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Cheap flights from Porto to Atlanta from $387

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.
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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.
United Airlines Logo
12:35 pm - 8:31 pm
OPO
-
ATL
12h 56m
1 stop
United Airlines Logo
2:35 pm - 9:45 am
ATL
-
OPO
14h 10m
1 stop
$864United Airlines
Fri, Sep 25 - Tue, Oct 6
Air Canada Logo
6:00 am - 8:12 pm
OPO
-
ATL
19h 12m
2 stops
Air Canada Logo
1:20 pm - 7:00 am
ATL
-
OPO
12h 40m
1 stop
$867Air Canada
Thu, Jun 4 - Wed, Jun 17
Multiple Airlines Logo
6:00 am - 8:12 pm
OPO
-
ATL
19h 12m
2 stops
Multiple Airlines Logo
1:20 pm - 7:00 am
ATL
-
OPO
12h 40m
1 stop
$888Multiple Airlines
Thu, Jun 4 - Wed, Jun 17
United Airlines Logo
12:00 pm - 1:35 pm
OPO
-
ATL
30h 35m
2 stops
United Airlines Logo
3:30 pm - 9:30 am
ATL
-
OPO
14h 00m
2 stops
$894United Airlines
Wed, Oct 14 - Sun, Mar 14
United Airlines Logo
6:00 am - 7:16 pm
OPO
-
ATL
18h 16m
2 stops
United Airlines Logo
9:29 am - 7:00 am
ATL
-
OPO
16h 31m
2 stops
$899United Airlines
Thu, Jun 4 - Wed, Jun 17
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
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
$902United 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
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$903United 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
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$904United Airlines
Fri, Sep 25 - Tue, Oct 6
Multiple Airlines Logo
11:50 am - 8:12 pm
OPO
-
ATL
13h 22m
1 stop
Multiple Airlines Logo
1:20 pm - 7:00 am
ATL
-
OPO
12h 40m
1 stop
$905Multiple Airlines
Thu, Jun 4 - Wed, Jun 17

Delta flights from Porto to Atlanta

Our best Delta deals on Porto to Atlanta flight tickets
Delta
Sep 25
OPO5:00 amPorto
14h 05m
1 stop
ATL2:05 pmAtlanta Hartsfield-Jackson
Oct 6
ATL8:05 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO3:25 pmPorto
$916
Delta
Jun 1
OPO6:30 amPorto
18h 05m
2 stops
ATL7:35 pmAtlanta Hartsfield-Jackson
Jun 16
ATL3:30 pmAtlanta Hartsfield-Jackson
14h 00m
1 stop
OPO10:30 amPorto
$991

Air Canada flights from Porto to Atlanta

Our best Air Canada deals on Porto to Atlanta flight tickets
Air Canada
Jun 4
OPO6:00 amPorto
19h 12m
2 stops
ATL8:12 pmAtlanta Hartsfield-Jackson
Jun 17
ATL1:20 pmAtlanta Hartsfield-Jackson
12h 40m
1 stop
OPO7:00 amPorto
$867
Air Canada
Sep 25
OPO6:00 amPorto
20h 10m
2 stops
ATL9:10 pmAtlanta Hartsfield-Jackson
Oct 6
ATL12:55 pmAtlanta Hartsfield-Jackson
13h 05m
1 stop
OPO7:00 amPorto
$900
Air Canada
Jun 1
OPO6:00 amPorto
19h 12m
2 stops
ATL8:12 pmAtlanta Hartsfield-Jackson
Jun 16
ATL5:00 pmAtlanta Hartsfield-Jackson
33h 00m
2 stops
OPO7:00 amPorto
$950

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 21, 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

Fri 9/25

12:35 pm-8:31 pm

1 stop12h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

2:35 pm-9:45 am

1 stop14h 10m

$864

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 6/4

6:00 am-8:12 pm

2 stops19h 12m

Atlanta Hartsfield-Jackson

Wed 6/17

1:20 pm-7:00 am

1 stop12h 40m

$867

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 6/4

6:00 am-8:12 pm

2 stops19h 12m

Atlanta Hartsfield-Jackson

Wed 6/17

1:20 pm-7:00 am

1 stop12h 40m

$888

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 10/14

12:00 pm-1:35 pm

2 stops30h 35m

Atlanta Hartsfield-Jackson

Sun 3/14

3:30 pm-9:30 am

2 stops14h 00m

$894

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 6/4

6:00 am-7:16 pm

2 stops18h 16m

Atlanta Hartsfield-Jackson

Wed 6/17

9:29 am-7:00 am

2 stops16h 31m

$899

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

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

$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

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

$904
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 6/4

11:50 am-8:12 pm

1 stop13h 22m

Atlanta Hartsfield-Jackson

Wed 6/17

1:20 pm-7:00 am

1 stop12h 40m

$905

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

19h 12m

Direct flights

None
The fastest flight from Porto to Atlanta takes 19h 12m
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 19h 12m.

  • 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
College Park
Gainesville
Dahlonega
La Grange
Newnan
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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