Find Cheap Flights from Boston Logan International to Ontario (BOS - ONT)

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.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

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

Book cheap flights from Boston Logan International to Ontario

(Round-trip)
Depart: Wed Nov 1 2017 Return: Sat Nov 4 2017 Trip spans 4 days
American Airlines
American Airlines
BOS
2:25a
ONT
10:08p
19h 43m
1 stop
ONT
8:59p
BOS
5:30a
9h 31m
2 stops
Depart: Wed Sep 6 2017 Return: Wed Oct 11 2017 Trip spans 36 days
United
United
BOS
2:30p
ONT
10:58p
8h 28m
1 stop
ONT
2:00a
BOS
10:05a
8h 05m
1 stop
Depart: Mon Sep 11 2017 Return: Tue Oct 17 2017 Trip spans 37 days
Alaska Airlines
Alaska Airlines
BOS
5:00a
ONT
6:45p
13h 45m
1 stop
ONT
1:10p
BOS
12:50a
11h 40m
1 stop
Depart: Mon Sep 18 2017 Return: Tue Oct 17 2017 Trip spans 30 days
Delta
Delta
BOS
1:45p
ONT
9:44p
7h 59m
1 stop
ONT
2:00a
BOS
9:25a
7h 25m
1 stop
Depart: Wed Sep 13 2017 Return: Wed Sep 20 2017 Trip spans 8 days
American Airlines
American Airlines
BOS
1:00a
ONT
12:47p
11h 47m
1 stop
ONT
10:15a
BOS
6:03p
7h 48m
1 stop
Depart: Sat Sep 9 2017 Return: Wed Oct 11 2017 Trip spans 33 days
United
United
BOS
2:30p
ONT
10:58p
8h 28m
1 stop
ONT
2:00a
BOS
10:05a
8h 05m
1 stop
Depart: Tue Sep 26 2017 Return: Tue Oct 3 2017 Trip spans 8 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
10:15a
BOS
6:03p
7h 48m
1 stop
Depart: Sat Oct 21 2017 Return: Sat Oct 28 2017 Trip spans 8 days
United
United
BOS
2:30p
ONT
10:58p
8h 28m
1 stop
ONT
8:40a
BOS
5:30p
8h 50m
1 stop
Depart: Wed Sep 27 2017 Return: Wed Oct 4 2017 Trip spans 8 days
American Airlines
American Airlines
BOS
10:36a
ONT
10:08p
11h 32m
1 stop
ONT
10:15a
BOS
6:03p
7h 48m
1 stop
Depart: Sat Sep 16 2017 Return: Tue Oct 17 2017 Trip spans 32 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
3:30p
BOS
10:38p
7h 08m
1 stop
Depart: Mon Sep 25 2017 Return: Sat Sep 30 2017 Trip spans 6 days
Alaska Airlines
Alaska Airlines
BOS
5:00a
ONT
6:45p
13h 45m
1 stop
ONT
7:50a
BOS
4:55p
9h 05m
1 stop
Depart: Sat Jun 17 2017 Return: Mon Jul 3 2017 Trip spans 17 days
United
United
BOS
4:20a
ONT
3:19p
10h 59m
1 stop
ONT
9:25a
BOS
4:54p
7h 29m
1 stop
Depart: Mon Jun 19 2017 Return: Mon Jul 3 2017 Trip spans 15 days
United
United
BOS
2:30p
ONT
11:09p
8h 39m
1 stop
ONT
9:25a
BOS
4:54p
7h 29m
1 stop
Depart: Thu Sep 14 2017 Return: Tue Oct 17 2017 Trip spans 34 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
3:30p
BOS
10:38p
7h 08m
1 stop
Depart: Tue Jun 20 2017 Return: Mon Jul 3 2017 Trip spans 14 days
United
United
BOS
2:30p
ONT
11:09p
8h 39m
1 stop
ONT
9:25a
BOS
4:54p
7h 29m
1 stop
Depart: Tue Oct 17 2017 Return: Mon Oct 23 2017 Trip spans 7 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
3:30p
BOS
10:38p
7h 08m
1 stop
Depart: Wed Jun 21 2017 Return: Mon Jul 3 2017 Trip spans 13 days
United
United
BOS
2:30p
ONT
11:09p
8h 39m
1 stop
ONT
9:25a
BOS
4:54p
7h 29m
1 stop
Depart: Wed Oct 4 2017 Return: Sat Oct 14 2017 Trip spans 11 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
3:30p
BOS
10:38p
7h 08m
1 stop
Depart: Sun Jul 2 2017 Return: Mon Jul 17 2017 Trip spans 16 days
United
United
BOS
4:00a
ONT
3:20p
11h 20m
1 stop
ONT
5:40p
BOS
1:57a
8h 17m
1 stop
Depart: Tue Sep 19 2017 Return: Tue Oct 17 2017 Trip spans 29 days
American Airlines
American Airlines
BOS
1:00a
ONT
8:57a
7h 57m
1 stop
ONT
3:30p
BOS
10:38p
7h 08m
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

Boston
$335
Destination

Ontario
$335