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

KLM 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.

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.

$260 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.

7:25 pm - 8:40 am

ATL

OPO

32h 15m

1 stop

11:50 am - 5:25 pm

OPO

ATL

34h 35m

1 stop

$498Scandinavian Airlines

jue., abr. 9 - mié., abr. 15

7:25 pm - 8:40 am

ATL

OPO

32h 15m

1 stop

11:50 am - 5:25 pm

OPO

ATL

34h 35m

1 stop

$503Scandinavian Airlines

jue., abr. 9 - mié., abr. 15

1:45 pm - 11:20 am

ATL

LIS

16h 35m

2 stops

11:25 am - 9:45 pm

LIS

ATL

14h 20m

1 stop

$517Delta

lun., feb. 23 - mar., mar. 10

9:50 pm - 5:50 pm

ATL

LIS

15h 00m

1 stop

5:35 am - 5:25 pm

LIS

ATL

16h 50m

1 stop

$518Delta

lun., abr. 13 - mié., abr. 22

4:50 pm - 10:35 am

ATL

LIS

13h 45m

1 stop

11:25 am - 9:45 pm

LIS

ATL

14h 20m

1 stop

$519KLM

mar., mar. 10 - mar., mar. 17

5:45 am - 8:20 am

ATL

LIS

21h 35m

2 stops

5:05 am - 11:59 pm

LIS

ATL

23h 54m

2 stops

$525United Airlines

lun., abr. 13 - mié., abr. 29

2:39 pm - 8:10 am

ATL

LIS

12h 31m

2 stops

10:15 am - 5:59 pm

LIS

ATL

12h 44m

1 stop

$532United Airlines

mar., feb. 24 - vie., mar. 6

9:10 pm - 6:50 pm

ATL

OPO

17h 40m

1 stop

7:00 pm - 2:00 pm

OPO

ATL

24h 00m

1 stop

$557KLM

lun., mar. 16 - lun., mar. 30

11:10 pm - 11:20 am

ATL

FNC

32h 10m

1 stop

4:00 pm - 9:10 pm

FNC

ATL

33h 10m

1 stop

$567British Airways

mié., mar. 18 - mié., mar. 25

10:30 pm - 7:05 pm

ATL

OPO

15h 35m

1 stop

8:20 am - 7:27 pm

OPO

ATL

16h 07m

2 stops

$574British Airways

mié., abr. 8 - mié., abr. 15

Delta flights from Atlanta to Portugal

Our best Delta deals on Atlanta to Portugal flight tickets

Delta

Feb 23

ATL1:45 pmAtlanta Hartsfield-Jackson

16h 35m

2 stops

LIS11:20 amLisbon Humberto Delgado

Mar 10

LIS11:25 amLisbon Humberto Delgado

14h 20m

1 stop

ATL9:45 pmAtlanta Hartsfield-Jackson

$517

Delta

Apr 13

ATL9:50 pmAtlanta Hartsfield-Jackson

15h 00m

1 stop

LIS5:50 pmLisbon Humberto Delgado

Apr 22

LIS5:35 amLisbon Humberto Delgado

16h 50m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$518

Delta

Feb 18

ATL10:55 pmAtlanta Hartsfield-Jackson

13h 35m

1 stop

LIS5:30 pmLisbon Humberto Delgado

Apr 15

LIS5:35 amLisbon Humberto Delgado

16h 50m

1 stop

ATL5:25 pmAtlanta Hartsfield-Jackson

$519

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Apr 19

ATL10:30 pmAtlanta Hartsfield-Jackson

19h 35m

1 stop

LIS11:05 pmLisbon Humberto Delgado

Apr 28

LIS1:40 pmLisbon Humberto Delgado

35h 55m

1 stop

ATL8:35 pmAtlanta Hartsfield-Jackson

$533

British Airways

Apr 14

ATL10:30 pmAtlanta Hartsfield-Jackson

30h 35m

1 stop

LIS10:05 amLisbon Humberto Delgado

Apr 22

LIS7:20 amLisbon Humberto Delgado

18h 15m

1 stop

ATL8:35 pmAtlanta Hartsfield-Jackson

$535

British Airways

Mar 22

ATL11:10 pmAtlanta Hartsfield-Jackson

30h 40m

1 stop

LIS9:50 amLisbon Humberto Delgado

Mar 31

LIS6:45 pmLisbon Humberto Delgado

30h 50m

1 stop

ATL8:35 pmAtlanta Hartsfield-Jackson

$536

Fly from

Fly to

Route

Depart

Return

Price

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

jue. 4/9

7:25 pm-8:40 am

1 stop32h 15m

Porto

mié. 4/15

11:50 am-5:25 pm

1 stop34h 35m

$498

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

jue. 4/9

7:25 pm-8:40 am

1 stop32h 15m

Porto

