$302+ Cheap flights from O'Hare Intl (ORD) 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Oct 31 — Nov 71
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Portugal with Cheapflights
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Cheapest flights from O'Hare Intl to PortugalExplore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.
Explore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 1, 2026.
This Booking.com deal was found by Cheapflights users on 9/29. 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 stop15h 50m
Fri 11/208:30 am -
1 stop13h 00m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$553
This Booking.com deal was found by Cheapflights users on 9/30. 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 stop16h 50m
Sun 12/138:30 am -
1 stop13h 00m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$554
This Booking.com deal was found by Cheapflights users on 9/29. 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 12/27:00 pm -
1 stop23h 30m
Sun 12/67:00 am -
1 stop14h 30m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$555
This Booking.com deal was found by Cheapflights users on 9/28. 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 10/236:00 pm -
1 stop22h 55m
Wed 11/47:00 am -
1 stop14h 30m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$562
This Gotogate deal was found by Cheapflights users on 9/29. 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 10/216:00 pm -
1 stop15h 00m
Wed 11/47:00 am -
1 stop14h 30m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$564
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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.
Sun 11/18:10 pm -
1 stop15h 50m
Sun 11/85:00 am -
1 stop16h 30m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$569
This FlightHub deal was found by Cheapflights users on 9/30. 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 10/288:00 pm -
1 stop12h 30m
Thu 11/126:00 pm -
1 stop27h 30m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$573
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:05 pm -
1 stop11h 55m
Wed 11/118:30 am -
1 stop13h 00m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$589
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm -
1 stop16h 50m
Wed 11/118:30 am -
1 stop13h 00m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$597
This Justfly.com deal was found by Cheapflights users on 9/29. 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.
Wed 10/76:00 pm -
1 stop20h 25m
Wed 10/1410:30 pm -
1 stop20h 10m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$678
This Gotogate deal was found by Cheapflights users on 9/26. 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.
Tue 11/104:20 pm -
1 stop13h 25m
Tue 11/176:00 am -
1 stop13h 10m
Deal found 9/26![Lufthansa logo]()
$703
This FlightHub deal was found by Cheapflights users on 9/28. 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 10/76:00 pm -
1 stop20h 25m
Wed 10/219:15 pm -
1 stop21h 25m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$705
Best flights from O'Hare Intl to PortugalDiscover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
Discover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 1, 2026.
This United Airlines deal was found by Cheapflights users on 9/26. 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 12/91:55 pm -
1 stop11h 00m
Wed 12/1612:25 pm -
1 stop13h 40m
Deal found 9/26![United Airlines logo]()
$722
This United deal was found by Cheapflights users on 9/30. 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.
Tue 12/13:35 pm -
1 stop10h 35m
Mon 12/711:50 am -
1 stop34h 25m
Deal found 9/30![Multiple Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 9/29. 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 11/410:55 am -
2 stops17h 35m
Fri 11/135:00 am -
2 stops19h 44m
Deal found 9/29![Delta logo]()
$743
This Gotogate deal was found by Cheapflights users on 9/27. 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 10/259:10 pm -
1 stop17h 25m
Tue 11/37:25 pm -
1 stop25h 05m
Deal found 9/27![TAP AIR PORTUGAL logo]()
$774
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. 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.
Wed 11/47:10 pm -
2 stops58h 00m
Sat 11/145:15 pm -
1 stop29h 30m
Deal found 9/27![Scandinavian Airlines logo]()
$785
This KLM deal was found by Cheapflights users on 9/29. 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 11/116:15 pm -
2 stops40h 55m
Wed 11/1810:25 am -
1 stop34h 00m
Deal found 9/29![KLM logo]()
$796
This British Airways deal was found by Cheapflights users on 9/27. 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.
Sat 11/289:50 pm -
1 stop31h 50m
Tue 12/84:25 pm -
1 stop27h 20m
Deal found 9/27![British Airways logo]()
$831
This Turkish Airlines deal was found by Cheapflights users on 9/29. 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.
Sat 10/249:15 pm -
1 stop32h 20m
Mon 10/264:10 pm -
1 stop23h 50m
Deal found 9/29![Turkish Airlines logo]()
$843
This Gotogate deal was found by Cheapflights users on 9/28. 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.
Tue 2/169:50 pm -
2 stops20h 55m
Wed 2/249:30 am -
2 stops32h 40m
Deal found 9/28![Lufthansa logo]()
$1,003
This Delta deal was found by Cheapflights users on 9/30. 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 10/283:05 pm -
2 stops18h 35m
Wed 11/45:00 am -
2 stops17h 32m
Deal found 9/30![Delta logo]()
$743
This United Airlines deal was found by Cheapflights users on 9/30. 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 11/111:05 am -
2 stops16h 25m
Sun 11/86:00 am -
1 stop13h 10m
Deal found 9/30![United Airlines logo]()
$770
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. 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.
