Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Porto to Atlanta from $334

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.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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 - 8:34 pm
OPO
-
ATL
29h 19m
3 stops
Multiple Airlines Logo
9:12 am - 4:25 pm
ATL
-
OPO
26h 13m
3 stops
$842Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
Multiple Airlines Logo
11:35 am - 3:35 pm
OPO
-
ATL
33h 00m
3 stops
Multiple Airlines Logo
2:12 pm - 7:20 pm
ATL
-
OPO
24h 08m
2 stops
$852Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
Multiple Airlines Logo
8:15 pm - 7:05 pm
OPO
-
ATL
27h 50m
3 stops
Multiple Airlines Logo
9:12 am - 8:40 pm
ATL
-
OPO
30h 28m
3 stops
$859Multiple Airlines
Mon, Apr 13 - Sun, Apr 26
Scandinavian Airlines Logo
11:50 am - 5:05 pm
OPO
-
ATL
34h 15m
1 stop
Scandinavian Airlines Logo
7:30 pm - 11:00 am
ATL
-
OPO
34h 30m
1 stop
$862Scandinavian Airlines
Thu, Sep 24 - Mon, Oct 5
Multiple Airlines Logo
11:45 am - 3:49 pm
OPO
-
ATL
33h 04m
2 stops
Multiple Airlines Logo
10:45 pm - 10:45 am
ATL
-
OPO
31h 00m
1 stop
$881Multiple Airlines
Mon, Apr 13 - Tue, Apr 28
United Airlines Logo
6:00 am - 7:12 pm
OPO
-
ATL
18h 12m
2 stops
United Airlines Logo
4:24 pm - 9:45 am
ATL
-
OPO
12h 21m
1 stop
$884United Airlines
Thu, Sep 24 - Mon, Sep 28
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
$886United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
6:00 am - 6:24 pm
OPO
-
ATL
17h 24m
2 stops
United Airlines Logo
4:24 pm - 9:45 am
ATL
-
OPO
12h 21m
1 stop
$887United Airlines
Thu, Sep 24 - Tue, Oct 6
Multiple Airlines Logo
10:30 pm - 9:33 pm
OPO
-
ATL
28h 03m
2 stops
Multiple Airlines Logo
3:52 pm - 7:00 pm
ATL
-
OPO
22h 08m
2 stops
$889Multiple Airlines
Mon, Apr 13 - Sun, Apr 26
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
$890Air Canada
Tue, Sep 22 - Tue, Oct 6

Air Canada flights from Porto to Atlanta

Our best Air Canada deals on Porto to Atlanta flight tickets
Air Canada
Sep 22
OPO6:00 amPorto
39h 19m
2 stops
ATL4:19 pmAtlanta Hartsfield-Jackson
Oct 6
ATL12:55 pmAtlanta Hartsfield-Jackson
13h 05m
1 stop
OPO7:00 amPorto
$890
Air Canada
Sep 22
OPO6:00 amPorto
39h 19m
2 stops
ATL4:19 pmAtlanta Hartsfield-Jackson
Oct 5
ATL2:35 pmAtlanta Hartsfield-Jackson
35h 25m
2 stops
OPO7:00 amPorto
$894
Air Canada
Sep 22
OPO6:00 amPorto
39h 19m
2 stops
ATL4:19 pmAtlanta Hartsfield-Jackson
Oct 4
ATL5:00 pmAtlanta Hartsfield-Jackson
33h 00m
2 stops
OPO7:00 amPorto
$898

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Sep 24
OPO6:00 amPorto
19h 51m
2 stops
ATL8:51 pmAtlanta Hartsfield-Jackson
Oct 8
ATL2:30 pmAtlanta Hartsfield-Jackson
15h 45m
2 stops
OPO11:15 amPorto
$909
Lufthansa
Sep 25
OPO4:35 pmPorto
26h 10m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 6
ATL3:55 pmAtlanta Hartsfield-Jackson
25h 55m
1 stop
OPO10:50 pmPorto
$947
Lufthansa
Sep 25
OPO4:35 pmPorto
26h 10m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 6
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 15m
1 stop
OPO11:10 amPorto
$959

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 2, 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 4/13

8:15 pm-8:34 pm

3 stops29h 19m

Atlanta Hartsfield-Jackson

Tue 4/28

9:12 am-4:25 pm

3 stops26h 13m

$842

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 4/15

11:35 am-3:35 pm

3 stops33h 00m

Atlanta Hartsfield-Jackson

Sat 4/18

2:12 pm-7:20 pm

2 stops24h 08m

$852

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/13

8:15 pm-7:05 pm

3 stops27h 50m

Atlanta Hartsfield-Jackson

Sun 4/26

9:12 am-8:40 pm

3 stops30h 28m

$859

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Mon 10/5

7:30 pm-11:00 am

1 stop34h 30m

$862

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/13

11:45 am-3:49 pm

2 stops33h 04m

Atlanta Hartsfield-Jackson

Tue 4/28

10:45 pm-10:45 am

1 stop31h 00m

$881

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

6:00 am-7:12 pm

2 stops18h 12m

Atlanta Hartsfield-Jackson

Mon 9/28

4:24 pm-9:45 am

1 stop12h 21m

$884

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

6:00 am-7:12 pm

2 stops18h 12m

Atlanta Hartsfield-Jackson

Mon 9/28

2:30 pm-9:45 am

2 stops14h 15m

$886
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/24

6:00 am-6:24 pm

2 stops17h 24m

Atlanta Hartsfield-Jackson

Tue 10/6

4:24 pm-9:45 am

1 stop12h 21m

$887

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 4/13

10:30 pm-9:33 pm

2 stops28h 03m

Atlanta Hartsfield-Jackson

Sun 4/26

3:52 pm-7:00 pm

2 stops22h 08m

$889

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 9/22

6:00 am-4:19 pm

2 stops39h 19m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$890

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 12m

Direct flights

None
The fastest flight from Porto to Atlanta takes 18h 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 18h 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
Lawrenceville
Cartersville
Covington
Norcross
Auburn
Dahlonega
Newnan
Kennesaw
La Grange
College Park
Lithonia
Douglasville
Gainesville

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.

An easier way to manage your Atlanta trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/2
Sat 5/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States