mié. 4/15

11:50 am-5:25 pm

1 stop34h 35m

$503

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

lun. 2/23

1:45 pm-11:20 am

2 stops16h 35m

Lisbon Humberto Delgado

mar. 3/10

11:25 am-9:45 pm

1 stop14h 20m

$517

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

lun. 4/13

9:50 pm-5:50 pm

1 stop15h 00m

Lisbon Humberto Delgado

mié. 4/22

5:35 am-5:25 pm

1 stop16h 50m

$518

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mar. 3/10

4:50 pm-10:35 am

1 stop13h 45m

Lisbon Humberto Delgado

mar. 3/17

11:25 am-9:45 pm

1 stop14h 20m

$519

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

lun. 4/13

5:45 am-8:20 am

2 stops21h 35m

Lisbon Humberto Delgado

mié. 4/29

5:05 am-11:59 pm

2 stops23h 54m

$525

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mar. 2/24

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

vie. 3/6

10:15 am-5:59 pm

1 stop12h 44m

$532

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 3/16

9:10 pm-6:50 pm

1 stop17h 40m

Porto

lun. 3/30

7:00 pm-2:00 pm

1 stop24h 00m

$557

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

mié. 3/18

11:10 pm-11:20 am

1 stop32h 10m

Funchal Madeira

mié. 3/25

4:00 pm-9:10 pm

1 stop33h 10m

$567

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

mié. 4/8

10:30 pm-7:05 pm

1 stop15h 35m

Porto

mié. 4/15

8:20 am-7:27 pm

2 stops16h 07m

$574

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 $666.

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 29% 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	10h 40m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 10h 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 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 7.5 678 reviews	Search Virgin Atlantic flights
Scandinavian Airlines	PriceFrom $484	Free Cancellation	Rating 7.3 1,688 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,456 reviews	Search KLM flights
Lufthansa	PriceFrom $516	Free Cancellation	Rating 6.8 7,787 reviews	Search Lufthansa flights
United Airlines	PriceFrom $530	Free Cancellation	Rating 7.4 9,311 reviews	Search United Airlines flights
British Airways	PriceFrom $531	Free Cancellation	Rating 6.7 7,751 reviews	Search British Airways flights
Air France	PriceFrom $564	Free Cancellation	Rating 7.4 1,533 reviews	Search Air France flights
Delta	PriceFrom $583	Free Cancellation	Rating 7.9 8,205 reviews	Search Delta flights
Air Canada	PriceFrom $629	Free Cancellation	Rating 7.1 10,730 reviews	Search Air Canada flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,221 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.

Start using Trips

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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 $389

Flights to Portofrom $364

Flights to Funchalfrom $427

Flights to Farofrom $430

Flights to Ponta Delgadafrom $450

Flights to Lajesfrom $535

Flights to Pico Islandfrom $577

Flights to Hortafrom $629

Flights to Porto Santofrom $552

Flights to Velasfrom $601

Cheap flights from Atlanta to Portugal from $260

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 4/27. 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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Delta flights from Atlanta to Portugal

Our best Delta 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?

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