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.

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 43% 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?

British Airways, Iberia, and KLM 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.

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.

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 January 2026, 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.

$186 Cheap Flights from Atlanta to Portugal in 2026

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10:10 pm - 9:55 pm

ATL

LIS

18h 45m1 stop

6:30 am - 7:18 pm

LIS

ATL

17h 48m2 stops

$448Multiple Airlines

Mon, Feb 2 - Tue, Feb 17

11:10 pm - 9:50 pm

ATL

LIS

18h 40m1 stop

6:30 am - 10:01 pm

LIS

ATL

19h 31m2 stops

$449Multiple Airlines

Wed, Mar 11 - Wed, Mar 18

7:23 pm - 5:45 pm

ATL

LIS

17h 22m2 stops

6:30 am - 7:18 pm

LIS

ATL

17h 48m2 stops

$452American Airlines

Sun, Feb 1 - Tue, Feb 17

10:10 pm - 8:00 pm

ATL

OPO

16h 50m2 stops

8:20 am - 10:01 pm

OPO

ATL

17h 41m2 stops

$453Multiple Airlines

Tue, Mar 3 - Thu, Mar 12

10:10 pm - 9:45 pm

ATL

LIS

18h 35m1 stop

7:05 am - 8:10 pm

LIS

ATL

18h 05m1 stop

$458British Airways

Sun, Feb 1 - Tue, Feb 17

10:10 pm - 9:50 am

ATL

LIS

30h 40m1 stop

7:05 am - 8:10 pm

LIS

ATL

18h 05m1 stop

$460British Airways

Mon, Feb 2 - Tue, Feb 17

8:05 pm - 10:30 pm

ATL

OPO

21h 25m1 stop

6:15 am - 1:55 pm

OPO

ATL

12h 40m1 stop

$465Delta

Mon, Apr 13 - Tue, Apr 21

5:40 pm - 10:30 am

ATL

OPO

11h 50m1 stop

4:10 pm - 4:55 pm

OPO

ATL

29h 45m1 stop

$466KLM

Wed, Feb 18 - Mon, Feb 23

11:45 am - 10:30 am

ATL

OPO

17h 45m2 stops

11:20 am - 8:40 pm

OPO

ATL

13h 20m1 stop

$469Delta

Tue, Mar 3 - Thu, Mar 12

10:45 pm - 7:20 pm

ATL

FAO

15h 35m1 stop

9:15 am - 3:40 pm

FAO

ATL

34h 25m1 stop

$731KLM

Thu, Feb 26 - Sat, Mar 14

Air Canada flights from Atlanta to Portugal

Our best Air Canada deals on Atlanta to Portugal flight tickets

Air Canada

Apr 6

ATL6:10 amAtlanta Hartsfield-Jackson

46h 10m

2 stops

LIS9:20 amLisbon Humberto Delgado

Apr 15

LIS11:25 amLisbon Humberto Delgado

15h 17m

2 stops

ATL9:42 pmAtlanta Hartsfield-Jackson

$466

Find similar

Air Canada

Jan 15

ATL6:30 amAtlanta Hartsfield-Jackson

21h 50m

2 stops

LIS9:20 amLisbon Humberto Delgado

Jan 23

LIS11:20 amLisbon Humberto Delgado

35h 47m

2 stops

ATL6:07 pmAtlanta Hartsfield-Jackson

$570

Find similar

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Jan 14

ATL6:00 amAtlanta Hartsfield-Jackson

27h 50m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Feb 17

LIS4:00 pmLisbon Humberto Delgado

33h 10m

1 stop

ATL8:10 pmAtlanta Hartsfield-Jackson

$455

Find similar

British Airways

Feb 3

ATL10:10 pmAtlanta Hartsfield-Jackson

33h 00m

1 stop

LIS12:10 pmLisbon Humberto Delgado

Feb 10

LIS7:40 pmLisbon Humberto Delgado

29h 30m

1 stop

ATL8:10 pmAtlanta Hartsfield-Jackson

$457

Find similar

British Airways

Jan 14

ATL6:00 amAtlanta Hartsfield-Jackson

25h 10m

2 stops

LIS12:10 pmLisbon Humberto Delgado

Jan 19

LIS12:55 pmLisbon Humberto Delgado

40h 03m

2 stops

ATL11:58 pmAtlanta Hartsfield-Jackson

$458

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 2/2

10:10 pm-9:55 pm

1 stop18h 45m

Lisbon Humberto Delgado

Tue 2/17

6:30 am-7:18 pm

2 stops17h 48m

$448

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 3/11

11:10 pm-9:50 pm

1 stop18h 40m

Lisbon Humberto Delgado

Wed 3/18

6:30 am-10:01 pm

2 stops19h 31m

$449

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 2/1

7:23 pm-5:45 pm

2 stops17h 22m

Lisbon Humberto Delgado

Tue 2/17

6:30 am-7:18 pm

2 stops17h 48m

$452

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

10:10 pm-8:00 pm

2 stops16h 50m

Porto

Thu 3/12

8:20 am-10:01 pm

