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

United Airlines, Delta, and Aer Lingus 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.

$253 Cheap Flights from Atlanta to Portugal in 2026

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Find the cheapest flights from Atlanta to Portugal

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 9:05 am

ATL

LIS

13h 35m

1 stop

6:30 am - 9:22 pm

LIS

ATL

18h 52m

2 stops

$524American Airlines

Tue, Mar 10 - Tue, Mar 17

10:30 pm - 11:15 pm

ATL

LIS

19h 45m

1 stop

11:05 am - 10:30 pm

LIS

ATL

16h 25m

1 stop

$525British Airways

Wed, Apr 8 - Wed, Apr 15

7:25 pm - 8:40 am

ATL

OPO

32h 15m

1 stop

5:55 pm - 5:25 pm

OPO

ATL

28h 30m

1 stop

$525Scandinavian Airlines

Thu, Apr 16 - Fri, May 1

7:25 pm - 8:40 am

ATL

OPO

32h 15m

1 stop

5:55 pm - 5:25 pm

OPO

ATL

28h 30m

1 stop

$529Scandinavian Airlines

Thu, Apr 16 - Fri, May 1

8:05 pm - 3:25 pm

ATL

OPO

14h 20m

1 stop

7:10 pm - 12:42 pm

OPO

ATL

22h 32m

1 stop

$549KLM

Sun, Apr 19 - Thu, Apr 30

9:10 pm - 6:50 pm

ATL

OPO

17h 40m

1 stop

4:20 pm - 12:44 pm

OPO

ATL

25h 24m

1 stop

$555KLM

Mon, Mar 23 - Tue, Mar 31

4:30 pm - 3:25 pm

ATL

OPO

17h 55m

1 stop

11:45 am - 11:43 pm

OPO

ATL

16h 58m

2 stops

$560Delta

Mon, Apr 20 - Wed, Apr 29

3:48 pm - 3:25 pm

ATL

OPO

18h 37m

2 stops

6:15 am - 7:51 pm

OPO

ATL

18h 36m

2 stops

$571Delta

Tue, Apr 21 - Tue, Apr 28

9:52 am - 3:40 pm

ATL

OPO

24h 48m

2 stops

6:00 am - 11:42 am

OPO

ATL

34h 42m

2 stops

$577United Airlines

Mon, Apr 20 - Wed, Apr 29

6:10 am - 11:10 am

ATL

OPO

24h 00m

2 stops

6:00 am - 11:59 pm

OPO

ATL

22h 59m

2 stops

$583United Airlines

Tue, Apr 7 - Thu, Apr 16

Iberia flights from Atlanta to Portugal

Our best Iberia deals on Atlanta to Portugal flight tickets

Iberia

Apr 14

ATL10:17 amAtlanta Hartsfield-Jackson

20h 33m

2 stops

LIS11:50 amLisbon Humberto Delgado

May 5

LIS6:35 amLisbon Humberto Delgado

19h 26m

2 stops

ATL9:01 pmAtlanta Hartsfield-Jackson

$532

Iberia

Mar 2

ATL3:22 pmAtlanta Hartsfield-Jackson

19h 43m

2 stops

LIS4:05 pmLisbon Humberto Delgado

Mar 17

LIS6:30 amLisbon Humberto Delgado

21h 28m

2 stops

ATL11:58 pmAtlanta Hartsfield-Jackson

$535

Iberia

Apr 8

ATL8:09 pmAtlanta Hartsfield-Jackson

22h 16m

2 stops

LIS11:25 pmLisbon Humberto Delgado

Apr 15

LIS6:35 amLisbon Humberto Delgado

19h 26m

2 stops

ATL9:01 pmAtlanta Hartsfield-Jackson

$552

British Airways flights from Atlanta to Portugal

Our best British Airways deals on Atlanta to Portugal flight tickets

British Airways

Apr 8

ATL10:30 pmAtlanta Hartsfield-Jackson

19h 45m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Apr 15

LIS11:05 amLisbon Humberto Delgado

16h 25m

1 stop

ATL10:30 pmAtlanta Hartsfield-Jackson

$525

British Airways

Mar 10

ATL3:30 pmAtlanta Hartsfield-Jackson

13h 35m

1 stop

LIS9:05 amLisbon Humberto Delgado

Mar 17

LIS11:05 amLisbon Humberto Delgado

16h 43m

1 stop

ATL11:48 pmAtlanta Hartsfield-Jackson

$527

British Airways

Apr 8

ATL10:30 pmAtlanta Hartsfield-Jackson

19h 45m

1 stop

LIS11:15 pmLisbon Humberto Delgado

Apr 15

LIS4:25 pmLisbon Humberto Delgado

33h 10m

1 stop

ATL8:35 pmAtlanta Hartsfield-Jackson

$530

Fly from

Fly to

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/10

3:30 pm-9:05 am

