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

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

What airlines fly to Portugal?

Delta, United Airlines and British Airways are the top three most popular airlines that fly to Portugal from Atlanta according to our data. Delta is the first choice among our users, with 41% 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 September 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.

$273 Cheap Flights from Atlanta to Portugal in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

7:29 pm - 7:30 amATL Atlanta Hartsfield-Jackson-OPO Porto

31h 01m2 stops Miami Lisbon Humberto Delgado

10:30 am - 7:30 amOPO Porto-ATL Atlanta Hartsfield-Jackson

26h 00m2 stops Lisbon Humberto Delgado Miami

$530Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

7:47 pm - 11:50 pmATL Atlanta Hartsfield-Jackson-FAO Faro

23h 03m2 stops Miami Lisbon Humberto Delgado

6:05 am - 1:04 amFAO Faro-ATL Atlanta Hartsfield-Jackson

23h 59m2 stops Lisbon Humberto Delgado Miami

$531Multiple Airlines

Sun, Nov 1 - Fri, Nov 13

9:23 am - 9:30 amATL Atlanta Hartsfield-Jackson-OPO Porto

19h 07m2 stops Chicago O'Hare Intl Newark

12:35 pm - 12:35 amOPO Porto-ATL Atlanta Hartsfield-Jackson

17h 00m2 stops Newark Washington, D.C. Dulles Intl

$558United Airlines

Mon, Nov 9 - Wed, Nov 25

2:41 pm - 9:30 amATL Atlanta Hartsfield-Jackson-OPO Porto

13h 49m2 stops Washington, D.C. Dulles Intl Newark

12:35 pm - 10:45 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

15h 10m1 stop Newark

$565United Airlines

Tue, Nov 17 - Wed, Nov 25

11:30 am - 8:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

15h 45m1 stop New York John F Kennedy Intl

10:15 am - 9:45 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

16h 30m1 stop New York John F Kennedy Intl

$565Air France

Wed, Nov 18 - Thu, Nov 26

11:30 am - 8:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

15h 45m1 stop New York John F Kennedy Intl

5:00 am - 8:40 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

20h 40m1 stop Amsterdam Schiphol

$570KLM

Wed, Nov 11 - Tue, Nov 17

9:59 am - 8:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

17h 16m1 stop New York John F Kennedy Intl

5:55 am - 9:53 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

20h 58m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

$580Delta

Wed, Nov 11 - Tue, Nov 17

9:59 am - 8:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

17h 16m1 stop New York John F Kennedy Intl

5:00 am - 7:45 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

19h 45m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$580Delta

Wed, Nov 18 - Thu, Nov 26

3:45 pm - 10:35 amATL Atlanta Hartsfield-Jackson-OPO Porto

13h 50m1 stop Paris Charles de Gaulle

5:55 am - 7:42 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

18h 47m1 stop Paris Charles de Gaulle

$589Air France

Sun, Jan 17 - Wed, Mar 10

11:30 am - 8:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

15h 45m1 stop New York John F Kennedy Intl

5:00 am - 3:05 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

15h 05m1 stop Amsterdam Schiphol

$619KLM

Sun, Nov 15 - Sat, Feb 13

Cheap last minute flights

Enter your travel dates to find the best prices.

