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$357+ Cheap flights from Portugal to Atlanta (ATL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ATL
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap flight deals from Portugal to Atlanta

Cheapest flights from Portugal to Atlanta
Explore the most affordable flight options available from Portugal to Atlanta. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This Mytrip deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:25 am
LIS
-
ATL
2 stops26h 34m
Multiple Airlines
Sun 6/146:17 pm
ATL
-
LIS
3 stops34h 03m
Multiple Airlines
Deal found 4/23$821
This Kiwi.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:00 pm
OPO
-
ATL
2 stops18h 08m
Multiple Airlines
Sat 6/65:10 pm
ATL
-
OPO
1 stop12h 55m
Multiple Airlines
Deal found 4/24$825
This Trip.com deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:05 am
LIS
-
ATL
3 stops34h 52m
Multiple Airlines
Mon 6/2211:47 am
ATL
-
LIS
2 stops42h 18m
Multiple Airlines
Deal found 4/25$875
This Trip.com deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:55 pm
OPO
-
ATL
1 stop28h 30m
Scandinavian Airlines
Sat 6/67:30 pm
ATL
-
OPO
1 stop34h 40m
Scandinavian Airlines
Deal found 4/24$876
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:00 am
OPO
-
ATL
2 stops37h 44m
United Airlines
Tue 10/612:00 pm
ATL
-
OPO
2 stops16h 45m
United Airlines
Deal found 4/24$899
This United Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/266:00 am
OPO
-
ATL
2 stops17h 37m
United Airlines
Tue 6/27:32 pm
ATL
-
OPO
2 stops30h 23m
United Airlines
Deal found 4/25$901
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:00 am
LIS
-
ATL
1 stop14h 30m
United Airlines
Mon 11/164:22 pm
ATL
-
LIS
1 stop10h 48m
United Airlines
Deal found 4/24$902
This KLM deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/211:45 am
OPO
-
ATL
1 stop13h 40m
Multiple Airlines
Fri 6/56:50 pm
ATL
-
OPO
1 stop10h 40m
Multiple Airlines
Deal found 4/25$903
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:00 am
OPO
-
ATL
1 stop13h 59m
Delta
Thu 6/45:01 pm
ATL
-
OPO
2 stops17h 24m
Delta
Deal found 4/22$904
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/511:25 am
OPO
-
ATL
2 stops16h 53m
Delta
Sun 6/2110:30 pm
ATL
-
OPO
1 stop18h 30m
Delta
Deal found 4/24$905
This United Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
OPO
-
ATL
2 stops17h 41m
United Airlines
Tue 6/163:57 pm
ATL
-
OPO
2 stops34h 03m
United Airlines
Deal found 4/22$907
This Air Canada deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
OPO
-
ATL
2 stops19h 12m
Air Canada
Sun 6/217:00 am
ATL
-
OPO
2 stops18h 50m
Air Canada
Deal found 4/24$908

Find flight deals from Portugal to Atlanta

Keep the following information in mind while searching for Portugal to Atlanta flight deals. Data was last updated April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$821
(Mytrip)

One-way from

$357
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$858
Provider with most accurate pricing for Lisbon Humberto Delgado-Atlanta Hartsfield-Jackson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lisbon Humberto Delgado-Atlanta Hartsfield-Jackson flights.
Search Deals
From Portugal to Atlanta Hartsfield-Jackson
Search Deals
One-way flight from Portugal to Atlanta Hartsfield-Jackson
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portugal to Atlanta that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Portugal to Atlanta that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 5/8

