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Durham

$89+ Cheap flights from Ontario (ONT) to Durham, NC

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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Durham are usually found in May or June, booked 78 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Ontario to Durham

Keep the following information in mind while searching for Ontario to Durham flight deals. Data was last updated April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$198
(Frontier)

One-way from

$89
(Frontier)

Popular in

November

Cheapest in

May

Average price

$381
Provider with most accurate pricing for Los Angeles-Raleigh-Durham flight deals.
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From Ontario to Durham
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One-way flight from Ontario to Durham
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Highest demand for flights based on searches. 15% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Ontario to Durham

Cheapest flights from Ontario to Durham
Explore the most affordable flight options available from Ontario to Durham. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Frontier deal was found by Cheapflights users on 4/15. 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.
Sun 5/412:59 amONT - RDU
1 stop12h 29mFrontier
Fri 5/95:28 pmRDU - ONT
1 stop9h 31mFrontier
Deal found 4/15$198
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Fri 5/26:24 pmONT - RDU
1 stop8h 36mAlaska Airlines
Tue 5/67:20 amRDU - ONT
1 stop11h 12mAlaska Airlines
Deal found 4/14$306
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/711:44 amONT - RDU
1 stop9h 15mDelta
Wed 5/146:29 amRDU - ONT
1 stop7h 39mDelta
Deal found 4/14$307
This United Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 5/101:20 pmONT - RDU
1 stop6h 40mUnited Airlines
Sat 5/175:00 pmRDU - ONT
1 stop8h 00mUnited Airlines
Deal found 4/14$327
This American Airlines deal was found by Cheapflights users on 4/13. 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.
Tue 5/2711:59 pmONT - RDU
1 stop7h 55mAmerican Airlines
Thu 5/2912:50 pmRDU - ONT
2 stops8h 33mAmerican Airlines
Deal found 4/13$330
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/612:59 amONT - RDU
1 stop12h 48mMultiple Airlines
Sat 5/107:20 amRDU - ONT
1 stop11h 12mMultiple Airlines
Deal found 4/13$381
This Southwest deal was found by Cheapflights users on 4/14. 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.
Fri 7/257:35 amONT - RDU
2 stops9h 05mSouthwest
Sun 7/275:20 pmRDU - ONT
2 stops9h 55mSouthwest
Deal found 4/14$427
This Hawaiian Airlines deal was found by Cheapflights users on 4/13. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/264:29 pmONT - RDU
1 stop10h 31mHawaiian Airlines
Thu 5/17:20 amRDU - ONT
1 stop11h 12mHawaiian Airlines
Deal found 4/13$561

Cheapflights Fare Finder

Customize your flight search to find flights from Ontario to Durham 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 April 15, 2025.
Use the filters below to find and compare flights from Ontario to Durham that are best for you.

Fly from

Ontario

Fly to

Durham

Route

Depart

Return

Price

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sun 5/4

12:59 am-4:28 pm

1 stop12h 29m

Raleigh-Durham

Fri 5/9

5:28 pm-11:59 pm

1 stop9h 31m

$198

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 5/29

11:44 am-11:59 pm

1 stop9h 15m

Raleigh-Durham

Wed 6/4

5:25 am-11:08 am

1 stop8h 43m

$325

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 5/27

10:40 pm-8:25 am

1 stop6h 45m

Raleigh-Durham

Thu 5/29

12:50 pm-6:23 pm

2 stops8h 33m

$330

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Wed 9/17

11:39 am-5:49 am

1 stop15h 10m

Raleigh-Durham

Mon 9/22

5:41 pm-11:59 pm

1 stop9h 18m

$342

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 7/25

7:35 am-7:40 pm

2 stops9h 05m

Raleigh-Durham

Sun 7/27

5:20 pm-12:15 am

2 stops9h 55m

$427

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Fri 5/30

1:36 pm-5:24 am

2 stops12h 48m

Raleigh-Durham

Wed 6/4

6:00 am-12:14 pm

1 stop9h 14m

$432

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 5/24

5:15 pm-6:00 am

1 stop9h 45m

$89

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Thu 5/15

4:45 pm-5:41 am

1 stop9h 56m

$145

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Sat 8/30

3:00 pm-5:49 am

1 stop11h 49m

$148

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

Tue 5/20

6:00 am-5:40 pm

1 stop8h 40m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 13 results
1
2

Best time to book a flight from Ontario to Durham

Have a flexible travel schedule? Discover the best time to fly to Durham from Ontario 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Durham

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Durham. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Durham, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Ontario to Durham (average of $206). Flying from Ontario to Durham in March is currently the most expensive (average of $295). 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 ONT to DU8?

Find hourly flight availability from Ontario to Durham. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Durham as you normally would.

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

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

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

Rainfall in Durham by month

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

In terms of precipitation, rainfall in Durham ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Durham when rainfall is around 2.9 in.

Temperature in Durham by month

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

If weather is an important factor for your trip to Durham, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Durham

Get insights into the airlines that provide service to Durham. 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 Durham. Reviews last updated April 15, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Durham. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,918 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,375 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Crew

8.5

Boarding

8.2

Food

7.1

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

  • What airport do you fly from for flights from Ontario to Durham?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Durham. You should not have trouble finding flights to Durham from Ontario; the airport handles an average of 0 outbound flights to Durham per day. You should also have plenty of airline options to choose from since 5 airlines have flights from the Ontario airport to Durham. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

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

    The cheapest airlines for a one-way flight from Ontario to Durham are Frontier ($89), Alaska Airlines ($148), and Delta ($154).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Durham 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 Ontario to Durham?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Durham (average of $206). Flying from Ontario to Durham in March is currently the most expensive (average of $295). 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.

See more FAQs

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Top 5 airlines flying from Ontario to Durham

Discover the top 5 airlines that operate flights from Ontario to Durham. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$279FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$550FlexibilityNo cancel feeOn-time69%
DeltaCheapest$305Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$520FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$351Average$452FlexibilityNo cancel feeOn-time63%

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