S$295 Cheap Flights from Ontario to Boston

View S$295 flight on Tue, 21 Oct, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Ontario to Boston (ONT-BOS)

Prices were available within the past 7 days and start at S$295 for one-way flights and S$1,026 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,026 Return, found 4 days ago
S$1,026
Return
found 4 days ago
Select American Airlines flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,026 found 4 days ago
United
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,032 Return, found 4 days ago
S$1,032
Return
found 4 days ago
Select United flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,032 found 4 days ago
American Airlines
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,057 Return, found 4 days ago
S$1,057
Return
found 4 days ago
Select American Airlines flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,057 found 4 days ago
United
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,070 Return, found 4 days ago
S$1,070
Return
found 4 days ago
Select United flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,070 found 4 days ago
American Airlines
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,129 Return, found 4 days ago
S$1,129
Return
found 4 days ago
Select American Airlines flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,129 found 4 days ago
American Airlines
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,134 Return, found 4 days ago
S$1,134
Return
found 4 days ago
Select American Airlines flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,134 found 4 days ago
United
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,137 Return, found 4 days ago
S$1,137
Return
found 4 days ago
Select United flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,137 found 4 days ago
American Airlines
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,160 Return, found 4 days ago
S$1,160
Return
found 4 days ago
Select American Airlines flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,160 found 4 days ago
United
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,174 Return, found 4 days ago
S$1,174
Return
found 4 days ago
Select United flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,174 found 4 days ago
Delta
Tue, 25 Nov - Sun, 30 Nov
ONT
Ontario
BOS
Boston
S$1,365 Return, found 4 days ago
S$1,365
Return
found 4 days ago
Select Delta flight, departing Tue, 25 Nov from Ontario to Boston, returning Sun, 30 Nov, priced at S$1,365 found 4 days ago

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

September is typically the cheapest month to fly

From S$251 - S$421 per traveller.

Frequently asked questions

How much is a flight from Ontario Airport to Logan Intl. Airport (BOS)?
Based on airfares listed within the last 7 days on Expedia for flights departing within the next year, round-trip flights between Ontario Airport and BOS start from S$1,026. Make your booking today to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ONT to Logan Intl. Airport?
We understand that life can throw the odd curveball, so we've made it as easy as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to Logan Intl. Airport 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 ONT to Logan Intl. Airport (BOS) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to BOS?
The distance is around 4,100 kilometres. Travel pillow? Check. Warm clothes? Double check. We recommend you pack all the travel comforts for this long-haul Ontario to Boston flight.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Logan Intl. Airport?
Unfortunately, there aren't any airlines that directly fly between Los Angeles - Ontario Intl. Airport (ONT) and Logan Intl. Airport (BOS). You'll need to book a flight with one or more stops.
Are ONT to Logan Intl. Airport (BOS) flight tickets cheaper when they're purchased at the last minute?
Booking last minute from ONT to Logan Intl. Airport (BOS) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out altogether! If you'd rather start planning your trip early, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines advertise their prices that far in advance. Our advice? Check back often as updates are made regularly.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Logan Intl.
Return price
S$1,026
Distance
4094 km

Book with confidence

Perfect flights from Ontario to Boston

Your Journey from Ontario to Boston

Start your unforgettable journey with Expedia. Our broad selection of flights from Ontario to Boston 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 Los Angeles - Ontario Intl. to Logan 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 Ontario to Boston Flights

Experience the joy of finding cheap flights from Los Angeles - Ontario Intl. to Logan Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$295 and roundtrip prices from S$1,026*.
 

Pre-Flight Essentials

Ensure a smooth journey from Ontario to Boston 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 Boston

Picture yourself stepping off the plane in Boston 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 Ontario to Boston 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 Ontario to Boston.
 

Beyond the Flight – Exploring Boston

With Expedia, your adventure extends beyond the flight. Explore Boston 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 Ontario to Boston 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 Ontario to Boston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Ontario to Boston

Explore a world of travel with Expedia

Ontario Airports

Los Angeles

Los Angeles Intl. to Boston
S$280.80
*Available to Expedia members.