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$58+ Cheap flights from Raleigh to Ontario (RDU - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
ene. 26 — feb. 21
dom. 1/26
dom. 2/2
1 adult, Economy
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The best prices from Raleigh-Durham to Ontario are usually found in November or October, booked 23 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Raleigh to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$150
(Frontier)

One-way from

$58
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$456
Provider with most accurate pricing for Raleigh-Durham-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Raleigh-Durham-Ontario flights.
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From Raleigh-Durham to Ontario
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One-way flight from Raleigh-Durham to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Raleigh to Ontario

Cheapest flights from Raleigh to Ontario
Explore the most affordable flight options available from Raleigh to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 21, 2025.

This Frontier deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/245:20 pmRDU - ONT
1 stop9h 39mFrontier
mié. 2/2612:59 amONT - RDU
1 stop12h 21mFrontier
Deal found 1/20$150
This Delta deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/256:20 amRDU - ONT
1 stop8h 35mDelta
mié. 3/54:05 pmONT - RDU
1 stop11h 05mDelta
Deal found 1/20$343
This American Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/227:05 amRDU - ONT
1 stop8h 02mAmerican Airlines
sáb. 3/110:50 pmONT - RDU
1 stop6h 12mAmerican Airlines
Deal found 1/20$355
This Southwest deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/53:20 pmRDU - ONT
2 stops10h 00mSouthwest
mié. 3/126:35 amONT - RDU
2 stops9h 30mSouthwest
Deal found 1/21$378
This eDestinos deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 3/63:45 pmRDU - ONT
3 stops30h 28mMultiple Airlines
jue. 3/1310:44 amONT - RDU
2 stops19h 39mMultiple Airlines
Deal found 1/20$381
This United Airlines deal was found by Cheapflights users on 1/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/136:00 amRDU - ONT
2 stops11h 29mUnited Airlines
dom. 2/165:05 amONT - RDU
1 stop7h 00mUnited Airlines
Deal found 1/21$385
This Alaska Airlines deal was found by Cheapflights users on 1/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/245:50 pmRDU - ONT
1 stop30h 37mAlaska Airlines
jue. 2/2711:57 amONT - RDU
1 stop25h 53mAlaska Airlines
Deal found 1/20$442

Find flights from Raleigh to Ontario within your budget

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, Cheapflights users made 2,558,603 searches. Data last updated enero 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

lun. 2/24

5:20 pm-11:59 pm

1 stop9h 39m

Ontario

mié. 2/26

12:59 am-4:20 pm

1 stop12h 21m

$150

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mar. 2/25

6:20 am-11:55 am

1 stop8h 35m

Ontario

mié. 3/5

4:05 pm-6:10 am

1 stop11h 05m

$343

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

sáb. 2/22

7:05 am-12:07 pm

1 stop8h 02m

Ontario

sáb. 3/1

10:50 pm-8:02 am

1 stop6h 12m

$355

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mié. 4/30

7:20 am-3:32 pm

1 stop11h 12m

Ontario

sáb. 5/3

6:00 am-6:00 am

1 stop21h 00m

$372

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mié. 3/5

3:20 pm-10:20 pm

2 stops10h 00m

Ontario

mié. 3/12

6:35 am-7:05 pm

2 stops9h 30m

$378

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

jue. 3/6

3:45 pm-7:13 pm

3 stops30h 28m

Ontario

jue. 3/13

10:44 am-9:23 am

2 stops19h 39m

$381

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

jue. 2/13

6:00 am-2:29 pm

2 stops11h 29m

Ontario

dom. 2/16

5:05 am-3:05 pm

1 stop7h 00m

$385

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mar. 3/4

5:20 pm-11:59 pm

1 stop9h 39m

$58

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mar. 4/1

7:23 pm-11:54 pm

1 stop7h 31m

$172

RaleighOntario

RDU - ONT

RDUONT

Raleigh-Durham

mié. 4/23

7:20 am-3:32 pm

1 stop11h 12m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 13 results
1
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Compare providers for flights from Raleigh to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Ontario in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Raleigh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Raleigh to Ontario

Get recent, data-driven insights about flights from Raleigh to Ontario including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Raleigh to Ontario?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Ontario. Price data was last updated on January 17, 2025.

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Raleigh to Ontario?

Currently, August is the cheapest month in which you can book a flight from Raleigh to Ontario (average of $246). Flying from Raleigh to Ontario in March is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDU to ONT?

Find hourly flight availability from Raleigh to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Raleigh to Ontario by exploring options for tickets in the evening.

What is the cheapest day to fly from Raleigh to Ontario?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Ontario. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Raleigh to Ontario flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated enero 21, 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and United Airlines from Raleigh to Ontario to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,662 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,984 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,662 reviews

Food

7.2

Comfort

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Raleigh to Ontario round-trip?

    Flying on Frontier is currently your cheapest option to Ontario, with prices starting at $150. Additional round-trip tickets that might be worth considering are offered by Delta and American Airlines, with the lowest prices starting at $343 and $355, respectively. These flights start at 66% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Raleigh to Ontario one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $58. However, be on the lookout for offers from American Airlines and Alaska Airlines, as they are both options that can get you from Raleigh to Ontario for a low price.

  • Can I find deals for flights from Raleigh to Ontario that include hotel bookings?

    Yes. In addition to deals on Raleigh to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Ontario.

  • Can I find deals for business class flights from Raleigh to Ontario?

    Yes. Cheapflights offers flight deals from Raleigh to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Raleigh to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Raleigh to Ontario (average of $246). Flying from Raleigh to Ontario in March is currently the most expensive (average of $310). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Raleigh to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Raleigh to Ontario

Discover the top 6 airlines that operate flights from Raleigh to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$246FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$204Average$300FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$275Average$550FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$312Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$324Average$456FlexibilityNo cancel feeOn-time63%
DeltaCheapest$346Average$463FlexibilityNo cancel feeOn-timeN/A
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