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Portugal

$226+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
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 February 8, 2026.

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/239:00 pm
ATL
-
OPO
1 stop32h 35m
Scandinavian Airlines
Mon 3/3012:00 pm
OPO
-
ATL
1 stop34h 25m
Scandinavian Airlines
Deal found 2/6$495
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/169:00 pm
ATL
-
OPO
1 stop32h 35m
Scandinavian Airlines
Mon 3/3012:00 pm
OPO
-
ATL
1 stop34h 25m
Scandinavian Airlines
Deal found 2/7$503
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/99:00 pm
ATL
-
OPO
1 stop32h 35m
Scandinavian Airlines
Wed 3/2510:25 am
OPO
-
ATL
1 stop36h 00m
Scandinavian Airlines
Deal found 2/5$507
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.
Mon 4/134:50 pm
ATL
-
LIS
1 stop10h 30m
United Airlines
Wed 4/2211:25 am
LIS
-
ATL
2 stops29h 55m
United Airlines
Deal found 2/7$512
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.
Mon 3/211:30 am
ATL
-
LIS
2 stops15h 40m
United Airlines
Fri 3/135:00 am
LIS
-
ATL
1 stop14h 30m
United Airlines
Deal found 2/8$514
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/92:40 pm
ATL
-
LIS
2 stops12h 30m
United Airlines
Tue 2/1711:20 am
LIS
-
ATL
2 stops37h 14m
United Airlines
Deal found 2/5$516
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.
Tue 3/32:39 pm
ATL
-
LIS
2 stops12h 31m
United Airlines
Thu 3/125:00 am
LIS
-
ATL
2 stops44h 56m
United Airlines
Deal found 2/8$518
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:39 pm
ATL
-
LIS
2 stops12h 31m
United Airlines
Tue 3/175:00 am
LIS
-
ATL
2 stops19h 05m
United Airlines
Deal found 2/5$520
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:30 am
ATL
-
LIS
2 stops15h 40m
United Airlines
Wed 2/255:00 am
LIS
-
ATL
2 stops36h 03m
United Airlines
Deal found 2/5$523
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.
Sun 2/158:15 am
ATL
-
LIS
2 stops18h 55m
United Airlines
Tue 3/175:00 am
LIS
-
ATL
2 stops19h 05m
United Airlines
Deal found 2/7$524
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 2/184:35 pm
ATL
-
LIS
1 stop10h 35m
United Airlines
Wed 4/1511:25 am
LIS
-
ATL
1 stop15h 34m
United Airlines
Deal found 2/8$525
This KAYAK 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 KAYAK 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
Wed 3/185:00 am
LIS
-
ATL
1 stop14h 30m
Lufthansa
Deal found 2/5$526

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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$495
(oojo)

One-way from

$226
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$666
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 ($29 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 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 February 8, 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

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

$520

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/13

4:50 pm-8:20 am

1 stop10h 30m

Lisbon Humberto Delgado

Wed 4/22

11:25 am-9:59 pm

1 stop15h 34m

$525

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/20

5:23 pm-11:25 pm

2 stops25h 02m

Lisbon Humberto Delgado

Wed 4/29

6:35 am-9:58 pm

2 stops20h 23m

$526

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/17

10:02 am-10:15 am

1 stop20h 13m

Lisbon Humberto Delgado

Tue 3/24

12:20 pm-3:30 pm

1 stop31h 10m

$530

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/16

7:29 pm-10:15 am

1 stop10h 46m

Lisbon Humberto Delgado

Tue 3/24

12:20 pm-3:30 pm

1 stop31h 10m

$530

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 3/16

2:39 pm-8:10 am

2 stops13h 31m

Lisbon Humberto Delgado

Wed 3/25

10:15 am-8:05 pm

1 stop13h 50m

$532

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 3/8

11:10 pm-9:50 am

1 stop30h 40m

Lisbon Humberto Delgado

Mon 3/16

6:35 pm-9:10 pm

1 stop30h 35m

$536

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 3/10

2:19 pm-11:25 pm

2 stops29h 06m

Lisbon Humberto Delgado

Tue 4/28

6:35 am-9:58 pm

2 stops20h 23m

$544

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 3/9

4:45 pm-10:30 am

1 stop13h 45m

Porto

Wed 3/25

11:15 am-9:45 pm

1 stop14h 30m

$550

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 3/15

5:55 pm-3:05 pm

1 stop17h 10m

Lisbon Humberto Delgado

Wed 3/25

11:55 am-10:20 am

2 stops26h 25m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

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 $874). 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 February 8, 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
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
8,172 reviews
Delta
7.9
Good
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
1,450 reviews
Delta
7.9
Good
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
9,254 reviews
Delta
7.9
Good
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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.
Lufthansa
6.8
Okay
7,773 reviews
Delta
7.9
Good
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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
7,720 reviews
Delta
7.9
Good
8,172 reviews

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Crew

8.5

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, Finnair, and Delta fly from Atlanta to Portugal in about 10h 35m. The time it takes to get you to your destination can typically vary by up to 14h 27m. 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?

    $208 is the cheapest one-way deal found within the past few days, from Air France. You may also be able to find cheap deals on British Airways and Delta, with prices starting from $226 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 - Ponta Delgada Nordela.

  • 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 $874). 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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$480Average$1,176FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$484Average$605FlexibilityNo cancel feeOn-time77%
KLMCheapest$513Average$1,029FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$516Average$822FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$531Average$1,056FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$531Average$943FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$564Average$1,121FlexibilityNo cancel feeOn-time77%
DeltaCheapest$583Average$1,015FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$627Average$959FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$644Average$718FlexibilityNo cancel feeOn-time77%

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