ONT - DFW

C$ 198 Find Cheap Flights from Ontario to Dallas – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 423
Typical prices: C$ 336-C$ 590
Delta
Sat 10/11Sun 18/11
ONT - DFW • 1 stop
Cheapest direct flights
C$ 530
Typical prices: C$ 346-C$ 605
Frontier
Thu 1/11Thu 8/11
ONT - DFW • Direct
Direct flights
You can fly direct with American Airlines and Frontier. Average duration is 3h 06m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 90% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 18% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 376 (round-trip)
Shortest trip • 6h 10m (one-way)
Insights
Insights
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We hope you enjoy your trip to Dallas/Fort Worth Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Dallas (ONT-DFW)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Dallas

Tue, 10 Nov - Tue, 17 Nov
Delta Logo
7:05 a.m. - 5:24 p.m.ONT  Ontario-DFW Dallas/Fort Worth
8h 19m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:08 p.m. - 11:49 p.m.DFW  Dallas/Fort Worth-ONT Ontario
7h 41m1 stop Salt Lake City
C$ 423Delta
Tue, 3 Nov - Tue, 10 Nov
United Airlines Logo
1:35 p.m. - 10:21 p.m.ONT  Ontario-DFW Dallas/Fort Worth
6h 46m1 stop San Francisco
United Airlines Logo
5:15 a.m. - 12:29 p.m.DFW  Dallas/Fort Worth-ONT Ontario
9h 14m2 stops Houston George Bush Intcntl San Francisco
C$ 425United Airlines
Wed, 4 Nov - Sat, 7 Nov
Delta Logo
1:35 p.m. - 9:29 p.m.ONT  Ontario-DFW Dallas/Fort Worth
5h 54m1 stop Salt Lake City
Delta Logo
12:34 p.m. - 10:43 p.m.DFW  Dallas/Fort Worth-ONT Ontario
12h 09m2 stops Salt Lake City Seattle/Tacoma Intl
C$ 430Delta
Sat, 7 Nov - Wed, 2 Dec
Delta Logo
6:00 a.m. - 9:49 p.m.ONT  Ontario-DFW Dallas/Fort Worth
13h 49m2 stops Salt Lake City Los Angeles
Delta Logo
8:15 a.m. - 5:15 p.m.DFW  Dallas/Fort Worth-ONT Ontario
11h 00m2 stops Salt Lake City Seattle/Tacoma Intl
C$ 437Delta
Mon, 9 Nov - Wed, 11 Nov
Delta Logo
1:15 p.m. - 9:24 p.m.ONT  Ontario-DFW Dallas/Fort Worth
6h 09m1 stop Salt Lake City
Delta Logo
1:52 p.m. - 11:49 p.m.DFW  Dallas/Fort Worth-ONT Ontario
11h 57m2 stops Detroit Metropolitan Wayne County Salt Lake City
C$ 439Delta
Mon, 9 Nov - Wed, 11 Nov
Delta Logo
1:15 p.m. - 11:52 p.m.ONT  Ontario-DFW Dallas/Fort Worth
8h 37m2 stops Salt Lake City Los Angeles
Delta Logo
12:29 p.m. - 11:00 p.m.DFW  Dallas/Fort Worth-ONT Ontario
12h 31m2 stops Salt Lake City Seattle/Tacoma Intl
C$ 446Delta
Mon, 9 Nov - Tue, 17 Nov
Delta Logo
6:00 a.m. - 1:36 p.m.ONT  Ontario-DFW Dallas/Fort Worth
5h 36m1 stop Salt Lake City
Delta Logo
6:08 p.m. - 11:49 p.m.DFW  Dallas/Fort Worth-ONT Ontario
7h 41m1 stop Salt Lake City
C$ 450Delta
Fri, 30 Oct - Sat, 31 Oct
Delta Logo
9:45 a.m. - 12:22 a.m.ONT  Ontario-DFW Dallas/Fort Worth
12h 37m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
6:06 p.m. - 10:12 p.m.DFW  Dallas/Fort Worth-ONT Ontario
6h 06m1 stop Salt Lake City
C$ 457Delta
Tue, 27 Oct - Mon, 9 Nov
Delta Logo
6:20 a.m. - 9:29 p.m.ONT  Ontario-DFW Dallas/Fort Worth
13h 09m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
4:10 p.m. - 11:49 p.m.DFW  Dallas/Fort Worth-ONT Ontario
9h 39m2 stops Los Angeles Salt Lake City
C$ 464Delta
Sun, 1 Nov - Sun, 8 Nov
Frontier Logo
8:03 p.m. - 1:08 a.m.ONT  Ontario-DFW Dallas/Fort Worth
3h 05mdirect
Frontier Logo
7:00 a.m. - 10:35 a.m.DFW  Dallas/Fort Worth-ONT Ontario
5h 35m1 stop Denver Intl
C$ 472Frontier
Booking Insights

Price, demand, and travel trends for Ontario to Dallas/Fort Worth Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Ontario to Dallas/Fort Worth Airport?

