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Durham

$80+ 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 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
janv. 17 — janv. 241
sam. 1/17
sam. 1/24
1 adult, Economy
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Find cheap flights from Ontario to Durham with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Ontario to Durham are usually found in August or October, booked 37 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap 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 décembre 18, 2025.

This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/256:45 amONT - RDU
1 stop8h 56mFrontier
mer. 12/317:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/15$255
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/256:45 amONT - RDU
1 stop8h 56mFrontier
ven. 1/27:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/16$278
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/246:45 amONT - RDU
1 stop8h 56mFrontier
ven. 1/27:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/16$338
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/316:45 amONT - RDU
1 stop8h 56mFrontier
dim. 1/48:43 pmRDU - ONT
1 stop23h 47mFrontier
Deal found 12/16$348
This Frontier deal was found by Cheapflights users on 12/15. 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.
mer. 12/246:45 amONT - RDU
1 stop8h 56mFrontier
mer. 12/317:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/15$363
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/266:20 pmONT - RDU
1 stop21h 21mFrontier
lun. 1/57:36 pmRDU - ONT
1 stop29h 36mFrontier
Deal found 12/15$364
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 12/266:20 pmONT - RDU
1 stop21h 21mFrontier
ven. 1/27:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/16$368
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/316:45 amONT - RDU
1 stop8h 56mFrontier
lun. 1/57:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/14$393
This Frontier deal was found by Cheapflights users on 12/15. 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.
mer. 12/246:45 amONT - RDU
1 stop8h 56mFrontier
jeu. 1/17:36 pmRDU - ONT
1 stop7h 23mFrontier
Deal found 12/15$413
This CheapOair deal was found by Cheapflights users on 12/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/296:20 pmONT - RDU
1 stop22h 36mFrontier
sam. 1/35:20 pmRDU - ONT
1 stop9h 39mFrontier
Deal found 12/16$414
This eDestinos deal was found by Cheapflights users on 12/16. 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.
lun. 12/226:00 pmONT - RDU
2 stops20h 19mFrontier
dim. 1/410:30 pmRDU - ONT
2 stops50h 42mFrontier
Deal found 12/16$415

Find flight deals from Ontario to Durham

Keep the following information in mind while searching for Ontario to Durham flight deals. Data was last updated décembre 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$149
(CheapOair)

One-way from

$80
(Expedia)

Popular in

January

Cheapest in

August

Average price

$456
Provider with most accurate pricing for Los Angeles-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Raleigh-Durham flights.
Search Deals
From Ontario to Durham
Search Deals
One-way flight from Ontario to Durham
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 décembre 18, 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

mer. 1/21

6:00 am-9:18 pm

2 stops12h 18m

Raleigh-Durham

mer. 1/28

4:44 pm-9:58 pm

1 stop8h 14m

$242

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

dim. 1/18

6:10 am-6:44 pm

1 stop9h 34m

Raleigh-Durham

dim. 2/1

7:29 pm-12:20 am

1 stop7h 51m

$252

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

ven. 1/23

10:30 pm-8:54 am

1 stop7h 24m

Raleigh-Durham

sam. 1/31

7:15 am-1:56 pm

1 stop9h 41m

$267

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

mer. 1/21

10:30 pm-9:55 am

1 stop8h 25m

Raleigh-Durham

mar. 1/27

7:36 am-1:56 pm

1 stop9h 20m

$267

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

lun. 1/19

10:30 pm-8:52 am

1 stop7h 22m

Raleigh-Durham

mer. 1/28

7:36 am-1:56 pm

1 stop9h 20m

$267

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

sam. 1/17

12:41 pm-12:15 am

1 stop8h 34m

Raleigh-Durham

mar. 1/27

7:36 am-1:56 pm

1 stop9h 20m

$267

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

lun. 1/19

10:30 pm-8:52 am

1 stop7h 22m

Raleigh-Durham

mar. 1/27

7:36 am-1:56 pm

1 stop9h 20m

$267

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

dim. 1/18

1:11 pm-11:48 pm

1 stop7h 37m

Raleigh-Durham

sam. 1/31

4:50 pm-9:05 pm

1 stop7h 15m

$297

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

dim. 1/18

1:11 pm-11:48 pm

1 stop7h 37m

Raleigh-Durham

mer. 1/28

7:00 am-12:16 pm

1 stop8h 16m

$297

OntarioRaleigh

ONT - RDU

ONTRDU

Ontario

sam. 1/17

10:30 pm-10:03 am

1 stop8h 33m

Raleigh-Durham

sam. 1/24

2:58 pm-9:05 pm

1 stop9h 07m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 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 December 12, 2025.

To ensure you get the cheapest price possible for a flight from Ontario to Durham, you should look to book at least 37 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, March is the cheapest month in which you can book a flight from Ontario to Durham (average of $126). Flying from Ontario to Durham in December is currently the most expensive (average of $267). 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 décembre 18, 2025.

When flying from Ontario to Durham, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 37% versus a flight in the morning.

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 décembre 18, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Ontario to Durham to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Frontier
5.8
Fair
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from Ontario to Durham?

    There are many flights that can get you from Ontario to Durham in 7h 24m. Fly via United Airlines, Frontier, or Delta to get the fastest option. Ontario and Durham are separated by a distance of 2185 mi. This flight may include one or multiple stops.

  • 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 ($77), American Airlines ($144), and United Airlines ($144).

  • 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, March is the cheapest month in which you can book a flight from Ontario to Durham (average of $126). Flying from Ontario to Durham in December is currently the most expensive (average of $267). 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 décembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$151Average$278FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$278Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$290Average$542FlexibilityNo cancel feeOn-time71%
DeltaCheapest$296Average$428FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$306Average$439FlexibilityNo cancel feeOn-time63%

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