$239+ Cheap flights from O'Hare Intl (ORD) to Portugal
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Jun 18 — Jun 251
Round-trip
1 adult, Economy
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Cheapest flights from O'Hare Intl to PortugalExplore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.
Explore the most affordable flight options available from O'Hare Intl to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 19, 2026.
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Mon 11/27:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Mon 11/1611:55 am
OPO
- ORD
1 stop34h 50m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$638
This Scandinavian Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/127:15 pm
ORD
- OPO
1 stop33h 55m
Scandinavian Airlines
Sat 11/2112:00 pm
OPO
- ORD
1 stop34h 45m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$661
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Sat 11/147:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Sat 11/2112:00 pm
OPO
- ORD
1 stop34h 45m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$668
This Justfly.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Mon 11/27:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Sun 11/155:35 pm
OPO
- ORD
1 stop29h 10m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$678
This Trip.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Tue 10/207:15 pm
ORD
- OPO
1 stop33h 45m
Scandinavian Airlines
Mon 11/911:55 am
OPO
- ORD
1 stop34h 50m
Scandinavian Airlines
Deal found 5/14![Scandinavian Airlines logo]()
$682
This Scandinavian Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Sat 11/1412:00 pm
OPO
- ORD
1 stop34h 45m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$691
This Scandinavian Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/127:15 pm
ORD
- OPO
1 stop33h 55m
Scandinavian Airlines
Sun 11/225:35 pm
OPO
- ORD
1 stop29h 10m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$701
This Gotogate deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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.
Sun 12/137:15 pm
ORD
- FNC
1 stop36h 55m
Scandinavian Airlines
Tue 12/223:00 pm
FNC
- ORD
1 stop31h 55m
Scandinavian Airlines
Deal found 5/17![Scandinavian Airlines logo]()
$704
This KAYAK deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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.
Sun 11/17:15 pm
ORD
- FNC
1 stop36h 55m
Scandinavian Airlines
Tue 11/103:55 pm
FNC
- ORD
2 stops30h 50m
Scandinavian Airlines
Deal found 5/16![Scandinavian Airlines logo]()
$707
This FlightHub deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Sat 11/147:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Sun 11/225:35 pm
OPO
- ORD
1 stop29h 10m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$708
This Gotogate deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 11/47:00 pm
ORD
- OPO
1 stop12h 30m
TAP AIR PORTUGAL
Wed 11/118:30 am
OPO
- ORD
1 stop13h 00m
TAP AIR PORTUGAL
Deal found 5/17![TAP AIR PORTUGAL logo]()
$709
This KAYAK deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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.
Thu 11/57:15 pm
ORD
- FNC
2 stops37h 30m
Scandinavian Airlines
Tue 11/103:55 pm
FNC
- ORD
2 stops54h 50m
Scandinavian Airlines
Deal found 5/16![Scandinavian Airlines logo]()
$714
Best flights from O'Hare Intl to PortugalDiscover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
Discover carefully curated flight deals from O'Hare Intl to Portugal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 19, 2026.
This Scandinavian Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:15 pm
ORD
- OPO
1 stop33h 50m
Scandinavian Airlines
Fri 11/135:45 pm
OPO
- ORD
1 stop29h 00m
Scandinavian Airlines
Deal found 5/18![Scandinavian Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 11/41:12 pm
ORD
- OPO
2 stops14h 18m
United Airlines
Wed 11/116:00 am
OPO
- ORD
2 stops18h 33m
United Airlines
Deal found 5/17![United Airlines logo]()
$774
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Sun 11/11:15 pm
ORD
- OPO
2 stops13h 50m
KLM
Sat 11/74:10 pm
OPO
- ORD
1 stop28h 15m
KLM
Deal found 5/18![KLM logo]()
$816
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:30 am
ORD
- OPO
