฿9,095 Cheap Flights from Boston (BOS) to Ontario (ONT)

View ฿9,095 flight on Sat, 1 Nov 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 (BOS) to Ontario (ONT)

Prices were available within the past 7 days and start at ฿9,095 for one-way flights and ฿17,870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿17,870 Return, found 5 days ago
฿17,870
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿17,870 found 5 days ago
Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿18,695 Return, found 5 days ago
฿18,695
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿18,695 found 5 days ago
Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿18,885 Return, found 5 days ago
฿18,885
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿18,885 found 5 days ago
American Airlines
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿19,350 Return, found 5 days ago
฿19,350
Return
found 5 days ago
Select American Airlines flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿19,350 found 5 days ago
Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿19,570 Return, found 5 days ago
฿19,570
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿19,570 found 5 days ago
Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿20,215 Return, found 5 days ago
฿20,215
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿20,215 found 5 days ago
American Airlines
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿20,330 Return, found 5 days ago
฿20,330
Return
found 5 days ago
Select American Airlines flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿20,330 found 5 days ago
American Airlines
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿20,360 Return, found 5 days ago
฿20,360
Return
found 5 days ago
Select American Airlines flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿20,360 found 5 days ago
Delta
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿20,490 Return, found 5 days ago
฿20,490
Return
found 5 days ago
Select Delta flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿20,490 found 5 days ago
United
Sat, 1 Nov - Mon, 3 Nov
BOS
Boston
ONT
Ontario
฿21,860 Return, found 5 days ago
฿21,860
Return
found 5 days ago
Select United flight, departing Sat, 1 Nov from Boston to Ontario, returning Mon, 3 Nov, priced at ฿21,860 found 5 days ago

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

September is typically the cheapest month to fly

From ฿6,733 - ฿12,431 per traveller.

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 ฿17,870. 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.

Travel information

Origin airport
Logan Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
฿17,870
Distance
4094 km

Book with confidence

Perfect flights from Boston to Ontario

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to Ontario. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Logan Intl. to Los Angeles - Ontario Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿9,095 and roundtrip prices from ฿17,870. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Los Angeles - Ontario Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Ontario.
Perfect flights from Boston to Ontario

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Ontario Airports

Los Angeles

Boston to Los Angeles Intl.
฿6,730.00
*Available to Expedia members.