$218+ Cheap flights from Chicago (CHI) 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — LIS
Nov 18 — Nov 251
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Portugal with Cheapflights
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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
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Cheapest flights from Chicago to PortugalExplore the most affordable flight options available from Chicago to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
Explore the most affordable flight options available from Chicago to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 19, 2026.
This lol.travel deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:10 pm -
1 stop19h 50m
Sun 12/65:00 am -
1 stop16h 30m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$548
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop12h 50m
Fri 12/117:00 am -
1 stop14h 30m
Deal found 10/17![TAP AIR PORTUGAL logo]()
$557
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 pm -
1 stop18h 00m
Wed 11/255:00 am -
1 stop16h 30m
Deal found 10/16![TAP AIR PORTUGAL logo]()
$558
This Gotogate deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 pm -
1 stop19h 00m
Tue 11/36:00 pm -
1 stop27h 30m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$561
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop23h 30m
Wed 11/188:30 am -
1 stop13h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$567
This FlightHub deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop16h 50m
Sun 12/138:30 am -
1 stop13h 00m
Deal found 10/14![TAP AIR PORTUGAL logo]()
$571
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:10 pm -
1 stop11h 20m
Sat 12/122:30 pm -
1 stop31h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$583
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm -
1 stop11h 20m
Fri 11/208:30 am -
1 stop13h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$586
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 pm -
1 stop16h 00m
Tue 12/88:00 pm -
1 stop25h 30m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$590
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
1 stop12h 50m
Wed 12/95:00 am -
1 stop16h 30m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$594
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm -
Nonstop8h 05m
Fri 11/611:55 am -
Nonstop9h 35m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$671
This Cheapflightsfares deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/48:10 pm -
Nonstop8h 05m
Sun 12/1311:55 am -
Nonstop9h 35m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$672
Best flights from Chicago to PortugalDiscover carefully curated flight deals from Chicago to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
Discover carefully curated flight deals from Chicago to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 19, 2026.
This KLM deal was found by Cheapflights users on 10/16. 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 12/75:59 pm -
2 stops33h 36m
Wed 12/1610:25 am -
1 stop34h 00m
Deal found 10/16![KLM logo]()
$724
This Booking.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:10 pm -
1 stop20h 45m
Fri 11/137:50 am -
1 stop13h 40m
Deal found 10/14![TAP AIR PORTUGAL logo]()
$744
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:45 am -
2 stops19h 45m
Fri 12/116:00 am -
1 stop13h 10m
Deal found 10/14![United Airlines logo]()
$748
This Scandinavian Airlines 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/287:10 pm -
1 stop16h 50m
Wed 12/24:55 pm -
1 stop29h 50m
Deal found 10/17![Scandinavian Airlines logo]()
$756
This Turkish 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2512:45 pm -
1 stop16h 50m
Thu 4/16:00 am -
1 stop33h 35m
Deal found 10/19![Turkish Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:39 am -
2 stops16h 51m
Tue 12/155:00 am -
2 stops22h 36m
Deal found 10/14![Delta logo]()
$763
This FlightHub deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:00 pm -
2 stops19h 40m
Sun 11/1511:25 am -
2 stops29h 35m
Deal found 10/14![Multiple Airlines logo]()
$857
This Scandinavian Airlines deal was found by Cheapflights users on 10/16. 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 1/317:10 pm -
1 stop34h 00m
Sat 2/612:00 pm -
2 stops34h 45m
Deal found 10/16![Scandinavian Airlines logo]()
$768
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/131:55 pm -
1 stop11h 00m
Sun 1/175:00 am -
1 stop16h 20m
Deal found 10/14![United Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/1510:40 am -
2 stops17h 55m
Tue 1/195:00 am -
2 stops21h 37m
Deal found 10/15![Delta logo]()
$788
This FlightHub deal was found by Cheapflights users on 10/16. 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.
Wed 11/187:00 pm -
1 stop18h 35m
Wed 11/256:30 am -
1 stop14h 00m
Deal found 10/16![TAP AIR PORTUGAL logo]()
$791
This KLM 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/101:30 pm -
2 stops18h 20m
Wed 2/172:40 pm -
2 stops31h 57m
Deal found 10/18![KLM logo]()
$816
This United Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/191:55 pm -
1 stop14h 25m
Tue 3/305:05 am -
1 stop15h 45m
Deal found 10/15![United Airlines logo]()
$779
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/277:05 am -
1 stop19h 50m
Sun 1/175:00 am -
2 stops19h 32m
Deal found 10/14![Delta logo]()
$794
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:00 pm -
1 stop14h 40m
Wed 12/96:05 am -
1 stop15h 25m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$807
This Turkish Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/28:05 pm -
1 stop37h 40m
Sat 4/1010:55 am -
1 stop28h 40m
Deal found 10/15![Turkish Airlines logo]()
$911
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 pm -
3 stops23h 20m
Wed 12/96:25 am -
2 stops16h 55m
Deal found 10/18![Multiple Airlines logo]()
$913
This United Airlines deal was found by Cheapflights users on 10/16. 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.
