$243+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LIS
Mar 13 — Mar 201
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl to Portugal with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Portugal
Cheapest
Best
Last-minute
One-way
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 February 11, 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 February 11, 2026.
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
- OPO
1 stop33h 45m
Scandinavian Airlines
Fri 4/175:55 pm
OPO
- ORD
1 stop28h 15m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$443
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/47:10 pm
ORD
- OPO
1 stop20h 50m
TAP AIR PORTUGAL
Wed 3/118:55 am
OPO
- ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$473
This AirNGo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Sat 2/284:35 pm
FAO
- ORD
1 stop28h 10m
TAP AIR PORTUGAL
Deal found 2/11![TAP AIR PORTUGAL logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/176:50 pm
ORD
- LIS
1 stop13h 45m
SWISS
Thu 3/53:25 pm
LIS
- ORD
1 stop30h 55m
SWISS
Deal found 2/9![SWISS logo]()
$480
This CrystalTravel deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/109:50 pm
ORD
- LIS
1 stop19h 40m
Lufthansa
Fri 2/276:10 am
LIS
- ORD
1 stop18h 15m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$482
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Tue 2/248:35 pm
ORD
- LIS
1 stop15h 05m
American Airlines
Fri 3/66:30 am
LIS
- ORD
1 stop14h 25m
American Airlines
Deal found 2/9![American Airlines logo]()
$483
This FlightHub deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:15 pm
ORD
- OPO
1 stop33h 45m
Scandinavian Airlines
Sun 4/196:20 pm
OPO
- ORD
1 stop27h 50m
Scandinavian Airlines
Deal found 2/11![Scandinavian Airlines logo]()
$483
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/46:30 pm
ORD
- LIS
2 stops19h 05m
Multiple Airlines
Tue 3/106:25 am
LIS
- ORD
2 stops16h 55m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$484
This FlightHub deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Tue 10/203:40 pm
ORD
- LIS
1 stop11h 40m
Multiple Airlines
Thu 11/55:00 am
LIS
- ORD
1 stop21h 05m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$485
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/126:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$485
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/173:50 pm
ORD
- LIS
1 stop10h 20m
United Airlines
Tue 3/35:00 am
LIS
- ORD
1 stop16h 20m
United Airlines
Deal found 2/9![United Airlines logo]()
$486
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/66:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 5/146:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/10![TAP AIR PORTUGAL logo]()
$486
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 February 11, 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 February 11, 2026.
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/126:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 4/236:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$485
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/243:50 pm
ORD
- LIS
1 stop10h 20m
United Airlines
Wed 3/115:00 am
LIS
- ORD
1 stop16h 20m
United Airlines
Deal found 2/10![United Airlines logo]()
$486
This Finnair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2610:30 pm
ORD
- LIS
1 stop18h 55m
Finnair
Wed 5/66:35 am
LIS
- ORD
1 stop13h 40m
Finnair
Deal found 2/11![Finnair logo]()
$494
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:40 am
ORD
- LIS
1 stop16h 20m
Delta
Tue 3/315:35 am
LIS
- ORD
2 stops18h 56m
Delta
Deal found 2/11![Delta logo]()
$504
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/44:25 pm
ORD
- LIS
1 stop20h 05m
KLM
Thu 3/125:00 am
LIS
- ORD
2 stops16h 43m
KLM
Deal found 2/10![KLM logo]()
$504
This SWISS deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Sat 4/117:05 pm
ORD
- LIS
1 stop22h 20m
SWISS
Fri 4/245:55 am
LIS
- ORD
1 stop16h 00m
SWISS
Deal found 2/9![SWISS logo]()
$518
This Cheapflightsfares deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” 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 3/176:10 pm
ORD
- FNC
1 stop16h 00m
British Airways
Tue 3/316:40 pm
FNC
- ORD
1 stop25h 10m
British Airways
Deal found 2/7![British Airways logo]()
$539
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Fri 4/176:00 pm
ORD
- FAO
2 stops14h 55m
Multiple Airlines
Fri 4/248:00 pm
FAO
- ORD
2 stops26h 15m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$565
This Scandinavian Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/177:15 pm
ORD
- FAO
2 stops32h 20m
Scandinavian Airlines
Fri 4/247:35 pm
FAO
- ORD
2 stops26h 35m
Scandinavian Airlines
Deal found 2/10![Scandinavian Airlines logo]()
$575
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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.
