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Cheap flights from Portsmouth to Miami from £370

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — MIA
10 May — 17 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Portsmouth to Miami

Enter your travel dates to find the best prices.

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 10 April 2026.

Tue 21/409:05
SOU
-
MIA
2 stops19h 24m
KLM
Tue 28/411:00
MIA
-
SOU
2 stops16h 35m
KLM
Deal found 6/4£628
Mon 14/917:20
SOU
-
MIA
1 stop26h 25m
Delta
Mon 12/1011:15
MIA
-
SOU
2 stops16h 20m
Delta
Deal found 7/4£651
Sun 13/917:20
SOU
-
MIA
2 stops28h 42m
Delta
Thu 15/1017:55
MIA
-
SOU
2 stops17h 55m
Delta
Deal found 7/4£654
Fri 8/509:05
SOU
-
MIA
1 stop34h 40m
KLM
Tue 12/511:45
MIA
-
SOU
2 stops15h 50m
KLM
Deal found 9/4£659
Fri 18/917:20
SOU
-
MIA
1 stop26h 25m
Delta
Tue 13/1011:35
MIA
-
SOU
2 stops16h 00m
Delta
Deal found 7/4£681
Thu 17/909:05
SOU
-
MIA
2 stops16h 54m
Delta
Thu 15/1019:30
MIA
-
SOU
2 stops16h 20m
Delta
Deal found 7/4£684
Wed 14/1009:20
SOU
-
MIA
2 stops37h 29m
Multiple Airlines
Wed 28/1023:00
MIA
-
SOU
2 stops16h 30m
Multiple Airlines
Deal found 5/4£696
Mon 11/509:05
SOU
-
MIA
1 stop34h 40m
Delta
Tue 19/507:12
MIA
-
SOU
2 stops20h 23m
Delta
Deal found 8/4£708

Find flight deals from Portsmouth to Miami

Keep the following information in mind while searching for Portsmouth to Miami flight deals. Data was last updated 10 April 2026.

Round-trip from

£628

One-way from

£370

Popular in

December

Cheapest in

September

Average price

£520
KLM
  • KLM
  • 21/4-28/4
  • 4 total stops
  • 35h 59m total
  • Portsmouth to Miami
Search Deals
13/6
  • 13/6
  • 3 total stops
  • 59h 30m 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 (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 10 April 2026.
Use the filters below to find and compare flights from Portsmouth to Miami that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 14/9

17:20-14:45

1 stop26h 25m

Miami

Thu 15/10

14:03-16:50

2 stops21h 47m

£651

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 8/5

09:05-14:45

1 stop34h 40m

Miami

Tue 12/5

11:45-08:35

2 stops15h 50m

£659
Fastest return journey

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 17/9

09:05-20:59

2 stops16h 54m

Miami

Tue 13/10

11:35-08:35

2 stops16h 00m

£684

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Thu 17/9

09:05-20:59

2 stops16h 54m

Miami

Thu 15/10

19:30-16:50

2 stops16h 20m

£684

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Fri 18/9

17:20-18:45

2 stops30h 25m

Miami

Sun 11/10

11:35-08:35

2 stops16h 00m

£713

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sun 10/5

17:20-16:46

2 stops28h 26m

Miami

Tue 19/5

08:25-08:35

2 stops19h 10m

£721

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 5/10

19:55-14:30

2 stops23h 35m

Miami

Mon 26/10

18:10-14:45

2 stops16h 35m

£727

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Mon 11/5

06:50-20:15

2 stops18h 25m

Miami

Tue 19/5

22:40-09:45

2 stops30h 05m

£730

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Wed 20/5

09:05-23:24

2 stops19h 19m

Miami

Wed 27/5

11:45-08:35

2 stops15h 50m

£732
Cheapest one-way

SouthamptonMiami

SOU - MIA

SOUMIA

Southampton Eastleigh

Sat 13/6

20:05-10:02

2 stops42h 57m

£411

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 21 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Portsmouth to Miami (average of £223). Flying from Portsmouth to Miami in January is currently the most expensive (average of £360). 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 10 April 2026.

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.

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 10 April 2026.

The most flights from P0R to MIA are scheduled on a Tuesday (28 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (19 on average).

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 19 different airlines.

  • How long is the flight from Portsmouth to Miami?

    For as low as £651, Delta can have you in Miami from Portsmouth in 26h 25m. 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 (96%), Air France (91%), Delta( 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 £1,661, our data indicates the cheapest price to be £387. The most popular route (Southampton Eastleigh - Miami), is priced around £654.

  • 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, May is the cheapest month in which you can book a flight from Portsmouth to Miami (average of £223). Flying from Portsmouth to Miami in January is currently the most expensive (average of £360). 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
Key Biscayne
Hollywood
Margate
Boynton Beach
Sunrise
Florida City
Marathon
Palm Beach
Fisher Island
Sunny Isles Beach

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Alternative routes for Portsmouth to Miami

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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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£275Average£412FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
IcelandairCheapest£297Average£379FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
SWISSCheapest£299Average£437FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£303Average£608FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£311Average£366FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
A.P.G.Cheapest£343Average£548FlexibilityNo cancel feeOn-timeN/A
Search A.P.G. flights
Air EuropaCheapest£354Average£468FlexibilityNo cancel feeOn-time83%
Search Air Europa flights
United AirlinesCheapest£356Average£452FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£357Average£522FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£358Average£516FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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