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Cheap flights from Key Largo, FL to Portsmouth, England from $487

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
MIA — LHR
May 27 — Jun 31
From?
To?
Mon 5/27
Mon 6/3
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 May 22, 2024.

Popular in

April

Cheapest in

October

Round-trip from

$643

One-way from

$600
High demand for flights, 26% potential price rise
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Best time to find cheap flights, 29% potential price drop
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From Key Largo to Portsmouth
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One-way flight from Key Largo to Portsmouth
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How far in advance should I book a flight from Key Largo to Portsmouth?

Find a great deal and save up to 24% by booking at least 37 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Key Largo to Portsmouth within the next two weeks, with the cheapest ticket starting at $684.

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

February is one of the best times of the year to fly to Portsmouth from Key Largo. Prices for February average $681 per person but you can even find prices for as low as $328. The most expensive prices can be found in the month of July. Opting for a February flight can save you 29% on your journey compared to booking in July

When is the cheapest time to fly from Key Largo to Portsmouth (KE9 - P0R)?

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.

Cheap British Airways flights from Key Largo to Portsmouth

Explore cheap flight options specifically provided by British Airways for the route between Key Largo and Portsmouth. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Wed 10/167:05 amMIA - SOU
2 stops21h 05mBritish Airways
Thu 10/318:40 amSOU - MIA
2 stops15h 25mBritish Airways
Deal found 5/21$990
Wed 10/168:30 amMIA - SOU
2 stops19h 40mBritish Airways
Sat 10/269:40 amSOU - MIA
2 stops28h 55mBritish Airways
Deal found 5/21$1,035
Mon 9/98:30 amMIA - SOU
2 stops19h 40mBritish Airways
Tue 9/249:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,041
Thu 9/511:53 amMIA - SOU
2 stops16h 17mBritish Airways
Thu 9/199:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,061
Fri 9/1311:50 amMIA - SOU
2 stops22h 55mBritish Airways
Sat 9/289:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,112
Mon 8/128:20 amMIA - SOU
2 stops19h 50mBritish Airways
Tue 8/209:40 amSOU - MIA
2 stops28h 49mBritish Airways
Deal found 5/22$1,115
Thu 9/58:30 amMIA - SOU
2 stops19h 40mBritish Airways
Sat 9/219:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,141
Mon 6/310:03 amMIA - SOU
2 stops18h 07mBritish Airways
Tue 6/117:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$1,159
Sun 8/1112:00 pmMIA - SOU
2 stops16h 10mBritish Airways
Sat 8/249:40 amSOU - MIA
2 stops28h 49mBritish Airways
Deal found 5/20$1,231

Cheap Key Largo to Portsmouth flights in May & June 2024

Find cheap flight options from Key Largo to Portsmouth specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on May 22, 2024.
Mon 6/310:03 amMIA - SOU
2 stops18h 07mBritish Airways
Tue 6/117:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$1,159
Mon 6/38:00 amMIA - SOU
2 stops20h 10mBritish Airways
Thu 6/137:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$1,253
Tue 6/410:03 amMIA - SOU
2 stops18h 07mBritish Airways
Tue 6/117:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/21$1,316
Mon 6/248:20 amMIA - SOU
2 stops19h 50mBritish Airways
Thu 7/49:40 amSOU - MIA
2 stops28h 55mBritish Airways
Deal found 5/22$1,338
Mon 6/1011:00 amMIA - SOU
2 stops17h 10mBritish Airways
Wed 6/267:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/21$1,373
Fri 6/143:30 pmMIA - SOU
2 stops19h 15mBritish Airways
Sun 6/237:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/21$1,475
Tue 6/258:20 amMIA - SOU
2 stops19h 50mBritish Airways
Thu 7/49:40 amSOU - MIA
2 stops28h 55mBritish Airways
Deal found 5/22$1,495
Mon 6/108:20 amMIA - SOU
2 stops19h 50mBritish Airways
Sun 6/307:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/22$1,523
Tue 6/2511:00 amMIA - SOU
2 stops17h 10mBritish Airways
Tue 7/27:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/22$1,530

