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Cheap flights from Ontario to Raleigh from $75

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 Raleigh 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.
1 adult
0 bags

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Find the cheapest flights from Ontario to Raleigh

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:30 am - 4:00 pm
ONT
-
RDU
29h 30m
1 stop
Frontier Logo
5:11 pm - 11:59 pm
RDU
-
ONT
9h 48m
1 stop
$155Frontier
Wed, Feb 18 - Sat, Feb 21
Frontier Logo
6:00 am - 4:16 pm
ONT
-
RDU
7h 16m
1 stop
Frontier Logo
5:11 pm - 11:59 pm
RDU
-
ONT
9h 48m
1 stop
$164Frontier
Sat, Feb 14 - Sat, Feb 21
Frontier Logo
6:00 am - 4:16 pm
ONT
-
RDU
7h 16m
1 stop
Frontier Logo
5:11 pm - 7:59 am
RDU
-
ONT
17h 48m
1 stop
$165Frontier
Sat, Feb 14 - Sat, Feb 21
Frontier Logo
6:05 am - 4:00 pm
ONT
-
RDU
6h 55m
1 stop
Frontier Logo
6:43 pm - 11:59 pm
RDU
-
ONT
8h 16m
1 stop
$166Frontier
Thu, Feb 19 - Tue, Mar 10
Frontier Logo
8:40 am - 4:00 pm
ONT
-
RDU
28h 20m
1 stop
Frontier Logo
5:11 pm - 7:59 am
RDU
-
ONT
17h 48m
1 stop
$173Frontier
Wed, Feb 25 - Sat, Feb 28
Frontier Logo
6:05 am - 4:00 pm
ONT
-
RDU
6h 55m
1 stop
Frontier Logo
4:55 pm - 11:59 pm
RDU
-
ONT
10h 04m
1 stop
$180Frontier
Thu, Feb 19 - Thu, Feb 26
Frontier Logo
2:08 pm - 1:39 pm
ONT
-
RDU
20h 31m
1 stop
Frontier Logo
7:55 am - 12:23 pm
RDU
-
ONT
31h 28m
1 stop
$181Frontier
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
6:15 am - 5:48 pm
ONT
-
RDU
8h 33m
1 stop
Frontier Logo
6:43 pm - 11:59 pm
RDU
-
ONT
8h 16m
1 stop
$185Frontier
Sat, Mar 7 - Sat, Mar 14
Frontier Logo
7:30 am - 4:00 pm
ONT
-
RDU
29h 30m
1 stop
Frontier Logo
5:11 pm - 11:59 pm
RDU
-
ONT
9h 48m
1 stop
$187Frontier
Wed, Feb 18 - Mon, Feb 23
Frontier Logo
2:08 pm - 1:39 pm
ONT
-
RDU
20h 31m
1 stop
Frontier Logo
6:55 pm - 7:26 am
RDU
-
ONT
39h 31m
2 stops
$197Frontier
Thu, Feb 19 - Thu, Feb 26

Frontier flights from Ontario to Raleigh

Our best Frontier deals on Ontario to Raleigh flight tickets
Frontier
Feb 18
ONT7:30 amOntario
29h 30m
1 stop
RDU4:00 pmRaleigh-Durham
Feb 21
RDU5:11 pmRaleigh-Durham
9h 48m
1 stop
ONT11:59 pmOntario
$155
Frontier
Feb 14
ONT6:00 amOntario
7h 16m
1 stop
RDU4:16 pmRaleigh-Durham
Feb 21
RDU5:11 pmRaleigh-Durham
9h 48m
1 stop
ONT11:59 pmOntario
$164
Frontier
Feb 14
ONT6:00 amOntario
7h 16m
1 stop
RDU4:16 pmRaleigh-Durham
Feb 21
RDU5:11 pmRaleigh-Durham
17h 48m
1 stop
ONT7:59 amOntario
$165

United Airlines flights from Ontario to Raleigh

Our best United Airlines deals on Ontario to Raleigh flight tickets
United Airlines
Jan 28
ONT8:00 amOntario
10h 18m
2 stops
RDU9:18 pmRaleigh-Durham
Feb 1
RDU6:15 amRaleigh-Durham
9h 32m
2 stops
ONT12:47 pmOntario
$568
United Airlines
Jan 28
ONT1:24 pmOntario
6h 51m
1 stop
RDU11:15 pmRaleigh-Durham
Feb 1
RDU8:03 amRaleigh-Durham
7h 44m
1 stop
ONT12:47 pmOntario
$657
United Airlines
Jan 29
ONT6:39 pmOntario
12h 33m
2 stops
RDU10:12 amRaleigh-Durham
Feb 1
RDU6:00 amRaleigh-Durham
18h 58m
3 stops
ONT9:58 pmOntario
$673

