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Cheap flights from Portsmouth to Miami from £300

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MIA
27 Aug — 3 Sep1
1 adult

Cheap flight deals from Portsmouth to Miami

Keep the following information in mind while searching for Portsmouth to Miami flight deals. Data was last updated 22 August 2025.

Round-trip from

£577

One-way from

£300

Popular in

December

Cheapest in

September

Average price

£566
Virgin Atlantic
  • Virgin Atlantic
  • 5/10-12/10
  • 4 total stops
  • 73h 35m total
  • Portsmouth to Miami
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20/10
  • 20/10
  • 3 total stops
  • 41h 42m total
  • Portsmouth to Miami
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Portsmouth to Miami

Cheapest flights from Portsmouth to Miami
Explore the most affordable flight options available from Portsmouth to Miami. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 August 2025.

Sun 5/1018:25SOU - MIA
2 stops29h 08mVirgin Atlantic
Sun 12/1015:33MIA - SOU
2 stops44h 27mVirgin Atlantic
Deal found 21/8£577
Sat 4/1009:20SOU - MIA
2 stops18h 50mDelta
Sat 11/1007:05MIA - SOU
2 stops20h 40mDelta
Deal found 20/8£631
Sat 4/1009:40SOU - MIA
2 stops41h 30mMultiple Airlines
Fri 10/1000:25MIA - SOU
2 stops27h 10mMultiple Airlines
Deal found 20/8£692
Sun 5/1020:00SOU - MIA
2 stops23h 50mMultiple Airlines
Sun 12/1009:49MIA - SOU
3 stops28h 41mMultiple Airlines
Deal found 21/8£697
Tue 18/1120:10SOU - MIA
1 stop26h 00mBritish Airways
Fri 28/1119:05MIA - SOU
1 stop32h 40mBritish Airways
Deal found 21/8£720
Sun 16/1109:30SOU - MIA
1 stop12h 40mBritish Airways
Fri 28/1119:05MIA - SOU
1 stop32h 40mBritish Airways
Deal found 21/8£745
Fri 21/1119:55SOU - MIA
2 stops28h 35mBritish Airways
Sun 30/1122:00MIA - SOU
2 stops16h 25mBritish Airways
Deal found 21/8£780

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Miami 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 22 August 2025.
Use the filters below to find and compare flights from Portsmouth to Miami that are best for you.

Fly from

Portsmouth

Fly to

Miami

Route

Depart

Return

Price

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 5/10

18:25-18:33

2 stops29h 08m

Miami

Sun 12/10

15:33-17:00

2 stops44h 27m

£577

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 8/1

20:10-14:40

2 stops23h 30m

Miami

Thu 22/1

17:10-15:35

2 stops17h 25m

£592

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 8/1

09:00-21:07

2 stops17h 07m

Miami

Thu 22/1

16:50-17:00

1 stop19h 10m

£601

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 4/10

09:20-23:10

2 stops18h 50m

Miami

Sat 11/10

07:05-08:45

2 stops20h 40m

£631

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 24/1

09:25-14:50

1 stop34h 25m

Miami

Sun 1/2

16:50-17:00

1 stop19h 10m

£657

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 24/1

09:25-14:50

1 stop34h 25m

Miami

Sat 31/1

18:30-17:15

2 stops17h 45m

£657

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 23/1

09:00-22:50

2 stops18h 50m

Miami

Sun 1/2

16:50-08:50

1 stop11h 00m

£661

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 4/10

09:40-22:10

2 stops41h 30m

Miami

Fri 10/10

00:25-08:35

2 stops27h 10m

£692

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 20/10

20:30-09:12

3 stops41h 42m

£300

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Tue 21/10

20:00-09:12

3 stops42h 12m

£332

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Showing 1-10 of 15 results
1
2

Best time to book a flight from Portsmouth to Miami

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

Cheapflights Insights

Everything you need to know about your flight from Portsmouth to Miami

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

Currently, January is the cheapest month in which you can book a flight from Portsmouth to Miami (average of £559). Flying from Portsmouth to Miami 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.

What is the cheapest time of day to fly from P0R to MIA?

Find hourly flight availability from Portsmouth to Miami. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 August 2025.

When flying from Portsmouth to Miami, 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 Portsmouth to Miami?

Use this chart to determine the cheapest time to fly return from Portsmouth to Miami. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Portsmouth to Miami flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Miami

Explore weekly flight availability from Portsmouth to Miami. 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 22 August 2025.

The most flights from P0R to MIA are scheduled on a Wednesday (24 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).

Reviews of airlines servicing Miami

Get insights into the airlines that provide service to Miami. 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 Miami. Reviews last updated 22 August 2025.
See what other customers who have flown with KLM from Portsmouth to Miami have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,388 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,388 reviews
KLM
7.8
Good
1,388 reviews
Check prices

Overall

7.8

Boarding

7.8

Crew

8.4

Food

7.3

Entertainment

7.1

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from Portsmouth to Miami. 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 Miami from Portsmouth?

    Located just 6.1 mi from the city center, Miami is the airport most travelers will use when flying to Miami from Portsmouth. Booking flights from Portsmouth to Miami (MIA) should be relatively easy as there are 0 daily inbound flights from Portsmouth from 20 different airlines.

  • How long is the flight from Portsmouth to Miami?

    For as low as £601, Virgin Atlantic can have you in Miami from Portsmouth in 17h 07m. The distance from Portsmouth to Miami is about 4381 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Portsmouth to Miami?

    Before booking your flight to Miami from Portsmouth, check out the most reliable airlines to get you to your destination on time: Malaysia Airlines (92%), Aeromexico (91%), Gulf Air( 91%).

  • What are the cheapest flights from Portsmouth to Miami?

    Looking for the cheapest flight from Portsmouth to Miami? While on average our users pay £1,476, our data indicates the cheapest price to be £414. The most popular route (Southampton Eastleigh - Miami), is priced around £577.

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

    Yes. In addition to deals on Portsmouth to Miami flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Portsmouth to Miami?

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

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

    Yes. Cheapflights offers flight deals from Portsmouth to Miami 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 Portsmouth to Miami?

    Currently, January is the cheapest month in which you can book a flight from Portsmouth to Miami (average of £559). Flying from Portsmouth to Miami 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

Travelling to a place near Miami?

Book flights to Miami if you plan to visit one of these locations
Hollywood
Key Biscayne
Boynton Beach
Margate
Sunrise
Marathon
Palm Beach
Florida City
Fisher Island
Sunny Isles Beach
Bay Harbor Islands

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Top 10 airlines flying from Portsmouth to Miami

Discover the top 10 airlines that operate flights from Portsmouth to Miami. 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 22 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£270Average£410FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£299Average£469FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£307Average£570FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£317Average£401FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£326Average£480FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
A.P.G.Cheapest£342Average£545FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
IcelandairCheapest£345Average£442FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£345Average£471FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air EuropaCheapest£354Average£453FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
FinnairCheapest£358Average£529FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Portsmouth to Miami?

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Why should you use Cheapflights to find cheap flight tickets from Portsmouth to Miami?

Millions of users choose and trust Cheapflights to book the best flight deals from Portsmouth to Miami for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Portsmouth to Miami, users can toggle the no change fees filter when performing a flight search.

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

Yes! Start tracking prices for Portsmouth to Miami 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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