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Massachusetts

$99+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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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 December 17, 2025.

This Delta deal was found by Cheapflights users on 12/17. 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 12/2511:15 amONT - BOS
1 stop9h 39mDelta
Mon 1/56:10 amBOS - ONT
1 stop9h 06mDelta
Deal found 12/17$347
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:18 pmONT - BOS
1 stop7h 19mAmerican Airlines
Tue 1/68:50 amBOS - ONT
1 stop10h 15mAmerican Airlines
Deal found 12/15$357
This Delta deal was found by Cheapflights users on 12/17. 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 12/2511:15 amONT - ALB
1 stop7h 58mDelta
Wed 1/72:30 pmALB - ONT
1 stop9h 35mDelta
Deal found 12/17$368
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2410:42 amONT - BOS
1 stop9h 06mUnited Airlines
Mon 1/54:15 pmBOS - ONT
1 stop9h 10mUnited Airlines
Deal found 12/17$378
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:55 pmONT - ORH
2 stops21h 22mAmerican Airlines
Sat 1/31:45 pmORH - ONT
2 stops37h 01mAmerican Airlines
Deal found 12/15$388
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/2411:15 amONT - ALB
1 stop7h 58mDelta
Wed 1/72:30 pmALB - ONT
1 stop9h 35mDelta
Deal found 12/17$419
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/2411:59 pmONT - BOS
1 stop9h 54mUnited Airlines
Fri 1/24:15 pmBOS - ONT
1 stop9h 10mUnited Airlines
Deal found 12/17$428
This Delta deal was found by Cheapflights users on 12/17. 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 12/2511:15 amONT - ALB
1 stop7h 58mDelta
Tue 1/65:40 amALB - ONT
2 stops32h 51mDelta
Deal found 12/17$437
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:50 amONT - BOS
1 stop9h 11mAmerican Airlines
Mon 1/59:10 amBOS - ONT
1 stop9h 57mAmerican Airlines
Deal found 12/15$453
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amONT - BDL
2 stops13h 59mMultiple Airlines
Sun 1/46:10 amBDL - ONT
1 stop18h 17mMultiple Airlines
Deal found 12/16$468
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:40 pmONT - BDL
1 stop7h 17mUnited Airlines
Thu 1/17:10 amBDL - ONT
1 stop8h 28mUnited Airlines
Deal found 12/16$480
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/2411:15 amONT - ALB
1 stop7h 58mDelta
Tue 1/62:42 pmALB - ONT
2 stops23h 49mDelta
Deal found 12/17$488

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 December 17, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$237
(Delta)

One-way from

$99
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$455
Provider with most accurate pricing for Los Angeles-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Boston Logan Intl flights.
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From Ontario to Massachusetts
Search Deals
One-way flight from Ontario to Massachusetts
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 17, 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

Fri 1/16

6:00 am-6:01 pm

1 stop9h 01m

Boston Logan Intl

Tue 1/20

3:15 pm-8:58 pm

1 stop8h 43m

$237

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 1/20

3:30 pm-6:50 am

1 stop12h 20m

Boston Logan Intl

Sun 1/25

7:15 am-1:56 pm

1 stop9h 41m

$237

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 1/12

1:24 pm-11:46 pm

1 stop7h 22m

Boston Logan Intl

Wed 1/21

12:08 pm-8:58 pm

2 stops11h 50m

$242

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 2/24

6:14 am-11:59 pm

1 stop14h 45m

Boston Logan Intl

Tue 3/3

6:24 pm-11:08 am

1 stop19h 44m

$258

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 1/31

3:30 pm-6:50 am

1 stop12h 20m

Boston Logan Intl

Mon 2/2

5:35 pm-11:58 pm

1 stop9h 23m

$267

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 1/20

1:24 pm-11:46 pm

1 stop7h 22m

Boston Logan Intl

Sun 1/25

10:30 am-8:58 pm

2 stops13h 28m

$278

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Tue 1/13

9:59 am-11:55 pm

2 stops10h 56m

Albany Intl

Tue 1/20

5:00 am-2:18 pm

2 stops12h 18m

$294

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sat 1/24

11:53 am-11:54 pm

1 stop9h 01m

Boston Logan Intl

Wed 1/28

7:00 am-3:08 pm

1 stop11h 08m

$297

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 1/25

5:10 pm-6:05 am

1 stop9h 55m

Boston Logan Intl

Mon 1/26

5:35 pm-11:58 pm

1 stop9h 23m

$297

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 1/30

10:30 pm-10:01 am

1 stop8h 31m

Boston Logan Intl

Mon 2/2

5:35 pm-11:58 pm

1 stop9h 23m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 57 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 $124). Flying from Ontario to Massachusetts in May is currently the most expensive (average of $188). 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 December 17, 2025.

A simple way to save on the total cost of your ticket is to fly from Ontario to Massachusetts in the afternoon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Ontario to Massachusetts?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Massachusetts. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Ontario to Massachusetts flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 17, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,008 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,092 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,049 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
JetBlue
7.2
Good
2,895 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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 9h 01m. The distance between Ontario and Massachusetts is about 2559 mi. This flight may include one or multiple stops.

  • 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 $124). Flying from Ontario to Massachusetts in May is currently the most expensive (average of $188). 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

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Top 6 airlines flying from Ontario to Massachusetts

Discover the top 6 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$178Average$330FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$223Average$322FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$266Average$424FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$278Average$366FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$301Average$415FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$442FlexibilityNo cancel feeOn-time63%

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