What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Atlanta to Portugal flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

What airlines fly to Portugal?

United Airlines, Delta and British Airways are the top three most popular airlines that fly to Portugal from Atlanta according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Portugal. Keep in mind that there are 12 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

How often are flights from Atlanta to Portugal delayed?

Historically, on average around 100% of flights between Atlanta and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 669 minutes.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Portugal?

TAP AIR PORTUGAL and Lufthansa are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portugal

What is the most punctual flight time for Atlanta to Portugal flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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?

As of November 2025, there are 12 operators available to choose from 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.

$193 Cheap Flights from Atlanta to Portugal in 2025/26

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Cheap round-trip flights

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8:00 pm - 4:20 pmATL-FAO

15h 20m1 stop

12:00 pm - 5:25 pmFAO-ATL

58h 25m2 stops

$492Scandinavian Airlines

Find Deal

Fri, Feb 6 - Sat, Feb 14

4:20 pm - 3:10 pmATL-LIS

17h 50m2 stops

5:00 am - 8:19 pmLIS-ATL

19h 19m2 stops

$522Delta

Find Deal

Mon, Mar 2 - Fri, Mar 13

11:28 am - 7:55 pmATL-LIS

28h 27m2 stops

5:00 am - 9:19 pmLIS-ATL

20h 19m2 stops

$523Lufthansa

Find Deal

Wed, Mar 11 - Wed, Mar 25

2:39 pm - 10:15 amATL-LIS

15h 36m1 stop

6:30 pm - 3:30 pmLIS-ATL

25h 00m1 stop

$526Lufthansa

Find Deal

Tue, Mar 10 - Mon, Mar 23

11:10 pm - 9:45 pmATL-LIS

18h 35m1 stop

6:35 pm - 9:10 pmLIS-ATL

30h 35m1 stop

$530British Airways

Find Deal

Sun, Mar 15 - Wed, Mar 25

8:15 am - 10:15 amATL-LIS

22h 00m2 stops

11:20 am - 10:21 amLIS-ATL

27h 01m2 stops

$534United Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 19

4:12 pm - 8:10 amATL-LIS

10h 58m1 stop

10:15 am - 7:59 pmLIS-ATL

14h 44m2 stops

$535United Airlines

Find Deal

Mon, Jan 12 - Mon, Jan 26

3:45 pm - 10:30 amATL-OPO

13h 45m1 stop

5:00 am - 9:45 pmOPO-ATL

20h 45m1 stop

$546KLM

Find Deal

Tue, Mar 3 - Thu, Mar 12

10:10 pm - 2:15 pmATL-FNC

35h 05m1 stop

5:05 pm - 8:10 pmFNC-ATL

32h 05m1 stop

$550British Airways

Find Deal

Sun, Dec 7 - Mon, Dec 15

11:45 pm - 3:25 pmATL-OPO

11h 40m1 stop

5:00 am - 1:45 pmOPO-ATL

13h 45m1 stop

$557KLM

Find Deal

Sun, Mar 22 - Wed, Apr 8

Scandinavian Airlines flights from Atlanta to Portugal

Our best Scandinavian Airlines deals on Atlanta to Portugal flight tickets

Scandinavian Airlines

Feb 6

ATL8:00 pmAtlanta Hartsfield-Jackson

15h 20m

1 stop

FAO4:20 pmFaro

Feb 14

FAO12:00 pmFaro

58h 25m

2 stops

ATL5:25 pmAtlanta Hartsfield-Jackson

$492

Find similar

Scandinavian Airlines

Jan 17

ATL8:00 pmAtlanta Hartsfield-Jackson

31h 55m

1 stop

LIS8:55 amLisbon Humberto Delgado

Jan 25

LIS4:55 pmLisbon Humberto Delgado

29h 30m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$568

Find similar

Scandinavian Airlines

Jan 15

ATL8:00 pmAtlanta Hartsfield-Jackson

45h 00m

2 stops

LIS10:00 pmLisbon Humberto Delgado

Jan 21

LIS4:55 pmLisbon Humberto Delgado

29h 30m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$572

Find similar

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

Lufthansa

Dec 1

ATL1:26 pmAtlanta Hartsfield-Jackson

25h 29m

2 stops

LIS7:55 pmLisbon Humberto Delgado

Dec 10

LIS5:00 amLisbon Humberto Delgado

19h 51m

2 stops

ATL7:51 pmAtlanta Hartsfield-Jackson

$522

Find similar

Lufthansa

Mar 11

ATL11:28 amAtlanta Hartsfield-Jackson

28h 27m

2 stops

LIS7:55 pmLisbon Humberto Delgado

Mar 25

LIS5:00 amLisbon Humberto Delgado

20h 19m

2 stops

ATL9:19 pmAtlanta Hartsfield-Jackson

$523

Find similar

Lufthansa

Dec 1

ATL7:35 pmAtlanta Hartsfield-Jackson

9h 40m

1 stop

LIS10:15 amLisbon Humberto Delgado

Dec 15

LIS12:25 pmLisbon Humberto Delgado

31h 05m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$525

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Fri 2/6

8:00 pm-4:20 pm

1 stop15h 20m

Faro

Sat 2/14

12:00 pm-5:25 pm

2 stops58h 25m

$492

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

4:20 pm-3:10 pm

2 stops17h 50m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-8:19 pm

2 stops19h 19m

$522

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 3/11

11:28 am-7:55 pm

2 stops28h 27m

Lisbon Humberto Delgado

Wed 3/25

5:00 am-9:19 pm

2 stops20h 19m

$523

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/10

2:39 pm-10:15 am

1 stop15h 36m

Lisbon Humberto Delgado

Mon 3/23

6:30 pm-3:30 pm

1 stop25h 00m

$526

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 3/15

11:10 pm-9:45 pm

1 stop18h 35m

Lisbon Humberto Delgado

Wed 3/25

6:35 pm-9:10 pm

1 stop30h 35m

$530

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/10

8:15 am-10:15 am

2 stops22h 00m

Lisbon Humberto Delgado

Thu 3/19

11:20 am-10:21 am

2 stops27h 01m

$534

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 1/12

4:12 pm-8:10 am

1 stop10h 58m

Lisbon Humberto Delgado

Mon 1/26

10:15 am-7:59 pm

2 stops14h 44m

$535

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

3:45 pm-10:30 am

1 stop13h 45m

Porto

Thu 3/12

5:00 am-9:45 pm

1 stop20h 45m

$546

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 12/7

10:10 pm-2:15 pm

1 stop35h 05m

Funchal Madeira

