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Cheap flights from Atlanta to Portugal from $242

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 11/11. 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 Atlanta to Portugal

Cheap round-trip flights

Scandinavian Airlines Logo
8:00 pm - 4:55 pmATL-OPO
15h 55m1 stop
Scandinavian Airlines Logo
5:35 pm - 5:25 pmOPO-ATL
28h 50m1 stop
$488Scandinavian Airlines
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Thu, Nov 27 - Fri, Dec 5
Scandinavian Airlines Logo
9:00 pm - 4:55 pmATL-OPO
15h 55m1 stop
Scandinavian Airlines Logo
5:35 pm - 5:25 pmOPO-ATL
28h 50m1 stop
$491Scandinavian Airlines
Find Deal
Thu, Oct 30 - Fri, Nov 14
KLM Logo
5:10 pm - 5:10 pmATL-FNC
19h 00m1 stop
KLM Logo
10:20 am - 1:35 pmFNC-ATL
32h 15m1 stop
$521KLM
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
4:32 pm - 9:30 amATL-OPO
11h 58m1 stop
United Airlines Logo
6:00 am - 11:43 amOPO-ATL
34h 43m2 stops
$536United Airlines
Find Deal
Mon, Nov 3 - Thu, Feb 12
United Airlines Logo
4:32 pm - 9:30 amATL-OPO
11h 58m1 stop
United Airlines Logo
6:00 am - 7:51 pmOPO-ATL
18h 51m2 stops
$540United Airlines
Find Deal
Wed, Nov 26 - Thu, Dec 4
Delta Logo
10:45 pm - 10:25 amATL-OPO
30h 40m1 stop
Delta Logo
11:10 am - 7:45 pmOPO-ATL
13h 35m1 stop
$564Delta
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Wed, Nov 5 - Tue, Feb 24
Delta Logo
3:50 pm - 10:15 amATL-OPO
13h 25m1 stop
Delta Logo
11:10 am - 11:42 pmOPO-ATL
17h 32m2 stops
$573Delta
Find Deal
Mon, Nov 3 - Tue, Feb 24
British Airways Logo
11:10 pm - 5:20 pmATL-FAO
14h 10m1 stop
British Airways Logo
7:05 pm - 8:10 pmFAO-ATL
30h 05m1 stop
$597British Airways
Find Deal
Sun, Oct 26 - Mon, Nov 10
British Airways Logo
12:44 pm - 7:40 amATL-OPO
13h 56m2 stops
British Airways Logo
8:20 am - 8:37 pmOPO-ATL
17h 17m2 stops
$608British Airways
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Thu, Jan 22 - Thu, Feb 5
American Airlines Logo
10:20 am - 10:35 amATL-FAO
19h 15m2 stops
American Airlines Logo
7:40 pm - 10:54 pmFAO-ATL
32h 14m2 stops
$674American Airlines
Find Deal
Wed, Oct 22 - Thu, Nov 20

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets
United Airlines
Nov 3
ATL4:32 pmAtlanta Hartsfield-Jackson
11h 58m
1 stop
OPO9:30 amPorto
Feb 12
OPO6:00 amPorto
34h 43m
2 stops
ATL11:43 amAtlanta Hartsfield-Jackson
$536
Find similar
United Airlines
Nov 26
ATL4:32 pmAtlanta Hartsfield-Jackson
11h 58m
1 stop
OPO9:30 amPorto
Dec 4
OPO6:00 amPorto
18h 51m
2 stops
ATL7:51 pmAtlanta Hartsfield-Jackson
$540
Find similar
United Airlines
Nov 4
ATL10:10 amAtlanta Hartsfield-Jackson
18h 20m
2 stops
OPO9:30 amPorto
Feb 11
OPO6:00 amPorto
44h 43m
2 stops
ATL9:43 pmAtlanta Hartsfield-Jackson
$541
Find similar

Delta flights from Atlanta to Portugal

Our best Delta deals on Atlanta to Portugal flight tickets
Delta
Nov 5
ATL10:45 pmAtlanta Hartsfield-Jackson
30h 40m
1 stop
OPO10:25 amPorto
Feb 24
OPO11:10 amPorto
13h 35m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
$564
Find similar
Delta
Nov 3
ATL3:50 pmAtlanta Hartsfield-Jackson
13h 25m
1 stop
OPO10:15 amPorto
Feb 24
OPO11:10 amPorto
17h 32m
2 stops
ATL11:42 pmAtlanta Hartsfield-Jackson
$573
Find similar
Delta
Nov 3
ATL5:10 pmAtlanta Hartsfield-Jackson
12h 20m
1 stop
OPO10:30 amPorto
Feb 11
OPO11:25 amPorto
32h 25m
1 stop
ATL2:50 pmAtlanta Hartsfield-Jackson
$576
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 September 17, 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

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 11/27

8:00 pm-4:55 pm

1 stop15h 55m

Porto

Fri 12/5

5:35 pm-5:25 pm

1 stop28h 50m

$488

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 10/30

9:00 pm-4:55 pm

1 stop15h 55m

Porto

Fri 11/14

5:35 pm-5:25 pm

1 stop28h 50m

$491

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Thu 11/27

5:10 pm-5:10 pm

1 stop19h 00m

Funchal Madeira

Thu 12/4

10:20 am-1:35 pm

1 stop32h 15m

$521

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/3

4:32 pm-9:30 am

1 stop11h 58m

Porto

Thu 2/12

6:00 am-11:43 am

2 stops34h 43m

$536

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/26

4:32 pm-9:30 am

1 stop11h 58m

Porto

Thu 12/4

6:00 am-7:51 pm

2 stops18h 51m

$540

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/5

10:45 pm-10:25 am

1 stop30h 40m

Porto

Tue 2/24

11:10 am-7:45 pm

1 stop13h 35m

$564

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/3

3:50 pm-10:15 am

1 stop13h 25m

Porto

Tue 2/24

11:10 am-11:42 pm

2 stops17h 32m

$573

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 10/26

11:10 pm-5:20 pm

1 stop14h 10m

Faro

Mon 11/10

7:05 pm-8:10 pm

1 stop30h 05m

$597

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 1/22

12:44 pm-7:40 am

2 stops13h 56m

Porto

Thu 2/5

8:20 am-8:37 pm

2 stops17h 17m

$608

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Wed 10/22

10:20 am-10:35 am

2 stops19h 15m

Faro

Thu 11/20

7:40 pm-10:54 pm

2 stops32h 14m

$674

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 $681, 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 $683.

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 $914 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 $808 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 56% 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
1,486 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $546Free CancellationRating
7.8
1,386 reviews
Search KLM flights
British AirwaysPriceFrom $567Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
LufthansaPriceFrom $568Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
American AirlinesPriceFrom $569Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $600Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $605Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
DeltaPriceFrom $613Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Turkish AirlinesPriceFrom $626Free CancellationRating
7.3
3,965 reviews
Search Turkish Airlines flights
Air FrancePriceFrom $669Free CancellationRating
7.4
1,468 reviews
Search Air France 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.

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Find better results for your trip to Portugal

Popular cities in Portugal

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