2 stops17h 41m

$453

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 2/1

10:10 pm-9:45 pm

1 stop18h 35m

Lisbon Humberto Delgado

Tue 2/17

7:05 am-8:10 pm

1 stop18h 05m

$458

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 2/2

10:10 pm-9:50 am

1 stop30h 40m

Lisbon Humberto Delgado

Tue 2/17

7:05 am-8:10 pm

1 stop18h 05m

$460

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/13

8:05 pm-10:30 pm

1 stop21h 25m

Porto

Tue 4/21

6:15 am-1:55 pm

1 stop12h 40m

$465

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 2/18

5:40 pm-10:30 am

1 stop11h 50m

Porto

Mon 2/23

4:10 pm-4:55 pm

1 stop29h 45m

$466

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

11:45 am-10:30 am

2 stops17h 45m

Porto

Thu 3/12

11:20 am-8:40 pm

1 stop13h 20m

$469

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Thu 2/26

10:45 pm-7:20 pm

1 stop15h 35m

Faro

Sat 3/14

9:15 am-3:40 pm

1 stop34h 25m

$731

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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 $657, 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 $692.

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 $893 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 $830 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 60% 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 55m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 9h 55m

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 January 2026, 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 1,633 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $514	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
Lufthansa	PriceFrom $521	Free Cancellation	Rating 6.8 7,685 reviews	Search Lufthansa flights
United Airlines	PriceFrom $557	Free Cancellation	Rating 7.4 9,134 reviews	Search United Airlines flights
British Airways	PriceFrom $561	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $584	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $613	Free Cancellation	Rating 7.9 8,018 reviews	Search Delta flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 10,598 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,152 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $669	Free Cancellation	Rating 7.2 11,083 reviews	Search American 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

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.

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $389

Flights to Portofrom $320

Flights to Funchalfrom $395

Flights to Farofrom $378

Flights to Ponta Delgadafrom $422

Flights to Lajesfrom $429

Flights to Hortafrom $543

Flights to Pico Islandfrom $551

Flights to Porto Santofrom $454

Flights to Velasfrom $555

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Buffalo

Flights from Atlanta Hartsfield-Jackson to Omaha Eppley Airfield

Flights from Atlanta Hartsfield-Jackson to Miami

Flights from Atlanta Hartsfield-Jackson to Chicago Midway

Flights from Atlanta Hartsfield-Jackson to Newark

Flights from Atlanta Hartsfield-Jackson to Fort Lauderdale

Cheap flights from Atlanta to Portugal from $194

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 2/24. 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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Air Canada flights from Atlanta to Portugal

Our best Air Canada deals on Atlanta to Portugal flight tickets

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See travel insights to Portugal from

How to get the cheapest flight ticket from Atlanta to Portugal

What is the cheapest month to fly to Portugal?

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 60% 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?

British Airways, Iberia, and KLM 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