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Cheap flights from Atlanta to Porto from R5 476

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Atlanta to Porto

Cheap return flights

Enter your travel dates to find the best prices.
KLM Logo
17:40 - 10:35ATL  Atlanta Hartsfield-Jackson-OPO Porto
11h 55m1 stop Paris Charles de Gaulle
KLM Logo
11:15 - 20:40OPO  Porto-ATL Atlanta Hartsfield-Jackson
14h 25m1 stop Amsterdam Schiphol
R11 708KLM
Sun, Feb 28 - Fri, Mar 5
Delta Logo
17:40 - 10:35ATL  Atlanta Hartsfield-Jackson-OPO Porto
11h 55m1 stop Paris Charles de Gaulle
Delta Logo
5:00 - 20:40OPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 40m1 stop Amsterdam Schiphol
R12 004Delta
Tue, Dec 8 - Tue, Dec 15
Delta Logo
15:45 - 10:35ATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 50m1 stop Paris Charles de Gaulle
Delta Logo
5:00 - 15:10OPO  Porto-ATL Atlanta Hartsfield-Jackson
15h 10m1 stop Amsterdam Schiphol
R12 086Delta
Sun, Jan 17 - Wed, Jan 27
Multiple Airlines Logo
15:40 - 10:35ATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 55m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
5:55 - 15:00OPO  Porto-ATL Atlanta Hartsfield-Jackson
14h 05m1 stop Paris Charles de Gaulle
R12 119Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Delta Logo
22:50 - 10:30ATL  Atlanta Hartsfield-Jackson-OPO Porto
30h 40m1 stop Amsterdam Schiphol
Delta Logo
11:15 - 15:10OPO  Porto-ATL Atlanta Hartsfield-Jackson
32h 55m1 stop Amsterdam Schiphol
R12 136Delta
Mon, Dec 28 - Tue, Jan 12
United Airlines Logo
10:45 - 9:30ATL  Atlanta Hartsfield-Jackson-OPO Porto
17h 45m1 stop Newark
United Airlines Logo
6:00 - 22:00OPO  Porto-ATL Atlanta Hartsfield-Jackson
21h 00m2 stops Frankfurt am Main Newark
R12 152United Airlines
Tue, Dec 8 - Tue, Dec 15
Delta Logo
15:45 - 10:35ATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 50m2 stops Raleigh-Durham Paris Charles de Gaulle
Delta Logo
5:00 - 20:40OPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 40m1 stop Amsterdam Schiphol
R12 169Delta
Sun, Jan 17 - Wed, Mar 10
United Airlines Logo
14:39 - 9:30ATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 51m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 - 22:00OPO  Porto-ATL Atlanta Hartsfield-Jackson
21h 00m2 stops Frankfurt am Main Newark
R12 218United Airlines
Tue, Dec 8 - Tue, Dec 15
United Airlines Logo
14:39 - 9:30ATL  Atlanta Hartsfield-Jackson-OPO Porto
13h 51m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 - 21:22OPO  Porto-ATL Atlanta Hartsfield-Jackson
20h 22m2 stops Frankfurt am Main Chicago O'Hare Intl
R12 234United Airlines
Tue, Dec 8 - Tue, Dec 15
Delta Logo
21:55 - 22:00ATL  Atlanta Hartsfield-Jackson-OPO Porto
19h 05m1 stop Paris Charles de Gaulle
Delta Logo
5:00 - 19:51OPO  Porto-ATL Atlanta Hartsfield-Jackson
19h 51m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County
R12 251Delta
Mon, Jan 4 - Wed, Jan 13

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United Airlines flights from Atlanta to Porto

Our best United Airlines deals on Atlanta to Porto flight tickets
United Airlines
Dec 8
ATL10:45Atlanta Hartsfield-Jackson
17h 45m
1 stop
OPO9:30Porto
Dec 15
OPO6:00Porto
21h 00m
2 stops
ATL22:00Atlanta Hartsfield-Jackson
R12 152
United Airlines
Dec 8
ATL14:39Atlanta Hartsfield-Jackson
13h 51m
2 stops
OPO9:30Porto
Dec 15
OPO6:00Porto
21h 00m
2 stops
ATL22:00Atlanta Hartsfield-Jackson
R12 218
United Airlines
Dec 8
ATL14:39Atlanta Hartsfield-Jackson
13h 51m
2 stops
OPO9:30Porto
Dec 15
OPO6:00Porto
20h 22m
2 stops
ATL21:22Atlanta Hartsfield-Jackson
R12 234

