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Cheap flights from Idaho to London from $499

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.
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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.
Lufthansa Logo
12:35 pm - 5:55 pm
GEG
-
LCY
45h 20m
2 stops
Lufthansa Logo
9:15 am - 9:16 pm
LCY
-
GEG
20h 01m
2 stops
$710Lufthansa
Tue, May 5 - Fri, May 15
Lufthansa Logo
7:00 am - 5:55 pm
GEG
-
LCY
26h 55m
2 stops
Lufthansa Logo
6:30 pm - 9:16 pm
LCY
-
GEG
34h 46m
2 stops
$731Lufthansa
Sun, Apr 19 - Tue, May 5
Lufthansa Logo
7:00 am - 5:55 pm
GEG
-
LCY
26h 55m
2 stops
Lufthansa Logo
9:15 am - 9:16 pm
LCY
-
GEG
20h 01m
2 stops
$760Lufthansa
Sun, Apr 19 - Mon, May 4
Lufthansa Logo
12:35 pm - 5:55 pm
GEG
-
LCY
45h 20m
2 stops
Lufthansa Logo
9:15 am - 9:16 pm
LCY
-
GEG
20h 01m
2 stops
$766Lufthansa
Wed, May 6 - Fri, May 15
Multiple Airlines Logo
2:22 pm - 5:55 pm
BOI
-
LCY
20h 33m
2 stops
Multiple Airlines Logo
9:15 am - 11:02 pm
LCY
-
BOI
20h 47m
2 stops
$1,162Multiple Airlines
Sat, Apr 18 - Fri, Apr 24
Multiple Airlines Logo
10:55 am - 9:35 pm
BOI
-
LCY
27h 40m
2 stops
Multiple Airlines Logo
8:30 pm - 9:23 pm
LCY
-
BOI
31h 53m
2 stops
$1,232Multiple Airlines
Wed, Aug 5 - Mon, Aug 10
Delta Logo
10:24 am - 9:30 am
BOI
-
LCY
16h 06m
2 stops
Delta Logo
9:20 am - 11:04 pm
LCY
-
BOI
20h 44m
2 stops
$1,422Delta
Sun, Jul 5 - Sat, Jul 18
Delta Logo
10:24 am - 7:15 am
BOI
-
LCY
13h 51m
2 stops
Delta Logo
9:20 am - 11:04 pm
LCY
-
BOI
20h 44m
2 stops
$1,423Delta
Sun, Jul 5 - Sat, Jul 18
KLM Logo
8:30 am - 7:15 am
JAC
-
LCY
15h 45m
2 stops
KLM Logo
10:00 am - 7:38 pm
LCY
-
JAC
16h 38m
2 stops
$2,188KLM
Wed, Jul 15 - Tue, Jul 21
KLM Logo
8:30 am - 7:15 am
JAC
-
LCY
15h 45m
2 stops
KLM Logo
10:00 am - 7:38 pm
LCY
-
JAC
16h 38m
2 stops
$2,226KLM
Thu, Jul 16 - Thu, Jul 23

Lufthansa flights from Idaho to London City Airport

Our best Lufthansa deals on Idaho to London City Airport flight tickets
Lufthansa
May 5
GEG12:35 pmSpokane
45h 20m
2 stops
LCY5:55 pmLondon City
May 15
LCY9:15 amLondon City
20h 01m
2 stops
GEG9:16 pmSpokane
$710
Lufthansa
Apr 19
GEG7:00 amSpokane
26h 55m
2 stops
LCY5:55 pmLondon City
May 5
LCY6:30 pmLondon City
34h 46m
2 stops
GEG9:16 pmSpokane
$731
Lufthansa
Apr 19
GEG7:00 amSpokane
26h 55m
2 stops
LCY5:55 pmLondon City
May 4
LCY9:15 amLondon City
20h 01m
2 stops
GEG9:16 pmSpokane
$760

Delta flights from Idaho to London City Airport

Our best Delta deals on Idaho to London City Airport flight tickets
Delta
Jul 12
GEG7:55 amSpokane
17h 35m
2 stops
LCY9:30 amLondon City
Jul 23
LCY7:45 amLondon City
23h 59m
2 stops
GEG11:44 pmSpokane
$1,180
Delta
Jul 11
GEG5:40 pmSpokane
31h 50m
2 stops
LCY9:30 amLondon City
Jul 23
LCY7:45 amLondon City
23h 59m
2 stops
GEG11:44 pmSpokane
$1,185
Delta
Jul 9
GEG10:50 amSpokane
14h 40m
2 stops
LCY9:30 amLondon City
Jul 23
LCY7:45 amLondon City
23h 59m
2 stops
GEG11:44 pmSpokane
$1,240

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to London City 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 City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 5/5

12:35 pm-5:55 pm

2 stops45h 20m

London City

Fri 5/15

9:15 am-9:16 pm

2 stops20h 01m

$710

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 4/19

7:00 am-5:55 pm

2 stops26h 55m

London City

Tue 5/5

6:30 pm-9:16 pm

2 stops34h 46m

$731

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Sun 4/19

7:00 am-5:55 pm

2 stops26h 55m

London City

Mon 5/4

9:15 am-9:16 pm

2 stops20h 01m

$760

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 5/6

12:35 pm-5:55 pm

2 stops45h 20m

London City

Fri 5/15

9:15 am-9:16 pm

2 stops20h 01m

$766

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sat 4/18

2:22 pm-5:55 pm

2 stops20h 33m

London City

Fri 4/24

9:15 am-11:02 pm

2 stops20h 47m

$1,162

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 8/5

10:55 am-9:35 pm

2 stops27h 40m

London City

Mon 8/10

8:30 pm-9:23 pm

2 stops31h 53m

$1,232

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 7/5

10:24 am-9:30 am

2 stops16h 06m

London City

Sat 7/18

9:20 am-11:04 pm

2 stops20h 44m

$1,422

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 7/5

10:24 am-7:15 am

2 stops13h 51m

London City

Sat 7/18

9:20 am-11:04 pm

2 stops20h 44m

$1,423

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Wed 7/15

8:30 am-7:15 am

2 stops15h 45m

London City

Tue 7/21

10:00 am-7:38 pm

2 stops16h 38m

$2,188

JacksonLondon

JAC - LCY

JACLCY

Jackson Hole

Thu 7/16

8:30 am-7:15 am

2 stops15h 45m

London City

Thu 7/23

10:00 am-7:38 pm

2 stops16h 38m

$2,226

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 City 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 City?

Delta, Lufthansa, and Iberia are the most popular carriers operating from Idaho to London City

Cheap Idaho to London City Airport flight deals and tips

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

Fastest flight time

13h 51m

Direct flights

None
The fastest flight from Idaho to London City Airport takes 13h 51m
There are no direct flights from Idaho to London City Airport. There are no popular flight routes from Idaho to London City Airport.
Search flight deals

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

    Prices for flights from Idaho to London City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho to London City 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 City Airport.

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

    The required travel and health documents for your London City 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 City 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?

Finding the right flight to London from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to London from Idaho with this policy.

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

momondo provides multiple filters to help you find the best flight to London from Idaho. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to London from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your London City 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.
Start using Trips
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