$370+ Cheap flights from Portugal to O'Hare Intl (ORD)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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1. Tell us where you want to go
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Cheapest flights from Portugal to O'Hare IntlExplore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Portugal to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Rumbo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:55 pm -
1 stop29h 50m
Wed 12/27:15 pm -
1 stop14h 50m
Deal found 8/11![Scandinavian Airlines logo]()
$601
This oojo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:15 pm -
1 stop25h 55m
Tue 9/157:15 pm -
1 stop18h 10m
Deal found 8/11![Scandinavian Airlines logo]()
$606
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/810:15 pm -
1 stop21h 45m
Fri 9/189:00 pm -
1 stop18h 35m
Deal found 8/12![Aer Lingus logo]()
$634
This Gotogate deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:45 pm -
1 stop29h 00m
Wed 11/47:15 pm -
1 stop15h 45m
Deal found 8/11![Scandinavian Airlines logo]()
$635
This Scandinavian Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/234:55 pm -
1 stop29h 50m
Thu 12/317:15 pm -
1 stop14h 50m
Deal found 8/9![Scandinavian Airlines logo]()
$639
This oojo deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:15 pm -
1 stop25h 55m
Wed 11/47:15 pm -
1 stop14h 50m
Deal found 8/9![Scandinavian Airlines logo]()
$645
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:10 pm -
2 stops25h 50m
Wed 9/306:00 pm -
2 stops23h 50m
Deal found 8/9![Multiple Airlines logo]()
$651
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/294:55 pm -
1 stop29h 50m
Mon 11/97:15 pm -
1 stop14h 50m
Deal found 8/12![Scandinavian Airlines logo]()
$662
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:45 pm -
1 stop29h 00m
Thu 11/57:15 pm -
1 stop33h 55m
Deal found 8/11![Scandinavian Airlines logo]()
$668
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am -
2 stops35h 45m
Sun 10/258:15 pm -
1 stop33h 55m
Deal found 8/11![Scandinavian Airlines logo]()
$674
This Scandinavian Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:15 pm -
1 stop25h 55m
Thu 11/127:15 pm -
1 stop14h 50m
Deal found 8/9![Scandinavian Airlines logo]()
$677
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:45 am -
1 stop13h 30m
Mon 9/289:00 pm -
1 stop16h 25m
Deal found 8/11![Aer Lingus logo]()
$680
Best flights from Portugal to O'Hare IntlDiscover carefully curated flight deals from Portugal to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Portugal to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am -
2 stops35h 45m
Sun 10/258:15 pm -
1 stop33h 55m
Deal found 8/11![Scandinavian Airlines logo]()
$674
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/108:45 pm -
2 stops23h 30m
Mon 9/144:50 pm -
2 stops24h 40m
Deal found 8/13![Multiple Airlines logo]()
$687
This Lufthansa deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/85:05 am -
1 stop15h 50m
Thu 10/154:05 pm -
1 stop13h 40m
Deal found 8/13![Lufthansa logo]()
$876
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/185:00 am -
1 stop15h 15m
Mon 9/215:10 pm -
1 stop16h 15m
Deal found 8/13![Delta logo]()
$882
This SWISS deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/25:55 am -
1 stop16h 00m
Thu 9/102:20 pm -
1 stop27h 05m
Deal found 8/13![SWISS logo]()
$883
This Rumbo deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:15 am -
Nonstop9h 25m
Wed 9/306:00 pm -
Nonstop8h 10m
Deal found 8/13![TAP AIR PORTUGAL logo]()
$888
This KLM deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:45 pm -
2 stops24h 32m
Sun 9/65:18 pm -
2 stops33h 52m
Deal found 8/11![KLM logo]()
$894
This British Airways deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 11/122:20 pm -
1 stop29h 25m
Sun 11/1510:10 am -
2 stops18h 35m
Deal found 8/12![British Airways logo]()
$895
This Scandinavian Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/2411:50 am -
1 stop34h 20m
Sun 9/277:35 am -
2 stops21h 35m
Deal found 8/12![Scandinavian Airlines logo]()
$772
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/1810:00 pm -
3 stops27h 15m
Mon 9/213:45 pm -
2 stops22h 55m
Deal found 8/13![Multiple Airlines logo]()
$830
This Scandinavian Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/218:15 pm -
1 stop25h 55m
Sun 10/258:15 pm -
2 stops20h 45m
Deal found 8/13![Scandinavian Airlines logo]()
$783
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/285:00 am -
