ONT

$175 Find Cheap Flights from Massachusetts to Ontario - Compare and Save

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1 adult, Economy, 0 bags

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Cheap Flights from Massachusetts to Ontario

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Massachusetts to Ontario

Tue, Jan 26 - Tue, Feb 2
Alaska Airlines Logo
7:00 am - 3:33 pmBOS  Boston Logan Intl-ONT Ontario
11h 33m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:29 pm - 5:40 amONT  Ontario-BOS Boston Logan Intl
10h 11m1 stop Seattle/Tacoma Intl
$362Alaska Airlines
Mon, Dec 7 - Mon, Dec 14
United Airlines Logo
7:30 am - 12:34 pmBOS  Boston Logan Intl-ONT Ontario
8h 04m1 stop Denver Intl
United Airlines Logo
6:40 pm - 7:57 amONT  Ontario-BOS Boston Logan Intl
10h 17m1 stop San Francisco
$372United Airlines
Sat, Dec 12 - Sat, Dec 19
American Airlines Logo
3:31 pm - 10:58 pmBOS  Boston Logan Intl-ONT Ontario
10h 27m1 stop Dallas/Fort Worth
American Airlines Logo
7:36 pm - 5:25 amONT  Ontario-BOS Boston Logan Intl
6h 49m1 stop Phoenix Sky Harbor Intl
$377American Airlines
Tue, Dec 8 - Tue, Dec 15
American Airlines Logo
6:50 am - 1:24 pmBOS  Boston Logan Intl-ONT Ontario
9h 34m1 stop Dallas/Fort Worth
American Airlines Logo
6:00 am - 5:06 pmONT  Ontario-BOS Boston Logan Intl
8h 06m1 stop Dallas/Fort Worth
$377American Airlines
Mon, Feb 1 - Tue, Feb 2
Delta Logo
6:00 pm - 11:57 pmBOS  Boston Logan Intl-ONT Ontario
8h 57m1 stop Salt Lake City
Delta Logo
6:00 am - 4:34 pmONT  Ontario-BOS Boston Logan Intl
7h 34m1 stop Salt Lake City
$377Delta
Wed, Jan 27 - Sat, Jan 30
Delta Logo
6:10 am - 12:12 pmBOS  Boston Logan Intl-ONT Ontario
9h 02m1 stop Salt Lake City
Delta Logo
7:05 am - 6:58 pmONT  Ontario-BOS Boston Logan Intl
8h 53m1 stop Atlanta Hartsfield-Jackson
$377Delta
Wed, Dec 9 - Sat, Dec 12
Alaska Airlines Logo
9:00 am - 4:05 pmBOS  Boston Logan Intl-ONT Ontario
10h 05m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 11:59 pmONT  Ontario-BOS Boston Logan Intl
14h 59m1 stop Seattle/Tacoma Intl
$377Alaska Airlines
Mon, Dec 7 - Mon, Dec 14
United Airlines Logo
7:30 am - 12:34 pmBOS  Boston Logan Intl-ONT Ontario
8h 04m1 stop Denver Intl
United Airlines Logo
6:00 am - 7:40 pmONT  Ontario-BOS Boston Logan Intl
10h 40m2 stops San Francisco Chicago O'Hare Intl
$382United Airlines
Sun, Jan 17 - Mon, Jan 25
Southwest Logo
5:45 am - 1:25 pmBOS  Boston Logan Intl-ONT Ontario
10h 40m2 stops Baltimore/Washington Phoenix Sky Harbor Intl
Southwest Logo
6:55 pm - 8:30 amONT  Ontario-BOS Boston Logan Intl
10h 35m2 stops Phoenix Sky Harbor Intl Baltimore/Washington
$407Southwest
Wed, Dec 16 - Wed, Jan 6
Southwest Logo
12:50 pm - 6:15 pmBOS  Boston Logan Intl-ONT Ontario
8h 25m1 stop Chicago Midway
Southwest Logo
11:15 am - 11:50 pmONT  Ontario-BOS Boston Logan Intl
9h 35m1 stop Denver Intl
$415Southwest
Useful Info

Good to know

Low season

January

Cheapest flight

$175
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 1% increase in price.
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.

More options for your flight to Ontario