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Cheap flights from Dallas to Los Angeles from $57

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas to Los Angeles departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:55 pm - 7:59 am
DFW
-
ONT
12h 04m
1 stop
Frontier Logo
7:17 pm - 5:47 am
ONT
-
DFW
8h 30m
1 stop
$128Frontier
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
10:16 pm - 1:11 pm
DFW
-
ONT
16h 55m
1 stop
Frontier Logo
6:15 am - 12:36 am
ONT
-
DFW
16h 21m
1 stop
$130Frontier
Mon, Mar 2 - Sat, Mar 7
Frontier Logo
10:31 pm - 1:11 pm
DFW
-
ONT
16h 40m
1 stop
Frontier Logo
6:15 am - 4:02 pm
ONT
-
DFW
7h 47m
1 stop
$131Frontier
Tue, Mar 3 - Tue, Mar 10
Frontier Logo
10:16 pm - 1:11 pm
DFW
-
ONT
16h 55m
1 stop
Frontier Logo
6:15 am - 12:36 am
ONT
-
DFW
16h 21m
1 stop
$133Frontier
Mon, Feb 16 - Sat, Mar 7
Frontier Logo
8:31 pm - 11:59 pm
DFW
-
ONT
5h 28m
1 stop
Frontier Logo
6:15 am - 12:36 am
ONT
-
DFW
16h 21m
1 stop
$134Frontier
Mon, Mar 2 - Sat, Mar 7
Delta Logo
6:00 am - 12:02 pm
DAL
-
ONT
8h 02m
1 stop
Delta Logo
1:15 pm - 10:31 pm
ONT
-
DAL
7h 16m
1 stop
$229Delta
Tue, Mar 3 - Wed, Mar 4
Delta Logo
6:00 am - 12:02 pm
DAL
-
ONT
8h 02m
1 stop
Delta Logo
12:57 pm - 10:45 pm
ONT
-
DAL
7h 48m
1 stop
$239Delta
Tue, Mar 3 - Tue, Mar 10
Southwest Logo
7:45 pm - 9:05 pm
DAL
-
ONT
3h 20mnonstop
Southwest Logo
11:00 am - 3:45 pm
ONT
-
DAL
2h 45mnonstop
$244Southwest
Fri, Feb 27 - Wed, Mar 4
Southwest Logo
5:20 pm - 6:40 pm
DAL
-
ONT
3h 20mnonstop
Southwest Logo
8:10 am - 1:05 pm
ONT
-
DAL
2h 55mnonstop
$249Southwest
Tue, Mar 3 - Sat, Mar 7
Southwest Logo
3:40 pm - 6:50 pm
DAL
-
ONT
5h 10m
1 stop
Southwest Logo
11:00 am - 3:45 pm
ONT
-
DAL
2h 45mnonstop
$250Southwest
Sat, Feb 28 - Wed, Mar 4

Southwest flights from Dallas to Ontario

Our best Southwest deals on Dallas to Ontario flight tickets
Southwest
Feb 27
DAL7:45 pmDallas Love Field
3h 20m
ONT9:05 pmOntario
Mar 4
ONT11:00 amOntario
2h 45m
DAL3:45 pmDallas Love Field
$244
Southwest
Mar 3
DAL5:20 pmDallas Love Field
3h 20m
ONT6:40 pmOntario
Mar 7
ONT8:10 amOntario
2h 55m
DAL1:05 pmDallas Love Field
$249
Southwest
Feb 28
DAL3:40 pmDallas Love Field
5h 10m
1 stop
ONT6:50 pmOntario
Mar 4
ONT11:00 amOntario
2h 45m
DAL3:45 pmDallas Love Field
$250

