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Cheap flights from Porto to Atlanta from $393

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 5/27. 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.
Scandinavian Airlines Logo
5:55 pm - 5:25 pm
OPO
-
ATL
28h 30m
1 stop
Scandinavian Airlines Logo
7:25 pm - 5:05 pm
ATL
-
OPO
16h 40m
1 stop
$638Scandinavian Airlines
Fri, Apr 3 - Thu, Apr 16
Scandinavian Airlines Logo
5:55 pm - 5:25 pm
OPO
-
ATL
28h 30m
1 stop
Scandinavian Airlines Logo
7:25 pm - 5:05 pm
ATL
-
OPO
16h 40m
1 stop
$672Scandinavian Airlines
Fri, Apr 3 - Thu, Apr 16
United Airlines Logo
6:00 am - 6:28 pm
OPO
-
ATL
17h 28m
2 stops
United Airlines Logo
12:40 pm - 6:55 am
ATL
-
OPO
13h 15m
1 stop
$798United Airlines
Wed, May 20 - Wed, Jun 3
Lufthansa Logo
12:05 pm - 1:45 pm
OPO
-
ATL
30h 40m
1 stop
Lufthansa Logo
3:55 pm - 3:45 pm
ATL
-
OPO
18h 50m
1 stop
$801Lufthansa
Fri, Apr 3 - Thu, Apr 16
United Airlines Logo
12:05 pm - 1:45 pm
OPO
-
ATL
30h 40m
1 stop
United Airlines Logo
3:55 pm - 3:45 pm
ATL
-
OPO
18h 50m
1 stop
$818United Airlines
Fri, Apr 3 - Thu, Apr 16
Multiple Airlines Logo
6:45 pm - 9:17 pm
OPO
-
ATL
31h 32m
2 stops
Multiple Airlines Logo
7:00 am - 7:00 am
ATL
-
OPO
19h 00m
2 stops
$821Multiple Airlines
Wed, May 20 - Wed, Jun 3
United Airlines Logo
12:05 pm - 1:45 pm
OPO
-
ATL
30h 40m
1 stop
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$822United Airlines
Fri, Apr 3 - Thu, Apr 16
Multiple Airlines Logo
4:35 pm - 1:45 pm
OPO
-
ATL
26h 10m
1 stop
Multiple Airlines Logo
2:37 pm - 4:00 pm
ATL
-
OPO
20h 23m
2 stops
$825Multiple Airlines
Fri, Apr 3 - Thu, Apr 16
United Airlines Logo
12:35 pm - 11:59 pm
OPO
-
ATL
40h 24m
2 stops
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$827United Airlines
Fri, Apr 3 - Thu, Apr 16
American Airlines Logo
8:20 am - 6:50 pm
OPO
-
ATL
15h 30m
2 stops
American Airlines Logo
3:01 pm - 7:40 am
ATL
-
OPO
35h 39m
2 stops
$840American Airlines
Wed, May 27 - Mon, Jul 6

Scandinavian Airlines flights from Porto to Atlanta

Our best Scandinavian Airlines deals on Porto to Atlanta flight tickets
Scandinavian Airlines
Apr 3
OPO5:55 pmPorto
28h 30m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
Apr 16
ATL7:25 pmAtlanta Hartsfield-Jackson
16h 40m
1 stop
OPO5:05 pmPorto
$638
Scandinavian Airlines
Apr 3
OPO5:55 pmPorto
28h 30m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
Apr 16
ATL7:25 pmAtlanta Hartsfield-Jackson
16h 40m
1 stop
OPO5:05 pmPorto
$672
Scandinavian Airlines
May 27
OPO11:50 amPorto
34h 35m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
Jul 6
ATL7:30 pmAtlanta Hartsfield-Jackson
34h 30m
1 stop
OPO11:00 amPorto
$938

United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
May 20
OPO6:00 amPorto
17h 28m
2 stops
ATL6:28 pmAtlanta Hartsfield-Jackson
Jun 3
ATL12:40 pmAtlanta Hartsfield-Jackson
13h 15m
1 stop
OPO6:55 amPorto
$798
United Airlines
Apr 3
OPO12:05 pmPorto
30h 40m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Apr 16
ATL3:55 pmAtlanta Hartsfield-Jackson
18h 50m
1 stop
OPO3:45 pmPorto
$818
United Airlines
Apr 3
OPO12:05 pmPorto
30h 40m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Apr 16
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO11:15 amPorto
$822

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 February 21, 2026.
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 4/3

5:55 pm-5:25 pm

1 stop28h 30m

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-5:05 pm

1 stop16h 40m

$638

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

5:55 pm-5:25 pm

1 stop28h 30m

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-5:05 pm

1 stop16h 40m

$672

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/20

6:00 am-6:28 pm

2 stops17h 28m

Atlanta Hartsfield-Jackson

Wed 6/3

12:40 pm-6:55 am

1 stop13h 15m

$798

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

12:05 pm-1:45 pm

1 stop30h 40m

Atlanta Hartsfield-Jackson

Thu 4/16

3:55 pm-3:45 pm

1 stop18h 50m

$801

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

12:05 pm-1:45 pm

1 stop30h 40m

Atlanta Hartsfield-Jackson

Thu 4/16

3:55 pm-3:45 pm

1 stop18h 50m

$818

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/20

6:45 pm-9:17 pm

2 stops31h 32m

Atlanta Hartsfield-Jackson

Wed 6/3

7:00 am-7:00 am

2 stops19h 00m

$821

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

12:05 pm-1:45 pm

1 stop30h 40m

Atlanta Hartsfield-Jackson

Thu 4/16

3:55 pm-11:15 am

1 stop14h 20m

$822

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

4:35 pm-1:45 pm

1 stop26h 10m

Atlanta Hartsfield-Jackson

Thu 4/16

2:37 pm-4:00 pm

2 stops20h 23m

$825

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 4/3

12:35 pm-11:59 pm

2 stops40h 24m

Atlanta Hartsfield-Jackson

Thu 4/16

3:55 pm-11:15 am

1 stop14h 20m

$827

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/27

8:20 am-6:50 pm

2 stops15h 30m

Atlanta Hartsfield-Jackson

Mon 7/6

3:01 pm-7:40 am

2 stops35h 39m

$840

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

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 25% on your flight if you consider stops on a Porto to Atlanta flight.

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 26m

Direct flights

None
The fastest flight from Porto to Atlanta takes 17h 26m
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 26m.

  • 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 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.

Traveling to a place near Atlanta?

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