$241+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Aug 16 — Aug 231
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 July 17, 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 July 17, 2026.
This Flightnetwork deal was found by Cheapflights users on 7/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 pm
ORD
- OPO
1 stop14h 55m
TAP AIR PORTUGAL
Fri 8/2110:00 am
OPO
- ORD
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$602
This oojo deal was found by Cheapflights users on 7/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 pm
ORD
- FAO
1 stop17h 20m
TAP AIR PORTUGAL
Wed 10/146:05 am
FAO
- ORD
1 stop15h 55m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$611
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 pm
ORD
- OPO
1 stop14h 55m
TAP AIR PORTUGAL
Sat 8/2210:00 am
OPO
- ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$611
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:05 pm
ORD
- FAO
1 stop10h 20m
TAP AIR PORTUGAL
Sat 10/106:05 am
FAO
- ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$612
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 9/176:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 9/246:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$613
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 pm
ORD
- OPO
1 stop15h 00m
TAP AIR PORTUGAL
Wed 10/75:05 am
OPO
- ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$613
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Wed 8/266:10 pm
FAO
- ORD
1 stop24h 30m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$614
This oojo deal was found by Cheapflights users on 7/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 pm
ORD
- OPO
1 stop15h 00m
TAP AIR PORTUGAL
Thu 10/17:00 am
OPO
- ORD
1 stop11h 40m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$619
This oojo deal was found by Cheapflights users on 7/16. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Sat 10/176:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$620
This Flightnetwork deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
ORD
- FAO
1 stop22h 05m
TAP AIR PORTUGAL
Thu 9/36:05 am
FAO
- ORD
1 stop12h 35m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$624
This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:50 pm
ORD
- OPO
1 stop21h 10m
TAP AIR PORTUGAL
Fri 9/45:05 am
OPO
- ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$632
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 pm
ORD
- OPO
1 stop17h 00m
TAP AIR PORTUGAL
Sun 9/66:00 am
OPO
- ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$633
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 July 17, 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 July 17, 2026.
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:00 pm
ORD
- TER
1 stop13h 50m
TAP AIR PORTUGAL
Fri 9/257:10 am
TER
- ORD
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$643
This Turkish Airlines deal was found by Cheapflights users on 7/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:10 pm
ORD
- OPO
1 stop37h 30m
Turkish Airlines
Thu 10/84:40 pm
OPO
- ORD
1 stop23h 00m
Turkish Airlines
Deal found 7/15![Turkish Airlines logo]()
$752
This Mytrip deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 9/287:25 pm
ORD
- OPO
2 stops19h 55m
Multiple Airlines
Thu 10/810:30 pm
OPO
- ORD
3 stops28h 55m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$770
This KLM deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:20 pm
ORD
- FNC
2 stops32h 55m
KLM
Sun 10/186:40 pm
FNC
- ORD
1 stop25h 50m
KLM
Deal found 7/13![KLM logo]()
$825
This British Airways deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm
ORD
- FAO
1 stop18h 05m
British Airways
Mon 11/21:40 pm
FAO
- ORD
1 stop30h 10m
British Airways
Deal found 7/12![British Airways logo]()
$846
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:00 am
ORD
- LIS
2 stops44h 20m
United Airlines
Sun 10/115:05 am
LIS
- ORD
1 stop13h 50m
United Airlines
Deal found 7/16![United Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 7/14. 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 9/245:10 pm
ORD
- LIS
2 stops18h 40m
Delta
Mon 9/2811:55 am
LIS
- ORD
1 stop32h 20m
Delta
Deal found 7/14![Delta logo]()
$849
This Scandinavian Airlines deal was found by Cheapflights users on 7/16. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 am
ORD
- LIS
2 stops28h 00m
Scandinavian Airlines
Wed 9/2311:50 pm
LIS
- ORD
1 stop22h 20m
Scandinavian Airlines
Deal found 7/16![Scandinavian Airlines logo]()
$865
This SWISS deal was found by Cheapflights users on 7/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:20 pm
ORD
- LIS
1 stop18h 25m
SWISS
Sat 9/125:55 am
LIS
- ORD
1 stop36h 40m
SWISS
Deal found 7/16![SWISS logo]()
$946
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:05 pm
ORD
- OPO
1 stop23h 10m
TAP AIR PORTUGAL
Sat 8/2910:00 am
OPO
- ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$650
This flugladen.de deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 pm
ORD
- TER
1 stop24h 15m
TAP AIR PORTUGAL
Sun 10/187:10 am
TER
- ORD
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$668
This Turkish Airlines deal was found by Cheapflights users on 7/15. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm
ORD
- OPO
1 stop37h 30m
Turkish Airlines
Sat 10/244:40 pm
OPO
- ORD
1 stop24h 20m
Turkish Airlines
Deal found 7/15![Turkish Airlines logo]()
$812
This Delta deal was found by Cheapflights users on 7/15. 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.
