$258+ Cheap flights from Atlanta (ATL) to Portugal
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — LIS
Oct 23 — Oct 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Atlanta to Portugal 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 Portugal
Cheapest
Best
Last-minute
One-way
Cheapest flights from Atlanta to PortugalExplore 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 September 23, 2026.
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 September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/93:32 pm -
2 stops12h 58m
Wed 11/2512:35 pm -
1 stop26h 04m
Deal found 9/18![United Airlines logo]()
$557
This Iberia deal was found by Cheapflights users on 9/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:45 pm -
2 stops16h 00m
Tue 11/38:20 am -
2 stops19h 28m
Deal found 9/18![Multiple Airlines logo]()
$568
This KLM deal was found by Cheapflights users on 9/21. 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.
Wed 11/1111:30 am -
1 stop15h 45m
Wed 11/185:00 am -
1 stop15h 00m
Deal found 9/21![KLM logo]()
$569
This Orbitz deal was found by Cheapflights users on 9/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:45 pm -
2 stops16h 00m
Wed 11/188:40 pm -
2 stops28h 16m
Deal found 9/21![Iberia logo]()
$571
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:45 pm -
2 stops16h 00m
Tue 11/38:20 am -
2 stops18h 08m
Deal found 9/21![American Airlines logo]()
$574
This Delta deal was found by Cheapflights users on 9/21. 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.
Wed 11/113:16 pm -
1 stop11h 59m
Wed 11/185:55 am -
2 stops20h 51m
Deal found 9/21![Delta logo]()
$580
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/311:19 am -
2 stops19h 26m
Tue 11/108:40 pm -
2 stops30h 42m
Deal found 9/19![Iberia logo]()
$582
This KLM deal was found by Cheapflights users on 9/21. 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 11/105:40 pm -
1 stop11h 55m
Wed 11/185:00 am -
1 stop13h 35m
Deal found 9/21![KLM logo]()
$584
This KLM deal was found by Cheapflights users on 9/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:55 pm -
2 stops18h 15m
Wed 11/1810:25 am -
1 stop32h 10m
Deal found 9/22![KLM logo]()
$654
This KLM deal was found by Cheapflights users on 9/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:50 pm -
1 stop29h 30m
Fri 11/136:00 pm -
1 stop24h 35m
Deal found 9/22![KLM logo]()
$705
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:55 pm -
3 stops26h 40m
Mon 11/94:25 pm -
2 stops27h 15m
Deal found 9/18![Multiple Airlines logo]()
$734
This deal was found by Cheapflights users on 9/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2810:15 pm -
1 stop15h 35m
Thu 1/77:00 am -
1 stop18h 15m
Deal found 9/18![British Airways logo]()
$753
Best flights from Atlanta to PortugalDiscover carefully curated flight deals from Atlanta to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Atlanta to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This United Airlines deal was found by Cheapflights users on 9/18. 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 11/92:31 pm -
2 stops13h 59m
Wed 11/2512:35 pm -
2 stops17h 00m
Deal found 9/18![United Airlines logo]()
$557
This KLM deal was found by Cheapflights users on 9/21. 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.
Wed 11/1111:30 am -
1 stop15h 45m
Wed 11/185:00 am -
1 stop15h 00m
Deal found 9/21![KLM logo]()
$569
This Delta deal was found by Cheapflights users on 9/21. 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.
