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Idaho

$590+ Cheap flights from London City (LCY) to Idaho

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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LCY — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from London City to Idaho

Keep the following information in mind while searching for London City to Idaho flight deals. Data was last updated September 15, 2025.

Round-trip from

$667
(United Airlines)

One-way from

$590
(Thrive Travel)

Popular in

July

Cheapest in

February

Average price

$818
From London City to Idaho
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One-way flight from London City to Idaho
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Highest demand for flights based on searches. 13% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from London City to Idaho

Cheapest flights from London City to Idaho
Explore the most affordable flight options available from London City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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 10/309:40 amLCY - GEG
2 stops32h 02mMultiple Airlines
Thu 11/612:45 pmGEG - LCY
2 stops20h 55mMultiple Airlines
Deal found 9/15$667
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.
Tue 10/289:50 amLCY - BOI
2 stops19h 38mMultiple Airlines
Tue 11/48:17 amBOI - LCY
2 stops21h 33mMultiple Airlines
Deal found 9/13$771
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:45 amLCY - BOI
2 stops19h 35mDelta
Wed 10/811:41 amBOI - LCY
2 stops21h 59mDelta
Deal found 9/14$816
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:40 amLCY - BOI
2 stops18h 40mDelta
Wed 10/85:42 amBOI - LCY
2 stops18h 33mDelta
Deal found 9/14$857
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.
Sat 9/2712:15 pmLCY - BOI
2 stops42h 29mMultiple Airlines
Sat 10/112:44 pmBOI - LCY
2 stops19h 31mMultiple Airlines
Deal found 9/14$869
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:40 amLCY - BOI
2 stops18h 40mDelta
Sat 10/1111:41 amBOI - LCY
2 stops18h 34mDelta
Deal found 9/14$898
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:40 amLCY - JAC
2 stops16h 57mLufthansa
Thu 11/62:40 pmJAC - LCY
2 stops19h 00mLufthansa
Deal found 9/15$937
This Netflights 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:40 amLCY - BOI
2 stops22h 14mVirgin Atlantic
Thu 10/2311:41 amBOI - LCY
2 stops22h 39mVirgin Atlantic
Deal found 9/13$954
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 10/309:40 amLCY - JAC
3 stops30h 05mMultiple Airlines
Thu 11/610:45 amJAC - LCY
2 stops23h 55mMultiple Airlines
Deal found 9/15$996
This Netflights 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:40 amLCY - BOI
2 stops22h 30mVirgin Atlantic
Mon 12/155:35 amBOI - LCY
2 stops19h 35mVirgin Atlantic
Deal found 9/14$1,012
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:00 amLCY - BOI
2 stops17h 20mDelta
Sun 10/122:00 pmBOI - LCY
2 stops59h 10mDelta
Deal found 9/14$1,021
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 10/299:50 amLCY - JAC
3 stops29h 55mMultiple Airlines
Wed 11/57:00 amJAC - LCY
3 stops19h 05mMultiple Airlines
Deal found 9/14$1,043

Cheapflights Fare Finder

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

Fly from

London City

Fly to

Idaho

Route

Depart

Return

Price

LondonSpokane

LCY - GEG

LCYGEG

London City

Thu 10/30

9:40 am-10:42 am

2 stops32h 02m

Spokane

Thu 11/6

12:45 pm-5:40 pm

2 stops20h 55m

$667

LondonBoise

LCY - BOI

LCYBOI

London City

Tue 10/28

9:50 am-11:28 pm

2 stops19h 38m

Boise Air Term. Gowen Fld

Tue 11/4

8:17 am-12:50 pm

2 stops21h 33m

$771

LondonSpokane

LCY - GEG

LCYGEG

London City

Tue 3/10

8:40 am-11:16 pm

2 stops21h 36m

Spokane

Tue 3/17

6:30 am-4:35 pm

2 stops27h 05m

$824

LondonBoise

LCY - BOI

LCYBOI

London City

Fri 9/26

9:20 am-8:20 pm

2 stops18h 00m

Boise Air Term. Gowen Fld

Mon 10/13

3:00 pm-8:10 am

2 stops34h 10m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Fri 9/26

9:20 am-8:20 pm

2 stops18h 00m

Boise Air Term. Gowen Fld

Wed 10/8

5:42 am-7:15 am

2 stops18h 33m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Thu 9/25

8:40 am-8:20 pm

2 stops18h 40m

Boise Air Term. Gowen Fld

Mon 10/13

3:00 pm-8:10 am

2 stops34h 10m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Thu 9/25

8:40 am-8:20 pm

2 stops18h 40m

Boise Air Term. Gowen Fld

Tue 10/14

3:00 pm-4:40 pm

2 stops18h 40m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Thu 9/25

8:40 am-8:20 pm

2 stops18h 40m

Boise Air Term. Gowen Fld

Sun 10/12

2:00 pm-8:10 am

2 stops59h 10m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Fri 9/26

9:20 am-8:20 pm

2 stops18h 00m

Boise Air Term. Gowen Fld

Tue 10/14

3:00 pm-4:40 pm

2 stops18h 40m

$857

LondonBoise

LCY - BOI

LCYBOI

London City

Sat 9/27

12:15 pm-11:44 pm

2 stops42h 29m

Boise Air Term. Gowen Fld

Sat 10/11

2:44 pm-5:15 pm

2 stops19h 31m

$869

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 34 results
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Best time to book a flight from London City to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from London City 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 London City Airport to Idaho
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 London City to Idaho. 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 London City Airport to Idaho?

    There are many flights that can get you from London City Airport to Idaho in 16h 57m. Fly via Virgin Atlantic, Delta, or Lufthansa to get the fastest option. Airlines will cover a distance of 4673 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The most popular route from London City Airport to Idaho is London City - Boise Air Term. Gowen Fld. You may also consider London City - Spokane or London City - Jackson Hole.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London City to Idaho 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 London City Airport to Idaho?

    Currently, October is the cheapest month in which you can book a flight from London City Airport to Idaho (average of $314). Flying from London City Airport to Idaho in June is currently the most expensive (average of $398). 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

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Alternative routes for London City to Idaho

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