Fri 11/67:10 pm -
2 stops32h 35m
Sat 11/1412:00 pm -
2 stops34h 45m
Deal found 9/27![Scandinavian Airlines logo]()
$791
This KLM deal was found by Cheapflights users on 9/29. 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 2/215:55 pm -
2 stops57h 40m
Sun 2/2810:10 am -
1 stop34h 15m
Deal found 9/29![KLM logo]()
$800
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 10/293:43 pm -
2 stops13h 37m
Thu 11/55:00 am -
1 stop14h 10m
Deal found 9/30![United Airlines logo]()
$778
This Delta deal was found by Cheapflights users on 9/27. 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 11/44:25 pm -
1 stop12h 05m
Sun 11/155:00 am -
1 stop15h 25m
Deal found 9/27![Delta logo]()
$779
This Turkish Airlines deal was found by Cheapflights users on 9/27. 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 10/158:10 pm -
1 stop21h 10m
Wed 10/215:55 am -
1 stop18h 20m
Deal found 9/27![Turkish Airlines logo]()
$862
This British Airways deal was found by Cheapflights users on 9/27. 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.
Thu 11/269:50 pm -
1 stop30h 25m
Sat 12/511:05 am -
1 stop32h 40m
Deal found 9/27![British Airways logo]()
$883
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/25. 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.
Sun 11/298:10 pm -
1 stop15h 00m
Thu 12/39:15 pm -
1 stop24h 15m
Deal found 9/25![TAP AIR PORTUGAL logo]()
$894
This Scandinavian Airlines deal was found by Cheapflights users on 9/27. 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.
Thu 11/267:10 pm -
2 stops36h 35m
Sat 12/54:25 pm -
2 stops36h 32m
Deal found 9/27![Scandinavian Airlines logo]()
$839
This Delta deal was found by Cheapflights users on 9/30. 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 11/17:25 am -
1 stop19h 30m
Sun 11/85:00 am -
2 stops20h 38m
Deal found 9/30![Delta logo]()
$785
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/26. 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.
Tue 11/101:00 pm -
2 stops19h 15m
Tue 11/176:10 pm -
1 stop27h 20m
Deal found 9/26![Multiple Airlines logo]()
$965
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/27:45 am -
2 stops19h 45m
Sun 12/66:00 am -
1 stop13h 10m
Deal found 9/29![United Airlines logo]()
$800
This KLM deal was found by Cheapflights users on 9/26. 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 11/226:00 pm -
2 stops57h 35m
Sun 11/2910:10 am -
1 stop34h 15m
Deal found 9/26![KLM logo]()
$929
This Expedia deal was found by Cheapflights users on 9/30. 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.
Sat 3/2010:50 pm -
1 stop14h 10m
Sun 3/287:10 pm -
1 stop24h 40m
Deal found 9/30![British Airways logo]()
$953
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/28. 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.
Thu 10/291:00 pm -
2 stops28h 55m
Thu 11/59:55 pm -
1 stop23h 35m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$959
This United Airlines deal was found by Cheapflights users on 9/26. 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 12/1511:55 am -
1 stop14h 15m
Tue 12/225:00 am -
2 stops25h 01m
Deal found 9/26![United Airlines logo]()
$813
This Delta deal was found by Cheapflights users on 9/28. 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 11/66:00 pm -
2 stops17h 30m
Sun 11/155:00 am -
1 stop15h 25m
Deal found 9/28![Delta logo]()
$829
This Turkish Airlines deal was found by Cheapflights users on 9/25. 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.
Mon 12/78:15 pm -
1 stop37h 10m
Fri 12/1110:55 am -
1 stop29h 05m
Deal found 9/25![Turkish Airlines logo]()
$1,040
This Scandinavian Airlines deal was found by Cheapflights users on 9/26. 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 9/26![Scandinavian Airlines logo]()
$951
This Finnair deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/255:40 pm -
1 stop20h 20m
Thu 12/3112:25 pm -
2 stops25h 35m
Deal found 9/30![Multiple Airlines logo]()
$1,048
Last-minute flights from O'Hare Intl to PortugalDiscover last-minute flight deals from O'Hare Intl to Portugal. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portugal. Data last updated October 1, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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.
Thu 10/16:00 pm -
1 stop20h 25m
Thu 10/157:00 am -
1 stop11h 40m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$717
This Justfly.com deal was found by Cheapflights users on 9/29. 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.
