Cheap flights from Atlanta to Portugal from $333

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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
3:05 pm - 3:40 pm
ATL
-
OPO
19h 35m
1 stop
Turkish Airlines Logo
10:40 am - 7:45 pm
OPO
-
ATL
38h 05m
1 stop
$646Turkish Airlines
Tue, Sep 8 - Tue, Sep 22
Turkish Airlines Logo
9:50 pm - 10:00 am
ATL
-
OPO
31h 10m
1 stop
Turkish Airlines Logo
10:45 am - 7:45 pm
OPO
-
ATL
38h 00m
1 stop
$647Turkish Airlines
Tue, Sep 15 - Wed, Sep 30
Scandinavian Airlines Logo
7:30 pm - 10:10 pm
ATL
-
LIS
21h 40m
2 stops
Scandinavian Airlines Logo
4:25 pm - 5:05 pm
LIS
-
ATL
29h 40m
1 stop
$665Scandinavian Airlines
Mon, Sep 7 - Wed, Sep 16
Scandinavian Airlines Logo
7:25 pm - 3:35 pm
ATL
-
LIS
15h 10m
1 stop
Scandinavian Airlines Logo
4:25 pm - 5:25 pm
LIS
-
ATL
30h 00m
1 stop
$682Scandinavian Airlines
Sun, Apr 19 - Mon, May 4
British Airways Logo
10:25 pm - 2:25 pm
ATL
-
FAO
35h 00m
1 stop
British Airways Logo
3:40 pm - 8:30 pm
FAO
-
ATL
33h 50m
1 stop
$849British Airways
Tue, Apr 28 - Tue, May 5
British Airways Logo
10:25 pm - 2:25 pm
ATL
-
FAO
35h 00m
1 stop
British Airways Logo
11:30 am - 7:27 pm
FAO
-
ATL
36h 57m
2 stops
$892British Airways
Tue, Apr 28 - Tue, May 5
KLM Logo
7:50 pm - 9:05 pm
ATL
-
FAO
20h 15m
1 stop
KLM Logo
8:20 pm - 12:42 pm
FAO
-
ATL
21h 22m
1 stop
$936KLM
Fri, May 8 - Thu, May 14
KLM Logo
3:20 pm - 9:05 pm
ATL
-
FAO
24h 45m
1 stop
KLM Logo
8:20 pm - 1:59 pm
FAO
-
ATL
22h 39m
1 stop
$937KLM
Fri, May 8 - Thu, May 14
TAP AIR PORTUGAL Logo
11:10 am - 6:35 pm
ATL
-
FNC
26h 25m
2 stops
TAP AIR PORTUGAL Logo
4:05 am - 10:07 am
FNC
-
ATL
35h 02m
2 stops
$979TAP AIR PORTUGAL
Thu, Apr 30 - Thu, May 7
TAP AIR PORTUGAL Logo
6:00 am - 6:35 pm
ATL
-
FNC
31h 35m
2 stops
TAP AIR PORTUGAL Logo
5:50 am - 12:12 am
FNC
-
ATL
23h 22m
2 stops
$1,109TAP AIR PORTUGAL
Sun, Sep 20 - Fri, Oct 2

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets
British Airways
Apr 7
ATL1:29 pmAtlanta Hartsfield-Jackson
14h 36m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 16
LIS11:05 amLisbon Humberto Delgado
12h 20m
1 stop
ATL6:25 pmAtlanta Hartsfield-Jackson
$737
British Airways
Apr 7
ATL1:29 pmAtlanta Hartsfield-Jackson
14h 36m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 16
LIS11:05 amLisbon Humberto Delgado
12h 20m
1 stop
ATL6:25 pmAtlanta Hartsfield-Jackson
$738
British Airways
Apr 22
ATL10:25 pmAtlanta Hartsfield-Jackson
19h 50m
1 stop
LIS11:15 pmLisbon Humberto Delgado
Apr 28
LIS11:00 amLisbon Humberto Delgado
14h 30m
1 stop
ATL8:30 pmAtlanta Hartsfield-Jackson
$775

