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Cheap flights from Portsmouth to Atlanta from £821

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 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATL
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Portsmouth to Atlanta

Keep the following information in mind while searching for Portsmouth to Atlanta flight deals. Data was last updated 21 October 2025.

Round-trip from

£1,168

One-way from

£821

Popular in

December

Cheapest in

February

Average price

£682
Virgin Atlantic
  • Virgin Atlantic
  • 26/3-30/3
  • 2 total stops
  • 48h 10m total
  • Portsmouth to Atlanta
Search Deals
British Airways
  • British Airways
  • 23/11
  • 2 total stops
  • 29h 10m total
  • Portsmouth to Atlanta
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. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Find flight deals from Portsmouth to Atlanta

Enter your travel dates to find the best prices.

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

Wed 29/1008:40SOU - ATL
1 stop17h 05mKLM
Mon 3/1115:50ATL - SOU
1 stop11h 20mKLM
Deal found 18/10£1,670
Wed 29/1019:55SOU - ATL
2 stops29h 15mBritish Airways
Mon 3/1122:10ATL - SOU
2 stops17h 10mBritish Airways
Deal found 19/10£1,674

Cheapflights Fare Finder

 
Customise your flight search to find flights from Portsmouth to Atlanta 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 21 October 2025.
Use the filters below to find and compare flights from Portsmouth to Atlanta that are best for you.

Fly from

Portsmouth

Fly to

Atlanta

Route

Depart

Return

Price

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Thu 26/3

18:05-15:40

1 stop25h 35m

Atlanta Hartsfield-Jackson

Mon 30/3

15:30-08:50

1 stop12h 20m

£1,168

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Thu 26/3

18:05-18:09

2 stops28h 04m

Atlanta Hartsfield-Jackson

Mon 30/3

10:12-08:50

2 stops17h 38m

£1,327

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Mon 24/11

20:50-20:10

2 stops28h 20m

£821

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Sun 23/11

18:25-20:10

3 stops30h 45m

£2,897

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Fri 21/11

20:00-20:10

2 stops29h 10m

£2,899

Flights are sorted by cheapest return flights first.

Deals found on 19/10

Best time to book a flight from Portsmouth to Atlanta

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

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

Currently, October is the cheapest month in which you can book a flight from Portsmouth to Atlanta (average of £90). Flying from Portsmouth to Atlanta in August is currently the most expensive (average of £486). 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 ATL?

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

Unlike at midday, when flights are generally more expensive, you can save up to 27% on flights from Portsmouth to Atlanta by exploring options for tickets in the evening.

What is the cheapest day to fly from Portsmouth to Atlanta?

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

Travellers seeking maximum savings on their Portsmouth to Atlanta flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Portsmouth to Atlanta

Explore weekly flight availability from Portsmouth to Atlanta. 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 21 October 2025.

The most flights from P0R to ATL are scheduled on a Saturday (28 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (23 on average).

Related info for your journey

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

    If you book a flight to Atlanta from Portsmouth, you will be flying to Hartsfield-Jackson, which is the city’s only airport. Atlanta Hartsfield-Jackson (ATL) is located 8.2 mi from the center of Atlanta. There are 0 flights from Portsmouth to Hartsfield-Jackson per day from 16 different airlines.

  • How long is the flight from Portsmouth to Atlanta?

    A quick flight from Portsmouth to Atlanta can take about 25h 35m. Virgin Atlantic provides one of the quickest options available for as low as £1,168. Airlines will cover a distance of 4172 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Portsmouth to Atlanta on time: Scandinavian Airlines (90%), KLM (86%), Air France (86%).

  • What are the cheapest flights from Portsmouth to Atlanta?

    The cheapest flight price from Portsmouth to Atlanta is £438. On average you can expect to pay £1,002. The most popular route, (Southampton Eastleigh - Atlanta Hartsfield-Jackson), can usually be booked for £1,032.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Portsmouth to Atlanta (average of £90). Flying from Portsmouth to Atlanta in August is currently the most expensive (average of £486). 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 Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Conyers
Peachtree City
Dunwoody
Covington
Perry
Stone Mountain
Marietta
Sandy Springs

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Alternative routes for Portsmouth to Atlanta

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Top 10 airlines flying from Portsmouth to Atlanta

Discover the top 10 airlines that operate flights from Portsmouth to Atlanta. 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£90Average£593FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£298Average£687FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£324Average£913FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£356Average£754FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air CanadaCheapest£362Average£637FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapest£386Average£883FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£428Average£646FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£435Average£659FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£465Average£617FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£495Average£621FlexibilityNo 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 Atlanta?

Cheapflights helps you search for flights from Portsmouth to Atlanta 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 Atlanta?

Cheapflights simply makes it quick and affordable to book flights from Portsmouth to Atlanta by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Yes! Start tracking prices for Portsmouth to Atlanta 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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