Frontier flights from Dallas to Ontario

Our best Frontier deals on Dallas to Ontario flight tickets
Frontier
Feb 21
DFW9:55 pmDallas/Fort Worth
12h 04m
1 stop
ONT7:59 amOntario
Feb 25
ONT7:17 pmOntario
8h 30m
1 stop
DFW5:47 amDallas/Fort Worth
$128
Frontier
Mar 2
DFW10:16 pmDallas/Fort Worth
16h 55m
1 stop
ONT1:11 pmOntario
Mar 7
ONT6:15 amOntario
16h 21m
1 stop
DFW12:36 amDallas/Fort Worth
$130
Frontier
Mar 3
DFW10:31 pmDallas/Fort Worth
16h 40m
1 stop
ONT1:11 pmOntario
Mar 10
ONT6:15 amOntario
7h 47m
1 stop
DFW4:02 pmDallas/Fort Worth
$131

momondo Fare Finder

 
Customize your flight search to find flights from Dallas to Ontario 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 February 3, 2026.
Use the filters below to find and compare flights from Dallas to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Sat 2/21

9:55 pm-7:59 am

1 stop12h 04m

Ontario

Wed 2/25

7:17 pm-5:47 am

1 stop8h 30m

$128

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Mon 3/2

10:16 pm-1:11 pm

1 stop16h 55m

Ontario

Sat 3/7

6:15 am-12:36 am

1 stop16h 21m

$130

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Tue 3/3

10:31 pm-1:11 pm

1 stop16h 40m

Ontario

Tue 3/10

6:15 am-4:02 pm

1 stop7h 47m

$131

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Mon 2/16

10:16 pm-1:11 pm

1 stop16h 55m

Ontario

Sat 3/7

6:15 am-12:36 am

1 stop16h 21m

$133

DallasOntario

DFW - ONT

DFWONT

Dallas/Fort Worth

Mon 3/2

8:31 pm-11:59 pm

1 stop5h 28m

Ontario

Sat 3/7

6:15 am-12:36 am

1 stop16h 21m

$134

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 3/3

6:00 am-12:02 pm

1 stop8h 02m

Ontario

Wed 3/4

1:15 pm-10:31 pm

1 stop7h 16m

$229

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 3/3

6:00 am-12:02 pm

1 stop8h 02m

Ontario

Tue 3/10

12:57 pm-10:45 pm

1 stop7h 48m

$239

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Fri 2/27

7:45 pm-9:05 pm

Nonstop3h 20m

Ontario

Wed 3/4

11:00 am-3:45 pm

Nonstop2h 45m

$244

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Tue 3/3

5:20 pm-6:40 pm

Nonstop3h 20m

Ontario

Sat 3/7

8:10 am-1:05 pm

Nonstop2h 55m

$249

DallasOntario

DAL - ONT

DALONT

Dallas Love Field

Sat 2/28

3:40 pm-6:50 pm

1 stop5h 10m

Ontario

Wed 3/4

11:00 am-3:45 pm

Nonstop2h 45m

$250

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Dallas to Ontario

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 Ontario?

In general, February is the cheapest month to fly from Dallas to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $171. If you aren’t able to travel during the month of February, then book flights to Ontario from Dallas during April instead. Flights to Ontario in April, while not as cheap as those in February, still average around $176.

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

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $196. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to Ontario for around $249.

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

In the afternoon is the cheapest time of day to fly from Dallas to Ontario when you can find flight prices for as low as $201. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $294 on average. Flights to Ontario from Dallas in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Dallas to Ontario flight route?

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

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

You are more likely to see cheaper flights to Ontario from Dallas when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $225 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Dallas for as low as $175 on momondo.

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

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

Cheap Dallas to Ontario flight deals and tips

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

Fastest flight time

3h 00m

Direct flights

Every day

Airports in Ontario

1 airport
The fastest flight from Dallas to Ontario takes 3h 00m
Direct flights go from Dallas to Ontario every day.
There is 1 airport in Ontario. From Dallas there are direct flights to Ontario (ONT).
Search flight deals

  • How far is Dallas to Ontario by plane?

    The straight-line distance from Dallas to Ontario is 1202.4 mi. Flights usually cover this in 3h 00m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Dallas to Ontario Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Dallas to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Dallas to Ontario

Compare and see reviews for airlines that fly from Dallas to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $52Free CancellationRating
6.3
8,404 reviews
Search Spirit Airlines flights
FrontierPriceFrom $58Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
SouthwestPriceFrom $139Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
American AirlinesPriceFrom $163Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,138 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dallas to Ontario. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Dallas to Ontario 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 Dallas to Ontario?

Once you have performed a search for Dallas to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Ontario from Dallas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Ontario trip

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