Round-trip flights from Ontario to Dallas/Fort Worth Airport typically range from C$ 336 to C$ 590. The lowest price found in the past 5 days was C$ 423, on Delta.

What's the cheapest day of the week to fly from Ontario to Dallas/Fort Worth Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Ontario to Dallas/Fort Worth Airport. It’s 10% cheaper than the average day, while Monday is the most expensive, with prices 14% higher.

What is the cheapest month to fly from Ontario to Dallas/Fort Worth Airport?

•February is the cheapest month to fly from Ontario to Dallas/Fort Worth Airport at C$ 370 round-trip.
•June (C$ 580) and July (C$ 557) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 56% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Ontario to Dallas/Fort Worth Airport the cheapest?

Flights from Ontario to Dallas/Fort Worth Airport are cheapest 7 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Ontario to Dallas/Fort Worth Airport flights

Low season

September

Cheapest flight

C$ 198
Beat the crowds with an average 26% drop in traveller numbers.
One-way flight from Ontario to Dallas/Fort Worth Airport

When to book flights from Ontario to Dallas

Are your dates flexible? Find out the best times to travel from Ontario to Dallas based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Ontario to Dallas/Fort Worth Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Ontario to Dallas/Fort Worth Airport?

    These are the earliest and latest flight times available from Ontario to Dallas/Fort Worth Airport:

    • Earliest: departs at 5:44 am and lands at 8:50 am
    • Latest: departs at 11:59 pm and lands at 3:05 am.

    The flight takes about 3h 06m.

  • Which cabin classes can I book on flights from Ontario to Dallas/Fort Worth Airport?

    Only Economy Class is available on flights from Ontario to Dallas/Fort Worth Airport.

  • How long does a flight from Ontario to Dallas/Fort Worth Airport take?

    A direct flight from Ontario to Dallas/Fort Worth Airport takes 3h 06m, covering 3,069 km.

  • Do I need a passport to fly from Ontario to Dallas/Fort Worth Airport?

    No, a passport is not required for this domestic route, but you will need another form of identification, such as a driver's licence.

  • How much should I expect to pay for a Ontario to Dallas/Fort Worth Airport flight?

    Round-trip flights from Ontario to Dallas/Fort Worth Airport range from C$ 336 to C$ 590, with an average of C$ 450 over the past 12 months. Anything below C$ 336 counts as a good deal.

  • How expensive are last-minute Ontario to Dallas/Fort Worth Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the C$ 450 route average. Book 7 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Ontario to Dallas/Fort Worth Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 376 round-trip via Salt Lake City (SLC), compared to C$ 464 for direct.

  • What is the standard checked bag allowance on flights from Ontario to Dallas/Fort Worth Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 71–C$ 142 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Ontario to Dallas/Fort Worth Airport?

    The Airbus A321-100/200 family is used most often on this route, operated mainly by American Airlines and Frontier. Other aircraft seen on the route include Airbus A320neo variants.

  • How are flight departures from Ontario to Dallas/Fort Worth Airport spread across the day?

    Morning is the busiest departure period on Ontario to Dallas/Fort Worth Airport flights, with 43% leaving in that window. Afternoon departures account for 29%, Evening flights for 14%, and Night flights for 14%.

  • Have flight prices from Ontario to Dallas/Fort Worth Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 423 to C$ 2,876. That means the highest observed fare was about 7x higher than the lowest one.

  • Which airlines offer Wi-Fi on Ontario to Dallas/Fort Worth Airport flights?

    Two airlines offer in-flight Wi-Fi on Ontario to Dallas/Fort Worth Airport flights:

    • American Airlines
    • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

  • How are flight prices from Ontario to Dallas/Fort Worth Airport looking right now?

    One-way fares from Ontario to Dallas/Fort Worth Airport are currently lower than usual. Average one-way flight prices are about C$ 229, which is 8% below the typical average for this route.

  • What car rental options are available at Dallas/Fort Worth Airport (DFW)?

    Dallas/Fort Worth Airport (DFW) hosts 5 major car rental companies, with daily rates starting from around C$ 27 for economy cars. Top options include:

    • Easirent
    • Europcar
    • Hertz
    • Ace
    • Thrifty

  • Which airports can I use when flying from Ontario to Dallas/Fort Worth Airport?

