HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London City

$495+ 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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LCY
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to London City with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 15, 2025.

Round-trip from

$717
(Cheapflightsfares)

One-way from

$495
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$796
From Idaho to London City
Search Deals
One-way flight from Idaho to London City
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 11/122:31 pmBOI - LCY
2 stops19h 09mLufthansa
Thu 11/209:40 amLCY - BOI
2 stops18h 41mLufthansa
Deal found 9/14$717
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:17 amBOI - LCY
2 stops22h 33mMultiple Airlines
Wed 11/59:50 amLCY - BOI
2 stops34h 54mMultiple Airlines
Deal found 9/13$737
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/149:45 amBOI - LCY
2 stops19h 45mMultiple Airlines
Tue 10/217:20 pmLCY - BOI
2 stops30h 27mMultiple Airlines
Deal found 9/14$739
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:45 pmGEG - LCY
2 stops20h 50mMultiple Airlines
Tue 11/119:50 amLCY - GEG
2 stops21h 39mMultiple Airlines
Deal found 9/14$752
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1212:35 pmBOI - LCY
2 stops17h 15mMultiple Airlines
Mon 11/175:15 pmLCY - BOI
2 stops35h 21mMultiple Airlines
Deal found 9/14$756
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:25 amGEG - LCY
2 stops18h 25mMultiple Airlines
Wed 11/59:50 amLCY - GEG
2 stops21h 39mMultiple Airlines
Deal found 9/14$765
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:05 amGEG - LCY
2 stops26h 30mDelta
Wed 11/198:40 amLCY - GEG
2 stops19h 23mDelta
Deal found 9/15$771
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:35 pmBOI - LCY
2 stops16h 55mMultiple Airlines
Tue 11/189:50 amLCY - BOI
2 stops20h 38mMultiple Airlines
Deal found 9/14$776
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:10 amGEG - LCY
3 stops22h 30mMultiple Airlines
Wed 11/199:50 amLCY - GEG
3 stops33h 41mMultiple Airlines
Deal found 9/15$781
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:40 pmBOI - LCY
2 stops21h 00mMultiple Airlines
Thu 11/69:40 amLCY - BOI
2 stops20h 48mMultiple Airlines
Deal found 9/15$783
This KAYAK deal was found by Cheapflights users on 9/15. 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.
Wed 11/126:00 amGEG - LCY
2 stops26h 40mLufthansa
Wed 12/36:10 pmLCY - GEG
2 stops32h 34mLufthansa
Deal found 9/15$796
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:35 pmBOI - LCY
2 stops17h 15mMultiple Airlines
Fri 12/55:15 pmLCY - BOI
2 stops35h 10mMultiple Airlines
Deal found 9/14$826

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 September 15, 2025.
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 11/12

2:31 pm-4:40 pm

2 stops19h 09m

London City

Thu 11/20

9:40 am-9:21 pm

2 stops18h 41m

$717

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 10/29

8:17 am-12:50 pm

2 stops22h 33m

London City

Wed 11/5

9:50 am-1:44 pm

2 stops34h 54m

$737

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Tue 10/14

7:45 am-12:30 pm

2 stops21h 45m

London City

Tue 10/21

9:25 am-11:44 pm

2 stops21h 19m

$739

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Tue 11/4

12:45 pm-5:35 pm

2 stops20h 50m

London City

Tue 11/11

9:50 am-11:29 pm

2 stops21h 39m

$752

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Wed 11/12

12:35 pm-12:50 pm

2 stops17h 15m

London City

Mon 11/17

5:15 pm-9:36 pm

2 stops35h 21m

$756

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Wed 10/29

11:25 am-12:50 pm

2 stops18h 25m

London City

Wed 11/5

9:50 am-11:29 pm

2 stops21h 39m

$765

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 11/13

5:05 am-9:30 am

2 stops44h 25m

London City

Wed 11/19

7:45 am-8:03 pm

2 stops20h 18m

$771

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 11/13

7:05 am-9:30 am

2 stops42h 25m

London City

Tue 11/18

8:40 am-8:03 pm

2 stops19h 23m

$771

BoiseLondon

BOI - LCY

BOILCY

Boise Air Term. Gowen Fld

Thu 10/23

12:35 pm-12:30 pm

2 stops16h 55m

London City

Tue 11/18

9:50 am-11:28 pm

2 stops20h 38m

$776

SpokaneLondon

GEG - LCY

GEGLCY

Spokane

Thu 3/5

1:00 pm-4:35 pm

2 stops19h 35m

London City

Mon 3/9

10:00 am-4:10 pm

2 stops37h 10m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 21 results
1
2
3

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 and Delta fly from Idaho to London City Airport in about 19h 09m. The time it takes to get you to your destination can typically vary by up to 25h 16m. The distance from Idaho to London City Airport is about 4843 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Idaho to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from Idaho to London City Airport (average of $686). Flying from Idaho to London City Airport in July is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to London City

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
Los Angeles to Heathrow flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Baltimore to Heathrow flights
Dallas/Fort Worth to Heathrow flights
LaGuardia to Gatwick flights
Seattle to Heathrow flights
Newark to London City flights
Denver to Heathrow flights
Miami to Heathrow flights
John F Kennedy Intl to Luton flights
Atlanta to Heathrow flights
John F Kennedy Intl to Stansted flights
Hobby to Heathrow flights
Boston to Gatwick flights
Boston to London City flights
Philadelphia to Heathrow flights
Reagan-National to Heathrow flights
Los Angeles to London City flights
Dulles Intl to Gatwick flights
Newark to Stansted flights
George Bush Intcntl to Heathrow flights
Orlando to Heathrow flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Newark to Luton flights
Los Angeles to Gatwick flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
Raleigh to Heathrow flights
Reagan-National to Gatwick flights
Tampa to Heathrow flights
Charlotte to Heathrow flights
Dallas/Fort Worth to Gatwick flights
O'Hare Intl to London City flights
San Francisco to London City flights
Sky Harbor Intl to Heathrow flights
Seattle to Gatwick flights
Detroit to Heathrow flights
San Diego to Heathrow flights
LaGuardia to London City flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.