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Portugal

$234+ Cheap flights from Atlanta (ATL) to Portugal

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Atlanta to Portugal

Keep the following information in mind while searching for Atlanta to Portugal flight deals. Data was last updated August 20, 2025.

Round-trip from

$411
(oojo)

One-way from

$234
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$975
From Atlanta Hartsfield-Jackson to Portugal
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One-way flight from Atlanta Hartsfield-Jackson to Portugal
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Highest demand for flights based on searches. 21% potential increase in price ($245 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Atlanta to Portugal

Cheapest flights from Atlanta to Portugal
Explore the most affordable flight options available from Atlanta to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This oojo deal was found by Cheapflights users on 8/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:00 pmATL - OPO
1 stop15h 55mScandinavian Airlines
Fri 11/215:45 pmOPO - ATL
1 stop28h 40mScandinavian Airlines
Deal found 8/18$411
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Tue 11/1110:14 pmATL - OPO
2 stops40h 06mMultiple Airlines
Wed 11/1911:35 amOPO - ATL
2 stops26h 10mMultiple Airlines
Deal found 8/20$561
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 11/24:20 pmATL - OPO
1 stop12h 10mUnited Airlines
Wed 2/256:00 amOPO - ATL
2 stops17h 31mUnited Airlines
Deal found 8/18$590
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 11/24:20 pmATL - OPO
1 stop12h 10mUnited Airlines
Fri 2/2712:35 pmOPO - ATL
1 stop12h 29mUnited Airlines
Deal found 8/18$593
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/59:35 amATL - OPO
2 stops18h 55mUnited Airlines
Tue 2/2412:35 pmOPO - ATL
2 stops26h 41mUnited Airlines
Deal found 8/18$597
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Mon 11/34:32 pmATL - OPO
1 stop11h 58mUnited Airlines
Mon 2/2312:30 pmOPO - ATL
1 stop31h 00mUnited Airlines
Deal found 8/18$601
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/411:55 amATL - OPO
2 stops16h 35mUnited Airlines
Mon 2/2312:30 pmOPO - ATL
1 stop31h 00mUnited Airlines
Deal found 8/18$605
This United Airlines deal was found by Cheapflights users on 8/19. 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.
Sun 11/24:20 pmATL - OPO
1 stop12h 10mUnited Airlines
Mon 2/2312:30 pmOPO - ATL
2 stops35h 01mUnited Airlines
Deal found 8/19$609
This Trip.com deal was found by Cheapflights users on 8/19. 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.
Mon 10/135:12 amATL - FNC
2 stops47h 23mMultiple Airlines
Tue 10/2110:05 amFNC - ATL
2 stops27h 55mMultiple Airlines
Deal found 8/19$663
This Gotogate deal was found by Cheapflights users on 8/19. 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.
Sat 10/47:55 pmATL - FAO
2 stops56h 30mScandinavian Airlines
Sat 10/1111:20 amFAO - ATL
2 stops59h 00mScandinavian Airlines
Deal found 8/19$685
This Ovago deal was found by Cheapflights users on 8/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2711:10 pmATL - FAO
1 stop31h 25mBritish Airways
Thu 11/67:40 pmFAO - ATL
1 stop29h 30mBritish Airways
Deal found 8/19$724
This British Airways deal was found by Cheapflights users on 8/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1310:25 pmATL - FNC
1 stop31h 45mBritish Airways
Tue 10/216:40 pmFNC - ATL
1 stop30h 55mBritish Airways
Deal found 8/19$724

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Portugal 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 August 20, 2025.
Use the filters below to find and compare flights from Atlanta to Portugal that are best for you.

