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Cheap flights from Porto to Atlanta from $466

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 4/11. 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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Find the cheapest flights from Porto to Atlanta

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:35 am - 7:44 amOPO-ATL
25h 09m2 stops
Multiple Airlines Logo
5:57 am - 12:10 pmATL-OPO
25h 13m3 stops
$749Multiple Airlines
Find Deal
Sun, Dec 14 - Tue, Dec 30
Lufthansa Logo
6:00 am - 7:59 pmOPO-ATL
18h 59m2 stops
Lufthansa Logo
4:55 pm - 11:40 amATL-OPO
13h 45m1 stop
$764Lufthansa
Find Deal
Thu, Jan 15 - Fri, Jan 30
Lufthansa Logo
6:00 am - 7:51 pmOPO-ATL
18h 51m2 stops
Lufthansa Logo
2:40 pm - 11:40 amATL-OPO
16h 00m2 stops
$766Lufthansa
Find Deal
Sun, Dec 14 - Tue, Dec 30
Air Canada Logo
6:00 am - 9:43 pmOPO-ATL
20h 43m2 stops
Air Canada Logo
9:10 am - 6:35 pmATL-OPO
28h 25m2 stops
$769Air Canada
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Wed, Dec 17 - Wed, Dec 24
Multiple Airlines Logo
6:00 am - 9:43 pmOPO-ATL
44h 43m2 stops
Multiple Airlines Logo
6:10 am - 3:25 pmATL-OPO
28h 15m2 stops
$773Multiple Airlines
Find Deal
Wed, Dec 17 - Wed, Dec 24
United Airlines Logo
12:30 pm - 2:30 pmOPO-ATL
31h 00m1 stop
United Airlines Logo
4:55 pm - 11:40 amATL-OPO
13h 45m1 stop
$780United Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 29
Lufthansa Logo
4:15 pm - 7:51 pmOPO-ATL
32h 36m2 stops
Lufthansa Logo
4:55 pm - 11:40 amATL-OPO
13h 45m1 stop
$798Lufthansa
Find Deal
Sat, Dec 13 - Mon, Dec 29
Lufthansa Logo
4:15 pm - 2:30 pmOPO-ATL
27h 15m1 stop
Lufthansa Logo
4:55 pm - 3:25 pmATL-OPO
17h 30m1 stop
$801Lufthansa
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Wed, Dec 17 - Wed, Dec 24
United Airlines Logo
12:35 pm - 10:19 amOPO-ATL
25h 44m2 stops
United Airlines Logo
4:41 pm - 9:45 amATL-OPO
12h 04m1 stop
$833United Airlines
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Fri, Mar 27 - Tue, Mar 31
American Airlines Logo
8:20 am - 9:36 pmOPO-ATL
18h 16m2 stops
American Airlines Logo
8:00 am - 11:45 amATL-OPO
22h 45m2 stops
$846American Airlines
Find Deal
Sat, Jan 24 - Mon, Jan 26

United Airlines flights from Porto to Atlanta

Our best United Airlines deals on Porto to Atlanta flight tickets
United Airlines
Dec 13
OPO12:30 pmPorto
31h 00m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
Dec 29
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$780
Find similar
United Airlines
Mar 27
OPO12:35 pmPorto
25h 38m
2 stops
ATL10:13 amAtlanta Hartsfield-Jackson
Mar 31
ATL9:39 amAtlanta Hartsfield-Jackson
19h 06m
2 stops
OPO9:45 amPorto
$833
Find similar
United Airlines
Dec 13
OPO6:55 amPorto
16h 37m
2 stops
ATL6:32 pmAtlanta Hartsfield-Jackson
Dec 29
ATL2:40 pmAtlanta Hartsfield-Jackson
15h 25m
3 stops
OPO11:05 amPorto
$1,574
Find similar

Lufthansa flights from Porto to Atlanta

Our best Lufthansa deals on Porto to Atlanta flight tickets
Lufthansa
Jan 15
OPO6:00 amPorto
18h 59m
2 stops
ATL7:59 pmAtlanta Hartsfield-Jackson
Jan 30
ATL1:15 pmAtlanta Hartsfield-Jackson
17h 25m
2 stops
OPO11:40 amPorto
$764
Find similar
Lufthansa
Dec 14
OPO6:00 amPorto
18h 51m
2 stops
ATL7:51 pmAtlanta Hartsfield-Jackson
Dec 30
ATL2:40 pmAtlanta Hartsfield-Jackson
16h 00m
2 stops
OPO11:40 amPorto
$766
Find similar
Lufthansa
Dec 13
OPO4:15 pmPorto
32h 36m
2 stops
ATL7:51 pmAtlanta Hartsfield-Jackson
Dec 29
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 45m
1 stop
OPO11:40 amPorto
$798
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 November 20, 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

Sun 12/14

11:35 am-7:44 am

2 stops25h 09m

Atlanta Hartsfield-Jackson

Tue 12/30

5:57 am-12:10 pm

3 stops25h 13m

$749

PortoAtlanta

OPO - ATL

OPOATL

Porto

Thu 1/15

6:00 am-7:59 pm

2 stops18h 59m

Atlanta Hartsfield-Jackson

Fri 1/30

4:55 pm-11:40 am

1 stop13h 45m

$764

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sun 12/14

6:00 am-7:51 pm

2 stops18h 51m

Atlanta Hartsfield-Jackson

Tue 12/30

2:40 pm-11:40 am

2 stops16h 00m

$766

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 12/17

6:00 am-9:43 pm

2 stops20h 43m

Atlanta Hartsfield-Jackson

Wed 12/24

9:10 am-6:35 pm

2 stops28h 25m

$769

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 12/17

6:00 am-9:43 pm

2 stops44h 43m

Atlanta Hartsfield-Jackson

Wed 12/24

6:10 am-3:25 pm

2 stops28h 15m

$773

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 12/13

12:30 pm-2:30 pm

1 stop31h 00m

Atlanta Hartsfield-Jackson

Mon 12/29

4:55 pm-11:40 am

1 stop13h 45m

$780

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 12/13

4:15 pm-7:51 pm

2 stops32h 36m

Atlanta Hartsfield-Jackson

Mon 12/29

4:55 pm-11:40 am

1 stop13h 45m

$798

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 12/17

4:15 pm-2:30 pm

1 stop27h 15m

Atlanta Hartsfield-Jackson

Wed 12/24

4:55 pm-3:25 pm

1 stop17h 30m

$801

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 3/27

12:35 pm-10:19 am

2 stops25h 44m

Atlanta Hartsfield-Jackson

Tue 3/31

4:41 pm-9:45 am

1 stop12h 04m

$833

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 1/24

8:20 am-9:36 pm

2 stops18h 16m

Atlanta Hartsfield-Jackson

Mon 1/26

8:00 am-11:45 am

2 stops22h 45m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Direct flights

None
There are no direct flights from Porto to Atlanta. There are no popular flight routes from Porto to Atlanta.
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  • 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
1,414 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
Dahlonega
Lawrenceville
Stone Mountain
Norcross
Covington
Cartersville
Auburn
Gadsden
Newnan
Conyers
La Grange
Kennesaw
Gainesville
Lithonia

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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