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Cheap flights from Portsmouth to Atlanta

LHR — ATL
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Portsmouth to Atlanta

Popular in

June

Cheapest in

February

Average price

£579
Highest demand for flights based on searches. 9% potential increase in price (£46 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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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?

Unlike in the evening, when flights are generally more expensive, you can save up to 17% on flights from Portsmouth to Atlanta by exploring options for tickets in the afternoon.

Related info for your journey

  • 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 14 different airlines.

  • 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 (91%), KLM (88%), SAUDIA (88%).

  • What are the cheapest flights from Portsmouth to Atlanta?

    The cheapest flight price from Portsmouth to Atlanta is £366. On average you can expect to pay £1,433. The most popular route, (Southampton Eastleigh - Atlanta Hartsfield-Jackson), can usually be booked for £597.

  • 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
Woodstock
Covington
Stockbridge
Forest Park
Stone Mountain
Sandy Springs

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Portsmouth to Atlanta

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£415Average£622FlexibilityNo cancel feeOn-time72%
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Air FranceCheapest£420Average£695FlexibilityNo cancel feeOn-time77%
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British AirwaysCheapest£429Average£597FlexibilityNo cancel feeOn-time70%
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LufthansaCheapest£432Average£578FlexibilityNo cancel feeOn-time76%
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JetBlueCheapest£442Average£567FlexibilityNo cancel feeOn-time62%
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Scandinavian AirlinesCheapest£446Average£560FlexibilityNo cancel feeOn-time77%
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KLMCheapest£454Average£695FlexibilityNo cancel feeOn-time75%
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FinnairCheapest£467Average£590FlexibilityNo cancel feeOn-time76%
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United AirlinesCheapest£478Average£674FlexibilityNo cancel feeOn-time69%
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IcelandairCheapest£478Average£535FlexibilityNo cancel feeOn-time76%
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Fly with Cheapflights

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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