What are the cheapest airlines to fly from Key Largo to London City Airport one-way?

For one-way options, check prices for ITA Airways. According to our data, you can fly for as low as $455. Users have also found prices from $463 and $466 on Delta and SWISS, respectively.

What is the cheapest month to book a flight from Key Largo to London City Airport?

Currently, April is the cheapest month in which you can book a flight from Key Largo to London City Airport (average of $686). Flying from Key Largo 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.

What is the cheapest day to fly from Key Largo to London City Airport?

Travelers seeking maximum savings on their Key Largo to London City Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Key Largo to London City Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 56 days in advance, which can save you up to 26% on flights from Key Largo to London City Airport compared to booking the week you need them. Waiting 56 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $657. For sooner than that we have options available in the next 3 days from $854.

What is the cheapest month to fly from Key Largo to London City Airport?

The best pricing can be found in the month of February. Prices to London City Airport from Key Largo average $645. You can even find prices in February for less than $645, as users have found deals to London City Airport from as low as $380. The month of December appears to be one of the more expensive times to travel to London City Airport from Key Largo. Flying in the targeted month can save you up to 22%.

Can I find deals for flights from Key Largo to London City that include hotel bookings?

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

How can I find direct flights from Key Largo to London City?

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

Can I find deals for business class flights from Key Largo to London City?

Yes. Cheapflights offers flight deals from Key Largo 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.

$408+ Flights from Key Largo to London City Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Key Largo 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 Key Largo to London City

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$734 (Delta)
One-way from	$408 (Kiwi.com)
Popular in	December
Cheapest in	February
Average price	$600

Provider with most accurate pricing for Miami-London (LON) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Miami-London (LON) flights.

Search Deals

From Key Largo to London City

Search Deals

One-way flight from Key Largo to London City

Search Deals

Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Key Largo to London City

Cheapest flights from Key Largo to London City
Explore the most affordable flight options available from Key Largo to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Tue 8/1211:15 amMIA - LCY

2 stops15h 00mVirgin Atlantic

Tue 8/268:40 amLCY - MIA

2 stops21h 20mVirgin Atlantic

Deal found 4/28

$686

Wed 10/17:40 pmMIA - LCY

1 stop18h 05mSWISS

Tue 10/79:25 amLCY - MIA

1 stop13h 05mSWISS

Deal found 4/28

$739

Thu 12/47:50 pmMIA - LCY

1 stop15h 20mITA Airways

Thu 12/118:30 amLCY - MIA

1 stop17h 25mITA Airways

Deal found 4/28

$745

Wed 10/14:40 pmMIA - LCY

1 stop18h 45mMultiple Airlines

Tue 10/149:25 amLCY - MIA

1 stop13h 05mMultiple Airlines

Deal found 4/28

$754

Sun 8/247:30 amMIA - LCY

2 stops22h 25mDelta

Wed 9/39:20 amLCY - MIA

2 stops18h 59mDelta

Deal found 4/27

$772

Wed 6/41:06 pmMIA - LCY

2 stops22h 24mBritish Airways

Mon 6/238:40 amLCY - MIA

2 stops14h 52mBritish Airways

Deal found 4/28

$866

Wed 8/274:40 pmMIA - LCY

1 stop18h 45mLufthansa

Mon 9/17:10 pmLCY - MIA

1 stop24h 30mLufthansa

Deal found 4/27

$867

Tue 4/293:55 pmMIA - LCY

1 stop22h 45mKLM

Tue 5/69:20 amLCY - MIA

2 stops16h 58mKLM

Deal found 4/28

$942

Best flights from Key Largo to London City
Discover carefully curated flight deals from Key Largo to London City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Tue 5/1311:10 amMIA - LCY

