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Portugal

$255+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Mytrip deal was found by Cheapflights users on 3/8. 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.
Thu 4/237:25 pm
ATL
-
OPO
1 stop32h 20m
Scandinavian Airlines
Fri 5/85:55 pm
OPO
-
ATL
1 stop28h 30m
Scandinavian Airlines
Deal found 3/8$536
This Mytrip deal was found by Cheapflights users on 3/7. 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.
Thu 4/237:25 pm
ATL
-
LIS
1 stop20h 00m
Scandinavian Airlines
Wed 5/64:25 pm
LIS
-
ATL
1 stop30h 00m
Scandinavian Airlines
Deal found 3/7$550
This oojo deal was found by Cheapflights users on 3/6. 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 9/77:30 pm
ATL
-
LIS
1 stop32h 30m
Scandinavian Airlines
Wed 9/164:25 pm
LIS
-
ATL
1 stop29h 40m
Scandinavian Airlines
Deal found 3/6$554
This Mytrip deal was found by Cheapflights users on 3/9. 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 9/127:30 pm
ATL
-
LIS
2 stops21h 35m
Scandinavian Airlines
Sat 9/194:25 pm
LIS
-
ATL
1 stop29h 40m
Scandinavian Airlines
Deal found 3/9$556
This oojo deal was found by Cheapflights users on 3/6. 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.
Thu 4/97:25 pm
ATL
-
OPO
1 stop32h 20m
Scandinavian Airlines
Wed 4/2211:50 am
OPO
-
ATL
1 stop34h 35m
Scandinavian Airlines
Deal found 3/6$556
This Mytrip deal was found by Cheapflights users on 3/9. 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 4/97:25 pm
ATL
-
LIS
1 stop32h 30m
Scandinavian Airlines
Wed 4/225:00 pm
LIS
-
ATL
1 stop29h 25m
Scandinavian Airlines
Deal found 3/9$566
This United Airlines deal was found by Cheapflights users on 3/5. 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.
Wed 11/45:50 pm
ATL
-
OPO
1 stop10h 40m
United Airlines
Wed 11/116:00 am
OPO
-
ATL
2 stops35h 03m
United Airlines
Deal found 3/5$566
This United Airlines deal was found by Cheapflights users on 3/8. 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 11/94:22 pm
ATL
-
OPO
1 stop12h 08m
United Airlines
Fri 11/136:00 am
OPO
-
ATL
2 stops22h 56m
United Airlines
Deal found 3/8$568
This Expedia deal was found by Cheapflights users on 3/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:30 pm
ATL
-
OPO
2 stops22h 00m
Multiple Airlines
Wed 11/117:20 pm
OPO
-
ATL
2 stops31h 23m
Multiple Airlines
Deal found 3/5$578
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Wed 11/48:00 pm
ATL
-
LIS
1 stop20h 40m
Scandinavian Airlines
Wed 11/117:00 am
LIS
-
ATL
1 stop16h 00m
Scandinavian Airlines
Deal found 3/5$580
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Sat 11/147:10 pm
ATL
-
LIS
1 stop33h 10m
United Airlines
Fri 11/205:00 am
LIS
-
ATL
1 stop14h 30m
United Airlines
Deal found 3/8$581
This FlightHub deal was found by Cheapflights users on 3/10. 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.
Fri 9/117:30 pm
ATL
-
LIS
2 stops39h 30m
Scandinavian Airlines
Sat 9/194:25 pm
LIS
-
ATL
1 stop29h 40m
Scandinavian Airlines
Deal found 3/10$582

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$536
(Mytrip)

One-way from

$255
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$757
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. 20% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 2026.
Use the filters below to find and compare flights from Atlanta to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sat 4/18

7:31 pm-9:20 am

2 stops32h 49m

Lisbon Humberto Delgado

Wed 5/6

10:25 am-6:28 pm

1 stop13h 03m

$664

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/19

9:50 pm-3:25 pm

1 stop12h 35m

Porto

Thu 4/30

5:55 am-7:53 pm

2 stops18h 58m

$685

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/7

7:31 pm-11:05 am

2 stops34h 34m

Lisbon Humberto Delgado

Tue 4/14

11:25 am-9:59 pm

1 stop15h 34m

$712

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 4/8

12:29 pm-10:40 am

2 stops17h 11m

Porto

Wed 4/15

5:00 am-3:58 pm

2 stops15h 58m

$733

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 4/19

10:40 pm-9:10 am

1 stop29h 30m

Funchal Madeira

Sun 4/26

6:40 pm-8:25 pm

1 stop30h 45m

$743

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Tue 4/21

3:25 pm-7:30 pm

1 stop23h 05m

Faro

Tue 4/28

8:15 pm-12:44 pm

1 stop21h 29m

$753

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Tue 4/7

9:00 am-11:45 pm

2 stops34h 45m

Ponta Delgada Nordela

Tue 4/14

6:30 am-9:18 am

2 stops30h 48m

$768

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/19

3:49 pm-3:25 pm

2 stops18h 36m

Porto

Sun 4/26

5:55 am-7:44 pm

2 stops18h 49m

$785

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 4/9

12:00 pm-10:40 am

2 stops17h 40m

Porto

Thu 4/16

5:00 am-2:00 pm

1 stop14h 00m

$823

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Sun 4/19

3:17 pm-9:05 pm

2 stops24h 48m

Funchal Madeira

Sat 4/25

12:10 am-7:59 am

3 stops36h 49m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $871). 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 March 10, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, andUnited 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
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
1,468 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
9,409 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
7,840 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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
7,781 reviews
Delta
7.9
Good
8,276 reviews

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

Crew

8.5

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, Delta, and KLM fly from Atlanta to Portugal in about 12h 35m. The time it takes to get you to your destination can typically vary by up to 20h 14m. 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?

    $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 $871). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$480Average$1,154FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$484Average$619FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$513Average$858FlexibilityNo cancel feeOn-time76%
KLMCheapest$513Average$905FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$522Average$970FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$529Average$901FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$564Average$1,156FlexibilityNo cancel feeOn-time77%
DeltaCheapest$601Average$1,005FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$629Average$1,019FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$644Average$712FlexibilityNo cancel feeOn-time77%

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