Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Porto to Atlanta from $384

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 4/19. 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
7:35 am - 9:07 am
OPO
-
ATL
30h 32m
2 stops
Multiple Airlines Logo
10:12 am - 7:20 pm
ATL
-
OPO
29h 08m
2 stops
$640Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
6:40 pm - 7:42 am
OPO
-
ATL
18h 02m
1 stop
Multiple Airlines Logo
7:02 pm - 6:15 pm
ATL
-
OPO
19h 13m
2 stops
$663Multiple Airlines
Mon, Mar 2 - Mon, Mar 23
Multiple Airlines Logo
6:15 am - 8:31 pm
OPO
-
ATL
43h 16m
3 stops
Multiple Airlines Logo
10:34 am - 8:10 am
ATL
-
OPO
41h 36m
3 stops
$672Multiple Airlines
Mon, Mar 2 - Mon, Mar 23
Multiple Airlines Logo
9:55 pm - 8:31 pm
OPO
-
ATL
27h 36m
3 stops
Multiple Airlines Logo
6:00 am - 12:10 pm
ATL
-
OPO
26h 10m
3 stops
$700Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
6:35 am - 7:42 am
OPO
-
ATL
30h 07m
3 stops
Multiple Airlines Logo
5:25 am - 6:50 pm
ATL
-
OPO
32h 25m
3 stops
$721Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
6:40 pm - 7:42 am
OPO
-
ATL
18h 02m
1 stop
Multiple Airlines Logo
7:02 pm - 3:00 pm
ATL
-
OPO
15h 58m
2 stops
$724Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
6:15 am - 7:42 am
OPO
-
ATL
30h 27m
3 stops
Multiple Airlines Logo
5:45 am - 8:00 am
ATL
-
OPO
22h 15m
2 stops
$739Multiple Airlines
Mon, Mar 2 - Mon, Mar 23
Multiple Airlines Logo
5:35 pm - 8:31 pm
OPO
-
ATL
31h 56m
3 stops
Multiple Airlines Logo
6:00 am - 7:55 am
ATL
-
OPO
21h 55m
2 stops
$740Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
6:35 am - 7:42 am
OPO
-
ATL
30h 07m
3 stops
Multiple Airlines Logo
6:00 am - 10:15 am
ATL
-
OPO
23h 15m
2 stops
$759Multiple Airlines
Thu, Feb 19 - Wed, Mar 4
Multiple Airlines Logo
6:30 am - 11:03 pm
OPO
-
ATL
45h 33m
3 stops
Multiple Airlines Logo
6:00 am - 1:10 pm
ATL
-
OPO
26h 10m
3 stops
$801Multiple Airlines
Sun, Feb 22 - Sat, Mar 7

United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
Mar 2
OPO6:00 amPorto
18h 17m
2 stops
ATL7:17 pmAtlanta Hartsfield-Jackson
Mar 23
ATL11:43 amAtlanta Hartsfield-Jackson
17h 47m
2 stops
OPO9:30 amPorto
$803
United Airlines
Feb 22
OPO12:35 pmPorto
16h 09m
1 stop
ATL11:44 pmAtlanta Hartsfield-Jackson
Mar 7
ATL7:45 amAtlanta Hartsfield-Jackson
20h 45m
1 stop
OPO9:30 amPorto
$844
United Airlines
Feb 22
OPO12:35 pmPorto
26h 41m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
Mar 7
ATL11:19 amAtlanta Hartsfield-Jackson
17h 11m
1 stop
OPO9:30 amPorto
$848

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Feb 19
OPO4:15 pmPorto
27h 15m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Mar 4
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$805
Lufthansa
Feb 19
OPO6:00 amPorto
18h 17m
2 stops
ATL7:17 pmAtlanta Hartsfield-Jackson
Mar 4
ATL2:39 pmAtlanta Hartsfield-Jackson
17h 36m
2 stops
OPO1:15 pmPorto
$806
Lufthansa
Feb 19
OPO6:00 amPorto
20h 07m
2 stops
ATL9:07 pmAtlanta Hartsfield-Jackson
Mar 4
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$808

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 February 3, 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

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/3

7:35 am-9:07 am

2 stops30h 32m

Atlanta Hartsfield-Jackson

Tue 3/10

10:12 am-7:20 pm

2 stops29h 08m

$640

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 3/2

6:40 pm-7:42 am

1 stop18h 02m

Atlanta Hartsfield-Jackson

Mon 3/23

7:02 pm-6:15 pm

2 stops19h 13m

$663

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 3/2

6:15 am-8:31 pm

3 stops43h 16m

Atlanta Hartsfield-Jackson

Mon 3/23

10:34 am-8:10 am

3 stops41h 36m

$672

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/3

9:55 pm-8:31 pm

3 stops27h 36m

Atlanta Hartsfield-Jackson

Tue 3/10

6:00 am-12:10 pm

3 stops26h 10m

$700

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 2/19

6:35 am-7:42 am

3 stops30h 07m

Atlanta Hartsfield-Jackson

Wed 3/4

5:25 am-6:50 pm

3 stops32h 25m

$721

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/3

6:40 pm-7:42 am

1 stop18h 02m

Atlanta Hartsfield-Jackson

Tue 3/10

7:02 pm-3:00 pm

2 stops15h 58m

$724

PortoAtlanta

OPO - ATL

OPOATL

Porto

Mon 3/2

6:15 am-7:42 am

3 stops30h 27m

Atlanta Hartsfield-Jackson

Mon 3/23

5:45 am-8:00 am

2 stops22h 15m

$739

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/3

5:35 pm-8:31 pm

3 stops31h 56m

Atlanta Hartsfield-Jackson

Tue 3/10

6:00 am-7:55 am

2 stops21h 55m

$740

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 2/19

6:35 am-7:42 am

3 stops30h 07m

Atlanta Hartsfield-Jackson

Wed 3/4

6:00 am-10:15 am

2 stops23h 15m

$759

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 2/22

6:30 am-11:03 pm

3 stops45h 33m

Atlanta Hartsfield-Jackson

Sat 3/7

6:00 am-1:10 pm

3 stops26h 10m

$801

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 cheapest month to fly to Atlanta?

The month of February is, on average, the cheapest month to fly to Atlanta from Porto, with most prices found around $740. If you aren’t able to travel to Atlanta during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $800.

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 42% 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

16h 55m

Direct flights

None
The fastest flight from Porto to Atlanta takes 16h 55m
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 16h 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.

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
Duluth
McDonough
Blue Ridge
Warner Robins
Stone Mountain
Lawrenceville
Cartersville
Covington
Auburn
Dahlonega
Norcross
Gadsden
Conyers
Kennesaw
Newnan
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
Thu 3/5
Thu 3/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States