    Flights from Ontario to Dallas/Fort Worth Airport usually depart from Ontario (ONT) and arrive at Dallas/Fort Worth (DFW).

  • What time of day has the fewest delays on flights from Ontario to Dallas/Fort Worth Airport?

    Morning flights have the fewest delays on this route, while afternoon departures tend to have the most.

  • At what point is a flight considered delayed on the route from Ontario to Dallas/Fort Worth Airport?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Ontario to Dallas/Fort Worth Airport route, 10% of flights were delayed in the past three months, with delays averaging 2h 41m.

  • Which airports do connecting flights from Ontario to Dallas/Fort Worth Airport pass through?

    One-stop flights from Ontario to Dallas/Fort Worth Airport most commonly connect through:

    • Denver Intl (DEN) – 67% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) – 27% of one-stop connections
    • Salt Lake City (SLC) – 3% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) – 1% of one-stop connections

  • Can I save money by using flexible dates for flights from Ontario to Dallas/Fort Worth Airport?

    Yes. Flexible dates can save you up to 21% on flights from Ontario to Dallas/Fort Worth Airport. Wednesday is the cheapest departure day at C$ 407 round-trip on average, while Monday is the most expensive at C$ 516, a difference of C$ 108.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Ontario to Dallas/Fort Worth Airport?

    2 airlines operate flights between Ontario and Dallas/Fort Worth Airport. The airlines offering direct flights on this route include:

    • American Airlines
    • Frontier

  • How much time can I save by choosing a different layover airport when travelling from Ontario to Dallas/Fort Worth Airport?

    Flying via Salt Lake City (SLC) gives the shortest average 1-stop total travel time at 6h 10m, compared with 6h 10m via Phoenix Sky Harbor Intl (PHX) and 8h 06m via Denver Intl (DEN).

  • What is the time difference between Ontario and Dallas/Fort Worth Airport?

    Dallas/Fort Worth Airport is 2 hours ahead of Ontario (Central Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which popular places can I visit in Dallas/Fort Worth Airport?

    Some of the most popular sights in Dallas/Fort Worth Airport are American Airlines Center, Kay Bailey Hutchison Convention Center, and Dallas Museum of Art. These are among the most viewed places in Dallas/Fort Worth Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Ontario to Dallas/Fort Worth Airport flights?

    Among airlines operating Ontario to Dallas/Fort Worth Airport flights:

    • Frontier: offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Ontario to Dallas/Fort Worth Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Frontier: a carry-on bag and a checked bag in Economy Class
    • American Airlines: a carry-on bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Ontario to Dallas/Fort Worth Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average C$ 407, about C$ 108 less than Monday fares (21% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 33% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Dallas/Fort Worth Airport trip for February. Fares historically average C$ 370 round-trip in that month – typically C$ 209 less than the most expensive month, which is June (based on the last 12 months).
  • For the best chance of arriving on time, fly with Frontier. Over the past three months, 90% of Frontier flights from Ontario to Dallas/Fort Worth Airport arrived on time, slightly above the route average of 90%. When flights on this route arrive late, they're delayed by an average of 2h 41m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Salt Lake City Airport (SLC) can be cheaper than flying direct. The cheapest layover option averages C$ 376 round-trip on this route – about C$ 89 less than direct flights (based on the last 12 months).

Prefer to fly direct from Ontario to Dallas?

 
Find which airlines fly direct from Ontario Airport to Dallas/Fort Worth Airport, which days they fly and book direct flights.

Direct departures

Ontario to Dallas/Fort Worth

Monday

American Airlines,Frontier

American Airlines,Frontier

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Wednesday

American Airlines,Frontier

American Airlines,Frontier

Thursday

American Airlines,Frontier

American Airlines,Frontier

Friday

American Airlines,Frontier

American Airlines,Frontier

Saturday

American Airlines,Frontier

American Airlines,Frontier

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more nonstop flights

Direct returns

Dallas/Fort Worth to Ontario

Monday

American Airlines,Frontier

American Airlines,Frontier

Tuesday

American Airlines,Frontier

American Airlines,Frontier

Wednesday

American Airlines,Frontier

American Airlines,Frontier

Thursday

American Airlines,Frontier

American Airlines,Frontier

Friday

American Airlines,Frontier

American Airlines,Frontier

Saturday

American Airlines,Frontier

American Airlines,Frontier

Sunday

American Airlines,Frontier

American Airlines,Frontier

See more nonstop flights

More options for your flight from Ontario to Dallas

Complete your trip to Dallas with a hotel stay or car rental