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Cheap flights from Southampton to Florida Keys from £449

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — EYW
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to Florida Keys

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Florida Keys
Explore the most affordable flight options available from Southampton to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Tue 23/1217:30SOU - MIA
2 stops36h 01mDelta
Wed 31/1211:45MIA - SOU
2 stops24h 40mDelta
Deal found 3/12£635
Wed 24/1208:40SOU - MIA
2 stops20h 51mDelta
Wed 31/1212:45MIA - SOU
2 stops14h 35mDelta
Deal found 3/12£718
Tue 23/1217:30SOU - MIA
2 stops36h 01mDelta
Mon 29/1207:25MIA - SOU
2 stops19h 45mDelta
Deal found 3/12£865
Mon 22/1218:05SOU - MIA
1 stop25h 45mDelta
Wed 31/1212:45MIA - SOU
2 stops14h 35mDelta
Deal found 3/12£902
Sun 21/1209:30SOU - MIA
2 stops30h 30mDelta
Wed 31/1212:45MIA - SOU
2 stops14h 35mDelta
Deal found 3/12£942
Wed 24/1208:35SOU - MIA
2 stops35h 05mBritish Airways
Mon 29/1222:00MIA - SOU
2 stops16h 10mBritish Airways
Deal found 3/12£1,014
Tue 23/1219:55SOU - MIA
2 stops28h 35mBritish Airways
Wed 31/1219:05MIA - SOU
1 stop15h 30mBritish Airways
Deal found 3/12£1,096
Sat 20/1217:30SOU - MIA
2 stops34h 53mDelta
Wed 24/1215:35MIA - SOU
2 stops35h 30mDelta
Deal found 4/12£1,433
Sat 20/1217:30SOU - MIA
1 stop26h 20mKLM
Wed 24/1220:00MIA - SOU
2 stops31h 05mKLM
Deal found 4/12£1,485
Sat 20/1217:30SOU - MIA
2 stops28h 48mVirgin Atlantic
Wed 24/1217:45MIA - SOU
2 stops42h 15mVirgin Atlantic
Deal found 4/12£1,495
Sat 20/1217:30SOU - MIA
3 stops30h 50mMultiple Airlines
Wed 24/1223:35MIA - SOU
3 stops27h 30mMultiple Airlines
Deal found 4/12£1,611

Find flight deals from Southampton to Florida Keys

Keep the following information in mind while searching for Southampton to Florida Keys flight deals. Data was last updated 5 December 2025.

Round-trip from

£449

Popular in

December

Cheapest in

September

Average price

£627
Virgin Atlantic
  • Virgin Atlantic
  • 16/1-23/1
  • 3 total stops
  • 41h 36m total
  • Southampton to Florida Keys
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to Florida Keys 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 858,174 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Southampton to Florida Keys that are best for you.

Fly from

Southampton

Fly to

Florida Keys

Route

Depart

Return

Price

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 16/1

17:35-19:16

2 stops30h 41m

Miami

Fri 23/1

16:50-08:45

1 stop10h 55m

£449

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 23/3

17:35-15:50

1 stop26h 15m

Miami

Tue 31/3

18:29-16:50

2 stops17h 21m

£519

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Tue 24/3

08:40-22:46

2 stops18h 06m

Miami

Tue 31/3

11:23-08:35

2 stops16h 12m

£519

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 22/3

09:30-10:46

2 stops29h 16m

Miami

Tue 31/3

07:00-08:35

2 stops20h 35m

£522

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 19/3

08:50-10:40

2 stops29h 50m

Miami

Thu 2/4

19:38-16:50

2 stops16h 12m

£555

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 22/3

09:30-10:46

2 stops29h 16m

Miami

Thu 2/4

19:38-16:50

2 stops16h 12m

£558

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 22/3

09:30-10:46

2 stops29h 16m

Miami

Wed 1/4

18:29-16:50

2 stops17h 21m

£558

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 18/1

09:30-14:40

2 stops34h 10m

Miami

Sun 25/1

07:25-19:40

2 stops31h 15m

£604

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 18/1

17:45-18:54

2 stops30h 09m

Miami

Sun 25/1

16:50-08:50

1 stop11h 00m

£634

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Tue 23/12

17:30-00:31

2 stops36h 01m

Miami

Wed 31/12

11:45-17:25

2 stops24h 40m

£635

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 16 results
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Best time to book a flight from Southampton to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Southampton with our price prediction graph.
Estimated return 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 Southampton to Florida Keys

What is the cheapest month to book a flight from Southampton to Florida Keys?

Currently, March is the cheapest month in which you can book a flight from Southampton to Florida Keys (average of £441). Flying from Southampton to Florida Keys in July is currently the most expensive (average of £631). 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.

Related info for your journey

Find useful and relevant information for your journey from Southampton to Florida Keys. 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 Southampton to Florida Keys?

    For a flight from Southampton to Florida Keys, you will be flying from Eastleigh. Southampton Eastleigh (SOU) is just 3.5 mi from the center of the city.

  • How long is the flight from Southampton to Florida Keys?

    A quick flight from Southampton to Florida Keys can take about 26h 15m. Virgin Atlantic provides one of the quickest options available for as low as £519. Airlines will cover a distance of 4381 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Southampton to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Southampton to Florida Keys flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Southampton to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Florida Keys.

  • Can I find deals for business class flights from Southampton to Florida Keys?

    Yes. Cheapflights offers flight deals from Southampton to Florida Keys 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 Southampton to Florida Keys?

    Currently, March is the cheapest month in which you can book a flight from Southampton to Florida Keys (average of £441). Flying from Southampton to Florida Keys in July is currently the most expensive (average of £631). 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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Southampton to Florida Keys?

Deals for Southampton to Florida Keys flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Southampton to Florida Keys?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to Florida Keys for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Southampton to Florida Keys with no change fees?

Need flexible booking options for your flight to Florida Keys from Southampton? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Southampton to Florida Keys become cheaper?

Of course! You can now track prices for flights from Southampton to Florida Keys and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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