Tue 11/1012:30 pm -
2 stops17h 05m
Wed 11/185:00 am -
1 stop15h 00m
Deal found 9/21![Delta logo]()
$588
This KLM deal was found by Cheapflights users on 9/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:45 am -
1 stop17h 30m
Tue 11/105:55 am -
1 stop18h 45m
Deal found 9/18![Multiple Airlines logo]()
$610
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/1210:15 pm -
1 stop19h 15m
Sun 3/217:05 am -
2 stops20h 43m
Deal found 9/21![British Airways logo]()
$789
This Lufthansa deal was found by Cheapflights users on 9/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:55 pm -
1 stop14h 50m
Tue 10/206:45 am -
2 stops22h 38m
Deal found 9/22![Lufthansa logo]()
$948
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/22. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/212:25 pm -
2 stops26h 10m
Sun 12/67:25 pm -
2 stops30h 52m
Deal found 9/22![TAP AIR PORTUGAL logo]()
$1,085
This Travelocity deal was found by Cheapflights users on 9/22. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:15 pm -
2 stops58h 15m
Sun 11/292:10 pm -
2 stops59h 05m
Deal found 9/22![Iberia logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Tue 11/179:23 am -
2 stops19h 07m
Wed 11/2512:35 pm -
2 stops17h 00m
Deal found 9/22![United Airlines logo]()
$570
This Delta deal was found by Cheapflights users on 9/19. 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.
Sun 1/173:10 pm -
2 stops14h 25m
Wed 3/105:00 am -
1 stop14h 57m
Deal found 9/19![Delta logo]()
$593
This Scandinavian Airlines deal was found by Cheapflights users on 9/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:35 pm -
1 stop35h 35m
Wed 11/1810:35 am -
2 stops60h 10m
Deal found 9/20![Scandinavian Airlines logo]()
$1,229
This KLM deal was found by Cheapflights users on 9/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:50 pm -
1 stop20h 20m
Wed 11/1810:25 am -
1 stop32h 10m
Deal found 9/20![KLM logo]()
$655
This United Airlines deal was found by Cheapflights users on 9/18. 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 3/14:22 pm -
1 stop12h 08m
Mon 3/1512:30 pm -
1 stop31h 10m
Deal found 9/18![United Airlines logo]()
$611
This United deal was found by Cheapflights users on 9/18. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/207:35 pm -
2 stops33h 55m
Sat 3/274:10 pm -
1 stop25h 35m
Deal found 9/18![Multiple Airlines logo]()
$683
This United Airlines deal was found by Cheapflights users on 9/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:43 pm -
1 stop11h 47m
Sun 2/146:00 am -
2 stops34h 46m
Deal found 9/20![United Airlines logo]()
$630
This Delta deal was found by Cheapflights users on 9/19. 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.
Thu 3/48:05 am -
2 stops19h 50m
Wed 3/105:00 am -
1 stop14h 57m
Deal found 9/19![Delta logo]()
$754
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:20 pm -
2 stops27h 30m
Wed 11/114:30 pm -
2 stops35h 38m
Deal found 9/19![Multiple Airlines logo]()
$813
This KLM deal was found by Cheapflights users on 9/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:50 pm -
1 stop17h 00m
Mon 11/97:10 pm -
1 stop23h 25m
Deal found 9/18![KLM logo]()
$815
This KLM deal was found by Cheapflights users on 9/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:50 pm -
1 stop17h 00m
Wed 11/116:00 pm -
1 stop26h 00m
Deal found 9/19![KLM logo]()
$818
This United deal was found by Cheapflights users on 9/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/256:59 pm -
2 stops40h 06m
Tue 3/212:25 pm -
2 stops25h 25m
Deal found 9/22![Multiple Airlines logo]()
$834
This Delta deal was found by Cheapflights users on 9/19. 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 10/56:00 pm -
1 stop18h 50m
Thu 10/155:35 am -
2 stops19h 44m
Deal found 9/19![Delta logo]()
$855
This KLM deal was found by Cheapflights users on 9/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/243:50 pm -
1 stop17h 00m
Sun 2/288:05 pm -
1 stop23h 52m
Deal found 9/22![KLM logo]()
$856
This Mytrip deal was found by Cheapflights users on 9/20. 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.
