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C$138 Cheap Flights from Boston Logan International to Ontario International

Compare Boston Logan International to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

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Flight deals from Boston Logan International to Ontario International

Looking for a cheap last-minute deal or the best round-trip flight from Boston Logan International to Ontario International? Find the lowest prices on one-way and round-trip tickets right here.
Ontario.C$138 per passenger.Departing Tue., Apr. 14.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Tue., Apr. 14, arriving in Ontario International.Price includes taxes and charges.From C$138, select.
Ontario.C$176 per passenger.Departing Mon., Mar. 16.One-way flight with United.Outbound indirect flight with United, departs from Boston Logan International on Mon., Mar. 16, arriving in Ontario International.Price includes taxes and charges.From C$176, select.
Ontario.C$177 per passenger.Departing Mon., May 4.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Mon., May 4, arriving in Ontario International.Price includes taxes and charges.From C$177, select.
Ontario.C$177 per passenger.Departing Wed., Sep. 9.One-way flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed., Sep. 9, arriving in Ontario International.Price includes taxes and charges.From C$177, select.
Ontario.C$177 per passenger.Departing Wed., Jun. 3.One-way flight with United.Outbound indirect flight with United, departs from Boston Logan International on Wed., Jun. 3, arriving in Ontario International.Price includes taxes and charges.From C$177, select.
Ontario.C$209 per passenger.Departing Wed., Aug. 26.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed., Aug. 26, arriving in Ontario International.Price includes taxes and charges.From C$209, select.
Ontario.C$209 per passenger.Departing Tue., Jul. 28.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue., Jul. 28, arriving in Ontario International.Price includes taxes and charges.From C$209, select.
Ontario.C$210 per passenger.Departing Wed., Oct. 7.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed., Oct. 7, arriving in Ontario International.Price includes taxes and charges.From C$210, select.

Find the cheapest month to fly from Boston Logan International to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Ontario International flights are currently cheapest in April.
Feb.
from C$286
Mar.
from C$176
Apr.
from C$138
May
from C$177
Jun.
from C$177
Jul.
from C$209
Aug.
from C$209
Sep.
from C$177
Oct.
from C$210
Nov.
from C$411
Dec.
from C$411
Jan.
Find prices

Boston Logan International to Ontario International: Alternative routes

Compare routes from Boston Logan International to Ontario below. You may find an airport to fly into that's cheaper, faster, or easier than Ontario International.

Ontario International

4km from central Ontario
Closest
from C$138
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San Bernardino Norton AFB

39km from central Ontario
from C$378
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Santa Ana John Wayne

48km from central Ontario
from C$156
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Long Beach Municipal

54km from central Ontario
from C$182
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Hawthorne

65km from central Ontario
from C$359
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Burbank

67km from central Ontario
from C$171
Search flights

Los Angeles International

71km from central Ontario
Cheapest
from C$123
Search flights

Boston to Ontario: Flight information

The things to know before you go.
Cheapest flight foundC$138
Cheapest month to flyApril

Finding cheap flights from Boston Logan International to Ontario International: Frequently asked questions

The best price we found for a return flight from Boston Logan International to Ontario International is C$315. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boston Logan International to Ontario International. But we found flights with one or more stops from C$315.
As of February 2026, there are no flights flying from Boston Logan International to Ontario International.
The cheapest month to fly from Boston Logan International to Ontario International is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Ontario International Airport on Wednesday, April 15, 2026.
No airlines currently offer direct flights between Boston Logan International Airport and Ontario International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Ontario International.

Traveling from Logan International Airport (BOS) to Ontario International Airport (ONT): what you need to know

  • If you're taking off during a public holiday or other peak period, give yourself more time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • If you prefer a stopover for your flight from Logan International Airport to Ontario International Airport, simply uncheck 'Direct flights only' and check out your options. These are the popular stopovers between BOS and ONT:

    • Denver International Airport

    • Phoenix Sky Harbor International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from Logan International Airport (BOS) to Ontario International Airport (ONT)

  • C$138 is currently the lowest price for a one-way ticket from Logan International Airport to Ontario International Airport. A return flight starts at C$315. These prices may change depending on availability and demand.

  • It's a good idea to book early if you want to find cheap flight tickets from BOS to ONT. That's because airlines change prices based on demand, which tends to increase closer to departure.

  • Finding cheap flight tickets from Logan International Airport to Ontario International Airport is easier if you can be flexible with your dates. Try using the 'Whole month' search function to see the best prices across each month and score a great deal.

  • Getting a cheap ticket from BOS to ONT is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.

  • Play around with filters to find the right journey for you. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Logan International Airport to Ontario International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Logan International Airport (BOS)

  • Traveling from central Boston to Logan International Airport takes about 23 minutes on public transport. If you drive, ride-share or hail a cab, you'll cover the 5 kilometres in 12 minutes or so, depending on traffic.

  • Got an early flight from Logan International Airport to Ontario International Airport? Avoid the stress of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these hotels close to BOS:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • Ontario International Airport is approximately 6 kilometres from central Ontario. With a cab or in your own car rental, the drive is about 10 minutes.

  • Getting there on public transport takes around 1 hour and 28 minutes.

When to fly to Ontario International Airport (ONT)

  • It's time to plan your dates for your flight from Logan International Airport to Ontario International Airport. August is the most popular month to visit Ontario. If you prefer a more relaxed vibe, go in May.

  • Lock in your flight from Logan International Airport to Ontario International Airport for August if you'd like to explore Ontario during its warmest month. You can expect temperatures of between 15ºC and 35ºC.

  • If you want cooler conditions, search for a cheap ticket from BOS to ONT in January. Average temperatures are between 4ºC and 23ºC then.

More about Ontario

Complete your Ontario trip with hotels and a car rental

  • You've booked a cheap ticket to Ontario International Airport — next up is finding a great place to stay, and maybe even a set of wheels. We've compared prices across hundreds of companies to bring you the best hotels and car rental deals in Ontario.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.