Fri 4/163:45 pm -
1 stop11h 35m
Fri 4/305:05 am -
1 stop13h 50m
Deal found 10/16![United Airlines logo]()
$780
This KLM deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/311:30 pm -
2 stops18h 20m
Sun 2/76:50 pm -
2 stops27h 47m
Deal found 10/16![KLM logo]()
$866
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/210:38 am -
2 stops17h 57m
Sat 12/125:00 am -
2 stops17h 17m
Deal found 10/14![Delta logo]()
$809
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 pm -
1 stop12h 30m
Sat 12/56:10 pm -
1 stop27h 20m
Deal found 10/17![TAP AIR PORTUGAL logo]()
$843
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 pm -
1 stop10h 00m
Sun 12/136:00 am -
1 stop13h 10m
Deal found 10/14![United Airlines logo]()
$794
This Scandinavian Airlines deal was found by Cheapflights users on 10/16. 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.
Mon 12/77:10 pm -
2 stops33h 20m
Fri 12/115:45 pm -
1 stop29h 00m
Deal found 10/16![Scandinavian Airlines logo]()
$967
This Delta deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:30 pm -
2 stops15h 55m
Thu 11/195:00 am -
2 stops19h 44m
Deal found 10/14![Delta logo]()
$817
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:00 pm -
1 stop23h 15m
Wed 12/211:50 am -
3 stops35h 30m
Deal found 10/14![Multiple Airlines logo]()
$1,004
This KLM deal was found by Cheapflights users on 10/16. 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.
Sat 1/301:35 pm -
2 stops18h 15m
Fri 2/58:10 pm -
2 stops26h 39m
Deal found 10/16![KLM logo]()
$916
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:30 pm -
1 stop10h 00m
Sat 12/126:00 am -
1 stop13h 10m
Deal found 10/14![United Airlines logo]()
$794
This TAP AIR PORTUGAL 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 pm -
1 stop23h 45m
Sun 11/226:30 am -
1 stop14h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$880
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/68:10 pm -
1 stop22h 50m
Fri 11/1311:10 am -
3 stops31h 41m
Deal found 10/14![Multiple Airlines logo]()
$1,006
This KLM deal was found by Cheapflights users on 10/16. 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.
Sat 1/301:30 pm -
2 stops18h 20m
Sat 2/62:40 pm -
2 stops32h 54m
Deal found 10/16![KLM logo]()
$916
Last-minute flights from Chicago to PortugalDiscover last-minute flight deals from Chicago to Portugal. Data last updated October 19, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Portugal. Data last updated October 19, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/16. 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 10/226:00 pm -
1 stop33h 00m
Wed 11/47:00 am -
1 stop14h 30m
Deal found 10/16![TAP AIR PORTUGAL logo]()
$595
This Booking.com deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:10 pm -
1 stop12h 50m
Wed 11/45:00 am -
1 stop16h 30m
Deal found 10/14![TAP AIR PORTUGAL logo]()
$557
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm -
Nonstop8h 05m
Fri 11/611:55 am -
Nonstop9h 35m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$671
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 pm -
1 stop23h 30m
Wed 11/188:30 am -
1 stop13h 00m
Deal found 10/18![TAP AIR PORTUGAL logo]()
$567
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
1 stop12h 30m
Wed 11/188:30 am -
1 stop13h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$603
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm -
1 stop11h 20m
Fri 11/208:30 am -
1 stop13h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$586
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm -
1 stop12h 50m
Wed 11/185:00 am -
1 stop16h 30m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$602
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:10 pm -
1 stop11h 20m
Sat 11/218:00 pm -
1 stop25h 30m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$606
This Booking.com deal was found by Cheapflights users on 10/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 pm -
1 stop18h 00m
Wed 11/255:00 am -
1 stop16h 30m
Deal found 10/16![TAP AIR PORTUGAL logo]()
$558
This oojo deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:30 pm -
1 stop12h 20m
Sun 12/62:00 pm -
1 stop33h 20m
Deal found 10/16![Icelandair logo]()
$674
This lol.travel deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:10 pm -
1 stop19h 50m
Sun 12/65:00 am -
1 stop16h 30m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$548
This Gotogate deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:10 pm -
Nonstop8h 05m
Sun 12/611:55 am -
Nonstop9h 35m
Deal found 10/15![TAP AIR PORTUGAL logo]()
$675
One-way flights from Chicago to PortugalSearch for one-way flight options from Chicago to Portugal. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
Search for one-way flight options from Chicago to Portugal. Find affordable one-way fares based on user searches. Data last updated October 19, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:10 pm -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$218
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:00 pm -
Nonstop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$220
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:10 pm -
2 stops21h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$249
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/298:10 pm -
2 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Multiple Airlines logo]()
$274
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:10 pm -
1 stop19h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![TAP AIR PORTUGAL logo]()
$296
This Mytrip deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:30 pm -
2 stops23h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$298
This Trip.com deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/144:30 pm -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/15![Air Canada logo]()
$308
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:30 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Icelandair logo]()
$309
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:30 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Icelandair logo]()
$310
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:30 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Icelandair logo]()
$312
This Mytrip deal was found by Cheapflights users on 10/16. 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 12/76:30 pm -
1 stop12h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Icelandair logo]()
$315
This Mytrip deal was found by Cheapflights users on 10/16. 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.
