￥21,990 Cheap Flights from Boston (BOS) to Ontario (ONT)

View ￥21,990 flight on Sat, Jan 31, 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 ￥21,990 for one-way flights and ￥43,870 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Nov 15 - Tue, Nov 18
BOS
Boston
ONT
Ontario
￥43,870 Roundtrip, found 5 days ago
￥43,870
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Boston to Ontario, returning Tue, Nov 18, priced at ￥43,870 found 5 days ago
Delta
Fri, Dec 5 - Sat, Dec 13
BOS
Boston
ONT
Ontario
￥43,970 Roundtrip, found 6 days ago
￥43,970
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Dec 5 from Boston to Ontario, returning Sat, Dec 13, priced at ￥43,970 found 6 days ago
Delta
Fri, Oct 31 - Sat, Nov 8
BOS
Boston
ONT
Ontario
￥44,290 Roundtrip, found 2 days ago
￥44,290
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from Boston to Ontario, returning Sat, Nov 8, priced at ￥44,290 found 2 days ago
Delta
Fri, Oct 31 - Thu, Nov 6
BOS
Boston
ONT
Ontario
￥44,400 Roundtrip, found 1 hour ago
￥44,400
Roundtrip
found 1 hour ago
Select Delta flight, departing Fri, Oct 31 from Boston to Ontario, returning Thu, Nov 6, priced at ￥44,400 found 1 hour ago
Delta
Sun, Nov 9 - Wed, Nov 12
BOS
Boston
ONT
Ontario
￥48,390 Roundtrip, found 5 days ago
￥48,390
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Nov 9 from Boston to Ontario, returning Wed, Nov 12, priced at ￥48,390 found 5 days ago
Delta
Mon, Nov 24 - Thu, Nov 27
BOS
Boston
ONT
Ontario
￥48,810 Roundtrip, found 3 days ago
￥48,810
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Nov 24 from Boston to Ontario, returning Thu, Nov 27, priced at ￥48,810 found 3 days ago
Delta
Sat, Nov 15 - Tue, Nov 18
BOS
Boston
ONT
Ontario
￥49,890 Roundtrip, found 5 days ago
￥49,890
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Nov 15 from Boston to Ontario, returning Tue, Nov 18, priced at ￥49,890 found 5 days ago
Delta
Tue, Nov 4 - Sat, Nov 8
BOS
Boston
ONT
Ontario
￥50,420 Roundtrip, found 2 days ago
￥50,420
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Nov 4 from Boston to Ontario, returning Sat, Nov 8, priced at ￥50,420 found 2 days ago
Delta
Tue, Dec 2 - Fri, Dec 12
BOS
Boston
ONT
Ontario
￥50,520 Roundtrip, found 1 hour ago
￥50,520
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Dec 2 from Boston to Ontario, returning Fri, Dec 12, priced at ￥50,520 found 1 hour ago
United
Tue, Nov 4 - Sat, Nov 8
BOS
Boston
ONT
Ontario
￥50,640 Roundtrip, found 2 days ago
￥50,640
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 4 from Boston to Ontario, returning Sat, Nov 8, priced at ￥50,640 found 2 days ago

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

August is typically the cheapest month to fly

From ￥31,438 - ￥55,749 per traveler.

Frequently asked questions

How much is a flight from Logan Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
The lowest price advertised for a round-trip flight between Logan Intl. Airport (BOS) and Ontario Airport is ￥43,870. But you better get moving. This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to ONT?
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 BOS to Ontario 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 Logan Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT) flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from Logan Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
There are plenty of ways to make the 8 hours and 38 minutes between Logan Intl. Airport (BOS) and Ontario Airport fly by. If you want to be productive, sort through your camera roll or clear out all those unwanted emails. A good snooze also helps pass the time!
How far is the flight from Logan Intl. Airport to Los Angeles - Ontario Intl. Airport (ONT)?
Boston to Ontario is around 4,100 kilometers, so get ready to spend a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Toss in a couple of snacks to munch on throughout your trip too.
Which airlines fly direct from BOS to Los Angeles - Ontario Intl. Airport (ONT)?
If you want to fly straight from Logan Intl. Airport (BOS) to Los Angeles - Ontario Intl. Airport (ONT), you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Logan Intl. Airport to Ontario Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so it's no sure thing. While last-minute deals between Logan Intl. Airport and ONT are of course possible, it's also a good idea to monitor prices well before you fly. In fact, some air carriers publicize their prices up to 12 months ahead of the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to pounce when fare prices drop.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
￥43,870
Distance
4094 km

Book with confidence

Book with confidence

Boston to Ontario Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Boston to will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Ontario.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with BOS to ONT flights that won’t make your bank account wince. Ready to temporarily leave behind Boston for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to ONT with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Boston to Ontario Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

Ontario nearby Airports

Los Angeles

Boston to Los Angeles Intl.
￥29,270

Orange County

Boston to John Wayne
￥43,870
Boston nearby Airports

Providence

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