HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portsmouth

$1,001+ Cheap flights from Atlanta (ATL) to Portsmouth, England

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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LHR
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Portsmouth with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Atlanta to Portsmouth

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Portsmouth (P0R). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,094
(Delta)

One-way from

$1,001
(Delta)

Popular in

December

Cheapest in

April

Average price

$1,260
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-London (LON) flights.
Search Deals
From Atlanta Hartsfield-Jackson to Portsmouth
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Portsmouth
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($247 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($113 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Atlanta to Portsmouth

Cheapest flights from Atlanta to Portsmouth
Explore the most affordable flight options available from Atlanta to Portsmouth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 30, 2025.

This KLM deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:15 pmATL - SOU
1 stop18h 45mKLM
Fri 10/319:00 amSOU - ATL
1 stop16h 30mKLM
Deal found 1/30$1,077
This Delta deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:25 amATL - SOU
2 stops20h 20mDelta
Fri 10/319:00 amSOU - ATL
1 stop16h 30mDelta
Deal found 1/30$1,084
This Virgin Atlantic deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:55 pmATL - SOU
2 stops13h 55mVirgin Atlantic
Sun 9/285:35 pmSOU - ATL
1 stop24h 20mVirgin Atlantic
Deal found 1/29$1,235
This Mytrip deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/213:02 pmATL - SOU
3 stops20h 33mMultiple Airlines
Wed 5/288:40 amSOU - ATL
3 stops27h 15mMultiple Airlines
Deal found 1/29$1,334
This British Airways deal was found by Cheapflights users on 1/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2210:25 pmATL - SOU
2 stops16h 00mBritish Airways
Wed 5/284:45 pmSOU - ATL
2 stops32h 45mBritish Airways
Deal found 1/30$4,288

Find flights from Atlanta to Portsmouth within your budget

Customize your flight search to find flights from Atlanta to Portsmouth 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 2,558,603 searches. Data last updated January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Sun 5/4

11:00 am-8:45 am

2 stops16h 45m

Southampton Eastleigh

Sat 5/17

9:20 am-9:41 pm

2 stops17h 21m

$1,094

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Sun 5/4

7:30 am-4:45 pm

2 stops28h 15m

Southampton Eastleigh

Sat 5/17

9:40 am-7:13 pm

2 stops14h 33m

$1,114

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Sun 5/4

3:15 pm-8:45 am

1 stop12h 30m

Southampton Eastleigh

Sat 5/17

5:35 pm-1:30 pm

1 stop24h 55m

$1,202

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Sun 5/4

3:46 pm-4:00 pm

3 stops19h 14m

Southampton Eastleigh

Sat 5/17

4:25 pm-8:30 pm

2 stops33h 05m

$2,550

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Thu 5/22

10:25 pm-7:25 pm

2 stops16h 00m

Southampton Eastleigh

Wed 5/28

4:45 pm-8:30 pm

2 stops32h 45m

$4,288

AtlantaSouthampton

ATL - SOU

ATLSOU

Atlanta Hartsfield-Jackson

Thu 2/20

3:50 pm-8:25 am

1 stop11h 35m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Best time to book a flight from Atlanta to Portsmouth

Have a flexible travel schedule? Discover the best time to fly to Portsmouth from Atlanta with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from Atlanta to Portsmouth

Get recent, data-driven insights about flights from Atlanta to Portsmouth including ideal travel times, pricing trends, and more.

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

Currently, November is the cheapest month in which you can book a flight from Atlanta to Portsmouth (average of $661). Flying from Atlanta to Portsmouth in June is currently the most expensive (average of $1,138). 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 ATL to P0R?

Find hourly flight availability from Atlanta to Portsmouth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 30, 2025.

When flying from Atlanta to Portsmouth, 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 Atlanta to Portsmouth?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Portsmouth. Price data was last updated on October 20, 2024.

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

Weekly flight availability from Atlanta to Portsmouth

Explore weekly flight availability from Atlanta to Portsmouth. 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 January 30, 2025.

The most flights from ATL to P0R are scheduled on a Thursday (23 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portsmouth ranges from 1.0 - 3.0 inches per month. December is typically the wettest month, when rainfall can reach 3.0 in. July is typically the driest time to visit Portsmouth when rainfall is around 1.0 in.

