Cheap flights from Ontario to Kailua-Kona from $139
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 Kailua-Kona departing on 3/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to Kailua-Kona
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Ontario to Kailua-Kona
Our best Delta deals on Ontario to Kailua-Kona flight tickets
Alaska Airlines flights from Ontario to Kailua-Kona
Our best Alaska Airlines deals on Ontario to Kailua-Kona flight tickets
See travel insights to Kailua-Kona from
How to get the cheapest flight ticket from Ontario to Kailua-Kona
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 Kailua-Kona?
The cheapest month to fly to Kailua-Kona from Ontario is in April. Flight prices, which tend to average around $316, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Kailua-Kona, with average flight prices from Ontario averaging around $367.
What is the cheapest day to depart on your flight to Kailua-Kona?
The cheapest day to depart on your flight to Kailua-Kona is on a Thursday when prices can be found for as low as $372. This is often the case because there is less demand to fly during this day of the week. 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 Kailua-Kona on Saturday is $459.
What is the cheapest time of day to depart on your flight to Kailua-Kona?
Flying to Kailua-Kona from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $350 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Kailua-Kona is in the evening when prices are around $467.
How far in advance should I book a flight to Kailua-Kona?
You are more likely to see cheaper flights to Kailua-Kona from Ontario when booking 8 weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $415 when searching 8 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from Ontario for as low as $367 on momondo.
What is the cheapest airline that flies from Ontario to Kona Intl?
Southwest, Delta, and Alaska Airlines are the most popular carriers operating from Ontario to Kona Intl
What airlines fly to Kailua-Kona?
Hawaiian Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to Kailua-Kona from Ontario according to our data. Hawaiian Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kailua-Kona. Keep in mind that there are 6 different airlines that fly to Kailua-Kona on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Kailua-Kona
Cheap Ontario to Kailua-Kona (ONT to KOA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Kailua-Kona
How far is Ontario to Kona Intl by plane?
A flight from Ontario to Kona Intl will travel around 2544.2 mi. A reasonable flight in good conditions will take 8h 26m.
When did momondo last update prices for flights from Ontario Airport to Kona Intl Airport?
Prices for flights from Ontario Airport to Kona Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Kona Intl Airport?
As of February 2025, there are 6 operators available to choose from for flights from Ontario Airport to Kona Intl Airport.
How old do you have to be to fly from Ontario Airport to Kona Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to Kona Intl Airport.
What documentation or ID do you need to fly to Kona Intl Airport?
The necessary travel and health documents for your Kona Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to Kailua-Kona?
momondo data reveals that the most frequently booked airline on the route from Ontario to Kailua-Kona is Hawaiian Airlines, representing 36% of all bookings. The subsequent popular airlines are United Airlines at 18%, Alaska Airlines at 15%, and Delta at 13%.
Best airlines flying from Ontario to Kailua-Kona
Compare and see reviews for airlines that fly from Ontario to Kailua-Kona with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $247 | Free Cancellation | Rating 7.4 8,766 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.9 2,317 reviews | |||
| PriceFrom $275 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $277 | Free Cancellation | Rating 8.1 4,411 reviews | |||
| PriceFrom $281 | Free Cancellation | Rating 8.0 8,220 reviews | |||
| PriceFrom $320 | Free Cancellation | Rating 8.0 9,692 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Kailua-Kona?
Finding the right flight to Kailua-Kona from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kailua-Kona quick and easy, saving you time and money.
Can I find flights from Ontario to Kailua-Kona with flexible booking policies on momondo?
All flight searches from Ontario to Kailua-Kona on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Ontario to Kailua-Kona?
Once you have performed a search for Ontario to Kailua-Kona flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to Kailua-Kona right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Kailua-Kona, momondo offers a useful price alert feature which will track prices for flights to Kailua-Kona from Ontario and alert you when they change.