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Cheap Flights from Atlanta to Porto

Compare Atlanta to Porto flight deals

Find the cheapest month or even day of the year to fly to Porto

Book the best Porto fare with no extra fees

Flight deals from Atlanta to Porto

Looking for a cheap last-minute deal or the best return flight from Atlanta to Porto? Find the lowest prices on one-way and return tickets right here.
Porto.$914 per passenger.Departing Tue, 10 Feb, returning Tue, 17 Feb.Return flight with British Airways and Iberia.Outbound indirect flight with British Airways, departs from Atlanta Hartsfield-Jackson on Tue, 10 Feb, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Tue, 17 Feb, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $914, select.
Porto.$974 per passenger.Departing Wed, 12 Nov, returning Fri, 21 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Atlanta Hartsfield-Jackson on Wed, 12 Nov, arriving in Porto.Inbound indirect flight with Delta, departs from Porto on Fri, 21 Nov, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $974, select.
Porto.$975 per passenger.Departing Mon, 2 Mar, returning Mon, 9 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Atlanta Hartsfield-Jackson on Mon, 2 Mar, arriving in Porto.Inbound indirect flight with British Airways, departs from Porto on Mon, 9 Mar, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $975, select.
Porto.$996 per passenger.Departing Tue, 24 Feb, returning Tue, 3 Mar.Return flight with British Airways.Outbound indirect flight with British Airways, departs from Atlanta Hartsfield-Jackson on Tue, 24 Feb, arriving in Porto.Inbound indirect flight with British Airways, departs from Porto on Tue, 3 Mar, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $996, select.
Porto.$1,006 per passenger.Departing Tue, 6 Jan, returning Tue, 13 Jan.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Atlanta Hartsfield-Jackson on Tue, 6 Jan, arriving in Porto.Inbound indirect flight with KLM, departs from Porto on Tue, 13 Jan, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $1,006, select.
Porto.$1,061 per passenger.Departing Tue, 9 Dec, returning Tue, 16 Dec.Return flight with British Airways and Iberia.Outbound indirect flight with British Airways, departs from Atlanta Hartsfield-Jackson on Tue, 9 Dec, arriving in Porto.Inbound indirect flight with Iberia, departs from Porto on Tue, 16 Dec, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $1,061, select.
Porto.$1,064 per passenger.Departing Tue, 14 Oct, returning Tue, 21 Oct.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Atlanta Hartsfield-Jackson on Tue, 14 Oct, arriving in Porto.Inbound indirect flight with KLM, departs from Porto on Tue, 21 Oct, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $1,064, select.
Porto.$1,164 per passenger.Departing Tue, 30 Sep, returning Tue, 7 Oct.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Atlanta Hartsfield-Jackson on Tue, 30 Sep, arriving in Porto.Inbound indirect flight with KLM, departs from Porto on Tue, 7 Oct, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $1,164, select.

Find the cheapest month to fly from Atlanta to Porto

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Porto flights are currently cheapest in February.
Apr
from $1,180
May
from $1,164
Jun
from $1,578
Jul
from $1,392
Aug
from $1,166
Sep
from $1,165
Oct
from $1,064
Nov
from $974
Dec
from $1,061
Jan
from $1,006
Feb
from $914
Mar
from $975

Atlanta to Porto: Alternative routes

Compare routes from Atlanta to Porto below. You may find an airport to fly into that's cheaper, faster, or easier than Porto.

Atlanta to Porto: Flight information

The things to know before you go.
Cheapest flight found$914
Cheapest month to flyFebruary

Finding cheap flights from Atlanta to Porto: Frequently asked questions

The best price we found for a return flight from Atlanta to Porto is $914. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Atlanta to Porto. But we found flights with one stop from $914.
As of April 2025, there are no flights flying from Atlanta to Porto.
The cheapest month to fly from Atlanta to Porto is usually February.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Porto Airport on Tuesday, 10 February 2026.
No airlines currently offer direct flights between Atlanta and Porto Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto is British Airways .

Travelling from Atlanta to Porto Airport (OPO): what you need to know

  • Planning your holiday begins with working out where you'll fly out of in Atlanta. Hartsfield-Jackson Atlanta International Airport (ATL) is the city's main airport, so check out your options for reserving a flight from Atlanta to Porto Airport (OPO) jetting off from here.

  • Porto Airport is located in Porto. The city operates in the UTC+0 timezone and is 4 hours ahead of Atlanta.

  • Your flight from Atlanta to OPO won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • Hopping on a plane during a peak time like July? Busy periods (like summer, Thanksgiving, Christmas and spring break) can add another hour at check-in and security. Be extra safe and arrive up to four hours before international flights and two hours before domestic departures.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • Consider adding a stopover to potentially save on your flight from Atlanta to OPO. Simply uncheck 'Direct flights only' when searching for departures from Hartsfield-Jackson Atlanta International Airport (ATL). Take a break from travelling at one of these popular airports:

    • Logan International Airport (BOS)

    • Montreal-Pierre Elliott Trudeau International Airport (YUL)

    • Newark Liberty International Airport (EWR)

  • ATL is about 18 kilometres from the centre of Atlanta. To help work out how to get there, use Google Maps. This useful traveller tool will show you the fastest route and your public transport options.

  • After a leisurely start to your break? Stay near Hartsfield-Jackson Atlanta International Airport. Whether you have an early flight from Atlanta to Porto Airport or just don't want to be rushed, these hotels have you covered:

About Porto Airport (OPO)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late flight from Atlanta to Porto Airport. Check in to one of these accommodation options near OPO instead:

Getting from Porto Airport (OPO) to central Porto

  • From Porto Airport, Porto is approximately 16 kilometres away. It takes around 21 minutes to reach the centre driving.

  • Travelling on public transport typically takes 49 minutes.

How to find the cheapest flights from Atlanta to Porto Airport (OPO)

  • Pick up a one-way ticket from Atlanta to Porto Airport from $767 or travel return from just $914. Prices are accurate at the time of listing and may change based on availability when you book.

  • We suggest booking as soon as possible to get flight tickets from Atlanta to OPO. You're more likely to bag a bargain and enjoy a wider selection of flight times and dates.

  • Take advantage of the 'Whole month' search tool and compare the prices of tickets from Atlanta to Porto Airport across the month. We've highlighted the lowest fares in green, so you can easily find a flight that fits your budget.

  • Snapping up a cheap ticket from Atlanta to OPO is easy with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch when there's a better deal.

  • Personalise your trip using filters. Choose the total duration, number of stops, and departure and arrival times to find the ideal flight from Atlanta to Porto Airport. You can also sort the results to see the 'Fastest,' 'Cheapest' or 'Best' options first.

The best time to fly from Atlanta to Porto Airport (OPO)

  • It's time to pick your trip dates for your flight from Atlanta to Porto Airport. August is the busiest month to visit Porto. If you like a more relaxed atmosphere, go in February.

  • Schedule your flight from Atlanta to OPO for August if you're eager to visit the city during its warmest month. You can expect temperatures in Porto to range from 14ºC to 32ºC.

  • January has average temperatures of between 3ºC and 14ºC. Look for cheap flights from Atlanta to Porto Airport sometime around then if you like cooler conditions.

More about Porto

Complete your Porto trip with a car rental

  • We use the same magic that helped you find your cheap flight from Atlanta to Porto Airport to track down your perfect ride. Check out our car rentals in Porto and compare offers in one place. Plus we give you all the info you need to know, from the most popular car type to the best time to book.

Plan the rest of your trip from Atlanta to Porto

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.