$123 Find Cheap Flights from Ontario to Dallas - Compare and Save

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Everything you should know

Cheapest round-trip
$205
Typical prices: $217-$432
Frontier
Sun 9/30Tue 10/2
ONT - DFW • 1 stop
Cheapest non-stop
$224
Typical prices: $222-$433
Frontier
Wed 10/10Sat 10/13
ONT - DFW • Non-stop
Nonstop flights
You can fly direct with American Airlines, Frontier and Southwest. Average duration is 3h 07m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 17% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $263 (round-trip)
Shortest trip • 4h 58m (one-way)
Insights
Insights
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We hope you love your trip to Dallas!
Flight Deals
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Expert advice
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

Wed, Sep 30 - Fri, Oct 2
Frontier Logo
6:15 am - 7:24 pmONT  Ontario-DFW Dallas/Fort Worth
11h 09m1 stop Denver Intl
Frontier Logo
5:22 pm - 6:39 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 17mnonstop
$205Frontier
Mon, Sep 28 - Wed, Sep 30
Frontier Logo
7:46 pm - 12:54 amONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
Frontier Logo
2:48 pm - 11:47 pmDFW  Dallas/Fort Worth-ONT Ontario
10h 59m1 stop Denver Intl
$205Frontier
Tue, Jan 5 - Wed, Jan 20
American Airlines Logo
7:00 am - 12:08 pmONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
American Airlines Logo
8:25 am - 9:50 amDFW  Dallas/Fort Worth-ONT Ontario
3h 25mnonstop
$317American Airlines
Sat, Feb 6 - Wed, Feb 10
American Airlines Logo
2:17 pm - 7:25 pmONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
American Airlines Logo
5:35 pm - 6:53 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 18mnonstop
$317American Airlines
Tue, Oct 6 - Tue, Oct 13
Southwest Logo
3:25 pm - 8:20 pmONT  Ontario-DAL Dallas Love Field
2h 55mnonstop
Southwest Logo
7:40 pm - 8:50 pmDAL  Dallas Love Field-ONT Ontario
3h 10mnonstop
$317Southwest
Sat, Feb 6 - Wed, Feb 10
Southwest Logo
6:50 am - 11:35 amONT  Ontario-DAL Dallas Love Field
2h 45mnonstop
Southwest Logo
11:55 am - 1:10 pmDAL  Dallas Love Field-ONT Ontario
3h 15mnonstop
$317Southwest
Tue, Jan 5 - Wed, Jan 20
United Airlines Logo
11:20 am - 10:28 pmONT  Ontario-DFW Dallas/Fort Worth
9h 08m1 stop San Francisco
United Airlines Logo
4:42 pm - 8:20 pmDFW  Dallas/Fort Worth-ONT Ontario
5h 38m1 stop Denver Intl
$332United Airlines
Tue, Dec 29 - Tue, Jan 5
United Airlines Logo
1:05 pm - 10:27 pmONT  Ontario-DFW Dallas/Fort Worth
7h 22m1 stop San Francisco
United Airlines Logo
4:05 pm - 9:40 pmDFW  Dallas/Fort Worth-ONT Ontario
7h 35m1 stop Houston George Bush Intcntl
$332United Airlines
Sat, Sep 19 - Mon, Sep 21
Alaska Airlines Logo
7:12 am - 4:41 pmONT  Ontario-DFW Dallas/Fort Worth
7h 29m1 stop Portland
Alaska Airlines Logo
9:03 pm - 11:16 amDFW  Dallas/Fort Worth-ONT Ontario
16h 13m1 stop Seattle/Tacoma Intl
$382Alaska Airlines
Fri, Oct 16 - Tue, Oct 20
Alaska Airlines Logo
5:45 pm - 2:17 pmONT  Ontario-DFW Dallas/Fort Worth
18h 32m2 stops Santa Rosa Sonoma County San Diego
Alaska Airlines Logo
3:49 pm - 10:17 amDFW  Dallas/Fort Worth-ONT Ontario
20h 28m1 stop Seattle/Tacoma Intl
$398Alaska Airlines
Booking Insights

Price, demand and travel trends for Ontario to Dallas flights

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

How much is a round-trip flight from Ontario to Dallas?

Round-trip flights from Ontario to Dallas start at $205. Prices are below average for this route right now, with typical round-trip fares ranging from $217 to $432. The lowest price found in the past 5 days was $205 on Frontier.

What's the cheapest day of the week to fly from Ontario to Dallas?

Thursday is the cheapest day of the week to fly from Ontario to Dallas, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 25% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Ontario to Dallas?

  • September is the cheapest month to fly from Ontario to Dallas at $245 round-trip.
  • June ($418) and July ($403) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 70% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Ontario to Dallas the cheapest?

Flights from Ontario to Dallas are cheapest 7 weeks before departure. Booking in this window typically costs about 30% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Ontario to Dallas

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Jennifer Simonson

Jennifer Simonson

Expert on ONT

Jennifer Simonson is driven by her lifelong commitment to exploring the globe. Her insatiable curiosity had led her to immerse herself into diverse locations like Oklahoma City and Pismo. Her hotel recommendations are the result of the myriad hotels she's stayed at across her travels. Along her journey, she cherishes engaging conversations with locals, indulging in the finest ice cream, trying her hand at surfing, and embarking on nature-filled hikes.