Mon 4/138:39 am
ORD
- OPO
2 stops17h 01m
American Airlines
Sun 4/1912:25 pm
OPO
- ORD
2 stops18h 00m
American Airlines
Deal found 2/11![American Airlines logo]()
$657
This Air Canada deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:40 pm
ORD
- PDL
2 stops29h 40m
Air Canada
Fri 8/289:35 am
PDL
- ORD
2 stops15h 30m
Air Canada
Deal found 2/11![Air Canada logo]()
$827
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/186:15 pm
ORD
- FAO
1 stop17h 05m
TAP AIR PORTUGAL
Sat 4/256:05 am
FAO
- ORD
1 stop16h 10m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$485
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/87:00 am
ORD
- LIS
2 stops20h 20m
United Airlines
Wed 4/155:05 am
LIS
- ORD
2 stops32h 21m
United Airlines
Deal found 2/8![United Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/284:20 pm
ORD
- LIS
1 stop20h 25m
Delta
Wed 5/65:35 am
LIS
- ORD
2 stops18h 06m
Delta
Deal found 2/11![Delta logo]()
$510
This oojo deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/66:00 pm
ORD
- FAO
1 stop10h 25m
TAP AIR PORTUGAL
Thu 5/146:10 pm
FAO
- ORD
1 stop27h 50m
TAP AIR PORTUGAL
Deal found 2/10![TAP AIR PORTUGAL logo]()
$486
This British Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Wed 4/157:05 pm
ORD
- FNC
1 stop35h 00m
British Airways
Wed 4/2212:00 pm
FNC
- ORD
1 stop36h 15m
British Airways
Deal found 2/9![British Airways logo]()
$541
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:50 pm
ORD
- FNC
1 stop34h 50m
KLM
Wed 4/2210:25 am
FNC
- ORD
2 stops19h 34m
KLM
Deal found 2/10![KLM logo]()
$553
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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.
Sun 3/16:20 pm
ORD
- LIS
1 stop9h 55m
United Airlines
Mon 3/305:05 am
LIS
- ORD
1 stop35h 55m
United Airlines
Deal found 2/10![United Airlines logo]()
$507
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/2410:35 am
ORD
- LIS
2 stops15h 25m
Delta
Wed 3/1111:15 am
LIS
- ORD
2 stops14h 02m
Delta
Deal found 2/10![Delta logo]()
$512
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/1510:30 pm
ORD
- FAO
2 stops18h 55m
Multiple Airlines
Mon 4/207:35 pm
FAO
- ORD
3 stops25h 20m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$585
This British Airways deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Wed 4/157:05 pm
ORD
- FNC
1 stop35h 00m
British Airways
Mon 4/207:00 pm
FNC
- ORD
1 stop29h 15m
British Airways
Deal found 2/9![British Airways logo]()
$541
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/117:00 pm
ORD
- LIS
1 stop23h 30m
United Airlines
Wed 3/2511:55 am
LIS
- ORD
1 stop16h 49m
United Airlines
Deal found 2/10![United Airlines logo]()
$511
This KLM deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/134:50 pm
ORD
- FAO
1 stop20h 35m
KLM
Thu 4/238:20 pm
FAO
- ORD
1 stop23h 55m
KLM
Deal found 2/8![KLM logo]()
$583
This British Airways deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
Wed 4/229:15 pm
ORD
- FNC
1 stop32h 50m
British Airways
Thu 4/301:05 pm
FNC
- ORD
1 stop30h 45m
British Airways
Deal found 2/8![British Airways logo]()
$541
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/179:00 am
ORD
- LIS
2 stops18h 10m
United Airlines
Wed 3/2511:55 am
LIS
- ORD
2 stops25h 48m
United Airlines
Deal found 2/9![United Airlines logo]()
$512
This TAP AIR PORTUGAL deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Fri 2/278:15 pm
ORD
- OPO
1 stop13h 40m
TAP AIR PORTUGAL
Tue 3/38:00 pm
OPO
- ORD
1 stop25h 00m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$581
This KLM deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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 4/127:14 pm
ORD
- FAO
2 stops31h 51m
KLM
Thu 4/238:20 pm
FAO
- ORD
1 stop23h 55m
KLM
Deal found 2/8![KLM logo]()
$588
This British Airways deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
Wed 4/227:05 pm
ORD
- FNC
1 stop35h 00m
British Airways
Tue 4/2812:15 pm
FNC
- ORD
1 stop31h 35m
British Airways
Deal found 2/8![British Airways logo]()
$541
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/191:36 pm
ORD
- OPO
2 stops19h 49m
Delta
Sun 5/35:00 am
OPO
- ORD
1 stop15h 15m
Delta
Deal found 2/11![Delta logo]()
$630
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
Sun 3/224:20 pm
ORD
- LIS
1 stop17h 45m
United Airlines
Tue 3/315:05 am
LIS
- ORD
1 stop35h 55m
United Airlines
Deal found 2/8![United Airlines logo]()
$522
Last-minute flights from O'Hare Intl to PortugalDiscover last-minute flight deals from O'Hare Intl to Portugal. Data last updated February 11, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Portugal. Data last updated February 11, 2026 and is based on user searches.
