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

United Airlines, Lufthansa, and British Airways are the most popular carriers 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 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.

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 February 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.

$246 Cheap Flights from Atlanta to Portugal in 2026

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Find the cheapest flights from Atlanta to Portugal

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 3:10 pm

ATL

LIS

17h 50m

2 stops

5:00 am - 2:35 pm

LIS

ATL

13h 35m

1 stop

$517Delta

Tue, Mar 3 - Thu, Mar 12

4:30 pm - 2:55 pm

ATL

LIS

17h 25m

1 stop

5:35 am - 5:25 pm

LIS

ATL

16h 50m

1 stop

$518Delta

Mon, Apr 13 - Tue, Apr 21

12:23 pm - 10:55 am

ATL

LIS

17h 32m

2 stops

11:55 am - 8:25 pm

LIS

ATL

13h 30m

1 stop

$521Delta

Mon, Apr 13 - Wed, Apr 29

5:45 am - 10:30 am

ATL

LIS

23h 45m

1 stop

10:25 am - 11:59 pm

LIS

ATL

18h 34m

2 stops

$522United Airlines

Sun, Apr 19 - Tue, May 5

11:30 am - 8:10 am

ATL

LIS

15h 40m

2 stops

5:00 am - 9:56 pm

LIS

ATL

20h 56m

2 stops

$523United Airlines

Mon, Mar 2 - Tue, Mar 10

10:45 am - 8:55 am

ATL

LIS

17h 10m

1 stop

8:20 am - 10:01 pm

LIS

ATL

17h 41m

2 stops

$525American Airlines

Wed, Mar 4 - Wed, Mar 11

10:50 am - 8:55 am

ATL

LIS

17h 05m

2 stops

8:20 am - 10:01 pm

LIS

ATL

17h 41m

2 stops

$529American Airlines

Wed, Mar 4 - Wed, Mar 11

6:40 pm - 10:30 am

ATL

OPO

11h 50m

1 stop

6:50 pm - 2:00 pm

OPO

ATL

24h 10m

1 stop

$550KLM

Mon, Mar 23 - Tue, Mar 31

11:10 pm - 3:10 pm

ATL

FNC

36h 00m

1 stop

7:00 pm - 8:30 pm

FNC

ATL

30h 30m

1 stop

$567British Airways

Mon, Mar 23 - Mon, Mar 30

10:30 pm - 11:25 am

ATL

FNC

31h 55m

1 stop

7:00 pm - 8:35 pm

FNC

ATL

30h 35m

1 stop

$569British Airways

Sun, Apr 12 - Mon, Apr 20

American Airlines flights from Atlanta to Portugal

Our best American Airlines deals on Atlanta to Portugal flight tickets

American Airlines

Mar 4

ATL10:45 amAtlanta Hartsfield-Jackson

17h 10m

1 stop

LIS8:55 amLisbon Humberto Delgado

Mar 11

LIS8:20 amLisbon Humberto Delgado

17h 41m

2 stops

ATL10:01 pmAtlanta Hartsfield-Jackson

$525

American Airlines

Mar 4

ATL10:50 amAtlanta Hartsfield-Jackson

17h 05m

2 stops

LIS8:55 amLisbon Humberto Delgado

Mar 11

LIS8:20 amLisbon Humberto Delgado

17h 41m

2 stops

ATL10:01 pmAtlanta Hartsfield-Jackson

$529

American Airlines

Mar 4

ATL6:02 amAtlanta Hartsfield-Jackson

21h 53m

1 stop

LIS8:55 amLisbon Humberto Delgado

Mar 11

LIS11:05 amLisbon Humberto Delgado

16h 43m

1 stop

ATL11:48 pmAtlanta Hartsfield-Jackson

$538

Finnair flights from Atlanta to Portugal

Our best Finnair deals on Atlanta to Portugal flight tickets

Finnair

Apr 8

ATL5:33 pmAtlanta Hartsfield-Jackson

24h 52m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Apr 15

LIS6:35 amLisbon Humberto Delgado

20h 23m

2 stops

ATL9:58 pmAtlanta Hartsfield-Jackson

$533

Finnair

Apr 22

ATL5:33 pmAtlanta Hartsfield-Jackson

24h 52m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Apr 29

LIS6:35 amLisbon Humberto Delgado

20h 23m

2 stops

ATL9:58 pmAtlanta Hartsfield-Jackson

$534

Finnair

Mar 2

ATL2:19 pmAtlanta Hartsfield-Jackson

28h 06m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Mar 13

LIS6:30 amLisbon Humberto Delgado

19h 23m

2 stops

ATL9:53 pmAtlanta Hartsfield-Jackson

$544

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/3

4:20 pm-3:10 pm

2 stops17h 50m

Lisbon Humberto Delgado

Thu 3/12

5:00 am-2:35 pm

1 stop13h 35m

$517

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/13

4:30 pm-2:55 pm

1 stop17h 25m

Lisbon Humberto Delgado

Tue 4/21

5:35 am-5:25 pm

1 stop16h 50m

$518

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/13

12:23 pm-10:55 am

2 stops17h 32m

Lisbon Humberto Delgado

Wed 4/29

11:55 am-8:25 pm

1 stop13h 30m

$521

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/19

5:45 am-10:30 am

1 stop23h 45m

Lisbon Humberto Delgado

Tue 5/5

10:25 am-11:59 pm

2 stops18h 34m

$522