Ramsey Qubein

Ramsey Qubein

Expert on DFW

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Key details for Ontario to Dallas flights

Low season

February

Cheapest flight

$123
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 8% lower on average.
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 flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Among airlines operating Ontario to Dallas flights:

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

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

  • What airlines are available from Ontario to Dallas?

    3 airlines operate flights between Ontario and Dallas. The airlines offering nonstop flights on this route include:

    • American Airlines
    • Frontier
    • Southwest

  • Which airports can I use when flying from Ontario to Dallas?

    Flights from Ontario to Dallas usually depart from Ontario (ONT) and may arrive at several airports in Dallas area, including Dallas Addison (ADS), Dallas Love Field (DAL) and Dallas/Fort Worth (DFW).

  • Which airlines include bags at no extra cost on Ontario to Dallas flights?

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

    • Frontier: a cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • Southwest: a cabin bag and a checked bag in Economy Class

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

  • What cabin classes can I book on flights from Ontario to Dallas?

    Three cabin classes are available on flights from Ontario to Dallas:

    • Economy Class
    • Business Class
    • First Class

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $263 round-trip via Denver Intl (DEN), compared to $312 for nonstop.

  • What is the standard checked-bag allowance on flights from Ontario to Dallas?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $42–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which airports do connecting flights from Ontario to Dallas pass through?

    One-stop flights from Ontario to Dallas most commonly connect through:

    • Denver Intl (DEN) - 49% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 24% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 13% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 5% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 26% on the Ontario to Dallas route. Thursday is the cheapest departure day at $287 round-trip on average, while Sunday is the most expensive at $385, a difference of $98. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • At what point is a flight considered delayed from Ontario to Dallas?

    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 route, 12% of flights were delayed in the past 3 months, with delays averaging 2 hours 35 minutes.

  • How are flight departures from Ontario to Dallas spread across the day?

    Morning is the busiest departure period on Ontario to Dallas flights, with 51% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 12%, and night flights for 12%.

  • What popular places can I visit in Dallas?

    Some of the most popular sights in Dallas are American Airlines Center, Dallas Market Center and Kay Bailey Hutchison Convention Center. These are among the most viewed places in Dallas on KAYAK.

  • What are the earliest and latest flights from Ontario to Dallas?

    These are the earliest and latest flight times available from Ontario to Dallas:

    • Earliest: departs at 12:30 am and lands at 3:37 am
    • Latest: departs at 11:59 pm and lands at 3:06 am.

    The flight takes about 3h 07m.

  • How expensive are last-minute Ontario to Dallas flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 21% above the route average of $306. Book 7 weeks before departure for the lowest fares.

  • How long is a flight from Ontario to Dallas?

    A nonstop flight from Ontario to Dallas takes 3h 07m, covering 1,199 miles.

  • Do I need a passport to fly from Ontario to Dallas?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Ontario to Dallas 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 $205 to $1,508. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Ontario to Dallas looking right now?

    One-way fares from Ontario to Dallas are currently lower than usual. Average one-way flight prices are about $169, which is 10% below the typical average for this route.

  • How do delay rates compare for morning and evening flights from Ontario to Dallas?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • How much time can I save by choosing a different layover airport from Ontario to Dallas?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 4h 58m, compared with 5h 12m via Houston Hobby (HOU) and 6h 11m via Salt Lake City (SLC).

  • What is the time difference between Ontario and Dallas?

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

  • What car rental options are available in Dallas?

    Since Dallas is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Dallas/Fort Worth Airport (DFW) — daily rates from around $18:

    · Easirent
    · Europcar
    · Ace
    · Hertz
    · Thrifty

    Near Dallas Love Field Airport (DAL) — daily rates from around $24:

    · Easirent
    · Thrifty
    · Dollar
    · Budget
    · Hertz

  • How much should I expect to pay for a Ontario to Dallas flight?

    Round-trip flights from Ontario to Dallas range from $217 to $432, with an average of $306 over the past 12 months. Anything below $217 counts as a good deal.

  • Which airlines offer Wi-Fi on Ontario to Dallas flights?

    Two airlines offer in-flight Wi-Fi on Ontario to Dallas 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.

Your guide to booking Ontario to Dallas flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $287 - about $98 less than Sunday (25% 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 30% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Ontario to Dallas trip for September. Fares historically average $245 round-trip in that month - typically $173 less than the most expensive month, which is June (based on the last 12 months).
  • If arriving on time is high on your priority list, Frontier is the strongest pick on this route. 88% of Frontier flights from Ontario to Dallas arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 88%. When flights on this route do arrive late, the average delay is 2 hours 35 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $263 round-trip on this route - about $49 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near Dallas Addison Airport

    · Residence Inn by Marriott Dallas Addison/Quorum Drive
    · Clarion Pointe Addison - Dallas North
    · Dallas/Addison Marriott Quorum by the Galleria

    Near Dallas Love Field Airport

    · Dallas Love Field Inn
    · Wingate by Wyndham Dallas Love Field
    · DoubleTree by Hilton Dallas - Love Field

Prefer to fly direct from Ontario to Dallas?

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

Direct departures

Ontario to Dallas

Monday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

See more direct flights

Direct returns

Dallas to Ontario

Monday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Tuesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Wednesday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Thursday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Friday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Saturday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

Sunday

American Airlines,Frontier,Southwest

American Airlines,Frontier, +1 more

See more direct flights

Everything you need to know for your flight from Ontario to Dallas

Information on your arrival and departure airports