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Cheap flights from Porto to Atlanta from $342

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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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 am - 8:16 pm
OPO
-
ATL
43h 21m
3 stops
Multiple Airlines Logo
9:21 pm - 11:40 am
ATL
-
OPO
33h 19m
3 stops
$861Multiple Airlines
Sun, May 3 - Sun, May 10
KLM Logo
4:20 pm - 12:44 pm
OPO
-
ATL
25h 24m
1 stop
KLM Logo
10:30 pm - 3:25 pm
ATL
-
OPO
11h 55m
1 stop
$887KLM
Sun, Apr 26 - Thu, May 7
United Airlines Logo
12:05 pm - 11:29 am
OPO
-
ATL
28h 24m
3 stops
United Airlines Logo
8:00 am - 6:15 am
ATL
-
OPO
17h 15m
2 stops
$888United Airlines
Tue, May 19 - Tue, May 26
United Airlines Logo
6:00 am - 11:33 am
OPO
-
ATL
34h 33m
3 stops
United Airlines Logo
12:40 pm - 6:55 am
ATL
-
OPO
13h 15m
1 stop
$890United Airlines
Sat, May 23 - Sat, May 30
Delta Logo
5:00 am - 4:55 pm
OPO
-
ATL
16h 55m
1 stop
Delta Logo
10:40 pm - 10:15 pm
ATL
-
OPO
18h 35m
1 stop
$892Delta
Sun, May 3 - Sun, May 10
Delta Logo
5:00 am - 6:40 pm
OPO
-
ATL
18h 40m
2 stops
Delta Logo
11:10 am - 8:30 am
ATL
-
OPO
16h 20m
2 stops
$894Delta
Sun, Apr 26 - Thu, May 7
Multiple Airlines Logo
5:55 am - 8:16 pm
OPO
-
ATL
43h 21m
3 stops
Multiple Airlines Logo
9:25 am - 11:40 am
ATL
-
OPO
21h 15m
2 stops
$895Multiple Airlines
Sun, May 3 - Sun, May 10
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
$896United Airlines
Fri, Sep 25 - Tue, Oct 6
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
$897United Airlines
Fri, Sep 25 - Tue, Oct 6
Multiple Airlines Logo
8:40 am - 9:21 pm
OPO
-
ATL
17h 41m
2 stops
Multiple Airlines Logo
9:25 am - 11:10 am
ATL
-
OPO
20h 45m
2 stops
$898Multiple Airlines
Tue, May 19 - Tue, May 26

United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
Apr 16
OPO6:00 amPorto
22h 59m
2 stops
ATL11:59 pmAtlanta Hartsfield-Jackson
Apr 20
ATL4:50 pmAtlanta Hartsfield-Jackson
11h 55m
1 stop
OPO9:45 amPorto
$887
United Airlines
May 19
OPO12:05 pmPorto
28h 24m
3 stops
ATL11:29 amAtlanta Hartsfield-Jackson
May 26
ATL8:00 amAtlanta Hartsfield-Jackson
17h 15m
2 stops
OPO6:15 amPorto
$888
United Airlines
May 23
OPO6:00 amPorto
34h 33m
3 stops
ATL11:33 amAtlanta Hartsfield-Jackson
May 30
ATL12:40 pmAtlanta Hartsfield-Jackson
13h 15m
1 stop
OPO6:55 amPorto
$890

Delta flights from Porto to Atlanta

Our best Delta deals on Porto to Atlanta flight tickets
Delta
Apr 17
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
May 3
ATL9:45 pmAtlanta Hartsfield-Jackson
12h 40m
1 stop
OPO3:25 pmPorto
$888
Delta
May 3
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
May 10
ATL10:40 pmAtlanta Hartsfield-Jackson
18h 35m
1 stop
OPO10:15 pmPorto
$892
Delta
Apr 13
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
Apr 26
ATL12:23 pmAtlanta Hartsfield-Jackson
17h 17m
2 stops
OPO10:40 amPorto
$893

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 April 9, 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

Sun 5/3

5:55 am-8:16 pm

3 stops43h 21m

Atlanta Hartsfield-Jackson

Sun 5/10

9:21 pm-11:40 am

3 stops33h 19m

$861

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

4:20 pm-12:44 pm

1 stop25h 24m

Atlanta Hartsfield-Jackson

Thu 5/7

10:30 pm-3:25 pm

1 stop11h 55m

$887

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/19

12:05 pm-11:29 am

3 stops28h 24m

Atlanta Hartsfield-Jackson

Tue 5/26

8:00 am-6:15 am

2 stops17h 15m

$888

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 5/23

6:00 am-11:33 am

3 stops34h 33m

Atlanta Hartsfield-Jackson

Sat 5/30

12:40 pm-6:55 am

1 stop13h 15m

$890

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 5/3

5:00 am-4:55 pm

1 stop16h 55m

Atlanta Hartsfield-Jackson

Sun 5/10

10:40 pm-10:15 pm

1 stop18h 35m

$892

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 4/26

5:00 am-6:40 pm

2 stops18h 40m

Atlanta Hartsfield-Jackson

Thu 5/7

11:10 am-8:30 am

2 stops16h 20m

$894

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 5/3

5:55 am-8:16 pm

3 stops43h 21m

Atlanta Hartsfield-Jackson

Sun 5/10

9:25 am-11:40 am

2 stops21h 15m

$895
Quickest round-trip

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

$896

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

$897

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/19

8:40 am-9:21 pm

2 stops17h 41m

Atlanta Hartsfield-Jackson

Tue 5/26

9:25 am-11:10 am

2 stops20h 45m

$898

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

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

13h 14m

Direct flights

None
The fastest flight from Porto to Atlanta takes 13h 14m
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 13h 14m.

  • 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
Kennesaw
Newnan
Dahlonega
College Park
La Grange
Lithonia
Gainesville
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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