Massachusetts

$126+ Cheap flights from Ontario (ONT) to Massachusetts

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Jul 16 — Jul 231
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Cheap flight deals from Ontario to Massachusetts

Cheapest flights from Ontario to Massachusetts
Explore the most affordable flight options available from Ontario to Massachusetts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.

This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:25 am
ONT
-
BOS
1 stop11h 45m
Southwest
Wed 8/262:45 pm
BOS
-
ONT
2 stops10h 15m
Southwest
Deal found 6/11$227
This Southwest deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:25 am
ONT
-
BOS
1 stop11h 45m
Southwest
Sat 8/295:00 am
BOS
-
ONT
1 stop12h 30m
Southwest
Deal found 6/12$248
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:59 pm
ONT
-
BOS
1 stop7h 25m
American Airlines
Wed 8/266:30 am
BOS
-
ONT
1 stop8h 33m
American Airlines
Deal found 6/11$253
This Super.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:50 pm
ONT
-
BOS
1 stop8h 26m
JetBlue
Fri 8/214:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/15$255
This Super.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
-
BOS
1 stop8h 26m
JetBlue
Thu 8/274:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/11$256
This Super.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:51 pm
ONT
-
BOS
1 stop8h 35m
JetBlue
Wed 8/124:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/11$257
This JetBlue deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:50 pm
ONT
-
BOS
1 stop11h 31m
JetBlue
Fri 8/144:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/11$265
This Super.com deal was found by Cheapflights users on 6/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:50 pm
ONT
-
BOS
1 stop8h 26m
JetBlue
Mon 8/314:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/15$268
This JetBlue deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:50 pm
ONT
-
BOS
1 stop8h 26m
JetBlue
Fri 8/284:30 pm
BOS
-
ONT
1 stop9h 05m
JetBlue
Deal found 6/16$275
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:25 am
ONT
-
BDL
1 stop10h 06m
American Airlines
Tue 8/186:00 am
BDL
-
ONT
1 stop10h 31m
American Airlines
Deal found 6/16$355
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:55 pm
ONT
-
BDL
1 stop9h 05m
Southwest
Mon 9/143:40 pm
BDL
-
ONT
2 stops9h 30m
Southwest
Deal found 6/11$364
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm
ONT
-
BDL
1 stop8h 58m
Delta
Sat 9/56:00 am
BDL
-
ONT
1 stop7h 42m
Delta
Deal found 6/14$368

Find flight deals from Ontario to Massachusetts

Keep the following information in mind while searching for Ontario to Massachusetts flight deals. Data was last updated June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Southwest)

One-way from

$126
(Super.com)

Popular in

June

Cheapest in

January

Average price

$482
Provider with most accurate pricing for Los Angeles Los Angeles-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for Los Angeles Los Angeles-Boston Logan Intl flights.
From Ontario to Massachusetts
One-way flight from Ontario to Massachusetts
Highest demand for flights based on searches. 12% potential increase in price ($58 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Massachusetts that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from Ontario to Massachusetts that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 8/9

11:50 pm-11:21 am

1 stop8h 31m

Boston Logan Intl

Tue 8/18

2:45 pm-10:35 pm

1 stop10h 50m

$265

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 9/23

7:40 am-9:25 pm

2 stops10h 45m

Boston Logan Intl

Wed 9/30

10:05 am-5:35 pm

2 stops10h 30m

$337

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 8/18

7:45 am-9:25 pm

2 stops10h 40m

Boston Logan Intl

Sat 8/22

1:00 pm-8:05 pm

2 stops10h 05m

$362

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 10/29

5:40 am-5:55 pm

2 stops9h 15m

Boston Logan Intl

Sun 11/1

5:00 am-2:05 pm

1 stop12h 05m

$363

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Wed 9/9

11:55 pm-12:00 pm

1 stop9h 05m

Hartford Bradley Intl

Mon 9/14

3:40 pm-10:10 pm

2 stops9h 30m

$364

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 9/26

9:10 pm-10:46 am

1 stop10h 36m

Boston Logan Intl

Tue 10/6

1:00 pm-8:13 pm

1 stop10h 13m

$373

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 7/22

5:30 am-6:00 pm

2 stops9h 30m

Boston Logan Intl

Thu 7/30

6:25 am-12:10 pm

1 stop8h 45m

$382

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Thu 10/15

12:00 pm-11:34 pm

1 stop8h 34m

Albany Intl

Mon 10/19

6:00 am-4:12 pm

2 stops13h 12m

$408

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 10/5

9:10 pm-10:46 am

1 stop10h 36m

Boston Logan Intl

Mon 10/12

4:00 pm-10:09 pm

1 stop9h 09m

$416

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Thu 9/17

11:55 pm-11:10 am

1 stop8h 15m

Albany Intl

Mon 9/21

3:10 pm-10:10 pm

2 stops10h 00m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Ontario to Massachusetts

Have a flexible travel schedule? Discover the best time to fly to Massachusetts from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Massachusetts

What is the cheapest month to book a flight from Ontario to Massachusetts?

Currently, March is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $128). Flying from Ontario to Massachusetts in July is currently the most expensive (average of $312). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Ontario to Massachusetts?

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

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Massachusetts. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Massachusetts

Get insights into the airlines that provide service to Massachusetts. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Massachusetts. Reviews last updated June 16, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Ontario to Massachusetts by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Massachusetts. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Massachusetts?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Massachusetts. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Massachusetts?

    Departing from Ontario to Massachusetts will take you 8h 31m. The distance between Ontario and Massachusetts is about 2559 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ontario to Massachusetts one-way?

    One-way options have recently been found by users for as low as $129 on United Airlines. Other airlines that offer cheap prices include American Airlines from $138 and JetBlue from $143 one-way.

  • What are the most popular routes from Ontario to Massachusetts?

  • Can I find deals for flights from Ontario to Massachusetts that include hotel bookings?

    Yes. In addition to deals on Ontario to Massachusetts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Massachusetts?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Massachusetts.

  • Can I find deals for business class flights from Ontario to Massachusetts?

    Yes. Cheapflights offers flight deals from Ontario to Massachusetts by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Massachusetts?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $128). Flying from Ontario to Massachusetts in July is currently the most expensive (average of $312). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Massachusetts

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to Massachusetts

Discover the top 5 airlines that operate flights from Ontario to Massachusetts. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$358FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$223Average$333FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$409FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$296Average$398FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$302Average$433FlexibilityNo cancel feeOn-time63%

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