Wed 9/235:10 pm
ORD
- LIS
2 stops18h 40m
Delta
Mon 10/125:00 am
LIS
- ORD
2 stops19h 59m
Delta
Deal found 7/15![Delta logo]()
$859
This Scandinavian Airlines deal was found by Cheapflights users on 7/14. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm
ORD
- LIS
1 stop31h 45m
Scandinavian Airlines
Sat 10/2410:55 pm
LIS
- ORD
1 stop24h 50m
Scandinavian Airlines
Deal found 7/14![Scandinavian Airlines logo]()
$877
This Mytrip deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/86:05 pm
ORD
- OPO
2 stops14h 40m
Multiple Airlines
Fri 8/213:40 pm
OPO
- ORD
2 stops30h 25m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$892
This KLM deal was found by Cheapflights users on 7/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/254:20 pm
ORD
- FNC
1 stop20h 20m
KLM
Sat 10/37:30 pm
FNC
- ORD
2 stops26h 44m
KLM
Deal found 7/16![KLM logo]()
$920
This Turkish Airlines deal was found by Cheapflights users on 7/14. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 pm
ORD
- OPO
1 stop37h 30m
Turkish Airlines
Sun 9/2710:45 am
OPO
- ORD
1 stop28h 55m
Turkish Airlines
Deal found 7/14![Turkish Airlines logo]()
$852
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/14. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:05 pm
ORD
- FNC
1 stop31h 45m
TAP AIR PORTUGAL
Sat 9/54:05 am
FNC
- ORD
1 stop18h 00m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$777
This Delta deal was found by Cheapflights users on 7/15. 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 9/291:29 pm
ORD
- LIS
2 stops15h 46m
Delta
Mon 10/55:00 am
LIS
- ORD
2 stops19h 45m
Delta
Deal found 7/15![Delta logo]()
$859
This British Airways deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm
ORD
- FAO
1 stop18h 05m
British Airways
Sun 11/110:00 am
FAO
- ORD
1 stop33h 50m
British Airways
Deal found 7/12![British Airways logo]()
$1,011
This United deal was found by Cheapflights users on 7/16. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:40 am
ORD
- PDL
2 stops19h 00m
Multiple Airlines
Wed 8/59:35 am
PDL
- ORD
1 stop28h 25m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$924
This United Airlines deal was found by Cheapflights users on 7/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ORD
- PDL
2 stops21h 40m
United Airlines
Tue 8/1811:00 am
PDL
- ORD
2 stops17h 59m
United Airlines
Deal found 7/16![United Airlines logo]()
$1,032
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:30 am
ORD
- LIS
2 stops15h 20m
Delta
Wed 10/215:00 am
LIS
- ORD
2 stops19h 59m
Delta
Deal found 7/12![Delta logo]()
$859
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/16. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 pm
ORD
- TER
1 stop24h 15m
TAP AIR PORTUGAL
Sun 9/67:10 am
TER
- ORD
1 stop13h 50m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$816
This British Airways deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:05 pm
ORD
- FAO
1 stop18h 05m
British Airways
Thu 10/292:20 pm
FAO
- ORD
1 stop29h 30m
British Airways
Deal found 7/12![British Airways logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:40 pm
ORD
- PDL
2 stops30h 00m
United Airlines
Mon 8/1711:00 am
PDL
- ORD
2 stops27h 00m
United Airlines
Deal found 7/14![United Airlines logo]()
$1,044
This KLM deal was found by Cheapflights users on 7/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:50 pm
ORD
- FAO
2 stops17h 35m
KLM
Sun 9/279:20 am
FAO
- ORD
2 stops18h 17m
KLM
Deal found 7/16![KLM logo]()
$1,045
This Sembo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:24 pm
ORD
- TER
2 stops35h 31m
Multiple Airlines
Sun 10/187:10 am
TER
- ORD
1 stop13h 50m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$964
This Turkish Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:25 am
ORD
- LIS
1 stop16h 30m
Turkish Airlines
Fri 10/25:55 am
LIS
- ORD
1 stop18h 20m
Turkish Airlines
Deal found 7/12![Turkish Airlines logo]()
$977
This Delta deal was found by Cheapflights users on 7/15. 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 8/305:10 pm
ORD
- OPO
1 stop16h 20m
Delta
Wed 12/95:00 am
OPO
- ORD
2 stops21h 24m
Delta
Deal found 7/15![Delta logo]()
$890
Last-minute flights from O'Hare Intl to PortugalDiscover last-minute flight deals from O'Hare Intl to Portugal. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portugal. Data last updated July 17, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 7/16. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 pm
