$365+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Jun 25 — Jul 21
Round-trip
1 adult, Economy
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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 May 26, 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 May 26, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/22. 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.
Tue 11/104:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/167:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$607
This Trip.com deal was found by Cheapflights users on 5/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/114:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Wed 11/187:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 am
LIS
- ORD
1 stop22h 05m
Scandinavian Airlines
Sun 10/258:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$615
This Kissandfly.com deal was found by Cheapflights users on 5/23. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/167:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$622
This Scandinavian Airlines deal was found by Cheapflights users on 5/22. 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.
Tue 11/104:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Tue 11/177:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$624
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1412:05 am
LIS
- ORD
1 stop22h 05m
Scandinavian Airlines
Tue 10/278:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$631
This Justfly.com deal was found by Cheapflights users on 5/22. 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.
Wed 10/1412:05 am
LIS
- ORD
1 stop22h 05m
Scandinavian Airlines
Mon 10/268:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$640
This Scandinavian Airlines deal was found by Cheapflights users on 5/22. 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.
Mon 11/94:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Tue 11/177:15 pm
ORD
- LIS
1 stop14h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$642
This Rumbo deal was found by Cheapflights users on 5/24. 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 12/14:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Tue 12/810:30 am
ORD
- LIS
2 stops23h 35m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$662
This Scandinavian Airlines deal was found by Cheapflights users on 5/22. 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 10/1412:05 am
LIS
- ORD
1 stop22h 05m
Scandinavian Airlines
Fri 10/237:15 pm
ORD
- LIS
1 stop20h 50m
Scandinavian Airlines
Deal found 5/22![Scandinavian Airlines logo]()
$679
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Tue 9/226:35 am
LIS
- ORD
1 stop13h 50m
Multiple Airlines
Mon 9/287:25 pm
ORD
- LIS
2 stops21h 35m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$694
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:35 am
LIS
- ORD
1 stop13h 50m
Multiple Airlines
Mon 10/267:30 pm
ORD
- LIS
2 stops21h 35m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$699
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 May 26, 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 May 26, 2026.
This SWISS deal was found by Cheapflights users on 5/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:55 am
LIS
- ORD
1 stop36h 40m
SWISS
Mon 6/227:05 pm
ORD
- LIS
1 stop22h 20m
SWISS
Deal found 5/22![SWISS logo]()
$877
This Lufthansa deal was found by Cheapflights users on 5/21. 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 10/76:15 am
LIS
- ORD
1 stop18h 00m
Multiple Airlines
Mon 10/127:05 pm
ORD
- LIS
1 stop13h 40m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$883
This Scandinavian Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 9/45:55 pm
OPO
- ORD
2 stops45h 33m
Scandinavian Airlines
Wed 9/166:10 pm
ORD
- OPO
2 stops40h 55m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$886
This lol.travel deal was found by Cheapflights users on 5/21. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
OPO
- ORD
1 stop14h 55m
Lufthansa
Sat 6/2010:30 pm
ORD
- OPO
1 stop18h 15m
Lufthansa
Deal found 5/21![Lufthansa logo]()
$897
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:10 pm
OPO
- ORD
1 stop13h 45m
United Airlines
Sat 9/125:55 am
ORD
- OPO
1 stop19h 00m
United Airlines
Deal found 5/23![United Airlines logo]()
$899
This Delta deal was found by Cheapflights users on 5/24. 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.
