ONT

$105 Find Cheap Flights from Massachusetts to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$254
Overall average: $416
United Airlines
Tue 3/3Thu 3/5
BOS - ONT • 1 stop
Cheapest one-way
$112
Typical prices: $168-$308
Frontier
Wed 3/4
BDL - ONT • 2 stops
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Massachusetts to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Massachusetts to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Massachusetts to Ontario

Tue, Mar 3 - Thu, Mar 5
United Airlines Logo
6:00 am - 12:38 pm
BOS
-
ONT
9h 38m
1 stop
United Airlines Logo
6:37 pm - 7:58 am
ONT
-
BOS
10h 21m
1 stop
$254United Airlines
Mon, Feb 23 - Tue, Mar 3
American Airlines Logo
4:37 pm - 10:07 pm
BOS
-
ONT
8h 30m
1 stop
American Airlines Logo
6:15 am - 4:30 pm
ONT
-
BOS
7h 15m
1 stop
$257American Airlines
Tue, Feb 24 - Wed, Mar 11
Alaska Airlines Logo
7:00 am - 3:08 pm
BOS
-
ONT
11h 08m
1 stop
Alaska Airlines Logo
12:02 pm - 11:59 pm
ONT
-
BOS
8h 57m
1 stop
$259Alaska Airlines
Thu, Feb 26 - Mon, Mar 2
American Airlines Logo
12:26 pm - 9:24 pm
BOS
-
ONT
11h 58m
1 stop
American Airlines Logo
11:58 pm - 12:29 pm
ONT
-
BOS
9h 31m
2 stops
$264American Airlines
Thu, Mar 5 - Mon, Mar 9
Alaska Airlines Logo
4:36 pm - 11:52 pm
BOS
-
ONT
10h 16m
1 stop
Alaska Airlines Logo
12:02 pm - 11:59 pm
ONT
-
BOS
8h 57m
1 stop
$278Alaska Airlines
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
2:27 pm - 11:59 pm
BDL
-
ONT
36h 32m
2 stops
Multiple Airlines Logo
6:43 pm - 7:59 pm
ONT
-
BDL
22h 16m
1 stop
$326Multiple Airlines
Mon, Feb 23 - Tue, Mar 3
Southwest Logo
4:55 pm - 10:20 pm
ALB
-
ONT
8h 25m
1 stop
Southwest Logo
6:50 am - 4:15 pm
ONT
-
ALB
6h 25m
1 stop
$346Southwest
Mon, Feb 23 - Tue, Mar 3
Southwest Logo
4:55 pm - 10:20 pm
ALB
-
ONT
8h 25m
1 stop
Southwest Logo
5:45 pm - 8:10 am
ONT
-
ALB
11h 25m
2 stops
$351Southwest
Sat, Feb 21 - Mon, Feb 23
Multiple Airlines Logo
7:20 am - 7:59 am
BDL
-
ONT
27h 39m
2 stops
Multiple Airlines Logo
6:43 pm - 7:59 pm
ONT
-
BDL
22h 16m
1 stop
$359Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Delta Logo
6:00 am - 11:47 am
BDL
-
ONT
8h 47m
1 stop
Delta Logo
12:49 pm - 11:59 pm
ONT
-
BDL
8h 10m
1 stop
$399Delta
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$112
Best time to beat the crowds with an average 7% drop in price.
Flight from Hartford to Ontario

FAQs for booking flights from Massachusetts to Ontario

  • How does KAYAK find such low prices on flights from Massachusetts to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Massachusetts to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Massachusetts is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Massachusetts to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Massachusetts with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)