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Cheap flights from Portsmouth to Miami from £303

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MIA
9 Jul — 16 Jul1
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 4 July 2025.

Round-trip from

£541

One-way from

£303

Popular in

December

Cheapest in

September

Average price

£547
Delta
  • Delta
  • 5/10-8/10
  • 4 total stops
  • 61h 29m total
  • Portsmouth to Miami
Search Deals
6/12
  • 6/12
  • 2 total stops
  • 33h 40m total
  • Portsmouth to Miami
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 4 July 2025.

Sun 5/1018:25SOU - MIA
2 stops29h 14mDelta
Wed 8/1019:30MIA - SOU
2 stops32h 15mDelta
Deal found 2/7£541
Wed 13/809:20SOU - MIA
2 stops17h 02mKLM
Wed 20/811:40MIA - SOU
2 stops16h 05mKLM
Deal found 1/7£715
Wed 13/819:50SOU - MIA
2 stops23h 30mMultiple Airlines
Wed 20/810:55MIA - SOU
3 stops28h 40mMultiple Airlines
Deal found 2/7£726
Sat 16/817:35SOU - MIA
2 stops35h 49mVirgin Atlantic
Sat 23/819:30MIA - SOU
2 stops32h 15mVirgin Atlantic
Deal found 3/7£732

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 4 July 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

18:25-18:39

2 stops29h 14m

Miami

Wed 8/10

19:30-08:45

2 stops32h 15m

£541

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 13/8

09:20-21:22

2 stops17h 02m

Miami

Wed 20/8

11:40-08:45

2 stops16h 05m

£715

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 13/8

19:50-14:20

2 stops23h 30m

Miami

Wed 20/8

10:55-20:35

3 stops28h 40m

£726

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 16/8

17:35-00:24

2 stops35h 49m

Miami

Sat 23/8

19:30-08:45

2 stops32h 15m

£732

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 6/12

15:20-20:00

2 stops33h 40m

£303

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 6/12

09:30-19:33

2 stops39h 03m

£726

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 6/12

09:30-14:50

1 stop34h 20m

£1,177

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 21/8

09:20-21:22

2 stops17h 02m

£1,181

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 4 July 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 4 July 2025.

The most flights from P0R to MIA are scheduled on a Wednesday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 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 4 July 2025.
See what other customers who have flown with Delta, KLM, andVirgin Atlantic 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.
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very Good
7,982 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
KLM
7.8
Good
1,367 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Aer Lingus
7.1
Good
1,144 reviews
Delta
8.0
Very Good
7,982 reviews
Check prices

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

  • What are the cheapest airlines to fly from Portsmouth to Miami one-way?

    The cheapest airline one-way is Aer Lingus, with whom users have recently found tickets for as low as £726. However, be on the lookout for offers from KLM and Delta, as they are both options that can get you from Portsmouth to Miami for a low price.

  • 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: Gulf Air (88%), Finnair (87%), KLM( 87%).

  • What are the cheapest flights from Portsmouth to Miami?

    Looking for the cheapest flight from Portsmouth to Miami? While on average our users pay £2,701, our data indicates the cheapest price to be £346. The most popular route (Southampton Eastleigh - Miami), is priced around £601.

  • 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 Portsmouth?

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

Browse thousands of different options on Cheapflights for your next trip

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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£269Average£411FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£277Average£557FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£316Average£430FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£321Average£450FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Virgin AtlanticCheapest£338Average£482FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£339Average£446FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£339Average£451FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£340Average£470FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£350Average£598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£351Average£482FlexibilityNo cancel feeOn-time70%
Search British Airways 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?

Cheapflights helps you search for flights from Portsmouth to Miami via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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