Cheap flights from Atlanta to Portugal from $296

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 8/21. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:30 pm - 3:35 pm
ATL
-
LIS
15h 05m
1 stop
Scandinavian Airlines Logo
4:25 pm - 5:30 pm
LIS
-
ATL
30h 05m
1 stop
$706Scandinavian Airlines
Fri, Oct 16 - Sat, Oct 24
Scandinavian Airlines Logo
7:30 pm - 7:25 pm
ATL
-
LIS
18h 55m
1 stop
Scandinavian Airlines Logo
4:55 pm - 6:00 pm
LIS
-
ATL
30h 05m
1 stop
$727Scandinavian Airlines
Sun, Aug 16 - Tue, Nov 3
Scandinavian Airlines Logo
7:30 pm - 7:25 pm
ATL
-
LIS
18h 55m
1 stop
Scandinavian Airlines Logo
4:55 pm - 6:00 pm
LIS
-
ATL
30h 05m
1 stop
$728Scandinavian Airlines
Sun, Aug 16 - Tue, Nov 3
United Airlines Logo
12:55 pm - 9:20 am
ATL
-
LIS
15h 25m
1 stop
United Airlines Logo
11:20 am - 7:12 pm
LIS
-
ATL
36h 52m
2 stops
$729United Airlines
Tue, Oct 20 - Tue, Nov 17
United Airlines Logo
11:23 am - 10:30 am
ATL
-
LIS
18h 07m
3 stops
United Airlines Logo
5:00 am - 2:30 pm
LIS
-
ATL
14h 30m
1 stop
$733United Airlines
Tue, Oct 20 - Tue, Nov 10
KLM Logo
5:05 pm - 9:30 am
ATL
-
FAO
35h 25m
1 stop
KLM Logo
8:20 pm - 8:25 pm
FAO
-
ATL
29h 05m
1 stop
$936KLM
Thu, Sep 24 - Wed, Sep 30
KLM Logo
3:20 pm - 9:05 pm
ATL
-
FAO
24h 45m
1 stop
KLM Logo
8:20 pm - 12:42 pm
FAO
-
ATL
21h 22m
1 stop
$958KLM
Fri, May 8 - Thu, May 14
British Airways Logo
10:35 pm - 11:30 am
ATL
-
FNC
31h 55m
1 stop
British Airways Logo
1:15 pm - 8:35 pm
FNC
-
ATL
36h 20m
1 stop
$972British Airways
Sun, Sep 27 - Thu, Oct 1
Lufthansa Logo
3:55 pm - 2:45 pm
ATL
-
FAO
17h 50m
1 stop
Lufthansa Logo
3:25 pm - 1:45 pm
FAO
-
ATL
27h 20m
1 stop
$993Lufthansa
Fri, May 8 - Thu, May 14
British Airways Logo
10:35 pm - 12:35 pm
ATL
-
FNC
33h 00m
1 stop
British Airways Logo
7:35 pm - 8:35 pm
FNC
-
ATL
30h 00m
1 stop
$1,038British Airways
Fri, Sep 25 - Tue, Oct 6

Turkish Airlines flights from Atlanta to Portugal

Our best Turkish Airlines deals on Atlanta to Portugal flight tickets
Turkish Airlines
Sep 1
ATL9:50 pmAtlanta Hartsfield-Jackson
36h 50m
1 stop
OPO3:40 pmPorto
Sep 30
OPO4:40 pmPorto
32h 05m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
$773
Turkish Airlines
Sep 1
ATL9:50 pmAtlanta Hartsfield-Jackson
36h 50m
1 stop
OPO3:40 pmPorto
Sep 30
OPO10:45 amPorto
38h 00m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
$774
Turkish Airlines
Aug 25
ATL3:05 pmAtlanta Hartsfield-Jackson
37h 45m
1 stop
LIS9:50 amLisbon Humberto Delgado
Sep 1
LIS10:55 amLisbon Humberto Delgado
37h 50m
1 stop
ATL7:45 pmAtlanta Hartsfield-Jackson
$777