2 stops18h 10m
Delta
Mon 11/95:00 am
OPO
- ORD
2 stops22h 33m
Delta
Deal found 5/14![Delta logo]()
$831
This Justfly.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/216:00 pm
ORD
- FNC
1 stop13h 15m
TAP AIR PORTUGAL
Sun 8/304:05 am
FNC
- ORD
1 stop17h 55m
TAP AIR PORTUGAL
Deal found 5/14![TAP AIR PORTUGAL logo]()
$857
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/307:25 am
ORD
- TER
3 stops20h 40m
Multiple Airlines
Tue 7/77:25 am
TER
- ORD
3 stops36h 30m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$929
This British Airways deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/217:05 pm
ORD
- LIS
1 stop22h 05m
British Airways
Sat 10/34:25 pm
LIS
- ORD
1 stop29h 30m
British Airways
Deal found 5/15![British Airways logo]()
$1,011
This SWISS deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/67:05 pm
ORD
- FAO
2 stops16h 35m
SWISS
Tue 7/216:25 pm
FAO
- ORD
2 stops24h 10m
SWISS
Deal found 5/17![SWISS logo]()
$1,050
This Delta deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 10/225:45 pm
ORD
- OPO
2 stops15h 45m
Delta
Mon 11/95:00 am
OPO
- ORD
2 stops22h 33m
Delta
Deal found 5/14![Delta logo]()
$881
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/68:40 am
ORD
- FAO
1 stop18h 40m
United Airlines
Tue 7/2111:40 am
FAO
- ORD
1 stop12h 54m
United Airlines
Deal found 5/17![United Airlines logo]()
$964
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 9/215:20 pm
ORD
- FAO
2 stops18h 05m
KLM
Mon 9/289:45 pm
FAO
- ORD
1 stop22h 30m
KLM
Deal found 5/18![KLM logo]()
$977
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 9/205:45 pm
ORD
- OPO
2 stops15h 45m
Delta
Thu 10/15:00 am
OPO
- ORD
1 stop15h 15m
Delta
Deal found 5/15![Delta logo]()
$900
This Mytrip deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 9/107:25 pm
ORD
- FAO
3 stops22h 25m
Multiple Airlines
Mon 9/146:10 pm
FAO
- ORD
3 stops32h 02m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$991
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/103:39 pm
ORD
- FNC
2 stops20h 56m
TAP AIR PORTUGAL
Tue 6/169:55 pm
FNC
- ORD
1 stop24h 05m
TAP AIR PORTUGAL
Deal found 5/18![TAP AIR PORTUGAL logo]()
$1,043
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/61:30 pm
ORD
- LIS
1 stop15h 00m
United Airlines
Thu 7/166:15 am
LIS
- ORD
1 stop18h 00m
United Airlines
Deal found 5/18![United Airlines logo]()
$968
This SWISS deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/56:05 pm
ORD
- LIS
2 stops15h 30m
SWISS
Wed 11/116:40 pm
LIS
- ORD
2 stops23h 30m
SWISS
Deal found 5/18![SWISS logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:10 pm
ORD
- OPO
2 stops15h 15m
Delta
Wed 10/75:00 am
OPO
- ORD
2 stops19h 40m
Delta
Deal found 5/18![Delta logo]()
$910
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:05 am
ORD
- FAO
2 stops27h 15m
Multiple Airlines
Thu 9/176:10 pm
FAO
- ORD
3 stops28h 48m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$1,008
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/66:12 pm
ORD
- LIS
1 stop10h 18m
United Airlines
Wed 7/155:05 am
LIS
- ORD
1 stop13h 50m
United Airlines
Deal found 5/18![United Airlines logo]()
$969
This KLM deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 10/54:50 pm
ORD
- FNC
1 stop34h 45m
KLM
Thu 10/1510:05 am
FNC
- ORD
1 stop34h 10m
KLM
Deal found 5/18![KLM logo]()
$1,069
This Priceline deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:55 pm
ORD
- FNC
2 stops22h 40m
TAP AIR PORTUGAL
Sun 8/305:50 am
FNC
- ORD
1 stop16h 10m
TAP AIR PORTUGAL
Deal found 5/14![TAP AIR PORTUGAL logo]()
$1,082
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/78:03 am
ORD
- OPO
2 stops20h 27m
Delta
Mon 7/1311:25 am
OPO
- ORD
1 stop32h 50m
Delta
Deal found 5/17![Delta logo]()
$964
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 11/76:30 pm
ORD
- FAO
3 stops33h 50m
Multiple Airlines
Sat 11/284:30 pm
FAO
- ORD
3 stops30h 50m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,070
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 9/129:35 pm
ORD
- OPO
1 stop27h 20m
United Airlines
Sun 9/2712:15 pm
OPO
- ORD
1 stop32h 37m
United Airlines
Deal found 5/17![United Airlines logo]()
$990
This FlightHub deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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.
