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Cheap flights from Portsmouth to Atlanta from £271

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ATL
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 27 July 2026.

Wed 9/920:00
SOU
-
ATL
2 stops32h 32m
Aer Lingus
Wed 16/911:55
ATL
-
SOU
2 stops26h 35m
Aer Lingus
Deal found 26/7£644
Mon 7/920:00
SOU
-
ATL
2 stops31h 12m
Multiple Airlines
Mon 14/906:00
ATL
-
SOU
2 stops21h 40m
Multiple Airlines
Deal found 25/7£647
Mon 7/917:20
SOU
-
ATL
1 stop28h 40m
KLM
Mon 14/915:35
ATL
-
SOU
1 stop12h 00m
KLM
Deal found 25/7£647
Tue 8/909:15
SOU
-
ATL
2 stops17h 57m
Aer Lingus
Tue 15/913:00
ATL
-
SOU
2 stops14h 05m
Aer Lingus
Deal found 26/7£650
Fri 4/909:05
SOU
-
ATL
1 stop12h 55m
KLM
Fri 11/912:20
ATL
-
SOU
2 stops15h 25m
KLM
Deal found 22/7£658
Fri 4/917:20
SOU
-
ATL
1 stop25h 40m
Virgin Atlantic
Fri 11/917:05
ATL
-
SOU
1 stop10h 40m
Virgin Atlantic
Deal found 22/7£661
Fri 4/909:05
SOU
-
ATL
2 stops15h 45m
Delta
Fri 11/909:35
ATL
-
SOU
2 stops18h 10m
Delta
Deal found 22/7£662
Wed 9/917:20
SOU
-
ATL
1 stop25h 40m
Virgin Atlantic
Wed 16/915:35
ATL
-
SOU
1 stop12h 00m
Virgin Atlantic
Deal found 26/7£680
Thu 24/1208:40
SOU
-
ATL
1 stop17h 05m
Delta
Wed 30/1213:15
ATL
-
SOU
2 stops13h 55m
Delta
Deal found 24/7£771

Find flight deals from Portsmouth to Atlanta

Keep the following information in mind while searching for Portsmouth to Atlanta flight deals. Data was last updated 27 July 2026.

Round-trip from

£644

One-way from

£271

Popular in

June

Cheapest in

February

Average price

£665
Aer Lingus
  • Aer Lingus
  • 9/9-16/9
  • 4 total stops
  • 59h 07m total
  • Portsmouth to Atlanta
Search Deals
20/9
  • 20/9
  • 3 total stops
  • 52h 02m total
  • Portsmouth to Atlanta
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£33 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 27 July 2026.
Use the filters below to find and compare flights from Portsmouth to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Wed 9/9

20:00-23:32

2 stops32h 32m

Atlanta Hartsfield-Jackson

Wed 16/9

11:55-19:30

2 stops26h 35m

£644

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Tue 8/9

17:20-12:36

1 stop24h 16m

Atlanta Hartsfield-Jackson

Tue 15/9

19:50-16:50

1 stop16h 00m

£647

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Mon 7/9

17:20-17:00

1 stop28h 40m

Atlanta Hartsfield-Jackson

Mon 14/9

15:35-08:35

1 stop12h 00m

£647

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Tue 8/9

09:15-22:12

2 stops17h 57m

Atlanta Hartsfield-Jackson

Tue 15/9

13:00-08:05

2 stops14h 05m

£650

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Wed 9/9

09:15-17:00

1 stop12h 45m

Atlanta Hartsfield-Jackson

Wed 16/9

08:05-08:35

2 stops19h 30m

£655

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Tue 8/9

09:05-20:25

1 stop16h 20m

Atlanta Hartsfield-Jackson

Tue 15/9

11:30-08:45

2 stops16h 15m

£655
Fastest return journey

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Fri 4/9

09:05-17:00

1 stop12h 55m

Atlanta Hartsfield-Jackson

Fri 11/9

12:20-08:45

2 stops15h 25m

£658

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Fri 4/9

17:20-14:00

1 stop25h 40m

Atlanta Hartsfield-Jackson

Fri 11/9

17:05-08:45

1 stop10h 40m

£661

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Fri 4/9

09:05-19:50

2 stops15h 45m

Atlanta Hartsfield-Jackson

Fri 11/9

09:35-08:45

2 stops18h 10m

£662

SouthamptonAtlanta

SOU - ATL

SOUATL

Southampton Eastleigh

Thu 24/12

08:40-20:45

1 stop17h 05m

Atlanta Hartsfield-Jackson

Thu 31/12

13:30-08:10

2 stops13h 40m

£771

Flights are sorted by cheapest return flights first.

Deals found on 26/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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 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 27 July 2026.

When flying from Portsmouth to Atlanta, 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 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 27 July 2026.

The most flights from P0R to ATL are scheduled on a Monday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 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 15 different airlines.

  • How long is the flight from Portsmouth to Atlanta?

    A quick flight from Portsmouth to Atlanta can take about 12h 45m. Aer Lingus provides one of the quickest options available for as low as £655. 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: SAUDIA (100%), Scandinavian Airlines (83%), KLM (82%).

  • What are the cheapest flights from Portsmouth to Atlanta?

    The cheapest flight price from Portsmouth to Atlanta is £257. On average you can expect to pay £1,550. The most popular route, (Southampton Eastleigh - Atlanta Hartsfield-Jackson), can usually be booked for £647.

  • 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.

See more FAQs

Travelling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Snellville
Covington
Stockbridge
Forest Park
Stone Mountain
Sandy Springs

Browse thousands of different options on Cheapflights for your next trip

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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 27 July 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£91Average£562FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£344Average£620FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£401Average£590FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£421Average£734FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£424Average£649FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£426Average£603FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£438Average£575FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Scandinavian AirlinesCheapest£440Average£559FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£450Average£586FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£456Average£723FlexibilityNo cancel feeOn-time75%
Search KLM 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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