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Cheap flights from Porto to Atlanta from $350

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 4/29. 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.
Multiple Airlines Logo
8:15 pm - 11:59 pm
OPO
-
ATL
32h 44m
3 stops
Multiple Airlines Logo
9:12 am - 11:40 am
ATL
-
OPO
21h 28m
3 stops
$866Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
12:05 pm - 11:57 pm
OPO
-
ATL
16h 52m
2 stops
United Airlines Logo
5:30 am - 6:55 am
ATL
-
OPO
20h 25m
2 stops
$867United Airlines
Sat, May 9 - Mon, May 25
United Airlines Logo
6:00 am - 7:21 pm
OPO
-
ATL
18h 21m
2 stops
United Airlines Logo
6:07 am - 6:15 am
ATL
-
OPO
19h 08m
1 stop
$868United Airlines
Mon, May 11 - Tue, May 26
Multiple Airlines Logo
7:20 pm - 9:28 pm
OPO
-
ATL
31h 08m
2 stops
Multiple Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$881Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
8:15 pm - 11:59 pm
OPO
-
ATL
32h 44m
3 stops
Multiple Airlines Logo
3:17 pm - 10:35 pm
ATL
-
OPO
26h 18m
2 stops
$884Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
12:35 pm - 11:44 pm
OPO
-
ATL
16h 09m
1 stop
United Airlines Logo
9:29 am - 6:15 am
ATL
-
OPO
15h 46m
1 stop
$891United Airlines
Mon, May 11 - Tue, May 26
American Airlines Logo
8:20 am - 10:23 pm
OPO
-
ATL
19h 03m
2 stops
American Airlines Logo
4:33 pm - 7:40 am
ATL
-
OPO
34h 07m
2 stops
$909American Airlines
Wed, Apr 15 - Sun, Apr 19
Scandinavian Airlines Logo
9:30 am - 5:25 pm
OPO
-
ATL
36h 55m
1 stop
Scandinavian Airlines Logo
7:25 pm - 11:00 am
ATL
-
OPO
34h 35m
1 stop
$911Scandinavian Airlines
Sat, May 9 - Mon, May 25
KLM Logo
5:00 am - 4:55 pm
OPO
-
ATL
16h 55m
1 stop
KLM Logo
8:05 pm - 3:25 pm
ATL
-
OPO
14h 20m
1 stop
$920KLM
Mon, Apr 20 - Mon, Apr 27
Delta Logo
5:00 am - 4:55 pm
OPO
-
ATL
16h 55m
1 stop
Delta Logo
11:10 am - 10:30 am
ATL
-
OPO
18h 20m
1 stop
$929Delta
Sat, May 9 - Mon, May 25

Iberia flights from Porto to Atlanta

Our best Iberia deals on Porto to Atlanta flight tickets
Iberia
Apr 14
OPO8:20 amPorto
16h 07m
2 stops
ATL7:27 pmAtlanta Hartsfield-Jackson
Apr 18
ATL10:17 amAtlanta Hartsfield-Jackson
20h 28m
2 stops
OPO11:45 amPorto
$995
Iberia
May 9
OPO8:40 pmPorto
27h 37m
2 stops
ATL7:17 pmAtlanta Hartsfield-Jackson
May 25
ATL12:02 pmAtlanta Hartsfield-Jackson
22h 58m
2 stops
OPO4:00 pmPorto
$1,385

Scandinavian Airlines flights from Porto to Atlanta

Our best Scandinavian Airlines deals on Porto to Atlanta flight tickets
Scandinavian Airlines
May 9
OPO9:30 amPorto
36h 55m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
May 25
ATL7:25 pmAtlanta Hartsfield-Jackson
34h 35m
1 stop
OPO11:00 amPorto
$911
Scandinavian Airlines
May 6
OPO11:50 amPorto
34h 35m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
May 16
ATL7:25 pmAtlanta Hartsfield-Jackson
34h 35m
1 stop
OPO11:00 amPorto
$970

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 March 25, 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 4/20

8:15 pm-11:59 pm

3 stops32h 44m

Atlanta Hartsfield-Jackson

Mon 4/27

9:12 am-11:40 am

3 stops21h 28m

$866

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 5/9

12:05 pm-11:57 pm

2 stops16h 52m

Atlanta Hartsfield-Jackson

Mon 5/25

5:30 am-6:55 am

2 stops20h 25m

$867

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 5/11

6:00 am-7:21 pm

2 stops18h 21m

Atlanta Hartsfield-Jackson

Tue 5/26

6:07 am-6:15 am

1 stop19h 08m

$868

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/20

7:20 pm-9:28 pm

2 stops31h 08m

Atlanta Hartsfield-Jackson

Mon 4/27

3:55 pm-11:15 am

1 stop14h 20m

$881

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/20

8:15 pm-11:59 pm

3 stops32h 44m

Atlanta Hartsfield-Jackson

Mon 4/27

3:17 pm-10:35 pm

2 stops26h 18m

$884

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 5/11

12:35 pm-11:44 pm

1 stop16h 09m

Atlanta Hartsfield-Jackson

Tue 5/26

9:29 am-6:15 am

1 stop15h 46m

$891

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/15

8:20 am-10:23 pm

2 stops19h 03m

Atlanta Hartsfield-Jackson

Sun 4/19

4:33 pm-7:40 am

2 stops34h 07m

$909

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 5/9

9:30 am-5:25 pm

1 stop36h 55m

Atlanta Hartsfield-Jackson

Mon 5/25

7:25 pm-11:00 am

1 stop34h 35m

$911
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/20

5:00 am-4:55 pm

1 stop16h 55m

Atlanta Hartsfield-Jackson

Mon 4/27

8:05 pm-3:25 pm

1 stop14h 20m

$920

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 5/9

5:00 am-4:55 pm

1 stop16h 55m

Atlanta Hartsfield-Jackson

Mon 5/25

11:10 am-10:30 am

1 stop18h 20m

$929

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?

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

18h 34m

Direct flights

None
The fastest flight from Porto to Atlanta takes 18h 34m
There are no direct flights from Porto to Atlanta. There are no popular flight routes from Porto to Atlanta.
Search flight deals

  • 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 18h 34m.

  • 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
Covington
Norcross
Auburn
Dahlonega
Newnan
Kennesaw
La Grange
Lithonia
College Park
Gadsden
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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