What are the cheapest airlines flying from Key West to London round-trip?

Currently priced at $815, United Airlines will fly you from Key West to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Virgin Atlantic - these airlines can fly you to your destination from $831 and $877, respectively. United Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest month to book a flight from Key West to London?

Currently, November is the cheapest month in which you can book a flight from Key West to London (average of $661). Flying from Key West to London in June is currently the most expensive (average of $1,115). 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 West to London?

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

What is the cheapest day to fly round-trip from Key West to London?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to London. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Key West to London?

May is one of the best times of the year to fly to London from Key West. Prices for May average $984 per person but you can even find prices for as low as $724. The most expensive prices can be found in the month of June. Opting for a May flight can save you 39% on your journey compared to booking in June

What airport do you fly from for flights from Key West to London?

Key West (EYW), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Key West to London. 0 airlines have flights from Key West to London on a regular basis. Booking flights from Key West to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.

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

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

How can I find direct flights from Key West to London?

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

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

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

$815+ Flights from Key West to London

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Cheap flight deals from Key West to London

Round-trip from	$815 (United Airlines)
Popular in	June
Cheapest in	May

From Key West to London (LON)

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($104 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Find flight deals from Key West to London

Cheapest flights from Key West to London
Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Mon 4/214:04 pmEYW - LHR

1 stop33h 16mUnited Airlines

Sat 5/172:05 pmLHR - EYW

2 stops27h 54mUnited Airlines

Deal found 3/27

$815

Mon 4/216:13 pmEYW - LHR

1 stop14h 17mKLM

Sat 5/179:20 amLHR - EYW

1 stop15h 47mKLM

Deal found 3/27

$831

Mon 4/216:13 pmEYW - LHR

2 stops31h 07mVirgin Atlantic

Sat 5/177:45 pmLHR - EYW

2 stops26h 45mVirgin Atlantic

Deal found 3/27

$877

Sat 4/2612:52 pmEYW - LHR

1 stop12h 58mAmerican Airlines

Sat 5/311:00 amLHR - EYW

1 stop14h 11mAmerican Airlines

Deal found 3/27

$882

Tue 5/67:00 amEYW - LHR

2 stops20h 55mDelta

Tue 5/276:30 amLHR - EYW

2 stops18h 37mDelta

Deal found 3/27

$905

Fri 6/132:19 pmEYW - LGW

1 stop14h 41mMultiple Airlines

Sat 6/212:00 pmLGW - EYW

1 stop28h 02mMultiple Airlines

Deal found 3/27

$928

Thu 5/811:48 amEYW - LHR

1 stop13h 57mMultiple Airlines

Tue 5/276:30 amLHR - EYW

2 stops18h 37mMultiple Airlines

Deal found 3/27

$960

Wed 5/75:30 pmEYW - LGW

2 stops36h 20mBritish Airways

Wed 5/288:40 pmLGW - EYW

2 stops27h 09mBritish Airways

Deal found 3/27

$1,066

Tue 6/241:22 pmEYW - LHR

1 stop16h 13mBritish Airways

Tue 7/159:55 amLHR - EYW

1 stop14h 06mBritish Airways

Deal found 3/27

$1,261

Best flights from Key West to London
Discover carefully curated flight deals from Key West to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Mon 4/214:04 pmEYW - LHR

