
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $568 (Kiwi.com) |
One-way from | $353 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,083 |
Good one-way deal | $646 or less |
Fly from
Fly to
Route
Depart
Return
FaroChicago
FAO - ORD
FAOORD
Faro
Wed 9/30
10:25 am-4:10 pm
2 stops35h 45m
Chicago O'Hare Intl
Sun 10/4
7:15 pm-9:40 am
1 stop32h 25m
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/24
9:15 am-1:10 pm
2 stops33h 55m
Chicago O'Hare Intl
Tue 9/8
3:00 pm-12:40 am
3 stops27h 40m
PortoChicago
OPO - ORD
OPOORD
Porto
Wed 8/26
8:10 pm-9:20 pm
2 stops31h 10m
Chicago O'Hare Intl
Sun 8/30
7:25 pm-11:59 pm
3 stops22h 34m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Tue 10/6
9:15 pm-10:04 pm
2 stops30h 49m
Chicago O'Hare Intl
Wed 11/18
7:15 pm-4:05 pm
1 stop14h 50m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Wed 9/2
11:50 pm-10:44 pm
2 stops28h 54m
Chicago O'Hare Intl
Tue 9/8
7:15 pm-11:15 pm
1 stop22h 00m
FaroChicago
FAO - ORD
FAOORD
Faro
Thu 7/16
12:50 pm-4:00 pm
2 stops33h 10m
Chicago O'Hare Intl
Wed 7/22
7:25 pm-8:20 pm
2 stops18h 55m
LisbonChicago
LIS - ORD
LISORD
Lisbon Humberto Delgado
Fri 12/18
6:30 am-5:56 pm
2 stops17h 26m
Chicago O'Hare Intl
Sun 1/10
8:40 pm-9:45 pm
1 stop19h 05m
PortoChicago
OPO - ORD
OPOORD
Porto
Thu 11/12
6:00 am-1:10 pm
1 stop13h 10m
Chicago O'Hare Intl
Mon 11/16
2:00 pm-9:30 am
2 stops13h 30m
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/24
7:50 am-9:25 pm
2 stops19h 35m
Chicago O'Hare Intl
Sun 8/30
7:25 pm-10:00 pm
2 stops20h 35m
PortoChicago
OPO - ORD
OPOORD
Porto
Mon 8/24
12:10 pm-11:00 am
1 stop28h 50m
Chicago O'Hare Intl
Tue 9/8
10:25 am-6:15 am
1 stop13h 50m
Currently, February is the cheapest month in which you can book a flight from Portugal to Chicago O'Hare Intl Airport (average of $473). Flying from Portugal to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $880). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
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 21% of weekly flights between Portugal and Chicago have experienced delays in the past year, with the average delay time being 128 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 21% of flights being delayed.
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Anonymous,Jun 2026
LIS - ORD
Crew
Overall
Comfort
Boarding
Food
Entertainment
Reviews
Anonymous,Jun 2026
LIS - ORD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$748 | Average$1,205 | FlexibilityNo cancel fee | On-timeN/A |