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$601+ Cheap flights from Key Largo, FL to Southampton (SOU)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — SOU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$864
(Delta)

One-way from

$601
(Delta)

Popular in

December

Cheapest in

February

Average price

$569
Provider with most accurate pricing for Miami-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Miami-London (LON) flights.
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From Key Largo to Southampton Eastleigh
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One-way flight from Key Largo to Southampton Eastleigh
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Highest demand for flights based on searches. 2% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Delta deal was found by Cheapflights users on 3/29. 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.
Mon 4/287:00 amMIA - SOU
2 stops20h 50mDelta
Mon 5/55:35 pmSOU - MIA
1 stop25h 20mDelta
Deal found 3/29$864
This Expedia deal was found by Cheapflights users on 3/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/287:06 pmMIA - SOU
2 stops56h 39mVirgin Atlantic
Mon 5/55:35 pmSOU - MIA
2 stops21h 34mVirgin Atlantic
Deal found 3/29$916
This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1712:35 amMIA - SOU
2 stops26h 40mMultiple Airlines
Mon 9/19:40 amSOU - MIA
2 stops34h 05mMultiple Airlines
Deal found 3/30$939
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/108:50 pmMIA - SOU
2 stops30h 20mBritish Airways
Sat 6/219:40 amSOU - MIA
2 stops28h 50mBritish Airways
Deal found 3/30$2,173

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 March 31, 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

Mon 4/28

7:00 am-8:50 am

2 stops20h 50m

Southampton Eastleigh

Mon 5/5

5:35 pm-1:55 pm

1 stop25h 20m

$864

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Mon 4/28

7:06 pm-8:45 am

2 stops56h 39m

Southampton Eastleigh

Mon 5/5

5:35 pm-10:09 am

2 stops21h 34m

$916

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Sun 8/17

12:35 am-8:15 am

2 stops26h 40m

Southampton Eastleigh

Mon 9/1

9:40 am-2:45 pm

2 stops34h 05m

$939

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Sat 5/10

8:50 pm-8:10 am

2 stops30h 20m

Southampton Eastleigh

Sat 6/21

9:40 am-9:30 am

2 stops28h 50m

$2,173

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Wed 5/14

2:48 pm-5:00 pm

2 stops21h 12m

$601

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 March 31, 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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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
636 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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.
British Airways
6.6
Okay
6,713 reviews
Delta
8.0
Very good
7,899 reviews

Comfort

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Food

7.3

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

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$815Average$1,039FlexibilityNo cancel feeOn-timeN/A
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