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$114+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 31, 2025.

Round-trip from

$266
(lastminute.com)

One-way from

$114
(FlyFar)

Popular in

December

Cheapest in

January

Average price

$471
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 31, 2025.

This lastminute.com deal was found by Cheapflights users on 7/30. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/610:56 pmONT - BOS
1 stop7h 38mJetBlue
Tue 9/162:45 pmBOS - ONT
1 stop9h 44mJetBlue
Deal found 7/30$266
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/317:32 pmONT - BOS
1 stop7h 41mAmerican Airlines
Thu 9/42:38 pmBOS - ONT
1 stop10h 55mAmerican Airlines
Deal found 7/31$273
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:49 pmONT - BOS
1 stop9h 11mHawaiian Airlines
Wed 9/107:20 amBOS - ONT
1 stop9h 52mHawaiian Airlines
Deal found 7/29$284
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1712:47 pmONT - ALB
1 stop7h 56mAmerican Airlines
Wed 9/246:01 amALB - ONT
1 stop8h 56mAmerican Airlines
Deal found 7/30$287
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Tue 9/911:39 amONT - BOS
1 stop9h 48mAlaska Airlines
Fri 9/127:20 amBOS - ONT
1 stop9h 52mAlaska Airlines
Deal found 7/29$294
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/411:45 amONT - BOS
1 stop10h 39mDelta
Wed 9/101:35 pmBOS - ONT
1 stop8h 36mDelta
Deal found 7/30$295
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 8/274:54 pmONT - ORH
2 stops19h 01mAmerican Airlines
Mon 9/13:20 pmORH - ONT
2 stops23h 32mAmerican Airlines
Deal found 7/31$303
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/307:00 amONT - BOS
1 stop7h 46mUnited Airlines
Sat 9/69:30 amBOS - ONT
2 stops11h 07mUnited Airlines
Deal found 7/31$309
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/206:27 pmONT - ALB
2 stops12h 58mUnited Airlines
Wed 10/294:22 pmALB - ONT
1 stop9h 09mUnited Airlines
Deal found 7/30$317
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 8/1510:35 amONT - BOS
1 stop9h 00mSouthwest
Sat 8/238:00 amBOS - ONT
1 stop10h 45mSouthwest
Deal found 7/29$318
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:55 amONT - BDL
1 stop8h 19mDelta
Sat 9/201:22 pmBDL - ONT
1 stop8h 53mDelta
Deal found 7/30$322
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/176:38 pmONT - BDL
2 stops11h 58mUnited Airlines
Mon 9/224:53 pmBDL - ONT
1 stop8h 37mUnited Airlines
Deal found 7/31$330

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 31, 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

Sat 9/6

10:56 pm-9:34 am

1 stop7h 38m

Boston Logan Intl

Tue 9/16

2:45 pm-9:29 pm

1 stop9h 44m

$266

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 8/31

7:32 pm-6:13 am

1 stop7h 41m

Boston Logan Intl

Thu 9/4

2:38 pm-10:33 pm

1 stop10h 55m

$273

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 9/5

5:49 pm-6:00 am

1 stop9h 11m

Boston Logan Intl

Wed 9/10

7:20 am-2:12 pm

1 stop9h 52m

$284

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Wed 9/17

12:47 pm-11:43 pm

1 stop7h 56m

Albany Intl

Wed 9/24

6:01 am-11:57 am

1 stop8h 56m

$287

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 9/9

11:39 am-12:27 am

1 stop9h 48m

Boston Logan Intl

Wed 9/17

7:20 am-2:12 pm

1 stop9h 52m

$294

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 9/4

11:45 am-1:24 am

1 stop10h 39m

Boston Logan Intl

Wed 9/10

1:35 pm-7:11 pm

1 stop8h 36m

$295

OntarioWorcester

ONT - ORH

ONTORH

Ontario

Wed 8/27

4:54 pm-2:55 pm

2 stops19h 01m

Worcester

Mon 9/1

3:20 pm-11:52 am

2 stops23h 32m

$303

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 8/30

7:00 am-5:46 pm

1 stop7h 46m

Boston Logan Intl

Sat 9/6

9:30 am-5:37 pm

2 stops11h 07m

$309

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Mon 10/20

6:27 pm-10:25 am

2 stops12h 58m

Albany Intl

Wed 10/29

4:22 pm-10:31 pm

1 stop9h 09m

$317

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 8/15

10:35 am-10:35 pm

1 stop9h 00m

Boston Logan Intl

Sat 8/23

8:00 am-3:45 pm

1 stop10h 45m

$318

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July is currently the most expensive (average of $311). 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 31, 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 31, 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

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $114 on Frontier. Other airlines that offer cheap prices include American Airlines from $127 and Alaska Airlines from $138 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 July is currently the most expensive (average of $311). 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 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$131Average$328FlexibilityNo cancel feeOn-time75%
Spirit AirlinesCheapest$154Average$214FlexibilityNo cancel feeOn-time65%
DeltaCheapest$188Average$371FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$207Average$332FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$287Average$432FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$297Average$418FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$298Average$446FlexibilityNo cancel feeOn-time63%

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