$214+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Sep 23 — Sep 301
Round-trip
1 adult, Economy
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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 24, 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 24, 2026.
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:10 pm -
1 stop22h 50m
Sun 10/189:00 pm -
1 stop19h 05m
Deal found 8/21![Multiple Airlines logo]()
$255
This Kissandfly.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 am -
1 stop13h 50m
Wed 9/303:45 pm -
1 stop13h 00m
Deal found 8/21![Aer Lingus logo]()
$433
This oojo deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Fri 11/137:15 pm -
1 stop14h 50m
Deal found 8/21![Scandinavian Airlines logo]()
$525
This oojo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:55 pm -
1 stop29h 50m
Fri 10/308:15 pm -
1 stop14h 50m
Deal found 8/23![Scandinavian Airlines logo]()
$527
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:50 pm -
1 stop28h 55m
Mon 11/167:15 pm -
1 stop33h 50m
Deal found 8/20![Scandinavian Airlines logo]()
$532
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:55 pm -
1 stop29h 50m
Tue 11/37:15 pm -
1 stop14h 50m
Deal found 8/23![Scandinavian Airlines logo]()
$537
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:55 pm -
1 stop29h 50m
Mon 11/167:15 pm -
1 stop14h 50m
Deal found 8/20![Scandinavian Airlines logo]()
$538
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:30 pm -
1 stop23h 30m
Fri 11/136:30 pm -
2 stops20h 50m
Deal found 8/21![Multiple Airlines logo]()
$542
This Scandinavian Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/23![Scandinavian Airlines logo]()
$546
This Scandinavian Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1111:55 am -
1 stop34h 50m
Mon 11/167:15 pm -
1 stop33h 50m
Deal found 8/22![Scandinavian Airlines logo]()
$553
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:20 pm -
1 stop21h 40m
Wed 9/309:00 pm -
2 stops21h 40m
Deal found 8/21![Multiple Airlines logo]()
$585
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/49:45 pm -
1 stop27h 30m
Sun 10/1810:25 pm -
2 stops16h 05m
Deal found 8/21![Multiple Airlines logo]()
$673
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 24, 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 24, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:55 pm -
1 stop29h 50m
Mon 11/27:15 pm -
1 stop14h 50m
Deal found 8/23![Scandinavian Airlines logo]()
$602
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2310:20 am -
1 stop14h 55m
Mon 10/267:30 pm -
2 stops22h 30m
Deal found 8/21![Multiple Airlines logo]()
$680
This Lufthansa deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/75:05 am -
1 stop13h 50m
Thu 10/153:35 pm -
1 stop16h 05m
Deal found 8/21![Lufthansa logo]()
$883
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
1 stop15h 15m
Wed 9/303:05 pm -
2 stops18h 20m
Deal found 8/20![Delta logo]()
$889
This SWISS deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:55 am -
1 stop36h 40m
Tue 10/132:40 pm -
1 stop18h 05m
Deal found 8/21![SWISS logo]()
$890
This British Airways deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:25 pm -
2 stops17h 11m
Wed 9/307:05 pm -
1 stop18h 00m
Deal found 8/20![British Airways logo]()
$892
This TAP AIR PORTUGAL deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 8/19![TAP AIR PORTUGAL logo]()
$944
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/141:25 pm -
1 stop27h 40m
Sun 1/176:00 am -
2 stops22h 20m
Deal found 8/19![United Airlines logo]()
$1,151
This Mytrip deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:35 pm -
1 stop22h 25m
Sun 11/88:10 pm -
1 stop11h 40m
Deal found 8/19![Multiple Airlines logo]()
$697
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:50 pm -
2 stops33h 10m
Thu 9/246:00 pm -
2 stops23h 20m
Deal found 8/22![Multiple Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/15:00 am -
1 stop15h 15m
Thu 10/85:29 pm -
2 stops15h 56m
Deal found 8/22![Delta logo]()
$893
This British Airways deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:30 pm -
1 stop29h 25m
Mon 9/288:50 pm -
1 stop20h 20m
Deal found 8/20![British Airways logo]()
$900
This Delta deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:00 am -
1 stop15h 15m
Thu 10/225:29 pm -
2 stops15h 26m
Deal found 8/19![Delta logo]()
$893
This British Airways deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:10 am -
2 stops20h 02m
Wed 9/3010:11 am -
2 stops17h 54m
Deal found 8/20![British Airways logo]()
$906
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:00 am -
2 stops20h 15m
Wed 9/309:00 pm -
1 stop18h 55m
