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Cheap flights from Atlanta to Portugal from $224

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 Portugal departing on 2/7. 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 Atlanta to Portugal

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:00 pm - 1:45 pmATL-FNC
36h 45m2 stops
Scandinavian Airlines Logo
2:35 pm - 5:25 pmFNC-ATL
55h 50m2 stops
$524Scandinavian Airlines
Find Deal
Thu, Jan 22 - Sat, Jan 31
Multiple Airlines Logo
3:50 pm - 10:30 amATL-OPO
13h 40m1 stop
Multiple Airlines Logo
4:10 pm - 1:35 pmOPO-ATL
26h 25m1 stop
$526Multiple Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
Delta Logo
10:30 am - 10:30 amATL-OPO
19h 00m2 stops
Delta Logo
6:30 am - 4:55 pmOPO-ATL
15h 25m1 stop
$527Delta
Find Deal
Mon, Nov 24 - Mon, Dec 8
Delta Logo
3:23 pm - 10:30 amATL-OPO
14h 07m2 stops
Delta Logo
6:30 am - 4:55 pmOPO-ATL
15h 25m1 stop
$531Delta
Find Deal
Mon, Nov 24 - Mon, Dec 8
KLM Logo
10:45 pm - 6:55 pmATL-FAO
15h 10m1 stop
KLM Logo
6:50 pm - 2:45 pmFAO-ATL
24h 55m1 stop
$531KLM
Find Deal
Mon, Nov 24 - Sun, Dec 7
KLM Logo
3:50 pm - 10:30 amATL-OPO
13h 40m1 stop
KLM Logo
6:00 am - 4:55 pmOPO-ATL
15h 55m1 stop
$532KLM
Find Deal
Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
10:10 am - 9:30 amATL-OPO
18h 20m2 stops
United Airlines Logo
12:30 pm - 5:28 pmOPO-ATL
33h 58m2 stops
$543United Airlines
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Wed, Nov 26 - Wed, Dec 3
United Airlines Logo
2:39 pm - 8:10 amATL-LIS
12h 31m2 stops
United Airlines Logo
5:05 am - 2:20 pmLIS-ATL
14h 15m1 stop
$550United Airlines
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Wed, Feb 18 - Wed, Apr 15
British Airways Logo
10:10 pm - 10:35 amATL-FAO
31h 25m1 stop
British Airways Logo
6:35 pm - 11:58 pmFAO-ATL
34h 23m2 stops
$739British Airways
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Mon, Nov 24 - Sun, Dec 7
British Airways Logo
3:00 pm - 5:15 pmATL-FAO
21h 15m2 stops
British Airways Logo
6:35 pm - 8:10 pmFAO-ATL
30h 35m1 stop
$811British Airways
Find Deal
Sun, Jan 11 - Sun, Jan 25

Scandinavian Airlines flights from Atlanta to Portugal

Our best Scandinavian Airlines deals on Atlanta to Portugal flight tickets
Scandinavian Airlines
Jan 22
ATL8:00 pmAtlanta Hartsfield-Jackson
36h 45m
2 stops
FNC1:45 pmFunchal Madeira
Jan 31
FNC2:35 pmFunchal Madeira
55h 50m
2 stops
ATL5:25 pmAtlanta Hartsfield-Jackson
$524
Find similar
Scandinavian Airlines
Jan 22
ATL8:00 pmAtlanta Hartsfield-Jackson
14h 50m
1 stop
LIS3:50 pmLisbon Humberto Delgado
Jan 30
LIS4:40 pmLisbon Humberto Delgado
29h 45m
1 stop
ATL5:25 pmAtlanta Hartsfield-Jackson
$549
Find similar
Scandinavian Airlines
Feb 7
ATL8:00 pmAtlanta Hartsfield-Jackson
15h 05m
1 stop
LIS4:05 pmLisbon Humberto Delgado
Feb 12
LIS1:00 pmLisbon Humberto Delgado
33h 25m
2 stops
ATL5:25 pmAtlanta Hartsfield-Jackson
$572
Find similar

