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Cheap flights from Porto to Atlanta from $348

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Atlanta departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:20 am - 9:54 pm
OPO
-
ATL
18h 34m2 stops
British Airways Logo
10:10 pm - 7:15 pm
ATL
-
OPO
16h 05m1 stop
$675British Airways
Fri, Feb 13 - Sat, Feb 28
Multiple Airlines Logo
8:20 am - 9:54 pm
OPO
-
ATL
18h 34m2 stops
Multiple Airlines Logo
10:10 pm - 7:15 pm
ATL
-
OPO
16h 05m1 stop
$677Multiple Airlines
Fri, Feb 13 - Sat, Feb 28
American Airlines Logo
8:20 am - 5:54 pm
OPO
-
ATL
38h 34m2 stops
American Airlines Logo
6:49 pm - 4:00 pm
ATL
-
OPO
16h 11m2 stops
$692American Airlines
Thu, Jan 22 - Mon, Jan 26
American Airlines Logo
8:20 am - 11:58 pm
OPO
-
ATL
20h 38m2 stops
American Airlines Logo
6:00 am - 11:45 am
ATL
-
OPO
24h 45m2 stops
$694American Airlines
Thu, Jan 22 - Mon, Jan 26
British Airways Logo
6:05 pm - 8:10 pm
OPO
-
ATL
31h 05m1 stop
British Airways Logo
8:15 pm - 7:15 pm
ATL
-
OPO
18h 00m2 stops
$704British Airways
Fri, Feb 13 - Sat, Feb 28
British Airways Logo
6:05 pm - 8:10 pm
OPO
-
ATL
31h 05m1 stop
British Airways Logo
10:10 pm - 7:15 pm
ATL
-
OPO
16h 05m1 stop
$706British Airways
Fri, Feb 13 - Sat, Feb 28
American Airlines Logo
8:20 am - 5:43 pm
OPO
-
ATL
38h 23m2 stops
American Airlines Logo
6:13 pm - 11:45 am
ATL
-
OPO
36h 32m2 stops
$710American Airlines
Wed, May 6 - Sat, May 16
American Airlines Logo
8:20 am - 11:41 pm
OPO
-
ATL
20h 21m2 stops
American Airlines Logo
7:41 am - 8:00 pm
ATL
-
OPO
31h 19m2 stops
$739American Airlines
Wed, May 6 - Sat, May 16
Delta Logo
5:00 am - 1:59 pm
OPO
-
ATL
13h 59m1 stop
Delta Logo
5:00 pm - 3:30 pm
ATL
-
OPO
17h 30m2 stops
$851Delta
Wed, May 6 - Sat, May 16
Delta Logo
5:00 am - 1:59 pm
OPO
-
ATL
13h 59m1 stop
Delta Logo
5:00 pm - 3:30 pm
ATL
-
OPO
17h 30m2 stops
$852Delta
Wed, May 6 - Sat, May 16

American Airlines flights from Porto to Atlanta

Our best American Airlines deals on Porto to Atlanta flight tickets
American Airlines
Jan 22
OPO8:20 amPorto
38h 34m
2 stops
ATL5:54 pmAtlanta Hartsfield-Jackson
Jan 26
ATL11:05 amAtlanta Hartsfield-Jackson
23h 55m
2 stops
OPO4:00 pmPorto
$692
Find similar
American Airlines
Jan 22
OPO8:20 amPorto
20h 38m
2 stops
ATL11:58 pmAtlanta Hartsfield-Jackson
Jan 26
ATL6:00 amAtlanta Hartsfield-Jackson
24h 45m
2 stops
OPO11:45 amPorto
$694
Find similar
American Airlines
May 6
OPO8:20 amPorto
38h 23m
2 stops
ATL5:43 pmAtlanta Hartsfield-Jackson
May 16
ATL6:13 pmAtlanta Hartsfield-Jackson
36h 32m
2 stops
OPO11:45 amPorto
$710
Find similar

Turkish Airlines flights from Porto to Atlanta

Our best Turkish Airlines deals on Porto to Atlanta flight tickets
Turkish Airlines
Jan 22
OPO4:10 pmPorto
32h 35m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
Jan 26
ATL9:50 pmAtlanta Hartsfield-Jackson
31h 05m
1 stop
OPO9:55 amPorto
$1,093
Find similar
Turkish Airlines
Jan 22
OPO4:10 pmPorto
32h 35m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
Jan 26
ATL9:50 pmAtlanta Hartsfield-Jackson
31h 05m
1 stop
OPO9:55 amPorto
$1,096
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Porto to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 2/13