2 stops17h 20mDelta

Fri 5/237:45 amLCY - MIA

2 stops15h 22mDelta

Deal found 4/29

$734

Mon 7/287:40 pmMIA - LCY

1 stop32h 10mSWISS

Mon 8/186:05 pmLCY - MIA

1 stop28h 25mSWISS

Deal found 4/28

$748

Wed 7/237:30 pmMIA - LCY

1 stop33h 35mITA Airways

Mon 8/184:50 pmLCY - MIA

1 stop28h 10mITA Airways

Deal found 4/29

$768

Tue 7/1511:25 amMIA - LCY

2 stops17h 05mVirgin Atlantic

Wed 8/137:45 amLCY - MIA

2 stops20h 10mVirgin Atlantic

Deal found 4/29

$781

Mon 7/147:40 pmMIA - LCY

1 stop11h 50mMultiple Airlines

Mon 9/155:00 pmLCY - MIA

2 stops31h 26mMultiple Airlines

Deal found 4/28

$819

Wed 6/41:06 pmMIA - LCY

2 stops22h 24mBritish Airways

Mon 6/238:40 amLCY - MIA

2 stops14h 52mBritish Airways

Deal found 4/28

$866

Mon 5/191:57 pmMIA - LCY

2 stops21h 28mLufthansa

Thu 5/228:45 amLCY - MIA

1 stop34h 55mLufthansa

Deal found 4/29

$1,055

Wed 7/235:10 pmMIA - LCY

2 stops19h 20mAer Lingus

Wed 8/69:05 amLCY - MIA

2 stops19h 12mAer Lingus

Deal found 4/28

$1,060

Last-minute flights from Key Largo to London City
Discover last-minute flight deals from Key Largo to London City. Data last updated April 29, 2025 and is based on user searches.

Tue 4/293:55 pmMIA - LCY

1 stop22h 45mKLM

Tue 5/69:20 amLCY - MIA

2 stops16h 58mKLM

Deal found 4/28

$942

Wed 4/304:50 pmMIA - LCY

1 stop14h 40mSWISS

Tue 5/139:25 amLCY - MIA

1 stop13h 05mSWISS

Deal found 4/28

$923

Wed 5/74:40 pmMIA - LCY

1 stop18h 45mMultiple Airlines

Thu 5/159:25 amLCY - MIA

1 stop13h 05mMultiple Airlines

Deal found 4/28

$929

Thu 5/87:35 pmMIA - LCY

2 stops17h 35mLOT

Mon 5/126:40 pmLCY - MIA

2 stops27h 55mLOT

Deal found 4/29

$1,130

Thu 5/81:57 pmMIA - LCY

2 stops23h 38mLufthansa

Thu 5/158:45 amLCY - MIA

2 stops18h 06mLufthansa

Deal found 4/28

$2,099

Mon 5/127:30 pmMIA - LCY

1 stop15h 45mITA Airways

Mon 5/194:50 pmLCY - MIA

1 stop28h 10mITA Airways

Deal found 4/29

$781

Mon 5/1211:28 amMIA - LCY

2 stops14h 47mVirgin Atlantic

Tue 5/2010:00 amLCY - MIA

2 stops16h 51mVirgin Atlantic

Deal found 4/28

$967

Mon 5/124:55 pmMIA - LCY

2 stops19h 35mAer Lingus

Mon 5/198:30 pmLCY - MIA

2 stops29h 28mAer Lingus

Deal found 4/29

$1,051

Tue 5/1311:10 amMIA - LCY

2 stops17h 20mDelta

Fri 5/237:45 amLCY - MIA

2 stops15h 22mDelta

Deal found 4/29

$734

Thu 5/157:55 amMIA - LCY

2 stops19h 55mMultiple Airlines

Tue 5/209:25 amLCY - MIA

2 stops32h 53mMultiple Airlines

Deal found 4/28

$856

Mon 5/191:57 pmMIA - LCY

2 stops21h 28mLufthansa

Mon 5/267:10 pmLCY - MIA

1 stop24h 30mLufthansa

Deal found 4/29

$1,055

Thu 5/2911:28 amMIA - LCY

2 stops15h 42mVirgin Atlantic

Sun 6/88:45 pmLCY - MIA

2 stops25h 00mVirgin Atlantic

Deal found 4/28

$829

One-way flights from Key Largo to London City
Search for one-way flight options from Key Largo to London City. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Wed 6/188:35 amMIA - LCY

