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Cheap flights from Atlanta to Portugal from $184

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 4/15. 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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0 bags

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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.
United Airlines Logo
7:45 am - 9:30 am
ATL
-
OPO
20h 45m
1 stop
United Airlines Logo
12:35 pm - 10:20 am
OPO
-
ATL
25h 45m
2 stops
$437United Airlines
Sun, Feb 22 - Tue, Mar 10
British Airways Logo
8:08 pm - 5:35 pm
ATL
-
OPO
40h 27m
2 stops
British Airways Logo
12:25 pm - 7:16 pm
OPO
-
ATL
34h 51m
2 stops
$444British Airways
Sun, Feb 22 - Tue, Mar 10
British Airways Logo
8:03 pm - 7:05 pm
ATL
-
OPO
18h 02m
2 stops
British Airways Logo
8:20 am - 10:05 pm
OPO
-
ATL
18h 45m
2 stops
$453British Airways
Wed, Apr 8 - Wed, Apr 15
Iberia Logo
4:29 pm - 4:00 pm
ATL
-
OPO
18h 31m
2 stops
Iberia Logo
8:40 pm - 7:18 pm
OPO
-
ATL
27h 38m
2 stops
$461Iberia
Wed, Feb 18 - Wed, Feb 25
United Airlines Logo
3:42 pm - 10:15 am
ATL
-
LIS
13h 33m
2 stops
United Airlines Logo
10:15 am - 11:15 pm
LIS
-
ATL
18h 00m
2 stops
$462United Airlines
Mon, Feb 23 - Wed, Mar 4
Lufthansa Logo
5:55 pm - 11:35 am
ATL
-
LIS
13h 40m
1 stop
Lufthansa Logo
5:00 am - 3:30 pm
LIS
-
ATL
14h 30m
1 stop
$463Lufthansa
Sun, Mar 8 - Tue, Mar 17
Iberia Logo
10:22 am - 11:50 am
ATL
-
LIS
20h 28m
2 stops
Iberia Logo
6:35 am - 10:05 pm
LIS
-
ATL
20h 30m
2 stops
$469Iberia
Tue, Apr 14 - Tue, Apr 21
Lufthansa Logo
5:55 pm - 11:35 am
ATL
-
LIS
13h 40m
1 stop
Lufthansa Logo
5:00 am - 3:30 pm
LIS
-
ATL
14h 30m
1 stop
$483Lufthansa
Sun, Mar 8 - Tue, Mar 17
Scandinavian Airlines Logo
9:00 pm - 9:45 am
ATL
-
FAO
56h 45m
2 stops
Scandinavian Airlines Logo
10:55 am - 6:25 pm
FAO
-
ATL
35h 30m
2 stops
$620Scandinavian Airlines
Sun, Mar 8 - Sun, Mar 15
Scandinavian Airlines Logo
9:00 pm - 10:50 am
ATL
-
FAO
33h 50m
1 stop
Scandinavian Airlines Logo
10:55 am - 6:25 pm
FAO
-
ATL
35h 30m
2 stops
$625Scandinavian Airlines
Sun, Mar 8 - Sun, Mar 15

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets
Lufthansa
Mar 8
ATL5:55 pmAtlanta Hartsfield-Jackson
13h 40m
1 stop
LIS11:35 amLisbon Humberto Delgado
Mar 17
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$484
Lufthansa
Feb 4
ATL4:55 pmAtlanta Hartsfield-Jackson
16h 55m
1 stop
LIS2:50 pmLisbon Humberto Delgado
Feb 11
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
$489
Lufthansa
Feb 15
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 40m
1 stop
LIS11:35 amLisbon Humberto Delgado
Mar 17
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$501

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets
United Airlines
Mar 2
ATL4:35 pmAtlanta Hartsfield-Jackson
10h 35m
1 stop
LIS8:10 amLisbon Humberto Delgado
Mar 13
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$461
United Airlines
Mar 4
ATL7:30 pmAtlanta Hartsfield-Jackson
9h 45m
1 stop
LIS10:15 amLisbon Humberto Delgado
Mar 13
LIS11:55 amLisbon Humberto Delgado
29h 48m
2 stops
ATL1:43 pmAtlanta Hartsfield-Jackson
$462
United Airlines
Apr 19
ATL7:31 pmAtlanta Hartsfield-Jackson
9h 59m
1 stop
LIS10:30 amLisbon Humberto Delgado
May 1
LIS1:00 pmLisbon Humberto Delgado
15h 59m
2 stops
ATL11:59 pmAtlanta Hartsfield-Jackson
$466

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 January 24, 2026.
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

Sun 2/22

7:45 am-9:30 am

1 stop20h 45m

Porto

Tue 3/10

12:35 pm-10:20 am

2 stops25h 45m

$437

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 2/22

8:08 pm-5:35 pm

2 stops40h 27m

Porto

Tue 3/10

12:25 pm-7:16 pm

2 stops34h 51m

$444

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

8:03 pm-7:05 pm

2 stops18h 02m

Porto

Wed 4/15

8:20 am-10:05 pm

2 stops18h 45m

$453

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 2/18

4:29 pm-4:00 pm

2 stops18h 31m

Porto

Wed 2/25

8:40 pm-7:18 pm

2 stops27h 38m

$461

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 2/23

3:42 pm-10:15 am

2 stops13h 33m

Lisbon Humberto Delgado

Wed 3/4

10:15 am-11:15 pm

2 stops18h 00m

$462

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 3/8

5:55 pm-11:35 am

1 stop13h 40m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-3:30 pm

1 stop14h 30m

$463

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/14

10:22 am-11:50 am

2 stops20h 28m

Lisbon Humberto Delgado

Tue 4/21

6:35 am-10:05 pm

2 stops20h 30m

$469

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 3/8

5:55 pm-11:35 am

1 stop13h 40m

Lisbon Humberto Delgado

Tue 3/17

5:00 am-3:30 pm

1 stop14h 30m

$483

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 3/8

9:00 pm-9:45 am

2 stops56h 45m

Faro

Sun 3/15

10:55 am-6:25 pm

2 stops35h 30m

$620

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 3/8

9:00 pm-10:50 am

1 stop33h 50m

Faro

Sun 3/15

10:55 am-6:25 pm

2 stops35h 30m

$625

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 January. Flight prices, which tend to average around $655, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Portugal from Atlanta during February instead. Flights to Portugal in February, while not as cheap as those in January, still average around $671.

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 $890 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 $839 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 65% 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

Fastest flight time

12h 10m

Direct flights

None
The fastest flight from Atlanta to Portugal takes 12h 10m
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
7.3
1,662 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $514Free CancellationRating
7.7
1,442 reviews
Search KLM flights
LufthansaPriceFrom $521Free CancellationRating
6.8
7,748 reviews
Search Lufthansa flights
United AirlinesPriceFrom $542Free CancellationRating
7.4
9,200 reviews
Search United Airlines flights
British AirwaysPriceFrom $561Free CancellationRating
6.7
7,699 reviews
Search British Airways flights
Virgin AtlanticPriceFrom $584Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,655 reviews
Search Air Canada flights
DeltaPriceFrom $632Free CancellationRating
7.9
8,110 reviews
Search Delta flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.3
4,206 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $663Free CancellationRating
7.2
11,197 reviews
Search American Airlines 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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