8:20 am-9:54 pm

2 stops18h 34m

Atlanta Hartsfield-Jackson

Sat 2/28

10:10 pm-7:15 pm

1 stop16h 05m

$675

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 2/13

8:20 am-9:54 pm

2 stops18h 34m

Atlanta Hartsfield-Jackson

Sat 2/28

10:10 pm-7:15 pm

1 stop16h 05m

$677

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 1/22

8:20 am-5:54 pm

2 stops38h 34m

Atlanta Hartsfield-Jackson

Mon 1/26

6:49 pm-4:00 pm

2 stops16h 11m

$692

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 1/22

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

Mon 1/26

6:00 am-11:45 am

2 stops24h 45m

$694

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 2/13

6:05 pm-8:10 pm

1 stop31h 05m

Atlanta Hartsfield-Jackson

Sat 2/28

8:15 pm-7:15 pm

2 stops18h 00m

$704

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 2/13

6:05 pm-8:10 pm

1 stop31h 05m

Atlanta Hartsfield-Jackson

Sat 2/28

10:10 pm-7:15 pm

1 stop16h 05m

$706

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/6

8:20 am-5:43 pm

2 stops38h 23m

Atlanta Hartsfield-Jackson

Sat 5/16

6:13 pm-11:45 am

2 stops36h 32m

$710

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/6

8:20 am-11:41 pm

2 stops20h 21m

Atlanta Hartsfield-Jackson

Sat 5/16

7:41 am-8:00 pm

2 stops31h 19m

$739

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/6

5:00 am-1:59 pm

1 stop13h 59m

Atlanta Hartsfield-Jackson

Sat 5/16

5:00 pm-3:30 pm

2 stops17h 30m

$851

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/6

5:00 am-1:59 pm

1 stop13h 59m

Atlanta Hartsfield-Jackson

Sat 5/16

5:00 pm-3:30 pm

2 stops17h 30m

$852

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Atlanta from

How to get the cheapest flight ticket from Porto to Atlanta

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Porto and Atlanta?

What is the cheapest month to fly to Atlanta?

The month of February is, on average, the cheapest month to fly to Atlanta from Porto, with most prices found around $714. If you aren’t able to travel to Atlanta during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $790.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Thursday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $823. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Saturday is $1,373.

When to book flights from Porto to Atlanta

Are you open to changing your travel dates? Check out the ideal times to fly from Porto to Atlanta according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Porto to Atlanta (OPO to ATL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Porto to Atlanta

Fastest flight time

17h 59m

Direct flights

None
The fastest flight from Porto to Atlanta takes 17h 59m
There are no direct flights from Porto to Atlanta. There are no popular flight routes from Porto to Atlanta.
Search flight deals

  • How far is Porto to Atlanta Hartsfield-Jackson by plane?

    The straight-line distance from Porto to Atlanta Hartsfield-Jackson is 4052.2 mi. In terms of flight time, this usually takes a little over 17h 59m.

  • When did momondo last update prices for flights from Porto Airport to Atlanta Hartsfield-Jackson Airport?

    Prices for flights from Porto Airport to Atlanta Hartsfield-Jackson Airport were last updated today.

  • How many operators does momondo search for flights from Porto Airport to Atlanta Hartsfield-Jackson Airport?

  • How old do you have to be to fly from Porto Airport to Atlanta Hartsfield-Jackson Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Porto Airport to Atlanta Hartsfield-Jackson Airport.

  • What documentation or ID do you need to fly to Atlanta Hartsfield-Jackson Airport?

    The required travel and health documents for your Atlanta Hartsfield-Jackson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Atlanta Hartsfield-Jackson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Porto to Atlanta?

Best airlines flying from Porto to Atlanta

Compare and see reviews for airlines that fly from Porto to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $871Free CancellationRating
7.7
1,434 reviews
Search KLM flights

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
McDonough
Duluth
Blue Ridge
Warner Robins
Lawrenceville
Stone Mountain
Dahlonega
Cartersville
Covington
Auburn
Norcross
Gadsden
Conyers
Kennesaw
Newnan
La Grange
Lithonia
Gainesville

Why use momondo?

Why should I use momondo to find a flight deal from Porto to Atlanta?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Porto to Atlanta. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Porto to Atlanta with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Atlanta from Porto with this policy.

How can momondo help me find flights from Porto to Atlanta?

momondo helps you find the best flight between Porto and Atlanta by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Porto to Atlanta right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Atlanta from Porto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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