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Cheap flights from Porto to Atlanta from $413

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 10/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
5:50 pm - 6:45 pm
OPO
-
ATL
28h 55m
1 stop
Scandinavian Airlines Logo
8:00 pm - 11:05 am
ATL
-
OPO
34h 05m
1 stop
$751Scandinavian Airlines
Thu, Oct 29 - Mon, Nov 2
Scandinavian Airlines Logo
5:50 pm - 6:45 pm
OPO
-
ATL
28h 55m
1 stop
Scandinavian Airlines Logo
8:00 pm - 11:05 am
ATL
-
OPO
34h 05m
1 stop
$752Scandinavian Airlines
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
12:25 pm - 3:27 pm
OPO
-
ATL
31h 02m
2 stops
American Airlines Logo
6:38 pm - 4:00 pm
ATL
-
OPO
16h 22m
2 stops
$793American Airlines
Thu, Oct 29 - Mon, Nov 2
Iberia Logo
12:25 pm - 11:57 pm
OPO
-
ATL
16h 32m
2 stops
Iberia Logo
5:08 pm - 4:00 pm
ATL
-
OPO
17h 52m
2 stops
$809Iberia
Fri, Sep 25 - Tue, Oct 6
American Airlines Logo
8:20 am - 11:29 am
OPO
-
ATL
31h 09m
2 stops
American Airlines Logo
1:20 pm - 11:45 am
ATL
-
OPO
17h 25m
2 stops
$810American Airlines
Thu, Oct 29 - Mon, Nov 2
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
$888Air Canada
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
21h 56m
2 stops
United Airlines Logo
5:50 pm - 9:30 am
ATL
-
OPO
10h 40m
1 stop
$889United Airlines
Thu, Oct 29 - Mon, Nov 2
KLM Logo
11:25 am - 8:25 pm
OPO
-
ATL
14h 00m
1 stop
KLM Logo
8:05 pm - 3:25 pm
ATL
-
OPO
14h 20m
1 stop
$910KLM
Fri, Sep 25 - Tue, Oct 6
Multiple Airlines Logo
1:30 pm - 9:05 pm
OPO
-
ATL
12h 35m
1 stop
Multiple Airlines Logo
8:30 pm - 8:25 pm
ATL
-
OPO
42h 55m
2 stops
$971Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Multiple Airlines Logo
1:30 pm - 8:17 am
OPO
-
ATL
23h 47m
1 stop
Multiple Airlines Logo
8:30 pm - 9:25 pm
ATL
-
OPO
43h 55m
2 stops
$1,006Multiple Airlines
Thu, Jul 23 - Thu, Aug 6

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United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
Oct 29
OPO6:00 amPorto
21h 56m
2 stops
ATL11:56 pmAtlanta Hartsfield-Jackson
Nov 2
ATL5:50 pmAtlanta Hartsfield-Jackson
10h 40m
1 stop
OPO9:30 amPorto
$889
United Airlines
Jul 27
OPO6:00 amPorto
18h 46m
2 stops
ATL7:46 pmAtlanta Hartsfield-Jackson
Aug 3
ATL10:05 amAtlanta Hartsfield-Jackson
15h 50m
2 stops
OPO6:55 amPorto
$1,258
United Airlines
Jul 25
OPO6:00 amPorto
22h 02m
2 stops
ATL11:02 pmAtlanta Hartsfield-Jackson
Aug 1
ATL6:07 amAtlanta Hartsfield-Jackson
22h 38m
1 stop
OPO9:45 amPorto
$1,259

TAP AIR PORTUGAL flights from Porto to Atlanta

Our best TAP AIR PORTUGAL deals on Porto to Atlanta flight tickets
TAP AIR PORTUGAL
Jun 25
OPO7:00 amPorto
21h 14m
2 stops
ATL11:14 pmAtlanta Hartsfield-Jackson
Jul 11
ATL2:24 pmAtlanta Hartsfield-Jackson
21h 36m
2 stops
OPO5:00 pmPorto
$1,016
TAP AIR PORTUGAL
Jul 19
OPO10:00 amPorto
28h 25m
2 stops
ATL9:25 amAtlanta Hartsfield-Jackson
Jul 26
ATL10:10 amAtlanta Hartsfield-Jackson
27h 50m
2 stops
OPO7:00 pmPorto
$1,062

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 June 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 10/29

5:50 pm-6:45 pm

1 stop28h 55m

Atlanta Hartsfield-Jackson

Mon 11/2

8:00 pm-11:05 am

1 stop34h 05m

$751

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 10/29

5:50 pm-6:45 pm

1 stop28h 55m

Atlanta Hartsfield-Jackson

Mon 11/2

8:00 pm-11:05 am

1 stop34h 05m

$752

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 10/29

12:25 pm-3:27 pm

2 stops31h 02m

Atlanta Hartsfield-Jackson

Mon 11/2

6:38 pm-4:00 pm

2 stops16h 22m

$793

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

12:25 pm-11:57 pm

2 stops16h 32m

Atlanta Hartsfield-Jackson

Tue 10/6

5:08 pm-4:00 pm

2 stops17h 52m

$809

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 10/29

8:20 am-11:29 am

2 stops31h 09m

Atlanta Hartsfield-Jackson

Mon 11/2

1:20 pm-11:45 am

2 stops17h 25m

$810

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

$888

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 10/29

6:00 am-11:56 pm

2 stops21h 56m

Atlanta Hartsfield-Jackson

Mon 11/2

5:50 pm-9:30 am

1 stop10h 40m

$889
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

11:25 am-8:25 pm

1 stop14h 00m

Atlanta Hartsfield-Jackson

Tue 10/6

8:05 pm-3:25 pm

1 stop14h 20m

$910

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 6/25

1:30 pm-9:05 pm

1 stop12h 35m

Atlanta Hartsfield-Jackson

Sat 7/11

8:30 pm-8:25 pm

2 stops42h 55m

$971

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 7/23

1:30 pm-8:17 am

1 stop23h 47m

Atlanta Hartsfield-Jackson

Thu 8/6

8:30 pm-9:25 pm

2 stops43h 55m

$1,006

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 22% 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

28h 55m

Direct flights

None
The fastest flight from Porto to Atlanta takes 28h 55m
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 28h 55m.

  • 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.

  • 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
7.8
1,527 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
Warner Robins
Blue Ridge
Stone Mountain
Lawrenceville
Cartersville
Norcross
Kennesaw
Douglasville
Covington
College Park
La Grange
Newnan
Gainesville
Auburn
Lithonia
Dahlonega

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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