Key Largo to Portsmouth 2024 flight deals

Discover exclusive flight deals for travel between Key Largo and Portsmouth in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Wed 9/187:30 amMIA - SOU
2 stops18h 55mDelta
Wed 10/27:55 amSOU - MIA
2 stops16h 23mDelta
Deal found 5/21$819
Wed 10/167:05 amMIA - SOU
2 stops21h 05mBritish Airways
Thu 10/318:40 amSOU - MIA
2 stops15h 25mBritish Airways
Deal found 5/21$990
Wed 10/168:30 amMIA - SOU
2 stops19h 40mBritish Airways
Sat 10/269:40 amSOU - MIA
2 stops28h 55mBritish Airways
Deal found 5/21$1,035
Mon 9/98:30 amMIA - SOU
2 stops19h 40mBritish Airways
Tue 9/249:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,041
Thu 9/511:53 amMIA - SOU
2 stops16h 17mBritish Airways
Thu 9/199:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,061
Fri 9/1311:50 amMIA - SOU
2 stops22h 55mBritish Airways
Sat 9/289:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,112
Mon 8/128:20 amMIA - SOU
2 stops19h 50mBritish Airways
Tue 8/209:40 amSOU - MIA
2 stops28h 49mBritish Airways
Deal found 5/22$1,115
Thu 9/58:30 amMIA - SOU
2 stops19h 40mBritish Airways
Sat 9/219:40 amSOU - MIA
2 stops28h 52mBritish Airways
Deal found 5/21$1,141
Mon 6/310:03 amMIA - SOU
2 stops18h 07mBritish Airways
Tue 6/117:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$1,159

Key Largo to Portsmouth flights leaving soon

Find last-minute flight options from Key Largo to Portsmouth for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Sat 6/16:03 amMIA - SOU
2 stops22h 07mBritish Airways
Tue 6/117:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$2,136
Sat 6/110:03 amMIA - SOU
2 stops18h 07mBritish Airways
Thu 6/137:55 pmSOU - MIA
2 stops24h 05mBritish Airways
Deal found 5/20$2,487

One-way flights to Portsmouth from Key Largo

Search for one-way flight options from Key Largo to Portsmouth. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated May 22, 2024.
Sun 9/15:20 pmMIA - SOU
2 stops20h 35mMultiple Airlines
Deal found 5/21$487
Wed 10/161:40 pmMIA - SOU
2 stops14h 30mBritish Airways
Deal found 5/21$596
Fri 10/1811:35 amMIA - SOU
2 stops14h 50mKLM
Deal found 5/21$600
Sun 9/15:20 pmMIA - SOU
3 stops21h 05mMultiple Airlines
Deal found 5/21$619
Sun 9/110:00 amMIA - SOU
2 stops18h 10mBritish Airways
Deal found 5/22$638
Mon 9/25:20 pmMIA - SOU
2 stops17h 40mBritish Airways
Deal found 5/21$669
Mon 6/248:20 amMIA - SOU
2 stops19h 50mBritish Airways
Deal found 5/21$681
Mon 7/2212:40 pmMIA - SOU
2 stops15h 30mBritish Airways
Deal found 5/21$686
Tue 6/185:20 pmMIA - SOU
2 stops17h 40mBritish Airways
Deal found 5/22$693

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 2,730,072 searches. Data last updated May 22, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$819 - $1,159

Route

Depart

Return

Price

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Wed 9/18

2 stops18h 55m

Southampton Eastleigh

Wed 10/2

2 stops16h 23m

$819

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Wed 10/16

2 stops21h 05m

Southampton Eastleigh

Thu 10/31

2 stops15h 25m

$990

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Wed 10/16

2 stops19h 40m

Southampton Eastleigh

Sat 10/26

2 stops28h 55m

$1,035

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Mon 9/9

2 stops19h 40m

Southampton Eastleigh

Tue 9/24

2 stops28h 52m

$1,041

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Thu 9/5

2 stops16h 17m

Southampton Eastleigh

Thu 9/19

2 stops28h 52m

$1,061

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Fri 9/13

2 stops22h 55m

Southampton Eastleigh

Sat 9/28

2 stops28h 52m

$1,112

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Mon 8/12

2 stops19h 50m

Southampton Eastleigh

Tue 8/20

2 stops28h 49m

$1,115

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Thu 9/5

2 stops19h 40m

Southampton Eastleigh

Sat 9/21

2 stops28h 52m

$1,141

MiamiSouthampton Eastleigh

MIA - SOU

MIASOU

Miami

Mon 6/3

2 stops18h 07m

Southampton Eastleigh

Tue 6/11

2 stops24h 05m

$1,159

Flights are sorted by cheapest first

Deals found on 5/21

When is the cheapest time 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 May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Key Largo to Portsmouth flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