Deal found 8/22![Multiple Airlines logo]()
$872
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:00 am -
2 stops17h 17m
Mon 9/74:50 pm -
1 stop19h 05m
Deal found 8/20![Delta logo]()
$900
This SWISS deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:40 pm -
2 stops23h 00m
Thu 11/54:10 pm -
2 stops16h 10m
Deal found 8/23![SWISS logo]()
$1,188
This KLM deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:00 am -
1 stop15h 15m
Wed 10/146:00 pm -
2 stops14h 55m
Deal found 8/21![Multiple Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/115:00 am -
1 stop15h 15m
Sat 10/241:55 pm -
2 stops16h 30m
Deal found 8/22![Delta logo]()
$901
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:35 am -
2 stops20h 55m
Tue 10/135:29 pm -
2 stops18h 21m
Deal found 8/21![Delta logo]()
$913
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.
Sat 9/265:00 am -
1 stop15h 15m
Sun 10/45:10 pm -
1 stop15h 45m
Deal found 8/24![Multiple Airlines logo]()
$954
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:00 am -
2 stops19h 20m
Thu 10/151:55 pm -
2 stops19h 00m
Deal found 8/24![Delta logo]()
$915
This Mytrip deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:10 pm -
3 stops30h 30m
Wed 10/146:00 pm -
2 stops18h 05m
Deal found 8/23![Multiple Airlines logo]()
$1,028
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 24, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated August 24, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1310:15 pm -
1 stop27h 00m
Sat 9/199:00 pm -
1 stop18h 35m
Deal found 8/23![Aer Lingus logo]()
$723
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:15 am -
2 stops35h 08m
Tue 9/299:55 am -
2 stops14h 35m
Deal found 8/24![Multiple Airlines logo]()
$719
This Kissandfly.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:25 am -
1 stop13h 50m
Wed 9/303:45 pm -
1 stop13h 00m
Deal found 8/21![Aer Lingus logo]()
$433
This Mytrip deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:20 pm -
1 stop21h 40m
Wed 9/309:00 pm -
2 stops21h 40m
Deal found 8/21![Multiple Airlines logo]()
$585
This Rumbo deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:45 am -
1 stop13h 30m
Thu 9/249:00 pm -
1 stop16h 25m
Deal found 8/22![Aer Lingus logo]()
$690
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip 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 8/22![Multiple Airlines logo]()
$704
This Mytrip deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:25 am -
1 stop15h 50m
Sun 9/209:00 pm -
1 stop19h 05m
Deal found 8/20![Multiple Airlines logo]()
$708
This Mytrip deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:50 pm -
2 stops33h 10m
Thu 9/246:00 pm -
2 stops23h 20m
Deal found 8/22![Multiple Airlines logo]()
$725
This Rumbo deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:30 pm -
1 stop23h 30m
Wed 9/306:00 pm -
1 stop17h 00m
Deal found 8/23![TAP AIR PORTUGAL logo]()
$750
This Justfly.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:15 pm -
1 stop21h 45m
Fri 9/259:00 pm -
1 stop18h 35m
Deal found 8/22![Aer Lingus logo]()
$682
This Booking.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1910:15 pm -
1 stop27h 00m
Sat 9/263:45 pm -
1 stop12h 30m
Deal found 8/22![Aer Lingus logo]()
$663
This Scandinavian Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:15 pm -
1 stop25h 55m
Tue 9/297:15 pm -
1 stop18h 10m
Deal found 8/20![Scandinavian Airlines logo]()
$642
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 24, 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 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/1110:00 pm -
1 stop27h 15m
Deal found 8/21![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:30 pm -
1 stop28h 45m
Deal found 8/21![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:15 am -
2 stops36h 55m
Deal found 8/21![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:30 am -
1 stop17h 45m
Deal found 8/21![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 am -
3 stops40h 30m
Deal found 8/19![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:35 pm -
3 stops54h 15m
Deal found 8/23![Multiple Airlines logo]()
$362
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:40 pm -
3 stops50h 10m
Deal found 8/23![Multiple Airlines logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:45 am -
3 stops40h 05m
Deal found 8/23![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:10 am -
3 stops46h 49m
Deal found 8/20![Multiple Airlines logo]()
$375
This Kiwi.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/78:30 pm -
1 stop28h 45m
Deal found 8/21![Multiple Airlines logo]()
$380
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.
