$313+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — OPO
Nov 21 — Nov 281
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
Cheapest
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 October 22, 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 October 22, 2026.
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:11 pm -
2 stops17h 49m
Wed 11/117:00 am -
2 stops29h 30m
Deal found 10/21![Multiple Airlines logo]()
$529
This Mytrip deal was found by Cheapflights users on 10/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:46 pm -
2 stops17h 14m
Fri 12/118:30 am -
2 stops22h 15m
Deal found 10/20![Multiple Airlines logo]()
$693
This Gotogate deal was found by Cheapflights users on 10/20. 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.
Wed 12/212:55 pm -
2 stops19h 20m
Thu 12/106:00 am -
2 stops20h 21m
Deal found 10/20![Multiple Airlines logo]()
$704
This Gotogate deal was found by Cheapflights users on 10/20. 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 11/2312:55 pm -
2 stops18h 55m
Tue 12/86:00 am -
2 stops20h 21m
Deal found 10/20![Air Canada logo]()
$713
This Air France deal was found by Cheapflights users on 10/19. 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.
Mon 11/163:45 pm -
1 stop13h 50m
Wed 2/105:00 am -
1 stop20h 40m
Deal found 10/19![Multiple Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/2310:45 am -
1 stop17h 45m
Tue 12/86:00 am -
2 stops37h 48m
Deal found 10/18![United Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 10/19. 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 11/1612:15 pm -
2 stops17h 20m
Wed 2/105:00 am -
1 stop17h 18m
Deal found 10/19![Delta logo]()
$724
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 October 22, 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 October 22, 2026.
This Delta deal was found by Cheapflights users on 10/18. 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 11/173:45 pm -
1 stop13h 50m
Tue 11/2411:15 am -
1 stop14h 25m
Deal found 10/18![Delta logo]()
$720
This KLM deal was found by Cheapflights users on 10/21. 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.
Thu 4/155:40 pm -
1 stop11h 50m
Tue 4/2011:45 am -
1 stop13h 40m
Deal found 10/21![KLM logo]()
$763
This Delta deal was found by Cheapflights users on 10/19. 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 11/1612:15 pm -
2 stops17h 20m
Wed 2/105:00 am -
1 stop17h 18m
Deal found 10/19![Delta logo]()
$724
This KLM deal was found by Cheapflights users on 10/21. 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.
Tue 11/175:40 pm -
1 stop11h 55m
Tue 11/245:00 am -
1 stop13h 35m
Deal found 10/21![KLM logo]()
$770
This Delta deal was found by Cheapflights users on 10/18. 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 4/124:30 pm -
1 stop17h 55m
Mon 4/265:00 am -
1 stop13h 55m
Deal found 10/18![Delta logo]()
$752
This KLM deal was found by Cheapflights users on 10/17. 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.
Wed 11/115:40 pm -
1 stop11h 55m
Tue 2/95:00 am -
1 stop13h 35m
Deal found 10/17![KLM logo]()
$770
This Delta deal was found by Cheapflights users on 10/17. 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 1/48:10 pm -
1 stop14h 15m
Wed 1/135:00 am -
2 stops19h 40m
Deal found 10/17![Delta logo]()
$764
This Delta deal was found by Cheapflights users on 10/19. 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 11/113:16 pm -
1 stop11h 59m
Tue 2/911:15 am -
1 stop14h 25m
Deal found 10/19![Delta logo]()
$771
Last-minute flights from Atlanta to PortoDiscover last-minute flight deals from Atlanta to Porto. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Porto. Data last updated October 22, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:11 pm -
2 stops17h 49m
Wed 11/117:00 am -
2 stops29h 30m
Deal found 10/21![Multiple Airlines logo]()
$529
This Air France deal was found by Cheapflights users on 10/19. 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.
