Cheap flights from Ontario to Dallas from $74
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 Dallas departing on 8/5. 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 Ontario to Dallas
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Frontier flights from Ontario to Dallas/Fort Worth Airport
Our best Frontier deals on Ontario to Dallas/Fort Worth Airport flight tickets
Delta flights from Ontario to Dallas/Fort Worth Airport
Our best Delta deals on Ontario to Dallas/Fort Worth Airport flight tickets
See travel insights to Dallas from
How to get the cheapest flight ticket from Ontario to Dallas/Fort Worth Airport
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 Dallas/Fort Worth Airport?
The cheapest month to fly to Dallas/Fort Worth Airport from Ontario is in April. Flight prices, which tend to average around $178, are often lower during this time because this is during the off-season. If you’re not able to fly to Dallas/Fort Worth Airport in April, then August is your next best option. Flight prices from Ontario to Dallas/Fort Worth Airport during August average around $189.
What is the cheapest day to depart on your flight to Dallas/Fort Worth Airport?
On average, the least expensive day to fly to Dallas/Fort Worth Airport from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $337. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to Dallas/Fort Worth Airport for around $447.
What is the cheapest time of day to depart on your flight to Dallas/Fort Worth Airport?
Flying to Dallas/Fort Worth Airport from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $308 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $411 on average. Flights to Dallas/Fort Worth Airport from Ontario in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Ontario to Dallas/Fort Worth flight route?
Fly from Ontario to Dallas/Fort Worth for the best Ontario - Dallas/Fort Worth flight prices
How far in advance should I book a flight to Dallas/Fort Worth Airport?
You are more likely to see cheaper flights to Dallas/Fort Worth Airport from Ontario when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Dallas/Fort Worth Airport for around $235 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas/Fort Worth Airport from Ontario for as low as $196 on momondo.
What cabin class options are available on Ontario to Dallas/Fort Worth flights?
There are 4 cabin classes available to choose from on Ontario to Dallas/Fort Worth 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 Dallas/Fort Worth?
Frontier, American Airlines, and Alaska Airlines are the most popular carriers operating from Ontario to Dallas/Fort Worth
What airlines fly to Dallas/Fort Worth Airport?
American Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to Dallas/Fort Worth Airport from Ontario according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Dallas/Fort Worth Airport. Keep in mind that there are 7 different airlines that fly to Dallas/Fort Worth Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to Dallas/Fort Worth Airport on average per day?
The number of flights available between Ontario and Dallas/Fort Worth Airport is 18 per day as of June 2025. The most frequent departure time is 10:00AM, with 47% of daily flights leaving at noon.
How many flights depart from Ontario to Dallas/Fort Worth Airport on average per week?
As of June 2025, 128 flights take off from Ontario and land in Dallas/Fort Worth Airport each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Ontario to Dallas/Fort Worth Airport
Cheap Ontario to Dallas/Fort Worth Airport (ONT to DFW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Dallas/Fort Worth Airport
How far is Ontario to Dallas/Fort Worth by plane?
There are 1187.9 mi between Ontario and Dallas/Fort Worth. Typically, this will take 2h 58m by plane in normal conditions.
When did momondo last update prices for flights from Ontario Airport to Dallas/Fort Worth Airport?
Prices for flights from Ontario Airport to Dallas/Fort Worth Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Dallas/Fort Worth Airport?
The number of operators available for flights from Ontario Airport to Dallas/Fort Worth Airport is 6 as of June 2025.
How old do you have to be to fly from Ontario Airport to Dallas/Fort Worth 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 Ontario Airport to Dallas/Fort Worth Airport.
What documentation or ID do you need to fly to Dallas/Fort Worth Airport?
The travel and health documents required for your trip to Dallas/Fort Worth 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 Dallas/Fort Worth Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Ontario to Dallas/Fort Worth Airport?
momondo data reveals that the most frequently booked plane model on the route from Ontario to Dallas/Fort Worth Airport is Airbus A321neo, representing 18.11% of all bookings. The subsequent popular models are Airbus A321-100/200 at 16.84%, Airbus A320neo at 15.36%, and Boeing 737-800 at 6.78%.
What is the most popular airline from Ontario to Dallas/Fort Worth Airport?
momondo data reveals that the most frequently booked airline on the route from Ontario to Dallas/Fort Worth Airport is Frontier, representing 59% of all bookings. The subsequent popular airlines are American Airlines at 35%, Southwest at 4%, and Spirit Airlines at 1%.
Best airlines flying from Ontario to Dallas/Fort Worth Airport
Compare and see reviews for airlines that fly from Ontario to Dallas/Fort Worth Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $76 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $203 | Free Cancellation | Rating 8.0 4,287 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 8.0 10,000 reviews |
American Airlines Flights From Ontario to Dallas/Fort Worth Airport
American Airlines operates around 41 flights from Ontario to Dallas/Fort Worth Airport every week. The average price of these flights found in the last 72 hours has been $344, but momondo users have found American Airlines deals from Ontario to Dallas/Fort Worth Airport from as low as $181 round-trip. American Airlines has been scored 7.2/10 in 10,000 reviews.
Frontier Flights From Ontario to Dallas/Fort Worth Airport
The best Frontier deal for Ontario to Dallas/Fort Worth Airport flight tickets found on momondo in the last 72 hours was $76, round-trip. It should be noted that an average Frontier flight deal for this route in this time was higher, at $181 round-trip. Frontier operates 5 flights out of Ontario into Dallas/Fort Worth Airport in an average week, so prices vary by time and availability. 3,295 Frontier reviews by users on momondo have scored the airline at 5.9/10.
Traveling to a place near Dallas?
Book flights to Dallas if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Dallas?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ontario to Dallas for you.
Can I find flights from Ontario to Dallas with flexible booking policies on momondo?
Yes. All flights to Dallas from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Dallas?
Once you have performed a search for Ontario to Dallas 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 Dallas right now. Can momondo alert me if prices change?
Price alerts on flights to Dallas from Ontario 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.