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.

$121 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 10 - Sat, Nov 14

7:13 am - 3:13 pmBOS Boston Logan Intl-ONT Ontario

11h 00m1 stop Seattle/Tacoma Intl

4:09 pm - 5:40 amONT Ontario-BOS Boston Logan Intl

10h 31m1 stop Seattle/Tacoma Intl

$251Alaska Airlines

Sat, Oct 24 - Sat, Oct 31

5:15 am - 10:20 amBOS Boston Logan Intl-ONT Ontario

8h 05m1 stop Denver Intl

6:30 am - 7:25 pmONT Ontario-BOS Boston Logan Intl

9h 55m1 stop Chicago Midway

$252Southwest

Sat, Oct 24 - Sat, Oct 31

5:15 am - 10:20 amBOS Boston Logan Intl-ONT Ontario

8h 05m1 stop Denver Intl

7:40 am - 7:25 pmONT Ontario-BOS Boston Logan Intl

8h 45m2 stops Phoenix Sky Harbor Intl Chicago Midway

$258Southwest

Tue, Oct 27 - Fri, Oct 30

7:03 am - 6:00 pmBOS Boston Logan Intl-ONT Ontario

13h 57m1 stop Seattle/Tacoma Intl

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

9h 46m1 stop Seattle/Tacoma Intl

$285Alaska Airlines

Wed, Nov 18 - Thu, Nov 26

6:45 pm - 11:49 pmBOS Boston Logan Intl-ONT Ontario

8h 04m1 stop Salt Lake City

6:00 am - 4:26 pmONT Ontario-BOS Boston Logan Intl

7h 26m1 stop Salt Lake City

$297Delta

Mon, Nov 23 - Wed, Dec 2

7:50 am - 5:19 pmBOS Boston Logan Intl-ONT Ontario

12h 29m1 stop Seattle/Tacoma Intl

5:04 pm - 6:20 amONT Ontario-BOS Boston Logan Intl

10h 16m1 stop Salt Lake City

$297Delta

Tue, Dec 22 - Tue, Jan 5

3:57 pm - 10:51 pmBOS Boston Logan Intl-ONT Ontario

9h 54m1 stop Dallas/Fort Worth

7:36 pm - 5:25 amONT Ontario-BOS Boston Logan Intl

6h 49m1 stop Phoenix Sky Harbor Intl

$327American Airlines

Wed, Feb 24 - Wed, Mar 10

1:45 pm - 9:28 pmALB Albany Intl-ONT Ontario

10h 43m1 stop Charlotte Douglas

6:00 am - 6:45 pmONT Ontario-ALB Albany Intl

9h 45m1 stop Chicago O'Hare Intl

$335American Airlines

Sat, Oct 31 - Tue, Nov 3

9:00 am - 6:01 pmBOS Boston Logan Intl-ONT Ontario

12h 01m1 stop San Francisco

7:00 am - 7:14 pmONT Ontario-BOS Boston Logan Intl

9h 14m1 stop Chicago O'Hare Intl

$361United Airlines

Sat, Nov 7 - Sat, Nov 14

3:28 pm - 9:40 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop Houston George Bush Intcntl

9:25 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

11h 34m2 stops San Francisco Washington, D.C. Dulles Intl

$366United Airlines

Recent last minute flight deals from Massachusetts to Ontario

Sat, Sep 19 - Sat, Sep 26

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

10h 04m1 stop Seattle/Tacoma Intl

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

19h 57m1 stop Portland

$531Alaska Airlines

Sat, Sep 19 - Sun, Nov 8

10:03 am - 7:03 pmBOS Boston Logan Intl-ONT Ontario

12h 00m1 stop Seattle/Tacoma Intl

6:00 am - 11:58 pmONT Ontario-BOS Boston Logan Intl

14h 58m1 stop Seattle/Tacoma Intl

$542Alaska Airlines

Wed, Sep 16 - Tue, Sep 22

7:55 am - 5:19 pmBOS Boston Logan Intl-ONT Ontario

12h 24m1 stop Seattle/Tacoma Intl

11:54 am - 12:29 amONT Ontario-BOS Boston Logan Intl

9h 35m1 stop Seattle/Tacoma Intl

$545Delta

Wed, Sep 16 - Wed, Sep 23

7:55 am - 5:19 pmBOS Boston Logan Intl-ONT Ontario

12h 24m1 stop Seattle/Tacoma Intl

11:54 am - 12:29 amONT Ontario-BOS Boston Logan Intl

9h 35m1 stop Seattle/Tacoma Intl

$545Delta

Tue, Sep 15 - Tue, Sep 22

2:45 pm - 10:05 pmBOS Boston Logan Intl-ONT Ontario

10h 20m2 stops Baltimore/Washington Denver Intl

11:55 pm - 9:55 amONT Ontario-BOS Boston Logan Intl

7h 00m1 stop Chicago Midway

$570Southwest

Wed, Sep 16 - Mon, Sep 21

2:10 pm - 7:00 pmBOS Boston Logan Intl-ONT Ontario

7h 50m1 stop Nashville Intl

8:40 pm - 9:55 amONT Ontario-BOS Boston Logan Intl

10h 15m2 stops Phoenix Sky Harbor Intl Chicago Midway

$571Southwest

Sat, Sep 19 - Sat, Sep 26

8:25 am - 8:53 pmBOS Boston Logan Intl-ONT Ontario

15h 28m2 stops Los Angeles Denver Intl

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

8h 47m1 stop San Francisco

$571United Airlines

Sat, Sep 19 - Sat, Sep 26

8:25 am - 8:53 pmBOS Boston Logan Intl-ONT Ontario

15h 28m2 stops Los Angeles Denver Intl

7:00 am - 7:22 pmONT Ontario-BOS Boston Logan Intl

9h 22m1 stop Chicago O'Hare Intl

$571United Airlines

Wed, Sep 16 - Wed, Sep 23

11:36 am - 6:17 pmBOS Boston Logan Intl-ONT Ontario

9h 41m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

10:25 am - 10:29 pmONT Ontario-BOS Boston Logan Intl

9h 04m1 stop Dallas/Fort Worth

$572American Airlines

Wed, Sep 16 - Wed, Sep 23

11:36 am - 6:17 pmBOS Boston Logan Intl-ONT Ontario

9h 41m2 stops Charlotte Douglas Phoenix Sky Harbor Intl

6:00 am - 6:46 pmONT Ontario-BOS Boston Logan Intl

9h 46m2 stops Dallas/Fort Worth Washington, D.C. Reagan-National

$577American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$121

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly and prices are also 20% 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.