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Portugal

$362+ 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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
maj 23 — maj 301
lør. 5/23
lør. 5/30
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 april 23, 2026.

This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 11/28:00 pm
ATL
-
LIS
1 stop15h 05m
Scandinavian Airlines
tor. 11/124:55 pm
LIS
-
ATL
1 stop29h 50m
Scandinavian Airlines
Deal found 4/19$651
This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 9/19:50 pm
ATL
-
OPO
1 stop36h 50m
Turkish Airlines
ons. 9/304:40 pm
OPO
-
ATL
1 stop32h 05m
Turkish Airlines
Deal found 4/19$680
This Scandinavian Airlines deal was found by Cheapflights users on 4/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 11/98:00 pm
ATL
-
LIS
1 stop15h 05m
Scandinavian Airlines
tor. 11/124:55 pm
LIS
-
ATL
1 stop29h 50m
Scandinavian Airlines
Deal found 4/19$687
This FlightHub deal was found by Cheapflights users on 4/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons. 9/99:50 pm
ATL
-
LIS
1 stop36h 55m
Turkish Airlines
ons. 9/165:55 am
LIS
-
ATL
1 stop18h 50m
Turkish Airlines
Deal found 4/20$689
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 11/212:55 pm
ATL
-
LIS
2 stops17h 05m
Multiple Airlines
tir. 11/105:00 am
LIS
-
ATL
1 stop14h 30m
Multiple Airlines
Deal found 4/22$690
This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tir. 9/83:05 pm
ATL
-
LIS
1 stop19h 35m
Turkish Airlines
tir. 9/225:55 am
LIS
-
ATL
1 stop18h 50m
Turkish Airlines
Deal found 4/19$692
This FlightHub deal was found by Cheapflights users on 4/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 5/29:50 pm
ATL
-
OPO
1 stop30h 50m
Turkish Airlines
fre. 5/810:40 am
OPO
-
ATL
1 stop38h 05m
Turkish Airlines
Deal found 4/19$692
This Gotogate deal was found by Cheapflights users on 4/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 11/16:10 am
ATL
-
LIS
1 stop23h 50m
Multiple Airlines
ons. 11/115:00 am
LIS
-
ATL
1 stop14h 30m
Multiple Airlines
Deal found 4/22$693
This Kiwi.com deal was found by Cheapflights users on 4/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 8/309:50 pm
ATL
-
LIS
1 stop31h 05m
Turkish Airlines
tir. 9/85:55 am
LIS
-
ATL
1 stop18h 50m
Turkish Airlines
Deal found 4/19$699
This Kiwi.com deal was found by Cheapflights users on 4/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre. 9/117:30 pm
ATL
-
LIS
1 stop15h 05m
Scandinavian Airlines
lør. 9/194:25 pm
LIS
-
ATL
1 stop29h 40m
Scandinavian Airlines
Deal found 4/20$704
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 11/22:30 pm
ATL
-
LIS
2 stops12h 40m
United Airlines
tor. 11/125:00 am
LIS
-
ATL
1 stop14h 30m
United Airlines
Deal found 4/23$706
This FlightHub deal was found by Cheapflights users on 4/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 10/129:50 pm
ATL
-
OPO
1 stop36h 50m
Turkish Airlines
man. 10/1910:40 am
OPO
-
ATL
1 stop31h 20m
Turkish Airlines
Deal found 4/18$714

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 april 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$680
(FlightHub)

One-way from

$362
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$800
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. 19% potential increase in price ($211 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 april 23, 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

ons. 4/29

4:30 pm-11:15 am

1 stop13h 45m

Lisbon Humberto Delgado

lør. 5/9

11:55 am-8:25 pm

1 stop13h 30m

$782

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

tir. 5/5

2:37 pm-10:30 am

1 stop14h 53m

Lisbon Humberto Delgado

man. 5/11

11:25 am-2:41 pm

2 stops32h 16m

$835

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

tir. 5/5

2:31 pm-11:15 am

2 stops15h 44m

Lisbon Humberto Delgado

man. 5/11

5:00 am-1:59 pm

1 stop13h 59m

$838
Quickest round-trip

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

ons. 7/15

2:41 pm-8:20 am

2 stops12h 39m

Lisbon Humberto Delgado

ons. 7/29

12:55 pm-9:15 pm

1 stop13h 20m

$851

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

man. 10/5

6:10 pm-9:45 am

1 stop10h 35m

Porto

ons. 10/14

6:00 am-12:09 am

2 stops23h 09m

$877

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

fre. 5/8

5:00 pm-8:30 am

1 stop34h 30m

Faro

tor. 5/14

8:20 pm-1:59 pm

1 stop22h 39m

$938

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

tor. 10/15

6:44 pm-10:40 am

2 stops58h 56m

Funchal Madeira

søn. 11/15

2:10 pm-7:49 pm

2 stops34h 39m

$942

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

tir. 9/29

1:00 pm-9:05 pm

2 stops27h 05m

Funchal Madeira

tir. 10/6

5:50 am-12:12 am

2 stops23h 22m

$967

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

man. 4/27

12:35 pm-10:50 am

2 stops17h 15m

Lisbon Humberto Delgado

ons. 5/20

10:25 am-6:28 pm

1 stop13h 03m

$992

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

fre. 5/8

5:00 pm-8:30 am

1 stop34h 30m

Faro

fre. 5/15

9:15 pm-12:42 pm

1 stop20h 27m

$998

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

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, November is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $423). Flying from Atlanta to Portugal in July is currently the most expensive (average of $700). 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.

How often are flights from Atlanta to Portugal delayed?

About 100% of weekly flights between Atlanta and Portugal have experienced delays in the past year, with the average delay time being 63 minutes.

What is the most punctual flight time for Atlanta to Portugal flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

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 april 23, 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
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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
8,437 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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
7.8
Good
1,505 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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
9,637 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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
7,940 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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
7,906 reviews
Delta
7.9
Good
8,437 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Overall

7.9

Boarding

8.1

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 Delta, United Airlines, and KLM fly from Atlanta to Portugal in about 13h 45m. The time it takes to get you to your destination can typically vary by up to 11h. 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, November is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $423). Flying from Atlanta to Portugal in July is currently the most expensive (average of $700). 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 april 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$437Average$1,015FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$480Average$1,093FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$484Average$619FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$496Average$857FlexibilityNo cancel feeOn-time76%
KLMCheapest$513Average$839FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$531Average$887FlexibilityNo cancel feeOn-time70%
Air FranceCheapest$564Average$1,180FlexibilityNo cancel feeOn-time77%
DeltaCheapest$577Average$1,012FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$629Average$1,101FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$644Average$696FlexibilityNo cancel feeOn-time77%

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