$381+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Sep 28 — Oct 51
Round-trip
1 adult, Economy
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Find cheap flights from Portugal to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 29, 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 29, 2026.
This oojo deal was found by Cheapflights users on 8/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:55 pm -
1 stop29h 50m
Sun 11/157:15 pm -
1 stop14h 50m
Deal found 8/25![Scandinavian Airlines logo]()
$527
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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 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 8/25![Scandinavian Airlines logo]()
$537
This Scandinavian Airlines deal was found by Cheapflights users on 8/29. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/275:35 pm -
1 stop29h 10m
Thu 12/317:15 pm -
1 stop15h 40m
Deal found 8/29![Scandinavian Airlines logo]()
$541
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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.
Sun 12/274:55 pm -
1 stop29h 50m
Thu 12/317:15 pm -
1 stop14h 50m
Deal found 8/26![Scandinavian Airlines logo]()
$551
This oojo deal was found by Cheapflights users on 8/25. 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 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
Tue 10/278:15 pm -
1 stop14h 50m
Deal found 8/25![Scandinavian Airlines logo]()
$563
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:55 pm -
1 stop29h 50m
Wed 11/47:15 pm -
1 stop14h 50m
Deal found 8/26![Scandinavian Airlines logo]()
$602
This oojo deal was found by Cheapflights users on 8/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/254:55 pm -
1 stop29h 50m
Thu 1/77:15 pm -
1 stop14h 50m
Deal found 8/26![Scandinavian Airlines logo]()
$610
This deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/147:05 am -
1 stop17h 40m
Sat 1/29:50 pm -
1 stop14h 05m
Deal found 8/28![British Airways logo]()
$613
This Expedia deal was found by Cheapflights users on 8/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:15 pm -
1 stop21h 45m
Sun 10/183:45 pm -
1 stop13h 00m
Deal found 8/25![Aer Lingus logo]()
$617
This deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1310:40 am -
1 stop14h 05m
Sat 1/29:50 pm -
1 stop14h 05m
Deal found 8/28![British Airways logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:15 am -
1 stop15h 00m
Mon 9/79:00 pm -
1 stop20h 30m
Deal found 8/25![Multiple Airlines logo]()
$661
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/1010:15 am -
1 stop15h 00m
Mon 9/149:00 pm -
1 stop20h 30m
Deal found 8/24![Multiple Airlines logo]()
$664
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 29, 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 29, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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.
Thu 1/144:55 pm -
1 stop29h 50m
Sun 1/177:15 pm -
1 stop14h 50m
Deal found 8/26![Scandinavian Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/1010:15 am -
1 stop15h 00m
Mon 9/149:00 pm -
1 stop20h 30m
Deal found 8/24![Multiple Airlines logo]()
$664
This Delta deal was found by Cheapflights users on 8/28. 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.
Tue 10/135:00 am -
1 stop15h 15m
Tue 10/203:05 pm -
2 stops18h 20m
Deal found 8/28![Delta logo]()
$780
This KLM deal was found by Cheapflights users on 8/29. 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.
Fri 9/115:00 am -
1 stop15h 15m
Thu 12/31:35 pm -
1 stop12h 25m
Deal found 8/29![KLM logo]()
$792
This British Airways deal was found by Cheapflights users on 8/29. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:20 pm -
1 stop29h 05m
Mon 9/214:01 pm -
2 stops16h 44m
Deal found 8/29![British Airways logo]()
$800
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/28. 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 1/1411:10 am -
1 stop34h 20m
Sun 1/178:10 pm -
1 stop21h 40m
Deal found 8/28![TAP AIR PORTUGAL logo]()
$943
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/98:15 pm -
1 stop25h 55m
Tue 9/157:15 pm -
1 stop18h 10m
Deal found 8/26![Scandinavian Airlines logo]()
$682
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 9/175:00 am -
1 stop15h 15m
Wed 9/305:10 pm -
1 stop16h 15m
Deal found 8/28![Delta logo]()
$782
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/175:00 am -
1 stop15h 15m
Wed 10/146:00 pm -
2 stops15h 25m
Deal found 8/27![Delta logo]()
$783
This FlightHub deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Sun 12/135:55 am -
2 stops16h 50m
Sat 1/97:15 pm -
1 stop15h 30m
Deal found 8/24![Scandinavian Airlines logo]()
$784
This KLM deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:30 am -
2 stops18h 00m
Mon 9/1410:30 am -
2 stops16h 40m
Deal found 8/24![KLM logo]()
$903
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:45 pm -
2 stops27h 25m
Sun 11/17:54 am -
2 stops20h 51m
Deal found 8/26![British Airways logo]()
$918
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 pm -
2 stops33h 41m
Wed 10/149:55 am -
2 stops19h 25m
Deal found 8/25![Multiple Airlines logo]()
$934
This Delta deal was found by Cheapflights users on 8/27. 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.
