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Cheap flights from Porto to Atlanta from $433

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 1/12. 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
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.
Multiple Airlines Logo
6:35 am - 9:07 am
OPO
-
ATL
31h 32m3 stops
Multiple Airlines Logo
4:55 pm - 11:40 am
ATL
-
OPO
13h 45m1 stop
$645Multiple Airlines
jue., feb. 12 - mié., feb. 25
Multiple Airlines Logo
6:35 pm - 8:38 am
OPO
-
ATL
19h 03m1 stop
Multiple Airlines Logo
10:45 pm - 10:00 pm
ATL
-
OPO
42h 15m2 stops
$656Multiple Airlines
jue., feb. 19 - jue., feb. 26
Multiple Airlines Logo
6:35 pm - 7:42 am
OPO
-
ATL
18h 07m1 stop
Multiple Airlines Logo
6:00 am - 11:50 am
ATL
-
OPO
24h 50m1 stop
$667Multiple Airlines
jue., feb. 19 - jue., feb. 26
Multiple Airlines Logo
11:35 am - 5:25 pm
OPO
-
ATL
34h 50m2 stops
Multiple Airlines Logo
8:00 pm - 7:20 pm
ATL
-
OPO
18h 20m2 stops
$669Multiple Airlines
jue., feb. 19 - jue., feb. 26
Multiple Airlines Logo
8:40 pm - 10:01 pm
OPO
-
ATL
30h 21m2 stops
Multiple Airlines Logo
11:10 pm - 4:40 pm
ATL
-
OPO
13h 30m1 stop
$686Multiple Airlines
dom., mar. 1 - dom., mar. 15
Multiple Airlines Logo
4:40 pm - 7:18 pm
OPO
-
ATL
31h 38m2 stops
Multiple Airlines Logo
10:10 pm - 7:15 pm
ATL
-
OPO
16h 05m1 stop
$687Multiple Airlines
dom., feb. 15 - sáb., feb. 28
Multiple Airlines Logo
8:20 am - 11:27 pm
OPO
-
ATL
20h 07m2 stops
Multiple Airlines Logo
1:28 pm - 7:40 am
ATL
-
OPO
14h 12m2 stops
$692Multiple Airlines
dom., mar. 1 - dom., mar. 15
American Airlines Logo
8:20 am - 11:58 pm
OPO
-
ATL
20h 38m2 stops
American Airlines Logo
10:24 am - 7:40 am
ATL
-
OPO
16h 16m2 stops
$693American Airlines
vie., ene. 23 - lun., ene. 26
American Airlines Logo
8:20 am - 11:58 pm
OPO
-
ATL
20h 38m2 stops
American Airlines Logo
11:12 am - 4:00 pm
ATL
-
OPO
23h 48m2 stops
$694American Airlines
vie., ene. 23 - lun., ene. 26
Iberia Logo
8:40 pm - 9:22 pm
OPO
-
ATL
29h 42m2 stops
Iberia Logo
6:34 am - 7:40 am
ATL
-
OPO
21h 06m2 stops
$703Iberia
dom., mar. 1 - dom., mar. 15

Iberia flights from Porto to Atlanta

Our best Iberia deals on Porto to Atlanta flight tickets
Iberia
Mar 1
OPO8:40 pmPorto
29h 42m
2 stops
ATL9:22 pmAtlanta Hartsfield-Jackson
Mar 15
ATL6:34 amAtlanta Hartsfield-Jackson
21h 06m
2 stops
OPO7:40 amPorto
$703
Find similar
Iberia
Mar 1
OPO8:40 pmPorto
29h 42m
2 stops
ATL9:22 pmAtlanta Hartsfield-Jackson
Mar 15
ATL10:15 amAtlanta Hartsfield-Jackson
21h 30m
2 stops
OPO11:45 amPorto
$721
Find similar

