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Cheap flights from Porto to Atlanta from $355

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 11/13. 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 pm
OPO
-
ATL
34h 15m
1 stop
Scandinavian Airlines Logo
7:30 pm - 5:05 pm
ATL
-
OPO
16h 35m
1 stop
$750Scandinavian Airlines
Thu, Sep 17 - Sat, Sep 26
Scandinavian Airlines Logo
5:55 pm - 5:05 pm
OPO
-
ATL
28h 10m
1 stop
Scandinavian Airlines Logo
7:30 pm - 5:45 pm
ATL
-
OPO
17h 15m
1 stop
$783Scandinavian Airlines
Fri, Oct 9 - Sat, Oct 24
TAP AIR PORTUGAL Logo
9:00 am - 12:12 am
OPO
-
ATL
20h 12m
2 stops
TAP AIR PORTUGAL Logo
5:15 pm - 10:55 am
ATL
-
OPO
12h 40m
1 stop
$797TAP AIR PORTUGAL
Thu, Sep 17 - Sat, Sep 26
Multiple Airlines Logo
5:40 pm - 1:17 am
OPO
-
ATL
12h 37m
1 stop
Multiple Airlines Logo
6:00 pm - 10:45 am
ATL
-
OPO
11h 45m
1 stop
$822Multiple Airlines
Thu, Nov 19 - Thu, Dec 3
Multiple Airlines Logo
8:20 am - 7:32 pm
OPO
-
ATL
16h 12m
2 stops
Multiple Airlines Logo
12:08 pm - 11:45 am
ATL
-
OPO
18h 37m
2 stops
$844Multiple Airlines
Thu, Sep 17 - Sat, Sep 26
Scandinavian Airlines Logo
5:55 pm - 5:05 pm
OPO
-
ATL
28h 10m
1 stop
Scandinavian Airlines Logo
7:30 pm - 11:00 am
ATL
-
OPO
34h 30m
1 stop
$871Scandinavian Airlines
Fri, Oct 9 - Tue, Oct 20
Multiple Airlines Logo
8:40 pm - 6:08 pm
OPO
-
ATL
26h 28m
2 stops
Multiple Airlines Logo
10:15 pm - 5:15 pm
ATL
-
OPO
14h 00m
1 stop
$873Multiple Airlines
Thu, Nov 19 - Thu, Dec 3
Scandinavian Airlines Logo
11:50 am - 5:05 pm
OPO
-
ATL
34h 15m
1 stop
Scandinavian Airlines Logo
9:00 pm - 11:05 am
ATL
-
OPO
34h 05m
1 stop
$879Scandinavian Airlines
Thu, Oct 15 - Mon, Oct 26
United Airlines Logo
6:00 am - 7:29 pm
OPO
-
ATL
18h 29m
2 stops
United Airlines Logo
6:20 pm - 9:45 am
ATL
-
OPO
10h 25m
1 stop
$882United Airlines
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
6:00 am - 8:31 pm
OPO
-
ATL
19h 31m
2 stops
United Airlines Logo
2:40 pm - 9:45 am
ATL
-
OPO
14h 05m
2 stops
$884United Airlines
Tue, Oct 13 - Fri, Oct 23

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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
$887
Lufthansa
Dec 19
OPO4:10 pmPorto
27h 30m
1 stop
ATL2:40 pmAtlanta Hartsfield-Jackson
Jan 2
ATL4:30 pmAtlanta Hartsfield-Jackson
14h 15m
1 stop
OPO11:45 amPorto
$901
Lufthansa
Dec 19
OPO12:35 pmPorto
34h 02m
2 stops
ATL5:37 pmAtlanta Hartsfield-Jackson
Jan 2
ATL2:45 pmAtlanta Hartsfield-Jackson
17h 05m
2 stops
OPO12:50 pmPorto
$927

Brussels Airlines flights from Porto to Atlanta

Our best Brussels Airlines deals on Porto to Atlanta flight tickets
Brussels Airlines
Oct 12
OPO12:55 pmPorto
29h 50m
2 stops
ATL1:45 pmAtlanta Hartsfield-Jackson
Oct 22
ATL3:55 pmAtlanta Hartsfield-Jackson
19h 05m
2 stops
OPO4:00 pmPorto
$956
Brussels Airlines
Aug 24
OPO4:50 pmPorto
25h 55m
2 stops
ATL1:45 pmAtlanta Hartsfield-Jackson
Sep 7
ATL3:55 pmAtlanta Hartsfield-Jackson
19h 15m
2 stops
OPO4:10 pmPorto
$967

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 July 27, 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

Thu 9/17

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Sat 9/26

7:30 pm-5:05 pm

1 stop16h 35m

$750

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 10/9

5:55 pm-5:05 pm

1 stop28h 10m

Atlanta Hartsfield-Jackson

Sat 10/24

7:30 pm-5:45 pm

1 stop17h 15m

$783

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/17

9:00 am-12:12 am

2 stops20h 12m

Atlanta Hartsfield-Jackson

Sat 9/26

5:15 pm-10:55 am

1 stop12h 40m

$797
Quickest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 11/19

5:40 pm-1:17 am

1 stop12h 37m

Atlanta Hartsfield-Jackson

Thu 12/3

6:00 pm-10:45 am

1 stop11h 45m

$822

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/17

8:20 am-7:32 pm

2 stops16h 12m

Atlanta Hartsfield-Jackson

Sat 9/26

12:08 pm-11:45 am

2 stops18h 37m

$844

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 10/9

5:55 pm-5:05 pm

1 stop28h 10m

Atlanta Hartsfield-Jackson

Tue 10/20

7:30 pm-11:00 am

1 stop34h 30m

$871

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 11/19

8:40 pm-6:08 pm

2 stops26h 28m

Atlanta Hartsfield-Jackson

Thu 12/3

10:15 pm-5:15 pm

1 stop14h 00m

$873

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 10/15

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Mon 10/26

9:00 pm-11:05 am

1 stop34h 05m

$879

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 9/3

6:00 am-7:29 pm

2 stops18h 29m

Atlanta Hartsfield-Jackson

Sun 9/6

6:20 pm-9:45 am

1 stop10h 25m

$882

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 10/13

6:00 am-8:31 pm

2 stops19h 31m

Atlanta Hartsfield-Jackson

Fri 10/23

2:40 pm-9:45 am

2 stops14h 05m

$884

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

18h 29m

Direct flights

None
The fastest flight from Porto to Atlanta takes 18h 29m
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 29m.

  • 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
1,547 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
Cartersville
Norcross
Lawrenceville
Douglasville
Kennesaw
College Park
Conyers
La Grange
Gainesville
Covington
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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