Mon 11/163:45 pm -
1 stop13h 50m
Wed 2/105:00 am -
1 stop20h 40m
Deal found 10/19![Multiple Airlines logo]()
$720
This Delta deal was found by Cheapflights users on 10/19. 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 11/1612:15 pm -
2 stops17h 20m
Wed 2/105:00 am -
1 stop17h 18m
Deal found 10/19![Delta logo]()
$724
This American Airlines deal was found by Cheapflights users on 10/19. 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 11/1612:51 pm -
2 stops17h 54m
Wed 2/1012:25 pm -
2 stops17h 34m
Deal found 10/19![American Airlines logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/19. 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 11/172:41 pm -
2 stops13h 49m
Tue 11/246:00 am -
2 stops23h 35m
Deal found 10/19![United Airlines logo]()
$729
This Gotogate deal was found by Cheapflights users on 10/20. 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 11/2312:55 pm -
2 stops18h 55m
Tue 12/86:00 am -
2 stops20h 21m
Deal found 10/20![Air Canada logo]()
$713
This United Airlines deal was found by Cheapflights users on 10/18. 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 11/2310:45 am -
1 stop17h 45m
Tue 12/86:00 am -
2 stops37h 48m
Deal found 10/18![United Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 10/21. 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 11/235:40 pm -
1 stop11h 55m
Tue 12/85:00 am -
1 stop15h 00m
Deal found 10/21![Delta logo]()
$730
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 October 22, 2026.
Search for one-way flight options from Atlanta to Porto. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
This Flightnetwork deal was found by Cheapflights users on 10/18. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2212:55 pm -
2 stops25h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Air Canada logo]()
$313
This Flightnetwork deal was found by Cheapflights users on 10/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/712:55 pm -
2 stops18h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Air Canada logo]()
$316
This Flightnetwork deal was found by Cheapflights users on 10/20. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/74:30 pm -
1 stop14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Lufthansa logo]()
$322
This Delta deal was found by Cheapflights users on 10/20. 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 10/20![Delta logo]()
$328
This Iberia deal was found by Cheapflights users on 10/21. 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.
Mon 2/86:49 pm -
2 stops16h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Iberia logo]()
$338
This United Airlines deal was found by Cheapflights users on 10/22. 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 4/37:15 pm -
2 stops33h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Tue 1/56:46 pm -
2 stops36h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Sun 2/710:26 pm -
3 stops34h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 10/18. 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 3/225:30 pm -
3 stops22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Multiple Airlines logo]()
$470
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 October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $529 (Mytrip) |
One-way from | $313 (Flightnetwork) |
Popular in | December |
Cheapest in | March |
Average price | $952 |
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 October 22, 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 3/22
12:55 pm-6:30 pm
2 stops25h 35m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$313
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
$328
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 2/8
10:00 pm-10:00 pm
1 stop19h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$328
Quickest round-trip
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 3/22
6:40 pm-10:35 am
1 stop11h 55m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$328
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Tue 1/5
8:55 pm-9:25 am
3 stops55h 30m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$423
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 2/8
2:34 pm-11:00 am
3 stops15h 26m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$471
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Fri 11/20
10:49 pm-11:00 am
3 stops31h 11m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$486
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Tue 11/17
3:45 pm-10:35 am
1 stop13h 50m
Porto
Tue 11/24
11:15 am-8:40 pm
1 stop14h 25m
$720
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 11/16
12:15 pm-10:35 am
2 stops17h 20m
Porto
Wed 2/10
5:00 am-5:18 pm
1 stop17h 18m
$724
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Mon 4/12
4:30 pm-3:25 pm
1 stop17h 55m
Porto
Mon 4/26
5:00 am-1:55 pm
1 stop13h 55m
$752
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 October.
| 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 $582). Flying from Atlanta to Porto in December is currently the most expensive (average of $1,459). 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 $788 and $1,086 in November.The cheapest round-trip price found within the last 5 days was $529 on Multiple Airlines (Nov 6-Nov 11).
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 October 22, 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.
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 2026
QRO - ATL
Food
7.4
Comfort
7.7
Boarding
7.8
Entertainment
7.2
Crew
8.4
Overall
7.8
Reviews
1 / 20
8.0
ExcellentMeghana,Aug 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
Browse thousands of different options on Cheapflights for your next trip
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Atlanta and Porto flights
Browse other Atlanta and Porto flight options. Last updated on October 22, 2026.
Other flights from Atlanta
Browse through other flights departing from Atlanta. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Porto
Explore flights to Porto departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 22, 2026.
Top 6 airlines flying from Atlanta to Porto
Discover the top 6 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 October 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$550 | Average$933 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$564 | Average$937 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$610 | Average$1,112 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$631 | Average$914 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$663 | Average$832 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$675 | Average$707 | FlexibilityNo cancel fee | On-time70% |