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

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 London to Idaho.

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

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

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 from London to Idaho with an airline and back with another airline.

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

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

Which airlines provide the cheapest flights from London Heathrow Airport to Idaho?

In the past 5 days, the cheapest round-trip tickets from London Heathrow Airport to Idaho were found on United Airlines ($926) and Lufthansa ($988).

How long does a flight from London Heathrow Airport to Idaho take?

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London Heathrow Airport are to Boise , which takes 14h 42m , and Idaho Falls , which takes 36h 17m.

$549 CHEAP FLIGHTS from London to Idaho

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Flight Deals

Round-tripOne-way

Nonstop only

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Sort by: Cheapest

Boise

13h 59m2 stops

from $829per person

Spokane

13h 59m2 stops

from $945per person

Jackson

12h 44m2 stops

from $1,046per person

Idaho Falls

21h 33m4 stops

from $1,080per person

Hailey

13h 25m3 stops

from $1,082per person

Explore the map

Book Cheap London to Idaho Plane Tickets

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 London to Idaho

Mon, Nov 2 - Thu, Dec 3

12:20 pm - 8:02 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

14h 42m1 stop Seattle/Tacoma Intl

2:05 pm - 10:40 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 35m1 stop Seattle/Tacoma Intl

$829Multiple Airlines

Mon, Nov 2 - Thu, Dec 3

12:20 pm - 8:02 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

14h 42m1 stop Seattle/Tacoma Intl

6:37 am - 7:45 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 08m2 stops Seattle/Tacoma Intl Detroit Metropolitan Wayne County

$840Multiple Airlines

Thu, Oct 15 - Thu, Oct 22

11:45 am - 11:59 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 14m2 stops Amsterdam Schiphol Seattle/Tacoma Intl

6:04 pm - 3:35 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

14h 31m1 stop Seattle/Tacoma Intl

$877Multiple Airlines

Wed, Oct 28 - Wed, Nov 4

12:20 pm - 10:06 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

15h 46m1 stop Seattle/Tacoma Intl

1:53 pm - 10:40 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

13h 47m1 stop Seattle/Tacoma Intl

$895Multiple Airlines

Tue, Oct 27 - Tue, Nov 3

1:30 pm - 6:03 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

34h 33m2 stops Frankfurt am Main Denver Intl

7:10 pm - 9:40 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

31h 30m2 stops San Francisco Denver Intl

$915United Airlines

Wed, Oct 28 - Wed, Nov 4

2:30 pm - 11:19 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

26h 49m2 stops Vancouver Intl San Francisco

12:31 pm - 12:00 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 29m1 stop Chicago O'Hare Intl

$922Multiple Airlines

Tue, Nov 3 - Thu, Dec 3

7:40 am - 11:33 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

22h 53m2 stops Chicago O'Hare Intl San Francisco

8:15 am - 7:25 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 10m1 stop San Francisco

