$305+ Cheap flights from Atlanta (ATL) to Porto (OPO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — OPO
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Porto with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Atlanta to Porto
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Best
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Cheapest flights from Atlanta to PortoExplore the most affordable flight options available from Atlanta to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Atlanta to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Expedia deal was found by Cheapflights users on 9/8. 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 12/210:15 pm -
1 stop13h 35m
Wed 12/98:20 am -
2 stops18h 08m
Deal found 9/8![British Airways logo]()
$549
This Expedia deal was found by Cheapflights users on 9/8. 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 12/210:37 am -
2 stops16h 03m
Wed 12/98:20 am -
2 stops19h 26m
Deal found 9/8![Multiple Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/263:12 pm -
2 stops16h 33m
Wed 11/118:20 am -
2 stops18h 08m
Deal found 9/9![American Airlines logo]()
$563
This Expedia deal was found by Cheapflights users on 9/8. 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 12/211:19 am -
2 stops19h 26m
Tue 12/88:40 pm -
2 stops29h 48m
Deal found 9/8![Iberia logo]()
$565
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/257:30 am -
1 stop19h 45m
Tue 11/105:00 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$566
This Iberia deal was found by Cheapflights users on 9/10. 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.
Tue 10/136:23 pm -
2 stops16h 37m
Tue 11/38:20 am -
2 stops19h 02m
Deal found 9/10![Multiple Airlines logo]()
$573
This Finnair deal was found by Cheapflights users on 9/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:28 pm -
2 stops17h 17m
Tue 12/158:40 pm -
2 stops32h 09m
Deal found 9/10![Multiple Airlines logo]()
$582
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/266:00 am -
1 stop23h 30m
Wed 11/1112:35 pm -
1 stop31h 05m
Deal found 9/9![United Airlines logo]()
$595
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:10 pm -
2 stops32h 50m
Wed 10/2111:20 am -
2 stops31h 17m
Deal found 9/11![United Airlines logo]()
$616
Best flights from Atlanta to PortoDiscover carefully curated flight deals from Atlanta to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Atlanta to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/111:00 am -
1 stop17h 30m
Mon 3/812:30 pm -
1 stop31h 10m
Deal found 9/11![United Airlines logo]()
$599
This Delta deal was found by Cheapflights users on 9/8. 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 10/264:45 pm -
1 stop13h 50m
Wed 11/115:00 am -
1 stop16h 57m
Deal found 9/8![Delta logo]()
$698
This British Airways deal was found by Cheapflights users on 9/9. 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.
Tue 9/2911:55 am -
2 stops14h 45m
Thu 10/298:40 pm -
2 stops30h 15m
Deal found 9/9![Multiple Airlines logo]()
$715
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:10 pm -
2 stops32h 50m
Wed 10/2111:20 am -
2 stops31h 17m
Deal found 9/11![United Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/139:55 pm -
1 stop12h 30m
Tue 11/35:00 am -
1 stop20h 40m
Deal found 9/6![Delta logo]()
$698
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/262:31 pm -
2 stops14h 59m
Wed 11/1112:35 pm -
1 stop31h 05m
Deal found 9/9![United Airlines logo]()
$664
This Delta deal was found by Cheapflights users on 9/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/41:00 pm -
2 stops16h 30m
Wed 1/135:00 am -
1 stop13h 35m
Deal found 9/6![Delta logo]()
$712
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:30 pm -
1 stop33h 00m
Thu 12/36:00 am -
2 stops17h 44m
Deal found 9/6![United Airlines logo]()
$712
This Delta deal was found by Cheapflights users on 9/8. 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 1/173:10 pm -
2 stops14h 25m
Wed 3/105:00 am -
1 stop13h 35m
Deal found 9/8![Delta logo]()
$713
Last-minute flights from Atlanta to PortoDiscover last-minute flight deals from Atlanta to Porto. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Porto. Data last updated September 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/125:10 pm -
2 stops32h 50m
Wed 10/2111:20 am -
2 stops31h 17m
Deal found 9/11![United Airlines logo]()
$616
This Iberia deal was found by Cheapflights users on 9/10. 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.
Tue 10/136:23 pm -
2 stops16h 37m
Tue 11/38:20 am -
2 stops19h 02m
Deal found 9/10![Multiple Airlines logo]()
$573
This FlightHub deal was found by Cheapflights users on 9/10. 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 10/131:05 pm -
1 stop12h 55m
Wed 10/2111:20 am -
1 stop15h 01m
Deal found 9/10![Multiple Airlines logo]()
$618
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:30 am -
2 stops19h 30m
Wed 10/2111:20 am -
1 stop15h 01m
Deal found 9/11![United Airlines logo]()
$623
This Air Canada deal was found by Cheapflights users on 9/10. 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 10/136:30 am -
2 stops19h 30m
Wed 10/2111:20 am -
2 stops29h 56m
Deal found 9/10![Air Canada logo]()
$631
This Expedia deal was found by Cheapflights users on 9/9. 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.
