Cheap flights from Boston to Ontario (BOS - ONT)

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The best prices from Boston Logan Intl to Ontario are usually found in September or August, booked 50 days in advance, depart on a Wednesday or Friday and return on a Saturday

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

All the information you need to plan the best BOS to ONT flight in 2022: compare Boston to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.
BOS - ONT
Price
$258 - $502
ONT
Temperature
53.6 - 78.8 °F
ONT
Rainfall
0.1 - 3.4 inches

Popular in

December

High demand for flights, 33% potential price rise

Cheapest in

September

Best time to find cheap flights, 24% potential price drop

Round-trip from

$258

From Boston Logan Intl to Ontario

One-way from

$201

One-way flight from Boston Logan Intl to Ontario

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

Flights from Boston to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Boston to Ontario in July, with the cheapest ticket starting at $103.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 63% on flights from Boston to Ontario by exploring options for tickets in the evening.

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

To save on the cost of your flight from Boston to Ontario, book at least 29 days before your planned departure. Booking around this time can save you about 37% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $291 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $364.

What is the cheapest day to fly round-trip from Boston to Ontario?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 37% on your flight compared to booking on days when demand is much higher.

Cheap flights from Boston to Ontario in May, June 2022

The best prices found for BOS to ONT flights for May, June
2 Jun - 6 Jun
$411pp
BOS
Boston Logan Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
BOS
Boston Logan Intl
14 Jun - 21 Jun
$456pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
1 Jun - 7 Jun
$466pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

Boston Logan Intl to Ontario 2022 flight deals

Cheap flights to Ontario from Boston found for this year
18 Oct - 24 Oct
$278pp
BOS
Boston Logan Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
BOS
Boston Logan Intl
19 Oct - 24 Oct
$297pp
BOS
Boston Logan Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
BOS
Boston Logan Intl
7 Sep - 17 Sep
$318pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Last minute flights from Boston to Ontario

Late deals on round-trip flights to Ontario from Boston, departing today and this week
2 Jun - 6 Jun
$411pp
BOS
Boston Logan Intl
Delta
 
1 STOP
ONT
Ontario
ONT
Ontario
Delta
 
1 STOP
BOS
Boston Logan Intl
1 Jun - 7 Jun
$466pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
31 May - 7 Jun
$467pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Ontario from Boston

The cheapest one-way flights from Boston to Ontario
7:09 am - 3:01 pm
JetBlue
1 Stop
10h 52m
BOS - ONT
JetBlue
4:00 am - 8:15 pm
United Airlines
1 Stop
19h 15m
BOS - ONT
United Airlines
$214
United
9:37 am - 4:31 pm
American Airlines
1 Stop
9h 54m
BOS - ONT
American Airlines

Related info for your journey

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

Flight FAQs

From Boston to Ontario

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

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from Boston Logan Intl to Ontario have implemented new flexible cancellation policies.

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

Yes, there are multiple flights from Boston to Ontario for under $300. The cheapest flight booked recently is on Delta for just $278, but on average you can expect to pay $350.

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

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

How popular is this Boston to Ontario flight route?

The Boston Logan Intl to Ontario flight path was viewed by 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Currently priced at $278, Delta will fly you from Boston to Ontario and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $318 and $328, respectively. Users have found that Delta is 17% cheaper than the other options available to this destination.

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

For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $138. Users have also found prices from $139 and $189 on Delta and JetBlue, respectively.

What are the cheapest flights from Boston to Ontario?

Looking for the cheapest flight from Boston to Ontario? While on average our users pay $1,177, our data indicates the cheapest price to be $192. The most popular route (Boston Logan Intl - Ontario), is priced around $278.

What are the most popular airlines that fly from Boston to Ontario?

Before booking your flight from Boston to Ontario check out the most popular airlines for this route: American Airlines, Alaska Airlines or JetBlue.

COVID Restrictions

View COVID Travel Restrictions for Ontario, CA

Do I need a COVID test to fly to Ontario from Boston?

Information is based on travel restrictions for travel to Ontario within the United States

Most visitors from Boston Logan Intl need to provide a negative COVID-19 test result and/or quarantine to enter Ontario.

COVID-19 testing requirements
Visitors from Boston Logan Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Ontario.

Quarantine requirements
Visitors from Boston Logan Intl are not required to quarantine after entering Ontario.

Do I need a test to fly back to Boston from Ontario?

Returning to Boston Logan Intl from Ontario

COVID-19 testing requirements
Visitors from Ontario must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Boston Logan Intl.

Quarantine requirements
Visitors from Ontario are not required to quarantine after entering Boston Logan Intl.

Hide COVID Travel Restrictions for Ontario, CA

Alternative routes for Boston to Ontario

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

Destination information for Ontario

Things to know before you go - useful duration and weather info for your trip from Boston to Ontario.

Airports servicing Boston

Airports servicing Ontario

Top 5 airlines flying from Boston Logan Intl to Ontario

The chart below displays the airlines Cheapflights users traveling from Boston to Ontario 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
JetBlue
$126 $313 No cancel fee 62%
American Airlines
$234 $515 No cancel fee 71%
Delta
$258 $514 No cancel fee N/A
Alaska Airlines
$279 $544 No cancel fee 75%
United Airlines
$287 $633 No cancel fee 69%
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