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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$309 CHEAP FLIGHTS from Idaho to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

...and more

Travelers love KAYAK

41.299.237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$577

Iberia

Tue 2/24Tue 3/10

GEG - LHR • 1 stop

Cheapest one-way

$309

Multiple Airlines

Sat 2/28

BOI - LGW • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to London!

Flight Deals

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

Tue, Feb 24 - Tue, Mar 10

6:00 am - 6:50 am

GEG

LHR

16h 50m

1 stop

8:50 pm - 9:12 pm

LHR

GEG

31h 22m

2 stops

$577Iberia

Tue, Feb 17 - Tue, Feb 24

7:00 am - 10:00 am

BOI

LHR

20h 00m

1 stop

8:50 pm - 10:22 pm

LHR

BOI

32h 32m

2 stops

$578Iberia

Tue, Feb 24 - Tue, Mar 10

6:00 am - 6:50 am

GEG

LHR

16h 50m

1 stop

8:50 pm - 9:12 pm

LHR

GEG

31h 22m

2 stops

$578Iberia

Mon, Feb 16 - Fri, Feb 27

6:25 am - 9:40 am

BOI

LHR

20h 15m

1 stop

6:00 pm - 9:32 pm

LHR

BOI

34h 32m

2 stops

$592United Airlines

Sat, Feb 14 - Thu, Feb 26

2:40 pm - 6:30 am

BOI

LHR

32h 50m

2 stops

2:30 pm - 11:38 pm

LHR

BOI

40h 08m

2 stops

$593Air Canada

Tue, Feb 10 - Wed, Feb 25

2:37 pm - 9:40 am

BOI

LHR

12h 03m

1 stop

6:35 am - 11:48 pm

LHR

BOI

24h 13m

2 stops

$596United Airlines

Tue, Feb 17 - Thu, Feb 26

7:00 am - 10:00 am

BOI

LHR

20h 00m

1 stop

8:20 am - 10:22 pm

LHR

BOI

21h 02m

1 stop

$599Finnair

Tue, Feb 17 - Thu, Feb 26

7:00 am - 10:00 am

BOI

LHR

20h 00m

1 stop

8:20 am - 10:22 pm

LHR

BOI

21h 02m

1 stop

$601Finnair

Wed, Mar 4 - Mon, Mar 9

12:38 pm - 9:00 pm

GEG

LHR

24h 22m

2 stops

7:40 am - 9:18 pm

LHR

GEG

20h 38m

2 stops

$608Lufthansa

Thu, Feb 19 - Thu, Feb 26

1:44 pm - 5:40 pm

GEG

LCY

19h 56m

2 stops

9:40 am - 9:17 pm

LCY

GEG

19h 37m

2 stops

$652Lufthansa

Useful Info

Low season	January
High season	April
Cheapest flight	$309

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly and prices are also 16% lower on average.

Flight from Boise to London Gatwick 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

Slough

Hayes

Wembley

Richmond

Luton

Ilford

Crawley

Watford

Eastbourne

Guildford

Kingston upon Thames

Colchester

St. Albans

Twickenham

Ipswich

Bedford

Barnet

Hastings

Harrow

Everything you need to know for your flight to London

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Idaho

First Class flights to London

Business Class flights to London

Premium Economy Class flights to London

Economy Class flights to London

$309 Find Cheap Flights from Idaho to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Everything you should know

Cheap Flights from Idaho to London

Recent round-trip 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

FAQs for booking flights from Idaho to London

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.

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

Find direct flights for London

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London

Find deals for your return flight