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Durham

$98+ 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
may. 6 — may. 131
mar. 5/6
mar. 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Durham are usually found in May or February, booked 11 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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$206
(Cheapflightsfares)

One-way from

$98
(Cheapflightsfares)

Popular in

November

Cheapest in

May

Average price

$367
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 May 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 mayo 1, 2025.

This Frontier deal was found by Cheapflights users on 4/30. 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.
mar. 5/2012:59 amONT - RDU
1 stop12h 48mFrontier
sáb. 5/317:30 amRDU - ONT
1 stop11h 50mFrontier
Deal found 4/30$198
This Delta deal was found by Cheapflights users on 4/30. 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. 6/311:44 amONT - RDU
1 stop9h 15mDelta
mar. 6/175:20 pmRDU - ONT
1 stop8h 05mDelta
Deal found 4/30$307
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 5/286:41 pmONT - RDU
1 stop7h 13mUnited Airlines
mié. 6/410:20 amRDU - ONT
2 stops10h 19mUnited Airlines
Deal found 4/30$312
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 9/1711:39 amONT - RDU
1 stop15h 21mAlaska Airlines
lun. 9/227:36 amRDU - ONT
1 stop9h 33mAlaska Airlines
Deal found 4/30$324
This American Airlines deal was found by Cheapflights users on 4/30. 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. 6/2110:28 pmONT - RDU
1 stop6h 32mAmerican Airlines
sáb. 6/282:52 pmRDU - ONT
1 stop9h 21mAmerican Airlines
Deal found 4/30$347
This Southwest deal was found by Cheapflights users on 4/29. 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.
sáb. 5/317:20 amONT - RDU
2 stops12h 40mSouthwest
mié. 6/45:40 amRDU - ONT
2 stops9h 40mSouthwest
Deal found 4/29$372
This Expedia deal was found by Cheapflights users on 4/29. 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.
vie. 5/3012:59 amONT - RDU
1 stop12h 33mMultiple Airlines
mié. 6/47:20 amRDU - ONT
1 stop11h 30mMultiple Airlines
Deal found 4/29$431

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 mayo 1, 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

mié. 5/28

7:37 pm-6:00 am

1 stop7h 23m

Raleigh-Durham

vie. 5/30

7:30 am-11:43 am

1 stop7h 13m

$206

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

4:45 pm-5:41 am

1 stop9h 56m

Raleigh-Durham

dom. 6/8

5:18 pm-11:50 pm

1 stop9h 32m

$287

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 10/1

6:00 am-6:00 am

1 stop21h 00m

Raleigh-Durham

mar. 10/7

5:20 pm-10:39 am

1 stop20h 19m

$306

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

6:00 am-5:40 pm

1 stop8h 40m

Raleigh-Durham

mar. 6/17

6:25 am-10:38 am

1 stop7h 13m

$307

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 5/28

6:41 pm-4:54 am

1 stop7h 13m

Raleigh-Durham

mié. 6/4

10:20 am-5:39 pm

2 stops10h 19m

$312

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

vie. 6/20

12:59 am-11:00 am

1 stop7h 01m

Raleigh-Durham

sáb. 6/28

4:25 pm-9:13 pm

1 stop7h 48m

$347

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

vie. 6/13

3:20 pm-12:55 am

1 stop6h 35m

Raleigh-Durham

mar. 6/17

6:05 am-12:25 pm

2 stops9h 20m

$357

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mié. 5/28

7:37 pm-6:00 am

1 stop7h 23m

$98

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 6/3

4:45 pm-5:41 am

1 stop9h 56m

$148

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mar. 9/30

1:15 pm-10:45 pm

1 stop6h 30m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 15 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 25, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Durham, you should look to book at least 11 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 $294). 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 mayo 1, 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 mayo 1, 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
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 ($98), Alaska Airlines ($153), 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 $294). 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$150Average$283FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$242Average$550FlexibilityNo cancel feeOn-time69%
DeltaCheapest$305Average$471FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$518FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$351Average$451FlexibilityNo cancel feeOn-time63%

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