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

TAP AIR PORTUGAL, Air France, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portugal

What is the most punctual flight time for Atlanta to Portugal flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

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.

Which airline has the best punctuality record on Atlanta to Portugal flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

How often are flights from Atlanta to Portugal delayed?

Historically, on average around 100% of flights between Atlanta and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 669 minutes.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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 January 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.

$213 Cheap Flights from Atlanta to Portugal in 2026

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7:15 am - 10:10 am

ATL

OPO

21h 55m1 stop

5:15 pm - 9:18 am

OPO

ATL

21h 03m1 stop

$435Multiple Airlines

Sun, Apr 5 - Sun, Apr 12

7:15 am - 10:10 am

ATL

OPO

21h 55m1 stop

5:05 am - 9:18 am

OPO

ATL

33h 13m2 stops

$451Multiple Airlines

Sun, Apr 5 - Sun, Apr 12

2:39 pm - 10:15 am

ATL

LIS

14h 36m1 stop

5:00 am - 3:30 pm

LIS

ATL

14h 30m1 stop

$460Lufthansa

Wed, Feb 25 - Wed, Mar 18

4:12 pm - 8:10 am

ATL

LIS

10h 58m1 stop

5:00 am - 2:30 pm

LIS

ATL

14h 30m1 stop

$508United Airlines

Tue, Feb 3 - Wed, Feb 11

4:30 pm - 3:25 pm

ATL

OPO

17h 55m1 stop

7:00 pm - 12:44 pm

OPO

ATL

22h 44m1 stop

$518KLM

Wed, Apr 8 - Wed, Apr 15

8:05 pm - 3:25 pm

ATL

OPO

14h 20m1 stop

7:00 pm - 2:00 pm

OPO

ATL

24h 00m1 stop

$519KLM

Wed, Apr 8 - Wed, Apr 15

7:09 pm - 10:05 pm

ATL

OPO

21h 56m2 stops

11:45 am - 8:25 pm

OPO

ATL

13h 40m1 stop

$523Delta

Tue, Apr 7 - Wed, Apr 15

8:05 pm - 10:00 pm

ATL

OPO

20h 55m1 stop

5:00 am - 8:23 pm

OPO

ATL

20h 23m2 stops

$528Delta

Wed, Apr 8 - Thu, Apr 16

11:10 pm - 2:15 pm

ATL

FNC

35h 05m1 stop

12:25 pm - 9:10 pm

FNC

ATL

36h 45m1 stop

$564British Airways

Sun, Mar 15 - Mon, Mar 23

11:10 pm - 2:15 pm

ATL

FNC

35h 05m1 stop

12:50 pm - 9:10 pm

FNC

ATL

36h 20m1 stop

$619British Airways

Sun, Mar 15 - Sun, Mar 22

Air Canada flights from Atlanta to Portugal

Our best Air Canada deals on Atlanta to Portugal flight tickets

Air Canada

Feb 3

ATL12:55 pmAtlanta Hartsfield-Jackson

39h 25m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 12

LIS11:20 amLisbon Humberto Delgado

41h 24m

2 stops

ATL11:44 pmAtlanta Hartsfield-Jackson

$516

Find similar

Air Canada

Feb 4

ATL10:10 amAtlanta Hartsfield-Jackson

18h 10m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 13

LIS10:55 amLisbon Humberto Delgado

35h 46m

2 stops

ATL5:41 pmAtlanta Hartsfield-Jackson

$521

Find similar

Air Canada

Feb 15

ATL12:55 pmAtlanta Hartsfield-Jackson

39h 25m

2 stops

LIS9:20 amLisbon Humberto Delgado

Feb 22

LIS10:50 amLisbon Humberto Delgado

40h 03m

2 stops

ATL9:53 pmAtlanta Hartsfield-Jackson

$552

Find similar

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets

United Airlines

Jan 5

ATL2:40 pmAtlanta Hartsfield-Jackson

12h 30m

2 stops

LIS8:10 amLisbon Humberto Delgado

Jan 21

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$504

Find similar

United Airlines

Feb 3

ATL4:12 pmAtlanta Hartsfield-Jackson

10h 58m

1 stop

LIS8:10 amLisbon Humberto Delgado

Feb 11

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL2:30 pmAtlanta Hartsfield-Jackson