Temperature and rainfall in Portsmouth by month

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

LON

Temperature

39.2 - 62.6 °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 May 22, 2024.
Delta
8.0
Very good
10,585 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

Delta
8.0
Very good
10,585 reviews
Delta
8.0
Very good
10,585 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

KLM
7.9
Good
1,555 reviews
Delta
8.0
Very good
10,585 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

British Airways
6.8
Okay
6,794 reviews
Delta
8.0
Very good
10,585 reviews
Check prices

Entertainment

8.0

Food

7.4

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Reviews

1 / 10

When I was going to board, one of the staff members told me that I could not board with my passport bag because it was tree items and I would need to check a bag. This was so stupid ! The bag was small. So I had to put my things in my pockets, put the funny bag inside the other bag. Then go throw it. Then in the plane put everything back again in my funny bag.

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.

  • Can I find flights from Key Largo to Portsmouth for under $900 on Cheapflights?

    Yes, there are multiple flights from Key Largo to Portsmouth for under $900. The cheapest flight booked recently is on Delta for just $819, but on average you can expect to pay $1,231.

  • Are there last-minute flights available from Key Largo to Portsmouth for under $2,200?

    There are currently 2+ open flights from Key Largo to Portsmouth within the next 7 days for less than $2,200.

  • 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 Air France (91%), Delta (90%) or Aeromexico (90%) 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 $3,257, our data shows the cheapest flight currently is $444. When looking at the most popular route, (Miami - Southampton Eastleigh), you can expect to pay $819 for that flight.

  • What does MIA to LHR mean?

    Great question - MIA to LHR just means Miami Airport to London Heathrow Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), Southampton Eastleigh Airport (SOU).

  • Can I find deals for flights from Key Largo to Portsmouth that include extra baggage allowance?

    The amount of baggage you can bring on your Key Largo to Portsmouth flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Key Largo to Portsmouth with specific airlines?

    Yes, Cheapflights allows you to browse and filter Key Largo to Portsmouth flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Key Largo to Portsmouth that allow pets onboard?

    Many airlines flying from Key Largo to Portsmouth offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Key Largo to Portsmouth?

    Yes, you can often find last-minute deals on Key Largo to Portsmouth flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Key Largo to Portsmouth flight deals updated?

    The Key Largo to Portsmouth flight deals you see on this page were last updated on 5/22.

  • What are the most popular airlines that fly from Key Largo to Portsmouth?

    Before booking your flight from Key Largo to Portsmouth check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

  • When is the best time 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 $652). Flying from Key Largo to Portsmouth in June is currently the most expensive (average of $1,138). 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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Alternative routes for Key Largo to Portsmouth
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,730,072 searches. Data last updated May 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$294Average$631FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air CanadaCheapest$397Average$666FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$418Average$699FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest$423Average$548FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest$431Average$802FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
DeltaCheapest$440Average$770FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
KLMCheapest$451Average$827FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest$456Average$713FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest$463Average$683FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest$500Average$832FlexibilityNo cancel feeOn-time79%
Search SWISS flights
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Key Largo to Portimão flights

Search flights from Key Largo to Portsmouth by cabin class

Find flights from Key Largo to Portsmouth, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Key Largo to Portsmouth

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 May 22, 2024.
1%of flight departuresEarly morningMidnight to 6 am
0%of flight departuresMorning6 am to noon
43%of flight departuresAfternoonNoon to 6 pm
56%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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Fly with Cheapflights

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

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

Deals for Key Largo to Portsmouth 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 Key Largo to Portsmouth?

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

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

Yes! Cheapflights helps users easily find flights from Key Largo to Portsmouth with no change fees.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Portsmouth from Key Largo today and book when prices fit your budget.

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