Ontario

$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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ONT
Dec 24 — Dec 311
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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 December 19, 2024.

Round-trip from

$277
(American Airlines)

One-way from

$117
(Trip.com)
From Massachusetts to Ontario
One-way flight from Massachusetts to Ontario

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 December 19, 2024.

This Delta deal was found by Cheapflights users on 12/19. 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.
Tue 12/316:00 amBOS - ONT
1 stop9h 08mDelta
Thu 1/96:00 amONT - BOS
1 stop7h 26mDelta
Deal found 12/19$382
This American Airlines deal was found by Cheapflights users on 12/18. 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 12/258:00 amBOS - ONT
2 stops11h 41mAmerican Airlines
Fri 12/274:25 pmONT - BOS
1 stop10h 08mAmerican Airlines
Deal found 12/18$582
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/236:00 amBOS - ONT
1 stop10h 16mUnited Airlines
Tue 1/76:15 amONT - BOS
1 stop7h 56mUnited Airlines
Deal found 12/18$627
This Southwest deal was found by Cheapflights users on 12/19. 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.
Mon 12/306:45 amBDL - ONT
1 stop12h 45mSouthwest
Fri 1/315:45 amONT - BDL
1 stop11h 20mSouthwest
Deal found 12/19$631
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/307:05 amBDL - ONT
2 stops11h 20mAmerican Airlines
Fri 1/316:10 amONT - BDL
2 stops12h 32mAmerican Airlines
Deal found 12/19$641
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:55 amBOS - ONT
2 stops10h 00mSouthwest
Sat 1/46:15 amONT - BOS
2 stops8h 40mSouthwest
Deal found 12/17$666
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.
Tue 12/242:13 pmALB - ONT
1 stop8h 28mDelta
Sun 12/2911:56 amONT - ALB
1 stop8h 57mDelta
Deal found 12/17$762
This Delta deal was found by Cheapflights users on 12/18. 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.
Mon 12/304:47 pmBDL - ONT
1 stop9h 54mDelta
Sun 1/510:29 pmONT - BDL
1 stop9h 01mDelta
Deal found 12/18$828
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.
Sun 12/222:55 pmBDL - ONT
2 stops11h 05mUnited Airlines
Tue 12/311:42 pmONT - BDL
1 stop7h 04mUnited Airlines
Deal found 12/17$867
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/198:20 pmBOS - ONT
1 stop16h 25mAlaska Airlines
Wed 12/256:00 amONT - BOS
1 stop14h 59mAlaska Airlines
Deal found 12/18$958
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:00 amALB - ONT
2 stops14h 26mUnited Airlines
Sat 1/45:05 amONT - ALB
2 stops13h 39mUnited Airlines
Deal found 12/18$2,235
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:00 amBDL - ONT
2 stops16h 37mAlaska Airlines
Sat 1/46:00 amONT - BDL
2 stops13h 56mAlaska Airlines
Deal found 12/18$2,831

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 2,558,603 searches. Data last updated December 19, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 1/18

6:25 am-11:58 am

1 stop8h 33m

Ontario

Sat 1/25

10:00 am-8:23 pm

1 stop7h 23m

$277

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Sat 1/25

6:15 am-12:26 pm

1 stop9h 11m

Ontario

Fri 1/31

5:10 pm-6:35 am

1 stop10h 25m

$308

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Wed 2/5

9:35 am-6:04 pm

2 stops11h 29m

Ontario

Wed 2/12

10:47 am-11:59 pm

2 stops10h 12m

$318

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Thu 1/23

7:00 am-3:11 pm

1 stop11h 11m

Ontario

Sat 1/25

6:00 am-11:59 pm

1 stop14h 59m

$325

BostonOntario

BOS - ONT

BOSONT

Boston Logan Intl

Mon 1/13

2:05 pm-10:20 pm

1 stop11h 15m

Ontario

Fri 1/17

8:30 am-11:55 pm

1 stop12h 25m

$359

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Thu 1/9

6:20 pm-11:58 pm

1 stop8h 38m

Ontario

Tue 1/14

10:56 am-10:56 pm

1 stop9h 00m

$371

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Thu 1/9

2:24 pm-10:52 pm

1 stop11h 28m

Ontario

Tue 1/14

6:00 am-11:31 pm

2 stops14h 31m

$376

HartfordOntario

BDL - ONT

BDLONT

Hartford Bradley Intl

Tue 2/4

3:22 pm-8:51 pm

1 stop8h 29m

Ontario

Sun 2/9

6:15 am-11:49 pm

2 stops14h 34m

$386

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Sat 5/10

1:05 pm-7:42 pm

1 stop9h 37m

Ontario

Sat 5/17

10:00 pm-11:15 am

2 stops10h 15m

$421

AlbanyOntario

ALB - ONT

ALBONT

Albany Intl

Thu 1/9

5:30 am-1:51 pm

2 stops11h 21m

Ontario

Sun 1/19

11:59 pm-2:05 pm

2 stops11h 06m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 31 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 December 19, 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 December 19, 2024.
Read reviews from past customers who have flown American Airlines, United Airlines and Alaska Airlines 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.
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

8.1
Very good
4,836 reviews
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
9,552 reviews
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

8.0
Very good
8,600 reviews
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

7.4
Good
9,048 reviews
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

Reviews

1 / 10

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

7.2
Good
10,000 reviews
8.1
Very good
4,836 reviews

Food

7.2

Overall

8.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Boarding

8.2

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 $154 and $155 on Alaska Airlines and American Airlines, respectively.

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

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Massachusetts to Ontario

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

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 2,558,603 searches. Data last updated December 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$159Average$282FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$176Average$318FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$286Average$446FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$294Average$460FlexibilityNo cancel feeOn-time71%
DeltaCheapest$294Average$451FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$316Average$484FlexibilityNo cancel feeOn-time69%
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