HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$102+ Cheap flights from Ontario to Boston (ONT - BOS)

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 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BOS
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Boston with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Ontario to Boston Logan Intl are usually found in January or August, booked 68 days in advance, depart on a Tuesday or Saturday and return on a Monday

Cheap flight deals from Ontario to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Boston (BOS). 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.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

January

Round-trip from

$293
(American Airlines)

One-way from

$102
(Trip.com)
Provider with most accurate pricing for Ontario-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Boston Logan Intl flights.
Search Deals
High demand for flights, 27% potential price rise
Search Deals
Best time to find cheap flights, 32% potential price drop
Search Deals
From Ontario to Boston Logan Intl
Search Deals
One-way flight from Ontario to Boston Logan Intl
Search Deals

Find flight deals from Ontario to Boston

Cheapest flights from Ontario to Boston
Explore the most affordable flight options available from Ontario to Boston. 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 11/19. 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.
Wed 12/2510:02 amONT - BOS
1 stop7h 21mAmerican Airlines
Fri 1/106:06 amBOS - ONT
1 stop8h 52mAmerican Airlines
Deal found 11/19$293
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.
Wed 12/116:00 amONT - BOS
1 stop8h 12mDelta
Sun 12/155:25 amBOS - ONT
1 stop8h 36mDelta
Deal found 11/19$331
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.
Fri 12/67:00 amONT - BOS
1 stop8h 54mAlaska Airlines
Mon 12/97:54 pmBOS - ONT
1 stop20h 04mAlaska Airlines
Deal found 11/19$334
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 12/119:25 amONT - BOS
2 stops9h 10mSouthwest
Sun 12/155:00 amBOS - ONT
1 stop10h 05mSouthwest
Deal found 11/19$372
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.
Tue 12/175:05 amONT - BOS
1 stop7h 40mUnited Airlines
Tue 12/243:15 pmBOS - ONT
1 stop8h 34mUnited Airlines
Deal found 11/20$397

Find flights from Ontario to Boston within your budget

Customize your flight search to find flights from Ontario to Boston 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

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 12/25

10:02 am-8:23 pm

1 stop7h 21m

Boston Logan Intl

Fri 1/10

6:06 am-11:58 am

1 stop8h 52m

$293

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 1/9

11:33 am-11:59 pm

1 stop9h 26m

Boston Logan Intl

Sun 1/12

7:00 am-3:16 pm

1 stop11h 16m

$308

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 1/10

6:00 am-4:48 pm

1 stop7h 48m

Boston Logan Intl

Mon 1/13

9:15 am-8:29 pm

2 stops14h 14m

$313

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 12/11

6:00 am-5:12 pm

1 stop8h 12m

Boston Logan Intl

Sun 12/15

5:25 am-11:01 am

1 stop8h 36m

$331

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 12/11

9:25 am-9:35 pm

2 stops9h 10m

Boston Logan Intl

Sun 12/15

5:00 am-12:05 pm

1 stop10h 05m

$372

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 1/9

6:42 pm-12:00 pm

2 stops14h 18m

$102

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Tue 11/26

6:10 am-3:52 pm

1 stop6h 42m

$139

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Thu 1/9

11:33 am-11:59 pm

1 stop9h 26m

$154

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Wed 12/18

1:25 pm-11:58 pm

1 stop7h 33m

$158

OntarioBoston

ONT - BOS

ONTBOS

Ontario

Fri 2/7

8:30 am-10:15 pm

2 stops10h 45m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 12 results
1
2

Compare providers for flights from Ontario to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Boston in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston 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.

Travel insights for flights from Ontario to Boston

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

How far ahead should I book a flight from Ontario to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Boston. Price data was last updated on November 15, 2024.

Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Ontario to Boston (average of $218). Flying from Ontario to Boston 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 BOS?

Find hourly flight availability from Ontario to Boston. 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.

It’s optimal to fly from Ontario to Boston in the afternoon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Ontario to Boston. Price data was last updated on November 10, 2024.

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

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated November 20, 2024.
See what other customers who have flown with Alaska Airlines, United Airlines and American Airlines from Ontario to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Ontario to Boston round-trip?

    According to our current data, American Airlines ($293), Alaska Airlines ($308), and United Airlines ($313) offers the cheapest pricing from Ontario to Boston. American Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

    $102 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and Alaska Airlines, with prices starting from $139 and $154, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Boston (average of $218). Flying from Ontario to Boston 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Boston

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boston flights
San Francisco to Boston flights
San Diego to Boston flights
Las Vegas to Boston flights
Burbank to Boston flights
Oakland to Boston flights
San Jose to Boston flights
Los Angeles to Hartford flights
San Francisco to Hartford flights
Santa Ana to Boston flights
Sacramento to Boston flights
Ontario to Hartford flights
San Jose to Hartford flights
Los Angeles to Albany flights
San Diego to Hartford flights
Palm Springs to Boston flights
San Francisco to Albany flights
Long Beach to Boston flights
Sacramento to Hartford flights
Santa Ana to Hartford flights
San Diego to Albany flights
Reno to Boston flights
Santa Barbara to Boston flights
Las Vegas to Hartford flights
Burbank to Hartford flights
Fresno to Boston flights
Las Vegas to Albany flights
Las Vegas to Worcester flights
Monterey to Boston flights
Ontario to Albany flights
Santa Barbara to Hartford flights
San Luis Obispo to Boston flights
Santa Barbara to Albany flights
Bakersfield to Boston flights
Palm Springs to Hartford flights
Fresno to Hartford flights
Oakland to Hartford flights
Los Angeles to Worcester flights
San Jose to Albany flights
Sacramento to Albany flights
Santa Rosa to Boston flights
Medford to Boston flights
Reno to Hartford flights
San Francisco to Worcester flights
Santa Ana to Albany flights
Palm Springs to Albany flights
Fresno to Albany flights
Oakland to Albany flights
Bakersfield to Albany flights

Top 6 airlines flying from Ontario to Boston

Discover the top 6 airlines that operate flights from Ontario to Boston. 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$131Average$226FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$191Average$353FlexibilityNo cancel feeOn-time62%
DeltaCheapest$275Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$278Average$481FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$286Average$467FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$288Average$496FlexibilityNo cancel feeOn-time63%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines