Cheap flights from Ontario to O'ahu from $159
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to O'ahu departing on 9/6. 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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How to get the cheapest flight ticket from Ontario to O'ahu
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 O'ahu?
The month of February is another great option to travel to O'ahu, with average flight prices from Ontario averaging around $356.
What is the cheapest day to depart on your flight to O'ahu?
According to our data, Thursday is the cheapest day to fly to O'ahu from Ontario. The lowest ticket price found for a Thursday departure recently was $452. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Saturday is $541.
What is the cheapest time of day to depart on your flight to O'ahu?
According to our data, the cheapest time of day to fly to O'ahu is in the afternoon. momondo users have found flights departing from Ontario to O'ahu in the afternoon for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $492.
What is the cheapest Ontario to O'ahu flight route?
Fly from Ontario to Honolulu for the best Ontario - O'ahu flight prices
How far in advance should I book a flight to O'ahu?
You are more likely to see cheaper flights to O'ahu from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to O'ahu for around $474 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to O'ahu from Ontario for as low as $408 on momondo.
What cabin class options are available on Ontario to O'ahu flights?
There are 4 cabin classes available to choose from on Ontario to O'ahu 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 Ontario to O'ahu?
Delta, Hawaiian Airlines, and Southwest are the most popular carriers operating from Ontario to O'ahu
What airlines fly to O'ahu?
Hawaiian Airlines, United Airlines and Alaska Airlines are the top three most popular airlines that fly to O'ahu from Ontario according to our data. Hawaiian Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to O'ahu. Keep in mind that there are 6 different airlines that fly to O'ahu on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to O'ahu on average per day?
As of June 2025, there are 2 flights per day flying from Ontario to O'ahu. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.
How many flights depart from Ontario to O'ahu on average per week?
As of June 2025, there are 14 flights per week flying from Ontario to O'ahu. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.
Cheap Ontario to O'ahu flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to O'ahu
When did momondo last update prices for flights from Ontario Airport to O'ahu?
Prices for flights from Ontario Airport to O'ahu are updated daily.
How many operators does momondo search for flights from Ontario Airport to O'ahu?
As of June 2025, there are 6 operators available to choose from for flights from Ontario Airport to O'ahu.
How old do you have to be to fly from Ontario Airport to O'ahu?
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 Ontario Airport to O'ahu.
What documentation or ID do you need to fly to O'ahu?
The required travel and health documents for your O'ahu trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at O'ahu. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ontario to O'ahu?
Based on momondo bookings for flights between Ontario and O'ahu, the leading plane model is Airbus A320neo, making up 16.89% of the total bookings. Other popular models include Airbus A321neo with 12.01%, Boeing 737 MAX 8 with 8.93%, and Boeing 737-800 Passenger/BBJ2 (winglets) with 8.75%.
Best airlines flying from Ontario to O'ahu
Compare and see reviews for airlines that fly from Ontario to O'ahu with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $158 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $239 | Free Cancellation | Rating 7.4 8,838 reviews | |||
| PriceFrom $263 | Free Cancellation | Rating 7.8 2,522 reviews | |||
| PriceFrom $314 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $357 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $397 | Free Cancellation | Rating 8.0 4,276 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to O'ahu?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to O'ahu from Ontario.
Can I find flights from Ontario to O'ahu with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Ontario to O'ahu flights to just show those with flexible booking policies.
How can momondo help me find flights from Ontario to O'ahu?
momondo provides multiple filters to help you find the best flight to O'ahu from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ontario to O'ahu right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Ontario to O'ahu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.