ORD
- OPO
1 stop14h 55m
TAP AIR PORTUGAL
Fri 8/2110:00 am
OPO
- ORD
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$602
This oojo deal was found by Cheapflights users on 7/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:05 pm
ORD
- OPO
1 stop14h 55m
TAP AIR PORTUGAL
Sat 8/2210:00 am
OPO
- ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 7/14![TAP AIR PORTUGAL logo]()
$611
This Trip.com deal was found by Cheapflights users on 7/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 pm
ORD
- OPO
1 stop17h 00m
TAP AIR PORTUGAL
Tue 8/256:00 pm
OPO
- ORD
1 stop26h 45m
TAP AIR PORTUGAL
Deal found 7/17![TAP AIR PORTUGAL logo]()
$638
This oojo deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:00 pm
ORD
- FAO
1 stop23h 50m
TAP AIR PORTUGAL
Wed 8/266:10 pm
FAO
- ORD
1 stop24h 30m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$614
This Booking.com deal was found by Cheapflights users on 7/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:50 pm
ORD
- OPO
1 stop22h 50m
TAP AIR PORTUGAL
Thu 8/2010:30 pm
OPO
- ORD
1 stop23h 30m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$635
This oojo deal was found by Cheapflights users on 7/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:05 pm
ORD
- OPO
1 stop16h 55m
TAP AIR PORTUGAL
Sun 8/2310:00 am
OPO
- ORD
1 stop12h 00m
TAP AIR PORTUGAL
Deal found 7/17![TAP AIR PORTUGAL logo]()
$619
This Cheapflightsfares deal was found by Cheapflights users on 7/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:50 pm
ORD
- OPO
1 stop21h 10m
TAP AIR PORTUGAL
Fri 9/45:05 am
OPO
- ORD
1 stop16h 55m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$632
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/15. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:50 pm
ORD
- FAO
1 stop15h 30m
TAP AIR PORTUGAL
Thu 8/276:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$647
This Flightnetwork deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
ORD
- FAO
1 stop22h 05m
TAP AIR PORTUGAL
Thu 9/36:05 am
FAO
- ORD
1 stop12h 35m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$624
This lol.travel deal was found by Cheapflights users on 7/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
ORD
- FNC
1 stop23h 45m
TAP AIR PORTUGAL
Thu 9/39:55 pm
FNC
- ORD
1 stop24h 05m
TAP AIR PORTUGAL
Deal found 7/17![TAP AIR PORTUGAL logo]()
$638
This Gotogate deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/277:45 pm
ORD
- OPO
1 stop30h 15m
TAP AIR PORTUGAL
Thu 9/36:00 pm
OPO
- ORD
1 stop28h 00m
TAP AIR PORTUGAL
Deal found 7/13![TAP AIR PORTUGAL logo]()
$639
This Gotogate deal was found by Cheapflights users on 7/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 pm
ORD
- OPO
1 stop17h 00m
TAP AIR PORTUGAL
Sun 9/66:00 am
OPO
- ORD
1 stop16h 00m
TAP AIR PORTUGAL
Deal found 7/16![TAP AIR PORTUGAL logo]()
$633
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 July 17, 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 July 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/257:25 pm
ORD
- OPO
2 stops41h 00m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$241
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Mon 8/2410:25 pm
ORD
- OPO
2 stops31h 25m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 8/2310:25 pm
ORD
- LIS
2 stops36h 45m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Mon 8/3110:25 pm
ORD
- LIS
2 stops34h 45m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$260
This KAYAK deal was found by Cheapflights users on 7/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:16 pm
ORD
- LIS
2 stops14h 54m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:25 pm
ORD
- LIS
3 stops44h 50m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Fri 8/2810:25 pm
ORD
- OPO
2 stops35h 10m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/210:25 pm
ORD
- LIS
2 stops52h 35m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/117:25 pm
ORD
- OPO
3 stops45h 25m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3110:25 pm
ORD
- OPO
2 stops58h 40m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$296
This Mytrip deal was found by Cheapflights users on 7/14. 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.