1 stop33h 16mUnited Airlines

Sat 5/172:05 pmLHR - EYW

2 stops27h 54mUnited Airlines

Deal found 3/27

$815

Mon 4/216:13 pmEYW - LHR

1 stop14h 17mKLM

Sat 5/179:20 amLHR - EYW

1 stop15h 47mKLM

Deal found 3/27

$831

Mon 4/216:13 pmEYW - LHR

2 stops31h 07mVirgin Atlantic

Sat 5/177:45 pmLHR - EYW

2 stops26h 45mVirgin Atlantic

Deal found 3/27

$877

Sat 4/2612:52 pmEYW - LHR

1 stop12h 58mAmerican Airlines

Sat 5/311:00 amLHR - EYW

1 stop14h 11mAmerican Airlines

Deal found 3/27

$882

Tue 5/67:00 amEYW - LHR

2 stops20h 55mDelta

Tue 5/276:30 amLHR - EYW

2 stops18h 37mDelta

Deal found 3/27

$905

Fri 6/132:19 pmEYW - LGW

1 stop14h 41mMultiple Airlines

Sat 6/212:00 pmLGW - EYW

1 stop28h 02mMultiple Airlines

Deal found 3/27

$928

Wed 5/75:30 pmEYW - LGW

2 stops36h 20mBritish Airways

Wed 5/288:40 pmLGW - EYW

2 stops27h 09mBritish Airways

Deal found 3/27

$1,066

Thu 5/811:48 amEYW - LHR

1 stop13h 57mMultiple Airlines

Tue 5/276:30 amLHR - EYW

2 stops18h 37mMultiple Airlines

Deal found 3/27

$960

Tue 6/241:22 pmEYW - LHR

1 stop16h 13mBritish Airways

Tue 7/159:55 amLHR - EYW

1 stop14h 06mBritish Airways

Deal found 3/27

$1,261

Last-minute flights from Key West to London
Discover last-minute flight deals from Key West to London. Data last updated March 28, 2025 and is based on user searches.