1 stop15h 30m
Mon 10/55:10 pm -
2 stops16h 15m
Deal found 8/12![Delta logo]()
$883
This KLM deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:50 am -
2 stops17h 40m
Fri 9/1110:25 am -
2 stops17h 05m
Deal found 8/10![KLM logo]()
$904
This Iberia deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/176:35 am -
1 stop13h 50m
Wed 9/308:50 pm -
1 stop15h 05m
Deal found 8/13![Multiple Airlines logo]()
$845
This British Airways deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:35 am -
1 stop33h 25m
Sun 8/3010:30 pm -
1 stop14h 25m
Deal found 8/9![British Airways logo]()
$932
This Trip.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:50 am -
1 stop34h 20m
Mon 10/57:15 pm -
1 stop33h 45m
Deal found 8/10![Scandinavian Airlines logo]()
$786
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:00 am -
1 stop15h 15m
Tue 9/83:55 pm -
2 stops17h 30m
Deal found 8/11![Delta logo]()
$884
This KLM deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:20 am -
2 stops19h 37m
Sat 9/55:18 pm -
2 stops18h 47m
Deal found 8/9![KLM logo]()
$923
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/175:00 am -
2 stops21h 30m
Wed 9/303:05 pm -
2 stops18h 20m
Deal found 8/13![Delta logo]()
$888
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:35 pm -
2 stops26h 35m
Mon 10/127:15 pm -
2 stops32h 20m
Deal found 8/11![Scandinavian Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 10/155:00 am -
2 stops17h 32m
Fri 10/3011:19 am -
2 stops18h 16m
Deal found 8/12![Delta logo]()
$888
This Scandinavian Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/295:45 pm -
1 stop29h 00m
Mon 2/17:15 pm -
2 stops21h 15m
Deal found 8/11![Scandinavian Airlines logo]()
$877
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/115:00 am -
1 stop15h 15m
Mon 9/141:29 pm -
2 stops15h 46m
Deal found 8/13![Delta logo]()
$890
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/185:00 am -
1 stop15h 15m
Fri 9/255:10 pm -
1 stop12h 05m
Deal found 8/13![Delta logo]()
$890
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/35:00 am -
1 stop15h 15m
Thu 9/1010:29 am -
2 stops18h 46m
Deal found 8/13![Delta logo]()
$890
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/175:00 am -
1 stop15h 15m
Wed 9/3010:25 am -
2 stops16h 25m
Deal found 8/12![Delta logo]()
$891
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 8/275:00 am -
1 stop15h 15m
Sat 9/124:35 pm -
2 stops16h 20m
Deal found 8/12![Delta logo]()
$891
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/610:15 pm -
1 stop21h 45m
Fri 9/189:00 pm -
1 stop18h 35m
Deal found 8/12![Aer Lingus logo]()
$686
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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 9/810:15 pm -
1 stop21h 45m
Fri 9/189:00 pm -
1 stop18h 35m
Deal found 8/12![Aer Lingus logo]()
$634
This oojo deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:15 pm -
1 stop25h 55m
Tue 9/157:15 pm -
1 stop18h 10m
Deal found 8/11![Scandinavian Airlines logo]()
$606
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:15 pm -
1 stop27h 00m
Sun 9/133:45 pm -
1 stop13h 00m
Deal found 8/9![Aer Lingus logo]()
$700
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:15 pm -
2 stops22h 55m
Sun 9/134:15 pm -
2 stops23h 50m
Deal found 8/9![Multiple Airlines logo]()
$705
This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/108:45 pm -
1 stop23h 15m
Mon 9/149:00 pm -
1 stop20h 30m
Deal found 8/13![Multiple Airlines logo]()
$682
This Expedia deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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.
Sun 9/1310:15 pm -
1 stop21h 45m
Fri 9/259:00 pm -
1 stop18h 35m
Deal found 8/13![Aer Lingus logo]()
$698
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:10 am -
2 stops35h 30m
Wed 9/236:00 pm -
2 stops23h 50m
Deal found 8/9![Multiple Airlines logo]()
$721
This Mytrip deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:10 pm -
2 stops25h 50m
Wed 9/306:00 pm -
2 stops23h 50m
Deal found 8/9![Multiple Airlines logo]()
$651
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:45 am -
1 stop13h 30m
Mon 9/289:00 pm -
1 stop16h 25m
Deal found 8/11![Aer Lingus logo]()
$680
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:25 am -
1 stop15h 50m
Wed 9/309:00 pm -
1 stop14h 50m
Deal found 8/12![Multiple Airlines logo]()
$715
This Travelocity deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” 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.
