How long does it take to fly to London Gatwick Airport?

On average, it takes 12h 15m to fly from Idaho to London Gatwick Airport if you fly out of Idaho Falls (the most popular airport in Idaho) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of Boise and into London Heathrow Airport, then the flight time is around 14h 51m.

When did momondo last update prices for flights from Idaho to London Gatwick Airport?

Prices for flights from Idaho to London Gatwick Airport refresh daily.

How old do you have to be to fly from Idaho to London Gatwick Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$343 Cheap Flights from Idaho to London Gatwick Airport in 2026

Find the cheapest flights from Idaho to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:28 pm - 4:00 pm

BOI

LGW

17h 32m

2 stops

10:25 am - 10:08 pm

LGW

BOI

18h 43m

2 stops

$912Delta

Tue, Sep 29 - Wed, Oct 7

2:16 pm - 6:50 pm

BOI

LGW

21h 34m

2 stops

10:20 am - 11:58 pm

LGW

BOI

20h 38m

2 stops

$938Multiple Airlines

Tue, Sep 29 - Wed, Oct 7

2:16 pm - 6:50 pm

BOI

LGW

21h 34m

2 stops

10:20 am - 11:58 pm

LGW

BOI

20h 38m

2 stops

$941Multiple Airlines

Tue, Sep 29 - Wed, Oct 7

1:10 pm - 3:45 pm

JAC

LGW

19h 35m

2 stops

4:45 pm - 4:29 pm

LGW

JAC

30h 44m

2 stops

$967Air France

Sun, Nov 1 - Sun, Nov 8

10:35 am - 9:40 am

BOI

LGW

16h 05m

2 stops

10:25 am - 10:30 pm

LGW

BOI

19h 05m

2 stops

$976Delta

Mon, Aug 10 - Thu, Aug 20

4:20 pm - 4:00 pm

GEG

LGW

15h 40m

2 stops

10:35 am - 9:15 pm

LGW

GEG

18h 40m

2 stops

$976Delta

Wed, Aug 12 - Tue, Sep 15

10:35 am - 9:40 am

BOI

LGW

16h 05m

2 stops

10:25 am - 10:30 pm

LGW

BOI

19h 05m

2 stops

$977Delta

Mon, Aug 10 - Thu, Aug 20

3:36 pm - 4:00 pm

BOI

LGW

17h 24m

2 stops

10:35 am - 10:08 pm

LGW

BOI

18h 33m

2 stops

$991Delta

Wed, Oct 7 - Tue, Oct 13

2:08 pm - 6:45 pm

BOI

LGW

21h 37m

2 stops

10:20 am - 10:06 pm

LGW

BOI

18h 46m

2 stops

$1,005Multiple Airlines

Wed, Oct 7 - Tue, Oct 13

10:35 am - 9:25 am

BOI

LGW

15h 50m

2 stops

10:25 am - 9:57 pm

LGW

BOI

18h 32m

2 stops

$1,019Air France

Sun, Aug 16 - Sun, Aug 23

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Delta flights from Idaho to London Gatwick Airport

