$415+ 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
LIS — ORD
Jun 4 — Jun 111
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 5, 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 5, 2026.
This oojo deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 11/194:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/307:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$618
This Justfly.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Wed 11/257:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$622
This Justfly.com deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 11/184:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Mon 11/307:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 5/5![Scandinavian Airlines logo]()
$623
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sat 5/97:10 am
LIS
- ORD
1 stop17h 05m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$624
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Wed 5/67:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$633
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Thu 5/77:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$640
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/174:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Wed 11/257:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$644
This Scandinavian Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/64:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Tue 11/107:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$645
This Scandinavian Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 11/177:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 5/3![Scandinavian Airlines logo]()
$646
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Fri 5/297:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Sun 5/317:05 pm
ORD
- LIS
1 stop16h 40m
British Airways
Deal found 5/2![British Airways logo]()
$653
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:55 pm
LIS
- ORD
1 stop29h 50m
Scandinavian Airlines
Thu 11/267:20 pm
ORD
- LIS
1 stop14h 45m
Scandinavian Airlines
Deal found 4/30![Scandinavian Airlines logo]()
$656
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:15 am
FAO
- ORD
1 stop15h 00m
Multiple Airlines
Sat 5/169:00 pm
ORD
- FAO
1 stop20h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$759
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 5, 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 5, 2026.
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Fri 8/146:00 am
OPO
- ORD
1 stop35h 00m
United Airlines
Sat 8/155:00 pm
ORD
- OPO
1 stop31h 55m
United Airlines
Deal found 5/4![United Airlines logo]()
$847
This Rumbo deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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.
Sun 6/214:40 pm
OPO
- ORD
1 stop23h 00m
Turkish Airlines
Mon 7/68:10 pm
ORD
- OPO
1 stop31h 35m
Turkish Airlines
Deal found 5/4![Turkish Airlines logo]()
$879
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:00 am
OPO
- ORD
1 stop15h 15m
Delta
Fri 6/55:19 pm
ORD
- OPO
2 stops16h 06m
Delta
Deal found 4/30![Delta logo]()
$911
This Lufthansa deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/176:00 am
OPO
- ORD
1 stop14h 55m
Lufthansa
Wed 6/243:10 pm
ORD
- OPO
1 stop14h 10m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$912
This British Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 pm
FAO
- ORD
1 stop25h 55m
British Airways
Mon 9/147:05 pm
ORD
- FAO
1 stop13h 40m
British Airways
Deal found 4/30![British Airways logo]()
$916
This Mytrip deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/166:15 pm
FAO
- ORD
2 stops28h 44m
Multiple Airlines
Tue 6/232:15 pm
ORD
- FAO
2 stops27h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$922
This KLM deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/159:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Mon 6/227:17 pm
ORD
- FAO
2 stops18h 08m
KLM
Deal found 4/30![KLM logo]()
$923
This Virgin Atlantic deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2412:45 pm
LIS
- ORD
2 stops14h 51m
Virgin Atlantic
Sat 5/3011:09 am
ORD
- LIS
2 stops17h 36m
Virgin Atlantic
Deal found 5/1![Virgin Atlantic logo]()
$947
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Fri 5/221:00 pm
LIS
- ORD
2 stops29h 11m
United Airlines
Sun 5/248:45 am
ORD
- LIS
1 stop17h 35m
United Airlines
Deal found 5/3![United Airlines logo]()
$851
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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
1 stop15h 15m
Delta
Fri 6/197:17 pm
ORD
- LIS
2 stops17h 28m
Delta
Deal found 5/3![Delta logo]()
$927
This Lufthansa deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/171:45 pm
FAO
- ORD
1 stop29h 10m
Lufthansa
Wed 6/243:10 pm
ORD
- FAO
1 stop17h 20m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$933
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/116:00 am
