Cheap flights from Dallas to Ontario

Flights overview

Useful information for finding cheap flights from Dallas to Ontario and booking your next trip
Cheapest round-trip flights $199
Frontier Nonstop 4 hr Sat, Jun 6 — Sun, Jun 7
The cheapest round-trip flight from Dallas to Ontario is currently $199
Cheapest one-way flight $99
Frontier Nonstop 4 hr Sat, Jun 6
The cheapest one-way flight from Dallas to Ontario is currently $99
Cheapest nonstop flights $233
Frontier Nonstop 4 hr Sat, Jun 6 — Mon, Jun 8
The cheapest nonstop round-trip flight from Dallas to Ontario is currently $233
Last-minute weekend getaway $252
Frontier Nonstop 4 hr Sat, May 9 — Sun, May 10
The cheapest last-minute weekend getaway from Dallas to Ontario is currently $252
Cheapest business class flights $463
Frontier 1 stop 19 hr Thu, Jun 4 — Mon, Jun 8
The cheapest business class round-trip flight from Dallas to Ontario is currently $463
Fastest flight 3 hr The fastest nonstop flight from Dallas to Ontario takes 3 hr
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Dallas to Ontario is typically September. The most expensive month to fly is typically March.
September
Cheapest
Typical prices: $110–180
March
Most expensive
Typical prices: $190–340

Popular airlines from Dallas to Ontario

  • Southwest
    Nonstop
    from $397
    Typical price: $235–500
    8 weekly nonstop flights
    DAL - ONT Every day
    2746 weekly connecting flights
    DAL - ONT Every day
  • American
    Nonstop
    from $387
    Typical price: $215–510
    35 weekly nonstop flights
    DFW - ONT Every day
    742 weekly connecting flights
    DFW - ONT Every day
  • Frontier
    Nonstop
    from $199
    Typical price: $140–265
    7 weekly nonstop flights
    DFW - ONT Every day
    49 weekly connecting flights
    DFW - ONT Every day
  • United
    from $363
    Typical price: $320–550
    179 weekly connecting flights
    DFW - ONT Every day
  • Delta
    from $407
    Typical price: $260–660
    177 weekly connecting flights
    DAL, DFW - ONT Every day
  • Alaska
    from $445
    Typical price: $315–710
    37 weekly connecting flights
    DFW - ONT Every day

Popular airports near Dallas

  • Dallas Fort Worth International Airport (DFW)
    Dallas United States 27 min 16 mi
  • Dallas Love Field (DAL)
    Dallas United States 17 min 6 mi
  • Austin-Bergstrom International Airport (AUS)
    Austin United States 3 hr 185 mi
  • George Bush Intercontinental Airport (IAH)
    Houston United States 3 hr 20 min 211 mi

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario United States 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 1 hr 7 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 2 hr 16 min 112 mi
  • San Diego International Airport (SAN)
    San Diego United States 1 hr 50 min 95 mi

Frequently asked questions about flying from Dallas to Ontario

The cheapest flights from Dallas to Ontario are usually in September. Typical ticket prices in September range from $110 to $180.
The cheapest round-trip flight from Dallas to Ontario recently found on Google Flights was with Frontier from $199. The cheapest one-way flight was with Frontier from $99.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Dallas to Ontario is $397, flying from Jul 4 to Jul 6.
  • The cheapest American flight from Dallas to Ontario is $387, flying from Jul 3 to Jul 6.
  • The cheapest Frontier flight from Dallas to Ontario is $199, flying from Jun 6 to Jun 7.
  • The cheapest United flight from Dallas to Ontario is $363, flying from May 28 to Jun 1.
  • The cheapest Delta flight from Dallas to Ontario is $407, flying from Jul 3 to Jul 6.
  • The cheapest Alaska flight from Dallas to Ontario is $445, flying from Jul 30 to Aug 3.
The cheapest round-trip flight from Dallas to Ontario starts at $199 from Sat, Jun 6 to Sun, Jun 7. The cheapest one-way flight starts at $99 and departs on Sat, Jun 6.
3 hr is the shortest flight time from Dallas to Ontario.
Ontario is a year-round destination, with mild to warm weather for much of the year. Summers (Jun–Aug) tend to be hot, while winters (Dec–Feb) are typically mild. There is a slightly higher chance of rain Jan–Apr. The Road to California (Jan) is a quilt show featuring quilting competitions, classes and exhibits. The city celebrates Independence Day (Jul 4) with a parade, picnic and fireworks display. The Route 66 Cruisin' Reunion (Sep) attracts vintage cars from around the country.
It's easy to use Google Flights to find the cheapest days to fly from Dallas to Ontario.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Dallas to Ontario really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Dallas to Ontario.

