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Cheap flights from Porto to Atlanta from $420

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 9/17. 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
5:50 pm - 5:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
28h 55m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 11:05 amATL  Atlanta Hartsfield-Jackson-OPO Porto
34h 05m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Thu, Nov 5 - Mon, Feb 15
Scandinavian Airlines Logo
5:50 pm - 5:45 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
28h 55m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 4:55 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
15h 55m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Thu, Nov 5 - Thu, Feb 11
Scandinavian Airlines Logo
12:00 pm - 4:30 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
33h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 11:05 amATL  Atlanta Hartsfield-Jackson-OPO Porto
34h 05m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Sat, Nov 7 - Mon, Feb 15
Scandinavian Airlines Logo
5:35 pm - 6:00 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
29h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 11:05 amATL  Atlanta Hartsfield-Jackson-OPO Porto
34h 05m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Sun, Nov 8 - Mon, Feb 15
Scandinavian Airlines Logo
5:35 pm - 6:00 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
29h 25m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 4:55 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
15h 55m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Sun, Nov 8 - Thu, Feb 11
Scandinavian Airlines Logo
12:00 pm - 4:30 pmOPO  Porto-ATL Atlanta Hartsfield-Jackson
33h 30m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
8:00 pm - 4:55 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
15h 55m1 stop Kastrup Copenhagen
$750Scandinavian Airlines
Sat, Nov 7 - Thu, Feb 11
Multiple Airlines Logo
6:05 pm - 1:01 amOPO  Porto-ATL Atlanta Hartsfield-Jackson
11h 56m1 stop Newark
Multiple Airlines Logo
8:11 am - 8:10 amATL  Atlanta Hartsfield-Jackson-OPO Porto
18h 59m2 stops Newark Lisbon Humberto Delgado
$794Multiple Airlines
Thu, Sep 24 - Wed, Oct 7
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 - 5:05 pmATL  Atlanta Hartsfield-Jackson-OPO Porto
16h 35m1 stop Kastrup Copenhagen
$806Scandinavian Airlines
Thu, Sep 10 - Thu, Sep 17
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
$902KLM
Tue, Sep 15 - Wed, Sep 23
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
Tue, Sep 15 - Wed, Sep 23

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TAP AIR PORTUGAL flights from Porto to Atlanta

Our best TAP AIR PORTUGAL deals on Porto to Atlanta flight tickets
TAP AIR PORTUGAL
Sep 15
OPO6:00 pmPorto
34h 49m
2 stops
ATL11:49 pmAtlanta Hartsfield-Jackson
Sep 23
ATL5:15 pmAtlanta Hartsfield-Jackson
12h 30m
1 stop
OPO10:45 amPorto
$898
TAP AIR PORTUGAL
Sep 15
OPO10:30 pmPorto
30h 19m
2 stops
ATL11:49 pmAtlanta Hartsfield-Jackson
Sep 23
ATL5:15 pmAtlanta Hartsfield-Jackson
12h 30m
1 stop
OPO10:45 amPorto
$901

Iberia flights from Porto to Atlanta

Our best Iberia deals on Porto to Atlanta flight tickets
Iberia
Nov 6
OPO8:20 amPorto
19h 05m
2 stops
ATL10:25 pmAtlanta Hartsfield-Jackson
Feb 13
ATL10:15 pmAtlanta Hartsfield-Jackson
16h 45m
2 stops
OPO8:00 pmPorto
$844
Iberia
Sep 15
OPO12:25 pmPorto
16h 32m
2 stops
ATL11:57 pmAtlanta Hartsfield-Jackson
Sep 23
ATL1:09 pmAtlanta Hartsfield-Jackson
17h 36m
2 stops
OPO11:45 amPorto
$862
Iberia
Sep 15
OPO12:25 pmPorto
16h 32m
2 stops
ATL11:57 pmAtlanta Hartsfield-Jackson
Sep 23
ATL1:09 pmAtlanta Hartsfield-Jackson
17h 36m
2 stops
OPO11:45 amPorto
$865

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 7, 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 11/5

5:50 pm-5:45 pm

1 stop28h 55m

Atlanta Hartsfield-Jackson

Mon 2/15

8:00 pm-11:05 am

1 stop34h 05m

$750

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 11/5

5:50 pm-5:45 pm

1 stop28h 55m

Atlanta Hartsfield-Jackson

Thu 2/11

8:00 pm-4:55 pm

1 stop15h 55m

$750

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Sat 11/7

12:00 pm-4:30 pm

1 stop33h 30m

Atlanta Hartsfield-Jackson

Mon 2/15

8:00 pm-11:05 am

1 stop34h 05m

$750

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Sun 11/8

5:35 pm-6:00 pm

1 stop29h 25m

Atlanta Hartsfield-Jackson

Mon 2/15

8:00 pm-11:05 am

1 stop34h 05m

$750

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Sun 11/8

5:35 pm-6:00 pm

1 stop29h 25m

Atlanta Hartsfield-Jackson

Thu 2/11

8:00 pm-4:55 pm

1 stop15h 55m

$750

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Sat 11/7

12:00 pm-4:30 pm

1 stop33h 30m

Atlanta Hartsfield-Jackson

Thu 2/11

8:00 pm-4:55 pm

1 stop15h 55m

$750
Quickest round-trip

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/24

6:05 pm-1:01 am

1 stop11h 56m

Atlanta Hartsfield-Jackson

Wed 10/7

8:11 am-8:10 am

2 stops18h 59m

$794

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Thu 9/10

11:50 am-5:05 pm

1 stop34h 15m

Atlanta Hartsfield-Jackson

Thu 9/17

7:30 pm-5:05 pm

1 stop16h 35m

$806

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Tue 9/15

5:00 am-5:00 pm

1 stop17h 00m

Atlanta Hartsfield-Jackson

Wed 9/23

8:05 pm-3:25 pm

1 stop14h 20m

$902

PortoAtlanta

OPO Porto - ATL Atlanta Hartsfield-Jackson

OPOATL

Porto

Tue 9/15

5:00 am-5:00 pm

1 stop17h 00m

Atlanta Hartsfield-Jackson

Wed 9/23

8:05 pm-3:25 pm

1 stop14h 20m

$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

16h 11m

Direct flights

None
The fastest flight from Porto to Atlanta takes 16h 11m
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 16h 11m.

  • 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
La Grange
Gainesville
Newnan
Covington
Auburn
Dahlonega

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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