Thu 11/58:10 am -
2 stops20h 00m
Thu 11/127:25 pm -
2 stops33h 22m
Deal found 9/20![Multiple Airlines logo]()
$866
This KLM deal was found by Cheapflights users on 9/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2510:50 pm -
1 stop15h 30m
Tue 3/22:40 pm -
1 stop29h 17m
Deal found 9/22![KLM logo]()
$856
This Delta deal was found by Cheapflights users on 9/20. 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.
Fri 3/124:50 pm -
2 stops16h 50m
Sun 3/215:30 am -
2 stops18h 36m
Deal found 9/20![Delta logo]()
$953
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:55 pm -
3 stops21h 45m
Mon 11/94:30 pm -
2 stops27h 10m
Deal found 9/18![Multiple Airlines logo]()
$878
This Lufthansa deal was found by Cheapflights users on 9/22. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:55 pm -
1 stop26h 35m
Sun 10/1812:35 pm -
1 stop30h 10m
Deal found 9/22![Lufthansa logo]()
$1,286
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/110:50 pm -
1 stop29h 40m
Sun 12/610:10 am -
2 stops18h 38m
Deal found 9/22![Delta logo]()
$957
This Mytrip deal was found by Cheapflights users on 9/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:10 am -
2 stops30h 40m
Wed 11/46:30 am -
2 stops22h 17m
Deal found 9/18![Multiple Airlines logo]()
$879
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sun 11/151:40 pm -
1 stop13h 30m
Thu 11/195:00 am -
1 stop14h 40m
Deal found 9/22![United Airlines logo]()
$1,113
Last-minute flights from Atlanta to PortugalDiscover last-minute flight deals from Atlanta to Portugal. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Portugal. Data last updated September 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/18. 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 10/512:20 pm -
2 stops15h 30m
Thu 10/1512:45 pm -
1 stop16h 05m
Deal found 9/18![Delta logo]()
$754
This Iberia deal was found by Cheapflights users on 9/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:45 pm -
2 stops16h 00m
Tue 11/38:20 am -
2 stops19h 28m
Deal found 9/18![Multiple Airlines logo]()
$568
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:45 pm -
2 stops16h 00m
Tue 11/38:20 am -
2 stops18h 08m
Deal found 9/21![American Airlines logo]()
$574
This British Airways deal was found by Cheapflights users on 9/21. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:49 am -
2 stops15h 51m
Tue 10/278:40 pm -
2 stops29h 18m
Deal found 9/21![Multiple Airlines logo]()
$648
This Gotogate deal was found by Cheapflights users on 9/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:00 am -
1 stop23h 05m
Sun 10/255:00 am -
1 stop14h 40m
Deal found 9/18![Multiple Airlines logo]()
$756
This FlightHub deal was found by Cheapflights users on 9/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:30 pm -
1 stop16h 35m
Mon 10/268:40 pm -
2 stops32h 05m
Deal found 9/19![British Airways logo]()
$637
This Justfly.com deal was found by Cheapflights users on 9/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:18 pm -
2 stops14h 22m
Tue 10/278:40 pm -
2 stops30h 15m
Deal found 9/22![Multiple Airlines logo]()
$642
This United Airlines deal was found by Cheapflights users on 9/23. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:15 pm -
1 stop10h 30m
Wed 10/286:00 am -
2 stops22h 35m
Deal found 9/23![United Airlines logo]()
$643
This KLM deal was found by Cheapflights users on 9/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:30 pm -
1 stop14h 00m
Tue 11/39:55 am -
1 stop15h 45m
Deal found 9/20![KLM logo]()
$620
This Iberia deal was found by Cheapflights users on 9/20. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:33 pm -
2 stops17h 27m
Tue 11/38:20 am -
2 stops19h 28m
Deal found 9/20![Multiple Airlines logo]()
$621
This Expedia deal was found by Cheapflights users on 9/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:45 pm -
2 stops16h 00m
Mon 11/28:40 pm -
2 stops31h 08m
Deal found 9/20![Iberia logo]()
$632
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:44 am -
1 stop17h 31m
Fri 11/65:00 am -
1 stop15h 00m
Deal found 9/22![Delta logo]()
$619
One-way flights from Atlanta to PortugalSearch for one-way flight options from Atlanta to Portugal. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Atlanta to Portugal. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Sat 12/57:09 pm -
2 stops44h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Thu 12/37:06 pm -
2 stops57h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:36 pm -
2 stops39h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:47 pm -
2 stops40h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 12/412:01 pm -
2 stops40h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/612:01 pm -
3 stops30h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Wed 12/210:36 pm -
2 stops33h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/21:05 pm -
2 stops29h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:11 pm -
3 stops29h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 9/18. 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.
