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 return 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.

£240 CHEAP FLIGHTS from Idaho to London

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Idaho to London

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

Return

One-way

Last minute

Recent return flight deals from Idaho to London

Tue, 27 Oct - Tue, 3 Nov

07:00 - 08:15BOI Boise Air Term. Gowen Fld-LHR London Heathrow

19h 15m1 stop Dallas/Fort Worth

06:05 - 22:42LHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 37m2 stops Madrid Barajas Dallas/Fort Worth

£536Iberia

Mon, 22 Feb - Wed, 3 Mar

07:00 - 12:00BOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 00m1 stop Dallas/Fort Worth

07:35 - 21:30LHR London Heathrow-BOI Boise Air Term. Gowen Fld

20h 55m2 stops Madrid Barajas Dallas/Fort Worth

£540Iberia

Tue, 27 Oct - Tue, 3 Nov

07:00 - 10:35BOI Boise Air Term. Gowen Fld-LHR London Heathrow

21h 35m2 stops Dallas/Fort Worth Madrid Barajas

07:30 - 22:42LHR London Heathrow-BOI Boise Air Term. Gowen Fld

22h 12m2 stops Madrid Barajas Dallas/Fort Worth

£543Iberia

Wed, 28 Oct - Wed, 4 Nov

14:51 - 09:40BOI Boise Air Term. Gowen Fld-LHR London Heathrow

12h 49m1 stop Denver Intl

13:00 - 11:31LHR London Heathrow-BOI Boise Air Term. Gowen Fld

29h 31m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

£545United Airlines

Mon, 22 Feb - Wed, 3 Mar

07:00 - 13:30BOI Boise Air Term. Gowen Fld-LHR London Heathrow

23h 30m2 stops Dallas/Fort Worth Madrid Barajas

06:15 - 21:30LHR London Heathrow-BOI Boise Air Term. Gowen Fld

22h 15m2 stops Madrid Barajas Dallas/Fort Worth

£547Iberia

Wed, 28 Oct - Wed, 4 Nov

13:05 - 11:40IDA Idaho Falls Fanning Field-LHR London Heathrow

16h 35m2 stops Salt Lake City Atlanta Hartsfield-Jackson

06:20 - 22:10LHR London Heathrow-IDA Idaho Falls Fanning Field

22h 50m2 stops Paris Charles de Gaulle Salt Lake City

£547Air France

Mon, 2 Nov - Wed, 11 Nov

05:00 - 12:20GEG Spokane-LHR London Heathrow

23h 20m1 stop Seattle/Tacoma Intl

14:45 - 14:22LHR London Heathrow-GEG Spokane

31h 37m1 stop Seattle/Tacoma Intl

£550Alaska Airlines

Tue, 29 Sep - Wed, 7 Oct

08:15 - 11:10BOI Boise Air Term. Gowen Fld-LHR London Heathrow

19h 55m1 stop San Francisco

07:25 - 19:29LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 04m2 stops Munich Franz Josef Strauss San Francisco

£550United Airlines

Wed, 30 Sep - Wed, 7 Oct

05:00 - 06:30BOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 30m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

07:25 - 19:29LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 04m2 stops Munich Franz Josef Strauss San Francisco

£553United Airlines

Tue, 29 Sep - Wed, 7 Oct

06:25 - 07:15BOI Boise Air Term. Gowen Fld-LHR London Heathrow

17h 50m2 stops Denver Intl Newark

07:25 - 19:29LHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 04m2 stops Munich Franz Josef Strauss San Francisco

£554United Airlines

Recent last minute flight deals from Idaho to London

Mon, 21 Sep - Tue, 6 Oct

12:38 - 11:20GEG Spokane-LHR London Heathrow

14h 42m1 stop Atlanta Hartsfield-Jackson

11:45 - 21:10LHR London Heathrow-GEG Spokane

17h 25m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£547Multiple Airlines

