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Cheap flights from Porto to Atlanta from $417

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 5/26. 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
5:55 pm - 1:08 am
OPO
-
ATL
12h 13m
1 stop
Multiple Airlines Logo
3:30 pm - 10:55 am
ATL
-
OPO
14h 25m
1 stop
$830Multiple Airlines
Tue, May 26 - Tue, Jun 2
United Airlines Logo
6:00 am - 12:30 am
OPO
-
ATL
23h 30m
2 stops
United Airlines Logo
4:31 pm - 9:45 am
ATL
-
OPO
12h 14m
1 stop
$899United Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
6:00 am - 7:16 pm
OPO
-
ATL
18h 16m
2 stops
United Airlines Logo
9:29 am - 6:55 am
ATL
-
OPO
16h 26m
1 stop
$900United Airlines
Thu, May 28 - Mon, Jun 1
United Airlines Logo
6:00 am - 7:16 pm
OPO
-
ATL
18h 16m
2 stops
United Airlines Logo
6:07 am - 6:55 am
ATL
-
OPO
19h 48m
1 stop
$901United Airlines
Mon, May 25 - Mon, Jun 8
United Airlines Logo
6:00 am - 6:37 pm
OPO
-
ATL
17h 37m
2 stops
United Airlines Logo
8:12 pm - 6:55 am
ATL
-
OPO
29h 43m
2 stops
$902United Airlines
Tue, May 26 - Tue, Jun 2
Lufthansa Logo
4:35 pm - 1:45 pm
OPO
-
ATL
26h 10m
1 stop
Lufthansa Logo
5:55 pm - 11:40 am
ATL
-
OPO
13h 45m
1 stop
$903Lufthansa
Fri, Oct 23 - Sun, Oct 25
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
$905Air Canada
Fri, Sep 25 - Tue, Oct 6
Delta Logo
5:00 am - 8:15 pm
OPO
-
ATL
20h 15m
2 stops
Delta Logo
8:05 pm - 3:25 pm
ATL
-
OPO
14h 20m
1 stop
$907Delta
Mon, May 18 - Mon, Jun 1
United Airlines Logo
6:00 am - 7:12 pm
OPO
-
ATL
18h 12m
2 stops
United Airlines Logo
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$908United Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 12:09 am
OPO
-
ATL
23h 09m
2 stops
United Airlines Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$909United Airlines
Fri, Sep 25 - Tue, Oct 6

American Airlines flights from Porto to Atlanta

Our best American Airlines deals on Porto to Atlanta flight tickets
American Airlines
May 11
OPO8:20 amPorto
19h 03m
2 stops
ATL10:23 pmAtlanta Hartsfield-Jackson
May 25
ATL9:30 amAtlanta Hartsfield-Jackson
17h 10m
2 stops
OPO7:40 amPorto
$916
American Airlines
May 22
OPO8:20 amPorto
19h 00m
2 stops
ATL10:20 pmAtlanta Hartsfield-Jackson
May 26
ATL6:33 pmAtlanta Hartsfield-Jackson
16h 27m
2 stops
OPO4:00 pmPorto
$918

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Oct 23
OPO4:35 pmPorto
26h 10m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 25
ATL5:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$903
Lufthansa
Sep 25
OPO12:05 pmPorto
30h 40m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 6
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 15m
1 stop
OPO11:10 amPorto
$936
Lufthansa
Sep 25
OPO4:35 pmPorto
26h 10m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 6
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 15m
1 stop
OPO11:10 amPorto
$937

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 1, 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
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/26

5:55 pm-1:08 am

1 stop12h 13m

Atlanta Hartsfield-Jackson

Tue 6/2

3:30 pm-10:55 am

1 stop14h 25m

$830

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 5/28

6:00 am-12:30 am

2 stops23h 30m

Atlanta Hartsfield-Jackson

Mon 6/1

4:31 pm-9:45 am

1 stop12h 14m

$899

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 5/28

6:00 am-7:16 pm

2 stops18h 16m

Atlanta Hartsfield-Jackson

Mon 6/1

9:29 am-6:55 am

1 stop16h 26m

$900

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 5/25

6:00 am-7:16 pm

2 stops18h 16m

Atlanta Hartsfield-Jackson

Mon 6/8

6:07 am-6:55 am

1 stop19h 48m

$901

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/26

6:00 am-6:37 pm

2 stops17h 37m

Atlanta Hartsfield-Jackson

Tue 6/2

8:12 pm-6:55 am

2 stops29h 43m

$902

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 10/23

4:35 pm-1:45 pm

1 stop26h 10m

Atlanta Hartsfield-Jackson

Sun 10/25

5:55 pm-11:40 am

1 stop13h 45m

$903

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

$905

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 5/18

5:00 am-8:15 pm

2 stops20h 15m

Atlanta Hartsfield-Jackson

Mon 6/1

8:05 pm-3:25 pm

1 stop14h 20m

$907

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-7:12 pm

2 stops18h 12m

Atlanta Hartsfield-Jackson

Tue 10/6

2:30 pm-9:45 am

2 stops14h 15m

$908

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-12:09 am

2 stops23h 09m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$909

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 49% 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

12h 54m

Direct flights

None
The fastest flight from Porto to Atlanta takes 12h 54m
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 12h 54m.

  • 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
Newnan
La Grange
Kennesaw
College Park
Dahlonega
Gainesville
Douglasville
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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