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Uncover the best deals on Boston to Ontario flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BOS - ONT Flights
Useful information for finding best airline tickets from Logan International to Ontario International on your next trip.
Cheapest Round Trip Flight
$622
Southwest Airlines
• 1 stop
• 23h 30m
Jun 27 – Jun 27
The cheapest round trip flight from Boston to Ontario (BOS-ONT-BOS) is currently $622
Cheapest One way Flight
$326
Southwest Airlines
• 1 stop
• 15h 25m
Jun 27
The cheapest one way flight from Boston to Ontario (BOS-ONT) is currently $326
Fastest Flight
13h 30m
The fastest nonstop flight from Boston to Ontario (BOS-ONT) takes 13h 30m
Top Airlines Flying from Boston to Ontario
Latest Flight Deals from Boston (BOS) to Ontario (ONT)
Compare and book low fare round-trip air tickets from Boston to Ontario. Ideal for travelers with confirmed return itineraries.
Jun 27 - Jun 27, Economy
Boston → Ontario
23h 30m
6:40 AM - 5:50 PM • 1 stop
Boston → Ontario
15h 5m
9:45 PM - 9:50 AM • 1 stop
Southwest Airlines
Jun 27 - Jun 27, Economy
Boston → Ontario
14h
12:10 PM - 5:50 PM • 1 stop
Boston → Ontario
15h 5m
9:45 PM - 9:50 AM • 1 stop
Southwest Airlines
Jun 27 - Jun 27, Economy
Boston → Ontario
13h 52m
3:10 PM - 8:42 PM • 1 stop
Boston → Ontario
9h 1m
11:59 PM - 8:40 AM • nonstop
United Airlines
Explore competitive one-way airfare options for BOS - ONT flights. Best suited for flexible or open-ended travel plans.
Flying to Ontario soon? We've surfaced some of the most affordable last-minute flights from Boston to Ontario, ideal for urgent plans or spontaneous trips.
Jun 27 - Jun 27, Economy
Boston → Ontario
23h 30m
6:40 AM - 5:50 PM • 1 stop
Boston → Ontario
15h 5m
9:45 PM - 9:50 AM • 1 stop
Southwest Airlines
Jun 27 - Jun 27, Economy
Boston → Ontario
14h
12:10 PM - 5:50 PM • 1 stop
Boston → Ontario
15h 5m
9:45 PM - 9:50 AM • 1 stop
Southwest Airlines
Jun 27 - Jun 27, Economy
Boston → Ontario
13h 52m
3:10 PM - 8:42 PM • 1 stop
Boston → Ontario
9h 1m
11:59 PM - 8:40 AM • nonstop
United Airlines
FAQs on Boston to Ontario Flights
What are the airports in Boston?
BOS
What’s the most popular airline flying from BOS to ONT?
The most popular airline flying from Boston to Ontario are
Can I fly from BOS to ONT non-stop?
NO
Which airlines fly nonstop between Boston and Ontario?
The non-stop flights between Boston and Ontario are .
What’s the earliest departure time from BOS to ONT Airport?
The earliest flight leaves BOS at 5:20 am and lands in ONT - Ontario International
What are the airports in Ontario?
ONT
Can I make changes to my Boston to Ontario flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BOS to ONT?
Read the fare rules of the Boston to Ontario air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Boston and Ontario?
operate flights between Boston and Ontario
How long does a flight from Boston to Ontario take?
It takes approximately 6 hour to fly non-stop from BOS to ONT, which is 2566.32 miles by air.
Which airlines provide the cheapest flights from Boston (BOS) to Ontario (ONT) ?
In the past couple of days, the cheapest tickets to ONT from BOS were found on AS : USD 767
Do I need a passport to fly between BOS and ONT?
No
What’s the latest departure time from BOS to ONT ?
The last flight leaves BOS at 5:56 pm
Boston (BOS) to Ontario (ONT): Airport Information
| Origin Airport | Logan International, Boston, US |
| Destination Airport | Ontario International , Ontario, US |
| Distance | 2566 miles |
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