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Cheap flights from Porto to Atlanta from $364

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 10/13. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
11:50 am - 5:05 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
34h 15m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
7:30 pm - 11:00 amATL  Atlanta Hartsfield-Jackson-OPO Porto
34h 30m1 stop Kastrup Copenhagen
$832Scandinavian Airlines
Thu, Oct 8 - Mon, Oct 12
Multiple Airlines Logo
6:15 am - 11:14 amOPO  Porto-ATL Atlanta Hartsfield-Jackson
33h 59m2 stops London Stansted Orlando
Multiple Airlines Logo
5:35 pm - 10:30 amATL  Atlanta Hartsfield-Jackson-OPO Porto
11h 55m1 stop New York John F Kennedy Intl
$832Multiple Airlines
Mon, Sep 21 - Mon, Oct 5
Iberia Logo
12:25 pm - 11:57 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
16h 32m2 stops Madrid Barajas Miami
Iberia Logo
10:50 am - 11:45 amATL  Atlanta Hartsfield-Jackson-OPO Porto
19h 55m2 stops Miami Madrid Barajas
$865Iberia
Thu, Sep 24 - Thu, Oct 1
Lufthansa Logo
12:00 pm - 1:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
30h 45m1 stop Frankfurt am Main
Lufthansa Logo
3:55 pm - 3:40 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
18h 45m1 stop Frankfurt am Main
$887Lufthansa
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
10:30 am - 5:05 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
35h 35m2 stops Manchester Kastrup Copenhagen
Multiple Airlines Logo
7:30 pm - 8:00 amATL  Atlanta Hartsfield-Jackson-OPO Porto
31h 30m3 stops Kastrup Copenhagen Manchester Barcelona-El Prat
$889Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
10:30 am - 5:05 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
35h 35m3 stops Manchester Oslo Gardermoen Kastrup Copenhagen
Multiple Airlines Logo
7:30 pm - 8:00 amATL  Atlanta Hartsfield-Jackson-OPO Porto
31h 30m3 stops Kastrup Copenhagen Manchester Barcelona-El Prat
$898Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Lufthansa Logo
4:35 pm - 1:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
26h 10m1 stop Frankfurt am Main
Lufthansa Logo
3:55 pm - 11:15 amATL  Atlanta Hartsfield-Jackson-OPO Porto
14h 20m1 stop Frankfurt am Main
$902Lufthansa
Mon, Aug 24 - Mon, Sep 7
Delta Logo
5:00 am - 5:00 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
17h 00m1 stop Amsterdam Schiphol
Delta Logo
10:05 pm - 3:25 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
12h 20m1 stop Paris Charles de Gaulle
$904Delta
Mon, Sep 21 - Mon, Oct 5
KLM Logo
5:00 am - 5:00 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
17h 00m1 stop Amsterdam Schiphol
KLM Logo
8:05 pm - 3:25 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
14h 20m1 stop Paris Charles de Gaulle
$905KLM
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
6:00 am - 9:29 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 29m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
11:11 am - 7:00 amATL  Atlanta Hartsfield-Jackson-OPO Porto
14h 49m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
$905Multiple Airlines
Mon, Sep 21 - Mon, Oct 5

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Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Aug 24
OPO4:35 pmPorto
26h 10m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Sep 7
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO11:15 amPorto
$902
Lufthansa
Aug 24
OPO12:10 pmPorto
30h 35m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Sep 7
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO11:15 amPorto
$905
Lufthansa
Aug 24
OPO12:10 pmPorto
30h 35m
1 stop
ATL1:45 pmAtlanta Hartsfield-Jackson
Sep 7
ATL3:55 pmAtlanta Hartsfield-Jackson
14h 20m
1 stop
OPO11:15 amPorto
$909

Delta flights from Porto to Atlanta

Our best Delta deals on Porto to Atlanta flight tickets
Delta
Sep 21
OPO5:00 amPorto
17h 00m
1 stop
ATL5:00 pmAtlanta Hartsfield-Jackson
Oct 5
ATL10:05 pmAtlanta Hartsfield-Jackson
12h 20m
1 stop
OPO3:25 pmPorto
$904
Delta
Aug 24
OPO11:25 amPorto
34h 33m
1 stop
ATL4:58 pmAtlanta Hartsfield-Jackson
Sep 7
ATL4:30 pmAtlanta Hartsfield-Jackson
17h 55m
1 stop
OPO3:25 pmPorto
$929
Delta
Aug 24
OPO11:25 amPorto
34h 33m
1 stop
ATL4:58 pmAtlanta Hartsfield-Jackson
Sep 7
ATL4:30 pmAtlanta Hartsfield-Jackson
17h 55m
1 stop
OPO3:25 pmPorto
$930

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 August 10, 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 Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 10/8

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Mon 10/12

7:30 pm-11:00 am

1 stop34h 30m

$832

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Mon 9/21

6:15 am-11:14 am

2 stops33h 59m

Atlanta Hartsfield-Jackson

Mon 10/5

5:35 pm-10:30 am

1 stop11h 55m

$832

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/24

12:25 pm-11:57 pm

2 stops16h 32m

Atlanta Hartsfield-Jackson

Thu 10/1

10:50 am-11:45 am

2 stops19h 55m

$865

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Wed 8/26

12:00 pm-1:45 pm

1 stop30h 45m

Atlanta Hartsfield-Jackson

Sun 8/30

3:55 pm-3:40 pm

1 stop18h 45m

$887

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/24

10:30 am-5:05 pm

2 stops35h 35m

Atlanta Hartsfield-Jackson

Thu 10/1

7:30 pm-8:00 am

3 stops31h 30m

$889

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/24

10:30 am-5:05 pm

3 stops35h 35m

Atlanta Hartsfield-Jackson

Thu 10/1

7:30 pm-8:00 am

3 stops31h 30m

$898

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Mon 8/24

4:35 pm-1:45 pm

1 stop26h 10m

Atlanta Hartsfield-Jackson

Mon 9/7

3:55 pm-11:15 am

1 stop14h 20m

$902
Quickest round-trip

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Mon 9/21

5:00 am-5:00 pm

1 stop17h 00m

Atlanta Hartsfield-Jackson

Mon 10/5

10:05 pm-3:25 pm

1 stop12h 20m

$904

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/24

5:00 am-5:00 pm

1 stop17h 00m

Atlanta Hartsfield-Jackson

Thu 10/1

8:05 pm-3:25 pm

1 stop14h 20m

$905

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Mon 9/21

6:00 am-9:29 pm

2 stops20h 29m

Atlanta Hartsfield-Jackson

Mon 10/5

11:11 am-7:00 am

2 stops14h 49m

$905

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 January is, on average, the cheapest month to fly to Atlanta from Porto, with most prices found around $0. If you aren’t able to travel to Atlanta during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $867.

Can stopping save me money on Porto to Atlanta flights?

You could potentially save up to 12% 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

15h 09m

Direct flights

None
The fastest flight from Porto to Atlanta takes 15h 09m
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 15h 09m.

  • 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
7.8
1,555 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
Duluth
McDonough
Warner Robins
Blue Ridge
Stone Mountain
Norcross
Cartersville
Lawrenceville
Douglasville
Kennesaw
College Park
Conyers
Covington
Gainesville
La Grange
Newnan
Dahlonega
Auburn

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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