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$291+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$690
(Air Canada)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$873
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. 19% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This United deal was found by Cheapflights users on 4/15. 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 11/116:30 amATL - OPO
2 stops22h 00mUnited Airlines
Wed 11/1912:35 pmOPO - ATL
1 stop12h 29mUnited Airlines
Deal found 4/15$561
This Air Canada deal was found by Cheapflights users on 4/15. 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 stops28h 40mMultiple Airlines
Wed 11/197:30 pmOPO - ATL
2 stops31h 32mMultiple Airlines
Deal found 4/15$564
This Air Canada deal was found by Cheapflights users on 4/15. 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 10/1411:20 amATL - OPO
2 stops19h 10mAir Canada
Tue 10/216:00 amOPO - ATL
2 stops20h 34mAir Canada
Deal found 4/15$638
This FlightHub deal was found by Cheapflights users on 4/13. 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 9/159:45 pmATL - OPO
1 stop37h 05mTurkish Airlines
Tue 10/2811:00 amOPO - ATL
1 stop37h 55mTurkish Airlines
Deal found 4/13$691
This KLM deal was found by Cheapflights users on 4/15. 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.
Sun 7/66:00 pmATL - OPO
1 stop16h 30mKLM
Wed 9/248:10 pmOPO - ATL
1 stop22h 20mKLM
Deal found 4/15$714
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/148:05 pmATL - OPO
1 stop31h 20mDelta
Thu 5/2211:25 amOPO - ATL
1 stop29h 50mDelta
Deal found 4/14$716
This Expedia deal was found by Cheapflights users on 4/13. 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.
Thu 10/164:05 pmATL - OPO
1 stop18h 40mLufthansa
Sun 11/25:00 amOPO - ATL
2 stops43h 51mLufthansa
Deal found 4/13$732
This United deal was found by Cheapflights users on 4/14. 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.
Mon 11/176:30 amATL - LIS
3 stops22h 45mUnited Airlines
Mon 12/111:00 amLIS - ATL
2 stops34h 58mUnited Airlines
Deal found 4/14$749
This Turkish Airlines deal was found by Cheapflights users on 4/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/279:45 pmATL - LIS
1 stop36h 45mTurkish Airlines
Wed 9/34:30 pmLIS - ATL
1 stop25h 25mTurkish Airlines
Deal found 4/14$750
This Air Canada deal was found by Cheapflights users on 4/14. 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.
Mon 10/132:00 pmATL - LIS
1 stop14h 20mAir Canada
Sun 10/1912:50 pmLIS - ATL
1 stop15h 19mAir Canada
Deal found 4/14$751
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Mon 5/512:36 pmATL - LIS
1 stop17h 04mMultiple Airlines
Tue 5/138:45 pmLIS - ATL
2 stops31h 16mMultiple Airlines
Deal found 4/14$752
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 5/1510:15 pmATL - PDL
2 stops34h 35mMultiple Airlines
Mon 5/195:30 pmPDL - ATL
1 stop19h 07mMultiple Airlines
Deal found 4/14$756

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 15, 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

Sun 7/6

4:05 pm-9:35 am

2 stops36h 30m

Porto

Wed 9/24

6:00 am-9:34 pm

2 stops20h 34m

$690

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Sun 7/6

6:00 pm-3:30 pm

1 stop16h 30m

Porto

Wed 9/24

8:10 pm-1:30 pm

1 stop22h 20m

$714

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Wed 5/14

8:05 pm-8:25 am

1 stop31h 20m

Porto

Fri 5/23

6:40 am-5:02 pm

1 stop15h 22m

$716

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Mon 5/5

8:55 am-11:25 am

2 stops21h 30m

Porto

Tue 5/13

12:15 pm-9:15 pm

2 stops38h 00m

$717

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 5/5

12:36 pm-10:40 am

1 stop17h 04m

Lisbon Humberto Delgado

Tue 5/13

8:45 pm-11:01 pm

2 stops31h 16m

$752

AtlantaPonta Delgada

ATL - PDL

ATLPDL

Atlanta Hartsfield-Jackson

Thu 5/15

10:15 pm-12:50 pm

2 stops34h 35m

Ponta Delgada Nordela

Mon 5/19

5:30 pm-8:37 am

1 stop19h 07m

$756

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

Fri 4/25

8:05 pm-8:35 pm

1 stop19h 30m

Porto

Mon 5/5

4:20 pm-12:55 pm

1 stop25h 35m

$792

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Mon 4/28

5:40 am-10:30 am

1 stop23h 50m

Lisbon Humberto Delgado

Wed 10/8

11:25 am-12:14 pm

1 stop29h 49m

$793

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Sun 4/27

10:20 pm-12:45 pm

1 stop33h 25m

Lisbon Humberto Delgado

Tue 5/13

11:05 am-8:48 pm

1 stop14h 43m

$810

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

Tue 4/22

10:20 pm-11:00 pm

1 stop19h 40m

Lisbon Humberto Delgado

Wed 4/30

11:05 am-9:42 pm

1 stop15h 37m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 $1,203). 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 April 15, 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 April 15, 2025.
See what other customers who have flown with Delta, KLM and Finnair 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
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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
1,323 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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.
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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.
SWISS
7.5
Good
1,578 reviews
Delta
8.0
Very good
7,917 reviews

Food

7.3

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

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.

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

    $497 is the cheapest one-way deal found within the past few days, from Lufthansa. You may also be able to find cheap deals on Air Canada and Air France, with prices starting from $558 and $572, 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 $1,203). 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$532Average$1,005FlexibilityNo cancel feeOn-time77%
KLMCheapest$556Average$895FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$568Average$1,121FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$572Average$1,071FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$579Average$1,227FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$588Average$844FlexibilityNo cancel feeOn-time70%
DeltaCheapest$597Average$1,057FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$600Average$951FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$609Average$798FlexibilityNo cancel feeOn-time77%
Turkish AirlinesCheapest$626Average$707FlexibilityNo cancel feeOn-time77%

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