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Cheap flights from Atlanta to Portugal from $238

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 4/17. 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
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.
Lufthansa Logo
4:55 pm - 11:30 am
ATL
-
LIS
13h 35m
1 stop
Lufthansa Logo
5:00 am - 3:30 pm
LIS
-
ATL
14h 30m
1 stop
$482Lufthansa
Mon, Mar 2 - Fri, Mar 13
Scandinavian Airlines Logo
9:00 pm - 9:35 am
ATL
-
OPO
32h 35m
1 stop
Scandinavian Airlines Logo
10:25 am - 6:25 pm
OPO
-
ATL
36h 00m
1 stop
$497Scandinavian Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
1:00 pm - 11:30 am
ATL
-
LIS
17h 30m
2 stops
Multiple Airlines Logo
5:00 am - 3:30 pm
LIS
-
ATL
14h 30m
1 stop
$509Multiple Airlines
Mon, Mar 2 - Fri, Mar 13
United Airlines Logo
2:39 pm - 8:10 am
ATL
-
LIS
12h 31m
2 stops
United Airlines Logo
5:00 am - 3:30 pm
LIS
-
ATL
14h 30m
1 stop
$511United Airlines
Mon, Mar 2 - Wed, Mar 11
United Airlines Logo
2:39 pm - 8:10 am
ATL
-
LIS
12h 31m
2 stops
United Airlines Logo
11:20 am - 5:31 pm
LIS
-
ATL
35h 11m
2 stops
$513United Airlines
Tue, Feb 17 - Tue, Feb 24
Delta Logo
7:15 pm - 3:25 pm
ATL
-
OPO
15h 10m
2 stops
Delta Logo
5:00 am - 4:55 pm
OPO
-
ATL
16h 55m
1 stop
$555Delta
Wed, Apr 8 - Wed, Apr 15
Delta Logo
12:00 pm - 10:30 am
ATL
-
OPO
17h 30m
2 stops
Delta Logo
5:00 am - 3:40 pm
OPO
-
ATL
14h 40m
1 stop
$556Delta
Tue, Mar 3 - Thu, Mar 12
KLM Logo
5:15 pm - 10:30 am
ATL
-
OPO
12h 15m
1 stop
KLM Logo
5:00 am - 3:40 pm
OPO
-
ATL
14h 40m
1 stop
$558KLM
Tue, Mar 3 - Thu, Mar 12
British Airways Logo
10:10 pm - 5:20 pm
ATL
-
FAO
14h 10m
1 stop
British Airways Logo
7:05 pm - 9:10 pm
FAO
-
ATL
30h 05m
1 stop
$624British Airways
Sun, Mar 1 - Mon, Mar 16
British Airways Logo
10:10 pm - 5:20 pm
ATL
-
FAO
14h 10m
1 stop
British Airways Logo
7:05 pm - 9:10 pm
FAO
-
ATL
30h 05m
1 stop
$629British Airways
Sun, Mar 1 - Mon, Mar 16

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets
United Airlines
Feb 8
ATL9:47 amAtlanta Hartsfield-Jackson
17h 23m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 24
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL2:30 pmAtlanta Hartsfield-Jackson
$501
United Airlines
Mar 2
ATL4:35 pmAtlanta Hartsfield-Jackson
10h 35m
1 stop
LIS8:10 amLisbon Humberto Delgado
Mar 10
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$511
United Airlines
Feb 17
ATL2:39 pmAtlanta Hartsfield-Jackson
12h 31m
2 stops
LIS8:10 amLisbon Humberto Delgado
Feb 24
LIS11:20 amLisbon Humberto Delgado
35h 11m
2 stops
ATL5:31 pmAtlanta Hartsfield-Jackson
$513

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets
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
$525
Lufthansa
Mar 2
ATL4:55 pmAtlanta Hartsfield-Jackson
13h 35m
1 stop
LIS11:30 amLisbon Humberto Delgado
Mar 11
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$527
Lufthansa
Mar 4
ATL7:00 pmAtlanta Hartsfield-Jackson
22h 50m
2 stops
LIS10:50 pmLisbon Humberto Delgado
Mar 12
LIS5:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL3:30 pmAtlanta Hartsfield-Jackson
$531

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 February 3, 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

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

4:55 pm-11:30 am

1 stop13h 35m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-3:30 pm

1 stop14h 30m

$482

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 3/9

9:00 pm-9:35 am

1 stop32h 35m

Porto

Wed 3/25

10:25 am-6:25 pm

1 stop36h 00m

$497

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

1:00 pm-11:30 am

2 stops17h 30m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-3:30 pm

1 stop14h 30m

$509

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Wed 3/11

5:00 am-3:30 pm

1 stop14h 30m

$511

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 2/17

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Tue 2/24

11:20 am-5:31 pm

2 stops35h 11m

$513

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

7:15 pm-3:25 pm

2 stops15h 10m

Porto

Wed 4/15

5:00 am-4:55 pm

1 stop16h 55m

$555

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

12:00 pm-10:30 am

2 stops17h 30m

Porto

Thu 3/12

5:00 am-3:40 pm

1 stop14h 40m

$556

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

5:15 pm-10:30 am

1 stop12h 15m

Porto

Thu 3/12

5:00 am-3:40 pm

1 stop14h 40m

$558

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 3/1

10:10 pm-5:20 pm

1 stop14h 10m

Faro

Mon 3/16

7:05 pm-9:10 pm

1 stop30h 05m

$624

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sun 3/1

10:10 pm-5:20 pm

1 stop14h 10m

Faro

Mon 3/16

7:05 pm-9:10 pm

1 stop30h 05m

$629

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 $666.

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 $889 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 33% 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

9h 45m

Direct flights

None
The fastest flight from Atlanta to Portugal takes 9h 45m
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
Virgin AtlanticPriceFrom $480Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $484Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights
KLMPriceFrom $513Free CancellationRating
7.7
1,448 reviews
Search KLM flights
LufthansaPriceFrom $516Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
United AirlinesPriceFrom $531Free CancellationRating
7.4
9,232 reviews
Search United Airlines flights
British AirwaysPriceFrom $531Free CancellationRating
6.7
7,711 reviews
Search British Airways flights
Air FrancePriceFrom $564Free CancellationRating
7.4
1,531 reviews
Search Air France flights
DeltaPriceFrom $583Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Air CanadaPriceFrom $627Free CancellationRating
7.1
10,680 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.3
4,209 reviews
Search Turkish 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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Popular flights according to clicks in the last 7 days on momondo
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