€127 Cheap Flights Boston to Ontario (BOS-ONT)

View €127 flight on Sat, 9 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 to Ontario (BOS-ONT)

Prices were available within the past 7 days and start at €127 for one-way flights and €254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€254 Return, found 5 days ago
€254
Return
found 5 days ago
Select Delta flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €254 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€284 Return, found 5 days ago
€284
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €284 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€303 Return, found 5 days ago
€303
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €303 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€306 Return, found 5 days ago
€306
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €306 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€315 Return, found 5 days ago
€315
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €315 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€333 Return, found 5 days ago
€333
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €333 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€336 Return, found 5 days ago
€336
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €336 found 5 days ago
United
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€345 Return, found 5 days ago
€345
Return
found 5 days ago
Select United flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €345 found 5 days ago
United
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€349 Return, found 5 days ago
€349
Return
found 5 days ago
Select United flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €349 found 5 days ago
American Airlines
Sat, 25 Apr - Mon, 4 May
BOS
Boston
ONT
Ontario
€354 Return, found 5 days ago
€354
Return
found 5 days ago
Select American Airlines flight, departing Sat, 25 Apr from Boston to Ontario, returning Mon, 4 May, priced at €354 found 5 days ago

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 €254. 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
€254
Distance
4094 km

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