Fri 9/410:56 am
ORD
- FNC
2 stops32h 34m
TAP AIR PORTUGAL
Fri 9/119:25 am
FNC
- ORD
1 stop12h 35m
TAP AIR PORTUGAL
Deal found 5/14![TAP AIR PORTUGAL logo]()
$1,176
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/711:20 am
ORD
- OPO
2 stops17h 10m
Delta
Tue 7/149:25 am
OPO
- ORD
2 stops18h 27m
Delta
Deal found 5/17![Delta logo]()
$981
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 8/226:05 pm
ORD
- FNC
1 stop11h 35m
Multiple Airlines
Mon 8/313:00 pm
FNC
- ORD
2 stops29h 25m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$1,141
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/318:45 am
ORD
- LIS
1 stop18h 35m
United Airlines
Tue 8/411:25 am
LIS
- ORD
1 stop14h 40m
United Airlines
Deal found 5/17![United Airlines logo]()
$1,041
This KLM deal was found by Cheapflights users on 5/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/294:50 pm
ORD
- FNC
1 stop34h 45m
KLM
Sun 7/56:35 pm
FNC
- ORD
1 stop25h 55m
KLM
Deal found 5/19![KLM logo]()
$1,289
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 7/213:19 pm
ORD
- LIS
2 stops17h 36m
Delta
Tue 7/285:00 am
LIS
- ORD
2 stops20h 30m
Delta
Deal found 5/15![Delta logo]()
$982
Last-minute flights from O'Hare Intl to PortugalDiscover last-minute flight deals from O'Hare Intl to Portugal. Data last updated May 19, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portugal. Data last updated May 19, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 5/303:50 pm
ORD
- LIS
2 stops32h 40m
Multiple Airlines
Wed 6/38:15 am
LIS
- ORD
2 stops35h 10m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$857
This Mytrip deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 5/3110:43 am
ORD
- LIS
2 stops13h 47m
Multiple Airlines
Thu 6/48:15 am
LIS
- ORD
2 stops18h 01m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$873
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/22:15 pm
ORD
- LIS
2 stops22h 00m
Multiple Airlines
Wed 6/105:40 pm
LIS
- ORD
1 stop21h 20m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$880
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/34:37 pm
ORD
- OPO
2 stops22h 43m
Multiple Airlines
Wed 6/102:05 pm
OPO
- ORD
2 stops29h 00m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$825
This Mytrip deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 6/39:55 am
ORD
- LIS
2 stops25h 55m
Multiple Airlines
Wed 6/109:10 pm
LIS
- ORD
3 stops30h 55m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$868
This Mytrip deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/42:00 pm
ORD
- LIS
2 stops34h 30m
Multiple Airlines
Mon 6/811:35 am
LIS
- ORD
1 stop16h 30m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$864
This Mytrip deal was found by Cheapflights users on 5/19. 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 6/108:50 am
ORD
- LIS
1 stop18h 45m
Multiple Airlines
Wed 6/178:15 am
LIS
- ORD
2 stops18h 01m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$877
This Mytrip deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/118:52 am
ORD
- LIS
2 stops18h 43m
Multiple Airlines
Mon 6/158:15 am
LIS
- ORD
2 stops30h 45m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$863
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/158:20 pm
ORD
- LIS
2 stops28h 10m
Multiple Airlines
Tue 6/2311:35 am
LIS
- ORD
1 stop16h 30m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$865
This Mytrip deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/162:00 pm
ORD
- LIS
2 stops34h 30m
Multiple Airlines
Sun 6/218:15 am
LIS
- ORD
2 stops34h 55m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$875
This Mytrip deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/167:25 am
ORD
- OPO
2 stops17h 20m
Multiple Airlines
Tue 6/238:25 am
OPO
- ORD
2 stops34h 45m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$875
This Mytrip deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/172:15 pm
ORD
- LIS
1 stop11h 05m
Multiple Airlines
Tue 6/238:15 am
LIS
- ORD
2 stops35h 07m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$879
One-way flights from O'Hare Intl to PortugalSearch for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
Search for one-way flight options from O'Hare Intl to Portugal. Find affordable one-way fares based on user searches. Data last updated May 19, 2026.
This KAYAK deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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.
