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$340+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ATL
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Wed 3/116:35 pm
OPO
-
ATL
1 stop17h 36m
Multiple Airlines
Wed 3/187:02 pm
ATL
-
OPO
1 stop12h 53m
Multiple Airlines
Deal found 2/8$619
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Tue 3/1012:05 pm
LIS
-
ATL
1 stop12h 26m
Multiple Airlines
Tue 3/177:02 pm
ATL
-
LIS
1 stop12h 38m
Multiple Airlines
Deal found 2/8$630
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/35:55 pm
OPO
-
ATL
1 stop28h 30m
Scandinavian Airlines
Sat 4/187:25 pm
ATL
-
OPO
1 stop17h 15m
Scandinavian Airlines
Deal found 2/8$636
This Mytrip deal was found by Cheapflights users on 2/7. 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.
Mon 3/96:45 pm
LIS
-
ATL
1 stop16h 57m
Multiple Airlines
Tue 3/175:45 am
ATL
-
LIS
1 stop19h 40m
Multiple Airlines
Deal found 2/7$653
This Mytrip deal was found by Cheapflights users on 2/8. 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.
Tue 3/107:35 am
OPO
-
ATL
2 stops29h 32m
Multiple Airlines
Tue 3/176:14 pm
ATL
-
OPO
2 stops17h 01m
Multiple Airlines
Deal found 2/8$657
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Sat 2/2111:35 am
LIS
-
ATL
3 stops26h 25m
Multiple Airlines
Wed 2/2510:12 am
ATL
-
LIS
2 stops24h 03m
Multiple Airlines
Deal found 2/5$673
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 3/24:00 pm
LIS
-
ATL
2 stops20h 42m
Multiple Airlines
Mon 3/237:02 pm
ATL
-
LIS
1 stop12h 38m
Multiple Airlines
Deal found 2/7$687
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Thu 2/266:45 pm
LIS
-
ATL
1 stop18h 58m
Multiple Airlines
Wed 3/117:02 pm
ATL
-
LIS
2 stops15h 58m
Multiple Airlines
Deal found 2/7$690
This Gotogate deal was found by Cheapflights users on 2/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/64:40 pm
LIS
-
ATL
1 stop29h 45m
Scandinavian Airlines
Sun 3/229:00 pm
ATL
-
LIS
2 stops45h 00m
Scandinavian Airlines
Deal found 2/6$693
This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sun 3/86:00 pm
LIS
-
ATL
1 stop28h 25m
Scandinavian Airlines
Mon 3/239:00 pm
ATL
-
LIS
1 stop20h 30m
Scandinavian Airlines
Deal found 2/6$700
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/246:00 am
OPO
-
ATL
2 stops19h 12m
United Airlines
Tue 3/318:15 am
ATL
-
OPO
2 stops20h 30m
United Airlines
Deal found 2/7$800
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 3/116:00 am
OPO
-
ATL
2 stops18h 05m
United Airlines
Wed 3/182:39 pm
ATL
-
OPO
2 stops14h 51m
United Airlines
Deal found 2/8$802

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$619
(Kiwi.com)

One-way from

$340
(Kiwi.com)

Popular in

July

Cheapest in

June

Average price

$853
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. 8% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 9, 2026.
Use the filters below to find and compare flights from Portugal to Atlanta that are best for you.

Fly from

Portugal

Fly to

Atlanta

Route

Depart

Return

Price

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 3/11

6:35 pm-8:11 am

1 stop17h 36m

Atlanta Hartsfield-Jackson

Wed 3/18

7:02 pm-11:55 am

1 stop12h 53m

$619

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Mon 3/9

6:45 pm-7:42 am

1 stop16h 57m

Atlanta Hartsfield-Jackson

Tue 3/17

5:45 am-5:25 am

1 stop19h 40m

$653

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Tue 3/10

7:40 am-9:07 am

2 stops29h 27m

Atlanta Hartsfield-Jackson

Tue 3/17

6:14 pm-7:15 pm

2 stops21h 01m

$665

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Mon 3/2

4:00 pm-7:42 am

2 stops20h 42m

Atlanta Hartsfield-Jackson

Mon 3/23

7:02 pm-11:40 am

1 stop12h 38m

$687

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Fri 3/6

4:40 pm-5:25 pm

1 stop29h 45m

Atlanta Hartsfield-Jackson

Sun 3/22

9:00 pm-10:00 pm

2 stops45h 00m

$693

LisbonAtlanta

LIS - ATL

LISATL

Lisbon Humberto Delgado

Sun 3/8

6:00 pm-6:25 pm

1 stop28h 25m

Atlanta Hartsfield-Jackson

Mon 3/23

9:00 pm-9:30 pm

1 stop20h 30m

$700

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/10

6:40 pm-9:10 am

1 stop18h 30m

Atlanta Hartsfield-Jackson

Tue 3/17

7:02 pm-5:00 pm

2 stops17h 58m

$728

PortoAtlanta

OPO - ATL

OPOATL

Porto

Tue 3/24

6:00 am-7:36 pm

2 stops17h 36m

Atlanta Hartsfield-Jackson

Tue 3/31

3:55 pm-3:45 pm

1 stop18h 50m

$805

PortoAtlanta

OPO - ATL

OPOATL

Porto

Fri 2/27

12:30 pm-2:30 pm

1 stop31h 00m

Atlanta Hartsfield-Jackson

Tue 3/3

4:35 pm-9:30 am

1 stop11h 55m

$817

PortoAtlanta

OPO - ATL

OPOATL

Porto

Wed 5/6

11:50 am-5:25 pm

1 stop34h 35m

Atlanta Hartsfield-Jackson

Sat 5/16

7:25 pm-5:40 pm

1 stop17h 15m

$821

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 37 results
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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, June is the cheapest month in which you can book a flight from Portugal to Atlanta (average of $641). Flying from Portugal to Atlanta in January is currently the most expensive (average of $808). 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 February 9, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
8,174 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
8,174 reviews
Delta
7.9
Good
8,174 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
9,259 reviews
Delta
7.9
Good
8,174 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
7.2
Good
11,258 reviews
Delta
7.9
Good
8,174 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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
7,723 reviews
Delta
7.9
Good
8,174 reviews

Overall

7.9

Entertainment

7.8

Food

7.2

Crew

8.5

Boarding

8.1

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 18h 05m. Fly via Scandinavian Airlines, United Airlines, or British Airways to get the fastest option. Portugal and Atlanta are separated by a distance of 4053 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, June is the cheapest month in which you can book a flight from Portugal to Atlanta (average of $641). Flying from Portugal to Atlanta in January is currently the most expensive (average of $808). 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

Traveling to a place near Atlanta?

Book flights to Atlanta if you plan to visit one of these locations
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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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$638Average$743FlexibilityNo cancel feeOn-time70%
DeltaCheapest$654Average$946FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$734Average$966FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$735Average$806FlexibilityNo cancel feeOn-time69%

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