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Raleigh 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 January 15, 2026.
Use the filters below to find and compare flights from Ontario to Raleigh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 2/18

7:30 am-4:00 pm

1 stop29h 30m

Raleigh-Durham

Sat 2/21

5:11 pm-11:59 pm

1 stop9h 48m

$155

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 2/14

6:00 am-4:16 pm

1 stop7h 16m

Raleigh-Durham

Sat 2/21

5:11 pm-11:59 pm

1 stop9h 48m

$164

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 2/14

6:00 am-4:16 pm

1 stop7h 16m

Raleigh-Durham

Sat 2/21

5:11 pm-7:59 am

1 stop17h 48m

$165

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/19

6:05 am-4:00 pm

1 stop6h 55m

Raleigh-Durham

Tue 3/10

6:43 pm-11:59 pm

1 stop8h 16m

$166

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 2/25

8:40 am-4:00 pm

1 stop28h 20m

Raleigh-Durham

Sat 2/28

5:11 pm-7:59 am

1 stop17h 48m

$173

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/19

6:05 am-4:00 pm

1 stop6h 55m

Raleigh-Durham

Thu 2/26

4:55 pm-11:59 pm

1 stop10h 04m

$180

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/19

2:08 pm-1:39 pm

1 stop20h 31m

Raleigh-Durham

Sun 2/22

7:55 am-12:23 pm

1 stop31h 28m

$181

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 3/7

6:15 am-5:48 pm

1 stop8h 33m

Raleigh-Durham

Sat 3/14

6:43 pm-11:59 pm

1 stop8h 16m

$185

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 2/18

7:30 am-4:00 pm

1 stop29h 30m

Raleigh-Durham

Mon 2/23

5:11 pm-11:59 pm

1 stop9h 48m

$187

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 2/19

2:08 pm-1:39 pm

1 stop20h 31m

Raleigh-Durham

Thu 2/26

6:55 pm-7:26 am

2 stops39h 31m

$197

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Raleigh from

How to get the cheapest flight ticket from Ontario to Raleigh

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 Raleigh?

The cheapest month to fly to Raleigh from Ontario is in August. Flight prices, which tend to average around $308, are often lower during this time because this is during the off-season. If you are unable to visit Raleigh during the month of August, then departing from Ontario during the month October is also very affordable. Most momondo users find prices during this month for around $325.

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

The cheapest day to depart from Ontario to Raleigh is on a Wednesday when prices can be found for as low as $362. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $464. These prices are subject to change though, so be sure to set up a Price Alert for flights to Raleigh.

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

At noon is the cheapest time of day to fly from Ontario to Raleigh when you can find flight prices for as low as $288. Flying to Raleigh at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Raleigh is in the evening when prices are around $428.

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

You are more likely to see cheaper flights to Raleigh from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Raleigh for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Raleigh from Ontario for as low as $262 on momondo.

How have Ontario to Raleigh flight prices changed over time?

As of January 2026, prices for Ontario to Raleigh flights are approximately 7% more expensive when compared to flights at the same time last year.

When to book flights from Ontario to Raleigh

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

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

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

Fastest flight time

6h 26m

Direct flights

None
The fastest flight from Ontario to Raleigh takes 6h 26m
There are no direct flights from Ontario to Raleigh. There are no popular flight routes from Ontario to Raleigh.
Search flight deals

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

    The straight-line distance from Ontario to Raleigh-Durham is 2197.3 mi. Typically, this will take 6h 26m by plane in normal conditions.

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

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

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

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

  • What documentation or ID do you need to fly to Raleigh-Durham Airport?

    The necessary travel and health documents for your Raleigh-Durham Airport 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.

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

Best airlines flying from Ontario to Raleigh

Compare and see reviews for airlines that fly from Ontario to Raleigh with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $150Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $290Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,051 reviews
Search Delta flights

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Durham
Danville
Cary
Rocky Mount
Goldsboro
Chapel Hill
Smithfield
Wilson
South Hill
Garner
Pinehurst
Southern Pines
Roanoke Rapids
Sanford
Wake Forest
Morrisville
Henderson
Dunn
Apex
Selma

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Raleigh from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

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 Raleigh from Ontario.

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

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

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