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Cheap flights from Raleigh to Los Angeles from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Los Angeles departing on 2/19. 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
7:39 pm - 12:20 amRDU-ONT
7h 41m1 stop
Frontier Logo
6:20 am - 6:44 pmONT-RDU
9h 24m1 stop
$138Frontier
Find Deal
Mon, Jan 26 - Fri, Jan 30
Frontier Logo
7:36 pm - 11:56 pmRDU-ONT
7h 20m1 stop
Frontier Logo
6:00 am - 6:41 pmONT-RDU
9h 41m1 stop
$142Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
7:06 pm - 4:33 pmRDU-ONT
24h 27m1 stop
Frontier Logo
2:59 pm - 7:08 pmONT-RDU
25h 09m1 stop
$146Frontier
Find Deal
Thu, Dec 4 - Sun, Dec 7
Frontier Logo
7:36 pm - 11:56 pmRDU-ONT
7h 20m1 stop
Frontier Logo
6:00 am - 6:41 pmONT-RDU
9h 41m1 stop
$162Frontier
Find Deal
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
9:23 pm - 5:32 pmRDU-ONT
23h 09m1 stop
Frontier Logo
7:33 pm - 9:13 amONT-RDU
10h 40m1 stop
$181Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
7:06 pm - 4:33 pmRDU-ONT
24h 27m1 stop
Frontier Logo
7:33 pm - 9:13 amONT-RDU
10h 40m1 stop
$182Frontier
Find Deal
Thu, Dec 4 - Thu, Dec 11
Frontier Logo
10:09 am - 5:32 pmRDU-ONT
10h 23m1 stop
Frontier Logo
7:33 pm - 9:13 amONT-RDU
10h 40m1 stop
$184Frontier
Find Deal
Mon, Dec 8 - Thu, Dec 11
Frontier Logo
4:42 pm - 1:37 pmRDU-ONT
23h 55m2 stops
Frontier Logo
6:20 am - 6:44 pmONT-RDU
9h 24m1 stop
$186Frontier
Find Deal
Mon, Jan 26 - Fri, Jan 30
Frontier Logo
9:23 pm - 2:25 pmRDU-ONT
20h 02m2 stops
Frontier Logo
7:33 pm - 9:13 amONT-RDU
10h 40m1 stop
$196Frontier
Find Deal
Sun, Dec 7 - Thu, Dec 11
Frontier Logo
7:36 pm - 11:59 pmRDU-ONT
7h 23m1 stop
Frontier Logo
6:00 am - 6:41 pmONT-RDU
9h 41m1 stop
$203Frontier
Find Deal
Thu, Feb 26 - Thu, Mar 12

Frontier flights from Raleigh to Ontario

Our best Frontier deals on Raleigh to Ontario flight tickets
Frontier
Jan 26
RDU7:39 pmRaleigh-Durham
7h 41m
1 stop
ONT12:20 amOntario
Jan 30
ONT6:20 amOntario
9h 24m
1 stop
RDU6:44 pmRaleigh-Durham
$138
Find similar
Frontier
Jan 8
RDU7:36 pmRaleigh-Durham
7h 20m
1 stop
ONT11:56 pmOntario
Jan 12
ONT6:00 amOntario
9h 41m
1 stop
RDU6:41 pmRaleigh-Durham
$142
Find similar
Frontier
Dec 4
RDU7:06 pmRaleigh-Durham
24h 27m
1 stop
ONT4:33 pmOntario
Dec 7
ONT2:59 pmOntario
25h 09m
1 stop
RDU7:08 pmRaleigh-Durham
$146
Find similar

Delta flights from Raleigh to Ontario

Our best Delta deals on Raleigh to Ontario flight tickets
Delta
Jan 21
RDU7:36 amRaleigh-Durham
9h 20m
1 stop
ONT1:56 pmOntario
Jan 24
ONT7:30 amOntario
13h 18m
2 stops
RDU11:48 pmRaleigh-Durham
$258
Find similar
Delta
Jan 21
RDU5:30 amRaleigh-Durham
11h 26m
2 stops
ONT1:56 pmOntario
Jan 24
ONT7:30 amOntario
13h 10m
2 stops
RDU11:40 pmRaleigh-Durham
$264
Find similar
Delta
Dec 10
RDU7:35 pmRaleigh-Durham
7h 23m
1 stop
ONT11:58 pmOntario
Dec 12
ONT10:25 pmOntario
8h 29m
1 stop
RDU9:54 amRaleigh-Durham
$297
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Raleigh 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 November 21, 2025.
Use the filters below to find and compare flights from Raleigh to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Mon 1/26

