฿5,005 Cheap Flights from Boston (BOS) to Ontario (ONT)

View ฿5,005 flight on Tue, 26 May 2026Opens 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 ฿5,005 for one-way flights and ฿9,380 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿9,380 Return, found 5 days ago
฿9,380
Return
found 5 days ago
Select Delta flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿9,380 found 5 days ago
Delta
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿10,670 Return, found 5 days ago
฿10,670
Return
found 5 days ago
Select Delta flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿10,670 found 5 days ago
Delta
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿12,565 Return, found 5 days ago
฿12,565
Return
found 5 days ago
Select Delta flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿12,565 found 5 days ago
American Airlines
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿13,225 Return, found 5 days ago
฿13,225
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿13,225 found 5 days ago
American Airlines
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿13,475 Return, found 5 days ago
฿13,475
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿13,475 found 5 days ago
Delta
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿14,105 Return, found 5 days ago
฿14,105
Return
found 5 days ago
Select Delta flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿14,105 found 5 days ago
American Airlines
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿14,135 Return, found 5 days ago
฿14,135
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿14,135 found 5 days ago
American Airlines
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿14,765 Return, found 5 days ago
฿14,765
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿14,765 found 5 days ago
American Airlines
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿15,020 Return, found 5 days ago
฿15,020
Return
found 5 days ago
Select American Airlines flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿15,020 found 5 days ago
United
Tue, 26 May - Fri, 29 May
BOS
Boston
ONT
Ontario
฿15,210 Return, found 5 days ago
฿15,210
Return
found 5 days ago
Select United flight, departing Tue, 26 May from Boston to Ontario, returning Fri, 29 May, priced at ฿15,210 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 ฿6,696 - ฿12,215 per traveller.
Flight from Boston to Ontario route information
Origin airport
Logan Intl.
Destination airport
Los Angeles - Ontario Intl.
Return price
฿9,380
Distance
4094 km

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 ฿5,005 and roundtrip prices from ฿9,380. 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.

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 ฿9,380. 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.
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