Delta flights from Atlanta to Porto

Our best Delta deals on Atlanta to Porto flight tickets
Delta
Dec 8
ATL17:40Atlanta Hartsfield-Jackson
11h 55m
1 stop
OPO10:35Porto
Dec 15
OPO5:00Porto
20h 40m
1 stop
ATL20:40Atlanta Hartsfield-Jackson
R12 004
Delta
Jan 17
ATL15:45Atlanta Hartsfield-Jackson
13h 50m
1 stop
OPO10:35Porto
Jan 27
OPO5:00Porto
15h 10m
1 stop
ATL15:10Atlanta Hartsfield-Jackson
R12 086
Delta
Dec 28
ATL22:50Atlanta Hartsfield-Jackson
30h 40m
1 stop
OPO10:30Porto
Jan 12
OPO11:15Porto
32h 55m
1 stop
ATL15:10Atlanta Hartsfield-Jackson
R12 136

momondo Fare Finder

 
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 return flight
Fastest return journey

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 28/2

17:40-10:35

1 stop11h 55m

Porto

Fri 5/3

11:15-20:40

1 stop14h 25m

R11 708

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 8/12

17:40-10:35

1 stop11h 55m

Porto

Tue 15/12

5:00-20:40

1 stop20h 40m

R12 004

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 17/1

15:45-10:35

1 stop13h 50m

Porto

Wed 27/1

5:00-15:10

1 stop15h 10m

R12 086

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 8/12

15:40-10:35

1 stop13h 55m

Porto

Tue 15/12

5:55-15:00

1 stop14h 05m

R12 119

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 28/12

22:50-10:30

1 stop30h 40m

Porto

Tue 12/1

11:15-15:10

1 stop32h 55m

R12 136

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 8/12

10:45-9:30

1 stop17h 45m

Porto

Tue 15/12

6:00-22:00

2 stops21h 00m

R12 152

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 17/1

15:45-10:35

2 stops13h 50m

Porto

Wed 10/3

5:00-20:40

1 stop20h 40m

R12 169

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 8/12

14:39-9:30

2 stops13h 51m

Porto

Tue 15/12

6:00-22:00

2 stops21h 00m

R12 218

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 8/12

14:39-9:30

2 stops13h 51m

Porto

Tue 15/12

6:00-21:22

2 stops20h 22m

R12 234

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/1

21:55-22:00

1 stop19h 05m

Porto

Wed 13/1

5:00-19:51

2 stops19h 51m

R12 251

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Prices are currently typical for flights on this route.

Typical prices usually range from R11 445 to R14 586.
The lowest price recently found on this route was R11 708.

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 R10 393. The month of January is another great option to travel to Porto, with average flight prices from Atlanta averaging around R10 491.

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 R14 498 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Atlanta for as low as R13 353 on momondo.

How have Atlanta to Porto flight prices changed over time?

As of November 2026, prices for Atlanta to Porto flights are approximately 19% cheaper when compared to flights at the same time last year.

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 return 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

Best price found

R5 476

Direct flights

None
The best one-way flight to Porto from Atlanta in the past 72 hours is R5 476. The best return flight deal from Atlanta to Porto found on momondo in the last 72 hours is R11 708.
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?

    There are 6521,3 km between Atlanta Hartsfield-Jackson and Porto.

  • 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 were last updated today.

  • 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 stopovers. 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 travel and health documents required for your trip to Porto Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Porto Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Espinho
Braga
Vila Nova de Gaia
Coimbra
Viseu

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Atlanta to Porto. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Porto from Atlanta with this policy.

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

Once you have performed a search for Atlanta to Porto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Atlanta to Porto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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