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$117+ Cheap flights from Massachusetts to Ontario (ONT)

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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ONT
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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Cheap flight deals from Massachusetts to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Massachusetts (USMA) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Massachusetts to Ontario

Cheapest flights from Massachusetts to Ontario
Explore the most affordable flight options available from Massachusetts to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This American Airlines deal was found by Cheapflights users on 11/18. 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 12/117:25 amBOS - ONT
1 stop9h 28mAmerican Airlines
Wed 12/182:54 pmONT - BOS
1 stop7h 22mAmerican Airlines
Deal found 11/18$318
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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.
Mon 12/97:54 pmBOS - ONT
1 stop20h 04mAlaska Airlines
Wed 12/116:00 amONT - BOS
1 stop30h 13mAlaska Airlines
Deal found 11/19$322
This Kissandfly.com deal was found by Cheapflights users on 11/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:00 amBOS - ONT
1 stop16h 00mMultiple Airlines
Wed 12/181:39 pmONT - BOS
3 stops14h 54mMultiple Airlines
Deal found 11/18$328
This Delta deal was found by Cheapflights users on 11/19. 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 12/161:35 pmBOS - ONT
1 stop9h 10mDelta
Wed 12/255:30 amONT - BOS
1 stop8h 22mDelta
Deal found 11/19$331
This American Airlines deal was found by Cheapflights users on 11/20. 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 12/115:20 amALB - ONT
2 stops11h 33mAmerican Airlines
Sun 12/157:30 pmONT - ALB
2 stops13h 13mAmerican Airlines
Deal found 11/20$363
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/3111:07 amBOS - ONT
2 stops14h 53mUnited Airlines
Fri 1/106:38 pmONT - BOS
1 stop10h 15mUnited Airlines
Deal found 11/19$398
This American Airlines deal was found by Cheapflights users on 11/18. 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 12/175:59 amBDL - ONT
1 stop9h 02mAmerican Airlines
Tue 12/2410:02 amONT - BDL
2 stops22h 25mAmerican Airlines
Deal found 11/18$410
This Delta deal was found by Cheapflights users on 11/20. 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 12/1112:54 pmALB - ONT
1 stop9h 51mDelta
Sun 12/1512:11 pmONT - ALB
1 stop9h 04mDelta
Deal found 11/20$411
This Delta deal was found by Cheapflights users on 11/18. 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 12/175:05 pmBDL - ONT
1 stop8h 57mDelta
Tue 12/2412:55 pmONT - BDL
1 stop7h 42mDelta
Deal found 11/18$416
This Southwest deal was found by Cheapflights users on 11/19. 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 12/47:25 amBOS - ONT
2 stops10h 55mSouthwest
Mon 12/911:30 amONT - BOS
2 stops9h 10mSouthwest
Deal found 11/19$436
This United Airlines deal was found by Cheapflights users on 11/20. 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 12/113:18 pmBDL - ONT
1 stop8h 29mUnited Airlines
Tue 12/175:05 amONT - BDL
1 stop7h 39mUnited Airlines
Deal found 11/20$446
This Southwest deal was found by Cheapflights users on 11/18. 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 12/132:55 pmALB - ONT
2 stops10h 40mSouthwest
Wed 12/189:05 amONT - ALB
2 stops9h 05mSouthwest
Deal found 11/18$496

Find flights from Massachusetts to Ontario within your budget

Customize your flight search to find flights from Massachusetts to Ontario 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 1/8

5:40 pm-11:53 pm

1 stop9h 13m

Ontario

Fri 1/10

7:00 am-8:31 pm

1 stop10h 31m

$308

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 1/13

10:57 am-8:29 pm

2 stops12h 32m

Ontario

Thu 1/30

6:15 am-5:11 pm

1 stop7h 56m

$313

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 2/3

7:00 am-3:11 pm

1 stop11h 11m

Ontario

Wed 2/26

6:00 am-11:59 pm

1 stop14h 59m

$315

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 12/11

7:25 am-1:53 pm

1 stop9h 28m

Ontario

Wed 12/18

2:54 pm-1:16 am

1 stop7h 22m

$318

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Fri 1/10

10:45 am-7:00 pm

2 stops11h 15m

Ontario

Mon 1/13

11:15 am-9:40 pm

1 stop7h 25m

$333

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Sat 1/25

5:43 am-1:51 pm

1 stop11h 08m

Ontario

Sat 2/1

10:56 am-11:03 pm

1 stop9h 07m

$346

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Tue 1/7

5:45 am-11:30 am

1 stop8h 45m

Ontario

Wed 1/15

3:50 pm-1:30 am

1 stop6h 40m

$351

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Sat 1/25

6:07 am-11:50 am

1 stop8h 43m

Ontario

Tue 1/28

7:00 am-5:53 pm

1 stop7h 53m

$356

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Sat 1/11

2:19 pm-10:52 pm

1 stop11h 33m

Ontario

Wed 1/15

1:00 pm-11:56 pm

1 stop7h 56m

$356

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Wed 12/11

5:20 am-1:53 pm

2 stops11h 33m

Ontario

Sun 12/15

7:30 pm-11:43 am

2 stops13h 13m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 33 results
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Best time to book a flight from Massachusetts to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Massachusetts 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.

Travel insights for flights from Massachusetts to Ontario

Get recent, data-driven insights about flights from Massachusetts to Ontario including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Massachusetts to Ontario (average of $236). Flying from Massachusetts to Ontario in December is currently the most expensive (average of $298). 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 MA to ONT?

Find hourly flight availability from Massachusetts to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Massachusetts to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated November 20, 2024.
Read reviews from past customers who have flown American Airlines, Southwest and Delta from Massachusetts to Ontario. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Overall

8.1

Entertainment

7.7

Comfort

8.1

Crew

8.7

Boarding

8.2

Food

7.2

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Ontario. 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 into for flights to Ontario from Massachusetts?

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

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $117. Users have also found prices from $139 and $154 on American Airlines and Delta, respectively.

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

    When deciding which route to take from Massachusetts to Ontario consider Boston Logan Intl - Ontario, Hartford Bradley Intl - Ontario or Albany Intl - Ontario as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to Ontario 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 Massachusetts to Ontario?

    Currently, September is the cheapest month in which you can book a flight from Massachusetts to Ontario (average of $236). Flying from Massachusetts to Ontario in December is currently the most expensive (average of $298). 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.

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Alternative routes for Massachusetts to Ontario

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Top 6 airlines flying from Massachusetts to Ontario

Discover the top 6 airlines that operate flights from Massachusetts to Ontario. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$159Average$282FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$176Average$318FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$362FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$293Average$444FlexibilityNo cancel feeOn-time71%
DeltaCheapest$295Average$437FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$334Average$500FlexibilityNo cancel feeOn-time69%
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