Cheap Flights from Renton (RNT) to Ontario (ONT)

Popular airlines from Renton, WA (RNT-Renton Municipal) to Los Angeles - Ontario Intl. Airport (ONT)

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Frequently asked questions

How much does a flight from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT) cost?
Grab a cheap one-way flight or cheap return flight from Renton Municipal Airport (RNT) 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 Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between RNT and ONT. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
You can't fly nonstop from Renton, WA (RNT-Renton Municipal) to Los Angeles - Ontario Intl. Airport (ONT). However, you can easily reach Ontario without any layovers by leaving from Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from RNT to ONT. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
There are no daily nonstop flights from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way before you know it.
What day of the week has the most flights from RNT to ONT?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
To avoid potential delays on the Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT) route, aim to fly before 3 PM. Departures after this hour are 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 Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT) last-minute?
Last-minute bookings from RNT to ONT are typically more expensive. To secure the lowest rates, start searching for flights well in advance. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a RNT to ONT flight and hotel package?
Compared with arranging hotels and flights separately, booking a RNT to ONT flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the stress out of travel planning. Simply secure your flights and select from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Renton Municipal Airport (RNT) to Los Angeles - Ontario Intl. Airport (ONT)?
Typically, you can modify or cancel your RNT to ONT flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
Renton Municipal
Destination airport
Los Angeles - Ontario Intl.
Distance
958 mi

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Renton to Ontario Flights

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

 

The best time to book a flight from Renton to Ontario

Sunday is one of the best days to book for cheap flights from Renton 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 Renton 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 Renton to Ontario in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Renton 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 Renton 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.

 

Renton to Ontario Flights

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*Available to One Key members.