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

United Airlines, Air Canada, 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 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 October 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.

$302 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.

7:14 am - 10:00 amATL Atlanta Hartsfield-Jackson-OPO Porto

21h 46m3 stops Baltimore/Washington Miami Lisbon Humberto Delgado

7:00 am - 1:11 amOPO Porto-ATL Atlanta Hartsfield-Jackson

23h 11m2 stops Lisbon Humberto Delgado Miami

$606Multiple Airlines

Mon, Nov 16 - Sat, Nov 21

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

13h 50m1 stop Paris Charles de Gaulle

5:00 am - 2:57 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

14h 57m1 stop Amsterdam Schiphol

$701Delta

Sun, Jan 17 - Wed, Mar 10

3:50 pm - 10:35 amATL Atlanta Hartsfield-Jackson-OPO Porto

13h 45m1 stop Paris Charles de Gaulle

5:00 am - 5:08 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

17h 08m1 stop Amsterdam Schiphol

$701Multiple Airlines

Sun, Feb 21 - Thu, Mar 4

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

13h 50m1 stop Paris Charles de Gaulle

5:00 am - 2:57 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

14h 57m1 stop Amsterdam Schiphol

$702Delta

Sun, Jan 17 - Wed, Mar 10

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

14h 00m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 11:36 amOPO Porto-ATL Atlanta Hartsfield-Jackson

34h 36m2 stops Frankfurt am Main Toronto Pearson Intl

$709United Airlines

Sun, Feb 21 - Thu, Mar 4

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

15h 45m1 stop New York John F Kennedy Intl

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

15h 00m1 stop Amsterdam Schiphol

$720KLM

Wed, Nov 18 - Wed, Dec 9

10:45 am - 9:30 amATL Atlanta Hartsfield-Jackson-OPO Porto

17h 45m1 stop Newark

6:00 am - 7:52 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

18h 52m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$721United Airlines

Mon, Nov 23 - Tue, Dec 8

8:10 pm - 3:25 pmATL Atlanta Hartsfield-Jackson-OPO Porto

14h 15m1 stop Amsterdam Schiphol

11:15 am - 8:40 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

14h 25m1 stop Amsterdam Schiphol

$729KLM

Mon, Jan 4 - Wed, Jan 13

6:25 pm - 9:20 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

33h 55m2 stops Newark Toronto Pearson Intl

11:20 am - 11:08 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

16h 48m1 stop Toronto Pearson Intl

$759Air Canada

Sat, Jan 23 - Wed, Feb 10

12:55 pm - 9:20 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

39h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

11:20 am - 9:21 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

15h 01m1 stop Toronto Pearson Intl

$759Air Canada

Sat, Jan 9 - Wed, Jan 20

Cheap last minute flights

Enter your travel dates to find the best prices.

1:05 pm - 9:20 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

15h 15m1 stop Montreal Pierre Elliott Trudeau Intl

5:00 am - 2:40 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

14h 40m1 stop Frankfurt am Main

$762Multiple Airlines

Tue, Oct 20 - Wed, Nov 4

2:40 pm - 8:20 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

12h 40m2 stops Washington, D.C. Dulles Intl Newark

5:00 am - 2:40 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

14h 40m1 stop Frankfurt am Main

$776Multiple Airlines

Tue, Oct 20 - Wed, Nov 4

1:23 pm - 10:20 amATL Atlanta Hartsfield-Jackson-OPO Porto

15h 57m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

4:15 pm - 3:40 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

27h 25m1 stop Frankfurt am Main

$844Lufthansa

Wed, Oct 21 - Tue, Oct 27

4:30 pm - 3:25 pmATL Atlanta Hartsfield-Jackson-OPO Porto

17h 55m1 stop Paris Charles de Gaulle

5:00 am - 9:40 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

20h 40m1 stop Amsterdam Schiphol

$868Delta

Wed, Oct 21 - Wed, Oct 28

4:41 pm - 3:25 pmATL Atlanta Hartsfield-Jackson-OPO Porto

17h 44m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

11:15 am - 9:40 pmOPO Porto-ATL Atlanta Hartsfield-Jackson

14h 25m1 stop Amsterdam Schiphol

$873Delta

Wed, Oct 21 - Wed, Oct 28

9:29 am - 9:45 amATL Atlanta Hartsfield-Jackson-OPO Porto

19h 16m1 stop Newark

12:35 pm - 10:09 amOPO Porto-ATL Atlanta Hartsfield-Jackson

25h 34m2 stops Frankfurt am Main Chicago O'Hare Intl

$878United Airlines

Wed, Oct 21 - Wed, Oct 28

2:40 pm - 9:45 amATL Atlanta Hartsfield-Jackson-OPO Porto

14h 05m2 stops Washington, D.C. Dulles Intl Newark

6:00 am - 12:35 amOPO Porto-ATL Atlanta Hartsfield-Jackson

22h 35m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$878United Airlines

Wed, Oct 21 - Tue, Oct 27

12:22 pm - 2:30 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

21h 08m2 stops Charlotte Douglas London Heathrow

10:55 am - 8:21 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

13h 26m1 stop Philadelphia

$992British Airways

Tue, Oct 20 - Sat, Oct 31

9:50 am - 10:30 amATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

19h 40m1 stop Washington, D.C. Dulles Intl

3:45 pm - 3:40 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

27h 55m1 stop Frankfurt am Main

$2,313Lufthansa

Tue, Oct 20 - Fri, Oct 30

4:46 pm - 2:30 pmATL Atlanta Hartsfield-Jackson-LIS Lisbon Humberto Delgado

16h 44m2 stops Chicago O'Hare Intl London Heathrow

6:55 pm - 8:08 pmLIS Lisbon Humberto Delgado-ATL Atlanta Hartsfield-Jackson

29h 13m2 stops London Heathrow Miami

$2,966British Airways

Tue, Oct 20 - Fri, Oct 30

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British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Mar 3