Sun 11/86:30 pm -
2 stops18h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/16![Multiple Airlines logo]()
$316
Find flight deals from Chicago to Portugal
Keep the following information in mind while searching for Chicago to Portugal flight deals. Data was last updated October 19, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $548 (lol.travel) |
One-way from | $218 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $768 |
Good round-trip deal | $630 or less |
Good one-way deal | $400 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 October 19, 2026.
Use the filters below to find and compare flights from Chicago to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoLisbon
ORD Chicago O'Hare Intl - LIS Lisbon Humberto Delgado
ORDLIS
Chicago O'Hare Intl
Mon 12/7
6:30 pm-12:50 pm
1 stop12h 20m
Lisbon Humberto Delgado
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$316
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Sun 12/13
3:55 pm-11:55 pm
2 stops26h 00m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$340
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Sun 11/1
8:05 pm-10:00 pm
2 stops19h 55m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$341
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Wed 12/9
8:05 pm-10:20 am
2 stops56h 15m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$347
ChicagoFunchal
ORD Chicago O'Hare Intl - FNC Funchal Madeira
ORDFNC
Chicago O'Hare Intl
Wed 1/20
7:00 pm-9:50 pm
1 stop20h 50m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$349
ChicagoFunchal
ORD Chicago O'Hare Intl - FNC Funchal Madeira
ORDFNC
Chicago O'Hare Intl
Sun 4/4
5:45 pm-6:35 pm
1 stop18h 50m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$351
ChicagoFunchal
ORD Chicago O'Hare Intl - FNC Funchal Madeira
ORDFNC
Chicago O'Hare Intl
Wed 12/2
7:00 pm-3:35 pm
1 stop14h 35m
Funchal Madeira
Wed 12/31
12:00 am-6:00 pm
Nonstop0h 00m
$361
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Tue 12/1
6:30 pm-8:35 am
2 stops32h 05m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$366
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Wed 1/20
9:00 pm-6:55 pm
2 stops15h 55m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$371
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Fri 1/15
9:00 pm-7:25 pm
1 stop16h 25m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$376
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Chicago to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from Chicago with our price prediction graph.
ORD-OPO
ORD-LIS
ORD-FNC
ORD-TER
ORD-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 Chicago to Portugal
CHI-PT0
ORD-OPO
ORD-LIS
ORD-FNC
ORD-TER
What is the cheapest month to book a flight from Chicago to Portugal?
Currently, January is the cheapest month in which you can book a flight from Chicago to Portugal (average of $605). Flying from Chicago to Portugal in June is currently the most expensive (average of $1,156). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CHI to PT?
Find hourly flight availability from Chicago to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 19, 2026.
When flying from Chicago to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Chicago to Portugal delayed?
About 26% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 117 minutes.
What is the most punctual flight time for Chicago to Portugal flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 26% of flights being delayed.
How far ahead should I book a flight from Chicago to Portugal?
To ensure you get the cheapest price possible for a flight from Chicago to Portugal, you should look to book at least 83 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 October 19, 2026.
Read reviews from past customers who have flown Delta,Aer Lingus, andUnited Airlines from Chicago to Portugal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Food
7.2
Entertainment
7.8
Boarding
8.1
Overall
7.8
Comfort
7.8
Crew
8.5
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Chicago to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Chicago 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 Chicago to Portugal by cabin class
Find flights from Chicago to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chicago and Portugal flights
Browse other Chicago and Portugal flight options. Last updated on October 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chicago to Portugal flights
Consider these flights traveling from Chicago to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from Chicago to Portugal
Discover the top 10 airlines that operate flights from Chicago 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 October 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$373 | Average$470 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$460 | Average$637 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$462 | Average$882 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$485 | Average$917 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$972 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$707 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$777 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$507 | Average$779 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$522 | Average$932 | FlexibilityNo cancel fee | On-time71% |