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Massachusetts

$106+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Mar 25 — Apr 11
Wed 3/25
Wed 4/1
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 February 23, 2026.

This United Airlines deal was found by Cheapflights users on 2/22. 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 3/1711:59 pm
ONT
-
BOS
1 stop7h 50m
United Airlines
Tue 3/245:45 am
BOS
-
ONT
1 stop9h 33m
United Airlines
Deal found 2/22$259
This American Airlines deal was found by Cheapflights users on 2/22. 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 3/1611:58 pm
ONT
-
BOS
1 stop8h 56m
American Airlines
Tue 3/249:36 am
BOS
-
ONT
1 stop9h 46m
American Airlines
Deal found 2/22$260
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 3/1711:58 pm
ONT
-
BOS
1 stop8h 56m
American Airlines
Tue 3/248:26 am
BOS
-
ONT
2 stops10h 56m
American Airlines
Deal found 2/19$264
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 5/17:35 pm
ONT
-
BOS
2 stops10h 52m
American Airlines
Tue 5/56:00 am
BOS
-
ONT
1 stop10h 18m
American Airlines
Deal found 2/20$270
This United Airlines deal was found by Cheapflights users on 2/21. 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 3/126:37 pm
ONT
-
BOS
1 stop10h 36m
United Airlines
Tue 3/175:45 am
BOS
-
ONT
1 stop9h 33m
United Airlines
Deal found 2/21$273
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/1112:02 pm
ONT
-
BOS
1 stop8h 57m
Alaska Airlines
Tue 3/177:00 am
BOS
-
ONT
1 stop11h 08m
Alaska Airlines
Deal found 2/18$276
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/105:02 pm
ONT
-
BOS
1 stop9h 32m
American Airlines
Tue 3/1712:15 pm
BOS
-
ONT
1 stop10h 30m
American Airlines
Deal found 2/20$278
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/1011:58 pm
ONT
-
BOS
2 stops9h 18m
American Airlines
Wed 3/184:04 pm
BOS
-
ONT
1 stop10h 55m
American Airlines
Deal found 2/20$283
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 4/16:49 pm
ONT
-
BOS
1 stop8h 32m
United Airlines
Sun 5/36:00 am
BOS
-
ONT
1 stop9h 22m
United Airlines
Deal found 2/19$289
This Delta deal was found by Cheapflights users on 2/19. 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.
Sat 5/25:59 pm
ONT
-
BOS
1 stop9h 01m
Delta
Tue 5/511:10 am
BOS
-
ONT
1 stop14h 27m
Delta
Deal found 2/19$290
This Delta deal was found by Cheapflights users on 2/22. 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 4/1812:49 pm
ONT
-
ALB
1 stop8h 10m
Delta
Sat 4/251:10 pm
ALB
-
ONT
1 stop8h 23m
Delta
Deal found 2/22$308
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:06 pm
ONT
-
BDL
1 stop13h 24m
Multiple Airlines
Mon 3/238:08 pm
BDL
-
ONT
2 stops44h 20m
Multiple Airlines
Deal found 2/19$311

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 February 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(United Airlines)

One-way from

$106
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$387
Provider with most accurate pricing for Los Angeles-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Boston Logan Intl flights.
Search Deals
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 ($44 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 February 2026
Search Deals

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 February 23, 2026.
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

Wed 4/15

7:00 am-11:59 pm

1 stop13h 59m

Boston Logan Intl

Sat 4/25

3:00 pm-9:00 pm

1 stop9h 00m

$290

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 4/15

7:00 am-6:55 am

1 stop20h 55m

Boston Logan Intl

Fri 4/24

3:00 pm-9:00 pm

1 stop9h 00m

$290

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 4/2

5:09 pm-6:10 am

1 stop10h 01m

Boston Logan Intl

Wed 5/6

12:45 pm-6:33 pm

1 stop8h 48m

$297

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 3/5

11:59 pm-12:56 pm

2 stops9h 57m

Boston Logan Intl

Sun 3/8

5:45 am-11:18 am

1 stop9h 33m

$302

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Sat 4/18

12:49 pm-11:59 pm

1 stop8h 10m

Albany Intl

Sat 4/25

1:10 pm-6:33 pm

1 stop8h 23m

$308

OntarioHartford

ONT - BDL

ONTBDL

Ontario

Thu 3/19

2:06 pm-6:30 am

1 stop13h 24m

Hartford Bradley Intl

Mon 3/23

8:08 pm-1:28 pm

2 stops44h 20m

$311

OntarioAlbany

ONT - ALB

ONTALB

Ontario

Wed 3/25

11:58 pm-1:02 pm

2 stops10h 04m

Albany Intl

Tue 3/31

2:20 pm-7:45 pm

1 stop8h 25m

$317

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 5/4

6:59 pm-8:23 am

1 stop10h 24m

Boston Logan Intl

Sun 5/10

6:00 am-12:22 pm

1 stop9h 22m

$354

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Sun 5/24

5:55 pm-6:20 am

1 stop9h 25m

Boston Logan Intl

Wed 5/27

5:35 am-10:57 am

1 stop8h 22m

$358

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Mon 3/16

10:25 pm-11:28 am

1 stop10h 03m

Boston Logan Intl

Mon 3/23

2:00 pm-9:00 pm

1 stop10h 00m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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2
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6

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, February is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $138). Flying from Ontario to Massachusetts in July 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.

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 February 23, 2026.
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
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
8.0
Very good
4,300 reviews
Southwest
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
8,236 reviews
Southwest
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
9,342 reviews
Southwest
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
11,339 reviews
Southwest
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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
2,898 reviews
Southwest
8.0
Very good
4,300 reviews

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

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 8h 57m. The distance between Ontario and Massachusetts is about 2559 mi. This flight may include one or multiple stops.

  • 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 $93 on Alaska Airlines. Other airlines that offer cheap prices include Southwest from $112 and United Airlines from $129 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, February is the cheapest month in which you can book a flight from Ontario to Massachusetts (average of $138). Flying from Ontario to Massachusetts in July 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.

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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 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 February 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$155Average$319FlexibilityNo cancel feeOn-time62%
DeltaCheapest$178Average$328FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$412FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$258Average$366FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$296Average$405FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$433FlexibilityNo cancel feeOn-time63%

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