The cheapest times to fly from ATL to OPO are

  • January 1st to April 1st
  • September 10th 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 ATL to OPO is early November. Prices can be as high as $1725 for Sunday flights during early June, or as low as $604 for Tuesday flights around early November.


When to Fly to Porto

Flying from Atlanta, GA (ATL) to Porto (OPO) will usually cost between $708 to $1578 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $708. Due to high demand the most expensive time to fly is early June, with an average price of $1576. Planning your trip to low-cost times can easily save you $868 on economy flights and even more on first-class flights. Generally, any price below $994 can be considered a good price for a round-trip ATL to OPO flight.

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

ATL to OPO Flight Prices

Compared to other flights, the ATL to OPO flight is priced close to the average and costs about as much as the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to OPO, and Wednesday the cheapest day to fly back into ATL. 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 Tuesday and returning a week later will cost an average of $989. Return trip prices are from the OPO to ATL 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 ATL to OPO 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 ATL to OPO

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 ATL to OPO — but Champion Traveler does!

Hack #1: Boston, MA (ATL > BOS > OPO)

  • Price for both tickets: $699
  • Average savings: $295 (29.68%)

See ATL to BOS flights

Hack #2: Miami, FL (ATL > MIA > OPO)

  • Price for both tickets: $729
  • Average savings: $265 (26.66%)

See ATL to MIA flights

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

  • Price for both tickets: $739
  • Average savings: $256 (25.7%)

See ATL to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 22 major airlines flying this route most often: Aeromexico, Air Canada, Air Europa, Air France, Alitalia, American, British Airways, Brussels Airlines, Delta, El Al, Emirates, Finnair, Iberia, JetBlue, KLM, Lufthansa, Royal Air Maroc, SWISS, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

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

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

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

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

How many flights go between Atlanta, GA and Porto?

It depends on the day of the week and the date, but a typical day might have around 59 available flights from ATL to OPO.


Airport Location Info


Departing Airport

Origination codeATL
Origination airport nameHartsfield-Jackson Atlanta International Airport
CityAtlanta, GA
Countrythe United States

Return Airport

Destination codeOPO
Destination airport namePorto Airport


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.