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Cheap flights from Porto to Atlanta from $325

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 1/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
Multiple Airlines Logo
8:00 pm - 7:30 pmOPO-ATL
28h 30m2 stops
Multiple Airlines Logo
9:57 am - 11:05 amATL-OPO
20h 08m2 stops
$666Multiple Airlines
Find Deal
jue., ene. 15 - mié., ene. 28
American Airlines Logo
8:20 am - 8:10 pmOPO-ATL
40h 50m2 stops
American Airlines Logo
10:10 pm - 11:45 amATL-OPO
32h 35m2 stops
$672American Airlines
Find Deal
jue., ene. 15 - mié., ene. 28
American Airlines Logo
8:20 am - 10:48 amOPO-ATL
31h 28m2 stops
American Airlines Logo
10:10 pm - 7:40 amATL-OPO
28h 30m2 stops
$673American Airlines
Find Deal
jue., ene. 15 - mié., ene. 28
Air Canada Logo
6:00 am - 12:03 pmOPO-ATL
35h 03m2 stops
Air Canada Logo
12:55 pm - 11:40 amATL-OPO
17h 45m2 stops
$681Air Canada
Find Deal
jue., ene. 15 - jue., ene. 22
Iberia Logo
8:40 pm - 5:48 pmOPO-ATL
26h 08m2 stops
Iberia Logo
11:17 am - 4:00 pmATL-OPO
23h 43m2 stops
$685Iberia
Find Deal
vie., ene. 23 - lun., ene. 26
British Airways Logo
8:20 am - 11:58 pmOPO-ATL
20h 38m2 stops
British Airways Logo
10:10 pm - 4:45 pmATL-OPO
13h 35m1 stop
$686British Airways
Find Deal
jue., ene. 15 - mié., ene. 28
British Airways Logo
8:20 am - 11:58 pmOPO-ATL
20h 38m2 stops
British Airways Logo
10:10 pm - 4:45 pmATL-OPO
13h 35m1 stop
$687British Airways
Find Deal
jue., ene. 15 - mié., ene. 28
British Airways Logo
5:35 pm - 8:10 pmOPO-ATL
31h 35m1 stop
British Airways Logo
10:10 pm - 4:45 pmATL-OPO
13h 35m1 stop
$689British Airways
Find Deal
jue., ene. 15 - mié., ene. 28
Multiple Airlines Logo
6:35 pm - 8:51 amOPO-ATL
19h 16m1 stop
Multiple Airlines Logo
5:45 am - 9:55 amATL-OPO
23h 10m2 stops
$695Multiple Airlines
Find Deal
jue., ene. 15 - jue., ene. 22
British Airways Logo
5:35 pm - 8:10 pmOPO-ATL
31h 35m1 stop
British Airways Logo
10:10 pm - 4:45 pmATL-OPO
13h 35m1 stop
$697British Airways
Find Deal
jue., ene. 15 - mié., ene. 28

American Airlines flights from Porto to Atlanta

Our best American Airlines deals on Porto to Atlanta flight tickets
American Airlines
Jan 15
OPO8:20 amPorto
40h 50m
2 stops
ATL8:10 pmAtlanta Hartsfield-Jackson
Jan 28
ATL10:10 pmAtlanta Hartsfield-Jackson
32h 35m
2 stops
OPO11:45 amPorto
$672
Find similar
American Airlines
Jan 15
OPO8:20 amPorto
31h 28m
2 stops
ATL10:48 amAtlanta Hartsfield-Jackson
Jan 28
ATL10:10 pmAtlanta Hartsfield-Jackson
28h 30m
2 stops
OPO7:40 amPorto
$673
Find similar
American Airlines
Jan 24
OPO8:20 amPorto
15h 30m
2 stops
ATL6:50 pmAtlanta Hartsfield-Jackson
Jan 26
ATL12:50 pmAtlanta Hartsfield-Jackson
22h 10m
2 stops
OPO4:00 pmPorto
$704
Find similar

Air Canada flights from Porto to Atlanta

Our best Air Canada deals on Porto to Atlanta flight tickets
Air Canada
Jan 15
OPO6:00 amPorto
35h 03m
2 stops
ATL12:03 pmAtlanta Hartsfield-Jackson
Jan 22
ATL12:55 pmAtlanta Hartsfield-Jackson
17h 45m
2 stops
OPO11:40 amPorto
$681
Find similar
Air Canada
Jan 23
OPO9:00 amPorto
19h 25m
3 stops
ATL11:25 pmAtlanta Hartsfield-Jackson
Jan 26
ATL12:55 pmAtlanta Hartsfield-Jackson
21h 00m
2 stops
OPO2:55 pmPorto
$923
Find similar
Air Canada
Jan 15
OPO9:00 amPorto
19h 25m
3 stops
ATL11:25 pmAtlanta Hartsfield-Jackson
Jan 28
ATL12:55 pmAtlanta Hartsfield-Jackson
19h 20m
2 stops
OPO1:15 pmPorto
$988
Find similar

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 diciembre 1, 2025.
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

jue. 1/15

8:00 pm-7:30 pm

2 stops28h 30m

Atlanta Hartsfield-Jackson

mié. 1/28

9:57 am-11:05 am

2 stops20h 08m

$666

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

8:20 am-8:10 pm

2 stops40h 50m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-11:45 am

2 stops32h 35m

$672

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

8:20 am-10:48 am

2 stops31h 28m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-7:40 am

2 stops28h 30m

$673

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

6:00 am-12:03 pm

2 stops35h 03m

Atlanta Hartsfield-Jackson

jue. 1/22

12:55 pm-11:40 am

2 stops17h 45m

$681

PortoAtlanta

OPO - ATL

OPOATL

Porto

vie. 1/23

8:40 pm-5:48 pm

2 stops26h 08m

Atlanta Hartsfield-Jackson

lun. 1/26

11:17 am-4:00 pm

2 stops23h 43m

$685

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-4:45 pm

1 stop13h 35m

$686

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-4:45 pm

1 stop13h 35m

$687

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

5:35 pm-8:10 pm

1 stop31h 35m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-4:45 pm

1 stop13h 35m

$689

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

6:35 pm-8:51 am

1 stop19h 16m

Atlanta Hartsfield-Jackson

jue. 1/22

5:45 am-9:55 am

2 stops23h 10m

$695

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 1/15

5:35 pm-8:10 pm

1 stop31h 35m

Atlanta Hartsfield-Jackson

mié. 1/28

10:10 pm-4:45 pm

1 stop13h 35m

$697

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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?

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 $701. If you aren’t able to travel to Atlanta during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $790.

What is the cheapest day to depart on your flight to Atlanta?

Our data shows that Thursday is the least expensive day to fly to Atlanta. Tickets to fly out on this day can be as low as $823. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Atlanta on Saturday is $1,373.

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

29h 15m

Direct flights

None
The fastest flight from Porto to Atlanta takes 29h 15m
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 14h 30m.

  • 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 many operators does momondo search for flights from Porto Airport to Atlanta Hartsfield-Jackson Airport?

  • 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.

  • What is the most popular airline from Porto to Atlanta?

Best airlines flying from Porto to Atlanta

Compare and see reviews for airlines that fly from Porto to Atlanta with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom $871Free CancellationRating
7.7
1,425 reviews
Search KLM flights

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
Helen
Marietta
McDonough
Duluth
Blue Ridge
Warner Robins
Lawrenceville
Dahlonega
Stone Mountain
Covington
Cartersville
Norcross
Auburn
Gadsden
Conyers
Newnan
La Grange
Gainesville
Lithonia
Kennesaw

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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