Tue 6/95:00 am
OPO
- ORD
2 stops17h 26m
Delta
Tue 6/162:07 pm
ORD
- OPO
2 stops19h 18m
Delta
Deal found 5/24![Delta logo]()
$910
This Gotogate deal was found by Cheapflights users on 5/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:50 am
OPO
- ORD
1 stop33h 00m
Air Canada
Wed 6/242:15 pm
ORD
- OPO
2 stops15h 50m
Air Canada
Deal found 5/24![Air Canada logo]()
$916
This FlightHub deal was found by Cheapflights users on 5/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:35 pm
LIS
- ORD
2 stops31h 30m
LOT
Fri 7/248:10 pm
ORD
- LIS
1 stop14h 50m
LOT
Deal found 5/26![LOT logo]()
$1,032
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:15 pm
FAO
- ORD
1 stop26h 30m
TAP AIR PORTUGAL
Thu 7/234:45 pm
ORD
- FAO
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$1,041
This KLM deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:10 pm
FAO
- ORD
1 stop22h 05m
KLM
Wed 10/215:45 pm
ORD
- FAO
2 stops19h 45m
KLM
Deal found 5/26![KLM logo]()
$1,100
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:00 am
OPO
- ORD
1 stop19h 55m
United Airlines
Tue 9/151:21 pm
ORD
- OPO
1 stop10h 54m
United Airlines
Deal found 5/23![United Airlines logo]()
$899
This SWISS deal was found by Cheapflights users on 5/25. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:30 pm
FAO
- ORD
1 stop24h 25m
SWISS
Mon 6/157:05 pm
ORD
- FAO
1 stop17h 15m
SWISS
Deal found 5/25![SWISS logo]()
$908
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Mon 6/226:00 am
OPO
- ORD
2 stops34h 15m
Multiple Airlines
Tue 7/77:25 pm
ORD
- OPO
2 stops21h 35m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$918
This Delta deal was found by Cheapflights users on 5/21. 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.
Thu 10/85:00 am
LIS
- ORD
2 stops21h 24m
Delta
Sun 10/1110:30 am
ORD
- LIS
2 stops16h 20m
Delta
Deal found 5/21![Delta logo]()
$918
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1112:10 pm
OPO
- ORD
1 stop13h 45m
United Airlines
Wed 6/242:21 pm
ORD
- OPO
1 stop10h 34m
United Airlines
Deal found 5/26![United Airlines logo]()
$902
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:55 am
LIS
- ORD
1 stop32h 20m
Delta
Thu 10/111:30 am
ORD
- LIS
2 stops17h 45m
Delta
Deal found 5/25![Delta logo]()
$936
This TAP AIR PORTUGAL deal was found by Cheapflights users on 5/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:15 pm
FAO
- ORD
1 stop26h 30m
TAP AIR PORTUGAL
Sun 7/266:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Deal found 5/25![TAP AIR PORTUGAL logo]()
$1,041
This oojo deal was found by Cheapflights users on 5/23. 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.
Thu 7/26:05 pm
FAO
- ORD
1 stop28h 05m
Scandinavian Airlines
Mon 7/137:15 pm
ORD
- FAO
1 stop15h 05m
Scandinavian Airlines
Deal found 5/23![Scandinavian Airlines logo]()
$1,052
This United Airlines deal was found by Cheapflights users on 5/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/96:00 am
OPO
- ORD
1 stop14h 55m
United Airlines
Tue 6/161:30 pm
ORD
- OPO
1 stop10h 45m
United Airlines
Deal found 5/23![United Airlines logo]()
$904
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Mon 7/66:10 pm
FAO
- ORD
3 stops31h 55m
Multiple Airlines
Mon 7/137:25 pm
ORD
- FAO
2 stops15h 30m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$1,006
This Delta deal was found by Cheapflights users on 5/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 am
LIS
- ORD
1 stop15h 30m
Delta
Thu 10/111:30 am
ORD
- LIS
2 stops17h 45m
Delta
Deal found 5/25![Delta logo]()
$936
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:05 am
LIS
- ORD
1 stop13h 50m
United Airlines
Tue 9/294:00 pm
ORD
- LIS
1 stop10h 20m
United Airlines
Deal found 5/25![United Airlines logo]()
$907
This United Airlines deal was found by Cheapflights users on 5/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/115:05 am
LIS
- ORD
1 stop13h 50m
United Airlines
Fri 6/199:34 pm
ORD
- LIS
1 stop28h 46m
United Airlines
Deal found 5/21![United Airlines logo]()
$926
This Delta deal was found by Cheapflights users on 5/21. 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.
