Cheap flights from Ontario to Dallas from $68

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Dallas departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Ontario to Dallas

Cheap round-trip flights

Frontier Logo
8:24 am - 1:31 pmONT-DFW
3h 07mnonstop
Frontier Logo
5:40 am - 6:52 amDFW-ONT
3h 12mnonstop
$116Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
4:14 pm - 9:26 pmONT-DFW
3h 12mnonstop
Frontier Logo
5:03 pm - 6:15 pmDFW-ONT
3h 12mnonstop
$118Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Frontier Logo
8:24 am - 1:31 pmONT-DFW
3h 07mnonstop
Frontier Logo
5:40 am - 6:52 amDFW-ONT
3h 12mnonstop
$119Frontier
Find Deal
Fri, Oct 31 - Sun, Nov 2
Frontier Logo
9:46 pm - 5:40 amONT-DFW
5h 54m1 stop
Frontier Logo
5:03 pm - 6:15 pmDFW-ONT
3h 12mnonstop
$120Frontier
Find Deal
Thu, Sep 25 - Sun, Sep 28
Southwest Logo
3:40 pm - 10:55 pmONT-DAL
5h 15m1 stop
Southwest Logo
8:55 am - 10:10 amDAL-ONT
3h 15mnonstop
$149Southwest
Find Deal
Thu, Nov 6 - Sat, Nov 8
American Airlines Logo
2:54 pm - 7:57 pmONT-DFW
3h 03mnonstop
American Airlines Logo
10:52 am - 11:57 amDFW-ONT
3h 05mnonstop
$159American Airlines
Find Deal
Fri, Oct 3 - Tue, Oct 7
 Logo
12:18 pm - 5:32 pmONT-DFW
3h 14mnonstop
 Logo
6:05 pm - 7:47 amDFW-ONT
15h 42m1 stop
Thu, Oct 2 - Sun, Oct 12
Southwest Logo
6:45 am - 11:45 amONT-DAL
3h 00mnonstop
Southwest Logo
2:35 pm - 3:40 pmDAL-ONT
3h 05mnonstop
$204Southwest
Find Deal
Sat, Sep 13 - Sat, Sep 20
Delta Logo
11:55 am - 11:49 pmONT-DAL
9h 54m1 stop
Delta Logo
3:52 pm - 10:23 pmDAL-ONT
8h 31m1 stop
$237Delta
Find Deal
Sat, Sep 20 - Mon, Sep 22
Delta Logo
11:55 am - 11:49 pmONT-DAL
9h 54m1 stop
Delta Logo
3:52 pm - 10:23 pmDAL-ONT
8h 31m1 stop
$253Delta
Find Deal
Fri, Sep 19 - Tue, Sep 23

Frontier flights from Ontario to Dallas

Our best Frontier deals on Ontario to Dallas flight tickets
Frontier
Nov 7
ONT8:24 amOntario
3h 07m
DFW1:31 pmDallas/Fort Worth
Nov 9
DFW5:40 amDallas/Fort Worth
3h 12m
ONT6:52 amOntario
Frontier
Sep 25
ONT4:14 pmOntario
3h 12m
DFW9:26 pmDallas/Fort Worth
Sep 28
DFW5:03 pmDallas/Fort Worth
3h 12m
ONT6:15 pmOntario
Frontier
Oct 31
ONT8:24 amOntario
3h 07m
DFW1:31 pmDallas/Fort Worth
Nov 2
DFW5:40 amDallas/Fort Worth
3h 12m
ONT6:52 amOntario

Southwest flights from Ontario to Dallas

Our best Southwest deals on Ontario to Dallas flight tickets
Southwest
Nov 6
ONT3:40 pmOntario
5h 15m
1 stop
DAL10:55 pmDallas Love Field
Nov 8
DAL8:55 amDallas Love Field
3h 15m
ONT10:10 amOntario
Southwest
Sep 13
ONT6:45 amOntario
3h 00m
DAL11:45 amDallas Love Field
Sep 20
DAL2:35 pmDallas Love Field
3h 05m
ONT3:40 pmOntario
Southwest
Nov 6
ONT2:20 pmOntario
6h 05m
2 stops
DAL10:25 pmDallas Love Field
Nov 8
DAL8:55 amDallas Love Field
3h 15m
ONT10:10 amOntario

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Dallas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 30, 2025.
Use the filters below to find and compare flights from Ontario to Dallas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 11/7

