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 to Idaho?

In the past 5 days, the cheapest round-trip tickets from London to Idaho were found on Scandinavian Airlines ($778) and United Airlines ($918).

Which airlines provide the cheapest flights from London to Idaho?

In the past 5 days, the cheapest round-trip tickets from London to Idaho were found on Scandinavian Airlines ($778) and United Airlines ($918).

How long does a flight from London to Idaho take?

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London are to Boise , which takes 18h 01m , Hailey , which takes 22h 37m, and Idaho Falls , which takes 26h 42m.

How long does a flight from London to Idaho take?

The duration of a flight to Idaho depends on your arrival airport. The shortest routes to Idaho from London are to Boise , which takes 18h 01m , Hailey , which takes 22h 37m, and Idaho Falls , which takes 26h 42m.

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

Flight prices are below average for this route right now. Flights to Idaho from London usually cost between $1,128 and $1,436 in September. The lowest price found in the past 5 days was $767 on Scandinavian Airlines (Sep 18-Sep 25).

$485 CHEAP FLIGHTS from London to Idaho

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Flight Deals

One-wayRound-trip

Hailey2 stops$1,226

Spokane2 stops$777

Hailey2 stops$1,226

Spokane2 stops$777

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

Fri, Sep 18 - Fri, Sep 25

7:30 pm - 10:34 pm

LHR

BOI

34h 04m

2 stops

4:00 pm - 4:00 pm

BOI

LHR

41h 00m

2 stops

$767Scandinavian Airlines

Tue, Sep 8 - Tue, Oct 6

6:40 am - 6:50 pm

LHR

GEG

20h 10m

2 stops

11:18 am - 9:40 pm

GEG

LHR

26h 22m

2 stops

$777Scandinavian Airlines

Thu, Sep 3 - Wed, Sep 16

3:40 pm - 11:59 pm

LGW

GEG

16h 19m

2 stops

7:03 am - 2:40 pm

GEG

LGW

23h 37m

2 stops

$869Multiple Airlines

Tue, Sep 8 - Tue, Oct 6

4:25 pm - 11:55 am

LHR

GEG

27h 30m

1 stop

6:00 am - 10:15 am

GEG

LHR

20h 15m

2 stops

$896Finnair

Tue, Sep 8 - Tue, Oct 6

8:55 am - 11:55 am

LHR

GEG

35h 00m

1 stop

2:15 pm - 9:40 am

GEG

LHR

35h 25m

2 stops

$904Finnair

Mon, Oct 19 - Fri, Oct 23

10:20 am - 11:58 pm

LGW

BOI

20h 38m

2 stops

2:08 pm - 6:50 pm

BOI

LGW

21h 42m

2 stops

$927Multiple Airlines

Wed, Sep 16 - Wed, Sep 23

2:10 pm - 11:06 am

LHR

BOI

27h 56m

2 stops

10:31 am - 12:35 pm

BOI

LHR

19h 04m

1 stop

$932United Airlines

Tue, Sep 8 - Tue, Oct 6

3:40 pm - 11:11 pm

LGW

GEG

39h 31m

2 stops

4:38 pm - 2:40 pm

GEG

LGW

38h 02m

2 stops

$964Icelandair

Tue, Sep 8 - Tue, Oct 6

1:00 pm - 11:59 pm

LGW

GEG

18h 59m

2 stops

4:38 pm - 2:40 pm

GEG

LGW

38h 02m

2 stops

$979Icelandair

Wed, Dec 2 - Sun, Dec 6

1:35 pm - 1:57 pm

LHR

JAC

31h 22m

2 stops

4:25 pm - 8:35 pm

JAC

LHR

21h 10m

2 stops

$1,186United 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

Airlines

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

The cheapest month for flights from London to Idaho is January, when tickets cost $673 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of round-trip tickets is $884 and $793 respectively.

Find deals

Low season	May
High season	June

Best time to beat the crowds but there is an average 9% increase in price.

Most popular time to fly with an average 14% increase in price.

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.

Everything you need to know for your flight from London to Idaho

Cabin class

Complete your trip

Flights to other cities

Origins

Popular routes

Return flight deals

Cabin class types available on flights to Idaho

First Class flights from London to Idaho

Business Class flights from London to Idaho

Premium Economy Class flights from London to Idaho

Economy Class flights from London to Idaho

$485 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 to Idaho?

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

Which airlines provide the cheapest flights from London to Idaho?

How long does a flight from London to Idaho take?

Good to know

Low season

High season

FAQs - booking Idaho flights

Everything you need to know for your flight from London to Idaho

Cabin class types available on flights to Idaho

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

Flights to other popular destinations

Flights from other airports in London to Idaho

Flights from London to popular cities in Idaho

Find deals for your return flight