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 10m on average, while flying from Nantucket to Los Angeles is 8h 35m on average. Los Angeles is the most popular airport in Ontario.

What airlines fly to Ontario?

JetBlue, Delta 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 44% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 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?

Delta, United Airlines, 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 March 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.

$112 Cheap Flights from Massachusetts to Ontario in 2026

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Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 8:05 pm

BOS

ONT

30h 20m

1 stop

11:55 pm - 12:40 pm

ONT

BOS

9h 45m

1 stop

$242Southwest

Wed, Apr 29 - Thu, Apr 30

3:15 pm - 9:40 pm

BOS

ONT

9h 25m

1 stop

9:55 pm - 8:05 am

ONT

BOS

7h 10m

1 stop

$259Southwest

Tue, Mar 24 - Tue, Mar 31

3:15 pm - 11:10 pm

BOS

ONT

10h 55m

2 stops

9:55 pm - 8:05 am

ONT

BOS

7h 10m

1 stop

$264Southwest

Tue, Mar 24 - Tue, Mar 31

2:40 pm - 10:07 pm

BOS

ONT

10h 27m

2 stops

11:58 pm - 12:16 pm

ONT

BOS

9h 18m

2 stops

$269American Airlines

Tue, Mar 24 - Tue, Mar 31

3:05 pm - 8:36 pm

BOS

ONT

8h 31m

1 stop

6:49 pm - 8:24 am

ONT

BOS

10h 35m

1 stop

$274United Airlines

Wed, Apr 1 - Wed, Apr 8

4:33 pm - 11:59 pm

BOS

ONT

10h 26m

1 stop

10:39 am - 11:59 pm

ONT

BOS

10h 20m

1 stop

$278Alaska Airlines

Fri, May 1 - Mon, May 4

4:55 pm - 10:31 pm

ALB

ONT

8h 36m

1 stop

6:49 pm - 10:25 am

ONT

ALB

12h 36m

2 stops

$312United Airlines

Tue, Apr 14 - Wed, Apr 15

1:51 pm - 9:00 pm

ALB

ONT

10h 09m

2 stops

7:00 am - 11:21 pm

ONT

ALB

13h 21m

2 stops

$317Delta

Tue, Apr 14 - Wed, Apr 15

1:51 pm - 9:00 pm

ALB

ONT

10h 09m

2 stops

5:55 pm - 9:05 am

ONT

ALB

12h 10m

2 stops

$337Delta

Tue, Apr 14 - Wed, Apr 15

1:36 pm - 10:36 pm

ALB

ONT

12h 00m

2 stops

11:59 pm - 2:15 pm

ONT

ALB

11h 16m

2 stops

$358American Airlines

Tue, Apr 14 - Wed, Apr 15

American Airlines flights from Massachusetts to Ontario

Our best American Airlines deals on Massachusetts to Ontario flight tickets

American Airlines

Mar 24

BOS2:40 pmBoston Logan Intl

10h 27m

2 stops

ONT10:07 pmOntario

Mar 31

ONT11:58 pmOntario

9h 18m

2 stops

BOS12:16 pmBoston Logan Intl

$269

American Airlines

Mar 23

BOS6:15 amBoston Logan Intl

8h 16m

1 stop

ONT11:31 amOntario

Apr 1

ONT7:59 pmOntario

6h 35m

1 stop

BOS5:34 amBoston Logan Intl

$310

American Airlines

Apr 27

BOS4:24 pmBoston Logan Intl

8h 35m

1 stop

ONT9:59 pmOntario

May 4

ONT7:35 pmOntario

7h 25m

1 stop

BOS6:00 amBoston Logan Intl

$316

Alaska Airlines flights from Massachusetts to Ontario

Our best Alaska Airlines deals on Massachusetts to Ontario flight tickets

Alaska Airlines

May 1

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

May 4

ONT10:39 amOntario

10h 20m

1 stop

BOS11:59 pmBoston Logan Intl

$278

Alaska Airlines

Mar 30

BOS6:10 pmBoston Logan Intl

18h 29m

1 stop

ONT9:39 amOntario

Apr 8

ONT7:00 amOntario

19h 53m

1 stop

BOS5:53 amBoston Logan Intl

$296

Alaska Airlines

Apr 30

BOS4:33 pmBoston Logan Intl

10h 26m

1 stop

ONT11:59 pmOntario

May 4

ONT10:39 amOntario

10h 20m

1 stop

BOS11:59 pmBoston Logan Intl

$298

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 4/29

4:45 pm-8:05 pm

1 stop30h 20m

Ontario

Thu 4/30

11:55 pm-12:40 pm

1 stop9h 45m

$242

Quickest round-trip

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/24

3:15 pm-9:40 pm

1 stop9h 25m

Ontario

Tue 3/31

9:55 pm-8:05 am

1 stop7h 10m

$259

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/24

3:15 pm-11:10 pm

2 stops10h 55m

Ontario

Tue 3/31

9:55 pm-8:05 am

1 stop7h 10m

$264

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 3/24

2:40 pm-10:07 pm

2 stops10h 27m

Ontario

Tue 3/31

11:58 pm-12:16 pm

2 stops9h 18m

$269

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 4/1

3:05 pm-8:36 pm

1 stop8h 31m

Ontario

Wed 4/8

6:49 pm-8:24 am

1 stop10h 35m

$274

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 5/1

4:33 pm-11:59 pm

1 stop10h 26m

Ontario

Mon 5/4

10:39 am-11:59 pm

1 stop10h 20m

$278

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 4/14

4:55 pm-10:31 pm

1 stop8h 36m

Ontario

Wed 4/15

6:49 pm-10:25 am

2 stops12h 36m

$312

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 4/14

1:51 pm-9:00 pm

2 stops10h 09m

Ontario

Wed 4/15

7:00 am-11:21 pm

2 stops13h 21m

$317

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 4/14

1:51 pm-9:00 pm

2 stops10h 09m

Ontario

Wed 4/15

5:55 pm-9:05 am

2 stops12h 10m

$337

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 4/14

1:36 pm-10:36 pm

2 stops12h 00m

Ontario

Wed 4/15

11:59 pm-2:15 pm

2 stops11h 16m

$358

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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, May 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 $351. If you aren’t able to travel during the month of May, then book flights to Ontario from Massachusetts during July instead. Flights to Ontario in July, while not as cheap as those in May, still average around $358.

How far in advance should I book a flight 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 $405 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 $301 on momondo.

Can stopping save me money on Massachusetts to Ontario flights?

You could potentially save up to 52% 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

Fastest flight time	7h 55m
Direct flights	None

The fastest flight from Massachusetts to Ontario takes 7h 55m

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

Search flight deals

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 March 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 $149	Free Cancellation	Rating 7.9 8,258 reviews	Search Delta flights
United Airlines	PriceFrom $239	Free Cancellation	Rating 7.4 9,403 reviews	Search United Airlines flights
American Airlines	PriceFrom $259	Free Cancellation	Rating 7.1 11,393 reviews	Search American Airlines flights
JetBlue	PriceFrom $270	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Southwest	PriceFrom $317	Free Cancellation	Rating 8.0 4,309 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.

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Cheap flights from Massachusetts to Los Angeles from $112

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 4/7. 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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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 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

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

Fastest flight time

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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

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

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

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