8:24 am-1:31 pm

Nonstop3h 07m

Dallas/Fort Worth

Sun 11/9

5:40 am-6:52 am

Nonstop3h 12m

$116

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 9/25

4:14 pm-9:26 pm

Nonstop3h 12m

Dallas/Fort Worth

Sun 9/28

5:03 pm-6:15 pm

Nonstop3h 12m

$118

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 10/31

8:24 am-1:31 pm

Nonstop3h 07m

Dallas/Fort Worth

Sun 11/2

5:40 am-6:52 am

Nonstop3h 12m

$119

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 9/25

9:46 pm-5:40 am

1 stop5h 54m

Dallas/Fort Worth

Sun 9/28

5:03 pm-6:15 pm

Nonstop3h 12m

$120

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Thu 11/6

3:40 pm-10:55 pm

1 stop5h 15m

Dallas Love Field

Sat 11/8

8:55 am-10:10 am

Nonstop3h 15m

$149

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Fri 10/3

2:54 pm-7:57 pm

Nonstop3h 03m

Dallas/Fort Worth

Tue 10/7

10:52 am-11:57 am

Nonstop3h 05m

$159

OntarioDallas

ONT - DFW

ONTDFW

Ontario

Thu 10/2

12:18 pm-5:32 pm

Nonstop3h 14m

Dallas/Fort Worth

Sun 10/12

6:05 pm-7:47 am

1 stop15h 42m

$163

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Sat 9/13

6:45 am-11:45 am

Nonstop3h 00m

Dallas Love Field

Sat 9/20

2:35 pm-3:40 pm

Nonstop3h 05m

$204

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Sat 9/20

11:55 am-11:49 pm

1 stop9h 54m

Dallas Love Field

Mon 9/22

3:52 pm-10:23 pm

1 stop8h 31m

$237

OntarioDallas

ONT - DAL

ONTDAL

Ontario

Fri 9/19

11:55 am-11:49 pm

1 stop9h 54m

Dallas Love Field

Tue 9/23

3:52 pm-10:23 pm

1 stop8h 31m

$253

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Dallas from

How to get the cheapest flight ticket from Ontario to Dallas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Dallas?

If you are unable to visit Dallas during the month of April, then departing from Ontario during the month March is also very affordable. Most momondo users find prices during this month for around $199.

What is the cheapest day to depart on your flight to Dallas?

On average, the least expensive day to fly to Dallas from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $334. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $434.

What is the cheapest time of day to depart on your flight to Dallas?

Flying to Dallas from Ontario in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $301 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Dallas, so prices are often more expensive at around $402 per ticket.

What is the cheapest Ontario to Dallas flight route?

Fly from Ontario to Dallas/Fort Worth for the best Ontario - Dallas flight prices

How far in advance should I book a flight to Dallas?

You are more likely to see cheaper flights to Dallas from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Dallas for around $234 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Dallas from Ontario for as low as $195 on momondo.

What cabin class options are available on Ontario to Dallas flights?

There are 4 cabin classes available to choose from on Ontario to Dallas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Ontario to Dallas flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Dallas

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Dallas

2 airports
The fastest flight from Ontario to Dallas takes 2h 45m
Direct flights go from Ontario to Dallas every day.
There are 2 airports near Dallas: Dallas/Fort Worth (DFW), Dallas Love Field (DAL)
  • How far is Ontario to Dallas by plane?

    Dallas is 1202.4 mi away from Ontario. By plane, this route typically takes 2h 50m.

  • When did momondo last update prices for flights from Ontario Airport to Dallas?

    Prices for flights from Ontario Airport to Dallas refresh daily.

  • How many operators does momondo search for flights from Ontario Airport to Dallas?

  • How old do you have to be to fly from Ontario Airport to Dallas?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Dallas.

  • What documentation or ID do you need to fly to Dallas?

    The necessary travel and health documents for your Dallas trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ontario to Dallas

Compare and see reviews for airlines that fly from Ontario to Dallas with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $81Free CancellationRating
6.3
8,019 reviews
Search Spirit Airlines flights
FrontierPriceFrom $83Free CancellationRating
5.8
3,203 reviews
Search Frontier flights
American AirlinesPriceFrom $181Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $185Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $225Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $297Free CancellationRating
7.9
7,978 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Dallas?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Dallas from Ontario.

Can I find flights from Ontario to Dallas with flexible booking policies on momondo?

Flights from Ontario to Dallas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Dallas?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Dallas from Ontario.

I’m not ready to book a flight from Ontario to Dallas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to Dallas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Dallas and let you know when they change.

An easier way to manage your Dallas trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 9/4
Thu 9/11

Find better results for your trip to the United States

Fly into one of these airports located in Dallas

Airports listed have a maximum distance of 15.5 mi from Dallas