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Cheap flights from Porto to Atlanta from $361

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 5/18. 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.
Delta Logo
5:00 am - 1:59 pm
OPO
-
ATL
13h 59m
1 stop
Delta Logo
6:50 pm - 10:30 am
ATL
-
OPO
10h 40m
1 stop
$907Delta
Sun, May 17 - Mon, Jun 1
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$908United Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$909United Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
12:00 pm - 11:59 pm
OPO
-
ATL
16h 59m
2 stops
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$911United Airlines
Wed, Apr 29 - Sun, May 3
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
$912Air Canada
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$913United Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 11:56 pm
OPO
-
ATL
22h 56m
2 stops
United Airlines Logo
2:30 pm - 9:45 am
ATL
-
OPO
14h 15m
2 stops
$915United Airlines
Fri, Sep 25 - Tue, Oct 6
Multiple Airlines Logo
6:00 am - 9:10 pm
OPO
-
ATL
20h 10m
2 stops
Multiple Airlines Logo
11:15 am - 7:00 am
ATL
-
OPO
14h 45m
2 stops
$916Multiple Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
6:00 am - 10:14 am
OPO
-
ATL
33h 14m
2 stops
United Airlines Logo
12:55 pm - 7:00 am
ATL
-
OPO
13h 05m
1 stop
$920United Airlines
Fri, Sep 25 - Tue, Oct 6
United Airlines Logo
12:00 pm - 1:45 pm
OPO
-
ATL
30h 45m
1 stop
United Airlines Logo
3:55 pm - 11:15 am
ATL
-
OPO
14h 20m
1 stop
$926United Airlines
Wed, Apr 29 - Sun, May 3

Delta flights from Porto to Atlanta

Our best Delta deals on Porto to Atlanta flight tickets
Delta
Apr 23
OPO5:00 amPorto
16h 55m
1 stop
ATL4:55 pmAtlanta Hartsfield-Jackson
May 6
ATL9:45 pmAtlanta Hartsfield-Jackson
19h 15m
1 stop
OPO10:00 pmPorto
$900
Delta
Apr 23
OPO5:00 amPorto
18h 40m
2 stops
ATL6:40 pmAtlanta Hartsfield-Jackson
May 6
ATL9:45 pmAtlanta Hartsfield-Jackson
12h 40m
1 stop
OPO3:25 pmPorto
$906
Delta
May 17
OPO5:00 amPorto
13h 59m
1 stop
ATL1:59 pmAtlanta Hartsfield-Jackson
Jun 1
ATL6:50 pmAtlanta Hartsfield-Jackson
10h 40m
1 stop
OPO10:30 amPorto
$907

Iberia flights from Porto to Atlanta

Our best Iberia deals on Porto to Atlanta flight tickets
Iberia
Apr 23
OPO8:20 amPorto
19h 03m
2 stops
ATL10:23 pmAtlanta Hartsfield-Jackson
May 6
ATL4:49 pmAtlanta Hartsfield-Jackson
18h 11m
2 stops
OPO4:00 pmPorto
$918
Iberia
Apr 29
OPO8:20 amPorto
19h 03m
2 stops
ATL10:23 pmAtlanta Hartsfield-Jackson
May 3
ATL8:09 pmAtlanta Hartsfield-Jackson
34h 36m
2 stops
OPO11:45 amPorto
$1,115

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 19, 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

Sun 5/17

5:00 am-1:59 pm

1 stop13h 59m

Atlanta Hartsfield-Jackson

Mon 6/1

6:50 pm-10:30 am

1 stop10h 40m

$907

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$908

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

2:30 pm-9:45 am

2 stops14h 15m

$909

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/29

12:00 pm-11:59 pm

2 stops16h 59m

Atlanta Hartsfield-Jackson

Sun 5/3

3:55 pm-11:15 am

1 stop14h 20m

$911

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

$912

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$913

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-11:56 pm

2 stops22h 56m

Atlanta Hartsfield-Jackson

Tue 10/6

2:30 pm-9:45 am

2 stops14h 15m

$915

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-9:10 pm

2 stops20h 10m

Atlanta Hartsfield-Jackson

Tue 10/6

11:15 am-7:00 am

2 stops14h 45m

$916

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-10:14 am

2 stops33h 14m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$920

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/29

12:00 pm-1:45 pm

1 stop30h 45m

Atlanta Hartsfield-Jackson

Sun 5/3

3:55 pm-11:15 am

1 stop14h 20m

$926

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

24h 40m

Direct flights

None
The fastest flight from Porto to Atlanta takes 24h 40m
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 24h 40m.

  • 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
College Park
Dahlonega
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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