Find Cheap Flights from Ontario to North America

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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Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Ontario to North America

(Round-trip)
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
Major Airline
Major Airline
ONT
ORD
1h 23m
1 stop
ORD
ONT
5h 23m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 3 2017 Trip spans 2 days
United
United
ONT
ORD
6h 03m
1 stop
ORD
ONT
7h 01m
1 stop
Depart: Tue May 16 2017 Return: Sat May 20 2017 Trip spans 5 days
Delta
Delta
ONT
SLC
1h 48m
nonstop
SLC
ONT
1h 48m
nonstop
Depart: Thu Apr 27 2017 Return: Sat Apr 29 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
SEA
7h 31m
1 stop
SEA
ONT
6h 45m
1 stop
Depart: Sat May 20 2017 Return: Sun May 28 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ONT
PDX
2h 18m
nonstop
PDX
ONT
2h 23m
nonstop
Depart: Sat May 20 2017 Return: Sat Jun 3 2017 Trip spans 15 days
Aeromexico
Aeromexico
ONT
GDL
3h 01m
nonstop
GDL
ONT
3h 14m
nonstop
Depart: Fri Sep 8 2017 Return: Sun Sep 17 2017 Trip spans 10 days
Volaris
Volaris
ONT
GDL
3h 11m
nonstop
GDL
ONT
3h 10m
nonstop
Depart: Wed May 10 2017 Return: Tue May 16 2017 Trip spans 7 days
Major Airline
Major Airline
ONT
SEA
4h 17m
1 stop
SEA
ONT
6h 10m
1 stop
Depart: Sat Aug 26 2017 Return: Wed Aug 30 2017 Trip spans 5 days
Delta
Delta
ONT
SLC
1h 42m
nonstop
SLC
ONT
1h 44m
nonstop
Depart: Thu Jun 15 2017 Return: Sat Jun 17 2017 Trip spans 3 days
Air Canada
Air Canada
ONT
YVR
8h 00m
1 stop
YVR
ONT
7h 00m
1 stop
Depart: Tue May 30 2017 Return: Tue Jun 6 2017 Trip spans 8 days
United
United
ONT
DEN
2h 20m
nonstop
DEN
ONT
2h 24m
nonstop
Depart: Sat Sep 2 2017 Return: Wed Sep 6 2017 Trip spans 5 days
Delta
Delta
ONT
SLC
1h 51m
nonstop
SLC
ONT
1h 48m
nonstop
Depart: Sat Jun 3 2017 Return: Tue Jun 6 2017 Trip spans 4 days
Alaska Airlines
Alaska Airlines
ONT
PDX
2h 18m
nonstop
PDX
ONT
2h 20m
nonstop
Depart: Sat Oct 7 2017 Return: Tue Oct 10 2017 Trip spans 4 days
American Airlines
American Airlines
ONT
DFW
3h 04m
nonstop
DFW
ONT
3h 01m
nonstop
Depart: Sat Sep 9 2017 Return: Wed Sep 13 2017 Trip spans 5 days
American Airlines
American Airlines
ONT
DFW
3h 04m
nonstop
DFW
ONT
6h 36m
1 stop
Depart: Thu May 18 2017 Return: Mon May 22 2017 Trip spans 5 days
Delta
Delta
ONT
SLC
1h 48m
nonstop
SLC
ONT
1h 51m
nonstop
Depart: Sat Oct 14 2017 Return: Sat Oct 21 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
DFW
3h 04m
nonstop
DFW
ONT
5h 24m
1 stop
Depart: Sat Jul 15 2017 Return: Tue Jul 18 2017 Trip spans 4 days
Major Airline
Major Airline
ONT
SEA
11h 35m
1 stop
SEA
ONT
3h 45m
1 stop
Depart: Sat Jul 15 2017 Return: Sun Jul 23 2017 Trip spans 9 days
Alaska Airlines
Alaska Airlines
ONT
PDX
2h 18m
nonstop
PDX
ONT
2h 15m
nonstop
Depart: Fri Aug 25 2017 Return: Thu Sep 7 2017 Trip spans 14 days
Aeromexico
Aeromexico
ONT
GDL
3h 13m
nonstop
GDL
ONT
3h 18m
nonstop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

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.

We compile tonnes of data for you
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.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Ontario
$92
Destination

Vancouver
$311
Portland
$167
Seattle
$144
Chicago
$92
Guadalajara
$238
Denver
$159
Salt Lake City
$149
Dallas
$171