How long does it take to fly to Ontario?

Average flight duration from Massachusetts to Ontario depends on which airport you fly into and out of. Flying from Boston to Los Angeles is 6h 20m on average, while flying from Worcester to Los Angeles is 11h 46m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to Ontario from Massachusetts according to our data. JetBlue is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 9 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Massachusetts to Ontario?

Frontier and Alaska Airlines are the most popular carriers operating from Massachusetts to Ontario

When did momondo last update prices for flights from Massachusetts to Ontario Airport?

Prices for flights from Massachusetts to Ontario Airport were last updated today.

How many operators does momondo search for flights from Massachusetts to Ontario Airport?

There are 5 operators available for flights from Massachusetts to Ontario Airport as of November 2026.

How old do you have to be to fly from Massachusetts to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$150 Cheap Flights from Massachusetts to Ontario in 2026/27

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Find the cheapest flights from Massachusetts to Los Angeles

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6:00 am - 1:19 pmBOS Boston Logan Intl-ONT Ontario

10h 19m1 stop Dallas/Fort Worth

9:35 am - 8:51 pmONT Ontario-BOS Boston Logan Intl

8h 16m1 stop Phoenix Sky Harbor Intl

$335American Airlines

Mon, Nov 23 - Wed, Dec 2

6:45 pm - 11:57 pmBOS Boston Logan Intl-ONT Ontario

8h 12m1 stop Salt Lake City

5:55 pm - 7:19 amONT Ontario-BOS Boston Logan Intl

10h 24m1 stop Seattle/Tacoma Intl

$335Delta

Wed, Dec 9 - Thu, Dec 10

4:56 pm - 11:54 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

6:00 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

14h 59m1 stop Seattle/Tacoma Intl

$335Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

4:56 pm - 11:54 pmBOS Boston Logan Intl-ONT Ontario

9h 58m1 stop Portland

6:00 am - 11:59 pmONT Ontario-BOS Boston Logan Intl

14h 59m1 stop Seattle/Tacoma Intl

$335Alaska Airlines

Sat, Dec 12 - Tue, Dec 15

6:05 am - 12:17 pmBOS Boston Logan Intl-ONT Ontario

9h 12m1 stop Salt Lake City

12:20 pm - 11:15 pmONT Ontario-BOS Boston Logan Intl

7h 55m1 stop Atlanta Hartsfield-Jackson

$335Delta

Wed, Dec 2 - Wed, Dec 9

5:00 am - 2:05 pmBOS Boston Logan Intl-ONT Ontario

12h 05m1 stop Denver Intl

8:40 am - 10:15 pmONT Ontario-BOS Boston Logan Intl

10h 35m2 stops Phoenix Sky Harbor Intl Nashville Intl

$367Southwest

Mon, Nov 23 - Wed, Dec 2

7:00 am - 12:40 pmBOS Boston Logan Intl-ONT Ontario

8h 40m1 stop Denver Intl

6:37 pm - 8:01 amONT Ontario-BOS Boston Logan Intl

10h 24m1 stop San Francisco

$372United Airlines

Thu, Jan 28 - Mon, Feb 1

1:24 pm - 6:50 pmBOS Boston Logan Intl-ONT Ontario

8h 26m1 stop Chicago O'Hare Intl

6:37 pm - 8:01 amONT Ontario-BOS Boston Logan Intl

10h 24m1 stop San Francisco

$372United Airlines

Fri, Jan 22 - Mon, Jan 25

3:31 pm - 10:58 pmBOS Boston Logan Intl-ONT Ontario

10h 27m1 stop Dallas/Fort Worth

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

6h 49m1 stop Phoenix Sky Harbor Intl

$377American Airlines

Sat, Dec 12 - Sat, Dec 19

4:40 pm - 9:45 pmBOS Boston Logan Intl-ONT Ontario

8h 05m1 stop Denver Intl

6:25 pm - 8:20 amONT Ontario-BOS Boston Logan Intl

10h 55m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$382Southwest

Wed, Dec 2 - Mon, Dec 7

Cheap last minute flights

Enter your travel dates to find the best prices.

