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?

United Airlines is the most popular carrier operating from Atlanta Hartsfield-Jackson to Portugal

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.

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 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.

$215 Cheap Flights from Atlanta to Portugal in 2025/26

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One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:10 pm - 9:20 am

ATL

LIS

15h 10m1 stop

8:20 am - 9:43 pm

LIS

ATL

18h 23m2 stops

$491Multiple Airlines

mié., ene. 21 - mié., ene. 28

6:10 am - 9:20 am

ATL

LIS

22h 10m1 stop

5:00 am - 3:30 pm

LIS

ATL

14h 30m1 stop

$492Multiple Airlines

mié., mar. 4 - mar., mar. 10

6:10 am - 9:20 am

ATL

LIS

22h 10m1 stop

5:00 am - 2:30 pm

LIS

ATL

14h 30m1 stop

$493Multiple Airlines

lun., ene. 19 - mié., feb. 25

5:40 pm - 10:30 am

ATL

OPO

11h 50m1 stop

4:10 pm - 1:35 pm

OPO

ATL

26h 25m1 stop

$549KLM

lun., ene. 19 - lun., feb. 2

1:45 pm - 10:30 am

ATL

OPO

15h 45m2 stops

11:15 am - 9:45 pm

OPO

ATL

14h 30m1 stop

$554Delta

mar., mar. 3 - jue., mar. 12

3:50 pm - 3:25 pm

ATL

OPO

18h 35m1 stop

5:00 am - 8:45 pm

OPO

ATL

20h 45m1 stop

$555KLM

mar., ene. 20 - mar., ene. 27

4:59 pm - 3:25 pm

ATL

OPO

17h 26m2 stops

11:15 am - 8:45 pm

OPO

ATL

14h 30m1 stop

$560Delta

mar., ene. 20 - mar., ene. 27

11:49 am - 3:10 pm

ATL

FNC

22h 21m2 stops

3:05 pm - 6:09 pm

FNC

ATL

31h 04m2 stops

$578British Airways

mar., mar. 3 - mar., mar. 10

10:10 pm - 11:20 am

ATL

FNC

32h 10m1 stop

4:00 pm - 8:10 pm

FNC

ATL

33h 10m1 stop

$580British Airways

mié., ene. 21 - mié., ene. 28

12:42 pm - 11:40 am

ATL

FAO

17h 58m2 stops

1:30 pm - 2:30 pm

FAO

ATL

30h 00m1 stop

$753United Airlines

mié., feb. 4 - dom., feb. 8

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

Lufthansa

Dec 29

ATL7:29 pmAtlanta Hartsfield-Jackson

9h 46m

1 stop

LIS10:15 amLisbon Humberto Delgado

Jan 14

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$462

Find similar

Lufthansa

Dec 29

ATL7:29 pmAtlanta Hartsfield-Jackson

9h 46m

1 stop

LIS10:15 amLisbon Humberto Delgado

Jan 14

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$490

Find similar

Lufthansa

Jan 21

ATL4:55 pmAtlanta Hartsfield-Jackson

13h 40m

1 stop

LIS11:35 amLisbon Humberto Delgado

Jan 28

LIS6:30 pmLisbon Humberto Delgado

25h 00m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$500

Find similar

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Feb 11

ATL10:10 pmAtlanta Hartsfield-Jackson

14h 30m

1 stop

LIS5:40 pmLisbon Humberto Delgado

Feb 17

LIS10:35 amLisbon Humberto Delgado

14h 35m

1 stop

ATL8:10 pmAtlanta Hartsfield-Jackson

$508

Find similar

British Airways

Feb 11

ATL11:38 amAtlanta Hartsfield-Jackson

22h 12m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Feb 25

LIS11:05 amLisbon Humberto Delgado

17h 48m

1 stop

ATL11:53 pmAtlanta Hartsfield-Jackson

$519

Find similar

British Airways

Jan 14

ATL6:00 amAtlanta Hartsfield-Jackson

27h 50m

2 stops

LIS2:50 pmLisbon Humberto Delgado

Jan 19

LIS12:55 pmLisbon Humberto Delgado

40h 03m

2 stops

ATL11:58 pmAtlanta Hartsfield-Jackson

$531

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mié. 1/21

1:10 pm-9:20 am

1 stop15h 10m

Lisbon Humberto Delgado

mié. 1/28

8:20 am-9:43 pm

2 stops18h 23m

$491

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mié. 3/4

6:10 am-9:20 am

1 stop22h 10m

Lisbon Humberto Delgado

mar. 3/10

5:00 am-3:30 pm

1 stop14h 30m

$492

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

lun. 1/19

6:10 am-9:20 am

1 stop22h 10m

Lisbon Humberto Delgado

mié. 2/25

5:00 am-2:30 pm

1 stop14h 30m

$493

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 1/19

5:40 pm-10:30 am

1 stop11h 50m

Porto

lun. 2/2

4:10 pm-1:35 pm

1 stop26h 25m

$549

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

mar. 3/3

1:45 pm-10:30 am

2 stops15h 45m

Porto

jue. 3/12

11:15 am-9:45 pm

1 stop14h 30m

$554

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

mar. 1/20

3:50 pm-3:25 pm

1 stop18h 35m

Porto

mar. 1/27

5:00 am-8:45 pm

1 stop20h 45m

$555

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

mar. 1/20

4:59 pm-3:25 pm

2 stops17h 26m

Porto

mar. 1/27

11:15 am-8:45 pm

1 stop14h 30m

$560

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

mar. 3/3

11:49 am-3:10 pm

2 stops22h 21m

Funchal Madeira

mar. 3/10

3:05 pm-6:09 pm

2 stops31h 04m

$578

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

mié. 1/21

10:10 pm-11:20 am

1 stop32h 10m

Funchal Madeira

mié. 1/28

4:00 pm-8:10 pm

1 stop33h 10m

$580

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

mié. 2/4

12:42 pm-11:40 am

2 stops17h 58m

Faro

dom. 2/8

1:30 pm-2:30 pm

1 stop30h 00m

$753

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 $900 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 46m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 9h 46m

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 1,621 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $521	Free Cancellation	Rating 6.8 7,650 reviews	Search Lufthansa flights
KLM	PriceFrom $529	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights
British Airways	PriceFrom $561	Free Cancellation	Rating 6.7 7,607 reviews	Search British Airways flights
United Airlines	PriceFrom $573	Free Cancellation	Rating 7.4 9,109 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $584	Free Cancellation	Rating 7.5 677 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $613	Free Cancellation	Rating 7.9 8,015 reviews	Search Delta flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,112 reviews	Search Turkish Airlines flights
American Airlines	PriceFrom $663	Free Cancellation	Rating 7.2 11,050 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.

Start using Trips

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jue. 1/22

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $394

Flights to Portofrom $348

Flights to Funchalfrom $421

Flights to Farofrom $421

Flights to Ponta Delgadafrom $411

Flights to Lajesfrom $471

Flights to Hortafrom $580

Flights to Pico Islandfrom $573

Flights to Porto Santofrom $551

Flights to Velasfrom $574

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Memphis

Flights from Atlanta Hartsfield-Jackson to Jacksonville

Flights from Atlanta Hartsfield-Jackson to Baltimore/Washington

Flights from Atlanta Hartsfield-Jackson to Indianapolis

Flights from Atlanta Hartsfield-Jackson to Chicago Midway

Flights from Atlanta Hartsfield-Jackson to Omaha Eppley Airfield

Cheap flights from Atlanta to Portugal from $215

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 3/1. 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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Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

British Airways flights from Atlanta to Portugal

Our best British Airways 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?

United Airlines is the most popular carrier 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