Mon 10/195:33 pm -
2 stops17h 27m
Mon 10/268:40 pm -
2 stops30h 35m
Deal found 9/9![Iberia logo]()
$643
This Delta deal was found by Cheapflights users on 9/11. 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.
Sun 10/257:30 am -
1 stop19h 45m
Tue 11/105:00 am -
1 stop20h 40m
Deal found 9/11![Delta logo]()
$566
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/263:12 pm -
2 stops16h 33m
Wed 11/118:20 am -
2 stops18h 08m
Deal found 9/9![American Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/266:00 am -
1 stop23h 30m
Wed 11/1112:35 pm -
1 stop31h 05m
Deal found 9/9![United Airlines logo]()
$595
One-way flights from Atlanta to PortoSearch for one-way flight options from Atlanta to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Atlanta to Porto. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:30 am -
3 stops34h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/97:49 pm -
2 stops55h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:20 pm -
3 stops54h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 2/83:50 pm -
1 stop13h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Delta logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/256:30 am -
3 stops35h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$363
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/241:30 pm -
3 stops24h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$376
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 11/208:15 am -
3 stops47h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$378
Find flight deals from Atlanta to Porto
Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $549 (Expedia) |
One-way from | $305 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $937 |
Cheapflights Fare Finder
Customize your flight search to find flights from Atlanta to Porto 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Atlanta to Porto that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 9/28
6:30 am-9:55 pm
3 stops34h 25m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$305
Quickest round-trip
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 2/8
3:50 pm-10:35 am
1 stop13h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$334
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Fri 9/25
6:30 am-11:15 pm
3 stops35h 45m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$363
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Sat 10/24
1:30 pm-6:30 pm
3 stops24h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$376
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Wed 9/23
3:30 pm-11:35 pm
2 stops27h 05m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$451
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Sat 10/31
7:34 pm-9:30 am
2 stops33h 56m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$469
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 3/1
11:00 am-9:30 am
1 stop17h 30m
Porto
Mon 3/8
12:30 pm-2:40 pm
1 stop31h 10m
$599
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 10/12
5:10 pm-7:00 am
2 stops32h 50m
Porto
Wed 10/21
11:20 am-1:37 pm
2 stops31h 17m
$616
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 10/26
2:31 pm-9:30 am
2 stops14h 59m
Porto
Wed 11/11
12:35 pm-2:40 pm
1 stop31h 05m
$664
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 10/26
4:45 pm-10:35 am
1 stop13h 50m
Porto
Wed 11/11
5:00 am-4:57 pm
1 stop16h 57m
$698
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Atlanta to Porto
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Porto in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Atlanta-Porto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Porto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Porto flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Atlanta-Porto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Atlanta to Porto
Have a flexible travel schedule? Discover the best time to fly to Porto from Atlanta with our price prediction graph.
ATL-OPO
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 Porto
How far ahead should I book a flight from Atlanta to Porto?
Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Porto. 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 Porto?
Currently, March is the cheapest month in which you can book a flight from Atlanta to Porto (average of $581). Flying from Atlanta to Porto in June is currently the most expensive (average of $1,319). 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 much does it cost to fly round-trip from Atlanta to Porto?
Airfare is below average for this route at the moment.
Atlanta to Porto flights typically cost between $922 and $1,113 in December.The cheapest round-trip price found within the last 5 days was $549 on British Airways (Dec 2-Dec 9).
Reviews of airlines servicing Porto
Get insights into the airlines that provide service to Porto. 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 Porto. Reviews last updated September 11, 2026.
Read through reviews of airlines operating flights from Atlanta to Porto, such as KLM,Delta, andAir France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Overall
7.8
Boarding
7.8
Comfort
7.7
Crew
8.4
Entertainment
7.2
Food
7.3
Reviews
1 / 20
8.0
ExcellentKushal,Sep 2026
QRO - ATL
Related info for your journey
Find useful and relevant information for your journey from Atlanta to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Porto?
Book flights to Porto if you plan to visit one of these locationsVila Nova de Gaia
Arcos de Valdevez
Coimbra
Aveiro
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Atlanta and Porto flights
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Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
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Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Top 5 airlines flying from Atlanta to Porto
Discover the top 5 airlines that operate flights from Atlanta to Porto. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$533 | Average$889 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$564 | Average$937 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$592 | Average$894 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$610 | Average$1,111 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$677 | Average$832 | FlexibilityNo cancel fee | On-time77% |