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London City

$437+ Cheap flights from Idaho to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Idaho to London City

Cheapest flights from Idaho to London City
Explore the most affordable flight options available from Idaho to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/152:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Wed 4/229:15 am
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2$673
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Thu 4/239:15 am
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2$715
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Mon 4/206:30 pm
LCY
-
BOI
2 stops33h 52m
Lufthansa
Deal found 2/2$735
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:44 pm
GEG
-
LCY
2 stops19h 56m
Lufthansa
Wed 3/119:50 am
LCY
-
GEG
2 stops18h 13m
Lufthansa
Deal found 2/3$747
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Tue 4/289:15 am
LCY
-
BOI
2 stops20h 42m
Lufthansa
Deal found 2/2$765
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Wed 4/229:15 am
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2$800
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Fri 4/249:15 am
LCY
-
BOI
2 stops20h 42m
Lufthansa
Deal found 2/2$815
This Cheapflightsfares deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/162:40 pm
BOI
-
LCY
2 stops21h 00m
Lufthansa
Thu 4/29:15 am
LCY
-
BOI
2 stops19h 07m
Lufthansa
Deal found 2/2$847
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/132:37 pm
BOI
-
LCY
2 stops20h 18m
Lufthansa
Sun 4/196:30 pm
LCY
-
BOI
2 stops33h 52m
Lufthansa
Deal found 2/2$870
This Cheapflightsfares deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:26 pm
BOI
-
LCY
2 stops20h 29m
Lufthansa
Tue 5/269:15 am
LCY
-
BOI
2 stops19h 19m
Lufthansa
Deal found 2/4$887
This Cheapflightsfares deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:26 pm
BOI
-
LCY
2 stops20h 29m
Lufthansa
Wed 6/39:15 am
LCY
-
BOI
2 stops19h 19m
Lufthansa
Deal found 2/3$888
This KAYAK deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:05 am
BOI
-
LCY
2 stops18h 15m
Lufthansa
Thu 3/59:40 am
LCY
-
BOI
2 stops18h 43m
Lufthansa
Deal found 2/4$900

Find flight deals from Idaho to London City

Keep the following information in mind while searching for Idaho to London City flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$673
(Cheapflightsfares)

One-way from

$437
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$819
Provider with most accurate pricing for Boise Air Term. Gowen Fld-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-London (LON) flights.
Search Deals
From Idaho to London City
Search Deals
One-way flight from Idaho to London City
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to London City 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, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Idaho to London City Airport that are best for you.

Fly from

Idaho

Fly to

London City

Route

Depart

Return

Price

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 4/15

2:37 pm-5:55 pm

2 stops20h 18m

London City

Wed 4/22

9:15 am-9:22 pm

2 stops19h 07m

$673

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 4/15

2:37 pm-5:55 pm

2 stops20h 18m

London City

Tue 4/21

9:15 am-9:22 pm

2 stops19h 07m

$715

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 4/14

2:37 pm-5:55 pm

2 stops20h 18m

London City

Wed 4/22

9:15 am-9:22 pm

2 stops19h 07m

$715

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 4/14

2:37 pm-5:55 pm

2 stops20h 18m

London City

Thu 4/23

9:15 am-9:22 pm

2 stops19h 07m

$715

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 4/15

2:37 pm-5:55 pm

2 stops20h 18m

London City

Mon 4/20

6:30 pm-9:22 pm

2 stops33h 52m

$735

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 4/14

2:37 pm-5:55 pm

2 stops20h 18m

London City

Mon 4/20

6:30 pm-9:22 pm

2 stops33h 52m

$735

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 4/13

2:37 pm-5:55 pm

2 stops20h 18m

London City

Mon 4/20

6:30 pm-9:22 pm

2 stops33h 52m

$735

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 3/4

1:44 pm-5:40 pm

2 stops19h 56m

London City

Wed 3/11

9:50 am-9:03 pm

2 stops18h 13m

$747

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Sun 4/12

2:37 pm-5:55 pm

2 stops20h 18m

London City

Wed 4/22

9:15 am-9:22 pm

2 stops19h 07m

$800

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Mon 3/16

2:40 pm-5:40 pm

2 stops21h 00m

London City

Thu 4/2

9:15 am-9:22 pm

2 stops19h 07m

$847

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 47 results
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Best time to book a flight from Idaho to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to London City Airport
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Idaho to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to London City Airport?

    Airlines like Lufthansa fly from Idaho to London City Airport in about 20h 18m. The time it takes to get you to your destination can typically vary by up to . The distance from Idaho to London City Airport is about 4843 mi.

  • What are the most popular routes from Idaho to London City Airport?

    The most popular flight routes from Idaho to London City Airport are Boise Air Term. Gowen Fld - London City, Spokane - London City and Jackson Hole - London City.

  • Can I find deals for flights from Idaho to London City that include hotel bookings?

    Yes. In addition to deals on Idaho to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to London City.

  • Can I find deals for business class flights from Idaho to London City?

    Yes. Cheapflights offers flight deals from Idaho to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Idaho to London City

See prices for flight routes from nearby airports that may be better suited for you.
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