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Cheap flights from Porto to Atlanta from $384

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 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
5:50 pm - 5:45 pm
OPO
-
ATL
28h 55m
1 stop
Scandinavian Airlines Logo
8:00 pm - 11:05 am
ATL
-
OPO
34h 05m
1 stop
$753Scandinavian Airlines
Thu, Nov 12 - Mon, Nov 16
American Airlines Logo
8:20 am - 11:57 pm
OPO
-
ATL
20h 37m
2 stops
American Airlines Logo
1:21 pm - 7:40 am
ATL
-
OPO
13h 19m
2 stops
$795American Airlines
Thu, Nov 12 - Mon, Nov 16
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
5:50 pm - 9:30 am
ATL
-
OPO
10h 40m
1 stop
$891United Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
6:05 pm - 8:44 am
OPO
-
ATL
19h 39m
1 stop
Multiple Airlines Logo
8:01 am - 11:00 pm
ATL
-
OPO
33h 59m
2 stops
$1,004Multiple Airlines
Wed, Jul 15 - Tue, Jul 28
American Airlines Logo
8:20 am - 7:04 pm
OPO
-
ATL
15h 44m
2 stops
American Airlines Logo
7:53 pm - 4:00 pm
ATL
-
OPO
15h 07m
2 stops
$1,038American Airlines
Wed, Jul 15 - Tue, Jul 28
Multiple Airlines Logo
5:50 pm - 9:06 am
OPO
-
ATL
20h 16m
1 stop
Multiple Airlines Logo
12:42 pm - 8:25 pm
ATL
-
OPO
26h 43m
2 stops
$1,047Multiple Airlines
Sun, Jun 28 - Sun, Jul 12
Iberia Logo
8:20 am - 10:05 pm
OPO
-
ATL
18h 45m
2 stops
Iberia Logo
12:13 pm - 11:45 am
ATL
-
OPO
18h 32m
2 stops
$1,050Iberia
Wed, Jul 15 - Tue, Jul 28
Delta Logo
5:00 am - 4:49 pm
OPO
-
ATL
16h 49m
1 stop
Delta Logo
9:50 pm - 3:30 pm
ATL
-
OPO
12h 40m
1 stop
$1,057Delta
Sun, Jun 28 - Sun, Jul 12
Delta Logo
5:00 am - 1:55 pm
OPO
-
ATL
13h 55m
1 stop
Delta Logo
9:50 pm - 3:25 pm
ATL
-
OPO
12h 35m
1 stop
$1,059Delta
Thu, Jul 2 - Thu, Jul 16
Multiple Airlines Logo
8:25 am - 9:54 pm
OPO
-
ATL
18h 29m
1 stop
Multiple Airlines Logo
5:01 am - 10:30 pm
ATL
-
OPO
36h 29m
2 stops
$1,060Multiple Airlines
Wed, Jul 1 - Fri, Jul 10

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American Airlines flights from Porto to Atlanta

Our best American Airlines deals on Porto to Atlanta flight tickets
American Airlines
Jun 22
OPO8:20 amPorto
18h 36m
2 stops
ATL9:56 pmAtlanta Hartsfield-Jackson
Jul 8
ATL2:15 pmAtlanta Hartsfield-Jackson
16h 30m
2 stops
OPO11:45 amPorto
$794
American Airlines
Nov 12
OPO8:20 amPorto
20h 37m
2 stops
ATL11:57 pmAtlanta Hartsfield-Jackson
Nov 16
ATL1:21 pmAtlanta Hartsfield-Jackson
13h 19m
2 stops
OPO7:40 amPorto
$795
American Airlines
Jul 15
OPO8:20 amPorto
15h 44m
2 stops
ATL7:04 pmAtlanta Hartsfield-Jackson
Jul 28
ATL7:53 pmAtlanta Hartsfield-Jackson
15h 07m
2 stops
OPO4:00 pmPorto
$1,038

United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
Nov 12
OPO6:00 amPorto
22h 56m
2 stops
ATL11:56 pmAtlanta Hartsfield-Jackson
Nov 16
ATL5:50 pmAtlanta Hartsfield-Jackson
10h 40m
1 stop
OPO9:30 amPorto
$891
United Airlines
Jun 22
OPO11:15 amPorto
33h 54m
1 stop
ATL4:09 pmAtlanta Hartsfield-Jackson
Jul 8
ATL2:31 pmAtlanta Hartsfield-Jackson
11h 24m
1 stop
OPO6:55 amPorto
$1,097
United Airlines
Jun 22
OPO9:00 amPorto
15h 16m
2 stops
ATL7:16 pmAtlanta Hartsfield-Jackson
Jul 8
ATL12:39 pmAtlanta Hartsfield-Jackson
16h 06m
1 stop
OPO9:45 amPorto
$1,099

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 June 18, 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

Cheapest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 11/12

5:50 pm-5:45 pm

1 stop28h 55m

Atlanta Hartsfield-Jackson

Mon 11/16

8:00 pm-11:05 am

1 stop34h 05m

$753

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 11/12

8:20 am-11:57 pm

2 stops20h 37m

Atlanta Hartsfield-Jackson

Mon 11/16

1:21 pm-7:40 am

2 stops13h 19m

$795

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 11/12

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Mon 11/16

5:50 pm-9:30 am

1 stop10h 40m

$891

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 7/15

6:05 pm-8:44 am

1 stop19h 39m

Atlanta Hartsfield-Jackson

Tue 7/28

8:01 am-11:00 pm

2 stops33h 59m

$1,004

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 7/15

8:20 am-7:04 pm

2 stops15h 44m

Atlanta Hartsfield-Jackson

Tue 7/28

7:53 pm-4:00 pm

2 stops15h 07m

$1,038

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 6/28

5:50 pm-9:06 am

1 stop20h 16m

Atlanta Hartsfield-Jackson

Sun 7/12

12:42 pm-8:25 pm

2 stops26h 43m

$1,047

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 7/15

8:20 am-10:05 pm

2 stops18h 45m

Atlanta Hartsfield-Jackson

Tue 7/28

12:13 pm-11:45 am

2 stops18h 32m

$1,050

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 6/28

5:00 am-4:49 pm

1 stop16h 49m

Atlanta Hartsfield-Jackson

Sun 7/12

9:50 pm-3:30 pm

1 stop12h 40m

$1,057
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 7/2

5:00 am-1:55 pm

1 stop13h 55m

Atlanta Hartsfield-Jackson

Thu 7/16

9:50 pm-3:25 pm

1 stop12h 35m

$1,059

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 7/1

8:25 am-9:54 pm

1 stop18h 29m

Atlanta Hartsfield-Jackson

Fri 7/10

5:01 am-10:30 pm

2 stops36h 29m

$1,060

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 January is, on average, the cheapest month to fly to Atlanta from Porto, with most prices found around $0. If you aren’t able to travel to Atlanta during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $808.

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 22% 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

15h 55m

Direct flights

None
The fastest flight from Porto to Atlanta takes 15h 55m
There are no direct flights from Porto to Atlanta. There are no popular flight routes from Porto to Atlanta.
Search flight deals

Frequently asked questions about flying from Porto to Atlanta

  • 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 15h 55m.

  • 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
7.8
1,530 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
Duluth
McDonough
Warner Robins
Blue Ridge
Stone Mountain
Lawrenceville
Cartersville
Norcross
Kennesaw
Douglasville
Covington
College Park
La Grange
Newnan
Gainesville
Auburn
Lithonia
Dahlonega

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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