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Cheap flights from Atlanta to Portugal from $252

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 4/18. 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.
Multiple Airlines Logo
10:30 pm - 11:15 pm
ATL
-
LIS
19h 45m
1 stop
Multiple Airlines Logo
6:35 am - 9:01 pm
LIS
-
ATL
19h 26m
2 stops
$538Multiple Airlines
Wed, Apr 8 - Wed, Apr 15
Multiple Airlines Logo
10:30 pm - 11:00 pm
ATL
-
LIS
19h 30m
1 stop
Multiple Airlines Logo
6:35 am - 9:01 pm
LIS
-
ATL
19h 26m
2 stops
$539Multiple Airlines
Tue, Apr 7 - Wed, Apr 15
British Airways Logo
10:30 pm - 11:15 pm
ATL
-
LIS
19h 45m
1 stop
British Airways Logo
11:05 am - 10:30 pm
LIS
-
ATL
16h 25m
1 stop
$540British Airways
Wed, Apr 8 - Wed, Apr 15
British Airways Logo
10:30 pm - 11:00 pm
ATL
-
LIS
19h 30m
1 stop
British Airways Logo
11:05 am - 10:30 pm
LIS
-
ATL
16h 25m
1 stop
$542British Airways
Tue, Apr 7 - Wed, Apr 15
British Airways Logo
10:30 pm - 11:10 pm
ATL
-
LIS
19h 40m
1 stop
British Airways Logo
11:00 am - 8:35 pm
LIS
-
ATL
14h 35m
1 stop
$544British Airways
Mon, Apr 13 - Tue, Apr 28
KLM Logo
8:05 pm - 3:25 pm
ATL
-
OPO
14h 20m
1 stop
KLM Logo
5:00 am - 8:25 pm
OPO
-
ATL
20h 25m
1 stop
$569KLM
Sun, Apr 19 - Thu, Apr 30
Delta Logo
9:50 pm - 10:00 pm
ATL
-
OPO
19h 10m
1 stop
Delta Logo
5:00 am - 8:25 pm
OPO
-
ATL
20h 25m
1 stop
$570Delta
Mon, Apr 13 - Wed, Apr 22
Delta Logo
3:59 pm - 3:25 pm
ATL
-
OPO
18h 26m
2 stops
Delta Logo
11:30 am - 12:44 pm
OPO
-
ATL
30h 14m
1 stop
$574Delta
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
7:18 pm - 7:10 pm
ATL
-
FAO
18h 52m
2 stops
American Airlines Logo
11:30 am - 8:35 pm
FAO
-
ATL
14h 05m
1 stop
$656American Airlines
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
1:24 pm - 12:05 pm
ATL
-
FAO
17h 41m
2 stops
American Airlines Logo
8:00 pm - 4:53 pm
FAO
-
ATL
25h 53m
2 stops
$667American Airlines
Wed, Apr 15 - Wed, Apr 22

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets
British Airways
Apr 8
ATL10:30 pmAtlanta Hartsfield-Jackson
19h 45m
1 stop
LIS11:15 pmLisbon Humberto Delgado
Apr 15
LIS11:05 amLisbon Humberto Delgado
16h 25m
1 stop
ATL10:30 pmAtlanta Hartsfield-Jackson
$540
British Airways
Apr 7
ATL10:30 pmAtlanta Hartsfield-Jackson
19h 30m
1 stop
LIS11:00 pmLisbon Humberto Delgado
Apr 15
LIS11:05 amLisbon Humberto Delgado
16h 25m
1 stop
ATL10:30 pmAtlanta Hartsfield-Jackson
$542
British Airways
Apr 13
ATL10:30 pmAtlanta Hartsfield-Jackson
19h 40m
1 stop
LIS11:10 pmLisbon Humberto Delgado
Apr 28
LIS11:00 amLisbon Humberto Delgado
14h 35m
1 stop
ATL8:35 pmAtlanta Hartsfield-Jackson
$544

Iberia flights from Atlanta to Portugal

Our best Iberia deals on Atlanta to Portugal flight tickets
Iberia
Apr 22
ATL10:58 amAtlanta Hartsfield-Jackson
28h 07m
2 stops
LIS8:05 pmLisbon Humberto Delgado
Apr 29
LIS6:35 amLisbon Humberto Delgado
19h 26m
2 stops
ATL9:01 pmAtlanta Hartsfield-Jackson
$552
Iberia
Apr 14
ATL8:09 pmAtlanta Hartsfield-Jackson
34h 41m
2 stops
LIS11:50 amLisbon Humberto Delgado
Apr 29
LIS6:35 amLisbon Humberto Delgado
19h 26m
2 stops
ATL9:01 pmAtlanta Hartsfield-Jackson
$558
Iberia
Apr 7
ATL10:17 amAtlanta Hartsfield-Jackson
32h 08m
2 stops
LIS11:25 pmLisbon Humberto Delgado
Apr 13
LIS8:45 pmLisbon Humberto Delgado
27h 42m
2 stops
ATL7:27 pmAtlanta Hartsfield-Jackson
$573

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 March 4, 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

Wed 4/8

10:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/15

6:35 am-9:01 pm

2 stops19h 26m

$538

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/7

10:30 pm-11:00 pm

1 stop19h 30m

Lisbon Humberto Delgado

Wed 4/15

6:35 am-9:01 pm

2 stops19h 26m

$539

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 4/8

10:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/15

11:05 am-10:30 pm

1 stop16h 25m

$540

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/7

10:30 pm-11:00 pm

1 stop19h 30m

Lisbon Humberto Delgado

Wed 4/15

11:05 am-10:30 pm

1 stop16h 25m

$542

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/13

10:30 pm-11:10 pm

1 stop19h 40m

Lisbon Humberto Delgado

Tue 4/28

11:00 am-8:35 pm

1 stop14h 35m

$544

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/19

8:05 pm-3:25 pm

1 stop14h 20m

Porto

Thu 4/30

5:00 am-8:25 pm

1 stop20h 25m

$569

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/13

9:50 pm-10:00 pm

1 stop19h 10m

Porto

Wed 4/22

5:00 am-8:25 pm

1 stop20h 25m

$570

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 4/14

3:59 pm-3:25 pm

2 stops18h 26m

Porto

Tue 4/21

11:30 am-12:44 pm

1 stop30h 14m

$574

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Tue 4/14

7:18 pm-7:10 pm

2 stops18h 52m

Faro

Tue 4/21

11:30 am-8:35 pm

1 stop14h 05m

$656

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Wed 4/15

1:24 pm-12:05 pm

2 stops17h 41m

Faro

Wed 4/22

8:00 pm-4:53 pm

2 stops25h 53m

$667

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 $608, 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 $665.

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 $887 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 $800 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 5% 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

11h 50m

Direct flights

None
The fastest flight from Atlanta to Portugal takes 11h 50m
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
680 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $484Free CancellationRating
7.3
1,703 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $496Free CancellationRating
6.8
7,823 reviews
Search Lufthansa flights
KLMPriceFrom $513Free CancellationRating
7.7
1,465 reviews
Search KLM flights
United AirlinesPriceFrom $522Free CancellationRating
7.4
9,389 reviews
Search United Airlines flights
British AirwaysPriceFrom $525Free CancellationRating
6.7
7,775 reviews
Search British Airways flights
Air FrancePriceFrom $564Free CancellationRating
7.4
1,542 reviews
Search Air France flights
DeltaPriceFrom $601Free CancellationRating
7.9
8,247 reviews
Search Delta flights
Air CanadaPriceFrom $606Free CancellationRating
7.1
10,776 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.3
4,243 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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