6:15 pm - 2:55 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

15h 40m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

9:50 am - 10:28 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

17h 38m2 stops Paris Charles de Gaulle New York John F Kennedy Intl

$766Delta

Tue, Sep 29 - Wed, Oct 14

11:05 am - 8:50 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

16h 45m2 stops New York John F Kennedy Intl Paris Charles de Gaulle

5:35 am - 8:12 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

19h 37m2 stops Paris Charles de Gaulle Washington, D.C. Dulles Intl

$766Delta

Tue, Sep 29 - Tue, Oct 13

3:05 pm - 9:50 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

37h 45m1 stop Istanbul

5:55 am - 7:45 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

18h 50m1 stop Istanbul

$789Turkish Airlines

Tue, Sep 29 - Wed, Oct 14

11:55 am - 9:05 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

16h 10m1 stop Philadelphia

7:10 am - 8:35 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

18h 25m1 stop London Heathrow

$835British Airways

Tue, Sep 29 - Tue, Oct 13

3:05 pm - 10:00 amATL Atlanta Hartsfield-Jackson-OPO Porto

37h 55m1 stop Istanbul

4:25 pm - 8:45 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

32h 20m1 stop Istanbul

$839Turkish Airlines

Tue, Sep 29 - Thu, Oct 29

7:19 pm - 5:55 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

17h 36m2 stops Charlotte Douglas London Heathrow

7:20 am - 8:41 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

18h 21m2 stops London Heathrow Philadelphia

$931British Airways

Tue, Sep 29 - Fri, Oct 9

6:35 pm - 5:15 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

17h 40m1 stop Miami

7:00 pm - 7:22 amLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

17h 22m1 stop Miami

$983Multiple Airlines

Wed, Sep 30 - Wed, Oct 14

3:55 pm - 3:35 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

18h 40m1 stop Frankfurt am Main

11:25 am - 9:21 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

14h 56m1 stop Montreal Pierre Elliott Trudeau Intl

$990Multiple Airlines

Wed, Sep 30 - Tue, Oct 6

7:11 pm - 7:00 amATL Atlanta Hartsfield-Jackson-OPO Porto

30h 49m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

12:10 pm - 12:23 amOPO Porto-ATL Atlanta Hartsfield-Jackson

41h 13m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,018United Airlines

Sun, Sep 27 - Mon, Oct 5

3:55 pm - 11:15 amATL Atlanta Hartsfield-Jackson-OPO Porto

14h 20m1 stop Frankfurt am Main

12:10 pm - 12:23 amOPO Porto-ATL Atlanta Hartsfield-Jackson

41h 13m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,024United Airlines

Sun, Sep 27 - Mon, Oct 5

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British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Oct 20