$923United Airlines

Wed, Oct 28 - Wed, Nov 4

2:30 pm - 11:19 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

26h 49m2 stops Vancouver Intl San Francisco

6:30 am - 7:10 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

17h 40m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

$925Air Canada

Mon, Nov 2 - Thu, Dec 3

3:20 pm - 4:42 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

32h 22m2 stops Los Angeles San Francisco

6:15 am - 5:55 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

16h 40m2 stops Denver Intl Chicago O'Hare Intl

$926United Airlines

Thu, Oct 29 - Thu, Nov 5

12:20 pm - 9:25 pmLHR London Heathrow-GEG Spokane

16h 05m1 stop Seattle/Tacoma Intl

12:41 pm - 10:40 amGEG Spokane-LHR London Heathrow

13h 59m1 stop Seattle/Tacoma Intl

$945Multiple Airlines

Recent last minute flight deals from London to Idaho

Sun, Sep 20 - Wed, Oct 21

8:25 pm - 8:40 pmLHR London Heathrow-JAC Jackson Hole

31h 15m2 stops Munich Franz Josef Strauss Denver Intl

2:48 pm - 12:35 pmJAC Jackson Hole-LHR London Heathrow

14h 47m1 stop Denver Intl

$1,538Lufthansa

Sun, Sep 20 - Wed, Oct 21

9:25 pm - 11:22 amLHR London Heathrow-JAC Jackson Hole

44h 57m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

2:48 pm - 4:40 pmJAC Jackson Hole-LHR London Heathrow

18h 52m2 stops Denver Intl Frankfurt am Main

$1,553Multiple Airlines

Sun, Sep 20 - Wed, Oct 21

11:25 am - 8:40 pmLHR London Heathrow-JAC Jackson Hole

16h 15m1 stop Denver Intl

2:48 pm - 12:35 pmJAC Jackson Hole-LHR London Heathrow

14h 47m1 stop Denver Intl

$1,577Lufthansa

Sat, Sep 19 - Sat, Sep 26

9:25 pm - 10:38 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

56h 13m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

1:15 pm - 11:55 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 40m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

$5,912Icelandair

Sat, Sep 19 - Sat, Sep 26

6:40 am - 6:40 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 00m3 stops Stockholm Arlanda Kastrup Copenhagen Seattle/Tacoma Intl

10:34 am - 5:40 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

24h 06m2 stops Seattle/Tacoma Intl Kastrup Copenhagen

$7,917Scandinavian Airlines

Sat, Sep 19 - Sat, Sep 26

5:00 pm - 11:44 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

13h 44m1 stop Seattle/Tacoma Intl

10:00 am - 3:05 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 05m1 stop Seattle/Tacoma Intl

$10,321Alaska Airlines

Sat, Sep 19 - Sat, Sep 26

5:00 pm - 9:09 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 09m2 stops Seattle/Tacoma Intl Spokane

4:20 pm - 3:05 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 45m1 stop Seattle/Tacoma Intl

$10,326Alaska Airlines

Sat, Sep 19 - Sat, Sep 26

8:30 am - 9:37 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

20h 07m3 stops Toronto Pearson Intl Chicago O'Hare Intl Denver Intl

5:00 am - 6:35 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 35m3 stops Denver Intl Chicago O'Hare Intl Toronto Pearson Intl

$22,462Air Canada

Booking Insights

KAYAK's insights & trends for London to Idaho flights

Get data-powered insights and trends into flights from London to Idaho to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

How much is a round-trip flight from London Heathrow Airport to Idaho?

Flight prices are below average for this route right now.

Flights to Idaho from London Heathrow Airport usually cost between $1,020 and $1,062 in November.
The lowest price found in the past 5 days was $829 on Multiple Airlines (Nov 2-Dec 3).

What is the cheapest month to fly from London Heathrow Airport to Idaho?

The cheapest month for flights from London Heathrow Airport to Idaho is March, when tickets cost $854 (return) on average. On the other hand, the most expensive months are August and December, when the average cost of round-trip tickets is $1,526 and $1,294 respectively.

Find deals

Low season	January
High season	August
Cheapest flight	$549

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 41% increase in price.

Flight from London to Boise

How does KAYAK find such low prices on flights from London to Idaho?
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 London to Idaho.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Idaho?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to 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 London to Idaho?
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 from London to Idaho with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Idaho?
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 from London to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

More options for your flight from London to Idaho

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Return flight

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

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$549 Find Cheap Flights from London to Idaho - Compare and Save

Cheap Flights from London to Idaho

Book Cheap London to Idaho Plane Tickets

Recent round-trip flight deals from London to Idaho

Recent one-way flight deals from London to Idaho

Recent last minute flight deals from London to Idaho

KAYAK's insights & trends for London to Idaho flights

How much is a round-trip flight from London Heathrow Airport to Idaho?

What is the cheapest month to fly from London Heathrow Airport to Idaho?

Which airlines provide the cheapest flights from London Heathrow Airport to Idaho?

How long does a flight from London Heathrow Airport to Idaho take?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Idaho flights

More options for your flight from London to Idaho

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

Information on your arrival and departure airports

Cabin class types available on flights to London

Flights from domestic origins to London

Flights to other popular destinations

Flights to popular cities in Idaho

Find deals for your return flight