Cheap flights from Dallas to Ontario from $38
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Ontario departing on 5/6. 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 Dallas 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 Dallas to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $143. If you aren’t able to travel during the month of September, then book flights to Ontario from Dallas during February instead. Flights to Ontario in February, while not as cheap as those in September, still average around $150.
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 $185. 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 Dallas to Ontario for around $300.
What is the cheapest time of day to depart on your flight to Ontario?
In the evening is the cheapest time of day to fly from Dallas to Ontario when you can find flight prices for as low as $186. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $231 on average. Flights to Ontario from Dallas at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Dallas to Ontario flight route?
Fly from Dallas/Fort Worth to Ontario for the best Dallas - 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 Dallas when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $215 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Dallas for as low as $168 on momondo.
What cabin class options are available on Dallas to Ontario flights?
There are 4 cabin classes available to choose from on Dallas 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 Dallas to Ontario?
Frontier, American Airlines, and Southwest are the most popular carriers operating from Dallas to Ontario
What airlines fly to Ontario?
Frontier, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Ontario from Dallas according to our data. Frontier is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 7 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 Dallas to Ontario on average per day?
As of April 2025, there are 13 flights per day flying from Dallas to Ontario. The most common time of day flights depart is 8:00PM, with 44% of flights taking off in the afternoon.
How many flights depart from Dallas to Ontario on average per week?
94 flights are operational weekly from Dallas to Ontario as of April 2025. The most popular departure day for this route is Tue, with 17% of flights per week taking off on this day.
Cheap Dallas to Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dallas to Ontario
How far is Dallas to Ontario by plane?
The straight-line distance from Dallas to Ontario is 1202.4 mi. Flights usually cover this in 3h 00m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dallas to Ontario Airport?
Prices for flights from Dallas to Ontario Airport were last updated today.
How many operators does momondo search for flights from Dallas to Ontario Airport?
As of April 2025, there are 5 operators available to choose from for flights from Dallas to Ontario Airport.
How old do you have to be to fly from Dallas to Ontario 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 Dallas to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Dallas to Ontario
Compare and see reviews for airlines that fly from Dallas to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $70 | Free Cancellation | Rating 5.9 3,283 reviews | |||
| PriceFrom $89 | Free Cancellation | Rating 6.3 7,940 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $210 | Free Cancellation | Rating 8.0 4,287 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Dallas to Ontario?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dallas to Ontario. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Dallas to Ontario with flexible booking policies on momondo?
Flights from Dallas 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 Dallas to Ontario?
Once you have performed a search for Dallas to Ontario 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 Dallas to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from Dallas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.