Sun 12/135:00 am -
2 stops17h 17m
Sat 1/910:30 am -
2 stops18h 05m
Deal found 8/27![Delta logo]()
$788
This Expedia deal was found by Cheapflights users on 8/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:55 pm -
1 stop28h 15m
Sun 10/187:15 pm -
2 stops21h 00m
Deal found 8/26![Scandinavian Airlines logo]()
$799
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/98:00 pm -
1 stop25h 55m
Fri 10/167:05 pm -
1 stop16h 45m
Deal found 8/25![British Airways logo]()
$946
This Delta deal was found by Cheapflights users on 8/28. 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.
Wed 9/305:00 am -
1 stop15h 30m
Thu 10/155:10 pm -
1 stop12h 05m
Deal found 8/28![Delta logo]()
$790
This Scandinavian Airlines deal was found by Cheapflights users on 8/25. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:55 pm -
2 stops32h 04m
Wed 10/147:10 pm -
2 stops39h 55m
Deal found 8/25![Scandinavian Airlines logo]()
$808
This Delta deal was found by Cheapflights users on 8/28. 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.
Thu 9/175:00 am -
1 stop15h 15m
Sat 10/310:25 am -
2 stops16h 25m
Deal found 8/28![Delta logo]()
$790
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/245:00 am -
1 stop15h 15m
Wed 9/301:29 pm -
2 stops15h 46m
Deal found 8/27![Delta logo]()
$791
This Delta deal was found by Cheapflights users on 8/28. 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.
Mon 9/215:00 am -
1 stop15h 30m
Sun 10/44:15 pm -
1 stop12h 40m
Deal found 8/28![Delta logo]()
$793
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 10/85:00 am -
2 stops19h 29m
Sun 10/115:10 pm -
1 stop15h 45m
Deal found 8/27![Delta logo]()
$796
This Delta deal was found by Cheapflights users on 8/29. 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.
Fri 9/185:00 am -
2 stops17h 13m
Fri 9/254:15 pm -
1 stop16h 20m
Deal found 8/29![Delta logo]()
$799
This Delta deal was found by Cheapflights users on 8/29. 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.
Sat 11/285:00 am -
2 stops17h 18m
Tue 12/110:38 am -
2 stops17h 57m
Deal found 8/29![Delta logo]()
$869
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 29, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/310:15 am -
1 stop15h 00m
Mon 9/79:00 pm -
1 stop20h 30m
Deal found 8/25![Multiple Airlines logo]()
$661
This Rumbo deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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.
Tue 9/810:15 pm -
1 stop21h 45m
Fri 9/189:00 pm -
1 stop18h 35m
Deal found 8/24![Aer Lingus logo]()
$665
This Scandinavian Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/98:15 pm -
1 stop25h 55m
Tue 9/157:15 pm -
1 stop18h 10m
Deal found 8/24![Scandinavian Airlines logo]()
$644
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/98:15 pm -
1 stop25h 55m
Tue 9/227:15 pm -
1 stop18h 10m
Deal found 8/26![Scandinavian Airlines logo]()
$682
This Kiwi.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” 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 9/1010:15 am -
1 stop15h 00m
Mon 9/149:00 pm -
1 stop20h 30m
Deal found 8/24![Multiple Airlines logo]()
$664
This Gotogate deal was found by Cheapflights users on 8/27. 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.