$508

Find similar

United Airlines

Mar 2

ATL2:39 pmAtlanta Hartsfield-Jackson

12h 31m

2 stops

LIS8:10 amLisbon Humberto Delgado

Mar 13

LIS5:00 amLisbon Humberto Delgado

14h 30m

1 stop

ATL3:30 pmAtlanta Hartsfield-Jackson

$509

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/5

7:15 am-10:10 am

1 stop21h 55m

Porto

Sun 4/12

5:15 pm-9:18 am

1 stop21h 03m

$435

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/5

7:15 am-10:10 am

1 stop21h 55m

Porto

Sun 4/12

5:05 am-9:18 am

2 stops33h 13m

$451

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 2/25

2:39 pm-10:15 am

1 stop14h 36m

Lisbon Humberto Delgado

Wed 3/18

5:00 am-3:30 pm

1 stop14h 30m

$460

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 2/3

4:12 pm-8:10 am

1 stop10h 58m

Lisbon Humberto Delgado

Wed 2/11

5:00 am-2:30 pm

1 stop14h 30m

$508

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

4:30 pm-3:25 pm

1 stop17h 55m

Porto

Wed 4/15

7:00 pm-12:44 pm

1 stop22h 44m

$518

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

8:05 pm-3:25 pm

1 stop14h 20m

Porto

Wed 4/15

7:00 pm-2:00 pm

1 stop24h 00m

$519

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 4/7

7:09 pm-10:05 pm

2 stops21h 56m

Porto

Wed 4/15

11:45 am-8:25 pm

1 stop13h 40m

$523

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

8:05 pm-10:00 pm

1 stop20h 55m

Porto

Thu 4/16

5:00 am-8:23 pm

2 stops20h 23m

$528

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 3/15

11:10 pm-2:15 pm

1 stop35h 05m

Funchal Madeira

Mon 3/23

12:25 pm-9:10 pm

1 stop36h 45m

$564

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 3/15

11:10 pm-2:15 pm

1 stop35h 05m

Funchal Madeira

Sun 3/22

12:50 pm-9:10 pm

1 stop36h 20m

$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

Delays

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 $688, 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 $711.

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 $900 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 $846 on momondo.

Can stopping save me money on Atlanta to Portugal flights?

You could potentially save up to 54% 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 43m
Direct flights	None

The fastest flight from Atlanta to Portugal takes 11h 43m

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 January 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
Scandinavian Airlines	PriceFrom $484	Free Cancellation	Rating 7.4 1,629 reviews	Search Scandinavian Airlines flights
KLM	PriceFrom $514	Free Cancellation	Rating 7.7 1,435 reviews	Search KLM flights
Lufthansa	PriceFrom $521	Free Cancellation	Rating 6.8 7,676 reviews	Search Lufthansa flights
British Airways	PriceFrom $561	Free Cancellation	Rating 6.7 7,640 reviews	Search British Airways flights
United Airlines	PriceFrom $562	Free Cancellation	Rating 7.4 9,129 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $584	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Delta	PriceFrom $613	Free Cancellation	Rating 7.9 8,023 reviews	Search Delta flights
Turkish Airlines	PriceFrom $644	Free Cancellation	Rating 7.3 4,145 reviews	Search Turkish Airlines flights
Air France	PriceFrom $666	Free Cancellation	Rating 7.4 1,515 reviews	Search Air France flights
American Airlines	PriceFrom $669	Free Cancellation	Rating 7.2 11,075 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.

Start using Trips

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Find better results for your trip to Portugal

Popular cities in Portugal

Flights to Lisbonfrom $378

Flights to Portofrom $319

Flights to Funchalfrom $405

Flights to Farofrom $388

Flights to Ponta Delgadafrom $429

Flights to Lajesfrom $440

Flights to Hortafrom $567

Flights to Pico Islandfrom $572

Flights to Porto Santofrom $549

Flights to Velasfrom $581

Atlanta flight routes

Flights from Atlanta Hartsfield-Jackson to Memphis

Flights from Atlanta Hartsfield-Jackson to Lambert-St Louis

Flights from Atlanta Hartsfield-Jackson to Omaha Eppley Airfield

Flights from Atlanta Hartsfield-Jackson to Miami

Flights from Atlanta Hartsfield-Jackson to Chicago Midway

Flights from Atlanta Hartsfield-Jackson to Newark

Cheap flights from Atlanta to Portugal from $213

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 3/3. 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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Air Canada flights from Atlanta to Portugal

Our best Air Canada deals on Atlanta to Portugal flight tickets

United Airlines flights from Atlanta to Portugal

Our best United Airlines deals on Atlanta to Portugal flight tickets

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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?

You could potentially save up to 54% on your flight if you consider stops on a Atlanta to Portugal flight.

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

TAP AIR PORTUGAL, Air France, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to Portugal

What airlines fly to Portugal?

How often are flights from Atlanta to Portugal delayed?

Historically, on average around 100% of flights between Atlanta and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 669 minutes.

What is the most punctual flight time for Atlanta to Portugal flights?

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Atlanta to Portugal flights?

According to our data, Delta have had the least number of delays on this route over the last 12 months; with about 100% of their flights experiencing any sort of delay.

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

When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Portugal?

How many operators does momondo search 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?

What documentation or ID do you need to fly 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?

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