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Cheap flights from Porto to Atlanta from $499

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 4/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
6:05 am - 7:19 am
OPO
-
ATL
30h 14m
2 stops
Multiple Airlines Logo
4:55 pm - 11:40 am
ATL
-
OPO
13h 45m
1 stop
$583Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Scandinavian Airlines Logo
5:35 pm - 5:25 pm
OPO
-
ATL
28h 50m
1 stop
Scandinavian Airlines Logo
9:00 pm - 4:45 pm
ATL
-
OPO
15h 45m
1 stop
$611Scandinavian Airlines
Fri, Mar 6 - Sun, Mar 22
Multiple Airlines Logo
10:15 am - 7:19 am
OPO
-
ATL
26h 04m
2 stops
Multiple Airlines Logo
5:55 pm - 11:40 am
ATL
-
OPO
13h 45m
1 stop
$625Multiple Airlines
Fri, Mar 6 - Sun, Mar 22
Multiple Airlines Logo
6:05 am - 7:42 am
OPO
-
ATL
30h 37m
3 stops
Multiple Airlines Logo
6:10 am - 1:15 pm
ATL
-
OPO
26h 05m
2 stops
$635Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
6:35 pm - 7:42 am
OPO
-
ATL
18h 07m
1 stop
Multiple Airlines Logo
8:47 am - 7:00 pm
ATL
-
OPO
29h 13m
3 stops
$650Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
6:05 am - 7:42 am
OPO
-
ATL
30h 37m
3 stops
Multiple Airlines Logo
2:00 pm - 3:25 pm
ATL
-
OPO
20h 25m
3 stops
$676Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
British Airways Logo
8:20 am - 10:01 pm
OPO
-
ATL
18h 41m
2 stops
British Airways Logo
11:10 pm - 4:40 pm
ATL
-
OPO
13h 30m
1 stop
$690British Airways
Fri, Mar 6 - Sun, Mar 22
American Airlines Logo
8:20 am - 10:01 pm
OPO
-
ATL
18h 41m
2 stops
American Airlines Logo
11:01 am - 7:40 am
ATL
-
OPO
16h 39m
2 stops
$698American Airlines
Fri, Mar 6 - Sun, Mar 22
Iberia Logo
8:20 am - 10:01 pm
OPO
-
ATL
18h 41m
2 stops
Iberia Logo
4:29 pm - 4:00 pm
ATL
-
OPO
19h 31m
2 stops
$705Iberia
Fri, Mar 6 - Sun, Mar 22
Iberia Logo
8:20 am - 10:01 pm
OPO
-
ATL
18h 41m
2 stops
Iberia Logo
4:29 pm - 4:00 pm
ATL
-
OPO
19h 31m
2 stops
$707Iberia
Fri, Mar 6 - Sun, Mar 22

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Feb 18
OPO4:15 pmPorto
27h 15m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Feb 25
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$808
Lufthansa
Mar 5
OPO12:30 pmPorto
31h 00m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Mar 12
ATL2:39 pmAtlanta Hartsfield-Jackson
17h 01m
2 stops
OPO11:40 amPorto
$825

British Airways flights from Porto to Atlanta

Our best British Airways deals on Porto to Atlanta flight tickets
British Airways
Mar 6
OPO8:20 amPorto
18h 41m
2 stops
ATL10:01 pmAtlanta Hartsfield-Jackson
Mar 22
ATL11:10 pmAtlanta Hartsfield-Jackson
13h 30m
1 stop
OPO4:40 pmPorto
$690
British Airways
Apr 29
OPO8:20 amPorto
15h 51m
2 stops
ATL7:11 pmAtlanta Hartsfield-Jackson
Apr 29
ATL10:30 pmAtlanta Hartsfield-Jackson
30h 55m
1 stop
OPO10:25 amPorto
$736
British Airways
Mar 6
OPO6:05 pmPorto
31h 05m
1 stop
ATL8:10 pmAtlanta Hartsfield-Jackson
Mar 22
ATL11:10 pmAtlanta Hartsfield-Jackson
13h 30m
1 stop
OPO4:40 pmPorto
$752

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 January 20, 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

Wed 2/18

6:05 am-7:19 am

2 stops30h 14m

Atlanta Hartsfield-Jackson

Wed 2/25

4:55 pm-11:40 am

1 stop13h 45m

$583

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

5:35 pm-5:25 pm

1 stop28h 50m

Atlanta Hartsfield-Jackson

Sun 3/22

9:00 pm-4:45 pm

1 stop15h 45m

$611

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

10:15 am-7:19 am

2 stops26h 04m

Atlanta Hartsfield-Jackson

Sun 3/22

5:55 pm-11:40 am

1 stop13h 45m

$625

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 2/18

6:05 am-7:42 am

3 stops30h 37m

Atlanta Hartsfield-Jackson

Wed 2/25

6:10 am-1:15 pm

2 stops26h 05m

$635

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 2/18

6:35 pm-7:42 am

1 stop18h 07m

Atlanta Hartsfield-Jackson

Wed 2/25

8:47 am-7:00 pm

3 stops29h 13m

$650

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 2/18

6:05 am-7:42 am

3 stops30h 37m

Atlanta Hartsfield-Jackson

Wed 2/25

2:00 pm-3:25 pm

3 stops20h 25m

$676

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

11:10 pm-4:40 pm

1 stop13h 30m

$690

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

11:01 am-7:40 am

2 stops16h 39m

$698

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

4:29 pm-4:00 pm

2 stops19h 31m

$705

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

4:29 pm-4:00 pm

2 stops19h 31m

$707

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 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 September is also cheap. Prices for this month can be found on momondo for an average of $800.

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 42% 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 51m

Direct flights

None
The fastest flight from Porto to Atlanta takes 15h 51m
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 15h 51m.

  • 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
1,442 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
Blue Ridge
Warner Robins
Stone Mountain
Lawrenceville
Cartersville
Covington
Dahlonega
Auburn
Norcross
Gadsden
Kennesaw
Conyers
Newnan
Douglasville
Lithonia
La Grange

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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