Thu 6/115:00 am
LIS
- ORD
2 stops19h 29m
Delta
Fri 6/195:22 pm
ORD
- LIS
2 stops18h 28m
Delta
Deal found 5/21![Delta logo]()
$1,039
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated May 26, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated May 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:00 pm
LIS
- ORD
2 stops35h 52m
United Airlines
Thu 5/286:12 pm
ORD
- LIS
1 stop10h 18m
United Airlines
Deal found 5/22![United Airlines logo]()
$844
This KAYAK deal was found by Cheapflights users on 5/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/261:00 pm
LIS
- ORD
1 stop26h 00m
Lufthansa
Thu 5/287:10 am
ORD
- LIS
1 stop19h 10m
Lufthansa
Deal found 5/22![Lufthansa logo]()
$873
This United Airlines deal was found by Cheapflights users on 5/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:25 am
LIS
- ORD
1 stop29h 55m
United Airlines
Sat 5/307:00 am
ORD
- LIS
2 stops44h 20m
United Airlines
Deal found 5/25![United Airlines logo]()
$819
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Mon 6/16:15 am
LIS
- ORD
3 stops35h 56m
Multiple Airlines
Sun 6/148:20 pm
ORD
- LIS
2 stops19h 25m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$803
This United Airlines deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:00 pm
LIS
- ORD
2 stops53h 11m
United Airlines
Thu 6/411:07 am
ORD
- LIS
1 stop17h 23m
United Airlines
Deal found 5/26![United Airlines logo]()
$846
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Sat 6/66:10 am
LIS
- ORD
2 stops32h 50m
Multiple Airlines
Mon 6/224:37 pm
ORD
- LIS
2 stops20h 18m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$822
This Ticket deal was found by Cheapflights users on 5/23. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:25 am
LIS
- ORD
1 stop13h 30m
Lufthansa
Mon 6/226:00 pm
ORD
- LIS
1 stop13h 40m
Lufthansa
Deal found 5/23![Lufthansa logo]()
$876
This Mytrip deal was found by Cheapflights users on 5/23. 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.
Mon 6/89:00 am
OPO
- ORD
2 stops34h 10m
Multiple Airlines
Tue 6/233:00 pm
ORD
- OPO
1 stop21h 25m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$808
This Gotogate deal was found by Cheapflights users on 5/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1110:25 am
OPO
- ORD
1 stop35h 45m
Scandinavian Airlines
Wed 6/247:15 pm
ORD
- OPO
1 stop31h 30m
Scandinavian Airlines
Deal found 5/24![Scandinavian Airlines logo]()
$846
This SWISS deal was found by Cheapflights users on 5/22. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:55 am
LIS
- ORD
1 stop36h 40m
SWISS
Mon 6/227:05 pm
ORD
- LIS
1 stop22h 20m
SWISS
Deal found 5/22![SWISS logo]()
$877
This Gotogate deal was found by Cheapflights users on 5/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:40 am
OPO
- ORD
1 stop29h 00m
Turkish Airlines
Tue 7/711:25 am
ORD
- OPO
1 stop22h 15m
Turkish Airlines
Deal found 5/21![Turkish Airlines logo]()
$889
This Mytrip deal was found by Cheapflights users on 5/24. 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.
Thu 6/2511:35 am
LIS
- ORD
1 stop14h 41m
Multiple Airlines
Sat 7/119:50 am
ORD
- LIS
2 stops29h 05m
Multiple Airlines
Deal found 5/24![Multiple Airlines logo]()
$883
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 May 26, 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 May 26, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 9/196:10 am
LIS
- ORD
2 stops34h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$365
This Mytrip deal was found by Cheapflights users on 5/21. 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.
Sat 6/66:10 am
LIS
- ORD
2 stops32h 50m
Multiple Airlines
Deal found 5/21![Multiple Airlines logo]()
$374
This Mytrip deal was found by Cheapflights users on 5/25. 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.