Wed 10/76:00 pm -
1 stop20h 25m
Wed 10/1410:30 pm -
1 stop20h 10m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$678
This FlightHub deal was found by Cheapflights users on 9/28. 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 10/76:00 pm -
1 stop20h 25m
Wed 10/219:15 pm -
1 stop21h 25m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$705
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:05 pm -
Nonstop8h 10m
Thu 10/229:20 am -
Nonstop9h 20m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$721
This Gotogate deal was found by Cheapflights users on 9/29. 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 10/216:00 pm -
1 stop15h 00m
Wed 11/47:00 am -
1 stop14h 30m
Deal found 9/29![TAP AIR PORTUGAL logo]()
$564
This Kissandfly.com deal was found by Cheapflights users on 9/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:25 am -
1 stop29h 55m
Wed 11/45:55 am -
1 stop19h 25m
Deal found 9/26![Turkish Airlines logo]()
$720
This Booking.com deal was found by Cheapflights users on 9/28. 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 10/236:00 pm -
1 stop22h 55m
Wed 11/47:00 am -
1 stop14h 30m
Deal found 9/28![TAP AIR PORTUGAL logo]()
$562
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:05 pm -
1 stop11h 55m
Wed 11/118:30 am -
1 stop13h 00m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$589
This Justfly.com deal was found by Cheapflights users on 9/30. 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.
Wed 10/288:00 pm -
1 stop16h 00m
Wed 11/117:00 am -
1 stop14h 30m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$573
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/288:50 am -
2 stops19h 40m
Wed 11/46:00 am -
1 stop20h 05m
Deal found 9/28![United Airlines logo]()
$720
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/281:55 pm -
1 stop12h 00m
Wed 11/115:00 am -
1 stop16h 20m
Deal found 9/30![United Airlines logo]()
$722
This Kiwi.com deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:10 pm -
1 stop16h 50m
Wed 11/118:30 am -
1 stop13h 00m
Deal found 9/30![TAP AIR PORTUGAL logo]()
$597
One-way flights from O'Hare Intl to PortugalSearch for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
Search for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/1810:25 pm -
2 stops39h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/86:30 pm -
3 stops44h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/267:30 pm -
3 stops43h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/136:30 pm -
3 stops35h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/106:30 pm -
3 stops45h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/276:30 pm -
3 stops59h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$334
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/146:30 pm -
3 stops40h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 1/126:30 pm -
3 stops39h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 11/116:30 pm -
3 stops41h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 10/197:25 pm -
3 stops34h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/296:30 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:25 pm -
3 stops35h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$347
Find flight deals from O'Hare Intl to Portugal
Keep the following information in mind while searching for O'Hare Intl to Portugal flight deals. Data was last updated October 1, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $553 (Booking.com) |
One-way from | $302 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $767 |
Good round-trip deal | $685 or less |
Good one-way deal | $473 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 1, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Mon 10/19
7:25 pm-12:05 pm
3 stops34h 40m
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
Sun 11/29
6:30 pm-2:40 pm
2 stops14h 10m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$346
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Sun 2/14
6:30 pm-10:35 am
2 stops34h 05m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$377
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Mon 12/28
6:30 pm-11:05 pm
3 stops46h 35m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$379
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Fri 2/12
6:30 pm-8:45 am
2 stops32h 15m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$392
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Sat 10/31
5:30 pm-4:25 pm
3 stops41h 55m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$416
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Sat 2/13
6:30 pm-11:00 pm
3 stops22h 30m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$419
ChicagoFaro
ORD Chicago O'Hare Intl - FAO Faro
ORDFAO
Chicago O'Hare Intl
Wed 2/10
4:30 pm-6:55 pm
2 stops20h 25m
Faro
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$424
ChicagoPorto
ORD Chicago O'Hare Intl - OPO Porto
ORDOPO
Chicago O'Hare Intl
Mon 10/5
9:40 pm-10:25 am
2 stops30h 45m
Porto
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$426
ChicagoPonta Delgada
ORD Chicago O'Hare Intl - PDL Ponta Delgada Nordela
ORDPDL
Chicago O'Hare Intl
Fri 12/11
10:37 pm-6:35 pm
3 stops38h 58m
Ponta Delgada Nordela
Wed 12/31
12:00 am-7:00 pm
Nonstop0h 00m
$441
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from O'Hare Intl with our price prediction graph.
ORD-OPO
ORD-LIS
ORD-FNC
ORD-FAO
ORD-PDL
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 O'Hare Intl Airport to Portugal
ORD-PT0
ORD-OPO
ORD-LIS
ORD-FNC
ORD-FAO
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portugal?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $614). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $1,112). 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 ORD to PT?
Find hourly flight availability from O'Hare Intl 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 1, 2026.
When flying from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Portugal?
The best time to book flights from Chicago O'Hare Intl Airport to Portugal is 75 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 1, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andTAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.4
Food
6.7
Crew
8.1
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl to Portugal
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Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from O'Hare Intl to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Portugal flights
Browse other O'Hare Intl and Portugal flight options. Last updated on October 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
O'Hare Intl to Portugal flights
Consider these flights traveling from O'Hare Intl to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from O'Hare Intl to Portugal
Discover the top 10 airlines that operate flights from O'Hare Intl 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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$373 | Average$458 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$451 | Average$840 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$460 | Average$637 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$474 | Average$766 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$485 | Average$911 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$489 | Average$760 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$707 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$496 | Average$796 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$509 | Average$889 | FlexibilityNo cancel fee | On-time70% |