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Cheap flights from Southampton to Key Largo from £367

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — MIA
26 Feb — 5 Mar1
1 adult

Cheap flight deals from Southampton to Key Largo

Keep the following information in mind while searching for Southampton to Key Largo flight deals. Data was last updated 21 February 2025.

Round-trip from

£616

One-way from

£367

Popular in

December

Cheapest in

September

Average price

£474
Virgin Atlantic
  • Virgin Atlantic
  • 20/4-30/4
  • 4 total stops
  • 73h 17m total
  • Southampton to Key Largo
Search Deals
21/4
  • 21/4
  • 1 total stop
  • 28h 55m total
  • Southampton to Key Largo
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£3 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 February 2025
Search Deals

Find flight deals from Southampton to Key Largo

Cheapest flights from Southampton to Key Largo
Explore the most affordable flight options available from Southampton to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Sun 20/418:25SOU - MIA
2 stops27h 32mVirgin Atlantic
Wed 30/406:00MIA - SOU
2 stops45h 45mVirgin Atlantic
Deal found 21/2£616
Mon 20/1017:35SOU - MIA
2 stops26h 26mDelta
Mon 3/1108:30MIA - SOU
2 stops18h 55mDelta
Deal found 20/2£703
Sun 6/420:00SOU - MIA
3 stops30h 04mMultiple Airlines
Sun 13/417:15MIA - SOU
2 stops33h 15mMultiple Airlines
Deal found 20/2£855
Sun 6/420:00SOU - MIA
2 stops40h 51mAer Lingus
Sun 13/406:00MIA - SOU
2 stops45h 15mAer Lingus
Deal found 20/2£926

Find flights from Southampton to Key Largo within your budget

Customise your flight search to find flights from Southampton to Key Largo 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 21 February 2025.

Fly from

Southampton

Fly to

Key Largo

Route

Depart

Return

Price

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 20/4

18:25-16:57

2 stops27h 32m

Miami

Wed 30/4

06:00-08:45

2 stops45h 45m

£616

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 6/4

20:00-21:04

3 stops30h 04m

Miami

Sun 13/4

17:15-07:30

2 stops33h 15m

£855

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 13/4

18:25-20:43

2 stops31h 18m

Miami

Tue 22/4

11:14-08:45

2 stops16h 31m

£904

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 6/4

20:00-07:51

2 stops40h 51m

Miami

Sun 13/4

06:00-08:15

2 stops45h 15m

£926

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 21/4

19:25-19:20

1 stop28h 55m

£367

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 3/3

09:00-14:45

1 stop34h 45m

£1,126

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from Southampton to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo 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.

Travel insights for flights from Southampton to Key Largo

Get recent, data-driven insights about flights from Southampton to Key Largo including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Southampton to Key Largo?

Currently, January is the cheapest month in which you can book a flight from Southampton to Key Largo (average of £559). Flying from Southampton to Key Largo in July is currently the most expensive (average of £760). 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.

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 41.0 - 252.0 inches per month. September is typically the wettest month, when rainfall can reach 252.0 mm. January is typically the driest time to visit Key Largo when rainfall is around 41.0 mm.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, 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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated 21 February 2025.
Delta
8.0
Very Good
8,212 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Delta
8.0
Very Good
8,212 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Virgin Atlantic
7.5
Good
654 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Aer Lingus
7.0
Good
1,070 reviews
Delta
8.0
Very Good
8,212 reviews
Check prices

Comfort

8.0

Entertainment

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20

6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Related info for your journey

Find useful and relevant information for your journey from Southampton to Key Largo. 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 Key Largo?

    Southampton Eastleigh (SOU), located 3.5 mi from the city center, is the airport you fly out of when you book flights from Southampton to Key Largo. 1 airline have flights from Eastleigh to Key Largo on a regular basis. Booking flights from Southampton Eastleigh to Key Largo should not be difficult; the airport handles an average of 0 outbound flights to Key Largo per day.

  • Can I find deals for flights from Southampton to Key Largo that include hotel bookings?

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

  • How can I find direct flights from Southampton to Key Largo?

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

  • Can I find deals for business class flights from Southampton to Key Largo?

    Yes. Cheapflights offers flight deals from Southampton to Key Largo 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 Key Largo?

    Currently, January is the cheapest month in which you can book a flight from Southampton to Key Largo (average of £559). Flying from Southampton to Key Largo in July is currently the most expensive (average of £760). 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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Top airline flying from Southampton to Key Largo

Discover the top airline that operate flights from Southampton to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest£457Average£605FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Southampton to Key Largo?

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Why should you use Cheapflights to find cheap flight tickets from Southampton to Key Largo?

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Can Cheapflights find flights from Southampton to Key Largo with no change fees?

Yes, we can. To see specific flights from Southampton to Key Largo with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Southampton to Key Largo become cheaper?

Yes! Start tracking prices for Southampton to Key Largo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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