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.

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 Idaho Falls , which takes 17h 30m , and Boise , which takes 18h 02m.

$542 CHEAP FLIGHTS from London to Idaho

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Flight Deals

One-wayRound-trip

Boise2 stops$937

Idaho Falls1 stop$958

Spokane1 stop$815

Boise2 stops$937

Idaho Falls1 stop$958

Spokane1 stop$815

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

Tue, Nov 3 - Tue, Nov 10

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

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

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

16h 29m1 stop Chicago O'Hare Intl

$937United Airlines

Thu, Oct 29 - Wed, Nov 11

2:45 pm - 9:56 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

25h 11m1 stop Seattle/Tacoma Intl

8:20 am - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

21h 00m1 stop Seattle/Tacoma Intl

$940Alaska Airlines

Tue, Nov 3 - Tue, Nov 10

10:55 am - 10:58 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

19h 03m1 stop Los Angeles

7:00 am - 11:35 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

21h 35m1 stop Los Angeles

$942Multiple Airlines

Sun, Nov 1 - Fri, Nov 6

6:40 am - 12:04 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

23h 24m2 stops Kastrup Copenhagen Los Angeles

4:00 pm - 6:30 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

19h 30m2 stops Los Angeles Kastrup Copenhagen

$961Scandinavian Airlines

Fri, Nov 20 - Fri, Nov 27

2:45 pm - 6:26 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

34h 41m1 stop Seattle/Tacoma Intl

2:00 pm - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 20m1 stop Seattle/Tacoma Intl

$962Alaska Airlines

Tue, Nov 3 - Tue, Nov 10

3:00 pm - 6:03 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

34h 03m2 stops Toronto Pearson Intl Denver Intl

8:28 am - 6:30 amBOI Boise Air Term. Gowen Fld-LHR London Heathrow

15h 02m2 stops Chicago O'Hare Intl Toronto Pearson Intl

$965Air Canada

Sun, Nov 1 - Fri, Nov 6

2:45 pm - 11:49 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

16h 04m1 stop Seattle/Tacoma Intl

6:37 am - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

22h 43m1 stop Seattle/Tacoma Intl

$973Alaska Airlines

Fri, Jan 29 - Mon, Feb 1

2:45 pm - 9:16 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

25h 31m2 stops Seattle/Tacoma Intl Spokane

8:12 am - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

21h 08m1 stop Seattle/Tacoma Intl

$976Alaska Airlines

Thu, Oct 29 - Wed, Nov 11

2:45 pm - 9:56 amLHR London Heathrow-BOI Boise Air Term. Gowen Fld

25h 11m1 stop Seattle/Tacoma Intl

10:41 am - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

18h 39m2 stops Las Vegas Harry Reid Intl Seattle/Tacoma Intl

$978Alaska Airlines

Sat, Nov 21 - Sat, Nov 28

2:45 pm - 11:59 pmLHR London Heathrow-BOI Boise Air Term. Gowen Fld

16h 14m1 stop Seattle/Tacoma Intl

9:59 pm - 12:20 pmBOI Boise Air Term. Gowen Fld-LHR London Heathrow

31h 21m1 stop Seattle/Tacoma Intl

$979Alaska Airlines

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

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

Flight prices are typical for this route right now.

Flights to Idaho from London Heathrow Airport usually cost between $858 and $1,158 in November.
The lowest price found in the past 5 days was $937 on United Airlines (Nov 3-Nov 10).

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 February, when tickets cost $0 (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 $1,373 respectively.

Find deals

Low season	January
High season	August
Cheapest flight	$542

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly with an average 38% 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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Complete your trip to Idaho with a hotel stay or car rental

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$542 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?

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