Tue 9/226:15 pm -
2 stops27h 55m
Tue 9/297:15 pm -
1 stop18h 10m
Deal found 8/12![Multiple Airlines logo]()
$714
One-way flights from Portugal to O'Hare IntlSearch for one-way flight options from Portugal to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Portugal to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:35 pm -
3 stops50h 15m
Deal found 8/10![Multiple Airlines logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:45 pm -
3 stops51h 05m
Deal found 8/11![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:35 pm -
3 stops34h 15m
Deal found 8/11![Multiple Airlines logo]()
$389
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:40 pm -
3 stops50h 10m
Deal found 8/11![Multiple Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:25 am -
3 stops38h 25m
Deal found 8/10![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/59:25 am -
3 stops38h 25m
Deal found 8/10![Multiple Airlines logo]()
$401
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/76:50 pm -
2 stops26h 40m
Deal found 8/10![Multiple Airlines logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:35 pm -
3 stops50h 15m
Deal found 8/11![Multiple Airlines logo]()
$406
This Kiwi.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/3011:00 am -
2 stops33h 55m
Deal found 8/13![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:20 am -
3 stops41h 30m
Deal found 8/10![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:35 pm -
3 stops50h 15m
Deal found 8/11![Multiple Airlines logo]()
$409
This Kiwi.com deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/187:15 am -
3 stops40h 35m
Deal found 8/11![Multiple Airlines logo]()
$419
Find flight deals from Portugal to O'Hare Intl
Keep the following information in mind while searching for Portugal to O'Hare Intl flight deals. Data was last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $601 (Rumbo) |
One-way from | $370 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $714 |
Good round-trip deal | $983 or less |
Good one-way deal | $629 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Portugal to O'Hare Intl 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 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Portugal to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Wed 10/21
10:25 am-4:10 pm
2 stops35h 45m
Chicago O'Hare Intl
Sun 10/25
8:15 pm-11:10 am
1 stop33h 55m
$674
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Thu 9/10
8:45 pm-2:15 pm
2 stops23h 30m
Chicago O'Hare Intl
Mon 9/14
4:50 pm-11:30 pm
2 stops24h 40m
$687
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/24
11:50 am-4:10 pm
1 stop34h 20m
Chicago O'Hare Intl
Sun 9/27
7:35 am-11:10 am
2 stops21h 35m
$772
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Wed 10/21
8:15 pm-4:10 pm
1 stop25h 55m
Chicago O'Hare Intl
Sun 10/25
8:15 pm-10:00 pm
2 stops20h 45m
$783
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/24
11:50 am-4:10 pm
1 stop34h 20m
Chicago O'Hare Intl
Mon 10/5
7:15 pm-11:00 am
1 stop33h 45m
$786
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Fri 9/18
10:00 pm-7:15 pm
3 stops27h 15m
Chicago O'Hare Intl
Mon 9/21
3:45 pm-8:40 pm
2 stops22h 55m
$830
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Thu 9/17
6:35 am-2:25 pm
1 stop13h 50m
Chicago O'Hare Intl
Wed 9/30
8:50 pm-5:55 pm
1 stop15h 05m
$845
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Sat 10/10
7:35 pm-4:10 pm
2 stops26h 35m
Chicago O'Hare Intl
Mon 10/12
7:15 pm-9:35 am
2 stops32h 20m
$858
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Tue 9/8
5:05 am-2:55 pm
1 stop15h 50m
Chicago O'Hare Intl
Thu 10/15
4:05 pm-11:45 am
1 stop13h 40m
$876
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Fri 1/29
5:45 pm-4:45 pm
1 stop29h 00m
Chicago O'Hare Intl
Mon 2/1
7:15 pm-10:30 pm
2 stops21h 15m
$877
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Portugal to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Portugal with our price prediction graph.
FAO-ORD
LIS-ORD
OPO-ORD
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 Portugal to Chicago O'Hare Intl Airport
PT0-ORD
FAO-ORD
LIS-ORD
OPO-ORD
What is the cheapest month to book a flight from Portugal to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $695). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,137). 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 PT to ORD?
Find hourly flight availability from Portugal to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 13, 2026.
When flying from Portugal to Chicago O'Hare Intl Airport, 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 Portugal to Chicago delayed?
About 24% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for Portugal to Chicago flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Portugal to Chicago flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 24% of flights being delayed.
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated August 13, 2026.
Get a feel of what it's like to fly with TAP AIR PORTUGAL from Portugal to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.3
Boarding
7.0
Comfort
7.1
Entertainment
6.4
Crew
7.8
Overall
7.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Food
6.3
Boarding
7.0
Comfort
7.1
Entertainment
6.4
Crew
7.8
Overall
7.2
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Related info for your journey
Find useful and relevant information for your journey from Portugal to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Gurnee
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
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Consider these flights traveling from Portugal to O'Hare Intl.
Top airline flying from Portugal to O'Hare Intl
Discover the top airline that operate flights from Portugal to O'Hare Intl. 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 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$697 | Average$1,082 | FlexibilityNo cancel fee | On-timeN/A |