
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $638 (Gotogate) |
One-way from | $349 (Kiwi.com) |
Popular in | January |
Cheapest in | February |
Average price | $839 |
Good one-way deal | $753 or less |
Fly from
Fly to
Route
Depart
Return
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 4/16
6:00 pm-4:00 pm
1 stop28h 00m
Chicago O'Hare Intl
Sat 5/2
6:05 pm-8:25 pm
1 stop20h 20m
PortoChicago
OPO - ORD
OPOORD
Porto
Fri 4/17
5:00 am-2:15 pm
1 stop15h 15m
Chicago O'Hare Intl
Sun 5/3
1:36 pm-3:25 pm
2 stops19h 49m
PortoChicago
OPO - ORD
OPOORD
Porto
Wed 4/15
5:00 am-4:18 pm
2 stops17h 18m
Chicago O'Hare Intl
Sun 4/19
5:10 pm-3:25 pm
1 stop16h 15m
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 4/16
5:00 am-8:40 pm
2 stops21h 40m
Chicago O'Hare Intl
Sat 5/2
5:04 pm-3:25 pm
2 stops16h 21m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Mon 4/27
5:00 am-2:30 pm
1 stop15h 30m
Chicago O'Hare Intl
Mon 5/4
10:15 am-8:50 am
2 stops16h 35m
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 5/21
5:00 am-8:14 pm
2 stops21h 14m
Chicago O'Hare Intl
Fri 6/5
5:19 pm-6:10 pm
2 stops18h 51m
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 5/7
5:00 am-8:14 pm
2 stops21h 14m
Chicago O'Hare Intl
Sat 5/23
5:19 pm-6:10 pm
2 stops18h 51m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Tue 5/12
6:30 am-2:00 pm
1 stop13h 30m
Chicago O'Hare Intl
Tue 5/19
9:00 pm-8:45 pm
1 stop17h 45m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Wed 4/15
5:00 am-4:18 pm
2 stops17h 18m
Chicago O'Hare Intl
Sun 4/19
5:10 pm-2:55 pm
1 stop15h 45m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Fri 4/17
5:00 am-8:40 pm
2 stops21h 40m
Chicago O'Hare Intl
Mon 5/4
3:30 pm-2:55 pm
2 stops17h 25m
Currently, November is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $517). Flying from Portugal to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $889). 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.
When flying from Portugal to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 26% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 129 minutes.
Historically, flights departing in the early afternoon are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Over the last year, TAP AIR PORTUGAL have had the lowest number of delays on this route, with just 26% of flights being delayed.
Boarding
Entertainment
Comfort
Crew
Overall
Food
Reviews
Anonymous,Feb 2026
EZE - SCL
Boarding
Entertainment
Comfort
Crew
Overall
Food
Reviews
Anonymous,Feb 2026
EZE - SCL
Boarding
Entertainment
Comfort
Crew
Overall
Food
Reviews
Anonymous,Feb 2026
EZE - SCL
Boarding
Entertainment
Comfort
Crew
Overall
Food
Reviews
Anonymous,Feb 2026
EZE - SCL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$653 | Average$740 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$665 | Average$1,209 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$706 | Average$909 | FlexibilityNo cancel fee | On-time69% |