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, Lufthansa, and Turkish Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portugal

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.

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 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 December 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.

$222 Cheap Flights from Atlanta to Portugal in 2025/26

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8:05 am - 11:40 am

ATL

LIS

22h 35m1 stop

6:45 pm - 8:51 am

LIS

ATL

19h 06m1 stop

$476Multiple Airlines

Wed, Jan 14 - Wed, Jan 21

3:26 pm - 11:40 am

ATL

LIS

15h 14m2 stops

6:45 pm - 7:53 am

LIS

ATL

18h 08m1 stop

$495Multiple Airlines

Wed, Jan 14 - Wed, Jan 21

5:30 am - 8:10 am

ATL

LIS

21h 40m2 stops

5:00 am - 2:30 pm

LIS

ATL

14h 30m1 stop

$504United Airlines

Mon, Jan 5 - Wed, Jan 21

2:39 pm - 8:10 am

ATL

LIS

12h 31m2 stops

5:00 am - 3:30 pm

LIS

ATL

14h 30m1 stop

$507United Airlines

Mon, Mar 2 - Tue, Mar 10

9:00 am - 8:00 am

ATL

LIS

18h 00m1 stop

5:00 am - 1:35 pm

LIS

ATL

13h 35m1 stop

$510Delta

Tue, Jan 13 - Tue, Jan 20

11:45 pm - 9:30 am

ATL

FNC

29h 45m1 stop

10:25 am - 2:35 pm

FNC

ATL

32h 10m1 stop

$516KLM

Tue, Mar 10 - Mon, Mar 16

11:10 pm - 11:20 am

ATL

FNC

32h 10m1 stop

4:00 pm - 9:10 pm

FNC

ATL

33h 10m1 stop

$560British Airways

Wed, Mar 11 - Wed, Mar 18

11:10 pm - 2:15 pm

ATL

FNC

35h 05m1 stop

12:25 pm - 9:10 pm

FNC

ATL

36h 45m1 stop

$562British Airways

Sun, Mar 8 - Mon, Mar 16

5:15 pm - 5:10 pm

ATL

FNC

18h 55m1 stop

10:20 am - 1:35 pm

FNC

ATL

32h 15m1 stop

$566KLM

Thu, Feb 19 - Thu, Feb 26

11:02 am - 10:30 am

ATL

OPO

18h 28m2 stops

11:15 am - 9:45 pm

OPO

ATL

14h 30m1 stop

$581Delta

Tue, Mar 3 - Thu, Mar 12

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

Lufthansa

Feb 11

ATL4:55 pmAtlanta Hartsfield-Jackson

22h 05m

1 stop

LIS8:00 pmLisbon Humberto Delgado

Feb 19

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$497

Find similar

Lufthansa

Mar 11

ATL5:55 pmAtlanta Hartsfield-Jackson

13h 40m

1 stop

LIS11:35 amLisbon Humberto Delgado

Mar 25

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL3:30 pmAtlanta Hartsfield-Jackson

$503

Find similar

Lufthansa

Jan 12

ATL4:55 pmAtlanta Hartsfield-Jackson

16h 55m

1 stop

LIS2:50 pmLisbon Humberto Delgado

Jan 27

LIS6:30 pmLisbon Humberto Delgado

25h 00m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$515

Find similar

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets

United Airlines

Jan 5

ATL5:30 amAtlanta Hartsfield-Jackson

21h 40m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 21

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$504

Find similar

United Airlines

Mar 2

ATL2:39 pmAtlanta Hartsfield-Jackson

12h 31m

2 stops

LIS8:10 amLisbon Humberto Delgado

Mar 13

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL3:30 pmAtlanta Hartsfield-Jackson

$507

Find similar

United Airlines

Jan 13

ATL12:55 pmAtlanta Hartsfield-Jackson

15h 25m

1 stop

LIS9:20 amLisbon Humberto Delgado

Jan 20

LIS11:20 amLisbon Humberto Delgado

37h 39m

2 stops

ATL7:59 pmAtlanta Hartsfield-Jackson

$509

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 1/14

8:05 am-11:40 am

1 stop22h 35m

Lisbon Humberto Delgado

Wed 1/21

6:45 pm-8:51 am

1 stop19h 06m

$476

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 1/14

3:26 pm-11:40 am

2 stops15h 14m

Lisbon Humberto Delgado

Wed 1/21

6:45 pm-7:53 am

1 stop18h 08m

$495

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 1/5

5:30 am-8:10 am

2 stops21h 40m

Lisbon Humberto Delgado

Wed 1/21

5:00 am-2:30 pm

1 stop14h 30m

$504

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-3:30 pm

1 stop14h 30m

$507

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 1/13

9:00 am-8:00 am

1 stop18h 00m

Lisbon Humberto Delgado

Tue 1/20

5:00 am-1:35 pm

1 stop13h 35m

$510

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Tue 3/10

11:45 pm-9:30 am

1 stop29h 45m

Funchal Madeira

Mon 3/16

10:25 am-2:35 pm

1 stop32h 10m

$516

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Wed 3/11

11:10 pm-11:20 am

1 stop32h 10m

Funchal Madeira

Wed 3/18

4:00 pm-9:10 pm

1 stop33h 10m

$560

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 3/8

11:10 pm-2:15 pm

1 stop35h 05m

Funchal Madeira

Mon 3/16

12:25 pm-9:10 pm

1 stop36h 45m

$562

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Thu 2/19

5:15 pm-5:10 pm

1 stop18h 55m

Funchal Madeira

Thu 2/26

10:20 am-1:35 pm

1 stop32h 15m

$566

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 3/3

11:02 am-10:30 am

2 stops18h 28m

Porto

Thu 3/12

11:15 am-9:45 pm

1 stop14h 30m

$581

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 February. Flight prices, which tend to average around $688, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Portugal from Atlanta during January instead. Flights to Portugal in January, while not as cheap as those in February, still average around $711.

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 $902 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 $846 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 46% 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 36m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 9h 36m

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 December 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 1,605 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $527	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.7 1,432 reviews	Search KLM flights
British Airways	PriceFrom $581	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom $584	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $585	Free Cancellation	Rating 7.4 9,094 reviews	Search United Airlines flights
Delta	PriceFrom $613	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,090 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $653	Free Cancellation	Rating 7.2 11,049 reviews	Search American Airlines flights
Air France	PriceFrom $669	Free Cancellation	Rating 7.4 1,504 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 $366

Flights to Portofrom $346

Flights to Funchalfrom $418

Flights to Farofrom $409

Flights to Ponta Delgadafrom $403

Flights to Lajesfrom $484

Flights to Hortafrom $576

Flights to Pico Islandfrom $561

Flights to Porto Santofrom $554

Flights to Velasfrom $612

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Tampa

Flights from Atlanta Hartsfield-Jackson to Baltimore/Washington

Flights from Atlanta Hartsfield-Jackson to Memphis

Flights from Atlanta Hartsfield-Jackson to Jacksonville

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

Flights from Atlanta Hartsfield-Jackson to Indianapolis

Cheap flights from Atlanta to Portugal from $220

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 3/10. 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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Find the cheapest flights from Atlanta to Portugal

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Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets

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Use the filters below to find and compare flights from Atlanta to Portugal that are best for you.

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?

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 46% 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, Lufthansa, and Turkish Airlines 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