2:15 pm - 7:30 pmBOS Boston Logan Intl-ONT Ontario

8h 15m1 stop Atlanta Hartsfield-Jackson

1:15 pm - 11:57 pmONT Ontario-BOS Boston Logan Intl

7h 42m1 stop Salt Lake City

$496Delta

Sat, Nov 7 - Tue, Nov 17

6:05 am - 12:36 pmBOS Boston Logan Intl-ONT Ontario

9h 31m1 stop Salt Lake City

11:10 pm - 9:45 amONT Ontario-BOS Boston Logan Intl

7h 35m1 stop Atlanta Hartsfield-Jackson

$496Delta

Sat, Nov 7 - Mon, Nov 16

9:03 am - 6:17 pmBOS Boston Logan Intl-ONT Ontario

12h 14m1 stop Seattle/Tacoma Intl

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

10h 31m1 stop Seattle/Tacoma Intl

$496Alaska Airlines

Sat, Nov 7 - 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

$496Alaska Airlines

Wed, Nov 4 - Tue, Nov 17

1:51 pm - 8:15 pmBOS Boston Logan Intl-ONT Ontario

9h 24m1 stop San Francisco

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

8h 59m1 stop San Francisco

$585United Airlines

Wed, Nov 4 - Tue, Nov 10

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

8h 10m1 stop Denver Intl

6:25 pm - 8:20 amONT Ontario-BOS Boston Logan Intl

10h 55m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

$590Southwest

Tue, Nov 3 - Tue, Nov 3

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

8h 10m1 stop Denver Intl

8:40 am - 9:55 pmONT Ontario-BOS Boston Logan Intl

10h 15m2 stops Las Vegas Harry Reid Intl Baltimore/Washington

$590Southwest

Wed, Nov 4 - Tue, Nov 10

1:32 pm - 9:40 pmBOS Boston Logan Intl-ONT Ontario

11h 08m1 stop Houston George Bush Intcntl

7:00 am - 5:24 pmONT Ontario-BOS Boston Logan Intl

7h 24m1 stop Chicago O'Hare Intl

$606United Airlines

Fri, Nov 6 - Tue, Nov 10

6:00 am - 11:52 amBOS Boston Logan Intl-ONT Ontario

8h 52m1 stop Dallas/Fort Worth

11:59 pm - 12:16 pmONT Ontario-BOS Boston Logan Intl

9h 17m2 stops Dallas/Fort Worth New York LaGuardia

$770American Airlines

Thu, Nov 5 - Sun, Nov 8

12:12 pm - 7:09 pmBOS Boston Logan Intl-ONT Ontario

9h 57m2 stops Chicago O'Hare Intl Phoenix Sky Harbor Intl

10:30 am - 11:58 pmONT Ontario-BOS Boston Logan Intl

10h 28m1 stop Dallas/Fort Worth

$771American Airlines

Thu, Nov 5 - Sun, Nov 8

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United Airlines flights from Massachusetts to Ontario

