Find Cheap Flights from Chicago to Portugal

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
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Book cheap flights from Chicago to Portugal

(Round-trip)
Depart: Mon Sep 11 2017 Return: Wed Sep 20 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
ORD
LIS
19h 20m
1 stop
LIS
ORD
21h 35m
1 stop
Depart: Mon May 29 2017 Return: Fri Jun 2 2017 Trip spans 5 days
British Airways
British Airways
ORD
LIS
21h 10m
1 stop
LIS
ORD
32h 02m
1 stop
Depart: Wed Sep 20 2017 Return: Tue Oct 3 2017 Trip spans 14 days
Turkish Airlines
Turkish Airlines
ORD
OPO
31h 40m
1 stop
OPO
ORD
35h 20m
1 stop
Depart: Sun Oct 22 2017 Return: Mon Oct 30 2017 Trip spans 9 days
$1260
Select
KLM
KLM
MDW
LIS
18h 20m
2 stops
LIS
MDW
18h 08m
2 stops
Depart: Wed Sep 27 2017 Return: Tue Oct 10 2017 Trip spans 14 days
$1291
Select
Delta
Delta
MDW
LIS
21h 10m
2 stops
LIS
MDW
14h 12m
2 stops
Depart: Sun Oct 1 2017 Return: Mon Oct 9 2017 Trip spans 9 days
Aer Lingus
Aer Lingus
ORD
LIS
12h 45m
1 stop
LIS
ORD
21h 35m
1 stop
Depart: Fri May 26 2017 Return: Sun May 28 2017 Trip spans 3 days
$1538
Select
Lufthansa
Lufthansa
ORD
OPO
18h 35m
1 stop
OPO
ORD
30h 40m
1 stop
Depart: Sun Aug 13 2017 Return: Sun Aug 20 2017 Trip spans 8 days
British Airways
British Airways
ORD
LIS
12h 45m
1 stop
LIS
ORD
24h 35m
1 stop
Depart: Wed Aug 16 2017 Return: Wed Aug 23 2017 Trip spans 8 days
Turkish Airlines
Turkish Airlines
ORD
OPO
31h 40m
1 stop
OPO
ORD
35h 20m
1 stop
Depart: Tue Aug 29 2017 Return: Thu Sep 7 2017 Trip spans 10 days
Aer Lingus
Aer Lingus
ORD
FAO
18h 00m
1 stop
FAO
ORD
13h 25m
1 stop
Depart: Thu May 18 2017 Return: Tue May 30 2017 Trip spans 13 days
British Airways
British Airways
ORD
LIS
20h 20m
2 stops
LIS
ORD
32h 04m
1 stop
Depart: Wed May 3 2017 Return: Sat May 27 2017 Trip spans 25 days
Turkish Airlines
Turkish Airlines
ORD
OPO
31h 40m
1 stop
OPO
ORD
32h 00m
1 stop
Depart: Mon Jun 26 2017 Return: Wed Jul 12 2017 Trip spans 17 days
Aer Lingus
Aer Lingus
ORD
LIS
19h 20m
1 stop
LIS
ORD
21h 35m
1 stop
Depart: Fri Jul 28 2017 Return: Mon Aug 7 2017 Trip spans 11 days
$1029
Select
British Airways
British Airways
ORD
LIS
29h 31m
1 stop
LIS
ORD
25h 22m
2 stops
Depart: Tue Jul 25 2017 Return: Mon Aug 7 2017 Trip spans 14 days
Aer Lingus
Aer Lingus
ORD
LIS
19h 20m
1 stop
LIS
ORD
21h 35m
1 stop
Depart: Tue Aug 15 2017 Return: Tue Aug 22 2017 Trip spans 8 days
$1292
Select
Delta
Delta
MDW
LIS
18h 15m
2 stops
LIS
MDW
16h 48m
2 stops
Depart: Sun Oct 1 2017 Return: Thu Oct 12 2017 Trip spans 12 days
$1292
Select
KLM
KLM
MDW
LIS
18h 20m
2 stops
LIS
MDW
16h 53m
2 stops
Depart: Wed Aug 16 2017 Return: Thu Aug 24 2017 Trip spans 9 days
Aer Lingus
Aer Lingus
ORD
FAO
12h 20m
1 stop
FAO
ORD
33h 05m
1 stop
Depart: Sun Apr 30 2017 Return: Mon May 15 2017 Trip spans 16 days
$1169
Select
Turkish Airlines
Turkish Airlines
ORD
LIS
30h 50m
1 stop
LIS
ORD
36h 05m
1 stop
Depart: Mon Aug 21 2017 Return: Tue Aug 29 2017 Trip spans 9 days
$1292
Select
Delta
Delta
MDW
LIS
19h 15m
2 stops
LIS
MDW
16h 48m
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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Airports
Origin

Chicago
only $697
only $1260
Destination

Porto
$805
Lisbon
$697
Faro
$856