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.

$126 CHEAP FLIGHTS from Massachusetts to Ontario

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Flight Deals

Cheap Flights from Massachusetts to Ontario

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from Massachusetts to Ontario

Tue, Nov 3 - Sat, Nov 7

10:00 am - 6:10 pmBOS Boston Logan Intl-ONT Ontario

11h 10m1 stop Phoenix Sky Harbor Intl

6:00 am - 7:33 pmONT Ontario-BOS Boston Logan Intl

10h 33m1 stop Dallas/Fort Worth

$251American Airlines

Tue, Nov 10 - Tue, Nov 17

5:00 am - 10:10 amBOS Boston Logan Intl-ONT Ontario

8h 10m1 stop Denver Intl

6:50 am - 4:50 pmONT Ontario-BOS Boston Logan Intl

7h 00m1 stop Denver Intl

$251Southwest

Tue, Oct 27 - Sat, Oct 31

9:03 am - 6:00 pmBOS Boston Logan Intl-ONT Ontario

11h 57m1 stop Seattle/Tacoma Intl

11:13 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

9h 46m1 stop Seattle/Tacoma Intl

$251Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

9:03 am - 6:00 pmBOS Boston Logan Intl-ONT Ontario

11h 57m1 stop Seattle/Tacoma Intl

11:13 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

9h 46m1 stop Seattle/Tacoma Intl

$251Alaska Airlines

Wed, Nov 11 - Sat, Nov 14

5:00 am - 10:10 amBOS Boston Logan Intl-ONT Ontario

8h 10m1 stop Denver Intl

6:10 am - 6:40 pmONT Ontario-BOS Boston Logan Intl

9h 30m1 stop Austin Bergstrom

$251Southwest

Sat, Oct 10 - Tue, Oct 20

5:21 pm - 10:59 pmBDL Hartford Bradley Intl-ONT Ontario

8h 38m1 stop Charlotte Douglas

11:59 pm - 12:02 pmONT Ontario-BDL Hartford Bradley Intl

9h 03m1 stop Dallas/Fort Worth

$267American Airlines

Thu, Oct 29 - Mon, Nov 2

7:15 am - 12:30 pmBOS Boston Logan Intl-ONT Ontario

8h 15m1 stop Denver Intl

9:25 am - 9:24 pmONT Ontario-BOS Boston Logan Intl

8h 59m1 stop San Francisco

$285United Airlines

Sat, Jan 16 - Wed, Jan 20

4:25 pm - 10:48 pmBOS Boston Logan Intl-ONT Ontario

9h 23m1 stop Salt Lake City

6:00 am - 4:42 pmONT Ontario-BOS Boston Logan Intl

7h 42m1 stop Salt Lake City

$296Delta

Sat, Jan 16 - Sat, Jan 23

4:25 pm - 10:48 pmBOS Boston Logan Intl-ONT Ontario

9h 23m1 stop Salt Lake City

6:00 am - 4:42 pmONT Ontario-BOS Boston Logan Intl

7h 42m1 stop Salt Lake City

$296Delta

Sat, Feb 27 - Fri, Mar 5

1:31 pm - 6:39 pmBOS Boston Logan Intl-ONT Ontario

8h 08m1 stop Chicago O'Hare Intl

6:53 pm - 8:23 amONT Ontario-BOS Boston Logan Intl

10h 30m1 stop San Francisco

$314United Airlines

Recent last minute flight deals from Massachusetts to Ontario

Tue, Sep 22 - Tue, Sep 29

4:48 pm - 11:16 amBOS Boston Logan Intl-ONT Ontario

21h 28m1 stop Seattle/Tacoma Intl

7:12 am - 6:09 amONT Ontario-BOS Boston Logan Intl

19h 57m1 stop Portland

$477Alaska Airlines

Tue, Sep 22 - Tue, Sep 29

7:12 am - 2:16 pmBOS Boston Logan Intl-ONT Ontario

10h 04m1 stop Seattle/Tacoma Intl

3:14 pm - 7:39 amONT Ontario-BOS Boston Logan Intl

13h 25m1 stop Seattle/Tacoma Intl

$479Alaska Airlines

Wed, Sep 23 - Wed, Sep 30

3:13 pm - 10:59 pmBOS Boston Logan Intl-ONT Ontario

10h 46m1 stop Chicago O'Hare Intl

11:10 am - 10:57 pmONT Ontario-BOS Boston Logan Intl

8h 47m1 stop San Francisco

$520United Airlines

Thu, Sep 24 - Thu, Oct 1

6:05 am - 12:14 pmBOS Boston Logan Intl-ONT Ontario

9h 09m1 stop Salt Lake City

10:00 pm - 9:42 amONT Ontario-BOS Boston Logan Intl

8h 42m1 stop Atlanta Hartsfield-Jackson

$523Delta

Fri, Sep 25 - Sun, Oct 4

12:20 pm - 6:07 pmBOS Boston Logan Intl-ONT Ontario

8h 47m1 stop Atlanta Hartsfield-Jackson

10:00 pm - 11:08 amONT Ontario-BOS Boston Logan Intl

10h 08m1 stop Atlanta Hartsfield-Jackson

$523Delta

Tue, Sep 22 - Sat, Oct 10

5:25 am - 1:10 pmBOS Boston Logan Intl-ONT Ontario

10h 45m2 stops Baltimore/Washington Sacramento Intl

11:55 pm - 11:10 amONT Ontario-BOS Boston Logan Intl

8h 15m1 stop Chicago Midway

$547Southwest

Sun, Sep 20 - Wed, Sep 23

7:45 am - 1:25 pmBOS Boston Logan Intl-ONT Ontario

8h 40m1 stop Dallas/Fort Worth

12:37 pm - 11:34 pmONT Ontario-BOS Boston Logan Intl

7h 57m1 stop Dallas/Fort Worth

$551American Airlines

Wed, Sep 23 - Wed, Sep 30

7:00 am - 12:06 pmBOS Boston Logan Intl-ONT Ontario

8h 06m1 stop Phoenix Sky Harbor Intl

1:04 pm - 11:30 pmONT Ontario-BOS Boston Logan Intl

7h 26m1 stop Phoenix Sky Harbor Intl

$556American Airlines

Tue, Sep 22 - Sat, Oct 10

5:25 am - 1:10 pmBOS Boston Logan Intl-ONT Ontario

10h 45m2 stops Baltimore/Washington Sacramento Intl

9:25 am - 10:10 pmONT Ontario-BOS Boston Logan Intl

9h 45m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$572Southwest

Tue, Sep 22 - Tue, Dec 29

7:44 am - 2:01 pmBOS Boston Logan Intl-ONT Ontario

9h 17m1 stop San Francisco

6:27 pm - 8:01 amONT Ontario-BOS Boston Logan Intl

10h 34m1 stop San Francisco

$584United Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$126

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 18% lower on average.

Flight from Boston 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.