Our best United Airlines deals on Massachusetts to Ontario flight tickets

United Airlines

Jan 22

BOS1:24 pmBoston Logan Intl

8h 26m

1 stop

ONT6:50 pmOntario

Jan 25

ONT6:37 pmOntario

10h 24m

1 stop

BOS8:01 amBoston Logan Intl

$372

United Airlines

Dec 11

BOS2:59 pmBoston Logan Intl

9h 12m

1 stop

ONT9:11 pmOntario

Dec 13

ONT6:40 pmOntario

10h 17m

1 stop

BOS7:57 amBoston Logan Intl

$387

United Airlines

Nov 14

BOS6:00 amBoston Logan Intl

9h 33m

2 stops

ONT12:33 pmOntario

Nov 17

ONT7:00 amOntario

9h 14m

1 stop

BOS7:14 pmBoston Logan Intl

$412

Delta flights from Massachusetts to Ontario

Our best Delta deals on Massachusetts to Ontario flight tickets

Delta

Dec 9

BOS12:20 pmBoston Logan Intl

11h 38m

1 stop

ONT8:58 pmOntario

Dec 12

ONT5:55 pmOntario

10h 24m

1 stop

BOS7:19 amBoston Logan Intl

$335

Delta

Dec 12

BOS5:20 amBoston Logan Intl

8h 47m

1 stop

ONT11:07 amOntario

Dec 25

ONT6:00 amOntario

7h 34m

1 stop

BOS4:34 pmBoston Logan Intl

$371

Delta

Dec 3

BOS2:54 pmBoston Logan Intl

10h 01m

1 stop

ONT9:55 pmOntario

Dec 9

ONT12:20 pmOntario

9h 50m

1 stop

BOS1:10 amBoston Logan Intl

$377

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Mon 11/23

6:00 am-1:19 pm

1 stop10h 19m

Ontario

Wed 12/2

9:35 am-8:51 pm

1 stop8h 16m

$335

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 12/9

6:45 pm-11:57 pm

1 stop8h 12m

Ontario

Thu 12/10

5:55 pm-7:19 am

1 stop10h 24m

$335

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 12/5

4:56 pm-11:54 pm

1 stop9h 58m

Ontario

Tue 12/8

6:00 am-11:59 pm

1 stop14h 59m

$335

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 12/12

4:56 pm-11:54 pm

1 stop9h 58m

Ontario

Tue 12/15

6:00 am-11:59 pm

1 stop14h 59m

$335

Quickest round-trip

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 12/2

6:05 am-12:17 pm

1 stop9h 12m

Ontario

Wed 12/9

12:20 pm-11:15 pm

1 stop7h 55m

$335

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Mon 11/23

5:00 am-2:05 pm

1 stop12h 05m

Ontario

Wed 12/2

8:40 am-10:15 pm

2 stops10h 35m

$367

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Thu 1/28

7:00 am-12:40 pm

1 stop8h 40m

Ontario

Mon 2/1

6:37 pm-8:01 am

1 stop10h 24m

$372

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Fri 1/22

1:24 pm-6:50 pm

1 stop8h 26m

Ontario

Mon 1/25

6:37 pm-8:01 am

1 stop10h 24m

$372

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Sat 12/12

3:31 pm-10:58 pm

1 stop10h 27m

Ontario

Sat 12/19

7:36 pm-5:25 am

1 stop6h 49m

$377

BostonOntario

BOS Boston Logan Intl - ONT Ontario

BOSONT

Boston Logan Intl

Wed 12/2

4:40 pm-9:45 pm

1 stop8h 05m

Ontario

Mon 12/7

6:25 pm-8:20 am

2 stops10h 55m

$382

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Massachusetts to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from Massachusetts to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $352. If you aren’t able to travel during the month of February, then book flights to Ontario from Massachusetts during January instead. Flights to Ontario in January, while not as cheap as those in February, still average around $370.

How far in advance should I book a flight from Massachusetts to Ontario?

You are more likely to see cheaper flights to Ontario from Massachusetts when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $503 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Massachusetts for as low as $326 on momondo.

Can stopping save me money on Massachusetts to Ontario flights?

You could potentially save up to 59% on your flight if you consider stops on a Massachusetts to Ontario flight.

Cheap Massachusetts to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Massachusetts to Ontario

Best Price Found	$150
Fastest flight time	7h 42m
Direct flights	None

The best one-way flight to Ontario from Massachusetts in the past 72 hours is $150. The best round-trip flight deal from Massachusetts to Ontario found on momondo in the last 72 hours is $335.

The fastest flight from Massachusetts to Ontario takes 7h 42m

There are no direct flights from Massachusetts to Ontario. There are no popular flight routes from Massachusetts to Ontario.

Search flight deals

Frequently asked questions about flying from Massachusetts to Ontario

When did momondo last update prices for flights from Massachusetts to Ontario Airport?
Prices for flights from Massachusetts to Ontario Airport were last updated today.
How many operators does momondo search for flights from Massachusetts to Ontario Airport?
There are 5 operators available for flights from Massachusetts to Ontario Airport as of November 2026.
How old do you have to be to fly from Massachusetts to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Massachusetts to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Massachusetts to Ontario

Compare and see reviews for airlines that fly from Massachusetts to Ontario with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $233	Free Cancellation	Rating 7.8 8,699 reviews	Search Delta flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.3 10,460 reviews	Search United Airlines flights
American Airlines	PriceFrom $258	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
JetBlue	PriceFrom $298	Free Cancellation	Rating 7.1 3,065 reviews	Search JetBlue flights
Southwest	PriceFrom $317	Free Cancellation	Rating 8.0 4,215 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Massachusetts to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Massachusetts to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Massachusetts to Ontario with flexible booking policies on momondo?

momondo does allow users to show only those flights to Ontario from Massachusetts which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Massachusetts to Ontario?

momondo helps you find the best flight between Massachusetts and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Massachusetts to Ontario right now. Can momondo alert me if prices change?

Price alerts on flights to Ontario from Massachusetts are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

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Cheap flights from Massachusetts to Los Angeles from $150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Massachusetts to Los Angeles departing on 12/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Massachusetts to Ontario

Our best United Airlines deals on Massachusetts to Ontario flight tickets

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Our best Delta deals on Massachusetts to Ontario flight tickets

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How to get the cheapest flight ticket from Massachusetts to Ontario

What is the cheapest month to fly to Ontario?

How far in advance should I book a flight from Massachusetts to Ontario?

Can stopping save me money on Massachusetts to Ontario flights?

What is the cheapest airline that flies from Massachusetts to Ontario?

What airlines fly to Ontario?

How long does it take to fly to Ontario?

Cheap Massachusetts to Ontario flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Massachusetts to Ontario

Best airlines flying from Massachusetts to Ontario

Compare and see reviews for airlines that fly from Massachusetts to Ontario with momondo

Why use momondo?

An easier way to manage your Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to Los Angeles

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Los Angeles

List of cabin classes available on flights landing in Los Angeles. Availability may vary depending on flight origin and airline.

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