5:55 pm-5:25 pm

1 stop28h 30m

Atlanta Hartsfield-Jackson

Sat 6/6

7:30 pm-11:10 am

1 stop34h 40m

$876

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-2:44 pm

2 stops37h 44m

Atlanta Hartsfield-Jackson

Tue 10/6

11:15 am-9:45 am

1 stop17h 30m

$899

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/26

6:00 am-6:37 pm

2 stops17h 37m

Atlanta Hartsfield-Jackson

Tue 6/2

7:32 pm-6:55 am

2 stops30h 23m

$901

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 6/9

6:00 am-7:46 pm

2 stops18h 46m

Atlanta Hartsfield-Jackson

Tue 6/16

6:51 pm-7:00 am

2 stops31h 09m

$903

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 5/26

5:00 am-4:55 pm

1 stop16h 55m

Atlanta Hartsfield-Jackson

Tue 6/2

4:59 pm-10:30 am

1 stop12h 31m

$904

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 5/8

5:00 am-5:52 pm

2 stops17h 52m

Atlanta Hartsfield-Jackson

Sat 6/6

6:50 pm-3:25 pm

2 stops15h 35m

$904

PortoAtlanta

OPO - ATL

OPOATL

Porto

Sat 5/23

5:00 am-1:59 pm

1 stop13h 59m

Atlanta Hartsfield-Jackson

Mon 6/8

10:30 pm-10:00 pm

1 stop18h 30m

$904

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 9/25

6:00 am-9:10 pm

2 stops20h 10m

Atlanta Hartsfield-Jackson

Tue 10/6

12:55 pm-7:00 am

1 stop13h 05m

$910

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Sat 6/6

5:05 am-5:38 pm

2 stops17h 33m

Atlanta Hartsfield-Jackson

Mon 6/22

3:55 pm-3:30 pm

1 stop18h 35m

$913

FaroAtlanta

FAO - ATL

FAOATL

Faro

Wed 9/2

8:00 pm-8:40 pm

1 stop29h 40m

Atlanta Hartsfield-Jackson

Sun 9/6

11:04 am-12:00 pm

2 stops19h 56m

$913

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 46 resultsSorted by cheapest first
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Best time to book a flight from Portugal to Atlanta

Have a flexible travel schedule? Discover the best time to fly to Atlanta from Portugal with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portugal to Atlanta

What is the cheapest month to book a flight from Portugal to Atlanta?

Currently, May is the cheapest month in which you can book a flight from Portugal to Atlanta (average of $187). Flying from Portugal to Atlanta in July is currently the most expensive (average of $756). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Atlanta

Get insights into the airlines that provide service to Atlanta. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Atlanta. Reviews last updated April 25, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Portugal to Atlanta to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,458 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,655 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,677 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,915 reviews
Delta
7.9
Good
8,458 reviews

Crew

8.5

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Portugal to Atlanta. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Atlanta from Portugal?

    Most people fly into Atlanta Hartsfield-Jackson (ATL) if they book a flight to Atlanta from Portugal. Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.

  • How long is the flight from Portugal to Atlanta?

    There are many flights that can get you from Portugal to Atlanta in 17h 33m. Fly via Scandinavian Airlines, United Airlines, or Lufthansa to get the fastest option. Portugal and Atlanta are separated by a distance of 4089 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Portugal to Atlanta one-way?

    One-way options have recently been found by users for as low as $469 on American Airlines. Other airlines that offer cheap prices include British Airways from $499 and TAP AIR PORTUGAL from $655 one-way.

  • What are the most popular routes from Portugal to Atlanta?

    While some choose either Porto - Atlanta Hartsfield-Jackson or Faro - Atlanta Hartsfield-Jackson, Lisbon Humberto Delgado - Atlanta Hartsfield-Jackson is the most popular route from Portugal to Atlanta.

  • Can I find deals for flights from Portugal to Atlanta that include hotel bookings?

    Yes. In addition to deals on Portugal to Atlanta flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portugal to Atlanta?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portugal to Atlanta.

  • Can I find deals for business class flights from Portugal to Atlanta?

    Yes. Cheapflights offers flight deals from Portugal to Atlanta by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portugal to Atlanta?

    Currently, May is the cheapest month in which you can book a flight from Portugal to Atlanta (average of $187). Flying from Portugal to Atlanta in July is currently the most expensive (average of $756). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Portugal to Atlanta

Discover the top 4 airlines that operate flights from Portugal to Atlanta. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$657Average$701FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$743Average$966FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$752Average$864FlexibilityNo cancel feeOn-time69%
DeltaCheapest$806Average$1,107FlexibilityNo cancel feeOn-timeN/A

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