Our best Delta deals on Idaho to London Gatwick Airport flight tickets

Delta

Oct 12

GEG3:30 pmSpokane

16h 30m

2 stops

LGW4:00 pmLondon Gatwick

Oct 28

LGW10:00 amLondon Gatwick

18h 10m

2 stops

GEG9:10 pmSpokane

$912

Delta

Oct 3

GEG6:45 amSpokane

18h 35m

2 stops

LGW9:20 amLondon Gatwick

Oct 27

LGW10:00 amLondon Gatwick

20h 59m

2 stops

GEG11:59 pmSpokane

$962

Delta

Aug 10

BOI10:35 amBoise Air Term. Gowen Fld

16h 05m

2 stops

LGW9:40 amLondon Gatwick

Aug 20

LGW10:25 amLondon Gatwick

19h 05m

2 stops

BOI10:30 pmBoise Air Term. Gowen Fld

$976

Icelandair flights from Idaho to London Gatwick Airport

Our best Icelandair deals on Idaho to London Gatwick Airport flight tickets

Icelandair

Sep 14

GEG1:36 pmSpokane

17h 04m

2 stops

LGW2:40 pmLondon Gatwick

Sep 25

LGW3:40 pmLondon Gatwick

16h 19m

2 stops

GEG11:59 pmSpokane

$1,178

Icelandair

Sep 26

GEG3:34 pmSpokane

15h 06m

2 stops

LGW2:40 pmLondon Gatwick

Oct 9

LGW3:40 pmLondon Gatwick

16h 14m

2 stops

GEG11:54 pmSpokane

$1,279

Icelandair

Jul 21

GEG7:45 pmSpokane

32h 00m

2 stops

LGW11:45 amLondon Gatwick

Aug 4

LGW1:00 pmLondon Gatwick

18h 59m

2 stops

GEG11:59 pmSpokane

$1,357

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 9/29

3:28 pm-4:00 pm

2 stops17h 32m

London Gatwick

Wed 10/7

10:25 am-10:08 pm

2 stops18h 43m

$912

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 9/29

2:16 pm-6:50 pm

2 stops21h 34m

London Gatwick

Wed 10/7

10:20 am-11:58 pm

2 stops20h 38m

$938

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 9/29

2:16 pm-6:50 pm

2 stops21h 34m

London Gatwick

Wed 10/7

10:20 am-11:58 pm

2 stops20h 38m

$941

JacksonLondon

JAC - LGW

JACLGW

Jackson Hole

Sun 11/1

1:10 pm-3:45 pm

2 stops19h 35m

London Gatwick

Sun 11/8

4:45 pm-4:29 pm

2 stops30h 44m

$967

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 8/10

10:35 am-9:40 am

2 stops16h 05m

London Gatwick

Thu 8/20

10:25 am-10:30 pm

2 stops19h 05m

$976

Quickest round-trip

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 8/12

4:20 pm-4:00 pm

2 stops15h 40m

London Gatwick

Tue 9/15

10:35 am-9:15 pm

2 stops18h 40m

$976

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 8/10

10:35 am-9:40 am

2 stops16h 05m

London Gatwick

Thu 8/20

10:25 am-10:30 pm

2 stops19h 05m

$977

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 10/7

3:36 pm-4:00 pm

2 stops17h 24m

London Gatwick

Tue 10/13

10:35 am-10:08 pm

2 stops18h 33m

$991

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 10/7

2:08 pm-6:45 pm

2 stops21h 37m

London Gatwick

Tue 10/13

10:20 am-10:06 pm

2 stops18h 46m

$1,005

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Sun 8/16

10:35 am-9:25 am

2 stops15h 50m

London Gatwick

Sun 8/23

10:25 am-9:57 pm

2 stops18h 32m

$1,019

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Airlines

Other information

What is the cheapest airline that flies from Idaho to London Gatwick?

Iberia, Delta, and Icelandair are the most popular carriers operating from Idaho to London Gatwick

Cheap Idaho to London Gatwick Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to London Gatwick Airport

Fastest flight time	15h 40m
Direct flights	None

The fastest flight from Idaho to London Gatwick Airport takes 15h 40m

There are no direct flights from Idaho to London Gatwick Airport. There are no popular flight routes from Idaho to London Gatwick Airport.

Search flight deals

Frequently asked questions about flying from Idaho to London Gatwick Airport

When did momondo last update prices for flights from Idaho to London Gatwick Airport?
Prices for flights from Idaho to London Gatwick Airport refresh daily.
How old do you have to be to fly from Idaho to London Gatwick Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The required travel and health documents for your London Gatwick Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Hounslow

Gatwick

Milton Keynes

Luton

Hayes

Dover

Crawley

Croydon

Wembley

Stansted

Harrow

Slough

Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

Uxbridge

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to London?

It is quick and easy to find Idaho to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Idaho to London with flexible booking policies on momondo?

Yes. All flights to London from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to London?

momondo helps you find the best flight between Idaho and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Idaho to London from $343

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to London departing on 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Idaho to London Gatwick Airport

Our best Delta deals on Idaho to London Gatwick Airport flight tickets

Icelandair flights from Idaho to London Gatwick Airport

Our best Icelandair deals on Idaho to London Gatwick Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to London Gatwick Airport that are best for you.

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How to get the cheapest flight ticket from Idaho to London Gatwick Airport

What is the cheapest airline that flies from Idaho to London Gatwick?

How long does it take to fly to London Gatwick Airport?

Cheap Idaho to London Gatwick Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to London Gatwick Airport

Fastest flight time

Direct flights

Frequently asked questions about flying from Idaho to London Gatwick Airport

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Gatwick Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

Popular cities in the United Kingdom

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