Find Deals on 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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Book cheap flights from Ontario to North America

(Round-trip)
Depart: Fri Mar 24 2017 Return: Mon Apr 3 2017 Trip spans 11 days
Major Airline
Major Airline
ONT
SFO
5h 45m
nonstop
SFO
ONT
9h 41m
nonstop
Depart: Wed Apr 12 2017 Return: Tue Apr 18 2017 Trip spans 7 days
Alaska Airlines
Alaska Airlines
ONT
PDX
2h 20m
nonstop
PDX
ONT
2h 13m
nonstop
Depart: Sat Mar 18 2017 Return: Sat Mar 25 2017 Trip spans 8 days
American Airlines
American Airlines
ONT
PHX
1h 14m
nonstop
PHX
ONT
1h 15m
nonstop
Depart: Wed Mar 29 2017 Return: Tue Apr 4 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Tue Mar 14 2017 Return: Mon Mar 20 2017 Trip spans 7 days
Delta
Delta
ONT
SLC
1h 50m
nonstop
SLC
ONT
1h 47m
nonstop
Depart: Thu May 11 2017 Return: Sun May 21 2017 Trip spans 11 days
Aeromexico
Aeromexico
ONT
GDL
3h 01m
nonstop
GDL
ONT
3h 14m
nonstop
Depart: Wed Apr 19 2017 Return: Tue Apr 25 2017 Trip spans 7 days
Major Airline
Major Airline
ONT
PDX
2h 20m
nonstop
PDX
ONT
2h 13m
nonstop
Depart: Sat Apr 1 2017 Return: Wed Apr 5 2017 Trip spans 5 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Wed Mar 29 2017 Return: Mon Apr 3 2017 Trip spans 6 days
Volaris
Volaris
ONT
GDL
3h 00m
nonstop
GDL
ONT
3h 26m
nonstop
Depart: Wed May 3 2017 Return: Tue May 16 2017 Trip spans 14 days
Major Airline
Major Airline
ONT
PDX
2h 20m
nonstop
PDX
ONT
2h 15m
nonstop
Depart: Wed May 3 2017 Return: Tue May 9 2017 Trip spans 7 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Fri May 5 2017 Return: Tue May 9 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
PDX
2h 20m
nonstop
PDX
ONT
2h 15m
nonstop
Depart: Wed Mar 15 2017 Return: Wed Mar 22 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
SEA
2h 38m
nonstop
SEA
ONT
2h 27m
nonstop
Depart: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Alaska Airlines
Alaska Airlines
ONT
SEA
2h 43m
nonstop
SEA
ONT
2h 27m
nonstop
Depart: Thu Mar 16 2017 Return: Tue Mar 21 2017 Trip spans 6 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Fri Apr 14 2017 Return: Tue Apr 18 2017 Trip spans 5 days
Major Airline
Major Airline
ONT
SFO
5h 39m
nonstop
SFO
ONT
10h 23m
nonstop
Depart: Wed Mar 15 2017 Return: Fri Mar 17 2017 Trip spans 3 days
American Airlines
American Airlines
ONT
PHX
1h 21m
nonstop
PHX
ONT
1h 12m
nonstop
Depart: Tue May 9 2017 Return: Tue May 16 2017 Trip spans 8 days
Alaska Airlines
Alaska Airlines
ONT
SEA
2h 38m
nonstop
SEA
ONT
2h 30m
nonstop
Depart: Wed Mar 22 2017 Return: Thu Mar 23 2017 Trip spans 2 days
United
United
ONT
SFO
1h 30m
nonstop
SFO
ONT
1h 26m
nonstop
Depart: Tue Feb 28 2017 Return: Sat Mar 4 2017 Trip spans 5 days
Air Canada
Air Canada
ONT
YVR
7h 50m
1 stop
YVR
ONT
6h 53m
1 stop
* 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
$107
Destination

San Francisco
$107
Vancouver
$344
Portland
$109
Seattle
$137
Phoenix
$117
Guadalajara
$213
Salt Lake City
$187