Tue 10/139:35 pm -
3 stops50h 15m
Deal found 8/24![Multiple Airlines logo]()
$388
This Kiwi.com deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:25 pm -
2 stops32h 25m
Deal found 8/20![Multiple Airlines logo]()
$389
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 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $255 (Mytrip) |
One-way from | $214 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $884 |
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 7,457,451 searches. Data last updated August 24, 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
Wed 10/28
4:55 pm-5:45 pm
1 stop29h 50m
Chicago O'Hare Intl
Mon 11/2
7:15 pm-4:05 pm
1 stop14h 50m
$602
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Fri 10/23
10:20 am-7:15 pm
1 stop14h 55m
Chicago O'Hare Intl
Mon 10/26
7:30 pm-11:00 pm
2 stops22h 30m
$680
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Wed 11/4
9:35 pm-2:00 pm
1 stop22h 25m
Chicago O'Hare Intl
Sun 11/8
8:10 pm-1:50 pm
1 stop11h 40m
$697
FaroChicago
FAO Faro - ORD Chicago O'Hare Intl
FAOORD
Faro
Thu 9/17
12:50 pm-4:00 pm
2 stops33h 10m
Chicago O'Hare Intl
Thu 9/24
6:00 pm-11:20 pm
2 stops23h 20m
$725
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/17
5:00 am-7:15 pm
2 stops20h 15m
Chicago O'Hare Intl
Wed 9/30
9:00 pm-9:55 pm
1 stop18h 55m
$872
Quickest round-trip
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Wed 10/7
5:05 am-12:55 pm
1 stop13h 50m
Chicago O'Hare Intl
Thu 10/15
3:35 pm-1:40 pm
1 stop16h 05m
$883
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
3:05 pm-3:25 pm
2 stops18h 20m
$889
LisbonChicago
LIS Lisbon Humberto Delgado - ORD Chicago O'Hare Intl
LISORD
Lisbon Humberto Delgado
Tue 10/6
5:55 am-12:35 pm
1 stop36h 40m
Chicago O'Hare Intl
Tue 10/13
2:40 pm-2:45 pm
1 stop18h 05m
$890
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 9/17
12:25 pm-11:36 pm
2 stops17h 11m
Chicago O'Hare Intl
Wed 9/30
7:05 pm-7:05 pm
1 stop18h 00m
$892
PortoChicago
OPO Porto - ORD Chicago O'Hare Intl
OPOORD
Porto
Thu 10/1
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Thu 10/8
5:29 pm-3:25 pm
2 stops15h 56m
$893
Showing 1-10 of 42 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
OPO-ORD
FAO-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
OPO-ORD
FAO-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 24, 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 24, 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.
Entertainment
6.4
Food
6.3
Overall
7.2
Crew
7.8
Boarding
7.0
Comfort
7.1
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
LIS - ORD
Entertainment
6.4
Food
6.3
Overall
7.2
Crew
7.8
Boarding
7.0
Comfort
7.1
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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$697 | Average$1,083 | FlexibilityNo cancel fee | On-timeN/A |