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Portugal

$330+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Jun 7 — Jun 141
Sun 6/7
Sun 6/14
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 May 8, 2026.

This Expedia deal was found by Cheapflights users on 5/5. 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 10/1410:57 am
ATL
-
OPO
2 stops19h 48m
Iberia
Wed 11/48:40 pm
OPO
-
ATL
2 stops26h 08m
Iberia
Deal found 5/5$731
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 10/317:35 pm
ATL
-
LIS
2 stops32h 35m
United Airlines
Wed 11/45:00 am
LIS
-
ATL
1 stop14h 30m
United Airlines
Deal found 5/4$738
This Booking.com deal was found by Cheapflights users on 5/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:59 pm
ATL
-
LIS
2 stops36h 01m
Air Canada
Wed 11/411:20 am
LIS
-
ATL
2 stops35h 11m
Air Canada
Deal found 5/4$739
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Sat 11/147:40 pm
ATL
-
LIS
1 stop31h 30m
United Airlines
Fri 11/206:10 am
LIS
-
ATL
2 stops21h 51m
United Airlines
Deal found 5/4$745
This American Airlines deal was found by Cheapflights users on 5/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/301:21 pm
ATL
-
LIS
2 stops14h 44m
American Airlines
Tue 12/86:30 am
LIS
-
ATL
2 stops18h 19m
American Airlines
Deal found 5/3$748
This FlightHub deal was found by Cheapflights users on 5/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/13:05 pm
ATL
-
OPO
1 stop19h 35m
Turkish Airlines
Wed 9/304:40 pm
OPO
-
ATL
1 stop32h 05m
Turkish Airlines
Deal found 5/5$767
This United Airlines deal was found by Cheapflights users on 5/5. 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 10/1412:55 pm
ATL
-
OPO
1 stop13h 05m
United Airlines
Wed 11/46:00 am
OPO
-
ATL
2 stops20h 21m
United Airlines
Deal found 5/5$777
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:05 pm
ATL
-
LIS
1 stop19h 35m
Turkish Airlines
Fri 9/1111:00 am
LIS
-
ATL
1 stop37h 45m
Turkish Airlines
Deal found 5/3$780
This Iberia deal was found by Cheapflights users on 5/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:20 pm
ATL
-
OPO
2 stops17h 25m
Multiple Airlines
Sun 11/88:20 am
OPO
-
ATL
2 stops19h 36m
Multiple Airlines
Deal found 5/6$781
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:50 pm
ATL
-
LIS
1 stop36h 50m
Turkish Airlines
Wed 9/165:55 am
LIS
-
ATL
1 stop18h 50m
Turkish Airlines
Deal found 5/3$783
This Expedia deal was found by Cheapflights users on 5/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:30 pm
ATL
-
OPO
1 stop17h 05m
British Airways
Tue 10/278:20 am
OPO
-
ATL
2 stops17h 16m
British Airways
Deal found 5/7$783
This American Airlines deal was found by Cheapflights users on 5/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/188:53 am
ATL
-
OPO
2 stops17h 47m
American Airlines
Tue 10/278:20 am
OPO
-
ATL
2 stops17h 16m
American Airlines
Deal found 5/7$787

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 May 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$731
(Expedia)

One-way from

$330
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$1,087
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 ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 8, 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

AtlantaFunchal

ATL - FNC

ATLFNC

Atlanta Hartsfield-Jackson

Wed 10/14

7:50 pm-9:40 am

1 stop32h 50m

Funchal Madeira

Wed 10/21

10:25 am-5:07 pm

1 stop35h 42m

$813

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 10/13

10:57 am-11:45 am

2 stops19h 48m

Porto

Sun 10/18

8:40 pm-7:18 pm

2 stops27h 38m

$871

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 10/13

10:30 pm-11:00 pm

1 stop19h 30m

Lisbon Humberto Delgado

Sun 10/18

6:35 am-11:33 pm

2 stops21h 58m

$874

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 9/29

12:55 pm-9:20 am

1 stop15h 25m

Lisbon Humberto Delgado

Tue 10/13

11:25 am-11:55 am

2 stops29h 30m

$885

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 9/30

1:55 pm-11:15 am

2 stops16h 20m

Lisbon Humberto Delgado

Fri 10/9

5:35 am-8:20 pm

2 stops19h 45m

$907

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 10/12

8:40 pm-9:45 am

1 stop32h 05m

Porto

Sun 10/18

11:20 am-11:55 am

2 stops29h 35m

$911

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Mon 9/14

12:30 pm-9:10 am

2 stops15h 40m

Faro

Fri 9/25

8:50 am-8:25 pm

1 stop16h 35m

$924

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Tue 7/7

2:31 pm-7:00 am

2 stops35h 29m

Porto

Tue 7/21

12:15 pm-3:28 pm

2 stops32h 13m

$924

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 9/23

12:55 pm-7:00 am

1 stop13h 05m

Porto

Fri 10/9

6:00 am-12:09 am

2 stops23h 09m

$926

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 8/31

9:23 am-9:20 am

2 stops18h 57m

Lisbon Humberto Delgado

Wed 9/9

11:25 am-2:35 pm

2 stops32h 10m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 59 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

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.

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 May 8, 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
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Delta
7.9
Good
8,456 reviews
Delta
7.9
Good
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
KLM
7.8
Good
1,511 reviews
Delta
7.9
Good
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
United Airlines
7.4
Good
9,693 reviews
Delta
7.9
Good
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
Lufthansa
6.8
Okay
7,980 reviews
Delta
7.9
Good
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.
British Airways
6.7
Okay
7,952 reviews
Delta
7.9
Good
8,456 reviews

Crew

8.5

Food

7.2

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Joel,May 2026

ATL - JAX

The flight was delivered 50 minutes and taxing took what felt like 20 minutes to takeoff.

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 Iberia, United Airlines, and Air Canada fly from Atlanta to Portugal in about 19h 48m. The time it takes to get you to your destination can typically vary by up to 16h 13m. 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, 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 May 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$437Average$1,009FlexibilityNo cancel feeOn-time69%
Air FranceCheapest$464Average$999FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$484Average$619FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$496Average$858FlexibilityNo cancel feeOn-time76%
KLMCheapest$513Average$877FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$531Average$906FlexibilityNo cancel feeOn-time70%
DeltaCheapest$577Average$996FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$584Average$1,093FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$629Average$1,111FlexibilityNo cancel feeOn-time67%
Turkish AirlinesCheapest$644Average$700FlexibilityNo cancel feeOn-time77%

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