Sun 4/65:20 pmEYW - LHR

1 stop14h 10mAmerican Airlines

Tue 4/228:50 amLHR - EYW

2 stops15h 05mAmerican Airlines

Deal found 3/27

$927

Mon 4/214:04 pmEYW - LHR

1 stop33h 16mUnited Airlines

Sat 5/172:05 pmLHR - EYW

2 stops27h 54mUnited Airlines

Deal found 3/27

$815

Mon 4/216:13 pmEYW - LHR

1 stop14h 17mKLM

Sat 5/179:20 amLHR - EYW

1 stop15h 47mKLM

Deal found 3/27

$831

Mon 4/216:13 pmEYW - LHR

2 stops31h 07mVirgin Atlantic

Sat 5/177:45 pmLHR - EYW

2 stops26h 45mVirgin Atlantic

Deal found 3/27

$877

Mon 4/215:10 pmEYW - LGW

1 stop34h 25mMultiple Airlines

Sat 5/172:00 pmLGW - EYW

1 stop24h 40mMultiple Airlines

Deal found 3/27

$1,036

Mon 4/219:55 amEYW - LHR

3 stops19h 05mMultiple Airlines

Sat 5/171:05 pmLHR - EYW

2 stops25h 35mMultiple Airlines

Deal found 3/27

$1,627

Sat 4/2612:52 pmEYW - LHR

1 stop12h 58mAmerican Airlines

Sat 5/311:00 amLHR - EYW

1 stop14h 11mAmerican Airlines

Deal found 3/27

$882

Sat 4/261:39 pmEYW - LGW

2 stops16h 11mBritish Airways

Sat 5/311:35 amLGW - EYW

2 stops34h 54mBritish Airways

Deal found 3/27

$2,162

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/21

4:04 pm-6:20 am

1 stop33h 16m

London Heathrow

Sat 5/17

2:05 pm-12:59 pm

2 stops27h 54m

$815

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/21

6:13 pm-1:30 pm

1 stop14h 17m

London Heathrow

Sat 5/17

9:20 am-8:07 pm

1 stop15h 47m

$831

Key WestLondon

EYW - LHR

EYWLHR

Key West

Mon 4/21

6:13 pm-6:20 am

2 stops31h 07m

London Heathrow

Sat 5/17

7:45 pm-5:30 pm

2 stops26h 45m

$877

Key WestLondon

EYW - LHR

EYWLHR

Key West

Sat 4/26

12:52 pm-6:50 am

1 stop12h 58m

London Heathrow

Sat 5/3

11:00 am-8:11 pm

1 stop14h 11m

$882

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 5/6

7:00 am-8:55 am

2 stops20h 55m

London Heathrow

Tue 5/27

6:30 am-8:07 pm

2 stops18h 37m

$905

Key WestLondon

EYW - LGW

EYWLGW

Key West

Fri 6/13

2:19 pm-10:00 am

1 stop14h 41m

London Gatwick

Sat 6/21

2:00 pm-1:02 pm

1 stop28h 02m

$928

Key WestLondon

EYW - LHR

EYWLHR

Key West

Thu 5/8

11:48 am-6:45 am

1 stop13h 57m

London Heathrow

Tue 5/27

6:30 am-8:07 pm

2 stops18h 37m

$960

Key WestLondon

EYW - LGW

EYWLGW

Key West

Wed 5/7

5:30 pm-10:50 am

2 stops36h 20m

London Gatwick

Wed 5/28

8:40 pm-6:49 pm

2 stops27h 09m

$1,066

Key WestLondon

EYW - LHR

EYWLHR

Key West

Tue 6/24

1:22 pm-10:35 am

1 stop16h 13m

London Heathrow

Tue 7/15

9:55 am-7:01 pm

1 stop14h 06m

$1,261

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Key West to London

Have a flexible travel schedule? Discover the best time to fly to London from Key West 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 West to London

What is the cheapest time of day to fly from EYW to LON?

When flying from Key West to London, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 23% versus a flight at noon.

Rainfall in London by month

In terms of precipitation, rainfall in London 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 when rainfall is around 1.6 in.

Temperature in London by month

If weather is an important factor for your trip to London, 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

To help decide which airline to fly from Key West to London, see what other customers have to say about Delta, KLM and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,896 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

7,896 reviews

Delta

8.0

Very good

7,896 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

1,321 reviews

Delta

8.0

Very good

7,896 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

8,603 reviews

Delta

8.0

Very good

7,896 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

634 reviews

Delta

8.0

Very good

7,896 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.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,896 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 airport do you fly from for flights from Key West to London?
Key West (EYW), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Key West to London. 0 airlines have flights from Key West to London on a regular basis. Booking flights from Key West to London should not be difficult; the airport handles an average of 0 outbound flights to London per day.
What are the cheapest airlines flying from Key West to London round-trip?
Currently priced at $815, United Airlines will fly you from Key West to London and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Virgin Atlantic - these airlines can fly you to your destination from $831 and $877, respectively. United Airlines is priced at 17% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Key West to London that include hotel bookings?
Yes. In addition to deals on Key West to London flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key West to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Key West to London.
Can I find deals for business class flights from Key West to London?
Yes. Cheapflights offers flight deals from Key West to London 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 West to London?
Currently, November is the cheapest month in which you can book a flight from Key West to London (average of $661). Flying from Key West to London in June is currently the most expensive (average of $1,115). 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

Hounslow

Hayes

Thornton Heath

Luton

Wembley

Harrow

Horley

Canterbury

Gatwick

Dover

Orpington

Watford

Milton Keynes

Croydon

Borehamwood

Bromley

Folkestone

Ilford

Aylesbury

Sutton

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$815+ Cheap flights from Key West (EYW) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key West to London 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 West to London

Round-trip from

Popular in

Cheapest in

Find flight deals from Key West to London

Cheapest flights from Key West to LondonExplore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Key West to London

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

Cheapflights Insights

Everything you need to know about your flight from Key West to London

What is the cheapest time of day to fly from EYW to LON?

Find hourly flight availability from Key West to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in London by month

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

Temperature in London by month

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

Reviews of airlines servicing London

To help decide which airline to fly from Key West to London, see what other customers have to say about Delta, KLM and United Airlines. You can also see how each airline compares 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 West to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Key West to London?

What are the cheapest airlines flying from Key West to London round-trip?

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

How can I find direct flights from Key West to London?

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

What is the cheapest month to book a flight from Key West to London?

Traveling to a place near Key West?

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Alternative routes for Key West to London

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Cheapest flights from Key West to London
Explore the most affordable flight options available from Key West to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.