Mon, 21 Sep - Tue, 6 Oct

17:49 - 15:35GEG Spokane-LHR London Heathrow

13h 46m1 stop Seattle/Tacoma Intl

11:40 - 18:45LHR London Heathrow-GEG Spokane

15h 05m1 stop Seattle/Tacoma Intl

£553Virgin Atlantic

Mon, 21 Sep - Tue, 6 Oct

12:38 - 16:15GEG Spokane-LHR London Heathrow

19h 37m2 stops Atlanta Hartsfield-Jackson Amsterdam Schiphol

06:30 - 23:59LHR London Heathrow-GEG Spokane

25h 29m2 stops Amsterdam Schiphol Los Angeles

£570KLM

Sun, 20 Sep - Mon, 28 Sep

13:00 - 15:35GEG Spokane-LHR London Heathrow

18h 35m1 stop Seattle/Tacoma Intl

09:55 - 21:15LHR London Heathrow-GEG Spokane

19h 20m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£592Delta

Sun, 20 Sep - Mon, 28 Sep

13:00 - 15:35GEG Spokane-LHR London Heathrow

18h 35m1 stop Seattle/Tacoma Intl

09:20 - 21:37LHR London Heathrow-GEG Spokane

20h 17m1 stop Atlanta Hartsfield-Jackson

£597Delta

Sun, 20 Sep - Mon, 28 Sep

20:39 - 15:05GEG Spokane-LHR London Heathrow

34h 26m1 stop Seattle/Tacoma Intl

17:00 - 23:59LHR London Heathrow-GEG Spokane

14h 59m1 stop Seattle/Tacoma Intl

£601Alaska Airlines

Sat, 19 Sep - Tue, 22 Sep

17:21 - 15:05GEG Spokane-LHR London Heathrow

13h 44m1 stop Seattle/Tacoma Intl

17:00 - 22:25LHR London Heathrow-GEG Spokane

13h 25m1 stop Seattle/Tacoma Intl

£604Alaska Airlines

Sun, 20 Sep - Tue, 22 Sep

17:21 - 15:05GEG Spokane-LHR London Heathrow

13h 44m1 stop Seattle/Tacoma Intl

17:00 - 23:59LHR London Heathrow-GEG Spokane

14h 59m1 stop Seattle/Tacoma Intl

£615Alaska Airlines

Sun, 20 Sep - Mon, 28 Sep

17:49 - 15:35GEG Spokane-LHR London Heathrow

13h 46m1 stop Seattle/Tacoma Intl

08:40 - 21:15LHR London Heathrow-GEG Spokane

20h 35m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

£620Delta

Sun, 20 Sep - Mon, 28 Sep

19:06 - 20:10GEG Spokane-LHR London Heathrow

17h 04m2 stops Salt Lake City New York John F Kennedy Intl

09:55 - 22:54LHR London Heathrow-GEG Spokane

20h 59m2 stops Amsterdam Schiphol Minneapolis St Paul

£623Delta

Useful Info

Low season	January
High season	September
Cheapest flight	£240

Best time to beat the crowds but there is an average 166% increase in price.

Most popular time to fly and prices are also 17% 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 return 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.

Gatwick

Eastbourne

Milton Keynes

Hounslow

Luton

Southend-on-Sea

Newport

Folkestone

Winchester

Slough

Croydon

Stansted

Colchester

Chichester

Crawley

Maidstone

Chelmsford

Hastings

Bedford

Richmond

More options for your flight to London

Add a hotel or car hire

Cabin class

Direct flights

Origins

Other airports

Other destinations

Return flight

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

£240 Find Cheap Flights from Idaho to London – Compare and Save

Cheap Flights from Idaho to London

Recent return flight deals from Idaho to London

Recent one-way flight deals from Idaho to London

Recent last minute flight deals from Idaho to London

Good to know - Cheap tickets from Idaho to London

Low season

High season

Cheapest flight

FAQs for booking flights from Idaho to London

Travelling to a place near London?

More options for your flight to London

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

Cabin class types available on flights to Idaho

Find direct flights for London

Flights from domestic origins to London

Choose which airport to fly into in London

Flights to other popular destinations

Find deals for your return flight