This AirNGo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/158:25 pm
ORD
- FAO
1 stop21h 25m
TAP AIR PORTUGAL
Sat 2/284:35 pm
FAO
- ORD
1 stop28h 10m
TAP AIR PORTUGAL
Deal found 2/11![TAP AIR PORTUGAL logo]()
$479
This KLM deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/167:00 am
ORD
- LIS
1 stop19h 00m
KLM
Tue 3/311:25 am
LIS
- ORD
1 stop32h 55m
KLM
Deal found 2/9![KLM logo]()
$488
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/167:00 am
ORD
- LIS
1 stop19h 00m
KLM
Tue 2/244:50 pm
LIS
- ORD
1 stop27h 30m
KLM
Deal found 2/10![KLM logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/176:50 pm
ORD
- LIS
1 stop13h 45m
SWISS
Thu 3/53:25 pm
LIS
- ORD
1 stop30h 55m
SWISS
Deal found 2/9![SWISS logo]()
$480
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 2/173:50 pm
ORD
- LIS
1 stop10h 20m
United Airlines
Tue 3/35:00 am
LIS
- ORD
1 stop16h 20m
United Airlines
Deal found 2/9![United Airlines logo]()
$486
This American Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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.
Tue 2/248:35 pm
ORD
- LIS
1 stop15h 05m
American Airlines
Fri 3/66:30 am
LIS
- ORD
1 stop14h 25m
American Airlines
Deal found 2/9![American Airlines logo]()
$483
This KLM deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/242:25 pm
ORD
- LIS
1 stop11h 35m
KLM
Wed 3/185:00 am
LIS
- ORD
1 stop15h 20m
KLM
Deal found 2/10![KLM logo]()
$487
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/241:02 pm
ORD
- LIS
2 stops13h 08m
United Airlines
Wed 3/115:00 am
LIS
- ORD
1 stop14h 25m
United Airlines
Deal found 2/10![United Airlines logo]()
$490
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/256:30 pm
ORD
- LIS
1 stop14h 20m
American Airlines
Wed 3/188:20 am
LIS
- ORD
1 stop12h 54m
American Airlines
Deal found 2/10![American Airlines logo]()
$485
This oojo deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/47:10 pm
ORD
- OPO
1 stop20h 50m
TAP AIR PORTUGAL
Wed 3/118:55 am
OPO
- ORD
1 stop12h 05m
TAP AIR PORTUGAL
Deal found 2/9![TAP AIR PORTUGAL logo]()
$473
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 3/46:30 pm
ORD
- LIS
2 stops19h 05m
Multiple Airlines
Tue 3/106:25 am
LIS
- ORD
2 stops16h 55m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/238:20 pm
ORD
- OPO
1 stop32h 15m
Scandinavian Airlines
Sun 4/126:20 pm
OPO
- ORD
1 stop27h 50m
Scandinavian Airlines
Deal found 2/10![Scandinavian Airlines logo]()
$488
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 February 11, 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 February 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/276:31 am
ORD
- LIS
2 stops29h 54m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$243
This Kiwi.com deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” 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 4/196:31 am
ORD
- OPO
2 stops43h 29m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$247
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/266:31 am
ORD
- LIS
2 stops48h 49m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 2/236:40 am
ORD
- LIS
2 stops30h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/97:30 pm
ORD
- LIS
2 stops19h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/26:30 pm
ORD
- LIS
2 stops19h 55m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$281
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/2012:05 pm
ORD
- LIS
3 stops39h 50m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 4/188:58 am
ORD
- OPO
2 stops44h 02m
Multiple Airlines
Deal found 2/11![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 4/47:25 pm
ORD
- FNC
2 stops23h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/16:40 am
ORD
- LIS
2 stops44h 05m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 5/56:31 am
ORD
- LIS
2 stops28h 39m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” 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 3/307:25 pm
ORD
- LIS
2 stops21h 35m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$298
