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Portugal

$283+ 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
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 June 23, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 6/22. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:00 pm
ATL
-
OPO
1 stop34h 05m
Scandinavian Airlines
Thu 11/195:50 pm
OPO
-
ATL
1 stop28h 55m
Scandinavian Airlines
Deal found 6/22$648
This Orbitz deal was found by Cheapflights users on 6/21. 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.
Mon 11/210:15 pm
ATL
-
OPO
2 stops16h 45m
Iberia
Tue 11/178:40 pm
OPO
-
ATL
2 stops26h 08m
Iberia
Deal found 6/21$728
This Travelocity deal was found by Cheapflights users on 6/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:15 pm
ATL
-
OPO
2 stops16h 45m
Iberia
Mon 11/168:40 pm
OPO
-
ATL
2 stops26h 08m
Iberia
Deal found 6/18$729
This Travelocity deal was found by Cheapflights users on 6/20. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:00 am
ATL
-
OPO
2 stops17h 40m
Iberia
Tue 11/108:20 am
OPO
-
ATL
2 stops19h 36m
Iberia
Deal found 6/20$730
This KLM deal was found by Cheapflights users on 6/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:40 pm
ATL
-
OPO
1 stop11h 55m
KLM
Tue 11/109:55 am
OPO
-
ATL
1 stop15h 50m
KLM
Deal found 6/21$768
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:35 pm
ATL
-
OPO
1 stop33h 00m
Delta
Mon 11/1611:15 am
OPO
-
ATL
1 stop32h 45m
Delta
Deal found 6/21$769
This Iberia deal was found by Cheapflights users on 6/23. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:17 am
ATL
-
FNC
2 stops22h 08m
Iberia
Wed 10/211:35 pm
FNC
-
ATL
2 stops37h 01m
Iberia
Deal found 6/23$769
This Gotogate deal was found by Cheapflights users on 6/21. 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.
Tue 11/310:45 am
ATL
-
OPO
2 stops26h 45m
Multiple Airlines
Tue 11/1012:35 pm
OPO
-
ATL
1 stop31h 05m
Multiple Airlines
Deal found 6/21$770
This Delta deal was found by Cheapflights users on 6/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:00 pm
ATL
-
OPO
2 stops16h 35m
Delta
Tue 11/175:00 am
OPO
-
ATL
1 stop15h 00m
Delta
Deal found 6/21$772
This British Airways deal was found by Cheapflights users on 6/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:15 pm
ATL
-
OPO
1 stop14h 00m
British Airways
Mon 11/238:40 pm
OPO
-
ATL
2 stops28h 09m
British Airways
Deal found 6/22$775
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:35 am
ATL
-
OPO
1 stop17h 55m
United Airlines
Tue 11/106:00 am
OPO
-
ATL
2 stops33h 16m
United Airlines
Deal found 6/20$777
This Travelocity deal was found by Cheapflights users on 6/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:15 pm
ATL
-
OPO
2 stops16h 45m
Iberia
Sun 11/88:20 am
OPO
-
ATL
2 stops20h 37m
Iberia
Deal found 6/22$778

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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$648
(Scandinavian Airlines)

One-way from

$283
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,318
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. 22% potential increase in price ($261 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 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

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Wed 7/22

2:31 pm-8:40 am

1 stop14h 09m

Ponta Delgada Nordela

Wed 7/29

9:35 am-5:10 pm

2 stops35h 35m

$826

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Tue 7/14

7:15 am-8:40 am

1 stop21h 25m

Ponta Delgada Nordela

Wed 7/22

9:35 am-12:10 pm

1 stop30h 35m

$827

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Tue 7/14

3:00 pm-8:20 am

1 stop13h 20m

Ponta Delgada Nordela

Wed 7/22

9:35 am-5:10 pm

2 stops35h 35m

$830
Quickest round-trip

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Mon 7/13

2:41 pm-8:40 am

2 stops13h 59m

Ponta Delgada Nordela

Wed 7/22

11:00 am-11:30 pm

2 stops16h 30m

$831

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 9/8

3:05 pm-3:40 pm

1 stop19h 35m

Porto

Tue 9/22

4:50 pm-7:45 pm

1 stop31h 55m

$832

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Mon 7/6

7:32 pm-8:40 am

2 stops33h 08m

Ponta Delgada Nordela

Fri 7/17

9:35 am-4:19 pm

2 stops34h 44m

$840

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Tue 8/4

11:37 am-8:40 am

2 stops17h 03m

Ponta Delgada Nordela

Tue 8/11

11:00 am-10:17 am

2 stops27h 17m

$846

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Wed 7/8

3:30 pm-8:40 am

2 stops13h 10m

Ponta Delgada Nordela

Wed 7/15

11:00 am-12:30 am

2 stops17h 30m

$846

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Mon 7/6

9:26 am-8:40 am

1 stop19h 14m

Ponta Delgada Nordela

Fri 7/17

9:35 am-10:27 am

2 stops28h 52m

$855

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 9/8

9:50 pm-3:40 pm

1 stop36h 50m

Porto

Wed 9/16

10:45 am-7:45 pm

1 stop38h 00m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 57 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 June is currently the most expensive (average of $783). 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.

How far ahead should I book a flight from Atlanta to Portugal?

Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Portugal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 23, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, 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.
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
KLM
7.8
Good
1,530 reviews
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Delta
7.8
Good
8,424 reviews
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
United Airlines
7.4
Good
9,878 reviews
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
Lufthansa
6.8
Okay
8,090 reviews
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful
British Airways
6.7
Okay
8,067 reviews
KLM
7.8
Good
1,530 reviews

Boarding

7.8

Comfort

7.7

Overall

7.8

Food

7.3

Crew

8.4

Entertainment

7.2

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2026

OKC - ATL

Flight was ok - difficult as I had seat next to bathroom.. Food awful

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, Air Canada, and Turkish Airlines fly from Atlanta to Portugal in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 6h 15m. The distance between Atlanta and Portugal is about 3251 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?

    $237 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 Delta and Air Canada, with prices starting from $263 and $279, 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 June is currently the most expensive (average of $783). 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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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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$464Average$1,011FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$484Average$627FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$496Average$890FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$512Average$1,262FlexibilityNo cancel feeOn-time69%
KLMCheapest$513Average$944FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$531Average$971FlexibilityNo cancel feeOn-time70%
DeltaCheapest$580Average$1,060FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$584Average$1,093FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$644Average$701FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$650Average$1,028FlexibilityNo cancel feeOn-time71%

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