Fly from

Atlanta

Fly to

Portugal

Route

Depart

Return

Price

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 11/13

8:00 pm-4:55 pm

1 stop15h 55m

Porto

Fri 11/21

5:45 pm-5:25 pm

1 stop28h 40m

$411

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 11/11

10:14 pm-7:20 pm

2 stops40h 06m

Porto

Wed 11/19

11:35 am-8:45 am

2 stops26h 10m

$561

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 11/4

4:32 pm-9:30 am

1 stop11h 58m

Porto

Thu 2/26

6:00 am-6:31 pm

2 stops17h 31m

$590

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 11/2

4:20 pm-9:30 am

1 stop12h 10m

Porto

Thu 2/26

6:00 am-7:07 pm

2 stops18h 07m

$590

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 11/3

4:32 pm-9:30 am

1 stop11h 58m

Porto

Thu 2/26

6:00 am-6:31 pm

2 stops17h 31m

$590

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Fri 2/6

8:00 pm-4:20 pm

1 stop15h 20m

Faro

Wed 3/4

10:35 am-5:25 pm

2 stops35h 50m

$630

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Mon 10/13

5:12 am-9:35 am

2 stops47h 23m

Funchal Madeira

Tue 10/21

10:05 am-9:00 am

2 stops27h 55m

$663

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Sat 10/4

7:55 pm-9:25 am

2 stops56h 30m

Faro

Sat 10/11

11:20 am-5:20 pm

2 stops59h 00m

$685

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Mon 10/27

11:10 pm-10:35 am

1 stop31h 25m

Faro

Thu 11/6

7:40 pm-8:10 pm

1 stop29h 30m

$724

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Mon 10/13

10:25 pm-11:10 am

1 stop31h 45m

Funchal Madeira

Tue 10/21

6:40 pm-8:35 pm

1 stop30h 55m

$724

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 51 results
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Best time to book a flight from Atlanta to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Atlanta 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 Atlanta to Portugal

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

Currently, January is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $612). Flying from Atlanta to Portugal in June is currently the most expensive (average of $1,127). 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.

What is the cheapest time of day to fly from ATL to PT?

Find hourly flight availability from Atlanta to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Portugal as you normally would.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated August 20, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from Atlanta to Portugal 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
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
8.0
Very good
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
KLM
7.8
Good
1,388 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
United Airlines
7.4
Good
8,928 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
British Airways
6.7
Okay
7,289 reviews
Delta
8.0
Very good
7,982 reviews

Food

7.3

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Portugal. 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 from for flights from Atlanta to Portugal?

    Atlanta Hartsfield-Jackson (ATL) is the airport you will fly out of if you book a flight from Atlanta to Portugal. It is only a 8.2 mi journey to Hartsfield-Jackson (ATL) from Atlanta’s city center.

  • How long is the flight from Atlanta to Portugal?

    Airlines like Scandinavian Airlines, United Airlines, and British Airways fly from Atlanta to Portugal in about 11h 58m. The time it takes to get you to your destination can typically vary by up to 19h 27m. The distance between Atlanta and Portugal is about 4053 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Atlanta to Portugal are Atlanta Hartsfield-Jackson - Lisbon Humberto Delgado, Atlanta Hartsfield-Jackson - Porto and Atlanta Hartsfield-Jackson - Funchal Madeira.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta to Portugal 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 Atlanta to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $612). Flying from Atlanta to Portugal in June is currently the most expensive (average of $1,127). 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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Alternative routes for Atlanta to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Atlanta to Portugal

Discover the top 10 airlines that operate flights from Atlanta to Portugal. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$505Average$833FlexibilityNo cancel feeOn-time77%
KLMCheapest$546Average$879FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$568Average$1,108FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$572Average$926FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$577Average$1,047FlexibilityNo cancel feeOn-time71%
Virgin AtlanticCheapest$600Average$967FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$606Average$1,104FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$626Average$697FlexibilityNo cancel feeOn-time77%
DeltaCheapest$634Average$1,021FlexibilityNo cancel feeOn-timeN/A
Air FranceCheapest$650Average$1,138FlexibilityNo cancel feeOn-time77%

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