DFW - ONT

Find cheap flights from Dallas to Ontario

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dallas to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Dallas to Ontario, as well as popular online travel agencies
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Cheap Flight Deals from Dallas to Ontario (DFW-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Dallas to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Dallas to Ontario

KAYAK's recommended round-trip deals from the most popular airlines that fly from Dallas to Ontario.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
American Airlines Logo
DFW-ONT
3h 29mdirect
American Airlines Logo
ONT-DFW
3h 04mdirect
American Airlines
Find Deal
Qatar Airways Logo
DFW-ONT
3h 10mdirect
Qatar Airways Logo
ONT-DFW
3h 04mdirect
Qatar Airways
Find Deal
Frontier Logo
DFW-ONT
3h 09mdirect
Frontier Logo
ONT-DFW
3h 08mdirect
Frontier
Find Deal
Iberia Logo
DFW-ONT
3h 06mdirect
Iberia Logo
ONT-DFW
2h 56mdirect
Iberia
Find Deal
British Airways Logo
DFW-ONT
3h 09mdirect
British Airways Logo
ONT-DFW
3h 04mdirect
British Airways
Find Deal

Expert advice for your flight from Dallas to Ontario

 
Snippets provided in this section are AI-generated based on a summarization of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
American Airlines

American Airlines' Main Cabin Extra offers early boarding and complimentary drinks, enhancing comfort.


American Airlines provides high-speed Wi-Fi for purchase, ideal for staying connected during flights.

Frontier

Frontier's Economy Bundle includes a carry-on bag and seat choice, ideal for budget travelers.


For extra legroom, Premium Bundle offers seats with up to seven inches more space.

Read more about Frontierby Stefanie Waldek
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet Baskas

Harriet Baskas

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.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

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.

Read more

KAYAK's insights & trends for Dallas to Ontario flights

Get data-powered insights and trends into flights from Dallas to Ontario to help you find the cheapest flights, the best time to fly and much more.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Dallas/Fort Worth Airport to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Dallas/Fort Worth Airport to Ontario is September, where tickets cost C$ 198 (return) on average. On the other hand, the most expensive months are January and November, where the average cost of round-trip tickets is C$ 392 and C$ 381 respectively.

How far in advance should I book a flight from Dallas/Fort Worth Airport to Ontario?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Dallas/Fort Worth Airport to Ontario, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Dallas/Fort Worth Airport to Ontario, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Good to know

Low season

January

High season

December
Best time to beat the crowds but there is an average 31% increase in price.
Most popular time to fly (26% more expensive on average)

When to book flights from Dallas to Ontario

Are your dates flexible? Find out the best times to travel from Dallas to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Dallas to Ontario flights

  • Does Dallas/Fort Worth Airport (DFW) offer accessible services?

    DFW is a fully accessible airport. The airport has reserved parking spaces that can be accessed using valid disabled parking permits. They offer wheelchair assistance and dedicated seating for passengers with reduced mobility. Hard-of-hearing passengers have TDD telephones for requesting assistance and visual paging services. Low-vision passengers are catered to with signage in Braille.

  • What are the transport options from Downtown Dallas to Dallas/Fort Worth Airport?

    The Dallas Area Rapid Transport has the Orange Line and Green Line Trains operating every 20 minutes from West End Station to DFW Airport Station. The TreTrain of the Dallas Area Rapid Transit operates with an hourly interval, linking Victory Station in Downtown Dallas to Centerport Station in Irving. From the Centerport Station, you can use Line 431 bus to connect to Terminal B in DFW Airport.

  • Which airlines flying from Dallas/Fort Worth to Ontario have sustainable practices?

    Frontier Airlines is among the sustainable airlines flying the DFW to ONT route. It has adopted several sustainable practices, including fuel efficiency and greenhouse gas emission reduction. They are also replacing their old fleet with a new modernized fleet, using sustainable aviation fuel, and optimizing flight routes. They have also introduced carbon offsetting, waste reduction, and recycling programs to meet their sustainable goals.

  • Can a minor travel unaccompanied from Dallas/Fort Worth to Ontario?

    Unaccompanied minors traveling with United from DFW to ONT must be aged 5 to 14 years old. You must accompany your minor for check-in at the airport at least 30 minutes before departure. During check-in, you must provide relevant travel documents, including the minor’s consent form, which the parents or legal guardian fills out. You must also provide your contact information and that of the adult receiving the minor at the destination airport.

  • Which airlines offer Wi-Fi service onboard planes from Dallas to Ontario?

    American Airlines, Delta, and Alaska Airlines offer inflight Wi-Fi service on the Dallas to Ontario flight route.

  • Which aircraft models fly most regularly from Dallas to Ontario?

    The Airbus A321-100/200 is the aircraft model that flies most regularly on the Dallas to Ontario flight route.

  • Which airline alliances offer flights from Dallas to Ontario?

    oneworld is the only airline alliance operating flights between Dallas and Ontario.

  • On which days can I fly direct from Dallas to Ontario?

    There are direct flights from Dallas to Ontario on a daily basis.

  • How does KAYAK find such low prices on flights from Dallas to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Dallas to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Dallas to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Dallas is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Dallas to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Dallas with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Dallas to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Dallas up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Dallas/Fort Worth Airport to Ontario

  • Consider flying business or first-class from Dallas/Fort Worth International Airport (DFW) to Ontario International Airport (ONT) with American Airlines, Delta Air Lines, or United Airlines. Business-class passengers get complimentary access to the American Airlines Admirals Club Airside of Terminals A, B, C, D, and E, Delta Sky Club Airside of Terminal E, and United Club lounges Airside of Terminal E.
  • Flights from DFW to ONT often include at least a stop. The stopover cities include Denver (DEN) by Frontier, Las Vegas (LAS) by Frontier and Spirit, and Phoenix (PHX) by American.
  • Consider flying with American Airlines from DFW to ONT for a favorable carry-on baggage allowance at no additional charge. The airline allows you to bring a carry-on bag with dimensions limits of 22 x 14 x 9 inches and maximum weight of 40 lbs. You can also bring a personal item on board.
  • If you’re traveling with your pet from DFW to ONT, consider flying with Delta Air Lines. The airline allows small cats, dogs, and household birds who have attained at least 16 weeks of age in the cabin for a fee. You must secure your pet in a carrier with maximum dimensions of 18 x 11 x 11 inches. The combined weight of your pet and its carrier must also not exceed 18 lbs.
  • You can enjoy convenience when traveling with your child from DFW to ONT with United Airlines. The airline offers family-friendly perks, including early boarding, family seating, in-flight entertainment suitable for children, and child-friendly changing rooms.
See more tips

Prefer to fly direct from Dallas to Ontario?

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

Direct departures

Dallas/Fort Worth to Ontario

Monday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Tuesday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Wednesday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Thursday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Friday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Saturday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Sunday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

See more nonstop flights

Direct returns

Ontario to Dallas/Fort Worth

Monday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Tuesday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Wednesday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Thursday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Friday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Saturday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

Sunday

American Airlines,British Airways,Frontier, +2 more

American Airlines,British Airways, +3 more

See more nonstop flights
See more nonstop flights

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

Information on your arrival and departure airports

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