HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Southampton

$970+ Cheap flights from Key Largo, FL to Southampton (SOU)

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SOU
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Key Largo to Southampton 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 Southampton

Keep the following information in mind while searching for Key Largo to Southampton flight deals. Data was last updated abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$970
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$913
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 Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($68 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 Southampton

Cheapest flights from Key Largo to Southampton
Explore the most affordable flight options available from Key Largo to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1210:40 amMIA - SOU
3 stops24h 05mMultiple Airlines
dom. 9/288:55 amSOU - MIA
2 stops34h 25mMultiple Airlines
Deal found 4/17$970
This Virgin Atlantic deal was found by Cheapflights users on 4/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/1411:28 amMIA - SOU
2 stops16h 17mVirgin Atlantic
sáb. 5/246:05 pmSOU - MIA
2 stops29h 44mVirgin Atlantic
Deal found 4/16$1,064
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/47:01 amMIA - SOU
2 stops44h 14mAer Lingus
dom. 5/119:10 amSOU - MIA
2 stops39h 15mAer Lingus
Deal found 4/17$1,107
This Delta deal was found by Cheapflights users on 4/17. 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.
dom. 6/811:24 amMIA - SOU
2 stops16h 21mDelta
mié. 7/25:35 pmSOU - MIA
2 stops21h 32mDelta
Deal found 4/17$1,253

Cheapflights Fare Finder

Customize your flight search to find flights from Key Largo to Southampton 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 abril 17, 2025.
Use the filters below to find and compare flights from Key Largo to Southampton that are best for you.

Fly from

Key Largo

Fly to

Southampton

Route

Depart

Return

Price

MiamiSouthampton

MIA - SOU

MIASOU

Miami

vie. 9/12

10:40 am-3:45 pm

3 stops24h 05m

Southampton Eastleigh

dom. 9/28

8:55 am-2:20 pm

2 stops34h 25m

$970

MiamiSouthampton

MIA - SOU

MIASOU

Miami

mié. 5/14

11:28 am-8:45 am

2 stops16h 17m

Southampton Eastleigh

sáb. 5/24

6:05 pm-6:49 pm

2 stops29h 44m

$1,064

MiamiSouthampton

MIA - SOU

MIASOU

Miami

dom. 5/4

7:01 am-8:15 am

2 stops44h 14m

Southampton Eastleigh

dom. 5/11

9:10 am-7:25 pm

2 stops39h 15m

$1,107

MiamiSouthampton

MIA - SOU

MIASOU

Miami

dom. 6/8

11:24 am-8:45 am

2 stops16h 21m

Southampton Eastleigh

mié. 7/2

5:35 pm-10:07 am

2 stops21h 32m

$1,253

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Best time to book a flight from Key Largo to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton 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 Southampton

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

Currently, November is the cheapest month in which you can book a flight from Key Largo to Southampton (average of $787). Flying from Key Largo to Southampton in June is currently the most expensive (average of $1,308). 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 time of day to fly from KE9 to SOU?

Find hourly flight availability from Key Largo to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

When flying from Key Largo to Southampton, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Southampton by month

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

In terms of precipitation, rainfall in Southampton ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Southampton when rainfall is around 1.0 in.

Temperature in Southampton by month

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

If weather is an important factor for your trip to Southampton, 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 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. 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 Southampton. Reviews last updated abril 17, 2025.
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

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.
Aer Lingus
7.0
Good
1,063 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

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

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

    Southampton Eastleigh (SOU) is the airport you will fly into if you book a flight from Key Largo to Southampton. You should not have trouble finding flights to Eastleigh from Key Largo; the airport handles an average of 0 inbound flights from Key Largo per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Southampton airport from Key Largo. It is only a 3.5 mi journey from Eastleigh (SOU) to Southampton’s city center.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Southampton (average of $787). Flying from Key Largo to Southampton in June is currently the most expensive (average of $1,308). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Key Largo to Southampton

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Heathrow flights
Orlando to Heathrow flights
Tampa to Heathrow flights
Orlando to Gatwick flights
Tampa to Gatwick flights
Miami to London City flights
Miami to Gatwick flights
Orlando to London City flights
Tampa to London City flights
Miami to Stansted flights
Orlando to Edinburgh flights
Jacksonville to Heathrow flights
Orlando to Stansted flights
Orlando to Manchester flights
Fort Lauderdale to Heathrow flights
Fort Lauderdale to Gatwick flights
Jacksonville to Gatwick flights
West Palm Beach to Heathrow flights
Miami to Luton flights
Miami to Edinburgh flights
Orlando to Luton flights
Jacksonville to London City flights
Tampa to Edinburgh flights
Pensacola to Heathrow flights
Fort Myers to Heathrow flights
Jacksonville to Edinburgh flights
West Palm Beach to Gatwick flights
Miami to Manchester flights
Fort Myers to Gatwick flights
Panama City to Heathrow flights
Fort Lauderdale to Edinburgh flights
Tampa to Stansted flights
Fort Myers to London City flights
Pensacola to Edinburgh flights
Fort Lauderdale to London City flights
Sarasota to Heathrow flights
Fort Lauderdale to Stansted flights
Tampa to Manchester flights
Daytona Beach to Heathrow flights
Melbourne to Heathrow flights
Tallahassee to Heathrow flights
Orlando to Southampton flights
Gainesville to Heathrow flights
Pensacola to London City flights
Tallahassee to Gatwick flights
Pensacola to Gatwick flights
Fort Myers to Edinburgh flights
Sarasota to Edinburgh flights
Fort Lauderdale to Manchester flights
West Palm Beach to Edinburgh flights

Top airline flying from Key Largo to Southampton

Discover the top airline that operate flights from Key Largo to Southampton. 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 2,558,603 searches. Data last updated abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$846Average$1,039FlexibilityNo cancel feeOn-timeN/A

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.