Fri 11/1310:29 am -
3 stops41h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/173:20 pm -
3 stops36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$315
This Expedia deal was found by Cheapflights users on 9/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/110:15 pm -
1 stop15h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![British Airways logo]()
$325
Find flight deals from Atlanta to Portugal
Keep the following information in mind while searching for Atlanta to Portugal flight deals. Data was last updated September 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $557 (United Airlines) |
One-way from | $258 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,117 |
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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Atlanta to Portugal 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
Wed 12/2
10:36 pm-7:20 pm
2 stops39h 44m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$273
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Tue 2/2
1:05 pm-5:05 pm
3 stops47h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$314
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
Mon 2/8
8:00 am-7:40 am
2 stops18h 40m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$338
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Tue 2/2
10:35 am-10:35 am
2 stops19h 00m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$338
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Sat 3/6
8:12 pm-9:30 am
2 stops32h 18m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$340
AtlantaPorto
ATL Atlanta Hartsfield-Jackson - OPO Porto
ATLOPO
Atlanta Hartsfield-Jackson
Sat 12/26
7:29 pm-9:30 am
2 stops33h 01m
Porto
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$340
AtlantaLisbon
ATL Atlanta Hartsfield-Jackson - LIS Lisbon Humberto Delgado
ATLLIS
Atlanta Hartsfield-Jackson
Sat 12/26
7:29 pm-8:10 am
2 stops31h 41m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$346
AtlantaLisbon
ATL Atlanta Hartsfield-Jackson - LIS Lisbon Humberto Delgado
ATLLIS
Atlanta Hartsfield-Jackson
Sat 3/6
7:40 pm-8:10 am
1 stop31h 30m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$352
AtlantaFaro
ATL Atlanta Hartsfield-Jackson - FAO Faro
ATLFAO
Atlanta Hartsfield-Jackson
Thu 10/22
8:10 am-2:45 pm
2 stops25h 35m
Faro
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$367
Showing 1-10 of 58 resultsSorted by cheapest first
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.
ATL-OPO
ATL-LIS
ATL-PDL
ATL-FNC
ATL-FAO
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
ATL-PT0
ATL-OPO
ATL-LIS
ATL-PDL
ATL-FNC
What is the cheapest month to book a flight from Atlanta to Portugal?
Currently, February is the cheapest month in which you can book a flight from Atlanta to Portugal (average of $658). Flying from Atlanta to Portugal in June is currently the most expensive (average of $1,342). 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 far ahead should I book a flight from Atlanta to Portugal?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Atlanta to Portugal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 September 23, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAir Canada from Atlanta to Portugal to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Comfort
7.8
Food
7.2
Boarding
8.1
Overall
7.8
Crew
8.5
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Atlanta to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Atlanta to Portugal by cabin class
Find flights from Atlanta to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Atlanta and Portugal flights
Browse other Atlanta and Portugal flight options. Last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Atlanta to Portugal flights
Consider these flights traveling from Atlanta to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$457 | Average$917 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$483 | Average$920 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$503 | Average$709 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$508 | Average$1,143 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$513 | Average$938 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$525 | Average$1,098 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$564 | Average$968 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$580 | Average$1,111 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$604 | Average$1,121 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$643 | Average$1,026 | FlexibilityNo cancel fee | On-time71% |