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$256+ 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
mar. 19 — mar. 261
mié. 3/19
mié. 3/26
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 marzo 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$649
(Kiwi.com)

One-way from

$256
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$798
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 marzo 14, 2025.

This Air Canada deal was found by Cheapflights users on 3/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/139:00 amATL - OPO
2 stops21h 10mMultiple Airlines
mar. 11/187:30 pmOPO - ATL
2 stops31h 32mMultiple Airlines
Deal found 3/13$613
This United deal was found by Cheapflights users on 3/12. 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.
jue. 11/134:50 pmATL - OPO
1 stop17h 25mUnited Airlines
mar. 11/1812:30 pmOPO - ATL
2 stops38h 32mUnited Airlines
Deal found 3/12$628
This Lufthansa deal was found by Cheapflights users on 3/13. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/134:50 pmATL - OPO
1 stop13h 50mLufthansa
mar. 11/1812:30 pmOPO - ATL
1 stop31h 35mLufthansa
Deal found 3/13$641
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/82:50 pmATL - LIS
1 stop14h 20mMultiple Airlines
dom. 4/1310:40 pmLIS - ATL
2 stops49h 07mMultiple Airlines
Deal found 3/13$649
This United Airlines deal was found by Cheapflights users on 3/12. 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.
vie. 12/57:35 pmATL - LIS
2 stops56h 45mUnited Airlines
mié. 12/1710:15 amLIS - ATL
1 stop12h 16mUnited Airlines
Deal found 3/12$653
This oojo deal was found by Cheapflights users on 3/12. 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.
mar. 10/143:00 pmATL - LIS
1 stop19h 30mTurkish Airlines
mar. 10/214:45 pmLIS - ATL
1 stop32h 05mTurkish Airlines
Deal found 3/12$671
This oojo deal was found by Cheapflights users on 3/13. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/19:45 pmATL - OPO
1 stop31h 05mTurkish Airlines
mar. 9/94:50 pmOPO - ATL
1 stop32h 00mTurkish Airlines
Deal found 3/13$683
This Air Canada deal was found by Cheapflights users on 3/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/2811:45 amATL - OPO
2 stops18h 40mAir Canada
mié. 9/246:00 amOPO - ATL
2 stops20h 34mAir Canada
Deal found 3/13$700
This KLM deal was found by Cheapflights users on 3/12. 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.
jue. 10/2310:00 pmATL - OPO
1 stop12h 30mKLM
sáb. 11/15:00 amOPO - ATL
1 stop20h 30mKLM
Deal found 3/12$704
This Delta deal was found by Cheapflights users on 3/11. 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.
lun. 5/59:50 pmATL - OPO
1 stop12h 40mDelta
lun. 5/1211:25 amOPO - ATL
1 stop31h 05mDelta
Deal found 3/11$711
This SWISS deal was found by Cheapflights users on 3/13. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/712:33 pmATL - OPO
2 stops38h 22mSWISS
lun. 4/1412:50 pmOPO - ATL
2 stops33h 59mSWISS
Deal found 3/13$722
This Air France deal was found by Cheapflights users on 3/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/88:05 pmATL - OPO
1 stop14h 25mAir France
dom. 4/134:20 pmOPO - ATL
1 stop25h 45mAir France
Deal found 3/13$729

Find flights from Atlanta to Portugal within your budget

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 marzo 14, 2025.

Fly from

Atlanta

Fly to

Portugal

Route

Depart

Return

Price

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mar. 4/8

2:50 pm-10:10 am

1 stop14h 20m

Lisbon Humberto Delgado

dom. 4/13

10:40 pm-6:47 pm

2 stops49h 07m

$649

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 5/5

2:46 pm-10:30 am

1 stop14h 44m

Porto

mar. 5/13

9:25 am-8:37 am

2 stops28h 12m

$680

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mié. 9/3

9:45 pm-9:40 am

1 stop30h 55m

Lisbon Humberto Delgado

mié. 9/17

4:30 pm-12:55 pm

1 stop25h 25m

$694

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 4/28

11:45 am-11:25 am

2 stops18h 40m

Porto

mié. 9/24

6:00 am-9:34 pm

2 stops20h 34m

$700

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

jue. 5/1

3:00 pm-3:50 pm

1 stop19h 50m

Porto

jue. 5/8

11:05 am-7:50 pm

1 stop37h 45m

$707

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 5/5

9:50 pm-3:30 pm

1 stop12h 40m

Porto

lun. 5/12

11:25 am-1:30 pm

1 stop31h 05m

$711

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

jue. 4/24

10:00 pm-3:30 pm

1 stop12h 30m

Porto

dom. 5/4

6:35 am-5:25 pm

1 stop15h 50m

$717

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

lun. 4/7

12:33 pm-7:55 am

2 stops38h 22m

Porto

lun. 4/14

12:50 pm-5:49 pm

2 stops33h 59m

$722

AtlantaPorto

ATL - OPO

ATLOPO

Atlanta Hartsfield-Jackson

mar. 4/8

8:05 pm-3:30 pm

1 stop14h 25m

Porto

dom. 4/13

4:20 pm-1:05 pm

1 stop25h 45m

$729

AtlantaLisbon

ATL - LIS

ATLLIS

Atlanta Hartsfield-Jackson

mié. 4/2

9:20 am-11:10 am

1 stop20h 50m

Lisbon Humberto Delgado

mié. 4/9

11:25 am-5:43 pm

2 stops35h 18m

$730

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 50 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.

Travel insights for flights from Atlanta to Portugal

Get recent, data-driven insights about flights from Atlanta to Portugal including ideal travel times, pricing trends, and more.

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 $1,222). 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 marzo 14, 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 marzo 14, 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
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
7,944 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,320 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,268 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,564 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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
1,424 reviews
Delta
8.0
Very good
7,944 reviews

Overall

8.0

Boarding

8.2

Food

7.3

Comfort

8.0

Crew

8.5

Entertainment

7.9

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?

    $428 is the cheapest one-way deal found within the past few days, from Scandinavian Airlines. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $487 and $507, 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, 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 $1,222). 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.

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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 marzo 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$532Average$1,005FlexibilityNo cancel feeOn-time77%
KLMCheapest$546Average$894FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$568Average$1,128FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$569Average$1,085FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$571Average$894FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$573Average$953FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$579Average$1,244FlexibilityNo cancel feeOn-time69%
DeltaCheapest$587Average$1,067FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$600Average$884FlexibilityNo cancel feeOn-time72%
Scandinavian AirlinesCheapest$609Average$782FlexibilityNo cancel feeOn-time77%
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