In terms of nonstop flights, American is the most popular. American offers 35 nonstop flights and 742 connecting flights per week. American flies from Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) .

In terms of flights, Southwest is the most popular. Southwest offers 8 nonstop flights and 2,746 connecting flights per week. Southwest flies from Dallas Love Field (DAL) to Ontario International Airport (ONT) .

Other popular airlines flying from Dallas to Ontario are:
  • Frontier offers 7 nonstop flights and 49 connecting flights per week. Frontier flies from Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) .
  • United offers 179 connecting flights per week. United flies from Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) .
  • Delta offers 177 connecting flights per week. Delta flies from Dallas Love Field (DAL) , Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) .
  • Alaska offers 37 connecting flights per week. Alaska flies from Dallas Fort Worth International Airport (DFW) to Ontario International Airport (ONT) .
The number of connecting flights refers to distinct flights with at least one stop between Dallas and Ontario.
The cheapest round-trip flight from Dallas to Ontario recently found on Google Flights was with Frontier from $199. The cheapest one-way flight was with Frontier from $99.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Southwest flight from Dallas to Ontario is $397, flying from Jul 4 to Jul 6.
  • The cheapest American flight from Dallas to Ontario is $387, flying from Jul 3 to Jul 6.
  • The cheapest Frontier flight from Dallas to Ontario is $199, flying from Jun 6 to Jun 7.
  • The cheapest United flight from Dallas to Ontario is $363, flying from May 28 to Jun 1.
  • The cheapest Delta flight from Dallas to Ontario is $407, flying from Jul 3 to Jul 6.
  • The cheapest Alaska flight from Dallas to Ontario is $445, flying from Jul 30 to Aug 3.
Southwest, American and Frontier fly direct from Dallas to Ontario.
  • There are 8 Southwest direct flights from Dallas to Ontario per week. Flights are available every day.
  • There are 35 American direct flights from Dallas to Ontario per week. Flights are available every day.
  • There are 7 Frontier direct flights from Dallas to Ontario per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Dallas and Ontario at price $252 is offered by Frontier from Sat, May 9 to Sun, May 10.
Southwest, American and Frontier fly direct from Dallas to Ontario.
  • There are 8 Southwest direct flights from Dallas to Ontario per week. Flights are available every day.
  • There are 35 American direct flights from Dallas to Ontario per week. Flights are available every day.
  • There are 7 Frontier direct flights from Dallas to Ontario per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Dallas to Ontario on a daily basis.
The cheapest direct (nonstop) round-trip flights between Dallas and Ontario start at $233 from Sat, Jun 6 to Mon, Jun 8 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Dallas to Ontario, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Dallas and Ontario start at $463 from Thu, Jun 4 to Mon, Jun 8 with Frontier.
The cheapest economy class round-trip flights between Dallas and Ontario start at $199 from Sat, Jun 6 to Sun, Jun 7.
To book business class trips from Dallas to Ontario, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Dallas and Ontario starts at $252 from Sat, May 9 to Sun, May 10 with Frontier.
The cheapest last-minute deal between Dallas and Ontario at price $252 is offered by Frontier from Sat, May 9 to Sun, May 10.
To find last-minute flight deals from Dallas to Ontario, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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