Air Canada flights from Atlanta to Portugal

Our best Air Canada deals on Atlanta to Portugal flight tickets
Air Canada
Oct 20
ATL11:15 amAtlanta Hartsfield-Jackson
17h 05m
2 stops
LIS9:20 amLisbon Humberto Delgado
Nov 17
LIS5:00 amLisbon Humberto Delgado
21h 43m
2 stops
ATL9:43 pmAtlanta Hartsfield-Jackson
$735
Air Canada
Aug 11
ATL12:55 pmAtlanta Hartsfield-Jackson
15h 25m
1 stop
LIS9:20 amLisbon Humberto Delgado
Sep 11
LIS5:05 amLisbon Humberto Delgado
21h 05m
2 stops
ATL9:10 pmAtlanta Hartsfield-Jackson
$774
Air Canada
Aug 11
ATL11:01 amAtlanta Hartsfield-Jackson
17h 19m
2 stops
LIS9:20 amLisbon Humberto Delgado
Sep 11
LIS5:05 amLisbon Humberto Delgado
21h 05m
2 stops
ATL9:10 pmAtlanta Hartsfield-Jackson
$778

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 April 27, 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

Cheapest round-trip

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Fri 10/16

7:30 pm-3:35 pm

1 stop15h 05m

Lisbon Humberto Delgado

Sat 10/24

4:25 pm-5:30 pm

1 stop30h 05m

$706

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 8/16

7:30 pm-7:25 pm

1 stop18h 55m

Lisbon Humberto Delgado

Tue 11/3

4:55 pm-6:00 pm

1 stop30h 05m

$727

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 8/16

7:30 pm-7:25 pm

1 stop18h 55m

Lisbon Humberto Delgado

Tue 11/3

4:55 pm-6:00 pm

1 stop30h 05m

$728

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 10/20

12:55 pm-9:20 am

1 stop15h 25m

Lisbon Humberto Delgado

Tue 11/17

11:20 am-7:12 pm

2 stops36h 52m

$729
Quickest round-trip

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 10/20

11:23 am-10:30 am

3 stops18h 07m

Lisbon Humberto Delgado

Tue 11/10

5:00 am-2:30 pm

1 stop14h 30m

$733

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Thu 9/24

5:05 pm-9:30 am

1 stop35h 25m

Faro

Wed 9/30

8:20 pm-8:25 pm

1 stop29h 05m

$936

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Fri 5/8

3:20 pm-9:05 pm

1 stop24h 45m

Faro

Thu 5/14

8:20 pm-12:42 pm

1 stop21h 22m

$958

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 9/27

10:35 pm-11:30 am

1 stop31h 55m

Funchal Madeira

Thu 10/1

1:15 pm-8:35 pm

1 stop36h 20m

$972

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Fri 5/8

3:55 pm-2:45 pm

1 stop17h 50m

Faro

Thu 5/14

3:25 pm-1:45 pm

1 stop27h 20m

$993

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Fri 9/25

10:35 pm-12:35 pm

1 stop33h 00m

Funchal Madeira

Tue 10/6

7:35 pm-8:35 pm

1 stop30h 00m

$1,038

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 November. Flight prices, which tend to average around $423, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Portugal from Atlanta during January instead. Flights to Portugal in January, while not as cheap as those in November, still average around $435.

How far in advance should I book a flight from Atlanta 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 $875 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 $758 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 40% 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 58m

Direct flights

None
The fastest flight from Atlanta to Portugal takes 9h 58m
There are no direct flights from Atlanta to Portugal. There are no popular flight routes from Atlanta to Portugal.

Frequently asked questions about flying from Atlanta to Portugal

  • 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
United AirlinesPriceFrom $437Free CancellationRating
7.4
9,670 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $480Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $484Free CancellationRating
7.4
1,761 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $496Free CancellationRating
6.8
7,956 reviews
Search Lufthansa flights
KLMPriceFrom $513Free CancellationRating
7.8
1,508 reviews
Search KLM flights
British AirwaysPriceFrom $531Free CancellationRating
6.7
7,923 reviews
Search British Airways flights
Air FrancePriceFrom $564Free CancellationRating
7.4
1,580 reviews
Search Air France flights
DeltaPriceFrom $577Free CancellationRating
7.9
8,463 reviews
Search Delta flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,974 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.4
4,337 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.

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1 adult
Wed 5/27
Wed 6/3

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