3 stops28h 10mMultiple Airlines

Deal found 4/28

$408

Tue 7/227:30 pmMIA - LCY

1 stop15h 45mITA Airways

Deal found 4/28

$455

Sun 7/207:00 amMIA - LCY

2 stops20h 50mDelta

Deal found 4/28

$463

Mon 5/127:40 pmMIA - LCY

1 stop11h 50mSWISS

Deal found 4/29

$466

Mon 5/1212:27 pmMIA - LCY

2 stops19h 03mUnited Airlines

Deal found 4/28

$468

Tue 5/1312:57 pmMIA - LCY

2 stops15h 33mKLM

Deal found 4/29

$473

Sun 5/184:40 pmMIA - LCY

1 stop18h 45mLufthansa

Deal found 4/28

$543

Sun 7/138:11 amMIA - LCY

2 stops18h 04mVirgin Atlantic

Deal found 4/29

$546

Wed 5/287:20 amMIA - LCY

2 stops24h 25mAer Lingus

Deal found 4/27

$660

Thu 5/2910:00 amMIA - LCY

2 stops19h 40mBritish Airways

Deal found 4/28

$703

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MiamiLondon

MIA - LCY

MIALCY

Miami

Tue 8/12

12:10 pm-8:50 am

2 stops15h 40m

London City

Mon 8/25

11:50 am-1:00 am

2 stops18h 10m

$686

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 10/1

7:40 pm-6:45 pm

1 stop18h 05m

London City

Tue 10/7

9:25 am-5:30 pm

1 stop13h 05m

$739

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 10/1

4:40 pm-4:25 pm

1 stop18h 45m

London City

Tue 10/14

9:25 am-5:30 pm

1 stop13h 05m

$754

MiamiLondon

MIA - LCY

MIALCY

Miami

Tue 8/12

7:30 pm-4:15 pm

1 stop15h 45m

London City

Tue 8/26

4:50 pm-4:00 pm

1 stop28h 10m

$756

MiamiLondon

MIA - LCY

MIALCY

Miami

Sun 8/24

7:30 am-11:20 am

2 stops22h 50m

London City

Thu 9/4

8:40 am-7:29 pm

2 stops15h 49m

$772

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 6/4

1:06 pm-4:30 pm

2 stops22h 24m

London City

Mon 6/23

8:40 am-6:32 pm

2 stops14h 52m

$866

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 8/27

4:40 pm-4:25 pm

1 stop18h 45m

London City

Mon 9/1

7:10 pm-2:40 pm

1 stop24h 30m

$867

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 5/21

12:57 pm-4:40 pm

2 stops22h 43m

London City

Wed 5/28

10:00 am-12:37 am

2 stops19h 37m

$969

MiamiLondon

MIA - LCY

MIALCY

Miami

Sat 8/2

7:35 pm-6:10 pm

2 stops17h 35m

London City

Tue 8/19

6:40 pm-5:35 pm

2 stops27h 55m

$1,025

MiamiLondon

MIA - LCY

MIALCY

Miami

Wed 6/18

8:35 am-5:45 pm

3 stops28h 10m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 results

Best time to book a flight from Key Largo to London City

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

What is the cheapest time of day to fly from KE9 to LCY?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key Largo to London City Airport as you normally would.

Rainfall in London City by month

In terms of precipitation, rainfall in London City Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London City Airport when rainfall is around 1.6 in.

Temperature in London City by month

If weather is an important factor for your trip to London City Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Key Largo to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

642 reviews

Delta

8.0

Very good

7,929 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines to fly from Key Largo to London City Airport one-way?
For one-way options, check prices for ITA Airways. According to our data, you can fly for as low as $455. Users have also found prices from $463 and $466 on Delta and SWISS, respectively.
Can I find deals for flights from Key Largo to London City that include hotel bookings?
Yes. In addition to deals on Key Largo to London City flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key Largo to London City?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key Largo to London City.
Can I find deals for business class flights from Key Largo to London City?
Yes. Cheapflights offers flight deals from Key Largo 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 Key Largo to London City Airport?
Currently, April is the cheapest month in which you can book a flight from Key Largo to London City Airport (average of $686). Flying from Key Largo 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

