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

On average, it takes 12h 05m 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 12h 07m.

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.

$420 Cheap Flights from Idaho to London Gatwick Airport in 2026

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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.

6:20 am - 10:55 am

GEG

LGW

20h 35m

1 stop

10:05 am - 10:25 pm

LGW

GEG

20h 20m

1 stop

$908Multiple Airlines

Fri, Aug 14 - Sat, Aug 29

1:23 pm - 2:40 pm

GEG

LGW

17h 17m

2 stops

3:40 pm - 12:18 am

LGW

GEG

16h 38m

2 stops

$928Icelandair

Tue, Sep 1 - Fri, Sep 11

7:45 pm - 2:40 pm

GEG

LGW

34h 55m

2 stops

3:40 pm - 11:59 pm

LGW

GEG

16h 19m

2 stops

$929Icelandair

Wed, Aug 12 - Tue, Sep 15

2:22 pm - 2:40 pm

BOI

LGW

17h 18m

2 stops

1:00 pm - 11:02 pm

LGW

BOI

17h 02m

2 stops

$930Icelandair

Tue, Apr 21 - Tue, Apr 28

2:57 pm - 2:40 pm

BOI

LGW

16h 43m

2 stops

1:00 pm - 11:02 pm

LGW

BOI

17h 02m

2 stops

$943Icelandair

Tue, Apr 28 - Tue, May 5

3:05 pm - 4:00 pm

GEG

LGW

16h 55m

2 stops

10:35 am - 10:48 pm

LGW

GEG

20h 13m

2 stops

$948Delta

Wed, Aug 12 - Tue, Sep 15

7:45 pm - 2:40 pm

GEG

LGW

34h 55m

2 stops

3:40 pm - 11:59 pm

LGW

GEG

16h 19m

2 stops

$965Icelandair

Wed, Aug 12 - Tue, Sep 15

8:03 am - 10:55 am

BOI

LGW

19h 52m

1 stop

10:20 am - 10:55 pm

LGW

BOI

19h 35m

1 stop

$972Multiple Airlines

Mon, Aug 10 - Fri, Aug 21

6:00 am - 8:40 am

BOI

LGW

19h 40m

2 stops

2:30 pm - 1:03 pm

LGW

BOI

29h 33m

2 stops

$981American Airlines

Wed, May 6 - Sun, May 17

3:30 pm - 4:00 pm

GEG

LGW

16h 30m

2 stops

10:35 am - 9:13 pm

LGW

GEG

18h 38m

2 stops

$997Delta

Tue, May 5 - Tue, May 19

Delta flights from Idaho to London Gatwick Airport

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

Delta

Aug 12

GEG3:05 pmSpokane

16h 55m

2 stops

LGW4:00 pmLondon Gatwick

Sep 15

LGW10:35 amLondon Gatwick

20h 13m

2 stops

GEG10:48 pmSpokane

$948

Delta

May 5

GEG3:30 pmSpokane

16h 30m

2 stops

LGW4:00 pmLondon Gatwick

May 19

LGW10:35 amLondon Gatwick

18h 38m

2 stops

GEG9:13 pmSpokane

$997

Delta

May 13

BOI3:14 pmBoise Air Term. Gowen Fld

17h 46m

2 stops

LGW4:00 pmLondon Gatwick

May 20

LGW10:25 amLondon Gatwick

18h 48m

2 stops

BOI10:13 pmBoise Air Term. Gowen Fld

$1,014

Icelandair flights from Idaho to London Gatwick Airport

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

Icelandair

Sep 1

GEG1:23 pmSpokane

17h 17m

2 stops

LGW2:40 pmLondon Gatwick

Sep 11

LGW3:40 pmLondon Gatwick

16h 38m

2 stops

GEG12:18 amSpokane

$928

Icelandair

Aug 12

GEG7:45 pmSpokane

34h 55m

2 stops

LGW2:40 pmLondon Gatwick

Sep 15

LGW3:40 pmLondon Gatwick

16h 19m

2 stops

GEG11:59 pmSpokane

$929

Icelandair

Apr 21

BOI2:22 pmBoise Air Term. Gowen Fld

17h 18m

2 stops

LGW2:40 pmLondon Gatwick

Apr 28

LGW1:00 pmLondon Gatwick

17h 02m

2 stops

BOI11:02 pmBoise Air Term. Gowen Fld

$930

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

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Fri 8/14

6:20 am-10:55 am

1 stop20h 35m

London Gatwick

Sat 8/29

10:05 am-10:25 pm

1 stop20h 20m

$908

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 9/1

1:23 pm-2:40 pm

2 stops17h 17m

London Gatwick

Fri 9/11

3:40 pm-12:18 am

2 stops16h 38m

$928

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 8/12

7:45 pm-2:40 pm

2 stops34h 55m

London Gatwick

Tue 9/15

3:40 pm-11:59 pm

2 stops16h 19m

$929

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 4/21

2:22 pm-2:40 pm

2 stops17h 18m

London Gatwick

Tue 4/28

1:00 pm-11:02 pm

2 stops17h 02m

$930

Quickest round-trip

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 4/28

2:57 pm-2:40 pm

2 stops16h 43m

London Gatwick

Tue 5/5

1:00 pm-11:02 pm

2 stops17h 02m

$943

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 8/12

3:05 pm-4:00 pm

2 stops16h 55m

London Gatwick

Tue 9/15

10:35 am-10:48 pm

2 stops20h 13m

$948

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 8/12

7:45 pm-2:40 pm

2 stops34h 55m

London Gatwick

Tue 9/15

3:40 pm-11:59 pm

2 stops16h 19m

$965

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 8/10

8:03 am-10:55 am

1 stop19h 52m

London Gatwick

Fri 8/21

10:20 am-10:55 pm

1 stop19h 35m

$972

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 5/6

6:00 am-8:40 am

2 stops19h 40m

London Gatwick

Sun 5/17

2:30 pm-1:03 pm

2 stops29h 33m

$981

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 5/5

3:30 pm-4:00 pm

2 stops16h 30m

London Gatwick

Tue 5/19

10:35 am-9:13 pm

2 stops18h 38m

$997

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?

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 06m
Direct flights	None

The fastest flight from Idaho to London Gatwick Airport takes 15h 06m

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

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.

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Slough

Crawley

Hayes

Wembley

Stansted

Croydon

Dartford

Brentwood

Guildford

Cobham

Folkestone

Romford

Harrow

Watford

Richmond

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.

An easier way to manage your London Gatwick Airport trip

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Cheap flights from Idaho to London from $420

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 9/12. 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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Find the cheapest flights from Idaho to London

Cheap round-trip flights

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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

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

Popular flights according to clicks in the last 7 days on momondo

Idaho flight routes

According to popular flight searches on momondo this year

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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