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

Frontier, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Massachusetts to 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 39% 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.

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 08m on average, while flying from Hyannis to Los Angeles is 7h 53m on average. Los Angeles is the most popular airport in 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 August 2025.

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.

$113 Cheap Flights from Massachusetts to Ontario in 2025

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Find the cheapest flights from Massachusetts to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

12:49 pm - 11:50 pmBOS-ONT

14h 01m2 stops

7:35 pm - 9:15 amONT-BOS

10h 40m2 stops

$234Frontier

Find Deal

Fri, Nov 7 - Sun, Nov 9

9:50 am - 11:50 pmBOS-ONT

17h 00m2 stops

12:49 pm - 8:33 amONT-BOS

16h 44m2 stops

$236Frontier

Find Deal

Thu, Oct 23 - Sun, Oct 26

2:45 pm - 9:29 pmBOS-ONT

9h 44m1 stop

10:56 pm - 9:34 amONT-BOS

7h 38m1 stop

$263JetBlue

Find Deal

Thu, Sep 4 - Wed, Sep 10

2:45 pm - 9:29 pmBOS-ONT

9h 44m1 stop

10:56 pm - 9:34 amONT-BOS

7h 38m1 stop

$264JetBlue

Find Deal

Thu, Sep 4 - Sat, Sep 13

3:30 pm - 8:43 pmBOS-ONT

8h 13m1 stop

7:00 am - 7:19 pmONT-BOS

9h 19m1 stop

$277United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

1:00 pm - 8:43 pmBOS-ONT

10h 43m2 stops

6:50 pm - 6:01 amONT-BOS

8h 11m1 stop

$282United Airlines

Find Deal

Tue, Sep 9 - Tue, Sep 16

12:38 pm - 7:41 pmBDL-ONT

10h 03m1 stop

9:59 am - 12:14 amONT-BDL

11h 15m2 stops

$282American Airlines

Find Deal

Wed, Nov 5 - Tue, Nov 11

6:00 am - 1:53 pmBOS-ONT

10h 53m1 stop

8:15 am - 9:54 pmONT-BOS

10h 39m1 stop

$285American Airlines

Find Deal

Thu, Sep 4 - Tue, Sep 16

9:30 am - 3:45 pmALB-ONT

9h 15m1 stop

1:25 pm - 11:30 pmONT-ALB

7h 05m1 stop

$287Southwest

Find Deal

Sat, Sep 6 - Mon, Sep 8

8:50 am - 4:05 pmALB-ONT

10h 15m2 stops

12:45 pm - 11:00 pmONT-ALB

7h 15m1 stop

$292Southwest

Find Deal

Sat, Sep 6 - Mon, Sep 8

American Airlines flights from Massachusetts to Ontario

Our best American Airlines deals on Massachusetts to Ontario flight tickets

American Airlines

Nov 5

BDL12:38 pmHartford Bradley Intl

10h 03m

1 stop

ONT7:41 pmOntario

Nov 11

ONT9:59 amOntario

11h 15m

2 stops

BDL12:14 amHartford Bradley Intl

$282

Find similar

American Airlines

Sep 4

BOS6:00 amBoston Logan Intl

10h 53m

1 stop

ONT1:53 pmOntario

Sep 16

ONT8:15 amOntario

10h 39m

1 stop

BOS9:54 pmBoston Logan Intl

$285

Find similar

American Airlines

Sep 9

BOS8:35 amBoston Logan Intl

10h 30m

2 stops

ONT4:05 pmOntario

Sep 16

ONT10:53 amOntario

9h 51m

2 stops

BOS11:44 pmBoston Logan Intl

$287

Find similar

Delta flights from Massachusetts to Ontario

Our best Delta deals on Massachusetts to Ontario flight tickets

Delta

Oct 21

BOS6:15 amBoston Logan Intl

8h 59m

1 stop

ONT12:14 pmOntario

Oct 29

ONT1:15 pmOntario

7h 33m

1 stop

BOS11:48 pmBoston Logan Intl

$297

Find similar

Delta

Oct 21

BOS6:15 amBoston Logan Intl

8h 59m

1 stop

ONT12:14 pmOntario

Oct 27

ONT10:00 pmOntario

8h 36m

1 stop

BOS9:36 amBoston Logan Intl

$305

Find similar

Delta

Oct 21

BOS6:15 amBoston Logan Intl

8h 59m

1 stop

ONT12:14 pmOntario

Oct 25

ONT1:15 pmOntario

7h 33m

1 stop

BOS11:48 pmBoston Logan Intl

$307

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 11/7

12:49 pm-11:50 pm

2 stops14h 01m

Ontario

Sun 11/9

7:35 pm-9:15 am

2 stops10h 40m

$234

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 10/23

9:50 am-11:50 pm

2 stops17h 00m

Ontario

Sun 10/26

12:49 pm-8:33 am

2 stops16h 44m

$236

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 9/4

2:45 pm-9:29 pm

1 stop9h 44m

Ontario

Wed 9/10

10:56 pm-9:34 am

1 stop7h 38m

$263

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 9/4

2:45 pm-9:29 pm

1 stop9h 44m

Ontario

Sat 9/13

10:56 pm-9:34 am

1 stop7h 38m

$264

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 9/9

3:30 pm-8:43 pm

1 stop8h 13m

Ontario

Tue 9/16

7:00 am-7:19 pm

1 stop9h 19m

$277

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Tue 9/9

1:00 pm-8:43 pm

2 stops10h 43m

Ontario

Tue 9/16

6:50 pm-6:01 am

1 stop8h 11m

$282

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Wed 11/5

12:38 pm-7:41 pm

1 stop10h 03m

Ontario

Tue 11/11

9:59 am-12:14 am

2 stops11h 15m

$282

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 9/4

6:00 am-1:53 pm

1 stop10h 53m

Ontario

Tue 9/16

8:15 am-9:54 pm

1 stop10h 39m

$285

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Sat 9/6

9:30 am-3:45 pm

1 stop9h 15m

Ontario

Mon 9/8

1:25 pm-11:30 pm

1 stop7h 05m

$287

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Sat 9/6

8:50 am-4:05 pm

2 stops10h 15m

Ontario

Mon 9/8

12:45 pm-11:00 pm

1 stop7h 15m

$292

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, 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 $346. If you aren’t able to travel during the month of May, then book flights to Ontario from Massachusetts during January instead. Flights to Ontario in January, while not as cheap as those in May, still average around $350.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $401. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Massachusetts to Ontario for around $569.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from Massachusetts to Ontario when you can find flight prices for as low as $428. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $552 on average. Flights to Ontario from Massachusetts in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $411 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 $347 on momondo.

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	$113
Fastest flight time	7h 35m
Direct flights	None
Airports in Ontario	1 airport

The best one-way flight to Ontario from Massachusetts in the past 72 hours is $113. The best round-trip flight deal from Massachusetts to Ontario found on momondo in the last 72 hours is $234.

The fastest flight from Massachusetts to Ontario takes 7h 35m

There are no direct flights from Massachusetts to Ontario. Popular non-direct routes for this connection are Boston Logan Intl Airport - Ontario Airport, Hartford Bradley Intl Airport - Ontario Airport and Albany Intl Airport - Ontario Airport.

There is 1 airport near Ontario: Ontario (ONT)

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 August 2025.
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
JetBlue	PriceFrom $176	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Delta	PriceFrom $198	Free Cancellation	Rating 8.0 7,980 reviews	Search Delta flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 8,916 reviews	Search United Airlines flights
American Airlines	PriceFrom $293	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,244 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.