Mon 12/15

5:05 pm-8:10 pm

1 stop32h 05m

$550

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 3/22

11:45 pm-3:25 pm

1 stop11h 40m

Porto

Wed 4/8

5:00 am-1:45 pm

1 stop13h 45m

$557

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Delays

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 $686, 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 $687.

What is the cheapest day to depart on your flight to Portugal?

According to our data, Sunday is the cheapest day to fly to Portugal from Atlanta. The lowest ticket price found for a Sunday departure recently was $924. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Portugal is Thursday, with ticket prices averaging around $1,062.

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Atlanta to Portugal during this time can be as low as $955. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,022 per ticket.

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 $907 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 $822 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 26% 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 40m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 9h 40m

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?
As of November 2025, there are 12 operators available to choose from 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 Airlines	PriceFrom $484	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $532	Free Cancellation	Rating 7.7 1,423 reviews	Search KLM flights
Lufthansa	PriceFrom $565	Free Cancellation	Rating 6.8 7,594 reviews	Search Lufthansa flights
British Airways	PriceFrom $569	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $584	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $589	Free Cancellation	Rating 7.4 9,050 reviews	Search United Airlines flights
American Airlines	PriceFrom $594	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
Delta	PriceFrom $613	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,063 reviews	Search Turkish Airlines flights
Air France	PriceFrom $669	Free Cancellation	Rating 7.4 1,498 reviews	Search Air France 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $315

Flights to Portofrom $350

Flights to Funchalfrom $423

Flights to Farofrom $400

Flights to Ponta Delgadafrom $405

Flights to Lajesfrom $506

Flights to Hortafrom $569

Flights to Pico Islandfrom $558

Flights to Porto Santofrom $791

Flights to Velasfrom $572

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Tampa

Flights from Atlanta Hartsfield-Jackson to Indianapolis

Flights from Atlanta Hartsfield-Jackson to Baltimore/Washington

Flights from Atlanta Hartsfield-Jackson to Columbus

Flights from Atlanta Hartsfield-Jackson to Fort Myers SW Florida Intl

Flights from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl

Cheap flights from Atlanta to Portugal from $193

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 1/13. 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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Big names and deals

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Filter for what you want

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Cheap round-trip flights

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Scandinavian Airlines flights from Atlanta to Portugal

Our best Scandinavian Airlines deals on Atlanta to Portugal flight tickets

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

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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?

What is the cheapest day to depart on your flight to Portugal?

What is the cheapest time of day to depart on your flight to Portugal?

Our most recent data shows that the best time of day to fly to Portugal is at noon. Flights from Atlanta to Portugal during this time can be as low as $955. In the afternoon is when there is more demand to fly to Portugal, so prices are often more expensive at around $1,022 per ticket.

How far in advance should I book a flight to Portugal?

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 26% on your flight if you consider stops on a Atlanta to Portugal flight.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to Portugal?

TAP AIR PORTUGAL and Lufthansa are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portugal

What airlines fly to Portugal?

How often are flights from Atlanta to Portugal delayed?

Historically, on average around 100% of flights between Atlanta and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 669 minutes.

What is the most punctual flight time for Atlanta to Portugal flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Atlanta to Portugal flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

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

Direct flights

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Portugal?

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?

What documentation or ID do you need to fly to Portugal?

Best airlines flying from Atlanta to Portugal

Compare and see reviews for airlines that fly from Atlanta to Portugal with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Portugal?

Can I find flights from Atlanta to Portugal with flexible booking policies on momondo?

How can momondo help me find flights from Atlanta to Portugal?

I’m not ready to book a flight from Atlanta to Portugal right now. Can momondo alert me if prices change?

An easier way to manage your Portugal trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Popular cities in Portugal

Popular flights according to clicks in the last 7 days on momondo