ONT

$112 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 4/28. 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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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

Mon, Apr 27 - Wed, Apr 29
United Airlines Logo
5:30 am - 12:20 pm
BOS
-
ONT
9h 50m
1 stop
United Airlines Logo
6:49 pm - 6:21 am
ONT
-
BOS
8h 32m
1 stop
$287United Airlines
Wed, May 6 - Sat, May 9
Southwest Logo
5:35 am - 11:35 am
BOS
-
ONT
9h 00m
2 stops
Southwest Logo
1:20 pm - 11:50 pm
ONT
-
BOS
7h 30m
1 stop
$292Southwest
Thu, Apr 30 - Thu, May 7
Southwest Logo
7:10 am - 1:15 pm
BOS
-
ONT
9h 05m
1 stop
Southwest Logo
11:55 pm - 10:55 am
ONT
-
BOS
8h 00m
1 stop
$297Southwest
Sun, May 10 - Sat, May 16
Southwest Logo
9:00 am - 3:10 pm
ALB
-
ONT
9h 10m
1 stop
Southwest Logo
9:55 pm - 8:05 am
ONT
-
ALB
7h 10m
1 stop
$297Southwest
Mon, Apr 27 - Wed, Apr 29
American Airlines Logo
4:24 pm - 9:59 pm
BOS
-
ONT
8h 35m
1 stop
American Airlines Logo
12:19 pm - 12:24 am
ONT
-
BOS
9h 05m
1 stop
$303American Airlines
Tue, May 5 - Wed, May 6
Alaska Airlines Logo
7:00 am - 2:32 pm
BOS
-
ONT
10h 32m
1 stop
Alaska Airlines Logo
10:39 am - 11:59 pm
ONT
-
BOS
10h 20m
1 stop
$309Alaska Airlines
Wed, May 27 - Sat, Jun 13
American Airlines Logo
6:14 am - 12:05 pm
BOS
-
ONT
8h 51m
1 stop
American Airlines Logo
10:00 pm - 9:22 am
ONT
-
BOS
8h 22m
1 stop
$313American Airlines
Wed, Apr 29 - Sat, May 2
Delta Logo
1:10 pm - 9:00 pm
ALB
-
ONT
10h 50m
1 stop
Delta Logo
12:49 pm - 11:59 pm
ONT
-
ALB
8h 10m
1 stop
$317Delta
Tue, Apr 28 - Wed, Apr 29
Multiple Airlines Logo
8:00 am - 6:49 pm
BDL
-
ONT
13h 49m
1 stop
Multiple Airlines Logo
11:44 am - 2:49 pm
ONT
-
BDL
24h 05m
2 stops
$322Multiple Airlines
Thu, Apr 30 - Tue, May 5
Delta Logo
6:00 am - 11:36 am
ALB
-
ONT
8h 36m
1 stop
Delta Logo
12:49 pm - 11:59 pm
ONT
-
ALB
8h 10m
1 stop
$338Delta
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$112
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from Boston 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)