ONT - DFW

$127 Find Cheap Flights from Ontario to Dallas/Fort Worth Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$209
Typical prices: $211-$395
Frontier
Sun 10/7Wed 10/10
ONT - DFW • Non-stop
Cheapest non-stop
$211
Typical prices: $218-$404
Frontier
Tue 10/2Sat 10/6
ONT - DFW • Non-stop
Nonstop flights
You can fly direct with American Airlines and Frontier. Average duration is 3h 08m
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 89% 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 33% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $245 (round-trip)
Shortest trip • 6h 10m (one-way)
Insights
Insights
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We hope you love your trip to Dallas/Fort Worth Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Ontario to Dallas/Fort Worth (ONT-DFW)

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

Recent round-trip flight deals from Ontario to Dallas/Fort Worth

Wed, Oct 7 - Sat, Oct 10
Frontier Logo
7:11 pm - 12:19 amONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
Frontier Logo
10:30 pm - 11:16 amDFW  Dallas/Fort Worth-ONT Ontario
14h 46m1 stop Las Vegas Harry Reid Intl
$209Frontier
Fri, Oct 2 - Tue, Oct 6
Frontier Logo
7:46 pm - 12:54 amONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
Frontier Logo
3:30 pm - 4:46 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 16mnonstop
$211Frontier
Fri, Oct 16 - Mon, Oct 19
Frontier Logo
8:03 pm - 12:59 amONT  Ontario-DFW Dallas/Fort Worth
2h 56mnonstop
Frontier Logo
6:30 am - 4:30 pmDFW  Dallas/Fort Worth-ONT Ontario
12h 00m1 stop Las Vegas Harry Reid Intl
$211Frontier
Thu, Oct 29 - Tue, Nov 3
Multiple Airlines Logo
2:13 pm - 11:59 pmONT  Ontario-DFW Dallas/Fort Worth
7h 46m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
3:17 pm - 4:38 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 21mnonstop
$258Multiple Airlines
Wed, Oct 28 - Sat, Oct 31
Multiple Airlines Logo
2:13 pm - 11:59 pmONT  Ontario-DFW Dallas/Fort Worth
7h 46m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
3:17 pm - 4:38 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 21mnonstop
$258Multiple Airlines
Thu, Jan 7 - Mon, Jan 11
Multiple Airlines Logo
7:10 am - 5:21 pmONT  Ontario-DFW Dallas/Fort Worth
8h 11m1 stop Portland
Multiple Airlines Logo
10:39 pm - 5:55 pmDFW  Dallas/Fort Worth-ONT Ontario
21h 16m1 stop Las Vegas Harry Reid Intl
$273Multiple Airlines
Wed, Oct 21 - Wed, Oct 21
American Airlines Logo
10:25 am - 3:29 pmONT  Ontario-DFW Dallas/Fort Worth
3h 04mnonstop
American Airlines Logo
10:41 pm - 11:52 pmDFW  Dallas/Fort Worth-ONT Ontario
3h 11mnonstop
$277American Airlines
Tue, Jan 5 - Sat, Jan 9
American Airlines Logo
7:00 am - 12:08 pmONT  Ontario-DFW Dallas/Fort Worth
3h 08mnonstop
American Airlines Logo
10:30 am - 11:54 amDFW  Dallas/Fort Worth-ONT Ontario
3h 24mnonstop
$277American Airlines
Wed, Oct 14 - Tue, Oct 20
Alaska Airlines Logo
2:13 pm - 11:59 pmONT  Ontario-DFW Dallas/Fort Worth
7h 46m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
10:00 am - 6:00 pmDFW  Dallas/Fort Worth-ONT Ontario
10h 00m1 stop Seattle/Tacoma Intl
$297Alaska Airlines
Wed, Oct 7 - Tue, Oct 13
Alaska Airlines Logo
11:13 am - 11:59 pmONT  Ontario-DFW Dallas/Fort Worth
10h 46m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:14 pm - 10:17 amDFW  Dallas/Fort Worth-ONT Ontario
18h 03m1 stop Seattle/Tacoma Intl
$297Alaska Airlines
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 from Ontario to Dallas/Fort Worth Airport 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 start at $209. Prices are below average for this route right now, with typical round-trip fares ranging from $211 to $395. The lowest price found in the past 5 days was $209 on Frontier.

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

Thursday is the cheapest day of the week to fly from Ontario to Dallas/Fort Worth Airport, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 19% 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/Fort Worth Airport?

•September is the cheapest month to fly from Ontario to Dallas/Fort Worth Airport at $233 round-trip.
•June ($404) and July ($390) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 73% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices 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.

Expert advice

Expert advice for your flight from Ontario to Dallas/Fort Worth

 
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/Fort Worth Airport flights

Low season

February

Cheapest flight

$127
Best time to beat the crowds with an average 12% drop in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Ontario to Dallas/Fort Worth Airport

When to book flights from Ontario to Dallas/Fort Worth

Are your dates flexible? Find out the best times to travel from Ontario to Dallas/Fort Worth 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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What parking is available at Ontario International Airport (ONT)?

    Ontario Airport (ONT) has 4 parking lots, all of which are uncovered surface lots. Lots 2 and 4 are adjacent to the terminals, and each has electric vehicle charging stations and premium parking closest to the ticket counters. Rates in these lots start at $3 per 30min. Lot 3 is a short walk to the terminals and has full-day parking for about $16 per day. The economy lot (Lot 5) costs about $13 per day and offers free shuttle service to the terminals.

