Cheap flights from Ontario to Boston (ONT - BOS)

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The best prices from Ontario to Boston are usually found in February or August, booked 37 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
Ontario (ONT) to Boston (BOS)

All the information you need to plan the best ONT to BOS flight in 2021: compare Ontario to Boston flight prices with the expected peak season, weather and rainfall in Boston.
ONT - BOS
Price
$254 - $495
BOS
Temperature
39.2 - 84.2 °F
BOS
Rainfall
2.8 - 3.9 inches

Popular in

December

High demand for flights, 34% potential price rise

Cheapest in

February

Best time to find cheap flights, 22% potential price drop

Round-trip from

$254

From Ontario to Boston

One-way from

$171

One-way flight from Ontario to Boston

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ontario to Boston?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

Find a great deal and save up to 25% by booking at least 20 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Boston within the next two weeks, with the cheapest ticket starting at $185.

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

Our data shows that August tends to be the cheapest month to fly to Boston from Ontario. Users have commonly found prices around $206 for the month, but tickets can be as low as $50. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Ontario to Boston (ONT - BOS)?

When flying from Ontario to Boston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the morning.

Cheap flights from Ontario to Boston in June, July 2021

The best prices found for ONT to BOS flights for June, July
28 Jul - 10 Aug
$305pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
ONT
Ontario
28 Jul - 10 Aug
$308pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
   
2 STOPS
ONT
Ontario
28 Jul - 3 Aug
$315pp
ONT
Ontario
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Frontier
   
2 STOPS
ONT
Ontario

Ontario to Boston 2021 flight deals

Cheap flights to Boston from Ontario found for this year
18 Oct - 23 Oct
$242pp
ONT
Ontario
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ONT
Ontario
18 Oct - 27 Oct
$243pp
ONT
Ontario
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ONT
Ontario
21 Sep - 24 Sep
$245pp
ONT
Ontario
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ONT
Ontario

Last minute flights from Ontario to Boston

Late deals on round-trip flights to Boston from Ontario, departing today and this week
22 Jun - 25 Jun
$402pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
ONT
Ontario
22 Jun - 30 Jun
$407pp
ONT
Ontario
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
ONT
Ontario
22 Jun - 30 Sep
$411pp
ONT
Ontario
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ONT
Ontario

One-way flights to Boston from Ontario

The cheapest one-way flights from Ontario to Boston
7:29 pm - 5:04 am
Frontier
1 Stop
30h 35m
ONT - BOS
Frontier
$171
Kiwi.com
2:12 pm - 3:26 am
United Airlines
1 Stop
10h 14m
ONT - BOS
United Airlines
$173
United
8:45 pm - 9:50 am
American Airlines
1 Stop
10h 05m
ONT - BOS
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ontario</span> to <span class="emphasized">Boston</span> flights.

Flight FAQs

From Ontario to Boston

Are flight prices decreasing from Ontario to Boston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Ontario and Boston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Ontario to Boston Logan Intl to control the spread of COVID-19?

New policies can now be found on Alaska Airlines to help keep travelers safe while flying. New policies for travelers booking flights from Ontario to Boston Logan Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from Ontario to Boston Logan Intl have flexible cancellations due to COVID-19?

American Airlines, United Airlines, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ontario to Boston for under $300 on Cheapflights?

Yes, there are multiple flights from Ontario to Boston for under $300. The cheapest flight booked recently is on American Airlines for just $242, but on average you can expect to pay $275.

Are there nonstop flights from Ontario to Boston for under $200 on Cheapflights?

There are no nonstop flights from Ontario to Boston, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Ontario to Boston for under $500?

There are currently 20+ open flights from Ontario to Boston within the next 7 days for less than $500.

What days are nonstop flights available from Ontario to Boston?

Days when nonstop flights are available for this flight are: Monday, Thursday, Saturday.

How popular is this flight route?

The Ontario to Boston Logan Intl flight path was viewed by 522 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Does it rain more in Ontario or Boston?

In Ontario, there will be less rainfall in Ontario compared to Boston over the next 2 days.

Is Ontario weather warmer or cooler than Boston?

With an average temperature of 95 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Boston are colder than in Ontario.

How long is the flight from Ontario to Boston?

American Airlines, United Airlines, and Alaska Airlines can get you from Ontario to Boston in just under 7h 59m. Your travel time can differ by up to 45m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $242, American Airlines will fly you from Ontario to Boston and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Alaska Airlines - these airlines can fly you to your destination from $276 and $300, respectively. You may be able to fly from Ontario to Boston for 26% less than the average price by searching for these airlines.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $123. Users have also found prices from $140 and $147 on American Airlines and Frontier, respectively.

Alternative routes for Ontario to Boston

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

Destination information for Boston

Things to know before you go - useful duration and weather info for your trip from Ontario to Boston.
Average temperature for June in Boston
78.8 °F
Avg rainfall for June in Boston
3.1 ″

Airports servicing Ontario

Airports servicing Boston

Top 6 airlines flying from Ontario to Boston

The chart below displays the airlines Cheapflights users traveling from Ontario to Boston choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$130 $280 No cancel fee 75%
Frontier
$158 $301 No cancel fee 62%
Delta
$110 $366 No cancel fee N/A
United Airlines
$137 $366 No cancel fee 69%
JetBlue
$184 $389 No cancel fee 62%
American Airlines
$171 $476 No cancel fee 71%
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