OPO
- ORD
1 stop14h 55m
United Airlines
Sun 6/147:10 am
ORD
- OPO
1 stop20h 35m
United Airlines
Deal found 5/2![United Airlines logo]()
$907
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/155:00 am
LIS
- ORD
2 stops17h 29m
Delta
Mon 5/186:07 am
ORD
- LIS
1 stop19h 53m
Delta
Deal found 5/3![Delta logo]()
$930
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/412:10 pm
OPO
- ORD
1 stop13h 45m
United Airlines
Sun 6/78:45 am
ORD
- OPO
1 stop19h 00m
United Airlines
Deal found 5/2![United Airlines logo]()
$908
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:10 pm
OPO
- ORD
1 stop13h 45m
United Airlines
Fri 6/57:10 am
ORD
- OPO
1 stop17h 45m
United Airlines
Deal found 4/30![United Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” 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 6/165:00 am
ORD
- OPO
1 stop19h 15m
United Airlines
Deal found 5/5![United Airlines logo]()
$912
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:25 am
LIS
- ORD
2 stops17h 25m
United Airlines
Thu 6/116:30 am
ORD
- LIS
1 stop22h 00m
United Airlines
Deal found 4/30![United Airlines logo]()
$919
This United Airlines deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 6/198:40 pm
ORD
- LIS
1 stop32h 25m
United Airlines
Deal found 5/3![United Airlines logo]()
$922
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:05 am
LIS
- ORD
1 stop13h 50m
United Airlines
Tue 6/234:37 pm
ORD
- LIS
1 stop12h 28m
United Airlines
Deal found 5/5![United Airlines logo]()
$923
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/213:25 pm
FAO
- ORD
1 stop27h 30m
United Airlines
Mon 5/2512:45 pm
ORD
- FAO
2 stops14h 25m
United Airlines
Deal found 5/4![United Airlines logo]()
$928
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 6/1611:40 am
FAO
- ORD
2 stops17h 46m
United Airlines
Tue 6/231:30 pm
ORD
- FAO
2 stops17h 25m
United Airlines
Deal found 5/2![United Airlines logo]()
$937
Last-minute flights from Portugal to O'Hare IntlDiscover last-minute flight deals from Portugal to O'Hare Intl. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portugal to O'Hare Intl. Data last updated May 5, 2026 and is based on user searches.
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Wed 5/67:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$633
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Thu 5/77:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$640
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/710:15 am
FAO
- ORD
1 stop15h 00m
Multiple Airlines
Sat 5/169:00 pm
ORD
- FAO
1 stop20h 20m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$759
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Fri 5/811:05 am
LIS
- ORD
1 stop13h 10m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$717
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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.
Sat 5/97:10 am
LIS
- ORD
1 stop17h 05m
British Airways
Fri 5/229:15 pm
ORD
- LIS
1 stop14h 45m
British Airways
Deal found 5/3![British Airways logo]()
$624
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/1010:25 am
LIS
- ORD
1 stop16h 13m
United Airlines
Sat 5/233:40 pm
ORD
- LIS
1 stop10h 40m
United Airlines
Deal found 5/3![United Airlines logo]()
$809
This deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/1012:45 pm
LIS
- ORD
1 stop15h 50m
Delta
Sun 5/244:30 pm
ORD
- LIS
1 stop12h 15m
Delta
Deal found 5/3![Delta logo]()
$829
This Mytrip deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/2110:15 am
FAO
- ORD
1 stop15h 00m
Multiple Airlines
Mon 5/259:00 pm
ORD
- FAO
1 stop20h 30m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$785
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 5/2111:25 am
LIS
- ORD
1 stop13h 50m
Aer Lingus
Sat 6/139:00 pm
ORD
- LIS
1 stop18h 35m
Aer Lingus
Deal found 5/1![Aer Lingus logo]()
$800
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Fri 5/297:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Sun 5/317:05 pm
ORD
- LIS
1 stop16h 40m
British Airways
Deal found 5/2![British Airways logo]()
$653
This Gotogate deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:15 pm
LIS
- ORD
1 stop27h 00m
Aer Lingus
Sat 6/139:00 pm
ORD
- LIS
1 stop18h 35m
Aer Lingus
Deal found 5/2![Aer Lingus logo]()
$784
This Trip.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:15 am
LIS
- ORD
2 stops18h 01m
Multiple Airlines
Thu 7/92:15 pm
ORD
- LIS
2 stops34h 15m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$831
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 5, 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 5, 2026.
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 10/187:20 am
LIS
- ORD
1 stop16h 55m
British Airways
Deal found 5/2![British Airways logo]()
$415
This deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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.
Sat 10/177:10 am
LIS
- ORD
1 stop14h 45m
British Airways
Deal found 5/2![British Airways logo]()
$416
This deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:20 am
LIS
- ORD
1 stop14h 35m
British Airways
Deal found 4/30![British Airways logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 10/1710:15 am
FAO
- ORD
3 stops37h 35m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 10/206:35 am
LIS
- ORD
1 stop13h 50m
Finnair
Deal found 5/4![Finnair logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:35 am
LIS
- ORD
1 stop13h 50m
Finnair
Deal found 5/2![Finnair logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 10/276:30 am
LIS
- ORD
1 stop14h 25m
Finnair
Deal found 5/1![Finnair logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 6/32:40 pm
OPO
- ORD
2 stops28h 25m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$432
This deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:10 am
LIS
- ORD
1 stop14h 45m
British Airways
Deal found 4/30![British Airways logo]()
$434
This Kiwi.com deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:35 pm
LIS
- ORD
3 stops26h 15m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” 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 9/107:20 pm
LIS
- ORD
2 stops28h 30m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$448
This Kiwi.com deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” 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 9/249:35 pm
LIS
- ORD
3 stops26h 15m
Multiple Airlines
Deal found 5/2![Multiple Airlines logo]()
$449
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 |
One-way from | $415 |
Popular in | January |
Cheapest in | February |
Average price | $829 |
Good one-way deal | $670 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 5, 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
PortoChicago
OPO - ORD
OPOORD
Porto
Fri 8/14
6:00 am-11:00 am
1 stop35h 00m
Chicago O'Hare Intl
Sat 8/15
5:00 pm-6:55 am
1 stop31h 55m
$847
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Fri 5/22
1:00 pm-12:11 pm
2 stops29h 11m
Chicago O'Hare Intl
Sun 5/24
8:45 am-8:20 am
1 stop17h 35m
$851
PortoChicago
OPO - ORD
OPOORD
Porto
Sun 6/21
4:40 pm-9:40 am
1 stop23h 00m
Chicago O'Hare Intl
Mon 7/6
8:10 pm-9:45 am
1 stop31h 35m
$879
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 6/11
6:00 am-2:55 pm
1 stop14h 55m
Chicago O'Hare Intl
Sun 6/14
7:10 am-9:45 am
1 stop20h 35m
$907
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 6/4
12:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Sun 6/7
8:45 am-9:45 am
1 stop19h 00m
$908
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 5/21
12:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Fri 6/5
7:10 am-6:55 am
1 stop17h 45m
$910
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 5/21
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Fri 6/5
5:19 pm-3:25 pm
2 stops16h 06m
$911
PortoChicago
OPO - ORD
OPOORD
Porto
Wed 6/17
6:00 am-2:55 pm
1 stop14h 55m
Chicago O'Hare Intl
Wed 6/24
3:10 pm-11:20 am
1 stop14h 10m
$912
PortoChicago
OPO - ORD
OPOORD
Porto
Tue 6/9
6:00 am-2:55 pm
1 stop14h 55m
Chicago O'Hare Intl
Tue 6/16
5:00 am-6:15 am
1 stop19h 15m
$912
FaroChicago
FAO - ORD
FAOORD
Faro
Fri 9/11
8:00 pm-3:55 pm
1 stop25h 55m
Chicago O'Hare Intl
Mon 9/14
7:05 pm-2:45 pm
1 stop13h 40m
$916
Showing 1-10 of 48 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 $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 5, 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 26% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 128 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 26% 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 5, 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.
Overall
7.2
Entertainment
6.3
Food
6.2
Comfort
7.1
Boarding
7.0
Crew
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Dec 2025
LIS - EWR
Overall
7.2
Entertainment
6.3
Food
6.2
Comfort
7.1
Boarding
7.0
Crew
7.8
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
Naperville
Lake Geneva
Gurnee
Delavan
Downers Grove
Oakbrook Terrace
Benton Harbor
Hoffman Estates
Des Plaines
Oak Brook
South Holland
Libertyville
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing
Arlington Heights
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 5, 2026.
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Browse other Portugal and O'Hare Intl flight options. Last updated on May 5, 2026.
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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 2,558,603 searches. Data last updated May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$665 | Average$1,209 | FlexibilityNo cancel fee | On-timeN/A |