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Cheap flights from Porto to Atlanta from $411

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 8/30. 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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Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:45 am - 8:12 pm
OPO
-
ATL
14h 27m
1 stop
Air Canada Logo
3:00 pm - 5:35 pm
ATL
-
OPO
21h 35m
2 stops
$890Air Canada
Mon, Jun 8 - Tue, Jun 23
United Airlines Logo
6:00 am - 7:16 pm
OPO
-
ATL
18h 16m
2 stops
United Airlines Logo
6:07 am - 6:15 am
ATL
-
OPO
19h 08m
1 stop
$893United Airlines
Mon, Jun 8 - Tue, Jun 23
Air Canada Logo
6:00 am - 4:19 pm
OPO
-
ATL
39h 19m
2 stops
Air Canada Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$894Air Canada
Fri, Sep 25 - Tue, Oct 6
Lufthansa Logo
6:00 am - 8:51 pm
OPO
-
ATL
19h 51m
2 stops
Lufthansa Logo
1:23 pm - 10:20 am
ATL
-
OPO
15h 57m
2 stops
$897Lufthansa
Thu, Sep 24 - Mon, Oct 5
Lufthansa Logo
6:00 am - 8:51 pm
OPO
-
ATL
19h 51m
2 stops
Lufthansa Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$898Lufthansa
Thu, Sep 24 - Mon, Oct 5
Air Canada Logo
6:00 am - 4:19 pm
OPO
-
ATL
39h 19m
2 stops
Air Canada Logo
11:15 am - 7:00 am
ATL
-
OPO
14h 45m
2 stops
$899Air Canada
Fri, Sep 25 - Tue, Oct 6
Air Canada Logo
6:00 am - 9:10 pm
OPO
-
ATL
20h 10m
2 stops
Air Canada Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$900Air Canada
Fri, Sep 25 - Tue, Oct 6
Air Canada Logo
6:00 am - 8:12 pm
OPO
-
ATL
19h 12m
2 stops
Air Canada Logo
7:00 am - 5:35 pm
ATL
-
OPO
29h 35m
2 stops
$901Air Canada
Mon, Jun 8 - Tue, Jun 23
SWISS Logo
8:40 am - 9:16 pm
OPO
-
ATL
17h 36m
2 stops
SWISS Logo
3:30 pm - 7:55 am
ATL
-
OPO
35h 25m
2 stops
$902SWISS
Tue, Sep 22 - Tue, Oct 6
United Airlines Logo
6:00 am - 12:09 am
OPO
-
ATL
23h 09m
2 stops
United Airlines Logo
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$903United Airlines
Fri, Sep 25 - Tue, Oct 6

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Sep 24
OPO6:00 amPorto
19h 51m
2 stops
ATL8:51 pmAtlanta Hartsfield-Jackson
Oct 5
ATL1:23 pmAtlanta Hartsfield-Jackson
15h 57m
2 stops
OPO10:20 amPorto
$897
Lufthansa
Sep 24
OPO6:00 amPorto
19h 51m
2 stops
ATL8:51 pmAtlanta Hartsfield-Jackson
Oct 5
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO11:15 amPorto
$898
Lufthansa
Nov 12
OPO4:10 pmPorto
27h 30m
1 stop
ATL2:40 pmAtlanta Hartsfield-Jackson
Nov 15
ATL4:30 pmAtlanta Hartsfield-Jackson
14h 15m
1 stop
OPO11:45 amPorto
$906

SWISS flights from Porto to Atlanta

Our best SWISS deals on Porto to Atlanta flight tickets
SWISS
Sep 22
OPO8:40 amPorto
17h 36m
2 stops
ATL9:16 pmAtlanta Hartsfield-Jackson
Oct 6
ATL3:30 pmAtlanta Hartsfield-Jackson
35h 25m
2 stops
OPO7:55 amPorto
$902
SWISS
Sep 28
OPO7:20 pmPorto
26h 38m
2 stops
ATL4:58 pmAtlanta Hartsfield-Jackson
Oct 7
ATL1:23 pmAtlanta Hartsfield-Jackson
24h 07m
2 stops
OPO6:30 pmPorto
$919
SWISS
Jun 8
OPO7:20 pmPorto
31h 20m
2 stops
ATL9:40 pmAtlanta Hartsfield-Jackson
Jun 23
ATL10:05 amAtlanta Hartsfield-Jackson
20h 20m
2 stops
OPO11:25 amPorto
$920

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 May 26, 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

Mon 6/8

10:45 am-8:12 pm

1 stop14h 27m

Atlanta Hartsfield-Jackson

Tue 6/23

3:00 pm-5:35 pm

2 stops21h 35m

$890

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/8

6:00 am-7:16 pm

2 stops18h 16m

Atlanta Hartsfield-Jackson

Tue 6/23

6:07 am-6:15 am

1 stop19h 08m

$893

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-4:19 pm

2 stops39h 19m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$894

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

6:00 am-8:51 pm

2 stops19h 51m

Atlanta Hartsfield-Jackson

Mon 10/5

1:23 pm-10:20 am

2 stops15h 57m

$897

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

6:00 am-8:51 pm

2 stops19h 51m

Atlanta Hartsfield-Jackson

Mon 10/5

3:55 pm-11:15 am

1 stop14h 20m

$898

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-4:19 pm

2 stops39h 19m

Atlanta Hartsfield-Jackson

Tue 10/6

11:15 am-7:00 am

2 stops14h 45m

$899
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-9:10 pm

2 stops20h 10m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$900

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 6/8

6:00 am-8:12 pm

2 stops19h 12m

Atlanta Hartsfield-Jackson

Tue 6/23

7:00 am-5:35 pm

2 stops29h 35m

$901

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 9/22

8:40 am-9:16 pm

2 stops17h 36m

Atlanta Hartsfield-Jackson

Tue 10/6

3:30 pm-7:55 am

2 stops35h 25m

$902

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-12:09 am

2 stops23h 09m

Atlanta Hartsfield-Jackson

Tue 10/6

2:30 pm-9:45 am

2 stops14h 15m

$903

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 34% 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 44m

Direct flights

None
The fastest flight from Porto to Atlanta takes 15h 44m
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 44m.

  • 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
Cartersville
Lawrenceville
Norcross
Covington
Auburn
Douglasville
Kennesaw
La Grange
College Park
Dahlonega
Newnan
Gainesville
Lithonia

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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