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 8/12. 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
American Airlines flights from Ontario to Dallas
Our best American Airlines deals on Ontario to Dallas flight tickets
Frontier flights from Ontario to Dallas
Our best Frontier deals on Ontario to Dallas flight tickets
See travel insights to Dallas from
How to get the cheapest flight ticket from Ontario to Dallas
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?
If you are unable to visit Dallas during the month of April, then departing from Ontario during the month August is also very affordable. Most momondo users find prices during this month for around $189.
What is the cheapest day to depart on your flight to Dallas?
On average, the least expensive day to fly to Dallas 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. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $447.
What is the cheapest time of day to depart on your flight to Dallas?
Flying to Dallas 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. In the morning is when there is more demand to fly to Dallas, so prices are often more expensive at around $411 per ticket.
What is the cheapest Ontario to Dallas flight route?
Fly from Ontario to Dallas/Fort Worth for the best Ontario - Dallas flight prices
How far in advance should I book a flight to Dallas?
You are more likely to see cheaper flights to Dallas from Ontario when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Dallas 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 from Ontario for as low as $196 on momondo.
What cabin class options are available on Ontario to Dallas flights?
There are 4 cabin classes available to choose from on Ontario to Dallas 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?
Frontier, Southwest, and American Airlines are the most popular carriers operating from Ontario to Dallas
What airlines fly to Dallas?
American Airlines, Frontier and Spirit Airlines are the top three most popular airlines that fly to Dallas from Ontario according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Dallas. Keep in mind that there are 7 different airlines that fly to Dallas on a routine basis, so you have a few additional options to choose from.
How many flights depart from Ontario to Dallas on average per day?
As of June 2025, 20 flights take off from Ontario and land in Dallas each day. The most common flight departure time for this route is 10:00AM, with 47% of daily flights taking off at noon.
How many flights depart from Ontario to Dallas on average per week?
145 flights are operational weekly from Ontario to Dallas as of June 2025. The most popular departure day for this route is Mon, with 15% of flights per week taking off on this day.
Cheap Ontario to Dallas flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Dallas
How far is Ontario to Dallas by plane?
Dallas is 1202.4 mi away from Ontario. By plane, this route typically takes 2h 50m.
When did momondo last update prices for flights from Ontario Airport to Dallas?
Prices for flights from Ontario Airport to Dallas refresh daily.
How many operators does momondo search for flights from Ontario Airport to Dallas?
The number of operators available for flights from Ontario Airport to Dallas is 6 as of June 2025.
How old do you have to be to fly from Ontario Airport to Dallas?
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.
What documentation or ID do you need to fly to Dallas?
The necessary travel and health documents for your Dallas 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.
Best airlines flying from Ontario to Dallas
Compare and see reviews for airlines that fly from Ontario to Dallas with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $76 | Free Cancellation | Rating 5.9 3,296 reviews | |||
| PriceFrom $88 | Free Cancellation | Rating 6.3 8,057 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 8.0 7,951 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $203 | Free Cancellation | Rating 8.0 4,283 reviews | |||
| PriceFrom $225 | Free Cancellation | Rating 8.0 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to Dallas?
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 Dallas from Ontario.
Can I find flights from Ontario to Dallas with flexible booking policies on momondo?
Flights from Ontario to Dallas 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 Ontario to Dallas?
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 Dallas from Ontario.
I’m not ready to book a flight from Ontario to Dallas right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to Dallas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dallas and let you know when they change.