Cheap Flight Tickets from Boston (BOS) to Ontario (ONT), Starting at $133

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

$366

WN Southwest Airlines • 1 stop • 13h 40m

Dec 21 – Dec 27

The cheapest round trip flight from Boston to Ontario (BOS-ONT-BOS) is currently $366

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Fastest Flight

13h 25m

The fastest nonstop flight from Boston to Ontario (BOS-ONT) takes 13h 25m

Top Airlines Flying from Boston to Ontario

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

Alaska Airlines -AS

Alaska Airlines

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.

Dec 21 - Dec 27, Economy
WN
Boston → Ontario
13h 40m
5:10 PM - 10:30 PM • 1 stop
WN
Boston → Ontario
10h 55m
6:20 AM - 4:15 PM • 1 stop
$366
Southwest Airlines
Dec 21 - Dec 27, Economy
WN
Boston → Ontario
25h 5m
10:25 AM - 10:30 PM • 1 stop
WN
Boston → Ontario
10h 55m
6:20 AM - 4:15 PM • 1 stop
$366
Southwest Airlines
Dec 21 - Dec 27, Economy
DL
Boston → Ontario
15h 50m
1:45 PM - 8:35 PM • 1 stop
DL
Boston → Ontario
8h 42m
6:35 AM - 2:57 PM • nonstop
$370
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Boston → Ontario
13h 35m
6:44 PM - 11:59 PM • 1 stop
DL
Boston → Ontario
8h 42m
6:35 AM - 2:57 PM • nonstop
$370
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Boston → Ontario
18h 55m
12:00 PM - 8:35 PM • 1 stop
DL
Boston → Ontario
8h 42m
6:35 AM - 2:57 PM • nonstop
$370
Delta Airlines
Dec 21 - Dec 27, Economy
DL
Boston → Ontario
14h
10:30 AM - 4:10 PM • 1 stop
DL
Boston → Ontario
8h 42m
6:35 AM - 2:57 PM • nonstop
$370
Delta Airlines

Fly from Boston to Ontario with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Boston to Ontario? Find the biggest savings on one-way and round-trip tickets right here.

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 5:30 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 DL : USD 370
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 6:50 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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