American Airlines flights from Atlanta to Portugal

Our best American Airlines deals on Atlanta to Portugal flight tickets
American Airlines
Apr 19
ATL7:32 amAtlanta Hartsfield-Jackson
20h 33m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 28
LIS8:25 amLisbon Humberto Delgado
16h 02m
2 stops
ATL7:27 pmAtlanta Hartsfield-Jackson
$743
American Airlines
Apr 19
ATL7:32 amAtlanta Hartsfield-Jackson
20h 33m
1 stop
LIS9:05 amLisbon Humberto Delgado
Apr 28
LIS8:25 amLisbon Humberto Delgado
16h 02m
2 stops
ATL7:27 pmAtlanta Hartsfield-Jackson
$744
American Airlines
Apr 22
ATL10:00 amAtlanta Hartsfield-Jackson
18h 05m
2 stops
LIS9:05 amLisbon Humberto Delgado
Apr 28
LIS8:25 amLisbon Humberto Delgado
16h 02m
2 stops
ATL7:27 pmAtlanta Hartsfield-Jackson
$748

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 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

Cheapest round-trip

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 9/8

3:05 pm-3:40 pm

1 stop19h 35m

Porto

Tue 9/22

10:40 am-7:45 pm

1 stop38h 05m

$646

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 9/15

9:50 pm-10:00 am

1 stop31h 10m

Porto

Wed 9/30

10:45 am-7:45 pm

1 stop38h 00m

$647

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 9/7

7:30 pm-10:10 pm

2 stops21h 40m

Lisbon Humberto Delgado

Wed 9/16

4:25 pm-5:05 pm

1 stop29h 40m

$665

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/19

7:25 pm-3:35 pm

1 stop15h 10m

Lisbon Humberto Delgado

Mon 5/4

4:25 pm-5:25 pm

1 stop30h 00m

$682

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Tue 4/28

10:25 pm-2:25 pm

1 stop35h 00m

Faro

Tue 5/5

3:40 pm-8:30 pm

1 stop33h 50m

$849

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Tue 4/28

10:25 pm-2:25 pm

1 stop35h 00m

Faro

Tue 5/5

11:30 am-7:27 pm

2 stops36h 57m

$892
Quickest round-trip

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Fri 5/8

7:50 pm-9:05 pm

1 stop20h 15m

Faro

Thu 5/14

8:20 pm-12:42 pm

1 stop21h 22m

$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-1:59 pm

1 stop22h 39m

$937

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Thu 4/30

11:10 am-6:35 pm

2 stops26h 25m

Funchal Madeira

Thu 5/7

4:05 am-10:07 am

2 stops35h 02m

$979

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 9/20

6:00 am-6:35 pm

2 stops31h 35m

Funchal Madeira

Fri 10/2

5:50 am-12:12 am

2 stops23h 22m

$1,109

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 $639.

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 $878 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 $742 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 22% 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

10h 50m

Direct flights

None
The fastest flight from Atlanta to Portugal takes 10h 50m
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
Virgin AtlanticPriceFrom $480Free CancellationRating
7.5
685 reviews
Search Virgin Atlantic flights
Scandinavian AirlinesPriceFrom $484Free CancellationRating
7.3
1,740 reviews
Search Scandinavian Airlines flights
LufthansaPriceFrom $496Free CancellationRating
6.8
7,892 reviews
Search Lufthansa flights
KLMPriceFrom $513Free CancellationRating
7.7
1,487 reviews
Search KLM flights
United AirlinesPriceFrom $517Free CancellationRating
7.4
9,546 reviews
Search United Airlines flights
British AirwaysPriceFrom $531Free CancellationRating
6.7
7,852 reviews
Search British Airways flights
Air FrancePriceFrom $564Free CancellationRating
7.4
1,563 reviews
Search Air France flights
DeltaPriceFrom $577Free CancellationRating
7.9
8,387 reviews
Search Delta flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
10,894 reviews
Search Air Canada flights
Turkish AirlinesPriceFrom $644Free CancellationRating
7.4
4,298 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
Mon 5/4
Mon 5/11

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