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets
United Airlines
Nov 26
ATL10:10 amAtlanta Hartsfield-Jackson
18h 20m
2 stops
OPO9:30 amPorto
Dec 3
OPO12:30 pmPorto
33h 58m
2 stops
ATL5:28 pmAtlanta Hartsfield-Jackson
$543
Find similar
United Airlines
Feb 18
ATL2:39 pmAtlanta Hartsfield-Jackson
12h 31m
2 stops
LIS8:10 amLisbon Humberto Delgado
Apr 15
LIS5:05 amLisbon Humberto Delgado
14h 15m
1 stop
ATL2:20 pmAtlanta Hartsfield-Jackson
$550
Find similar
United Airlines
Nov 27
ATL12:55 pmAtlanta Hartsfield-Jackson
15h 25m
1 stop
LIS9:20 amLisbon Humberto Delgado
Dec 4
LIS10:55 amLisbon Humberto Delgado
39h 23m
3 stops
ATL9:18 pmAtlanta Hartsfield-Jackson
$553
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Portugal 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 October 27, 2025.
Use the filters below to find and compare flights from Atlanta to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Thu 1/22

8:00 pm-1:45 pm

2 stops36h 45m

Funchal Madeira

Sat 1/31

2:35 pm-5:25 pm

2 stops55h 50m

$524

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 11/25

3:50 pm-10:30 am

1 stop13h 40m

Porto

Wed 12/3

4:10 pm-1:35 pm

1 stop26h 25m

$526

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/24

10:30 am-10:30 am

2 stops19h 00m

Porto

Mon 12/8

6:30 am-4:55 pm

1 stop15h 25m

$527

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/24

3:23 pm-10:30 am

2 stops14h 07m

Porto

Mon 12/8

6:30 am-4:55 pm

1 stop15h 25m

$531

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Mon 11/24

10:45 pm-6:55 pm

1 stop15h 10m

Faro

Sun 12/7

6:50 pm-2:45 pm

1 stop24h 55m

$531

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/26

3:50 pm-10:30 am

1 stop13h 40m

Porto

Wed 12/3

6:00 am-4:55 pm

1 stop15h 55m

$532

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/26

10:10 am-9:30 am

2 stops18h 20m

Porto

Wed 12/3

12:30 pm-5:28 pm

2 stops33h 58m

$543

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 2/18

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Wed 4/15

5:05 am-2:20 pm

1 stop14h 15m

$550

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Mon 11/24

10:10 pm-10:35 am

1 stop31h 25m

Faro

Sun 12/7

6:35 pm-11:58 pm

2 stops34h 23m

$739

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 1/11

3:00 pm-5:15 pm

2 stops21h 15m

Faro

Sun 1/25

6:35 pm-8:10 pm

1 stop30h 35m

$811

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 Portugal from

How to get the cheapest flight ticket from Atlanta to Portugal

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 Portugal?

The cheapest month to fly to Portugal from Atlanta is in February. Flight prices, which tend to average around $684, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Atlanta during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $687.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Atlanta. The lowest ticket price found for a Sunday departure recently was $924. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,062.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Atlanta to Portugal during this time can be as low as $955. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,022 per ticket.

How far in advance should I book a flight to Portugal?

You are more likely to see cheaper flights to Portugal from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around $908 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Atlanta for as low as $834 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 30% on your flight if you consider stops on a Atlanta to Portugal flight.

Cheap Atlanta to Portugal flight deals and tips

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

Direct flights

None
There are no direct flights from Atlanta to Portugal. There are no popular flight routes from Atlanta to Portugal.
Search flight deals

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

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

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

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

    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 Portugal.

  • What documentation or ID do you need to fly to Portugal?

    The travel and health documents required for your trip to Portugal 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 license, and a passport valid for six-months after you plan to arrive at Portugal. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Atlanta to Portugal

Compare and see reviews for airlines that fly from Atlanta to Portugal with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $484Free CancellationRating
7.4
1,543 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $532Free CancellationRating
7.7
1,406 reviews
Search KLM flights
LufthansaPriceFrom $568Free CancellationRating
6.8
7,532 reviews
Search Lufthansa flights
British AirwaysPriceFrom $570Free CancellationRating
6.7
7,476 reviews
Search British Airways flights
American AirlinesPriceFrom $573Free CancellationRating
7.2
11,031 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $579Free CancellationRating
7.5
670 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $592Free CancellationRating
7.4
8,999 reviews
Search United Airlines flights
DeltaPriceFrom $611Free CancellationRating
7.9
7,996 reviews
Search Delta flights
Turkish AirlinesPriceFrom $639Free CancellationRating
7.3
4,030 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $694Free CancellationRating
7.1
10,367 reviews
Search Air Canada flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Portugal from Atlanta.

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

momondo does allow users to show only those flights to Portugal from Atlanta which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Atlanta and Portugal 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 Atlanta to Portugal right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Atlanta to Portugal now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portugal and let you know when they change.

An easier way to manage your Portugal trip

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Find better results for your trip to Portugal

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Popular flights according to clicks in the last 7 days on momondo
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