$163 Cheap Flights from Grand Rapids (GRR) to Ontario (ONT)

View $163 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Gerald R. Ford International Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)

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Cheap Flights from Grand Rapids to Ontario (GRR-ONT)

Prices were available within the past 7 days and start at $163 for one-way flights and $165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Nov 13 - Sun, Nov 16
GRR
Grand Rapids
ONT
Ontario
$165 Roundtrip, found 17 hours ago
$165
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Grand Rapids to Ontario, returning Sun, Nov 16, priced at $165 found 17 hours ago
Frontier Airlines
Thu, Nov 6 - Sun, Nov 9
GRR
Grand Rapids
ONT
Ontario
$196 Roundtrip, found 10 hours ago
$196
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Grand Rapids to Ontario, returning Sun, Nov 9, priced at $196 found 10 hours ago
Frontier Airlines
Mon, Oct 20 - Sun, Oct 26
GRR
Grand Rapids
ONT
Ontario
$223 Roundtrip, found 3 days ago
$223
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Oct 20 from Grand Rapids to Ontario, returning Sun, Oct 26, priced at $223 found 3 days ago
Southwest Airlines
Sat, Nov 15 - Tue, Nov 18
GRR
Grand Rapids
ONT
Ontario
$230 Roundtrip, found 6 days ago
$230
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Nov 15 from Grand Rapids to Ontario, returning Tue, Nov 18, priced at $230 found 6 days ago
Frontier Airlines
Sun, Nov 2 - Thu, Nov 6
GRR
Grand Rapids
ONT
Ontario
$232 Roundtrip, found 2 days ago
$232
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Sun, Nov 2 from Grand Rapids to Ontario, returning Thu, Nov 6, priced at $232 found 2 days ago
Southwest Airlines
Tue, Oct 7 - Tue, Oct 14
GRR
Grand Rapids
ONT
Ontario
$234 Roundtrip, found 5 days ago
$234
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Tue, Oct 7 from Grand Rapids to Ontario, returning Tue, Oct 14, priced at $234 found 5 days ago
Frontier Airlines
Thu, Oct 16 - Sun, Oct 19
GRR
Grand Rapids
ONT
Ontario
$246 Roundtrip, found 23 hours ago
$246
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Grand Rapids to Ontario, returning Sun, Oct 19, priced at $246 found 23 hours ago
American Airlines
Sat, Oct 25 - Tue, Oct 28
GRR
Grand Rapids
ONT
Ontario
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Grand Rapids to Ontario, returning Tue, Oct 28, priced at $248 found 4 days ago
United
Wed, Oct 8 - Tue, Oct 14
GRR
Grand Rapids
ONT
Ontario
$266 Roundtrip, found 5 days ago
$266
Roundtrip
found 5 days ago
Select United flight, departing Wed, Oct 8 from Grand Rapids to Ontario, returning Tue, Oct 14, priced at $266 found 5 days ago
Delta
Tue, Nov 4 - Wed, Nov 5
GRR
Grand Rapids
ONT
Ontario
$337 Roundtrip, found 8 hours ago
$337
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Nov 4 from Grand Rapids to Ontario, returning Wed, Nov 5, priced at $337 found 8 hours ago

Find the cheapest month to fly from Grand Rapids (GRR) to Ontario (ONT)

October is typically the cheapest month to fly

From $178 - $767 per traveler.

Frequently asked questions

How much does a flight from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Secure a cheap one-way flight from $163 or cheap return flight from $165 from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)?
The cheapest month to fly from GRR to ONT is November, when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)?
To find the cheapest airline that'll fly you from GRR to ONT, use Expedia's filter tool. Customize your search based on what's important to you, 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 Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no daily direct flights departing from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from GRR to ONT?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)?
To reach Los Angeles - Ontario Intl. Airport (ONT) without delays, opt for a flight that leaves from Gerald R. Ford Intl. Airport (GRR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute bookings from GRR to ONT are usually more expensive. To lock in the best rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book a GRR to ONT flight and hotel package?
Compared with arranging hotels and flights separately, booking a GRR to ONT flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Gerald R. Ford Intl. Airport (GRR) to Los Angeles - Ontario Intl. Airport (ONT)?
In most cases, you can cancel or modify your GRR to ONT flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Gerald R. Ford Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$165
Distance
1825 mi

Book with confidence

Book with confidence

Grand Rapids to Ontario Flights

The cheapest times to fly from Grand Rapids 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 Grand Rapids to Ontario are during the month of November. You can find some of the cheapest flights from Grand Rapids to Ontario with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Grand Rapids to Ontario

Sunday is one of the best days to book for cheap flights from Grand Rapids 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 Grand Rapids 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 Grand Rapids to Ontario in 2025. You can also book with separate airlines for your outbound and return journeys, from $163 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 Grand Rapids 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 Grand Rapids 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.

 

Grand Rapids to Ontario Flights

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