Hayes

Hounslow

Thornton Heath

Luton

Horley

Canterbury

Harrow

Wembley

Dover

Gatwick

Orpington

Watford

Croydon

Borehamwood

Folkestone

Ilford

Aylesbury

Chelmsford

Sutton

Brentwood

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Key Largo to London City

Orlando to Heathrow flights

Miami to Heathrow flights

Tampa to Heathrow flights

Orlando to Gatwick flights

Miami to London City flights

Miami to Gatwick flights

Tampa to Gatwick flights

Orlando to London City flights

Tampa to London City flights

Miami to Stansted flights

Orlando to Stansted flights

Fort Lauderdale to Heathrow flights

Jacksonville to Heathrow flights

West Palm Beach to Heathrow flights

Fort Lauderdale to Gatwick flights

Orlando to Luton flights

Pensacola to Heathrow flights

Miami to Luton flights

Fort Myers to Heathrow flights

Jacksonville to Gatwick flights

West Palm Beach to Gatwick flights

Jacksonville to London City flights

Panama City to Heathrow flights

Fort Myers to Gatwick flights

Melbourne to Heathrow flights

Sarasota to Heathrow flights

Fort Myers to London City flights

Daytona Beach to Heathrow flights

Fort Lauderdale to London City flights

Pensacola to London City flights

Pensacola to Gatwick flights

Tampa to Stansted flights

Tallahassee to Heathrow flights

Gainesville to Heathrow flights

Valparaiso to Heathrow flights

Tallahassee to Gatwick flights

Tampa to Luton flights

Fort Lauderdale to Stansted flights

Sarasota to Gatwick flights

Key West to Heathrow flights

West Palm Beach to London City flights

Tallahassee to London City flights

Key West to Gatwick flights

Valparaiso to Gatwick flights

Sarasota to London City flights

Gainesville to Gatwick flights

Fort Lauderdale to Luton flights

Daytona Beach to Gatwick flights

Fort Myers to Stansted flights

Valdosta to Heathrow flights

Other flights to London City

London City Airport to Dublin flights

London City Airport to Edinburgh flights

London City Airport to Amsterdam flights

London City Airport to Zurich flights

London City Airport to Amsterdam flights

London City Airport to Dublin flights

London City Airport to Barcelona-El Prat Airport flights

London City Airport to Zurich flights

London City Airport to Dublin flights

London City Airport to Florence flights

London City Airport to Edinburgh flights

London City Airport to Amsterdam flights

London City Airport to Edinburgh flights

London City Airport to Florence flights

London City Airport to Dublin 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.

$408+ Cheap flights from Key Largo, FL 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key Largo to London City with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Key Largo to London City

Keep the following information in mind while searching for Key Largo to London City flight deals. Data was last updated April 29, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Key Largo to London City

Cheapest flights from Key Largo to London CityExplore the most affordable flight options available from Key Largo to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Key Largo to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Key Largo to London City Airport that are best for you.

Best time to book a flight from Key Largo to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Key Largo with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Key Largo to London City Airport

What is the cheapest time of day to fly from KE9 to LCY?

Find hourly flight availability from Key Largo to London City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in London City by month

Plan your trip to London City by taking into account the average rainfall totals by month.

Temperature in London City by month

Plan your trip to London City by taking into account the average temperature totals by month.

Reviews of airlines servicing London City

Read reviews from past customers who have flown Delta, KLM and SWISS from Key Largo to London. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Key Largo to London City Airport one-way?

Can I find deals for flights from Key Largo to London City that include hotel bookings?

How can I find direct flights from Key Largo to London City?

Can I find deals for business class flights from Key Largo to London City?

What is the cheapest month to book a flight from Key Largo to London City Airport?

Traveling to a place near Key Largo?

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 Key Largo to London City

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Key Largo to London City
Explore the most affordable flight options available from Key Largo to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.