1 stop13h 35m

Lisbon Humberto Delgado

Tue 3/17

6:30 am-9:22 pm

2 stops18h 52m

$524

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 4/8

10:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Wed 4/15

11:05 am-10:30 pm

1 stop16h 25m

$525

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-8:40 am

1 stop32h 15m

Porto

Fri 5/1

5:55 pm-5:25 pm

1 stop28h 30m

$525

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 4/16

7:25 pm-8:40 am

1 stop32h 15m

Porto

Fri 5/1

5:55 pm-5:25 pm

1 stop28h 30m

$529

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/19

8:05 pm-3:25 pm

1 stop14h 20m

Porto

Thu 4/30

7:10 pm-12:42 pm

1 stop22h 32m

$549

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 3/23

9:10 pm-6:50 pm

1 stop17h 40m

Porto

Tue 3/31

4:20 pm-12:44 pm

1 stop25h 24m

$555

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/20

4:30 pm-3:25 pm

1 stop17h 55m

Porto

Wed 4/29

11:45 am-11:43 pm

2 stops16h 58m

$560

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 4/21

3:48 pm-3:25 pm

2 stops18h 37m

Porto

Tue 4/28

6:15 am-7:51 pm

2 stops18h 36m

$571

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/20

9:52 am-3:40 pm

2 stops24h 48m

Porto

Wed 4/29

6:00 am-11:42 am

2 stops34h 42m

$577

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 4/7

6:10 am-11:10 am

2 stops24h 00m

Porto

Thu 4/16

6:00 am-11:59 pm

2 stops22h 59m

$583

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	11h 35m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 11h 35m

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 1,700 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom $496	Free Cancellation	Rating 6.8 7,817 reviews	Search Lufthansa flights
KLM	PriceFrom $513	Free Cancellation	Rating 7.7 1,461 reviews	Search KLM flights
United Airlines	PriceFrom $523	Free Cancellation	Rating 7.4 9,363 reviews	Search United Airlines flights
British Airways	PriceFrom $529	Free Cancellation	Rating 6.7 7,772 reviews	Search British Airways flights
Air France	PriceFrom $564	Free Cancellation	Rating 7.4 1,539 reviews	Search Air France flights
Air Canada	PriceFrom $606	Free Cancellation	Rating 7.1 10,757 reviews	Search Air Canada flights
Delta	PriceFrom $609	Free Cancellation	Rating 7.9 8,244 reviews	Search Delta flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,238 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

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Airlines

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Complete your trip

Feeling lucky

Popular cities in Portugal

Flights to Lisbonfrom $397

Flights to Portofrom $376

Flights to Funchalfrom $431

Flights to Farofrom $416

Flights to Ponta Delgadafrom $475

Flights to Lajesfrom $559

Flights to Pico Islandfrom $575

Flights to Hortafrom $593

Flights to Porto Santofrom $623

Flights to Velasfrom $549

Cheap flights from Atlanta to Portugal from $253

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 4/18. 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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Find the cheapest flights from Atlanta to Portugal

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Iberia flights from Atlanta to Portugal

Our best Iberia 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?

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