Cheap flights from Dallas/Fort Worth Airport to Ontario from $37
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/Fort Worth Airport to Ontario departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
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 Dallas/Fort Worth Airport to Los Angeles
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Dallas/Fort Worth Airport to Ontario
Our best Frontier deals on Dallas/Fort Worth Airport to Ontario flight tickets
American Airlines flights from Dallas/Fort Worth Airport to Ontario
Our best American Airlines deals on Dallas/Fort Worth Airport to Ontario flight tickets
See travel insights to Los Angeles from
How to get the cheapest flight ticket from Dallas/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport 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/Fort Worth Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Dallas/Fort Worth to Ontario flight route?
Fly from Dallas/Fort Worth to Ontario for the best Dallas/Fort Worth - 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/Fort Worth Airport when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $214 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/Fort Worth Airport for as low as $168 on momondo.
What cabin class options are available on Dallas/Fort Worth to Ontario flights?
There are 4 cabin classes available to choose from on Dallas/Fort Worth 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/Fort Worth to Ontario?
Frontier, American Airlines, and Delta are the most popular carriers operating from Dallas/Fort Worth 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/Fort Worth Airport according to our data. Frontier is the first choice among our users, with 33% 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/Fort Worth Airport to Ontario on average per day?
As of April 2025, 12 flights take off from Dallas/Fort Worth Airport and land in Ontario each day. The most common flight departure time for this route is 5:00PM, with 44% of daily flights taking off in the afternoon.
How many flights depart from Dallas/Fort Worth Airport to Ontario on average per week?
89 flights are operational weekly from Dallas/Fort Worth Airport to Ontario as of April 2025. The most popular departure day for this route is Thu, with 18% of flights per week taking off on this day.
When to book flights from Dallas/Fort Worth Airport to Ontario
Cheap Dallas/Fort Worth Airport to Ontario (DFW to ONT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to Ontario
How far is Dallas/Fort Worth to Ontario by plane?
Dallas/Fort Worth and Ontario are 1187.9 mi apart from one another. Flights usually cover this in 3h 02m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Dallas/Fort Worth Airport to Ontario Airport?
Prices for flights from Dallas/Fort Worth Airport to Ontario Airport are updated daily.
How many operators does momondo search for flights from Dallas/Fort Worth Airport to Ontario Airport?
There are 5 operators available for flights from Dallas/Fort Worth Airport to Ontario Airport as of April 2025.
How old do you have to be to fly from Dallas/Fort Worth Airport 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 Dallas/Fort Worth Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The required travel and health documents for your Ontario Airport 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 Ontario Airport. 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 Dallas/Fort Worth Airport to Ontario?
Based on momondo bookings for flights between Dallas/Fort Worth Airport and Ontario, the leading plane model is Airbus A321-100/200, making up 28.60% of the total bookings. Other popular models include Airbus A320neo with 15.43%, Airbus A321 (sharklets) with 13.63%, and Airbus A321neo with 11.82%.
What is the most popular airline from Dallas/Fort Worth Airport to Ontario?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Dallas/Fort Worth Airport to Ontario is Frontier (64% of total bookings). The next most popular airlines are American Airlines (30%), Southwest (3%), and Spirit Airlines (2%).
Best airlines flying from Dallas/Fort Worth Airport to Ontario
Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $70 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $89 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $157 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $165 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $210 | Free Cancellation | Rating 8.0 4,280 reviews |
American Airlines Flights From Dallas/Fort Worth Airport to Ontario
American Airlines operates around 36 flights from Dallas/Fort Worth Airport to Ontario every week. The average price of these flights found in the last 72 hours has been $340, but momondo users have found American Airlines deals from Dallas/Fort Worth Airport to Ontario from as low as $165 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.
Frontier Flights From Dallas/Fort Worth Airport to Ontario
Across 3,281 Frontier reviews on momondo, the average score is 6.0/10. Frontier flies from Dallas/Fort Worth Airport to Ontario about 3 times each week, with ticket deals ranging from $70 to $177. Price data is based on momondo searches in the last 72 hours.
Why use momondo?
Why should I use momondo to find a flight deal from Dallas to Ontario?
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 Ontario from Dallas.
Can I find flights from Dallas to Ontario with flexible booking policies on momondo?
All flight searches from Dallas to Ontario on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Dallas to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Dallas.
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.