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$522+ Cheap flights from Key Largo, FL to Portsmouth, England

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — LHR
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Key Largo to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Key Largo (KE9) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$821
(Delta)

One-way from

$522
(Delta)
From Key Largo to Portsmouth
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One-way flight from Key Largo to Portsmouth
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Find flight deals from Key Largo to Portsmouth

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

This Delta deal was found by Cheapflights users on 1/21. 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.
Tue 1/284:45 pmMIA - SOU
1 stop19h 05mDelta
Thu 2/69:00 amSOU - MIA
1 stop34h 30mDelta
Deal found 1/21$821
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:50 pmMIA - SOU
1 stop32h 55mAer Lingus
Mon 3/248:10 pmSOU - MIA
2 stops29h 54mAer Lingus
Deal found 1/20$909
This KLM deal was found by Cheapflights users on 1/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:35 pmMIA - SOU
2 stops16h 25mKLM
Sun 10/59:20 amSOU - MIA
2 stops18h 59mKLM
Deal found 1/21$928
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Fri 3/78:45 pmMIA - SOU
2 stops33h 25mMultiple Airlines
Fri 3/148:10 amSOU - MIA
2 stops15h 35mMultiple Airlines
Deal found 1/21$994
This British Airways deal was found by Cheapflights users on 1/21. 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.
Wed 3/56:50 pmMIA - SOU
1 stop15h 45mBritish Airways
Mon 3/107:55 pmSOU - MIA
2 stops25h 50mBritish Airways
Deal found 1/21$1,654

Find flights from Key Largo to Portsmouth within your budget

Customize your flight search to find flights from Key Largo to Portsmouth 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Fri 1/31

4:25 pm-8:50 am

1 stop11h 25m

Southampton Eastleigh

Mon 2/3

5:20 pm-2:45 pm

1 stop26h 25m

$871

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Fri 3/7

6:50 pm-8:45 am

1 stop32h 55m

Southampton Eastleigh

Mon 3/24

8:10 pm-10:04 pm

2 stops29h 54m

$909

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Fri 3/7

8:45 pm-11:10 am

2 stops33h 25m

Southampton Eastleigh

Fri 3/14

8:10 am-7:45 pm

2 stops15h 35m

$994

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Fri 3/7

4:25 pm-4:50 pm

1 stop19h 25m

Southampton Eastleigh

Mon 3/24

9:00 am-3:45 pm

1 stop34h 45m

$1,090

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Wed 3/5

6:50 pm-3:35 pm

1 stop15h 45m

Southampton Eastleigh

Mon 3/10

7:55 pm-5:45 pm

2 stops25h 50m

$1,654

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Tue 3/4

4:45 pm-4:50 pm

1 stop19h 05m

$522

MiamiSouthampton

MIA - SOU

MIASOU

Miami

Wed 3/5

6:50 pm-3:35 pm

1 stop15h 45m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Key Largo to Portsmouth

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

Travel insights for flights from Key Largo to Portsmouth

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

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

Currently, November is the cheapest month in which you can book a flight from Key Largo to Portsmouth (average of $661). Flying from Key Largo to Portsmouth in June is currently the most expensive (average of $1,137). 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 P0R?

Find hourly flight availability from Key Largo to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

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

What is the cheapest day to fly from Key Largo to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Portsmouth. Price data was last updated on December 16, 2024.

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

Weekly flight availability from Key Largo to Portsmouth

Explore weekly flight availability from Key Largo to Portsmouth. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 21, 2025.

The most flights from KE9 to P0R are scheduled on a Monday (35 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (29 on average).

Rainfall in Portsmouth by month

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

In terms of precipitation, rainfall in Portsmouth 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 Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

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

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

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated January 21, 2025.
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aer Lingus
7.1
Good
1,082 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

British Airways
6.6
Okay
6,834 reviews
Delta
8.0
Very good
8,521 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

7.9

Comfort

8.0

Reviews

1 / 10

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 Portsmouth. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most reliable airlines from Key Largo to Portsmouth?

    No one likes to see their flight delayed. When booking a flight from Key Largo to Portsmouth consider choosing Malaysia Airlines (63%), SriLankan Airlines (58%) or Gulf Air (58%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Key Largo to Portsmouth?

    While on average a flight from Key Largo to Portsmouth is generally $2,366, our data shows the cheapest flight currently is $312. When looking at the most popular route, (Miami - Southampton Eastleigh), you can expect to pay $836 for that flight.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Key Largo to Portsmouth (average of $661). Flying from Key Largo to Portsmouth in June is currently the most expensive (average of $1,137). 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.

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Top 10 airlines flying from Key Largo to Portsmouth

Discover the top 10 airlines that operate flights from Key Largo to Portsmouth. 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$203Average$595FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$284Average$531FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$369Average$664FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$431Average$717FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$452Average$766FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$455Average$754FlexibilityNo cancel feeOn-time76%
SWISSCheapest$468Average$563FlexibilityNo cancel feeOn-time79%
DeltaCheapest$481Average$826FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$513Average$742FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$517Average$752FlexibilityNo cancel feeOn-time70%
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