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Portugal

$254+ 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 7/23. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap 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 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$627
(Mytrip)

One-way from

$314
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$809
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Lisbon Humberto Delgado flights.
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From Atlanta Hartsfield-Jackson to Portugal
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One-way flight from Atlanta Hartsfield-Jackson to Portugal
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Highest demand for flights based on searches. 20% potential increase in price ($241 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 25, 2025.

This Air Canada deal was found by Cheapflights users on 3/24. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/119:00 amATL - OPO
2 stops21h 15mMultiple Airlines
Wed 11/197:30 pmOPO - ATL
2 stops49h 47mMultiple Airlines
Deal found 3/24$563
This United deal was found by Cheapflights users on 3/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:50 pmATL - OPO
1 stop13h 50mUnited Airlines
Wed 11/196:00 amOPO - ATL
2 stops39h 17mUnited Airlines
Deal found 3/24$578
This Lufthansa deal was found by Cheapflights users on 3/24. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/114:50 pmATL - OPO
1 stop17h 25mLufthansa
Wed 11/196:00 amOPO - ATL
2 stops18h 07mLufthansa
Deal found 3/24$583
This Billigflug deal was found by Cheapflights users on 3/24. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/89:51 amATL - OPO
1 stop18h 54mAir Canada
Thu 5/156:00 amOPO - ATL
2 stops20h 34mAir Canada
Deal found 3/24$663
This United deal was found by Cheapflights users on 3/23. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:40 amATL - LIS
1 stop23h 35mUnited Airlines
Thu 11/1311:00 amLIS - ATL
1 stop34h 17mUnited Airlines
Deal found 3/23$670
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/143:00 pmATL - LIS
1 stop19h 30mTurkish Airlines
Tue 10/215:55 amLIS - ATL
1 stop18h 55mTurkish Airlines
Deal found 3/23$671
This Gurufare deal was found by Cheapflights users on 3/23. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:55 pmATL - LIS
1 stop32h 10mMultiple Airlines
Wed 10/297:05 amLIS - ATL
1 stop15h 20mMultiple Airlines
Deal found 3/23$674
This oojo deal was found by Cheapflights users on 3/24. 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 9/19:45 pmATL - OPO
1 stop31h 05mTurkish Airlines
Tue 9/910:50 amOPO - ATL
1 stop38h 00mTurkish Airlines
Deal found 3/24$683
This Gotogate deal was found by Cheapflights users on 3/24. 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.
Mon 4/147:55 pmATL - FAO
1 stop16h 00mScandinavian Airlines
Wed 4/309:40 amFAO - ATL
1 stop36h 40mScandinavian Airlines
Deal found 3/24$703
This Delta deal was found by Cheapflights users on 3/24. 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.
Sun 4/134:30 pmATL - OPO
1 stop18h 00mDelta
Wed 4/236:20 amOPO - ATL
1 stop15h 49mDelta
Deal found 3/24$712
This Delta deal was found by Cheapflights users on 3/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:45 pmATL - LIS
2 stops16h 45mDelta
Fri 11/215:00 amLIS - ATL
2 stops20h 09mDelta
Deal found 3/23$714
This Air Canada deal was found by Cheapflights users on 3/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/218:55 amATL - LIS
1 stop19h 25mAir Canada
Wed 10/2911:00 amLIS - ATL
2 stops33h 17mAir Canada
Deal found 3/23$718

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 25, 2025.
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

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 5/8

4:46 pm-9:45 pm

2 stops23h 59m

Porto

Thu 5/15

6:40 am-6:54 am

2 stops29h 14m

$627

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Thu 5/8

9:51 am-9:45 am

1 stop18h 54m

Porto

Thu 5/15

6:00 am-9:34 pm

2 stops20h 34m

$663

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Wed 7/23

9:45 pm-9:40 am

1 stop30h 55m

Lisbon Humberto Delgado

Wed 7/30

10:55 am-12:55 pm

1 stop31h 00m

$671

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 5/5

12:53 pm-10:10 am

1 stop16h 17m

Lisbon Humberto Delgado

Tue 5/6

9:25 pm-10:35 pm

2 stops54h 10m

$681

AtlantaFaro

ATL - FAO

ATLFAO

Atlanta Hartsfield-Jackson

Mon 4/14

7:55 pm-4:55 pm

1 stop16h 00m

Faro

Wed 4/30

9:40 am-5:20 pm

1 stop36h 40m

$703

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 4/13

4:30 pm-3:30 pm

1 stop18h 00m

Porto

Wed 4/23

6:20 am-5:09 pm

1 stop15h 49m

$712

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Thu 8/14

7:55 pm-5:45 pm

2 stops40h 50m

Lisbon Humberto Delgado

Wed 8/20

7:15 am-5:20 pm

1 stop15h 05m

$720

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 4/7

9:45 pm-9:50 am

1 stop31h 05m

Porto

Mon 4/21

10:55 am-12:55 pm

1 stop31h 00m

$723

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 5/19

5:30 am-3:45 pm

2 stops29h 15m

Porto

Wed 9/24

9:35 am-6:33 pm

1 stop13h 58m

$724

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sat 5/3

3:30 pm-6:15 pm

2 stops45h 45m

Porto

Sat 5/10

7:20 pm-9:15 pm

2 stops30h 55m

$728

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 53 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, January is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $612). Flying from Atlanta to Portugal in June is currently the most expensive (average of $1,219). 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.

What is the cheapest time of day to fly from ATL to PT?

Find hourly flight availability from Atlanta to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 25, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Portugal as you normally would.

Rainfall in Portugal by month

Plan your trip to Portugal by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portugal ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Portugal when rainfall is around 0.2 in.

Temperature in Portugal by month

Plan your trip to Portugal by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portugal, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 25, 2025.
See what other customers who have flown with Delta, KLM and SWISS from Atlanta to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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
1,318 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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.
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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.
Air France
7.4
Good
1,422 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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
8,605 reviews
Delta
8.0
Very good
7,890 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

8.0

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.

  • What are the cheapest airlines to fly from Atlanta to Portugal one-way?

    $488 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on KLM and TAP AIR PORTUGAL, with prices starting from $505 and $535, 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 - Faro.

  • 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, January is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $612). Flying from Atlanta to Portugal in June is currently the most expensive (average of $1,219). 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$532Average$1,005FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$893FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$568Average$1,121FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$573Average$1,083FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$579Average$1,228FlexibilityNo cancel feeOn-time69%
DeltaCheapest$586Average$1,065FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$590Average$902FlexibilityNo cancel feeOn-time70%
Virgin AtlanticCheapest$600Average$951FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$609Average$791FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$626Average$708FlexibilityNo cancel feeOn-time77%
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