7:39 pm-12:20 am

1 stop7h 41m

Ontario

Fri 1/30

6:20 am-6:44 pm

1 stop9h 24m

$138

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 1/8

7:36 pm-11:56 pm

1 stop7h 20m

Ontario

Mon 1/12

6:00 am-6:41 pm

1 stop9h 41m

$142

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 12/4

7:06 pm-4:33 pm

1 stop24h 27m

Ontario

Sun 12/7

2:59 pm-7:08 pm

1 stop25h 09m

$146

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 1/8

7:36 pm-11:56 pm

1 stop7h 20m

Ontario

Mon 1/12

6:00 am-6:41 pm

1 stop9h 41m

$162

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sun 12/7

9:23 pm-5:32 pm

1 stop23h 09m

Ontario

Thu 12/11

7:33 pm-9:13 am

1 stop10h 40m

$181

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 12/4

7:06 pm-4:33 pm

1 stop24h 27m

Ontario

Thu 12/11

7:33 pm-9:13 am

1 stop10h 40m

$182

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Mon 12/8

10:09 am-5:32 pm

1 stop10h 23m

Ontario

Thu 12/11

7:33 pm-9:13 am

1 stop10h 40m

$184

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Mon 1/26

4:42 pm-1:37 pm

2 stops23h 55m

Ontario

Fri 1/30

6:20 am-6:44 pm

1 stop9h 24m

$186

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Sun 12/7

9:23 pm-2:25 pm

2 stops20h 02m

Ontario

Thu 12/11

7:33 pm-9:13 am

1 stop10h 40m

$196

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

Thu 2/26

7:36 pm-11:59 pm

1 stop7h 23m

Ontario

Thu 3/12

6:00 am-6:41 pm

1 stop9h 41m

$203

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 Raleigh 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, October is the cheapest month to fly from Raleigh to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $284. If you aren’t able to travel during the month of October, then book flights to Ontario from Raleigh during March instead. Flights to Ontario in March, while not as cheap as those in October, still average around $350.

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 Monday when prices can be found for as low as $376. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Raleigh to Ontario for around $516.

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

In the evening is the cheapest time of day to fly from Raleigh to Ontario when you can find flight prices for as low as $327. Flying to Ontario in the evening 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 morning when prices are $456 on average. Flights to Ontario from Raleigh in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Ontario from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from Raleigh for as low as $362 on momondo.

How have Raleigh to Ontario flight prices changed over time?

As of November 2025, prices for Raleigh to Ontario flights are approximately 26% more expensive when compared to flights at the same time last year.

When to book flights from Raleigh to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Raleigh to Ontario (RDU to ONT) flight deals and tips

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

Direct flights

None
There are no direct flights from Raleigh to Ontario. There are no popular flight routes from Raleigh to Ontario.
Search flight deals

  • How far is Raleigh-Durham to Ontario by plane?

    Raleigh-Durham and Ontario are 2197.3 mi apart from one another. Flights usually cover this in 7h 20m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to Ontario Airport?

    Prices for flights from Raleigh-Durham Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to Ontario Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport to Ontario Airport?

    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 Raleigh-Durham Airport to Ontario Airport.

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

    The required travel and health documents for your Ontario Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Raleigh to Ontario?

Best airlines flying from Raleigh to Ontario

Compare and see reviews for airlines that fly from Raleigh to Ontario with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $159Free CancellationRating
5.8
3,104 reviews
Search Frontier flights
American AirlinesPriceFrom $266Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $285Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,002 reviews
Search Delta flights
SouthwestPriceFrom $324Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Why use momondo?

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

Finding the right flight to Ontario from Raleigh is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.

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

Flights from Raleigh 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 Raleigh to Ontario?

Once you have performed a search for Raleigh 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 Raleigh to Ontario right now. Can momondo alert me if prices change?

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

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