Thu 10/17:25 pm
ORD
- OPO
2 stops21h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/16. 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.
Sun 10/47:25 pm
ORD
- LIS
3 stops40h 15m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$300
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 July 17, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $602 (Flightnetwork) |
One-way from | $241 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,032 |
Good round-trip deal | $710 or less |
Good one-way deal | $563 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 July 17, 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
Quickest round-trip
ChicagoLajes
ORD - TER
ORDTER
Chicago O'Hare Intl
Fri 9/18
6:00 pm-12:50 pm
1 stop13h 50m
Lajes
Fri 9/25
7:10 am-4:00 pm
1 stop13h 50m
$643
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Sat 8/22
6:05 pm-11:15 pm
1 stop23h 10m
Porto
Sat 8/29
10:00 am-4:05 pm
1 stop12h 05m
$650
ChicagoLajes
ORD - TER
ORDTER
Chicago O'Hare Intl
Wed 10/14
6:00 pm-11:15 pm
1 stop24h 15m
Lajes
Sun 10/18
7:10 am-4:00 pm
1 stop13h 50m
$668
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Mon 9/28
8:10 pm-3:40 pm
1 stop37h 30m
Porto
Thu 10/8
4:40 pm-9:40 am
1 stop23h 00m
$752
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Mon 9/28
7:25 pm-9:20 pm
2 stops19h 55m
Porto
Thu 10/8
10:30 pm-9:25 pm
3 stops28h 55m
$770
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Sat 8/29
6:05 pm-7:50 am
1 stop31h 45m
Funchal Madeira
Sat 9/5
4:05 am-4:05 pm
1 stop18h 00m
$777
ChicagoPorto
ORD - OPO
ORDOPO
Chicago O'Hare Intl
Tue 10/13
8:10 pm-3:40 pm
1 stop37h 30m
Porto
Sat 10/24
4:40 pm-11:00 am
1 stop24h 20m
$812
ChicagoLajes
ORD - TER
ORDTER
Chicago O'Hare Intl
Sun 8/30
6:00 pm-11:15 pm
1 stop24h 15m
Lajes
Sun 9/6
7:10 am-4:00 pm
1 stop13h 50m
$816
ChicagoFunchal
ORD - FNC
ORDFNC
Chicago O'Hare Intl
Tue 10/13
6:20 pm-9:15 am
2 stops32h 55m
Funchal Madeira
Sun 10/18
6:40 pm-2:30 pm
1 stop25h 50m
$825
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Tue 10/13
7:05 pm-7:10 pm
1 stop18h 05m
Faro
Mon 11/2
1:40 pm-1:50 pm
1 stop30h 10m
$846
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-LIS
ORD-FNC
ORD-FAO
ORD-PDL
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-LIS
ORD-FNC
ORD-FAO
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Portugal?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Portugal (average of $567). Flying from Chicago O'Hare Intl Airport to Portugal in July is currently the most expensive (average of $1,108). 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 July 17, 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 35% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 130 minutes.
What is the most punctual flight time for Chicago to Portugal flights?
Historically, flights departing at night 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?
Friday 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 35% 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 14 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 July 17, 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.
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
Food
6.6
Entertainment
7.1
Crew
8.1
Overall
7.4
Comfort
7.3
Boarding
7.7
Reviews
1 / 20
8.0
ExcellentRuth,Dec 2024
ORD - AMS
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.
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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 July 17, 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 July 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$334 | Average$583 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$369 | Average$551 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$371 | Average$473 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$451 | Average$843 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$625 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$474 | Average$723 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$489 | Average$1,061 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$489 | Average$719 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$492 | Average$639 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$494 | Average$726 | FlexibilityNo cancel fee | On-timeN/A |