  • How do I get to Ontario International Airport (ONT) using public transportation?

    The easiest way to get to the Ontario Airport is with the #61 OmiTrans bus, which takes about 30min to run east from the Pomona Transit Center to ONT and about 45min to run west from the Fontana Transit Center to ONT. There are two Metrolink train stations near airport. The Ontario - East station serving the Riverside line is about two miles south of Ontario Airport, which is about a 6min drive in a rideshare car. The Rancho Cucamonga station serves the San Bernardino line; the station is connected to ONT via a 20min to ride on the #380 OmniTrans bus.

  • What services are available at Ontario International Airport (ONT) for US Military service members?

    Members of the US Armed Forces and their families can enjoy the free services offered at Ontario Airport’s Bob Hope USO Lounge. In addition to TVs, computers, and comfy seating, you’ll find amenities like a game room, children’s area, a snack bar, a nap room, and an outdoor patio. There is free shuttle service between Terminals 2 and 4 and the USO Lounge, which is located across from Parking Lot 4 in the historic Terminal 1 building.

  • Can I take a train to downtown Dallas from Dallas/Fort Worth International Airport (DFW)?

    You can take either the DART (Dallas Area Rapid Transit) Orange Line train or the TRE (Trinity Rail Express) commuter train to downtown Dallas. The DART train station is near Terminal A, and one-way fares are about $2 for the 58min trip to the Deep Ellum Station downtown. Using the TRE, head to Terminal B to pick up the free LINK shuttle bus that connects to TRE’s CentrePort Station. From there, the trip to Dallas’s Victory Station takes about an hour (20min on the LINK plus 26min on the train) and costs about $2.50.

  • 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.

  • What airlines are available from Ontario to Dallas/Fort Worth Airport?

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

    • American Airlines
    • Frontier

  • 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).

  • 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 cabin bag and a checked bag in Economy Class
    • American Airlines: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class 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/Fort Worth Airport?

    Three cabin classes are available on flights from Ontario to Dallas/Fort Worth Airport:

    • Economy Class
    • Business Class
    • First Class

  • 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 nonstop options on average. Layover fares average $245 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $303 for nonstop.

  • 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 $42–$100 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.

  • 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) - 69% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 25% of one-stop connections
    • Salt Lake City (SLC) - 4% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 1% 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/Fort Worth Airport?

    Yes. Being flexible with your travel dates can save you up to 23% on the Ontario to Dallas/Fort Worth Airport route. Thursday is the cheapest departure day at $274 round-trip on average, while Sunday is the most expensive at $352, a difference of $78. 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/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, 11% of flights were delayed in the past 3 months, with delays averaging 2 hours 39 minutes.

  • 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% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 14%, and night flights for 14%.

  • What 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 World Aquarium. These are among the most viewed places in Dallas/Fort Worth Airport on KAYAK.

  • 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 6:00 am and lands at 9:08 am
    • Latest: departs at 11:59 pm and lands at 3:07 am.

    The flight takes about 3h 08m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 22% above the route average of $294. Book 7 weeks before departure for the lowest fares.

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

    A nonstop flight from Ontario to Dallas/Fort Worth Airport takes 3h 08m, covering 1,185 miles.

  • 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 a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • 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 $209 to $1,375. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 $141, which is 19% below the typical average for this route.

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

    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/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 45m 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.

  • 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 $18 for economy cars. Top options include:
    • Easirent
    • Europcar
    • Ace
    • Hertz
    • Thrifty

  • 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 $211 to $395, with an average of $294 over the past 12 months. Anything below $211 counts as a good deal.

  • 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.

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 can be flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average $274 - about $78 less than Sunday (22% 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 September. Fares historically average $233 round-trip in that month - typically $171 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. 89% of Frontier flights from Ontario to Dallas/Fort Worth Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 89%. When flights on this route do arrive late, the average delay is 2 hours 39 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 Las Vegas Harry Reid Intl Airport (LAS) can be cheaper than flying direct. The cheapest layover option averages $245 round-trip on this route - about $58 less than direct flights (based on the last 12 months).
  • Ontario International Airport (ONT) is conveniently located west of San Bernadino and east of Los Angeles, making it the top choice for many passengers from Anaheim, Temecula, Palm Springs, Lancaster, and other cities in the Southern California region.
  • There are three terminals (Terminal 2, Terminal 4, and the International Terminal for non-domestic arrivals only) at Ontario International Airport (ONT). If you’re flying with American Airlines or Southwest, you’ll be using Terminal 4. All other flights to Dallas/Fort Worth will use Terminal 2.
  • Ontario Airport (ONT) has two Aspire Lounges, one in Terminal 2 near Gate 210 and one in Terminal 4 near Gate 410. Both VIP lounges are available to all passengers, and day passes start at about $40.
  • Traveling between the terminals at Dallas/Fort Worth Airport (DFW) is free and easy with the Terminal Link shuttle vans (pre-security) and the Skylink trains (post-security).
  • TexRail and Trinity Rail Express (TRE) trains both travel between DFW and Fort Worth’s Central Station. The TexRail station is at terminal B, as is the free LINK shuttle bus stop to TRE’s CentrePort Station. Both options take about 50min, and one-way tickets for both start at about $2.50.

Prefer to fly direct from Ontario to Dallas/Fort Worth Airport?

 
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 direct 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 direct flights

More options for your flight from Ontario to Dallas/Fort Worth

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