Oct 2 - Fri, Oct 23

1:38 pm - 9:35 am

GEG

LHR

59h 57m

2 stops

7:25 am - 8:49 pm

LHR

GEG

21h 24m

2 stops

$887Multiple Airlines

Wed, Nov 18 - Wed, Nov 25

5:25 am - 2:05 pm

GEG

LCY

24h 40m

2 stops

7:50 am - 8:55 pm

LCY

GEG

21h 05m

2 stops

$980Iberia

Useful Info

Low season	January
High season	March
Cheapest flight	$330

Best time to beat the crowds but there is an average 98% increase in price.

Most popular time to fly and prices are also 29% lower on average.

Flight from Spokane to London Heathrow Airport

How does KAYAK find such low prices on flights from Idaho to London?
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.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London 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?
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 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?
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 from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Hounslow

Hayes

Slough

Richmond

Wembley

Luton

Crawley

Ilford

Eastbourne

Watford

Bedford

Colchester

Guildford

Ipswich

Kingston upon Thames

Twickenham

St. Albans

Maidenhead

Newbury

Harrow

Everything you need to know for your flight to London

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Cabin class types available on flights to Idaho

First Class flights to London

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Premium Economy Class flights to London

Economy Class flights to London

$330 Find Cheap Flights from Idaho to London - Compare and Save

Cheap Flights from Idaho to London

Recent round-trip flight deals from Idaho to London

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Recent last minute flight deals from Idaho to London

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Traveling to a place near London?

Everything you need to know for your flight to London

Cabin class types available on flights to Idaho

Complete your trip to London with a hotel stay or car rental

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Choose which airport to fly into in London

Find deals for your return flight