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Cheap flights from Porto to Atlanta from $352

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 6/2. 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
11:50 am - 5:05 pm
OPO
-
ATL
34h 15m
1 stop
Scandinavian Airlines Logo
7:30 pm - 11:00 am
ATL
-
OPO
34h 30m
1 stop
$873Scandinavian Airlines
Thu, Sep 24 - Mon, Oct 5
KLM Logo
7:00 pm - 2:00 pm
OPO
-
ATL
24h 00m
1 stop
KLM Logo
10:30 pm - 3:25 pm
ATL
-
OPO
11h 55m
1 stop
$890KLM
Sun, Apr 26 - Thu, May 7
Multiple Airlines Logo
5:00 am - 2:00 pm
OPO
-
ATL
14h 00m
1 stop
Multiple Airlines Logo
3:25 pm - 8:30 am
ATL
-
OPO
12h 05m
1 stop
$898Multiple Airlines
Sun, Apr 26 - Thu, May 7
KLM Logo
5:00 am - 2:00 pm
OPO
-
ATL
14h 00m
1 stop
KLM Logo
10:30 pm - 3:25 pm
ATL
-
OPO
11h 55m
1 stop
$899KLM
Sun, Apr 26 - Thu, May 7
Delta Logo
5:00 am - 4:55 pm
OPO
-
ATL
16h 55m
1 stop
Delta Logo
1:12 pm - 8:30 am
ATL
-
OPO
14h 18m
2 stops
$901Delta
Sun, Apr 26 - Thu, May 7
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$902United Airlines
Fri, Sep 25 - Sat, Oct 10
United Airlines Logo
6:00 am - 11:59 pm
OPO
-
ATL
22h 59m
2 stops
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$903United Airlines
Wed, Apr 29 - Sun, May 3
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
5:40 am - 7:00 am
ATL
-
OPO
20h 20m
2 stops
$904United Airlines
Fri, Sep 25 - Tue, Oct 6
Delta Logo
5:00 am - 6:40 pm
OPO
-
ATL
18h 40m
2 stops
Delta Logo
9:39 am - 8:30 am
ATL
-
OPO
17h 51m
2 stops
$905Delta
Sun, Apr 26 - Thu, May 7
United Airlines Logo
12:00 pm - 11:59 pm
OPO
-
ATL
16h 59m
2 stops
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$906United Airlines
Wed, Apr 29 - Sun, May 3

Delta flights from Porto to Atlanta

Our best Delta deals on Porto to Atlanta flight tickets
Delta
Apr 17
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
May 3
ATL9:45 pmAtlanta Hartsfield-Jackson
19h 15m
1 stop
OPO10:00 pmPorto
$898
Delta
Apr 16
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
Apr 30
ATL3:35 pmAtlanta Hartsfield-Jackson
11h 55m
1 stop
OPO8:30 amPorto
$899
Delta
Apr 26
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
May 7
ATL1:12 pmAtlanta Hartsfield-Jackson
14h 18m
2 stops
OPO8:30 amPorto
$901

KLM flights from Porto to Atlanta

Our best KLM deals on Porto to Atlanta flight tickets
KLM
Apr 26
OPO7:00 pmPorto
24h 00m
1 stop
ATL2:00 pmAtlanta Hartsfield-Jackson
May 7
ATL10:30 pmAtlanta Hartsfield-Jackson
11h 55m
1 stop
OPO3:25 pmPorto
$890
KLM
Apr 26
OPO5:00 amPorto
14h 00m
1 stop
ATL2:00 pmAtlanta Hartsfield-Jackson
May 7
ATL10:30 pmAtlanta Hartsfield-Jackson
11h 55m
1 stop
OPO3:25 pmPorto
$899
KLM
Apr 14
OPO4:20 pmPorto
25h 24m
1 stop
ATL12:44 pmAtlanta Hartsfield-Jackson
Apr 18
ATL7:45 pmAtlanta Hartsfield-Jackson
17h 25m
1 stop
OPO6:10 pmPorto
$1,083

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 April 13, 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 9/24

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Mon 10/5

7:30 pm-11:00 am

1 stop34h 30m

$873

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

7:00 pm-2:00 pm

1 stop24h 00m

Atlanta Hartsfield-Jackson

Thu 5/7

10:30 pm-3:25 pm

1 stop11h 55m

$890

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

5:00 am-2:00 pm

1 stop14h 00m

Atlanta Hartsfield-Jackson

Thu 5/7

3:25 pm-8:30 am

1 stop12h 05m

$898
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

5:00 am-2:00 pm

1 stop14h 00m

Atlanta Hartsfield-Jackson

Thu 5/7

10:30 pm-3:25 pm

1 stop11h 55m

$899

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

5:00 am-4:55 pm

1 stop16h 55m

Atlanta Hartsfield-Jackson

Thu 5/7

1:12 pm-8:30 am

2 stops14h 18m

$901

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Sat 10/10

2:30 pm-9:45 am

2 stops14h 15m

$902

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/29

6:00 am-11:59 pm

2 stops22h 59m

Atlanta Hartsfield-Jackson

Sun 5/3

3:55 pm-11:15 am

1 stop14h 20m

$903

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

5:40 am-7:00 am

2 stops20h 20m

$904

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

5:00 am-6:40 pm

2 stops18h 40m

Atlanta Hartsfield-Jackson

Thu 5/7

9:39 am-8:30 am

2 stops17h 51m

$905

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/29

12:00 pm-11:59 pm

2 stops16h 59m

Atlanta Hartsfield-Jackson

Sun 5/3

3:55 pm-11:15 am

1 stop14h 20m

$906

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 46% 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

16h 59m

Direct flights

None
The fastest flight from Porto to Atlanta takes 16h 59m
There are no direct flights from Porto to Atlanta. There are no popular flight routes from Porto to Atlanta.
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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 16h 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 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
Warner Robins
Blue Ridge
Stone Mountain
Lawrenceville
Cartersville
Norcross
Covington
Auburn
Kennesaw
Newnan
Dahlonega
College Park
La Grange
Lithonia
Gainesville
Douglasville

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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