Cheap flights from Oregon to Los Angeles from $58
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Oregon to Los Angeles departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier flights from Oregon to Ontario
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Alaska Airlines flights from Oregon to Ontario
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How to get the cheapest flight ticket from Oregon to Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Ontario?
In general, September is the cheapest month to fly from Oregon to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $118. If you aren’t able to travel during the month of September, then book flights to Ontario from Oregon during August instead. Flights to Ontario in August, while not as cheap as those in September, still average around $140.
What is the cheapest day to depart on your flight to Ontario?
The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $159. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Oregon to Ontario for around $217.
What is the cheapest time of day to depart on your flight to Ontario?
In the afternoon is the cheapest time of day to fly from Oregon to Ontario when you can find flight prices for as low as $161. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $209 on average. Flights to Ontario from Oregon in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Oregon to Ontario flight route?
Fly from Portland to Ontario for the best Oregon - Ontario flight prices
How far in advance should I book a flight to Ontario?
You are more likely to see cheaper flights to Ontario from Oregon when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $211 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Oregon for as low as $150 on momondo.
What cabin class options are available on Oregon to Ontario flights?
There are 3 cabin classes available to choose from on Oregon to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Oregon to Ontario?
Frontier, United Airlines, and Alaska Airlines are the most popular carriers operating from Oregon to Ontario
What airlines fly to Ontario?
Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Ontario from Oregon according to our data. Alaska Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 10 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from Oregon to Ontario on average per day?
7 flights are operational daily from Oregon to Ontario as of June 2025. The most popular departure time for this route is 9:00PM, with 38% of flights per day taking off in the evening.
How many flights depart from Oregon to Ontario on average per week?
The number of flights available between Oregon and Ontario is 53 per week as of June 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
Cheap Oregon to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Oregon to Ontario
When did momondo last update prices for flights from Oregon to Ontario Airport?
Prices for flights from Oregon to Ontario Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Oregon to Ontario Airport?
There are 8 operators available for flights from Oregon to Ontario Airport as of June 2025.
How old do you have to be to fly from Oregon to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oregon to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Oregon to Ontario?
momondo data reveals that the most frequently booked plane model on the route from Oregon to Ontario is Embraer 175, representing 23.15% of all bookings. The subsequent popular models are Boeing 737-900 Passenger/BBJ3 (winglets) at 14.34%, Boeing 737 MAX 8 at 10.36%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 9.60%.
Best airlines flying from Oregon to Ontario
Compare and see reviews for airlines that fly from Oregon to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $57 | Free Cancellation | Rating 5.9 3,297 reviews | |||
| PriceFrom $68 | Free Cancellation | Rating 6.3 8,065 reviews | |||
| PriceFrom $93 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $108 | Free Cancellation | Rating 7.8 2,509 reviews | |||
| PriceFrom $156 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 7.4 8,818 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Oregon to Ontario?
It is quick and easy to find Oregon to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.
Can I find flights from Oregon to Ontario with flexible booking policies on momondo?
Flights from Oregon to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Oregon to Ontario?
momondo helps you find the best flight between Oregon and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Oregon to Ontario right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Oregon to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.