Find Cheap Flights from Portugal to Chicago O'Hare International

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 Portugal to Chicago O'Hare International

(Round-trip)
Depart: Sat May 20 2017 Return: Sun May 21 2017 Trip spans 2 days
American Airlines
American Airlines
LIS
3:15a
ORD
10:00p
18h 45m
1 stop
ORD
3:04a
LIS
11:15p
20h 11m
1 stop
Depart: Sun Sep 10 2017 Return: Sun Oct 1 2017 Trip spans 22 days
Aer Lingus
Aer Lingus
LIS
6:20p
ORD
3:55p
21h 35m
1 stop
ORD
11:50a
LIS
12:35a
12h 45m
1 stop
Depart: Tue Sep 12 2017 Return: Thu Sep 28 2017 Trip spans 17 days
Turkish Airlines
Turkish Airlines
LIS
7:30a
ORD
7:35p
36h 05m
1 stop
ORD
5:40p
LIS
4:50a
35h 10m
1 stop
Depart: Mon Sep 11 2017 Return: Mon Oct 2 2017 Trip spans 22 days
British Airways
British Airways
LIS
6:20p
ORD
8:15p
25h 55m
1 stop
ORD
4:40p
LIS
8:05a
15h 25m
1 stop
Depart: Sun Jun 11 2017 Return: Wed Jun 14 2017 Trip spans 4 days
Finnair
Finnair
LIS
3:45a
ORD
4:00p
12h 15m
1 stop
ORD
5:05a
LIS
1:10p
32h 05m
1 stop
Depart: Sat Jun 24 2017 Return: Wed Jul 5 2017 Trip spans 12 days
Major Airline
Major Airline
LIS
11:20p
ORD
1:00p
13h 40m
1 stop
ORD
7:43a
LIS
7:15p
11h 32m
1 stop
Depart: Wed Sep 13 2017 Return: Thu Sep 28 2017 Trip spans 16 days
Turkish Airlines
Turkish Airlines
LIS
7:30a
ORD
7:35p
36h 05m
1 stop
ORD
5:40p
LIS
4:50a
35h 10m
1 stop
Depart: Thu Sep 7 2017 Return: Thu Sep 28 2017 Trip spans 22 days
Aer Lingus
Aer Lingus
LIS
7:15a
ORD
8:15p
13h 00m
1 stop
ORD
4:20p
LIS
11:40a
19h 20m
1 stop
Depart: Fri Sep 8 2017 Return: Mon Oct 2 2017 Trip spans 25 days
British Airways
British Airways
LIS
6:20p
ORD
8:15p
25h 55m
1 stop
ORD
6:30p
LIS
1:10p
18h 40m
1 stop
Depart: Thu Jun 8 2017 Return: Tue Jun 20 2017 Trip spans 13 days
British Airways
British Airways
LIS
3:25a
ORD
5:00p
13h 35m
1 stop
ORD
1:10p
LIS
12:55p
23h 45m
1 stop
Depart: Thu Jul 13 2017 Return: Sun Aug 20 2017 Trip spans 39 days
Turkish Airlines
Turkish Airlines
LIS
7:30a
ORD
7:35p
36h 05m
1 stop
ORD
5:40p
LIS
4:50a
35h 10m
1 stop
Depart: Sat Aug 5 2017 Return: Wed Aug 30 2017 Trip spans 26 days
Finnair
Finnair
LIS
3:45a
ORD
4:10p
12h 25m
1 stop
ORD
3:30p
LIS
1:10p
21h 40m
1 stop
Depart: Wed Jul 5 2017 Return: Sun Aug 20 2017 Trip spans 47 days
Aer Lingus
Aer Lingus
LIS
6:20p
ORD
3:55p
21h 35m
1 stop
ORD
4:20p
LIS
11:40a
19h 20m
1 stop
Depart: Sat Sep 9 2017 Return: Tue Oct 3 2017 Trip spans 25 days
British Airways
British Airways
LIS
2:50p
ORD
12:25p
21h 35m
1 stop
ORD
5:10a
LIS
12:15a
19h 05m
1 stop
Depart: Sun Aug 6 2017 Return: Wed Aug 30 2017 Trip spans 25 days
Finnair
Finnair
LIS
3:45a
ORD
4:10p
12h 25m
1 stop
ORD
8:00a
LIS
1:10p
29h 10m
2 stops
Depart: Tue Jul 11 2017 Return: Fri Aug 25 2017 Trip spans 46 days
British Airways
British Airways
LIS
2:50p
ORD
5:00p
26h 10m
1 stop
ORD
3:30p
LIS
1:10p
21h 40m
1 stop
Depart: Mon Jul 10 2017 Return: Sun Aug 20 2017 Trip spans 42 days
Aer Lingus
Aer Lingus
LIS
6:20p
ORD
3:55p
21h 35m
1 stop
ORD
11:50a
LIS
12:35a
12h 45m
1 stop
Depart: Wed Jul 12 2017 Return: Fri Aug 25 2017 Trip spans 45 days
British Airways
British Airways
LIS
3:25a
ORD
5:00p
13h 35m
1 stop
ORD
3:30p
LIS
1:10p
21h 40m
1 stop
Depart: Sun Apr 30 2017 Return: Mon May 1 2017 Trip spans 2 days
$1040
Select
Turkish Airlines
Turkish Airlines
LIS
7:30a
ORD
7:35p
36h 05m
1 stop
ORD
5:40p
LIS
4:50a
35h 10m
1 stop
Depart: Fri Jul 14 2017 Return: Fri Aug 25 2017 Trip spans 43 days
British Airways
British Airways
LIS
2:50p
ORD
12:20p
21h 30m
1 stop
ORD
1:15p
LIS
1:10p
23h 55m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

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Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

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

Lisbon
$618
Destination

Chicago
$618