Cheap flights from Idaho to London from $334

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:05 pm - 4:00 pm
BOI
-
LGW
16h 55m
2 stops
Delta Logo
10:25 am - 11:52 pm
LGW
-
BOI
20h 27m
2 stops
$890Delta
Tue, Sep 29 - Wed, Oct 7
Delta Logo
10:35 am - 9:40 am
BOI
-
LGW
16h 05m
2 stops
Delta Logo
10:25 am - 10:30 pm
LGW
-
BOI
19h 05m
2 stops
$891Delta
Mon, Aug 10 - Thu, Aug 20
Delta Logo
9:25 am - 9:25 am
GEG
-
LGW
16h 00m
2 stops
Delta Logo
10:35 am - 9:04 pm
LGW
-
GEG
18h 29m
2 stops
$891Delta
Wed, Aug 12 - Tue, Sep 1
Air France Logo
11:09 am - 9:25 am
GEG
-
LGW
14h 16m
2 stops
Air France Logo
10:25 am - 2:46 pm
LGW
-
GEG
36h 21m
2 stops
$904Air France
Tue, Aug 11 - Mon, Aug 31
Delta Logo
7:00 am - 9:00 am
GEG
-
LGW
19h 00m
2 stops
Delta Logo
10:00 am - 6:48 pm
LGW
-
GEG
16h 48m
2 stops
$940Delta
Sun, Oct 25 - Mon, Nov 2
Multiple Airlines Logo
2:08 pm - 6:50 pm
BOI
-
LGW
21h 42m
2 stops
Multiple Airlines Logo
10:20 am - 11:58 pm
LGW
-
BOI
20h 38m
2 stops
$971Multiple Airlines
Tue, Oct 13 - Tue, Oct 20
Icelandair Logo
4:17 pm - 2:40 pm
BOI
-
LGW
15h 23m
2 stops
Icelandair Logo
3:40 pm - 9:57 am
LGW
-
BOI
25h 17m
2 stops
$1,093Icelandair
Wed, Sep 30 - Fri, Oct 9
Multiple Airlines Logo
10:14 am - 2:45 pm
BOI
-
LGW
21h 31m
2 stops
Multiple Airlines Logo
10:20 am - 11:58 pm
LGW
-
BOI
20h 38m
2 stops
$1,115Multiple Airlines
Wed, Sep 30 - Fri, Oct 9
Condor Logo
2:16 pm - 6:50 pm
BOI
-
LGW
21h 34m
2 stops
Condor Logo
10:20 am - 8:10 pm
LGW
-
BOI
16h 50m
2 stops
$1,137Condor
Tue, Sep 29 - Wed, Oct 7
Air France Logo
9:00 am - 9:25 am
LWS
-
LGW
16h 25m
2 stops
Air France Logo
10:25 am - 11:19 pm
LGW
-
LWS
20h 54m
2 stops
$1,917Air France
Sun, Jun 28 - Sun, Jul 5

Icelandair flights from Idaho to London Gatwick Airport

Our best Icelandair deals on Idaho to London Gatwick Airport flight tickets
Icelandair
Sep 16
GEG12:30 pmSpokane
18h 10m
2 stops
LGW2:40 pmLondon Gatwick
Sep 25
LGW3:40 pmLondon Gatwick
16h 19m
2 stops
GEG11:59 pmSpokane
$1,053
Icelandair
Oct 6
GEG4:38 pmSpokane
14h 02m
2 stops
LGW2:40 pmLondon Gatwick
Oct 20
LGW3:40 pmLondon Gatwick
39h 13m
2 stops
GEG10:53 pmSpokane
$1,064
Icelandair
Aug 17
GEG7:45 pmSpokane
34h 55m
2 stops
LGW2:40 pmLondon Gatwick
Sep 1
LGW1:00 pmLondon Gatwick
16h 01m
2 stops
GEG9:01 pmSpokane
$1,072

Condor flights from Idaho to London Gatwick Airport

Our best Condor deals on Idaho to London Gatwick Airport flight tickets
Condor
Oct 3
GEG1:49 pmSpokane
16h 51m
2 stops
LGW2:40 pmLondon Gatwick
Oct 27
LGW9:55 amLondon Gatwick
18h 30m
2 stops
GEG9:25 pmSpokane
$1,136
Condor
Oct 3
GEG12:44 pmSpokane
17h 56m
2 stops
LGW2:40 pmLondon Gatwick
Oct 27
LGW9:55 amLondon Gatwick
18h 30m
2 stops
GEG9:25 pmSpokane
$1,137
Condor
Oct 13
GEG12:44 pmSpokane
22h 06m
2 stops
LGW6:50 pmLondon Gatwick
Oct 16
LGW10:20 amLondon Gatwick
19h 05m
2 stops
GEG9:25 pmSpokane
$1,165

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 May 15, 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

Cheapest round-trip

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 9/29

4:05 pm-4:00 pm

2 stops16h 55m

London Gatwick

Wed 10/7

10:25 am-11:52 pm

2 stops20h 27m

$890

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

$891
Quickest round-trip

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 8/12

9:25 am-9:25 am

2 stops16h 00m

London Gatwick

Tue 9/1

10:35 am-9:04 pm

2 stops18h 29m

$891

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 8/11

11:09 am-9:25 am

2 stops14h 16m

London Gatwick

Mon 8/31

10:25 am-2:46 pm

2 stops36h 21m

$904

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Sun 10/25

7:00 am-9:00 am

2 stops19h 00m

London Gatwick

Mon 11/2

10:00 am-6:48 pm

2 stops16h 48m

$940

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Tue 10/13

2:08 pm-6:50 pm

2 stops21h 42m

London Gatwick

Tue 10/20

10:20 am-11:58 pm

2 stops20h 38m

$971

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 9/30

4:17 pm-2:40 pm

2 stops15h 23m

London Gatwick

Fri 10/9

3:40 pm-9:57 am

2 stops25h 17m

$1,093

BoiseLondon

BOI - LGW

BOILGW

Boise Air Term. Gowen Fld

Wed 9/30

10:14 am-2:45 pm

2 stops21h 31m

London Gatwick

Fri 10/9

10:20 am-11:58 pm

2 stops20h 38m

$1,115

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-8:10 pm

2 stops16h 50m

$1,137

LewistonLondon

LWS - LGW

LWSLGW

Lewiston Nez Perce Rgnl

Sun 6/28

9:00 am-9:25 am

2 stops16h 25m

London Gatwick

Sun 7/5

10:25 am-11:19 pm

2 stops20h 54m

$1,917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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, American Airlines, 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

14h 02m

Direct flights

None
The fastest flight from Idaho to London Gatwick Airport takes 14h 02m
There are no direct flights from Idaho to London Gatwick Airport. There are no popular flight routes from Idaho to London Gatwick Airport.

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.

Traveling to a place near London?

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

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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1 adult
Sun 6/14
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