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Cheap flights from Porto to Atlanta from $299

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 2/28. 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
11:35 am - 9:07 am
OPO
-
ATL
26h 32m
2 stops
Multiple Airlines Logo
10:12 am - 3:15 pm
ATL
-
OPO
24h 03m
2 stops
$560Multiple Airlines
Thu, Feb 12 - Wed, Feb 18
Multiple Airlines Logo
7:35 am - 9:00 am
OPO
-
ATL
30h 25m
3 stops
Multiple Airlines Logo
10:12 am - 3:15 pm
ATL
-
OPO
24h 03m
2 stops
$626Multiple Airlines
Thu, Feb 12 - Wed, Feb 18
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
$632Scandinavian Airlines
Fri, Mar 6 - Sun, Mar 22
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
$634Scandinavian Airlines
Fri, Mar 6 - Sun, Mar 22
Multiple Airlines Logo
6:35 pm - 8:38 am
OPO
-
ATL
19h 03m
1 stop
Multiple Airlines Logo
6:00 am - 8:00 am
ATL
-
OPO
21h 00m
2 stops
$702Multiple Airlines
Thu, Feb 12 - Wed, Feb 18
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
$703British Airways
Fri, Mar 6 - Sun, Mar 22
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
$704British 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
1:28 pm - 7:40 am
ATL
-
OPO
14h 12m
2 stops
$718American 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
$719Iberia
Fri, Mar 6 - Sun, Mar 22
American Airlines Logo
8:20 am - 10:01 pm
OPO
-
ATL
18h 41m
2 stops
American Airlines Logo
1:28 pm - 7:40 am
ATL
-
OPO
14h 12m
2 stops
$725American Airlines
Fri, Mar 6 - Sun, Mar 22

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Feb 12
OPO4:15 pmPorto
27h 15m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Feb 18
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$822
Lufthansa
Jan 30
OPO12:30 pmPorto
31h 00m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Feb 13
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$1,041

Scandinavian Airlines flights from Porto to Atlanta

Our best Scandinavian Airlines deals on Porto to Atlanta flight tickets
Scandinavian Airlines
Mar 6
OPO5:35 pmPorto
28h 50m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
Mar 22
ATL9:00 pmAtlanta Hartsfield-Jackson
15h 45m
1 stop
OPO4:45 pmPorto
$632
Scandinavian Airlines
Mar 6
OPO5:35 pmPorto
28h 50m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
Mar 22
ATL9:00 pmAtlanta Hartsfield-Jackson
15h 45m
1 stop
OPO4:45 pmPorto
$634
Scandinavian Airlines
May 6
OPO11:50 amPorto
34h 35m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
May 16
ATL7:25 pmAtlanta Hartsfield-Jackson
34h 35m
1 stop
OPO11:00 amPorto
$886

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 28, 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

Thu 2/12

11:35 am-9:07 am

2 stops26h 32m

Atlanta Hartsfield-Jackson

Wed 2/18

10:12 am-3:15 pm

2 stops24h 03m

$560

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 2/12

7:35 am-9:00 am

3 stops30h 25m

Atlanta Hartsfield-Jackson

Wed 2/18

10:12 am-3:15 pm

2 stops24h 03m

$626

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

$632

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

$634

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 2/12

6:35 pm-8:38 am

1 stop19h 03m

Atlanta Hartsfield-Jackson

Wed 2/18

6:00 am-8:00 am

2 stops21h 00m

$702

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

$703

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

$704

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

1:28 pm-7:40 am

2 stops14h 12m

$718

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

$719

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/6

8:20 am-10:01 pm

2 stops18h 41m

Atlanta Hartsfield-Jackson

Sun 3/22

1:28 pm-7:40 am

2 stops14h 12m

$725

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $740. 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

26h 32m

Direct flights

None
The fastest flight from Porto to Atlanta takes 26h 32m
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 26h 32m.

  • 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
1,443 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
Auburn
Covington
Dahlonega
Norcross
Gadsden
Conyers
Kennesaw
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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