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

11:30 am-8:10 am

2 stops15h 40m

Lisbon Humberto Delgado

Tue 3/10

5:00 am-9:56 pm

2 stops20h 56m

$523

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 3/4

10:45 am-8:55 am

1 stop17h 10m

Lisbon Humberto Delgado

Wed 3/11

8:20 am-10:01 pm

2 stops17h 41m

$525

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 3/4

10:50 am-8:55 am

2 stops17h 05m

Lisbon Humberto Delgado

Wed 3/11

8:20 am-10:01 pm

2 stops17h 41m

$529

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 3/23

6:40 pm-10:30 am

1 stop11h 50m

Porto

Tue 3/31

6:50 pm-2:00 pm

1 stop24h 10m

$550

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Mon 3/23

11:10 pm-3:10 pm

1 stop36h 00m

Funchal Madeira

Mon 3/30

7:00 pm-8:30 pm

1 stop30h 30m

$567

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 4/12

10:30 pm-11:25 am

1 stop31h 55m

Funchal Madeira

Mon 4/20

7:00 pm-8:35 pm

1 stop30h 35m

$569

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

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 $665.

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 $884 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 $800 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 1% 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 45m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 9h 45m

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 February 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
Virgin Atlantic	PriceFrom $480	Free Cancellation	Rating 7.5 679 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $484	Free Cancellation	Rating 7.3 1,693 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $496	Free Cancellation	Rating 6.8 7,802 reviews	Search Lufthansa flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,457 reviews	Search KLM flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 7,757 reviews	Search British Airways flights
United Airlines	PriceFrom $529	Free Cancellation	Rating 7.4 9,341 reviews	Search United Airlines flights
Air France	PriceFrom $564	Free Cancellation	Rating 7.4 1,536 reviews	Search Air France flights
Delta	PriceFrom $583	Free Cancellation	Rating 7.9 8,241 reviews	Search Delta flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 10,736 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,229 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.

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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Popular cities

Other flights from Atlanta

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $386

Flights to Portofrom $364

Flights to Funchalfrom $465

Flights to Farofrom $406

Flights to Ponta Delgadafrom $450

Flights to Lajesfrom $560

Flights to Pico Islandfrom $562

Flights to Hortafrom $549

Flights to Porto Santofrom $828

Flights to Velasfrom $578

Cheap flights from Atlanta to Portugal from $246

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 3/23. 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

Filter for what you want

Filter for what you want

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American Airlines flights from Atlanta to Portugal

Our best American Airlines deals on Atlanta to Portugal flight tickets

Finnair flights from Atlanta to Portugal

Our best Finnair 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?

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

Can stopping save me money on Atlanta to Portugal flights?

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

What airlines fly to Portugal?

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

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

Atlanta flight routes

According to popular flight searches on momondo this year

Portugal flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Portugal

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Portugal

List of cabin classes available on flights landing in Portugal. Availability may vary depending on flight origin and airline.

Complete your trip to Portugal

Explore popular destinations other users love

According to popular flight searches on momondo this year