HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Atlanta

$361+ Cheap flights from Porto (OPO) to Atlanta (ATL)

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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — ATL
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Porto to Atlanta 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 Porto to Atlanta

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Atlanta (ATL). 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 April 25, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$659
(Booking.com)

One-way from

$361
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$809
Provider with most accurate pricing for Porto-Atlanta Hartsfield-Jackson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Porto-Atlanta Hartsfield-Jackson flights.
Search Deals
From Porto to Atlanta Hartsfield-Jackson
Search Deals
One-way flight from Porto to Atlanta Hartsfield-Jackson
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Porto to Atlanta

Cheapest flights from Porto to Atlanta
Explore the most affordable flight options available from Porto to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Booking.com deal was found by Cheapflights users on 4/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/165:55 pmOPO - ATL
1 stop28h 25mScandinavian Airlines
Thu 5/297:55 pmATL - OPO
1 stop16h 10mScandinavian Airlines
Deal found 4/25$659
This Delta deal was found by Cheapflights users on 4/25. 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.
Fri 5/1611:25 amOPO - ATL
1 stop14h 00mDelta
Thu 5/2910:05 amATL - OPO
2 stops17h 20mDelta
Deal found 4/25$691
This Expedia deal was found by Cheapflights users on 4/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/98:35 pmOPO - ATL
2 stops29h 55mIberia
Mon 6/1610:20 pmATL - OPO
2 stops28h 15mIberia
Deal found 4/25$699
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/912:10 pmOPO - ATL
2 stops32h 10mUnited Airlines
Mon 6/168:55 amATL - OPO
1 stop19h 40mUnited Airlines
Deal found 4/25$757
This KLM deal was found by Cheapflights users on 4/25. 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.
Mon 6/96:30 amOPO - ATL
1 stop15h 30mKLM
Mon 6/168:05 pmATL - OPO
1 stop14h 25mKLM
Deal found 4/25$766
This British Airways deal was found by Cheapflights users on 4/25. 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.
Fri 5/168:15 amOPO - ATL
2 stops18h 39mBritish Airways
Thu 5/298:13 pmATL - OPO
2 stops19h 07mBritish Airways
Deal found 4/25$770
This Mytrip deal was found by Cheapflights users on 4/25. 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.
Mon 6/96:45 amOPO - ATL
3 stops40h 26mMultiple Airlines
Mon 6/1610:41 amATL - OPO
2 stops30h 04mMultiple Airlines
Deal found 4/25$837
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/278:15 amOPO - ATL
2 stops16h 23mAmerican Airlines
Tue 5/2710:15 pmATL - OPO
2 stops16h 40mAmerican Airlines
Deal found 4/25$4,013

Cheapflights Fare Finder

Customize your flight search to find flights from Porto 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 2,558,603 searches. Data last updated April 25, 2025.
Use the filters below to find and compare flights from Porto to Atlanta that are best for you.

Fly from

Porto

Fly to

Atlanta

Route

Depart

Return

Price

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 5/16

5:55 pm-5:20 pm

1 stop28h 25m

Atlanta Hartsfield-Jackson

Thu 5/29

7:55 pm-5:05 pm

1 stop16h 10m

$659

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 5/16

11:25 am-8:25 pm

1 stop14h 00m

Atlanta Hartsfield-Jackson

Thu 5/29

10:05 am-8:25 am

2 stops17h 20m

$691

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/9

8:35 pm-9:30 pm

2 stops29h 55m

Atlanta Hartsfield-Jackson

Mon 6/16

10:20 pm-7:35 am

2 stops28h 15m

$699

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/9

12:10 pm-3:20 pm

2 stops32h 10m

Atlanta Hartsfield-Jackson

Mon 6/16

8:55 am-9:35 am

1 stop19h 40m

$757

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/9

6:30 am-5:00 pm

1 stop15h 30m

Atlanta Hartsfield-Jackson

Mon 6/16

8:05 pm-3:30 pm

1 stop14h 25m

$766

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 5/16

8:15 am-9:54 pm

2 stops18h 39m

Atlanta Hartsfield-Jackson

Thu 5/29

8:13 pm-8:20 pm

2 stops19h 07m

$770

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/9

6:45 am-6:11 pm

3 stops40h 26m

Atlanta Hartsfield-Jackson

Mon 6/16

10:41 am-9:45 pm

2 stops30h 04m

$837

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/27

8:15 am-7:38 pm

2 stops16h 23m

Atlanta Hartsfield-Jackson

Tue 5/27

10:15 pm-7:55 pm

2 stops16h 40m

$4,013

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/27

5:10 pm-8:34 am

3 stops44h 24m

$361

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 10/14

11:00 am-12:15 pm

2 stops30h 15m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 12 results
1
2

Compare providers for flights from Porto to Atlanta

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Porto to Atlanta in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Porto-Atlanta flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Porto-Atlanta flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Porto-Atlanta flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Porto-Atlanta flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Porto-Atlanta flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Porto to Atlanta

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

Cheapflights Insights

Everything you need to know about your flight from Porto to Atlanta

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

Currently, August is the cheapest month in which you can book a flight from Porto to Atlanta (average of $190). Flying from Porto to Atlanta in June is currently the most expensive (average of $247). 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 OPO to ATL?

Find hourly flight availability from Porto 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 April 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Porto to Atlanta as you normally would.

Rainfall in Atlanta by month

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

In terms of precipitation, rainfall in Atlanta ranges from 3.4 - 5.3 inches per month. July is typically the wettest month, when rainfall can reach 5.3 in. April is typically the driest time to visit Atlanta when rainfall is around 3.4 in.

Temperature in Atlanta by month

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

If weather is an important factor for your trip to Atlanta, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Atlanta

Get insights into the airlines that provide service to Atlanta. 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 Atlanta. Reviews last updated April 25, 2025.
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,685 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Turkish Airlines
7.3
Good
3,776 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Scandinavian Airlines
7.3
Good
1,345 reviews
Delta
8.0
Very good
7,920 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Porto to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Porto to Atlanta round-trip?

    According to our current data, Scandinavian Airlines ($659), Delta ($691), and Iberia ($699) offers the cheapest pricing from Porto to Atlanta. You may be able to fly from Porto to Atlanta for 24% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Porto to Atlanta one-way?

    $588 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Turkish Airlines and United Airlines, with prices starting from $737 and $931, respectively.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Porto to Atlanta (average of $190). Flying from Porto to Atlanta in June is currently the most expensive (average of $247). 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

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Norcross
Duluth
College Park
Opelika
Marietta
Auburn
McDonough
Stone Mountain
Sandy Springs
Conyers
Morrow
Lithonia
Buford
Acworth
Athens
Smyrna
Stockbridge
Lawrenceville
Douglasville
Suwanee

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 Porto to Atlanta

See prices for flight routes from nearby airports that may be better suited for you.
Lisbon to Atlanta flights
Faro to Atlanta flights

Top airline flying from Porto to Atlanta

Discover the top airline that operate flights from Porto 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 2,558,603 searches. Data last updated April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$702Average$1,073FlexibilityNo cancel feeOn-time69%

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.