Sun 6/76:10 am
LIS
- ORD
2 stops32h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 am
LIS
- ORD
3 stops46h 55m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 8/316:15 am
LIS
- ORD
3 stops38h 20m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Fri 9/410:00 pm
FAO
- ORD
3 stops49h 50m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Tue 10/69:40 pm
LIS
- ORD
2 stops27h 35m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 5/24. 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.
Sun 6/216:10 am
LIS
- ORD
2 stops20h 21m
WestJet
Deal found 5/24![WestJet logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 6/206:10 am
LIS
- ORD
2 stops20h 21m
WestJet
Deal found 5/23![WestJet logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 5/25. 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.
Tue 8/259:40 pm
LIS
- ORD
2 stops27h 35m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 9/310:10 pm
LIS
- ORD
3 stops25h 40m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$422
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 8/2710:15 am
FAO
- ORD
3 stops37h 35m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$431
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 May 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $607 (Scandinavian Airlines) |
One-way from | $365 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $834 |
Good one-way deal | $648 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 May 26, 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 - ORD
LISORD
Lisbon Humberto Delgado
Thu 6/18
5:55 am-12:35 pm
1 stop36h 40m
Chicago O'Hare Intl
Mon 6/22
7:05 pm-11:25 pm
1 stop22h 20m
$877
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Wed 10/7
6:15 am-6:15 pm
1 stop18h 00m
Chicago O'Hare Intl
Mon 10/12
7:05 pm-2:45 pm
1 stop13h 40m
$883
PortoChicago
OPO - ORD
OPOORD
Porto
Fri 9/4
5:55 pm-9:28 am
2 stops45h 33m
Chicago O'Hare Intl
Wed 9/16
6:10 pm-5:05 pm
2 stops40h 55m
$886
PortoChicago
OPO - ORD
OPOORD
Porto
Sat 6/6
6:00 am-2:55 pm
1 stop14h 55m
Chicago O'Hare Intl
Sat 6/20
10:30 pm-10:45 pm
1 stop18h 15m
$897
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/31
12:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Sat 9/12
5:55 am-6:55 am
1 stop19h 00m
$899
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 9/3
6:00 am-7:55 pm
1 stop19h 55m
Chicago O'Hare Intl
Tue 9/15
1:21 pm-6:15 am
1 stop10h 54m
$899
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 6/11
12:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Wed 6/24
2:21 pm-6:55 am
1 stop10h 34m
$902
PortoChicago
OPO - ORD
OPOORD
Porto
Tue 6/9
6:00 am-2:55 pm
1 stop14h 55m
Chicago O'Hare Intl
Tue 6/16
1:30 pm-6:15 am
1 stop10h 45m
$904
Quickest round-trip
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Thu 9/24
5:05 am-12:55 pm
1 stop13h 50m
Chicago O'Hare Intl
Tue 9/29
4:00 pm-8:20 am
1 stop10h 20m
$907
FaroChicago
FAO - ORD
FAOORD
Faro
Thu 6/11
6:30 pm-12:55 pm
1 stop24h 25m
Chicago O'Hare Intl
Mon 6/15
7:05 pm-6:20 pm
1 stop17h 15m
$908
Showing 1-10 of 49 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 $473). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $880). 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 May 26, 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 23% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 127 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 Saturday 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 23% 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 May 26, 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
6.3
Comfort
7.1
Food
6.2
Crew
7.8
Overall
7.2
Boarding
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2025
LIS - EWR
Entertainment
6.3
Comfort
7.1
Food
6.2
Crew
7.8
Overall
7.2
Boarding
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2025
LIS - EWR
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 locationsRosemont
Schaumburg
Benton Harbor
Naperville
Lake Geneva
Delavan
Oakbrook Terrace
Gurnee
Downers Grove
Des Plaines
Hoffman Estates
Oak Brook
South Holland
Libertyville
Warrenville
Rockford
Great Lakes
Northbrook
Waukegan
Willowbrook
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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 May 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$665 | Average$1,209 | FlexibilityNo cancel fee | On-timeN/A |