Sat 10/1711:40 am
ORD
- LIS
2 stops16h 35m
Aer Lingus
Deal found 5/16![Aer Lingus logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 10/206:05 am
ORD
- OPO
3 stops33h 30m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$333
This Cheapflightsfares deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:05 pm
ORD
- LIS
1 stop13h 25m
British Airways
Deal found 5/17![British Airways logo]()
$349
This Mytrip deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 10/209:40 pm
ORD
- OPO
1 stop19h 45m
Lufthansa
Deal found 5/18![Lufthansa logo]()
$351
This American Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:55 pm
ORD
- LIS
1 stop14h 15m
American Airlines
Deal found 5/17![American Airlines logo]()
$353
This British Airways deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 10/199:15 pm
ORD
- LIS
1 stop30h 50m
British Airways
Deal found 5/17![British Airways logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 10/139:00 pm
ORD
- LIS
1 stop18h 35m
Aer Lingus
Deal found 5/16![Aer Lingus logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 9/277:25 pm
ORD
- FAO
2 stops21h 50m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 5/14. Clicking the “Pick Dates” 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 10/47:25 pm
ORD
- LIS
2 stops19h 40m
Multiple Airlines
Deal found 5/14![Multiple Airlines logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 10/57:25 pm
ORD
- LIS
2 stops21h 35m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$359
This Justfly.com deal was found by Cheapflights users on 5/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:45 am
ORD
- OPO
1 stop16h 15m
Air Canada
Deal found 5/19![Air Canada logo]()
$359
This Trip.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Tue 7/2810:25 pm
ORD
- LIS
2 stops14h 25m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$360
Find flight deals from O'Hare Intl to Portugal
Keep the following information in mind while searching for O'Hare Intl to Portugal flight deals. Data was last updated May 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $707 (KAYAK) |
One-way from | $239 (KAYAK) |
Popular in | June |
Cheapest in | February |
Average price | $989 |
Good round-trip deal | $855 or less |
Good one-way deal | $513 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Portugal 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 19, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Portugal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Sat 10/31
8:15 pm-11:05 am
1 stop33h 50m
Porto
Fri 11/13
5:45 pm-4:45 pm
1 stop29h 00m
$731
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 11/4
1:12 pm-9:30 am
2 stops14h 18m
Porto
Wed 11/11
6:00 am-6:33 pm
2 stops18h 33m
$774
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Sun 11/1
1:15 pm-9:05 am
2 stops13h 50m
Porto
Sat 11/7
4:10 pm-2:25 pm
1 stop28h 15m
$816
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 10/21
10:30 am-10:40 am
2 stops18h 10m
Porto
Mon 11/9
5:00 am-9:33 pm
2 stops22h 33m
$831
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Fri 8/21
6:00 pm-1:15 pm
1 stop13h 15m
Funchal Madeira
Sun 8/30
4:05 am-4:00 pm
1 stop17h 55m
$857
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Thu 10/22
5:45 pm-3:30 pm
2 stops15h 45m
Porto
Mon 11/9
5:00 am-9:33 pm
2 stops22h 33m
$881
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Sun 9/20
5:45 pm-3:30 pm
2 stops15h 45m
Porto
Thu 10/1
5:00 am-2:15 pm
1 stop15h 15m
$900
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Wed 9/23
6:10 pm-3:25 pm
2 stops15h 15m
Porto
Wed 10/7
5:00 am-6:40 pm
2 stops19h 40m
$910
ChicagoLajes
ORD - TER
ORDTER
Chicago O'Hare Intl
Tue 6/30
7:25 am-9:05 am
3 stops20h 40m
Lajes
Tue 7/7
7:25 am-2:55 pm
3 stops36h 30m
$929
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Mon 7/6
8:40 am-9:20 am
1 stop18h 40m
Faro
Tue 7/21
11:40 am-6:34 pm
1 stop12h 54m
$964
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from O'Hare Intl to Portugal
Have a flexible travel schedule? Discover the best time to fly to Portugal from O'Hare Intl with our price prediction graph.
ORD-OPO
ORD-FNC
ORD-TER
ORD-LIS
ORD-FAO
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 Chicago O'Hare Intl Airport to Portugal
ORD-PT0
ORD-OPO
ORD-FNC
ORD-TER
ORD-LIS
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portugal?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $369). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $676). 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 ORD to PT?
Find hourly flight availability from O'Hare Intl to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 19, 2026.
When flying from Chicago O'Hare Intl Airport to Portugal, 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 Chicago to Portugal delayed?
About 38% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 135 minutes.
What is the most punctual flight time for Chicago to Portugal flights?
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Wednesday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Portugal flights?
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 38% of flights being delayed.
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Portugal?
The best time to book flights from Chicago O'Hare Intl Airport to Portugal is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Reviews of airlines servicing Portugal
Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 19, 2026.
Get a feel of what it's like to fly with United Airlines,Aer Lingus, andTAP AIR PORTUGAL from Chicago O'Hare Intl Airport to Portugal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Comfort
7.3
Entertainment
7.1
Overall
7.4
Boarding
7.7
Crew
8.1
Food
6.6
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for O'Hare Intl to Portugal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Portugal by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from O'Hare Intl to Portugal by cabin class
Find flights from O'Hare Intl to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
O'Hare Intl and Portugal flights
Browse other O'Hare Intl and Portugal flight options. Last updated on May 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
O'Hare Intl to Portugal flights
Consider these flights traveling from O'Hare Intl to Portugal.
Fly to Portugal regions
Consider these flights traveling to Portugal regions.
Top 10 airlines flying from O'Hare Intl to Portugal
Discover the top 10 airlines that operate flights from O'Hare Intl to Portugal. 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$485 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$371 | Average$536 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$450 | Average$825 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$483 | Average$700 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$711 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$496 | Average$742 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$497 | Average$873 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$497 | Average$862 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$503 | Average$741 | FlexibilityNo cancel fee | On-time72% |