$123 Cheap Flights from Ontario (ONT) to Redmond (RDM)

View $123 flight on Wed, Dec 17, 2025Opens in a new window

Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Redmond Municipal Airport (RDM)

Cheap Flights from Ontario to Redmond (ONT-RDM)

Prices were available within the past 7 days and start at $123 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Jan 6 - Sat, Jan 10
ONT
Ontario
RDM
Redmond
$204 Roundtrip, found 1 day ago
$204
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Ontario to Redmond, returning Sat, Jan 10, priced at $204 found 1 day ago
Delta
Fri, Jan 9 - Tue, Jan 13
ONT
Ontario
RDM
Redmond
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 9 from Ontario to Redmond, returning Tue, Jan 13, priced at $205 found 1 day ago
Delta
Sat, Nov 8 - Tue, Nov 11
ONT
Ontario
RDM
Redmond
$210 Roundtrip, found 2 days ago
$210
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, Nov 8 from Ontario to Redmond, returning Tue, Nov 11, priced at $210 found 2 days ago
Alaska Airlines
Sat, Nov 8 - Sat, Nov 15
ONT
Ontario
RDM
Redmond
$213 Roundtrip, found 1 day ago
$213
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Nov 8 from Ontario to Redmond, returning Sat, Nov 15, priced at $213 found 1 day ago
Hawaiian Airlines
Tue, Jan 6 - Sun, Jan 11
ONT
Ontario
RDM
Redmond
$214 Roundtrip, found 1 day ago
$214
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Ontario to Redmond, returning Sun, Jan 11, priced at $214 found 1 day ago
Delta
Tue, Jan 6 - Fri, Jan 9
ONT
Ontario
RDM
Redmond
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Ontario to Redmond, returning Fri, Jan 9, priced at $215 found 1 day ago
Alaska Airlines
Sat, Nov 8 - Sat, Nov 15
ONT
Ontario
RDM
Redmond
$222 Roundtrip, found 1 day ago
$222
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Nov 8 from Ontario to Redmond, returning Sat, Nov 15, priced at $222 found 1 day ago
Alaska Airlines
Sat, Nov 8 - Sat, Nov 15
ONT
Ontario
RDM
Redmond
$223 Roundtrip, found 1 day ago
$223
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Nov 8 from Ontario to Redmond, returning Sat, Nov 15, priced at $223 found 1 day ago
American Airlines
Sat, Dec 6 - Mon, Dec 8
ONT
Ontario
RDM
Redmond
$257 Roundtrip, found 20 hours ago
$257
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Sat, Dec 6 from Ontario to Redmond, returning Mon, Dec 8, priced at $257 found 20 hours ago
United
Mon, Dec 8 - Sat, Dec 13
ONT
Ontario
RDM
Redmond
$257 Roundtrip, found 1 hour ago
$257
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Dec 8 from Ontario to Redmond, returning Sat, Dec 13, priced at $257 found 1 hour ago

Find the cheapest month to fly from Ontario (ONT) to Redmond (RDM)

January is typically the cheapest month to fly

From $201 - $465 per traveler.

Alternative airports near Redmond

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

Select flight to Robert's Field RDM. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $393
RDM
Robert's Field
CheapestClosest
Average driving time to city center4 min
Flights from $393

Frequently asked questions

How much does a flight from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM) cost?
Grab a cheap one-way flight from $123 or cheap return flight from $204 from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
Planning your trip for January is a good way to save, as it's the cheapest month for flights between ONT and RDM. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
Although Ontario, CA (ONT-Los Angeles - Ontario Intl.) doesn't have any direct flights to Robert's Field Airport (RDM), other airports have nonstop routes. Taking off from Los Angeles Intl. Airport (LAX) will get you to Redmond without any detours.
What is the cheapest airline that flies from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
To find the cheapest airline flying from ONT to RDM, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
Direct flights from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ONT to RDM?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change depending on the time of year, carrier 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 Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
Choose a flight from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM) last-minute?
Booking your plane ticket from ONT to RDM shortly before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book an ONT to RDM flight and hotel package?
Booking an ONT to RDM flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Los Angeles - Ontario Intl. Airport (ONT) to Robert's Field Airport (RDM)?
If you reserved your ONT to RDM flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Origin airport
Los Angeles - Ontario Intl.
Destination airport
Robert's Field
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$204
Distance
729 mi

Book with confidence

Ontario to Redmond Flights

The cheapest times to fly from Ontario to Redmond

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

 

The best time to book a flight from Ontario to Redmond

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

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 Redmond in 2025. You can also book with separate airlines for your outbound and return journeys, from $123 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 Redmond 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 Redmond 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.

 

Ontario to Redmond Flights

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*Available to One Key members.