British Airways flights from Porto to Atlanta

Our best British Airways deals on Porto to Atlanta flight tickets
British Airways
Mar 1
OPO8:05 pmPorto
29h 05m
1 stop
ATL8:10 pmAtlanta Hartsfield-Jackson
Mar 15
ATL11:10 pmAtlanta Hartsfield-Jackson
13h 30m
1 stop
OPO4:40 pmPorto
$705
Find similar
British Airways
Feb 15
OPO8:05 pmPorto
29h 05m
1 stop
ATL8:10 pmAtlanta Hartsfield-Jackson
Feb 28
ATL10:10 pmAtlanta Hartsfield-Jackson
16h 05m
1 stop
OPO7:15 pmPorto
$706
Find similar
British Airways
Jan 31
OPO8:20 amPorto
20h 38m
2 stops
ATL11:58 pmAtlanta Hartsfield-Jackson
Feb 13
ATL10:10 pmAtlanta Hartsfield-Jackson
15h 50m
1 stop
OPO7:00 pmPorto
$723
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 enero 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

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 2/12

6:35 am-9:07 am

3 stops31h 32m

Atlanta Hartsfield-Jackson

mié. 2/25

4:55 pm-11:40 am

1 stop13h 45m

$645

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 2/19

6:35 pm-8:38 am

1 stop19h 03m

Atlanta Hartsfield-Jackson

jue. 2/26

10:45 pm-10:00 pm

2 stops42h 15m

$656

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 2/19

6:35 pm-7:42 am

1 stop18h 07m

Atlanta Hartsfield-Jackson

jue. 2/26

6:00 am-11:50 am

1 stop24h 50m

$667

PortoAtlanta

OPO - ATL

OPOATL

Porto

jue. 2/19

11:35 am-5:25 pm

2 stops34h 50m

Atlanta Hartsfield-Jackson

jue. 2/26

8:00 pm-7:20 pm

2 stops18h 20m

$669

PortoAtlanta

OPO - ATL

OPOATL

Porto

dom. 3/1

8:40 pm-10:01 pm

2 stops30h 21m

Atlanta Hartsfield-Jackson

dom. 3/15

11:10 pm-4:40 pm

1 stop13h 30m

$686

PortoAtlanta

OPO - ATL

OPOATL

Porto

dom. 2/15

4:40 pm-7:18 pm

2 stops31h 38m

Atlanta Hartsfield-Jackson

sáb. 2/28

10:10 pm-7:15 pm

1 stop16h 05m

$687

PortoAtlanta

OPO - ATL

OPOATL

Porto

dom. 3/1

8:20 am-11:27 pm

2 stops20h 07m

Atlanta Hartsfield-Jackson

dom. 3/15

1:28 pm-7:40 am

2 stops14h 12m

$692

PortoAtlanta

OPO - ATL

OPOATL

Porto

vie. 1/23

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

lun. 1/26

10:24 am-7:40 am

2 stops16h 16m

$693

PortoAtlanta

OPO - ATL

OPOATL

Porto

vie. 1/23

8:20 am-11:58 pm

2 stops20h 38m

Atlanta Hartsfield-Jackson

lun. 1/26

11:12 am-4:00 pm

2 stops23h 48m

$694

PortoAtlanta

OPO - ATL

OPOATL

Porto

dom. 3/1

8:40 pm-9:22 pm

2 stops29h 42m

Atlanta Hartsfield-Jackson

dom. 3/15

6:34 am-7:40 am

2 stops21h 06m

$703

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $714. If you aren’t able to travel to Atlanta during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $800.

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

31h 00m

Direct flights

None
The fastest flight from Porto to Atlanta takes 31h 00m
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 31h 00m.

  • 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
1,434 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
Blue Ridge
Warner Robins
Lawrenceville
Stone Mountain
Dahlonega
Norcross
Cartersville
Covington
Auburn
Gadsden
Conyers
Kennesaw
Newnan
Douglasville
La Grange
Gainesville

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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