ATL10:15 pmAtlanta Hartsfield-Jackson

14h 30m

1 stop

LIS5:45 pmLisbon Humberto Delgado

Mar 22

LIS12:55 pmLisbon Humberto Delgado

36h 20m

1 stop

ATL9:15 pmAtlanta Hartsfield-Jackson

$760

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

$796

British Airways

Oct 26

ATL2:19 pmAtlanta Hartsfield-Jackson

14h 46m

1 stop

LIS9:05 amLisbon Humberto Delgado

Nov 5

LIS11:05 amLisbon Humberto Delgado

17h 43m

1 stop

ATL11:48 pmAtlanta Hartsfield-Jackson

$799

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa deals on Atlanta to Portugal flight tickets

Lufthansa

Nov 15

ATL4:30 pmAtlanta Hartsfield-Jackson

14h 05m

1 stop

LIS11:35 amLisbon Humberto Delgado

Nov 22

LIS5:00 amLisbon Humberto Delgado

14h 40m

1 stop

ATL2:40 pmAtlanta Hartsfield-Jackson

$764

Lufthansa

Mar 13

ATL7:35 pmAtlanta Hartsfield-Jackson

35h 00m

2 stops

LIS11:35 amLisbon Humberto Delgado

Mar 25

LIS5:00 amLisbon Humberto Delgado

14h 40m

1 stop

ATL3:40 pmAtlanta Hartsfield-Jackson

$771

Lufthansa

Apr 9

ATL7:35 pmAtlanta Hartsfield-Jackson

22h 10m

2 stops

LIS10:45 pmLisbon Humberto Delgado

Apr 30

LIS5:05 amLisbon Humberto Delgado

13h 40m

1 stop

ATL1:45 pmAtlanta Hartsfield-Jackson

$793

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/16

7:14 am-10:00 am

3 stops21h 46m

Porto

Sat 11/21

7:00 am-1:11 am

2 stops23h 11m

$606

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

5:00 am-2:57 pm

1 stop14h 57m

$701

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 2/21

3:50 pm-10:35 am

1 stop13h 45m

Porto

Thu 3/4

5:00 am-5:08 pm

1 stop17h 08m

$701

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

5:00 am-2:57 pm

1 stop14h 57m

$702

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Sun 2/21

2:30 pm-9:30 am

2 stops14h 00m

Porto

Thu 3/4

6:00 am-11:36 am

2 stops34h 36m

$709

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Wed 11/18

11:30 am-8:15 am

1 stop15h 45m

Porto

Wed 12/9

5:00 am-3:00 pm

1 stop15h 00m

$720

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/23

10:45 am-9:30 am

1 stop17h 45m

Porto

Tue 12/8

6:00 am-7:52 pm

2 stops18h 52m

$721

Quickest round-trip

AtlantaPorto

ATL Atlanta Hartsfield-Jackson - OPO Porto

ATLOPO

Atlanta Hartsfield-Jackson

Mon 1/4

8:10 pm-3:25 pm

1 stop14h 15m

Porto

Wed 1/13

11:15 am-8:40 pm

1 stop14h 25m

$729

AtlantaLisbon

ATL Atlanta Hartsfield-Jackson - LIS Lisbon Humberto Delgado

ATLLIS

Atlanta Hartsfield-Jackson

Sat 1/23

6:25 pm-9:20 am

2 stops33h 55m

Lisbon Humberto Delgado

Wed 2/10

11:20 am-11:08 pm

1 stop16h 48m

$759

AtlantaLisbon

ATL Atlanta Hartsfield-Jackson - LIS Lisbon Humberto Delgado

ATLLIS

Atlanta Hartsfield-Jackson

Sat 1/9

12:55 pm-9:20 am

2 stops39h 25m

Lisbon Humberto Delgado

Wed 1/20

11:20 am-9:21 pm

1 stop15h 01m

$759

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 $671, 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 $712.

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 $944 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 28% 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	$302
Fastest flight time	9h 46m
Direct flights	None

The best one-way flight to Portugal from Atlanta in the past 72 hours is $302. The best round-trip flight deal from Atlanta to Portugal found on momondo in the last 72 hours is $606.

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

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 October 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 7.5 696 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 8,281 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 2,019 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $509	Free Cancellation	Rating 7.3 10,388 reviews	Search United Airlines flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.8 1,591 reviews	Search KLM flights
British Airways	PriceFrom $525	Free Cancellation	Rating 6.7 8,266 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 11,782 reviews	Search Air Canada flights
Delta	PriceFrom $610	Free Cancellation	Rating 7.8 8,650 reviews	Search Delta flights
American Airlines	PriceFrom $650	Free Cancellation	Rating 7.0 12,174 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 $405

Flights to Portofrom $396

Flights to Funchalfrom $405

Flights to Farofrom $570

Flights to Ponta Delgadafrom $553

Flights to Lajesfrom $554

Flights to Hortafrom $550

Flights to Pico Islandfrom $557

Flights to Porto Santofrom $1,072

Flights to Velasfrom $557

Cheap flights from Atlanta to Portugal from $302

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 12/9. 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

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Cheap one-way flights

Cheap last minute flights

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Big names and deals

Filter for what you want

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British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

Lufthansa flights from Atlanta to Portugal

Our best Lufthansa 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 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