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Cheap flights from Atlanta to Porto from $287

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Porto departing on 7/27. 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 Atlanta to Porto

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:00 pm - 11:05 am
ATL
-
OPO
34h 05m
1 stop
Scandinavian Airlines Logo
12:00 pm - 4:30 pm
OPO
-
ATL
33h 30m
1 stop
$687Scandinavian Airlines
Mon, Nov 2 - Sat, Nov 14
Delta Logo
2:00 pm - 9:05 am
ATL
-
OPO
14h 05m
1 stop
Delta Logo
5:00 am - 8:45 pm
OPO
-
ATL
20h 45m
1 stop
$769Delta
Wed, Nov 18 - Wed, Nov 25
Delta Logo
10:35 am - 9:05 am
ATL
-
OPO
17h 30m
2 stops
Delta Logo
5:00 am - 3:00 pm
OPO
-
ATL
15h 00m
1 stop
$773Delta
Wed, Nov 18 - Thu, Nov 26
Iberia Logo
10:10 pm - 8:00 pm
ATL
-
OPO
16h 50m
2 stops
Iberia Logo
8:40 pm - 5:48 pm
OPO
-
ATL
26h 08m
2 stops
$779Iberia
Mon, Nov 2 - Sat, Nov 14
American Airlines Logo
1:21 pm - 7:40 am
ATL
-
OPO
13h 19m
2 stops
American Airlines Logo
8:20 am - 10:56 pm
OPO
-
ATL
19h 36m
2 stops
$780American Airlines
Wed, Nov 4 - Sun, Nov 8
Delta Logo
9:50 am - 9:05 am
ATL
-
OPO
18h 15m
2 stops
Delta Logo
5:00 am - 6:11 pm
OPO
-
ATL
18h 11m
2 stops
$784Delta
Wed, Nov 18 - Thu, Nov 26
Iberia Logo
10:57 am - 11:45 am
ATL
-
OPO
19h 48m
2 stops
Iberia Logo
8:20 am - 11:33 pm
OPO
-
ATL
20h 13m
2 stops
$786Iberia
Wed, Oct 14 - Wed, Oct 21
United Airlines Logo
12:41 pm - 9:30 am
ATL
-
OPO
15h 49m
1 stop
United Airlines Logo
12:35 pm - 8:04 pm
OPO
-
ATL
12h 29m
1 stop
$787United Airlines
Wed, Nov 18 - Fri, Nov 27
Iberia Logo
10:57 am - 11:45 am
ATL
-
OPO
19h 48m
2 stops
Iberia Logo
8:40 pm - 7:29 pm
OPO
-
ATL
27h 49m
2 stops
$797Iberia
Wed, Oct 14 - Mon, Oct 19
Turkish Airlines Logo
9:50 pm - 3:40 pm
ATL
-
OPO
36h 50m
1 stop
Turkish Airlines Logo
4:40 pm - 7:45 pm
OPO
-
ATL
32h 05m
1 stop
$803Turkish Airlines
Mon, Aug 17 - Wed, Aug 26

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Scandinavian Airlines flights from Atlanta to Porto

Our best Scandinavian Airlines deals on Atlanta to Porto flight tickets
Scandinavian Airlines
Nov 2
ATL8:00 pmAtlanta Hartsfield-Jackson
34h 05m
1 stop
OPO11:05 amPorto
Nov 14
OPO12:00 pmPorto
33h 30m
1 stop
ATL4:30 pmAtlanta Hartsfield-Jackson
$687
Scandinavian Airlines
Aug 21
ATL7:30 pmAtlanta Hartsfield-Jackson
21h 35m
2 stops
OPO10:05 pmPorto
Aug 30
OPO8:20 pmPorto
25h 45m
1 stop
ATL5:05 pmAtlanta Hartsfield-Jackson
$805
Scandinavian Airlines
Nov 23
ATL8:00 pmAtlanta Hartsfield-Jackson
34h 05m
1 stop
OPO11:05 amPorto
Nov 28
OPO12:00 pmPorto
33h 30m
1 stop
ATL4:30 pmAtlanta Hartsfield-Jackson
$850

Iberia flights from Atlanta to Porto

Our best Iberia deals on Atlanta to Porto flight tickets
Iberia
Nov 2
ATL10:10 pmAtlanta Hartsfield-Jackson
16h 50m
2 stops
OPO8:00 pmPorto
Nov 14
OPO8:40 pmPorto
26h 08m
2 stops
ATL5:48 pmAtlanta Hartsfield-Jackson
$779
Iberia
Oct 14
ATL10:57 amAtlanta Hartsfield-Jackson
19h 48m
2 stops
OPO11:45 amPorto
Oct 21
OPO8:20 amPorto
20h 13m
2 stops
ATL11:33 pmAtlanta Hartsfield-Jackson
$786
Iberia
Oct 14
ATL10:57 amAtlanta Hartsfield-Jackson
19h 48m
2 stops
OPO11:45 amPorto
Oct 19
OPO8:40 pmPorto
27h 49m
2 stops
ATL7:29 pmAtlanta Hartsfield-Jackson
$797

