$272 Cheap Flights from Ontario (ONT) to Gillette (GCC)

View $272 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Gillette, WY (GCC-Campbell County)

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Cheap Flights from Ontario to Gillette (ONT-GCC)

Prices were available within the past 7 days and start at $272 for one-way flights and $318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Nov 24 - Sun, Dec 7
ONT
Ontario
GCC
Gillette
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 24 from Ontario to Gillette, returning Sun, Dec 7, priced at $318 found 4 days ago
United
Sat, Nov 22 - Thu, Nov 27
ONT
Ontario
GCC
Gillette
$324 Roundtrip, found 8 hours ago
$324
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Nov 22 from Ontario to Gillette, returning Thu, Nov 27, priced at $324 found 8 hours ago
United
Wed, Oct 15 - Sun, Nov 2
ONT
Ontario
GCC
Gillette
$333 Roundtrip, found 4 days ago
$333
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 15 from Ontario to Gillette, returning Sun, Nov 2, priced at $333 found 4 days ago
United
Sat, Oct 11 - Tue, Oct 14
ONT
Ontario
GCC
Gillette
$348 Roundtrip, found 4 days ago
$348
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 11 from Ontario to Gillette, returning Tue, Oct 14, priced at $348 found 4 days ago
United
Thu, Oct 2 - Sat, Oct 4
ONT
Ontario
GCC
Gillette
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 2 from Ontario to Gillette, returning Sat, Oct 4, priced at $358 found 6 days ago
United
Thu, Oct 2 - Sat, Oct 4
ONT
Ontario
GCC
Gillette
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select United flight, departing Thu, Oct 2 from Ontario to Gillette, returning Sat, Oct 4, priced at $364 found 6 days ago
United
Fri, Nov 21 - Sun, Dec 7
ONT
Ontario
GCC
Gillette
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select United flight, departing Fri, Nov 21 from Ontario to Gillette, returning Sun, Dec 7, priced at $369 found 4 days ago
United
Fri, Oct 3 - Mon, Oct 20
ONT
Ontario
GCC
Gillette
$373 Roundtrip, found 4 days ago
$373
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 3 from Ontario to Gillette, returning Mon, Oct 20, priced at $373 found 4 days ago
United
Mon, Nov 10 - Thu, Nov 27
ONT
Ontario
GCC
Gillette
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select United flight, departing Mon, Nov 10 from Ontario to Gillette, returning Thu, Nov 27, priced at $374 found 4 days ago
United
Wed, Oct 1 - Mon, Oct 20
ONT
Ontario
GCC
Gillette
$383 Roundtrip, found 4 days ago
$383
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 1 from Ontario to Gillette, returning Mon, Oct 20, priced at $383 found 4 days ago

Alternative airports near Gillette

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

Select flight to Campbell County GCC. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $333
GCC
Campbell County
CheapestClosest
Average driving time to city center8 min
Flights from $333
Flights from Ontario (ONT) to Gillette (GCC)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Campbell County
Roundtrip price
$318
Distance
957 mi

Ontario to Gillette Flights

The cheapest times to fly from Ontario to Gillette

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

 

The best time to book a flight from Ontario to Gillette

Sunday is one of the best days to book for cheap flights from Ontario to Gillette: 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 Ontario to Gillette

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 Ontario to Gillette in 2025. You can also book with separate airlines for your outbound and return journeys, from $272 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 Ontario to Gillette 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 Ontario to Gillette 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 Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC) cost?
Secure a cheap one-way flight from $272 or cheap return flight from $318 from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC)?
November is the most affordable month to fly from ONT to GCC. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ONT to GCC. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC)?
You'll have to book a flight with a layover when traveling from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from ONT to GCC?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC)?
Choose a flight from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC) last-minute?
Booking your plane ticket from ONT to GCC right before your trip is usually more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ONT to GCC flight and hotel package?
Compared with arranging flights and hotels separately, booking an ONT to GCC flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one place will take the stress out of travel planning. Simply secure your flights and choose from our wide range of stays, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Campbell County Airport (GCC)?
Usually, it's possible to cancel or reschedule your ONT to GCC flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.