S$191 Cheap Flights from Boston to Ontario

View S$191 flight on Wed, 1 Oct, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Boston to Ontario (BOS-ONT)

Prices were available within the past 7 days and start at S$191 for one-way flights and S$426 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$426 Return, found 1 day ago
S$426
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$426 found 1 day ago
American Airlines
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$465 Return, found 1 day ago
S$465
Return
found 1 day ago
Select American Airlines flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$465 found 1 day ago
Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$516 Return, found 1 day ago
S$516
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$516 found 1 day ago
United
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$530 Return, found 1 day ago
S$530
Return
found 1 day ago
Select United flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$530 found 1 day ago
Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$535 Return, found 1 day ago
S$535
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$535 found 1 day ago
American Airlines
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$541 Return, found 1 day ago
S$541
Return
found 1 day ago
Select American Airlines flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$541 found 1 day ago
American Airlines
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$548 Return, found 1 day ago
S$548
Return
found 1 day ago
Select American Airlines flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$548 found 1 day ago
Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$559 Return, found 1 day ago
S$559
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$559 found 1 day ago
Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$562 Return, found 1 day ago
S$562
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$562 found 1 day ago
Delta
Wed, 1 Oct - Wed, 8 Oct
BOS
Boston
ONT
Ontario
S$566 Return, found 1 day ago
S$566
Return
found 1 day ago
Select Delta flight, departing Wed, 1 Oct from Boston to Ontario, returning Wed, 8 Oct, priced at S$566 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to Ontario (ONT)

September is typically the cheapest month to fly

From S$280 - S$615 per traveller.

Graph displaying average flight prices per month

Boston to Ontario route information
Origin airport
Logan Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
American Airlines, Delta, United
Return price
S$426
Distance
4094 km

Perfect flights from Boston to Ontario

Your Journey from Boston to Ontario

Start your unforgettable journey with Expedia. Our broad selection of flights from Boston to Ontario caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Delta, American Airlines, United, Alaska Airlines. Our selection of flights from Logan Intl. to Los Angeles - Ontario Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Boston to Ontario Flights

Experience the joy of finding cheap flights from Logan Intl. to Los Angeles - Ontario Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$191 and roundtrip prices from S$426*.
 

Pre-Flight Essentials

Ensure a smooth journey from Boston to Ontario with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Ontario

Picture yourself stepping off the plane in Ontario and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Boston to Ontario Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Boston to Ontario.
 

Beyond the Flight – Exploring Ontario

With Expedia, your adventure extends beyond the flight. Explore Ontario at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Boston to Ontario with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Boston to Ontario with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

Frequently asked questions

How much is a flight from Logan Intl. Airport to ONT?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from Logan Intl. Airport (BOS) to ONT start from S$426. Book ASAP to get the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Logan Intl. Airport to Ontario Airport?
This can vary from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are easy instructions on how to cancel online.
How do I find cheap flights from BOS to ONT that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to ONT flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to ONT?
With around 4,100 kilometres separating Logan Intl. Airport (BOS) and Los Angeles - Ontario Intl. Airport (ONT), your flight will be a long one. Pack wisely and make your journey comfortable. Simple things like an eye mask and a good travel pillow can make a massive difference.
Which airlines fly direct from BOS to Ontario Airport?
You won't find any airlines operating directly between Logan Intl. Airport (BOS) and Los Angeles - Ontario Intl. Airport (ONT), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip!
Are BOS to ONT flight tickets cheaper when they're purchased at the last minute?
Flight prices are constantly going up and down, so not always. While last-minute flight deals between BOS and Los Angeles - Ontario Intl. Airport (ONT) are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines release their prices up to a year prior to the departure date. Expedia is constantly updating the biggest bargains around, so check back often and be ready to book when the price dips.

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Boston to Los Angeles Intl.
S$271.60
*Available to Expedia members.