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Portugal

$196+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
1 adult, Economy
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Cheap 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 January 25, 2026.

This United Airlines deal was found by Cheapflights users on 1/22. 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.
Mon 2/233:42 pm
ATL
-
LIS
2 stops13h 33m
United Airlines
Wed 3/410:15 am
LIS
-
ATL
2 stops18h 00m
United Airlines
Deal found 1/22$462
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/85:55 pm
ATL
-
LIS
1 stop13h 40m
Lufthansa
Tue 3/175:00 am
LIS
-
ATL
1 stop14h 30m
Lufthansa
Deal found 1/23$463
This oojo deal was found by Cheapflights users on 1/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:30 pm
ATL
-
LIS
1 stop19h 30m
British Airways
Tue 4/2111:00 am
LIS
-
ATL
1 stop14h 35m
British Airways
Deal found 1/22$467
This Orbitz deal was found by Cheapflights users on 1/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1410:22 am
ATL
-
LIS
2 stops20h 28m
Iberia
Tue 4/216:35 am
LIS
-
ATL
2 stops20h 30m
Iberia
Deal found 1/22$469
This oojo deal was found by Cheapflights users on 1/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/811:10 pm
ATL
-
LIS
1 stop18h 35m
British Airways
Tue 3/174:00 pm
LIS
-
ATL
2 stops34h 01m
British Airways
Deal found 1/23$470
This Cheapflightsfares deal was found by Cheapflights users on 1/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:23 pm
ATL
-
OPO
2 stops13h 17m
Multiple Airlines
Wed 4/158:20 am
OPO
-
ATL
2 stops15h 51m
Multiple Airlines
Deal found 1/22$474
This BusinessClass deal was found by Cheapflights users on 1/23. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/164:55 pm
ATL
-
OPO
1 stop13h 45m
Multiple Airlines
Sun 2/2212:05 pm
OPO
-
ATL
2 stops38h 10m
Multiple Airlines
Deal found 1/23$483
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Wed 2/44:55 pm
ATL
-
LIS
1 stop16h 55m
Lufthansa
Wed 2/115:00 am
LIS
-
ATL
1 stop14h 30m
Lufthansa
Deal found 1/24$489
This FlightHub deal was found by Cheapflights users on 1/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/71:33 pm
ATL
-
OPO
2 stops37h 22m
SWISS
Tue 4/148:40 am
OPO
-
ATL
2 stops17h 48m
SWISS
Deal found 1/22$491
This Trip.com deal was found by Cheapflights users on 1/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/113:48 pm
ATL
-
LIS
1 stop15h 47m
Multiple Airlines
Thu 2/199:50 am
LIS
-
ATL
1 stop17h 00m
Multiple Airlines
Deal found 1/23$493
This Mytrip deal was found by Cheapflights users on 1/23. 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.
Wed 2/256:00 am
ATL
-
LIS
1 stop18h 25m
Multiple Airlines
Wed 3/412:05 pm
LIS
-
ATL
1 stop13h 26m
Multiple Airlines
Deal found 1/23$497
This Air Canada deal was found by Cheapflights users on 1/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/181:00 pm
ATL
-
LIS
2 stops17h 35m
Air Canada
Wed 4/1511:25 am
LIS
-
ATL
1 stop15h 28m
Air Canada
Deal found 1/23$500

Find flight deals from Atlanta to Portugal

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$462
(United Airlines)

One-way from

$196
(oojo)

Popular in

June

Cheapest in

January

Average price

$655
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Lisbon Humberto Delgado flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Lisbon Humberto Delgado flights.
Search Deals
From Atlanta Hartsfield-Jackson to Portugal
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Portugal
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($245 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 25, 2026.
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

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/17

5:55 pm-11:35 am

1 stop13h 40m

Lisbon Humberto Delgado

Tue 3/24

5:00 am-3:30 pm

1 stop14h 30m

$489

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Mon 3/2

1:41 pm-8:20 am

2 stops38h 39m

Ponta Delgada Nordela

Sat 3/7

9:30 am-8:17 am

2 stops26h 47m

$504

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/2

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Fri 3/13

5:00 am-3:30 pm

1 stop14h 30m

$509

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/19

7:31 pm-10:30 am

1 stop9h 59m

Lisbon Humberto Delgado

Fri 5/1

1:00 pm-1:35 pm

2 stops29h 35m

$516

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 2/18

4:35 pm-8:10 am

1 stop10h 35m

Lisbon Humberto Delgado

Wed 4/15

5:05 am-6:28 pm

2 stops18h 23m

$519

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/19

2:37 pm-10:30 am

1 stop14h 53m

Lisbon Humberto Delgado

Wed 4/29

7:25 am-11:59 pm

2 stops21h 34m

$519

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/21

4:50 pm-8:20 am

1 stop10h 30m

Lisbon Humberto Delgado

Wed 4/29

5:05 am-7:32 pm

2 stops19h 27m

$519

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 4/15

10:30 pm-11:15 pm

1 stop19h 45m

Lisbon Humberto Delgado

Tue 5/5

6:35 am-9:58 pm

2 stops20h 23m

$524

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/19

8:15 am-10:30 am

2 stops21h 15m

Lisbon Humberto Delgado

Tue 4/28

7:25 am-7:32 pm

2 stops17h 07m

$524

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 3/11

7:02 pm-11:55 am

1 stop12h 53m

Porto

Wed 3/18

6:35 pm-8:11 am

1 stop17h 36m

$547

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $455). Flying from Atlanta to Portugal in June is currently the most expensive (average of $868). 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 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 January 25, 2026.
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
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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
7.7
Good
1,442 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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
9,198 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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.
Lufthansa
6.8
Okay
7,748 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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
7,699 reviews
Delta
7.9
Good
8,111 reviews

Boarding

8.1

Overall

7.9

Crew

8.5

Entertainment

7.8

Comfort

7.9

Food

7.2

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 Lufthansa, United Airlines, and KLM fly from Atlanta to Portugal in about 11h 50m. The time it takes to get you to your destination can typically vary by up to 1h 50m. 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 cheapest airlines to fly from Atlanta to Portugal one-way?

    $187 is the cheapest one-way deal found within the past few days, from British Airways. You may also be able to find cheap deals on Air France and Delta, with prices starting from $208 and $263, respectively.

  • 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 - Faro.

  • 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, February is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $455). Flying from Atlanta to Portugal in June is currently the most expensive (average of $868). 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$484Average$605FlexibilityNo cancel feeOn-time77%
KLMCheapest$514Average$870FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$521Average$826FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$542Average$1,059FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$561Average$948FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$584Average$1,154FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$629Average$949FlexibilityNo cancel feeOn-time67%
DeltaCheapest$632Average$1,011FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$644Average$703FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$663Average$1,152FlexibilityNo cancel feeOn-time71%

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