ATL10:30 pmAtlanta Hartsfield-Jackson

16h 00m

1 stop

OPO7:30 pmPorto

Oct 27

OPO8:40 pmPorto

29h 18m

2 stops

ATL9:58 pmAtlanta Hartsfield-Jackson

$637

British Airways

Mar 11

ATL10:15 pmAtlanta Hartsfield-Jackson

32h 50m

1 stop

LIS12:05 pmLisbon Humberto Delgado

Mar 20

LIS12:55 pmLisbon Humberto Delgado

36h 20m

1 stop

ATL9:15 pmAtlanta Hartsfield-Jackson

$779

British Airways

Mar 19

ATL11:15 pmAtlanta Hartsfield-Jackson

19h 15m

1 stop

LIS10:30 pmLisbon Humberto Delgado

Mar 24

LIS10:45 amLisbon Humberto Delgado

14h 30m

1 stop

ATL9:15 pmAtlanta Hartsfield-Jackson

$797

Turkish Airlines flights from Atlanta to Portugal

Our best Turkish Airlines deals on Atlanta to Portugal flight tickets

Turkish Airlines

Oct 13

ATL3:05 pmAtlanta Hartsfield-Jackson

27h 15m

1 stop

LIS11:20 pmLisbon Humberto Delgado

Oct 20

LIS5:05 pmLisbon Humberto Delgado

31h 40m

1 stop

ATL7:45 pmAtlanta Hartsfield-Jackson

$788

Turkish Airlines

Sep 29

ATL3:05 pmAtlanta Hartsfield-Jackson

37h 45m

1 stop

LIS9:50 amLisbon Humberto Delgado

Oct 14

LIS5:55 amLisbon Humberto Delgado

18h 50m

1 stop

ATL7:45 pmAtlanta Hartsfield-Jackson

$789

Turkish Airlines

Oct 12

ATL9:50 pmAtlanta Hartsfield-Jackson

20h 45m

1 stop

LIS11:35 pmLisbon Humberto Delgado

Oct 28

LIS11:35 amLisbon Humberto Delgado

37h 10m

1 stop

ATL8:45 pmAtlanta Hartsfield-Jackson

$800

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/11

7:29 pm-7:30 am

2 stops31h 01m

Porto

Wed 11/18

10:30 am-7:30 am

2 stops26h 00m

$530

AtlantaFaro

ATL Atlanta Hartsfield-Jackson - FAO Faro

ATLFAO

Atlanta Hartsfield-Jackson

Sun 11/1

7:47 pm-11:50 pm

2 stops23h 03m

Faro

Fri 11/13

6:05 am-1:04 am

2 stops23h 59m

$531

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/9

9:23 am-9:30 am

2 stops19h 07m

Porto

Wed 11/25

12:35 pm-12:35 am

2 stops17h 00m

$558

Quickest round-trip

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Tue 11/17

2:41 pm-9:30 am

2 stops13h 49m

Porto

Wed 11/25

12:35 pm-10:45 pm

1 stop15h 10m

$565

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

11:30 am-8:15 am

1 stop15h 45m

Porto

Thu 11/26

10:15 am-9:45 pm

1 stop16h 30m

$565

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/11

11:30 am-8:15 am

1 stop15h 45m

Porto

Tue 11/17

5:00 am-8:40 pm

1 stop20h 40m

$570

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/11

9:59 am-8:15 am

1 stop17h 16m

Porto

Tue 11/17

5:55 am-9:53 pm

2 stops20h 58m

$580

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

9:59 am-8:15 am

1 stop17h 16m

Porto

Thu 11/26

5:00 am-7:45 pm

2 stops19h 45m

$580

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 1/17

3:45 pm-10:35 am

1 stop13h 50m

Porto

Wed 3/10

5:55 am-7:42 pm

1 stop18h 47m

$589

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 11/15

11:30 am-8:15 am

1 stop15h 45m

Porto

Sat 2/13

5:00 am-3:05 pm

1 stop15h 05m

$619

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 February. Flight prices, which tend to average around $667, 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 $704.

How far in advance should I book a flight from Atlanta 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 $940 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 $743 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 2% 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

Best Price Found	$273
Fastest flight time	10h 46m
Direct flights	None

The best one-way flight to Portugal from Atlanta in the past 72 hours is $273. The best round-trip flight deal from Atlanta to Portugal found on momondo in the last 72 hours is $530.

The fastest flight from Atlanta to Portugal takes 10h 46m

There are no direct flights from Atlanta to Portugal. There are no popular flight routes from Atlanta to Portugal.

Search flight deals

Frequently asked questions about flying from Atlanta to Portugal

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 September 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 $457	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 8,239 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 1,998 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.4 10,242 reviews	Search United Airlines flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.8 1,578 reviews	Search KLM flights
British Airways	PriceFrom $525	Free Cancellation	Rating 6.7 8,236 reviews	Search British Airways flights
Air France	PriceFrom $564	Free Cancellation	Rating 7.5 1,652 reviews	Search Air France flights
Air Canada	PriceFrom $580	Free Cancellation	Rating 7.1 11,696 reviews	Search Air Canada flights
Delta	PriceFrom $604	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
American Airlines	PriceFrom $643	Free Cancellation	Rating 7.0 12,099 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

Other flights from Atlanta

Other flights to Portugal

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $457

Flights to Portofrom $403

Flights to Funchalfrom $567

Flights to Farofrom $470

Flights to Ponta Delgadafrom $557

Flights to Lajesfrom $559

Flights to Hortafrom $582

Flights to Pico Islandfrom $584

Flights to Porto Santofrom $943

Flights to Velasfrom $586

Cheap flights from Atlanta to Portugal from $273

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 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Atlanta to Portugal

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

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British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

Turkish Airlines flights from Atlanta to Portugal

Our best Turkish Airlines deals on Atlanta to Portugal flight tickets

momondo Fare Finder

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 from Atlanta 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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Atlanta 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?

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