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 February 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $443 (FlightHub) |
One-way from | $243 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $523 |
Good round-trip deal | $458 or less |
Good one-way deal | $357 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 February 11, 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
O'Hare Intl
Fly to
Portugal
Route
Depart
Return
Price
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sun 4/12
6:00 pm-10:25 am
1 stop10h 25m
Faro
Thu 4/23
6:10 pm-4:00 pm
1 stop27h 50m
$485
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Sat 4/18
6:15 pm-5:20 pm
1 stop17h 05m
Faro
Sat 4/25
6:05 am-4:15 pm
1 stop16h 10m
$485
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Tue 2/24
3:50 pm-8:10 am
1 stop10h 20m
Lisbon Humberto Delgado
Wed 3/11
5:00 am-4:20 pm
1 stop16h 20m
$486
ChicagoFaro
ORD - FAO
ORDFAO
Chicago O'Hare Intl
Wed 5/6
6:00 pm-10:25 am
1 stop10h 25m
Faro
Thu 5/14
6:10 pm-4:00 pm
1 stop27h 50m
$486
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sun 4/26
10:30 pm-11:25 pm
1 stop18h 55m
Lisbon Humberto Delgado
Wed 5/6
6:35 am-2:15 pm
1 stop13h 40m
$494
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Wed 4/8
7:00 am-9:20 am
2 stops20h 20m
Lisbon Humberto Delgado
Wed 4/15
5:05 am-7:26 am
2 stops32h 21m
$499
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Mon 3/23
10:40 am-8:00 am
1 stop16h 20m
Lisbon Humberto Delgado
Tue 3/31
5:35 am-6:31 pm
2 stops18h 56m
$504
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Wed 3/4
4:25 pm-6:30 pm
1 stop20h 05m
Lisbon Humberto Delgado
Thu 3/12
5:00 am-4:43 pm
2 stops16h 43m
$504
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Sun 3/1
6:20 pm-10:15 am
1 stop9h 55m
Lisbon Humberto Delgado
Mon 3/30
5:05 am-11:00 am
1 stop35h 55m
$507
ChicagoLisbon
ORD - LIS
ORDLIS
Chicago O'Hare Intl
Tue 4/28
4:20 pm-6:45 pm
1 stop20h 25m
Lisbon Humberto Delgado
Wed 5/6
5:35 am-5:41 pm
2 stops18h 06m
$510
Showing 1-10 of 60 results
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-FAO
ORD-LIS
ORD-FNC
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-FAO
ORD-LIS
ORD-FNC
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 $383). Flying from Chicago O'Hare Intl Airport to Portugal in June is currently the most expensive (average of $685). 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 February 11, 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 40% of weekly flights between Chicago and Portugal have experienced delays in the past year, with the average delay time being 141 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?
Thursday 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 40% of flights being delayed.
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 February 11, 2026.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Air Canada 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
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Food
6.6
Boarding
7.7
Overall
7.4
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
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 February 11, 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 February 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$369 | Average$478 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$371 | Average$549 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$441 | Average$674 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$450 | Average$818 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$470 | Average$605 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$489 | Average$734 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$497 | Average$884 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$501 | Average$739 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$503 | Average$600 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$505 | Average$742 | FlexibilityNo cancel fee | On-time71% |