The cheapest times to fly from OPO to ATL are

  • January 8th to March 25th
  • April 30th to May 27th (except the week of May 14th)
  • September 10th to October 21st
  • November 5th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from OPO to ATL is mid to late September. Prices can be as high as $1416 for Sunday flights during early August, or as low as $578 for Wednesday flights around mid to late September.


When to Fly to Atlanta

Flying from Porto (OPO) to Atlanta, GA (ATL) will usually cost between $612 to $1347 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $593. Due to high demand the most expensive time to fly is early August, with an average price of $1363. Planning your trip to low-cost times can easily save you $770 on economy flights and even more on first-class flights. Generally, any price below $689 can be considered a good price for a round-trip OPO to ATL flight.

See below for a graph of average weekly prices for the OPO to ATL route. All prices are for round-trip tickets in USD.

OPO to ATL Flight Prices

Compared to other flights, the OPO to ATL flight is cheaper than the average and costs slightly more than the average flight leaving from Porto. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ATL, and Tuesday the cheapest day to fly back into OPO. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $110 (10%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $782. Return trip prices are from the ATL to OPO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from OPO to ATL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 17 minutes may not be realistic.


Flight Hacking OPO to ATL

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from OPO to ATL — but Champion Traveler does!

Hack #1: Miami, FL (OPO > MIA > ATL)

  • Price for both tickets: $661
  • Average savings: $28 (3.99%)

See OPO to JFK flights

Hack #2: New York, NY (OPO > JFK > ATL)

  • Price for both tickets: $662
  • Average savings: $27 (3.92%)

See OPO to MIA flights

Hack #3: New York, NY (OPO > LGA > ATL)

  • Price for both tickets: $664
  • Average savings: $25 (3.56%)

See OPO to LGA flights


Flight Questions Answered

Still have questions about flying from OPO to ATL? We’ve got answers.

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Aeromexico, Air Canada, Air Europa, Air France, Alitalia, American, British Airways, Brussels Airlines, Delta, El Al, Finnair, Iberia, JetBlue, KLM, Lufthansa, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from Hartsfield-Jackson Atlanta International Airport to Porto Airport?

The distance between the two airports is roughly 4056 miles or 6527 kilometers.

How long does it take to fly from OPO to ATL?

The real-world flight time for a nonstop OPO to ATL flight is about 8 hour 17 minutes.

How many flights go between Porto and Atlanta, GA?

It depends on the day of the week and the date, but a typical day might have around 51 available flights from OPO to ATL.


Airport Location Info


Departing Airport

Origination code OPO
Origination airport name Porto Airport
City Porto
Country Portugal
Latitude 41.2
Longitude -8.7

Return Airport

Destination code ATL
Destination airport name Hartsfield-Jackson Atlanta International Airport
City Atlanta, GA
Country the United States
Latitude 33.6
Longitude -84.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.