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Cheap flights from Porto to Atlanta from $461

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 1/8. 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.
Scandinavian Airlines Logo
5:35 pm - 5:25 pm
OPO
-
ATL
28h 50m1 stop
Scandinavian Airlines Logo
9:00 pm - 4:45 pm
ATL
-
OPO
15h 45m1 stop
$612Scandinavian Airlines
Fri, Mar 6 - Sun, Mar 22
Multiple Airlines Logo
6:40 pm - 9:01 am
OPO
-
ATL
19h 21m1 stop
Multiple Airlines Logo
7:07 pm - 11:50 am
ATL
-
OPO
11h 43m1 stop
$631Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
6:35 pm - 8:51 am
OPO
-
ATL
19h 16m1 stop
Multiple Airlines Logo
7:07 pm - 12:00 pm
ATL
-
OPO
11h 53m1 stop
$636Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
8:10 pm - 7:44 am
OPO
-
ATL
40h 34m2 stops
Multiple Airlines Logo
10:40 am - 3:15 pm
ATL
-
OPO
23h 35m2 stops
$647Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
2:20 pm - 9:02 am
OPO
-
ATL
23h 42m2 stops
Multiple Airlines Logo
9:57 am - 10:00 pm
ATL
-
OPO
31h 03m2 stops
$648Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
6:40 pm - 9:01 am
OPO
-
ATL
19h 21m1 stop
Multiple Airlines Logo
7:07 pm - 3:00 pm
ATL
-
OPO
14h 53m2 stops
$656Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Multiple Airlines Logo
6:55 am - 8:01 am
OPO
-
ATL
30h 06m3 stops
Multiple Airlines Logo
9:57 am - 12:10 pm
ATL
-
OPO
21h 13m2 stops
$673Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Air Canada Logo
6:00 am - 12:03 pm
OPO
-
ATL
35h 03m2 stops
Air Canada Logo
12:55 pm - 11:40 am
ATL
-
OPO
17h 45m2 stops
$681Air Canada
Thu, Jan 15 - Wed, Jan 28
Iberia Logo
8:20 am - 11:58 pm
OPO
-
ATL
20h 38m2 stops
Iberia Logo
12:50 pm - 4:00 pm
ATL
-
OPO
22h 10m2 stops
$686Iberia
Fri, Jan 23 - Mon, Jan 26
Multiple Airlines Logo
11:35 am - 7:29 am
OPO
-
ATL
24h 54m2 stops
Multiple Airlines Logo
1:41 pm - 8:10 am
ATL
-
OPO
37h 29m2 stops
$698Multiple Airlines
Thu, Jan 15 - Wed, Jan 28

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 28
ATL12:55 pmAtlanta Hartsfield-Jackson
17h 45m
2 stops
OPO11:40 amPorto
$681
Find similar
Air Canada
Jan 15
OPO6:00 amPorto
35h 03m
2 stops
ATL12:03 pmAtlanta Hartsfield-Jackson
Jan 28
ATL12:55 pmAtlanta Hartsfield-Jackson
19h 20m
2 stops
OPO1:15 pmPorto
$774
Find similar
Air Canada
Jan 23
OPO9:00 amPorto
19h 25m
3 stops
ATL11:25 pmAtlanta Hartsfield-Jackson
Jan 26
ATL1:10 pmAtlanta Hartsfield-Jackson
23h 20m
2 stops
OPO5:30 pmPorto
$926
Find similar

American Airlines flights from Porto to Atlanta

Our best American Airlines deals on Porto to Atlanta flight tickets
American Airlines
Jan 24
OPO8:20 amPorto
15h 30m
2 stops
ATL6:50 pmAtlanta Hartsfield-Jackson
Jan 26
ATL6:49 pmAtlanta Hartsfield-Jackson
16h 11m
2 stops
OPO4:00 pmPorto
$705
Find similar
American Airlines
Jan 24
OPO8:20 amPorto
20h 38m
2 stops
ATL11:58 pmAtlanta Hartsfield-Jackson
Jan 26
ATL12:50 pmAtlanta Hartsfield-Jackson
22h 10m
2 stops
OPO4:00 pmPorto
$803
Find similar
American Airlines
Jan 24
OPO8:20 amPorto
20h 38m
2 stops
ATL11:58 pmAtlanta Hartsfield-Jackson
Jan 26
ATL3:00 pmAtlanta Hartsfield-Jackson
15h 45m
2 stops
OPO11:45 amPorto
$806
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 December 4, 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

Fri 3/6

5:35 pm-5:25 pm

1 stop28h 50m

Atlanta Hartsfield-Jackson

Sun 3/22

9:00 pm-4:45 pm

1 stop15h 45m

$612

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 1/20

6:40 pm-9:01 am

1 stop19h 21m

Atlanta Hartsfield-Jackson

Tue 1/27

7:07 pm-11:50 am

1 stop11h 43m

$631

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 1/16

6:35 pm-8:51 am

1 stop19h 16m

Atlanta Hartsfield-Jackson

Fri 1/23

7:07 pm-12:00 pm

1 stop11h 53m

$636

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 1/20

8:10 pm-7:44 am

2 stops40h 34m

Atlanta Hartsfield-Jackson

Tue 1/27

10:40 am-3:15 pm

2 stops23h 35m

$647

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 1/16

2:20 pm-9:02 am

2 stops23h 42m

Atlanta Hartsfield-Jackson

Fri 1/23

9:57 am-10:00 pm

2 stops31h 03m

$648

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 1/20

6:40 pm-9:01 am

1 stop19h 21m

Atlanta Hartsfield-Jackson

Tue 1/27

7:07 pm-3:00 pm

2 stops14h 53m

$656

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 1/16

6:55 am-8:01 am

3 stops30h 06m

Atlanta Hartsfield-Jackson

Fri 1/23

9:57 am-12:10 pm

2 stops21h 13m

$673

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 1/15

6:00 am-12:03 pm

2 stops35h 03m

Atlanta Hartsfield-Jackson

Wed 1/28

12:55 pm-11:40 am

2 stops17h 45m

$681

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 1/23

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

Mon 1/26

12:50 pm-4:00 pm

2 stops22h 10m

$686

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 1/15

11:35 am-7:29 am

2 stops24h 54m

Atlanta Hartsfield-Jackson

Wed 1/28

1:41 pm-8:10 am

2 stops37h 29m

$698

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

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

19h 38m

Direct flights

None
The fastest flight from Porto to Atlanta takes 19h 38m
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 15h 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
1,430 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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