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$89+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Massachusetts

Keep the following information in mind while searching for Ontario to Massachusetts flight deals. Data was last updated July 3, 2025.

Round-trip from

$264
(Frontier)

One-way from

$89
(Priceline)

Popular in

December

Cheapest in

January

Average price

$463
From Ontario to Massachusetts
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One-way flight from Ontario to Massachusetts
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 3, 2025.

This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:09 pmONT - BOS
1 stop11h 49mFrontier
Thu 8/1412:57 pmBOS - ONT
2 stops13h 53mFrontier
Deal found 6/30$264
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/1011:59 pmONT - BOS
1 stop9h 16mJetBlue
Fri 8/151:59 pmBOS - ONT
1 stop11h 11mJetBlue
Deal found 7/3$289
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/3011:45 amONT - BOS
1 stop8h 29mDelta
Fri 9/55:20 pmBOS - ONT
1 stop8h 20mDelta
Deal found 7/3$305
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/315:49 pmONT - BOS
1 stop9h 11mAlaska Airlines
Fri 9/55:37 pmBOS - ONT
1 stop9h 17mAlaska Airlines
Deal found 7/3$312
This American Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/1512:47 pmONT - BOS
1 stop7h 29mAmerican Airlines
Fri 8/225:55 amBOS - ONT
1 stop8h 57mAmerican Airlines
Deal found 7/1$314
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/1610:29 pmONT - ALB
1 stop9h 21mAmerican Airlines
Mon 8/256:00 amALB - ONT
1 stop6h 58mAmerican Airlines
Deal found 7/3$315
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:34 pmONT - BOS
1 stop7h 21mUnited Airlines
Sat 8/236:09 amBOS - ONT
2 stops9h 23mUnited Airlines
Deal found 7/1$318
This Southwest deal was found by Cheapflights users on 7/2. 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 10/712:00 pmONT - BOS
1 stop7h 35mSouthwest
Sat 10/115:20 amBOS - ONT
1 stop8h 20mSouthwest
Deal found 7/2$325
This Southwest deal was found by Cheapflights users on 7/1. 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 9/210:55 amONT - BDL
1 stop8h 05mSouthwest
Tue 9/96:00 amBDL - ONT
1 stop8h 35mSouthwest
Deal found 7/1$343
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 8/211:40 amONT - BDL
1 stop9h 08mDelta
Tue 8/126:00 amBDL - ONT
1 stop7h 35mDelta
Deal found 7/3$345
This American Airlines deal was found by Cheapflights users on 7/3. 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.
Sat 8/211:59 pmONT - BDL
1 stop8h 35mAmerican Airlines
Sat 8/99:57 amBDL - ONT
2 stops10h 55mAmerican Airlines
Deal found 7/3$352
This Delta deal was found by Cheapflights users on 7/2. 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.
Mon 8/411:40 amONT - ALB
1 stop9h 11mDelta
Sat 8/96:00 amALB - ONT
1 stop7h 30mDelta
Deal found 7/2$380

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 July 3, 2025.
Use the filters below to find and compare flights from Ontario to Massachusetts that are best for you.

Fly from

Ontario

Fly to

Massachusetts

Route

Depart

Return

Price

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 8/7

8:09 pm-10:58 am

1 stop11h 49m

Boston Logan Intl

Thu 8/14

12:57 pm-11:50 pm

2 stops13h 53m

$264

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 8/10

11:59 pm-12:15 pm

1 stop9h 16m

Boston Logan Intl

Fri 8/15

1:59 pm-10:10 pm

1 stop11h 11m

$289

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 8/30

11:45 am-11:14 pm

1 stop8h 29m

Boston Logan Intl

Wed 9/3

5:20 pm-10:40 pm

1 stop8h 20m

$305

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 8/31

5:49 pm-6:00 am

1 stop9h 11m

Boston Logan Intl

Fri 9/5

5:37 pm-11:54 pm

1 stop9h 17m

$312

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 8/15

12:47 pm-11:16 pm

1 stop7h 29m

Boston Logan Intl

Fri 8/22

5:55 am-11:52 am

1 stop8h 57m

$314

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Sat 8/16

10:29 pm-10:50 am

1 stop9h 21m

Albany Intl

Mon 8/25

6:00 am-9:58 am

1 stop6h 58m

$315

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 8/15

1:34 pm-11:55 pm

1 stop7h 21m

Boston Logan Intl

Sat 8/23

6:09 am-12:32 pm

2 stops9h 23m

$318

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 10/7

12:00 pm-10:35 pm

1 stop7h 35m

Boston Logan Intl

Sat 10/11

5:20 am-10:40 am

1 stop8h 20m

$325

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Tue 9/2

10:55 am-10:00 pm

1 stop8h 05m

Hartford Bradley Intl

Tue 9/9

6:00 am-11:35 am

1 stop8h 35m

$343

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Sat 8/2

11:40 am-11:48 pm

1 stop9h 08m

Hartford Bradley Intl

Tue 8/12

6:00 am-10:35 am

1 stop7h 35m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 37 results
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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, January is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $218). Flying from Ontario to Massachusetts in June is currently the most expensive (average of $306). 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.

What is the cheapest time of day to fly from ONT to MA?

Find hourly flight availability from Ontario to Massachusetts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Massachusetts as you normally would.

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 July 3, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $89 on Frontier. Other airlines that offer cheap prices include American Airlines from $127 and United Airlines from $132 one-way.

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

    While some choose either Ontario - Hartford Bradley Intl or Ontario - Albany Intl, Ontario - Boston Logan Intl is the most popular route 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, January is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $218). Flying from Ontario to Massachusetts in June is currently the most expensive (average of $306). 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.
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Top 7 airlines flying from Ontario to Massachusetts

Discover the top 7 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$131Average$328FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$131Average$184FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$207Average$337FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$423FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$421FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$308Average$452FlexibilityNo cancel feeOn-time63%

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