Temperature in Portsmouth by month

Plan your trip to Portsmouth by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portsmouth, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Portsmouth

Get insights into the airlines that provide service to Portsmouth. 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 Portsmouth. Reviews last updated January 30, 2025.
Delta
8.0
Very good
8,450 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
8,450 reviews
Delta
8.0
Very good
8,450 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.8
Good
1,335 reviews
Delta
8.0
Very good
8,450 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Aer Lingus
7.1
Good
1,077 reviews
Delta
8.0
Very good
8,450 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

British Airways
6.6
Okay
6,796 reviews
Delta
8.0
Very good
8,450 reviews

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 20

2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

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

    For a flight from Atlanta to Portsmouth, you will be flying from Hartsfield-Jackson. Atlanta Hartsfield-Jackson (ATL) is just 8.2 mi from the center of the city. Hartsfield-Jackson is the only Atlanta airport and it handles 0 outbound flights to Portsmouth per day. 14 airlines have flights to Portsmouth from Atlanta Hartsfield-Jackson on a regular basis.

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

    No one likes to see their flight delayed. When booking a flight from Atlanta to Portsmouth consider choosing Singapore Airlines (80%), Aeromexico (70%) or Air France (54%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Atlanta to Portsmouth?

    Looking for the cheapest flight from Atlanta to Portsmouth? While on average our users pay $2,714, our data indicates the cheapest price to be $361. The most popular route (Atlanta Hartsfield-Jackson - Southampton Eastleigh), is priced around $1,175.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Atlanta to Portsmouth (average of $661). Flying from Atlanta to Portsmouth in June is currently the most expensive (average of $1,138). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Portsmouth

See prices for flight routes from nearby airports that may be better suited for you.
Atlanta to Heathrow flights
Atlanta to Gatwick flights
Atlanta to London City flights
Atlanta to Edinburgh flights
Atlanta to Manchester flights
Jacksonville to Heathrow flights
Atlanta to Stansted flights
Jacksonville to Gatwick flights
Jacksonville to London City flights
Atlanta to Luton flights
Asheville to Heathrow flights
Savannah to Heathrow flights
Savannah to Birmingham flights
Asheville to Edinburgh flights
Savannah to Gatwick flights
Tallahassee to Heathrow flights
Chattanooga to Heathrow flights
Savannah to London City flights
Atlanta to Birmingham flights
Jacksonville to Edinburgh flights
Tallahassee to Gatwick flights
Asheville to Gatwick flights
Savannah to Manchester flights
Tallahassee to Edinburgh flights
Augusta to Birmingham flights
Savannah to Edinburgh flights
Jacksonville to Manchester flights
Atlanta to Newcastle upon Tyne flights
Tallahassee to London City flights
Atlanta to Leeds flights
Chattanooga to Edinburgh flights
Augusta to Heathrow flights
Atlanta to Southampton flights
Jacksonville to Birmingham flights
Chattanooga to Manchester flights
Asheville to London City flights
Asheville to Birmingham flights
Atlanta to Liverpool flights
Valdosta to Heathrow flights
Brunswick to Heathrow flights
Albany to Heathrow flights
Chattanooga to Gatwick flights
Asheville to Manchester flights
Asheville to Leeds flights
Chattanooga to London City flights
Chattanooga to Bristol flights
Augusta to Manchester flights
Tallahassee to Birmingham flights
Asheville to Newcastle upon Tyne flights

Top 10 airlines flying from Atlanta to Portsmouth

Discover the top 10 airlines that operate flights from Atlanta to Portsmouth. 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 2,558,603 searches. Data last updated January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$442Average$634FlexibilityNo cancel feeOn-time77%
JetBlueCheapest$546Average$871FlexibilityNo cancel feeOn-time62%
KLMCheapest$551Average$1,054FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$576Average$1,069FlexibilityNo cancel feeOn-time72%
DeltaCheapest$577Average$1,169FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$581Average$750FlexibilityNo cancel feeOn-time77%
FinnairCheapest$587Average$783FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$604Average$926FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$609Average$868FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$622Average$860FlexibilityNo cancel feeOn-time77%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.