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Porto 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 June 9, 2026.
Use the filters below to find and compare flights from Atlanta to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/2

8:00 pm-11:05 am

1 stop34h 05m

Porto

Sat 11/14

12:00 pm-4:30 pm

1 stop33h 30m

$687

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

2:00 pm-9:05 am

1 stop14h 05m

Porto

Wed 11/25

5:00 am-8:45 pm

1 stop20h 45m

$769

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

10:35 am-9:05 am

2 stops17h 30m

Porto

Thu 11/26

5:00 am-3:00 pm

1 stop15h 00m

$773

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/2

10:10 pm-8:00 pm

2 stops16h 50m

Porto

Sat 11/14

8:40 pm-5:48 pm

2 stops26h 08m

$779

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/4

1:21 pm-7:40 am

2 stops13h 19m

Porto

Sun 11/8

8:20 am-10:56 pm

2 stops19h 36m

$780

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

9:50 am-9:05 am

2 stops18h 15m

Porto

Thu 11/26

5:00 am-6:11 pm

2 stops18h 11m

$784

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 10/14

10:57 am-11:45 am

2 stops19h 48m

Porto

Wed 10/21

8:20 am-11:33 pm

2 stops20h 13m

$786
Quickest round-trip

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

12:41 pm-9:30 am

1 stop15h 49m

Porto

Fri 11/27

12:35 pm-8:04 pm

1 stop12h 29m

$787

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 10/14

10:57 am-11:45 am

2 stops19h 48m

Porto

Mon 10/19

8:40 pm-7:29 pm

2 stops27h 49m

$797

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 8/17

9:50 pm-3:40 pm

1 stop36h 50m

Porto

Wed 8/26

4:40 pm-7:45 pm

1 stop32h 05m

$803

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Porto from

How to get the cheapest flight ticket from Atlanta to Porto

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 Atlanta and Porto?

What is the cheapest month to fly to Porto?

The month of March is, on average, the cheapest month to fly to Porto from Atlanta, with most prices found around $581. If you aren’t able to travel during the month of March, then book flights to Porto from Atlanta during January instead. Flights to Porto in January, while not as cheap as those in March, still average around $655.

How far in advance should I book a flight from Atlanta to Porto?

You are more likely to see cheaper flights to Porto from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Atlanta for as low as $788 on momondo.

Can stopping save me money on Atlanta to Porto flights?

You could potentially save up to 23% on your flight if you consider stops on a Atlanta to Porto flight.

When to book flights from Atlanta to Porto

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Porto according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Porto (ATL to OPO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Porto

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from Atlanta to Porto takes 11h 55m
There are no direct flights from Atlanta to Porto. There are no popular flight routes from Atlanta to Porto.
Search flight deals

Frequently asked questions about flying from Atlanta to Porto

  • How far is Atlanta Hartsfield-Jackson to Porto by plane?

    Atlanta Hartsfield-Jackson and Porto are 4052.2 mi apart from one another. 11h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Porto Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Porto Airport are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Porto Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Porto Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Atlanta to Porto?

Best airlines flying from Atlanta to Porto

Compare and see reviews for airlines that fly from Atlanta to Porto with momondo
Airline
Rating
Free Cancellation
Price
Air FrancePriceFrom $464Free CancellationRating
7.4
1,598 reviews
Search Air France flights
KLMPriceFrom $533Free CancellationRating
7.8
1,527 reviews
Search KLM flights
LufthansaPriceFrom $579Free CancellationRating
6.8
8,049 reviews
Search Lufthansa flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
9,794 reviews
Search United Airlines flights
DeltaPriceFrom $604Free CancellationRating
7.9
8,394 reviews
Search Delta flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.4
4,410 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $707Free CancellationRating
6.7
8,031 reviews
Search British Airways flights

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Coimbra
Braga
Aveiro
Matosinhos
Lamego
Chaves
Esposende
Pinhao
Guimarães
Espinho
Arcos de Valdevez
Viseu
Ponte de Lima
Curia
Mesao Frio
Mira
Baiao

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Porto?

It is quick and easy to find Atlanta to Porto flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto that suits you.

Can I find flights from Atlanta to Porto with flexible booking policies on momondo?

Flights from Atlanta to Porto with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Atlanta to Porto?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Porto from Atlanta.

I’m not ready to book a flight from Atlanta to Porto right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Porto, momondo offers a useful price alert feature which will track prices for flights to Porto from Atlanta and alert you when they change.

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