Find Cheap Flights from Chicago to Porto (CHI - OPO)

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 Porto

(Round-trip)
Depart: Fri Oct 13 2017 Return: Mon Oct 23 2017 Trip spans 11 days
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 55m
1 stop
OPO
ORD
32h 00m
1 stop
Depart: Tue Jul 25 2017 Return: Mon Jul 31 2017 Trip spans 7 days
$1355
Select
Multiple Airlines
Multiple Airlines
ORD
OPO
17h 40m
1 stop
OPO
ORD
24h 10m
1 stop
Depart: Sat Aug 19 2017 Return: Wed Sep 6 2017 Trip spans 19 days
$1027
Select
Turkish Airlines
Turkish Airlines
ORD
OPO
34h 55m
1 stop
OPO
ORD
35h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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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

Chicago
$730
Destination

Porto
$730