Cheap flights from Idaho to London from $478

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 7/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Idaho to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:30 am - 9:25 am
GEG
-
LGW
15h 55m
2 stops
Delta Logo
10:25 am - 9:05 pm
LGW
-
GEG
18h 40m
2 stops
$709Delta
Tue, Apr 21 - Mon, May 4
American Airlines Logo
6:00 am - 7:30 am
GEG
-
LGW
17h 30m
2 stops
American Airlines Logo
11:20 am - 11:44 am
LGW
-
GEG
31h 24m
2 stops
$835American Airlines
Wed, Mar 4 - Mon, Mar 9
Icelandair Logo
2:45 pm - 2:40 pm
GEG
-
LGW
15h 55m
2 stops
Icelandair Logo
1:00 pm - 9:03 pm
LGW
-
GEG
16h 03m
2 stops
$888Icelandair
Tue, Apr 28 - Thu, May 14
Multiple Airlines Logo
12:15 pm - 6:50 pm
BOI
-
LGW
23h 35m
2 stops
Multiple Airlines Logo
10:20 am - 11:02 pm
LGW
-
BOI
19h 42m
2 stops
$888Multiple Airlines
Wed, Apr 22 - Sun, Apr 26
Icelandair Logo
12:40 pm - 2:40 pm
GEG
-
LGW
18h 00m
2 stops
Icelandair Logo
1:00 pm - 9:03 pm
LGW
-
GEG
16h 03m
2 stops
$896Icelandair
Tue, May 5 - Thu, May 14
Icelandair Logo
11:58 am - 2:40 pm
BOI
-
LGW
19h 42m
2 stops
Icelandair Logo
3:40 pm - 11:02 pm
LGW
-
BOI
38h 22m
2 stops
$897Icelandair
Mon, Apr 13 - Sat, Apr 25
Multiple Airlines Logo
7:06 pm - 10:55 am
GEG
-
LGW
31h 49m
2 stops
Multiple Airlines Logo
11:55 am - 11:59 pm
LGW
-
GEG
20h 04m
2 stops
$899Multiple Airlines
Sun, Mar 1 - Fri, Mar 6
Multiple Airlines Logo
8:29 pm - 10:55 am
GEG
-
LGW
30h 26m
2 stops
Multiple Airlines Logo
11:55 am - 11:59 pm
LGW
-
GEG
20h 04m
2 stops
$900Multiple Airlines
Sun, Mar 1 - Fri, Mar 6
Air France Logo
8:30 am - 9:25 am
LWS
-
LGW
16h 55m
2 stops
Air France Logo
10:25 am - 11:00 pm
LGW
-
LWS
20h 35m
2 stops
$1,208Air France
Tue, May 12 - Mon, May 25
Air France Logo
8:30 am - 9:25 am
LWS
-
LGW
16h 55m
2 stops
Air France Logo
10:25 am - 11:00 pm
LGW
-
LWS
20h 35m
2 stops
$1,223Air France
Tue, May 12 - Wed, May 27

Icelandair flights from Idaho to London Gatwick Airport

Our best Icelandair deals on Idaho to London Gatwick Airport flight tickets
Icelandair
Apr 28
GEG2:45 pmSpokane
15h 55m
2 stops
LGW2:40 pmLondon Gatwick
May 14
LGW1:00 pmLondon Gatwick
16h 03m
2 stops
GEG9:03 pmSpokane
$888
Icelandair
May 5
GEG12:40 pmSpokane
18h 00m
2 stops
LGW2:40 pmLondon Gatwick
May 14
LGW1:00 pmLondon Gatwick
16h 03m
2 stops
GEG9:03 pmSpokane
$896
Icelandair
Apr 13
BOI11:58 amBoise Air Term. Gowen Fld
19h 42m
2 stops
LGW2:40 pmLondon Gatwick
Apr 25
LGW3:40 pmLondon Gatwick
38h 22m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
$897

Condor flights from Idaho to London Gatwick Airport

Our best Condor deals on Idaho to London Gatwick Airport flight tickets
Condor
May 1
BOI2:57 pmBoise Air Term. Gowen Fld
16h 43m
2 stops
LGW2:40 pmLondon Gatwick
May 9
LGW10:20 amLondon Gatwick
16h 51m
2 stops
BOI8:11 pmBoise Air Term. Gowen Fld
$1,137
Condor
May 1
BOI2:57 pmBoise Air Term. Gowen Fld
16h 43m
2 stops
LGW2:40 pmLondon Gatwick
May 9
LGW10:20 amLondon Gatwick
19h 42m
2 stops
BOI11:02 pmBoise Air Term. Gowen Fld
$1,138

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to London Gatwick Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 11, 2026.
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

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 4/21

9:30 am-9:25 am

2 stops15h 55m

London Gatwick

Mon 5/4

10:25 am-9:05 pm

2 stops18h 40m

$709

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 3/4

6:00 am-7:30 am

2 stops17h 30m

London Gatwick

Mon 3/9

11:20 am-11:44 am

2 stops31h 24m

$835

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 4/28

2:45 pm-2:40 pm

2 stops15h 55m

London Gatwick

Thu 5/14

1:00 pm-9:03 pm

2 stops16h 03m

$888

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 4/22

12:15 pm-6:50 pm

2 stops23h 35m

London Gatwick

Sun 4/26

10:20 am-11:02 pm

2 stops19h 42m

$888

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 5/5

12:40 pm-2:40 pm

2 stops18h 00m

London Gatwick

Thu 5/14

1:00 pm-9:03 pm

2 stops16h 03m

$896

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Mon 4/13

11:58 am-2:40 pm

2 stops19h 42m

London Gatwick

Sat 4/25

3:40 pm-11:02 pm

2 stops38h 22m

$897

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Sun 3/1

7:06 pm-10:55 am

2 stops31h 49m

London Gatwick

Fri 3/6

11:55 am-11:59 pm

2 stops20h 04m

$899

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Sun 3/1

8:29 pm-10:55 am

2 stops30h 26m

London Gatwick

Fri 3/6

11:55 am-11:59 pm

2 stops20h 04m

$900

LewistonLondon

LWS - LGW

LWSLGW

Lewiston Nez Perce Rgnl

Tue 5/12

8:30 am-9:25 am

2 stops16h 55m

London Gatwick

Mon 5/25

10:25 am-11:00 pm

2 stops20h 35m

$1,208

LewistonLondon

LWS - LGW

LWSLGW

Lewiston Nez Perce Rgnl

Tue 5/12

8:30 am-9:25 am

2 stops16h 55m

London Gatwick

Wed 5/27

10:25 am-11:00 pm

2 stops20h 35m

$1,223

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to London from

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

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

Delta is the most popular carrier 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

14h 55m

Direct flights

None
The fastest flight from Idaho to London Gatwick Airport takes 14h 55m
There are no direct flights from Idaho to London Gatwick Airport. There are no popular flight routes 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.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Croydon
Brentwood
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted
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

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.
1 adult
Fri 3/13
Fri 3/20

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