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$230+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/284:55 pmATL - LIS
1 stop13h 35mLufthansa
Mon 12/13:55 pmLIS - ATL
1 stop27h 35mLufthansa
Deal found 11/4$543
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Mon 11/177:35 pmATL - LIS
2 stops22h 55mLufthansa
Mon 12/12:10 pmLIS - ATL
2 stops29h 20mLufthansa
Deal found 11/4$544
This Mytrip deal was found by Cheapflights users on 11/4. 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 12/96:21 pmATL - LIS
3 stops33h 34mMultiple Airlines
Sun 12/1412:35 pmLIS - ATL
3 stops33h 25mMultiple Airlines
Deal found 11/4$545
This Gotogate deal was found by Cheapflights users on 11/3. 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.
Sun 11/3012:55 pmATL - LIS
2 stops39h 25mAir Canada
Sun 12/1410:50 amLIS - ATL
2 stops40h 03mAir Canada
Deal found 11/3$546
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/1312:55 pmATL - LIS
1 stop15h 25mUnited Airlines
Thu 11/205:00 amLIS - ATL
1 stop14h 30mUnited Airlines
Deal found 11/4$551
This KAYAK deal was found by Cheapflights users on 11/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:42 pmATL - LIS
2 stops27h 48mLufthansa
Mon 12/12:10 pmLIS - ATL
2 stops29h 20mLufthansa
Deal found 11/4$553
This Gurufare deal was found by Cheapflights users on 11/4. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:35 pmATL - LIS
1 stop13h 55mLufthansa
Mon 11/243:55 pmLIS - ATL
1 stop27h 35mLufthansa
Deal found 11/4$554
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/144:47 pmATL - LIS
1 stop10h 23mUnited Airlines
Wed 11/195:00 amLIS - ATL
1 stop14h 50mUnited Airlines
Deal found 11/4$556
This Mytrip deal was found by Cheapflights users on 11/4. 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.
Thu 12/47:30 pmATL - PDL
2 stops24h 15mMultiple Airlines
Thu 12/116:40 amPDL - ATL
2 stops21h 57mMultiple Airlines
Deal found 11/4$557
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/306:10 amATL - LIS
1 stop22h 10mUnited Airlines
Sun 12/145:00 amLIS - ATL
1 stop14h 30mUnited Airlines
Deal found 11/4$557
This FlightHub deal was found by Cheapflights users on 11/4. 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.
Thu 11/1312:55 pmATL - LIS
1 stop15h 25mAir Canada
Wed 11/195:00 amLIS - ATL
2 stops21h 43mAir Canada
Deal found 11/4$558
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:55 pmATL - OPO
1 stop13h 45mLufthansa
Tue 1/134:15 pmOPO - ATL
1 stop27h 15mLufthansa
Deal found 11/5$562

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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$543
(Kiwi.com)

One-way from

$230
(Travelocity)

Popular in

June

Cheapest in

February

Average price

$750
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 ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 5, 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

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 2/18

2:39 pm-8:10 am

2 stops12h 31m

Lisbon Humberto Delgado

Wed 4/15

5:05 am-1:55 pm

1 stop13h 50m

$549

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 3/25

11:17 am-8:10 am

1 stop16h 53m

Lisbon Humberto Delgado

Wed 4/1

5:05 am-1:55 pm

1 stop13h 50m

$550

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/3

9:50 am-10:15 am

1 stop19h 25m

Lisbon Humberto Delgado

Tue 4/7

5:05 am-1:55 pm

1 stop13h 50m

$550

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 2/1

3:30 pm-8:00 am

1 stop11h 30m

Lisbon Humberto Delgado

Sun 2/15

5:00 am-1:35 pm

1 stop13h 35m

$555

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Thu 12/4

8:00 am-9:20 am

3 stops20h 20m

Lisbon Humberto Delgado

Thu 12/11

5:00 am-2:30 pm

1 stop14h 30m

$556

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Thu 12/4

7:30 pm-11:45 pm

2 stops24h 15m

Ponta Delgada Nordela

Thu 12/11

6:40 am-12:37 am

2 stops21h 57m

$557

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Fri 2/13

12:34 pm-11:20 am

2 stops17h 46m

Lisbon Humberto Delgado

Wed 2/18

5:00 am-2:45 pm

1 stop14h 45m

$564

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 2/1

5:15 pm-10:35 am

1 stop12h 20m

Lisbon Humberto Delgado

Sat 2/14

11:25 am-8:45 pm

1 stop14h 20m

$564

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Thu 2/5

5:15 pm-10:35 am

1 stop12h 20m

Lisbon Humberto Delgado

Mon 2/16

11:25 am-4:55 pm

1 stop34h 30m

$565

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 2/18

1:11 pm-11:20 am

2 stops17h 09m

Lisbon Humberto Delgado

Wed 4/15

11:40 am-11:27 pm

2 stops16h 47m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, November is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $516). Flying from Atlanta to Portugal in June is currently the most expensive (average of $888). 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 November 5, 2025.

It’s typically best to fly out from Atlanta to Portugal in the evening. Doing so could potentially save you 27% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Atlanta to Portugal?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Portugal. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their Atlanta to Portugal flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 November 5, 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
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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
8,004 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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
1,405 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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
9,001 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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
11,039 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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
7,495 reviews
Delta
7.9
Good
8,004 reviews

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Overall

7.9

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 United Airlines, KLM, and Delta fly from Atlanta to Portugal in about 11h 30m. The time it takes to get you to your destination can typically vary by up to 1h 01m. The distance between Atlanta and Portugal is about 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 Atlanta to Portugal one-way?

    $230 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on British Airways and TAP AIR PORTUGAL, with prices starting from $230 and $383, 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 - 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, November is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $516). Flying from Atlanta to Portugal in June is currently the most expensive (average of $888). 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.

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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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$484Average$739FlexibilityNo cancel feeOn-time77%
KLMCheapest$532Average$858FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$565Average$805FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$569Average$1,120FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$569Average$937FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$579Average$1,093FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$592Average$1,077FlexibilityNo cancel feeOn-time69%
DeltaCheapest$611Average$1,014FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$644Average$698FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$689Average$935FlexibilityNo cancel feeOn-time67%

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