Thu 9/1011:25 am -
1 stop13h 50m
Mon 9/149:00 pm -
1 stop18h 35m
Deal found 8/27![Aer Lingus logo]()
$732
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 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 8/25![Multiple Airlines logo]()
$719
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:45 pm -
1 stop23h 15m
Mon 9/219:00 pm -
1 stop20h 30m
Deal found 8/29![Multiple Airlines logo]()
$726
This deal was found by Cheapflights users on 8/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:10 am -
1 stop14h 45m
Tue 9/297:05 pm -
1 stop14h 30m
Deal found 8/28![British Airways logo]()
$680
This Mytrip deal was found by Cheapflights users on 8/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:15 pm -
3 stops27h 00m
Tue 9/297:25 pm -
2 stops19h 20m
Deal found 8/25![Multiple Airlines logo]()
$681
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:15 pm -
1 stop27h 00m
Mon 9/289:00 pm -
1 stop18h 35m
Deal found 8/27![Aer Lingus logo]()
$694
This Scandinavian Airlines deal was found by Cheapflights users on 8/26. 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.
Wed 9/308:15 pm -
1 stop25h 55m
Sun 1/177:15 pm -
1 stop14h 50m
Deal found 8/26![Scandinavian Airlines logo]()
$626
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 29, 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 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/26. 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 10/219:05 am -
3 stops38h 45m
Deal found 8/26![Multiple Airlines logo]()
$381
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
3 stops41h 20m
Deal found 8/28![Multiple Airlines logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 1/186:50 am -
2 stops18h 25m
Deal found 8/27![Multiple Airlines logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/177:55 pm -
3 stops53h 20m
Deal found 8/25![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/166:30 am -
2 stops18h 45m
Deal found 8/25![Multiple Airlines logo]()
$404
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:10 am -
3 stops39h 52m
Deal found 8/25![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/149:40 pm -
2 stops27h 35m
Deal found 8/25![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 8/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:55 pm -
2 stops29h 25m
Deal found 8/29![Multiple Airlines logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
3 stops41h 50m
Deal found 8/28![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 12/59:25 pm -
3 stops49h 55m
Deal found 8/27![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 12/63:40 pm -
3 stops32h 40m
Deal found 8/27![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:55 am -
3 stops41h 55m
Deal found 8/25![Multiple Airlines logo]()
$420
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $527 (oojo) |
One-way from | $381 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $692 |
Good one-way deal | $655 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 7,457,451 searches. Data last updated August 29, 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
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Thu 1/14
4:55 pm-4:45 pm
1 stop29h 50m
Chicago O'Hare Intl
Sun 1/17
7:15 pm-4:05 pm
1 stop14h 50m
$550
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Thu 9/10
10:15 am-7:15 pm
1 stop15h 00m
Chicago O'Hare Intl
Mon 9/14
9:00 pm-11:30 pm
1 stop20h 30m
$664
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Wed 9/9
8:15 pm-4:10 pm
1 stop25h 55m
Chicago O'Hare Intl
Tue 9/15
7:15 pm-7:25 pm
1 stop18h 10m
$682
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Tue 10/13
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Tue 10/20
3:05 pm-3:25 pm
2 stops18h 20m
$780
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/17
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Wed 9/30
5:10 pm-3:25 pm
1 stop16h 15m
$782
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/17
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Wed 10/14
6:00 pm-3:25 pm
2 stops15h 25m
$783
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Sun 12/13
5:55 am-4:45 pm
2 stops16h 50m
Chicago O'Hare Intl
Sat 1/9
7:15 pm-4:45 pm
1 stop15h 30m
$784
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Sun 12/13
5:00 am-4:17 pm
2 stops17h 17m
Chicago O'Hare Intl
Sat 1/9
10:30 am-10:35 am
2 stops18h 05m
$788
Quickest round-trip
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Wed 9/30
5:00 am-2:30 pm
1 stop15h 30m
Chicago O'Hare Intl
Thu 10/15
5:10 pm-11:15 am
1 stop12h 05m
$790
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Thu 9/17
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Sat 10/3
10:25 am-8:50 am
2 stops16h 25m
$790
Showing 1-10 of 47 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.
LIS-ORD
FAO-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
LIS-ORD
FAO-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 29, 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 29, 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.
Comfort
7.1
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Comfort
7.1
Food
6.3
Crew
7.8
Overall
7.2
Entertainment
6.4
Boarding
7.0
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
Naperville
Lake Geneva
Schaumburg
Oak Brook
Oakbrook Terrace
Delavan
South Holland
Libertyville
Glenview
Orland Park
Hoffman Estates
Aurora
Beloit
Rockford
Racine
Great Lakes
Janesville
Gurnee
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Other flights to O'Hare Intl
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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 7,457,451 searches. Data last updated August 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$697 | Average$1,083 | FlexibilityNo cancel fee | On-timeN/A |