Find Deals on Flights from Chicago to Portugal

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Book cheap flights from Chicago to Portugal

(Round-trip)
Depart: Mon Mar 6 2017 Return: Sun Mar 19 2017 Trip spans 13 days
Major Airline
Major Airline
ORD
LIS
21h 05m
2 stops
LIS
ORD
35h 44m
2 stops
Depart: Wed Jan 11 2017 Return: Fri Jan 27 2017 Trip spans 17 days
British Airways
British Airways
ORD
LIS
15h 35m
1 stop
LIS
ORD
30h 44m
2 stops
Depart: Wed May 31 2017 Return: Wed Jun 14 2017 Trip spans 15 days
Finnair
Finnair
ORD
LIS
25h 00m
1 stop
LIS
ORD
13h 05m
1 stop
Depart: Wed May 31 2017 Return: Tue Jun 13 2017 Trip spans 14 days
Delta
Delta
MDW
LIS
18h 55m
2 stops
LIS
MDW
17h 03m
2 stops
Depart: Wed May 24 2017 Return: Tue Jun 13 2017 Trip spans 21 days
KLM
KLM
MDW
LIS
20h 10m
2 stops
LIS
MDW
17h 03m
2 stops
Depart: Sun Mar 19 2017 Return: Wed Mar 29 2017 Trip spans 11 days
SWISS
SWISS
ORD
OPO
13h 10m
1 stop
OPO
ORD
14h 40m
1 stop
Depart: Tue Dec 27 2016 Return: Sat Jan 14 2017 Trip spans 19 days
United
United
ORD
LIS
11h 55m
1 stop
LIS
ORD
35h 10m
1 stop
Depart: Sat Dec 31 2016 Return: Tue Jan 10 2017 Trip spans 11 days
Iberia
Iberia
ORD
OPO
17h 45m
1 stop
OPO
ORD
29h 40m
2 stops
Depart: Wed Feb 1 2017 Return: Sun Feb 12 2017 Trip spans 12 days
Major Airline
Major Airline
ORD
LIS
21h 05m
2 stops
LIS
ORD
21h 32m
2 stops
Depart: Sat Mar 4 2017 Return: Sun Mar 12 2017 Trip spans 9 days
British Airways
British Airways
ORD
LIS
19h 10m
2 stops
LIS
ORD
31h 05m
1 stop
Depart: Mon Feb 13 2017 Return: Fri Feb 24 2017 Trip spans 12 days
Major Airline
Major Airline
ORD
LIS
20h 25m
2 stops
LIS
ORD
19h 00m
2 stops
Depart: Wed Mar 29 2017 Return: Sun Apr 9 2017 Trip spans 12 days
Major Airline
Major Airline
ORD
LIS
16h 35m
2 stops
LIS
ORD
16h 20m
2 stops
Depart: Tue Feb 28 2017 Return: Sun Mar 12 2017 Trip spans 13 days
Major Airline
Major Airline
ORD
LIS
31h 00m
2 stops
LIS
ORD
38h 20m
2 stops
Depart: Sun Dec 11 2016 Return: Sat Dec 17 2016 Trip spans 7 days
British Airways
British Airways
ORD
LIS
15h 20m
1 stop
LIS
ORD
31h 15m
1 stop
Depart: Tue Mar 14 2017 Return: Sun Mar 19 2017 Trip spans 6 days
Major Airline
Major Airline
ORD
LIS
19h 45m
2 stops
LIS
ORD
27h 45m
2 stops
Depart: Tue Jun 6 2017 Return: Thu Jun 15 2017 Trip spans 10 days
Delta
Delta
MDW
LIS
15h 35m
2 stops
LIS
MDW
19h 08m
2 stops
Depart: Tue Jun 13 2017 Return: Mon Jun 26 2017 Trip spans 14 days
KLM
KLM
MDW
LIS
16h 15m
2 stops
LIS
MDW
21h 12m
2 stops
Depart: Sat Feb 18 2017 Return: Sat Feb 25 2017 Trip spans 8 days
SWISS
SWISS
ORD
OPO
18h 20m
1 stop
OPO
ORD
13h 25m
1 stop
Depart: Tue Jan 3 2017 Return: Wed Jan 11 2017 Trip spans 9 days
KLM
KLM
ORD
OPO
16h 39m
2 stops
OPO
ORD
33h 02m
2 stops
Depart: Tue Mar 21 2017 Return: Thu Mar 30 2017 Trip spans 10 days
Delta
Delta
MDW
LIS
17h 30m
2 stops
LIS
MDW
16h 13m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

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^ The fares displayed in KAYAK ads found on other sites include all taxes and fees for economy class travel and were found by KAYAK users in the last 72 hours. Seats are limited and may not be available on all flights and days. Fares are subject to change and may not be available on all flights or dates of travel. Some carriers charge additional fees for extra checked bags. Please check the carriers' sites.
Airports
Origin

Chicago
only $460
only $720
Destination

Porto
$786
Lisbon
$460