$388 Cheap Flights from Moncton (YQM) to Ontario (ONT)

View $388 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Moncton, NB (YQM-Greater Moncton Intl.) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Moncton to Ontario (YQM-ONT)

Prices were available within the past 7 days and start at $388 for one-way flights and $650 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 4 - Wed, Nov 12
YQM
Moncton
ONT
Ontario
$650 Roundtrip, found 6 days ago
$650
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 4 from Moncton to Ontario, returning Wed, Nov 12, priced at $650 found 6 days ago
United
Wed, Sep 17 - Wed, Sep 24
YQM
Moncton
ONT
Ontario
$665 Roundtrip, found 4 days ago
$665
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 17 from Moncton to Ontario, returning Wed, Sep 24, priced at $665 found 4 days ago
United
Tue, Nov 4 - Tue, Nov 11
YQM
Moncton
ONT
Ontario
$669 Roundtrip, found 6 days ago
$669
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 4 from Moncton to Ontario, returning Tue, Nov 11, priced at $669 found 6 days ago
Air Canada
Fri, Sep 19 - Thu, Sep 25
YQM
Moncton
ONT
Ontario
$685 Roundtrip, found 4 days ago
$685
Roundtrip
found 4 days ago
Select Air Canada flight, departing Fri, Sep 19 from Moncton to Ontario, returning Thu, Sep 25, priced at $685 found 4 days ago
United
Wed, Sep 17 - Wed, Sep 24
YQM
Moncton
ONT
Ontario
$688 Roundtrip, found 4 days ago
$688
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 17 from Moncton to Ontario, returning Wed, Sep 24, priced at $688 found 4 days ago
United
Wed, Nov 5 - Wed, Nov 12
YQM
Moncton
ONT
Ontario
$697 Roundtrip, found 6 days ago
$697
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 5 from Moncton to Ontario, returning Wed, Nov 12, priced at $697 found 6 days ago
United
Tue, Nov 4 - Thu, Nov 6
YQM
Moncton
ONT
Ontario
$703 Roundtrip, found 6 days ago
$703
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 4 from Moncton to Ontario, returning Thu, Nov 6, priced at $703 found 6 days ago
United
Tue, Nov 4 - Fri, Nov 7
YQM
Moncton
ONT
Ontario
$710 Roundtrip, found 6 days ago
$710
Roundtrip
found 6 days ago
Select United flight, departing Tue, Nov 4 from Moncton to Ontario, returning Fri, Nov 7, priced at $710 found 6 days ago
United
Wed, Sep 17 - Sun, Sep 21
YQM
Moncton
ONT
Ontario
$717 Roundtrip, found 4 days ago
$717
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 17 from Moncton to Ontario, returning Sun, Sep 21, priced at $717 found 4 days ago
United
Wed, Sep 17 - Wed, Sep 24
YQM
Moncton
ONT
Ontario
$719 Roundtrip, found 4 days ago
$719
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 17 from Moncton to Ontario, returning Wed, Sep 24, priced at $719 found 4 days ago

Alternative airports near Ontario

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Los Angeles - Ontario Intl. ONT. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $766
ONT
Los Angeles - Ontario Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $766
Flights from Moncton (YQM) to Ontario (ONT)
Origin airport
Greater Moncton Intl.
Destination airport
Los Angeles - Ontario Intl.
Roundtrip price
$650
Distance
2860 mi

Moncton to Ontario Flights

The cheapest times to fly from Moncton to Ontario

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Moncton to Ontario are during the month of November. You can find some of the cheapest flights from Moncton to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Moncton to Ontario

Sunday is one of the best days to book for cheap flights from Moncton to Ontario: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Moncton to Ontario

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Moncton to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $388 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Moncton to Ontario flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Moncton to Ontario airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Get a cheap one-way flight from $388 or cheap return flight from $650 from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT)?
November is the cheapest month to fly from YQM to ONT. Timing your trip outside of the busy season is often the key to finding better fares.
What is the cheapest airline that flies from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline that'll fly you from YQM to ONT, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll need to hop on a flight with a layover if you're traveling from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from YQM to ONT?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT)?
Select a flight from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Waiting until just before your departure to book a ticket from YQM to ONT generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Keep your travel schedule open for a better chance of scoring a bargain.
Is it cheaper to book a YQM to ONT flight and hotel package?
Compared with arranging flights and hotels separately, booking a YQM to ONT flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of travel planning. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Greater Moncton Intl. Airport (YQM) to Los Angeles - Ontario Intl. Airport (ONT)?
In most instances, you're able to reschedule or cancel your YQM to ONT flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you want further information, go to our Customer Service portal.

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*Available to One Key members.