$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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
May 1 — May 81
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Durham with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Durham
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Cheapest flights from Ontario to DurhamExplore 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 1, 2026.
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 1, 2026.
This Frontier deal was found by Cheapflights users on 3/30. 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.
Fri 5/18:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Wed 5/612:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/31. 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.
Fri 5/112:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Sat 5/912:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Deal found 3/31![Frontier logo]()
$161
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Tue 5/512:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Deal found 3/30![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:33 pm
ONT
- RDU
1 stop22h 11m
Frontier
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 3/31![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Mon 4/275:33 pm
ONT
- RDU
1 stop22h 11m
Frontier
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:06 pm
ONT
- RDU
1 stop14h 31m
Frontier
Mon 5/1810:16 am
RDU
- ONT
1 stop24h 19m
Frontier
Deal found 3/28![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 3/27. 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.
Thu 4/166:15 am
ONT
- RDU
1 stop10h 43m
Frontier
Sun 4/199:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Deal found 3/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/27. 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.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Sat 5/29:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/27![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Mon 4/2010:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 3/29![Frontier logo]()
$187
This Expedia deal was found by Cheapflights users on 3/31. 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.
Mon 5/258:06 pm
ONT
- RDU
1 stop14h 31m
Frontier
Fri 5/2912:58 pm
RDU
- ONT
1 stop9h 13m
Frontier
Deal found 3/31![Frontier logo]()
$190
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Tue 4/1412:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Mon 4/209:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/27![Frontier logo]()
$191
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Sun 5/310:34 am
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/29![Frontier logo]()
$192
Best flights from Ontario to DurhamDiscover carefully curated flight deals from Ontario to Durham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
Discover carefully curated flight deals from Ontario to Durham that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 1, 2026.
This Delta deal was found by Cheapflights users on 3/27. 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 4/1512:49 pm
ONT
- RDU
1 stop8h 29m
Delta
Sun 4/195:38 am
RDU
- ONT
2 stops9h 36m
Delta
Deal found 3/27![Delta logo]()
$360
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 4/296:05 am
ONT
- RDU
1 stop6h 43m
United Airlines
Sat 5/28:00 am
RDU
- ONT
2 stops12h 52m
United Airlines
Deal found 3/31![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 3/31. 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.
Tue 6/165:15 am
ONT
- RDU
2 stops9h 25m
Southwest
Sat 6/204:55 pm
RDU
- ONT
2 stops8h 55m
Southwest
Deal found 3/31![Southwest logo]()
$496
This Delta deal was found by Cheapflights users on 3/31. 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.
Thu 5/286:45 am
ONT
- RDU
2 stops13h 41m
Delta
Sat 5/302:50 pm
RDU
- ONT
1 stop9h 58m
Delta
Deal found 3/31![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 5/56:59 pm
ONT
- RDU
1 stop9h 09m
United Airlines
Wed 5/64:53 pm
RDU
- ONT
1 stop8h 05m
United Airlines
Deal found 3/27![United Airlines logo]()
$465
This Southwest deal was found by Cheapflights users on 3/31. 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.
Mon 5/2512:40 pm
ONT
- RDU
2 stops8h 40m
Southwest
Fri 5/294:25 pm
RDU
- ONT
2 stops9h 40m
Southwest
Deal found 3/31![Southwest logo]()
$497
This Delta deal was found by Cheapflights users on 3/28. 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.
Sat 5/21:29 pm
ONT
- RDU
1 stop7h 20m
Delta
Sun 5/37:15 am
RDU
- ONT
1 stop7h 59m
Delta
Deal found 3/28![Delta logo]()
$467
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sun 5/36:59 pm
ONT
- RDU
2 stops11h 46m
United Airlines
Sat 5/910:05 am
RDU
- ONT
2 stops13h 31m
United Airlines
Deal found 3/28![United Airlines logo]()
$518
Last-minute flights from Ontario to DurhamDiscover last-minute flight deals from Ontario to Durham. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Durham. Data last updated April 1, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Tue 4/1412:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Mon 4/209:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/27![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 3/27. 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.
Thu 4/166:15 am
ONT
- RDU
1 stop10h 43m
Frontier
Sun 4/199:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Deal found 3/27![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/31. 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.
Thu 4/168:26 am
ONT
- RDU
1 stop9h 39m
Frontier
Mon 4/2010:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 3/31![Frontier logo]()
$200
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Mon 4/2010:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 3/29![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Sun 4/1912:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Thu 4/239:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Deal found 3/27![Frontier logo]()
$196
This Priceline deal was found by Cheapflights users on 3/28. 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.
Thu 4/236:15 am
ONT
- RDU
1 stop10h 43m
Frontier
Mon 4/2710:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 3/28![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:15 am
ONT
- RDU
1 stop10h 43m
Frontier
Sat 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/27![Frontier logo]()
$172
This Booking.com deal was found by Cheapflights users on 3/31. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:33 pm
ONT
- RDU
1 stop22h 11m
Frontier
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 3/31![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Mon 4/275:33 pm
ONT
- RDU
1 stop22h 11m
Frontier
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/31![Frontier logo]()
$171
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:59 am
ONT
- RDU
1 stop14h 45m
Frontier
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/30![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 3/27. 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.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Sat 5/29:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/27![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 3/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Sun 5/310:34 am
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/29![Frontier logo]()
$192
One-way flights from Ontario to DurhamSearch for one-way flight options from Ontario to Durham. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
Search for one-way flight options from Ontario to Durham. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Frontier deal was found by Cheapflights users on 3/31. 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.
Fri 5/18:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Deal found 3/31![Frontier logo]()
$80
This CheapOair deal was found by Cheapflights users on 3/31. 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.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Deal found 3/31![Frontier logo]()
$86
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:06 pm
ONT
- RDU
1 stop14h 31m
Frontier
Deal found 3/30![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Tue 4/2112:59 am
ONT
- RDU
1 stop13h 58m
Frontier
Deal found 3/27![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 3/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:59 am
ONT
- RDU
1 stop14h 45m
Frontier
Deal found 3/29![Frontier logo]()
$94
This Super.com deal was found by Cheapflights users on 3/31. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Deal found 3/31![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 3/31. 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.
Thu 4/168:26 am
ONT
- RDU
1 stop9h 39m
Frontier
Deal found 3/31![Frontier logo]()
$100
This Orbitz deal was found by Cheapflights users on 3/31. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:26 am
ONT
- RDU
1 stop9h 11m
Frontier
Deal found 3/31![Frontier logo]()
$105
This Priceline deal was found by Cheapflights users on 3/27. 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.
Sat 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Deal found 3/27![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 3/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:33 pm
ONT
- RDU
1 stop22h 11m
Frontier
Deal found 3/29![Frontier logo]()
$107
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 April 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $80 (Frontier) |
Popular in | January |
Cheapest in | February |
Average price | $367 |
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 1, 2026.
Use the filters below to find and compare flights from Ontario to Durham that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Wed 4/15
12:49 pm-12:18 am
1 stop8h 29m
Raleigh-Durham
Sun 4/19
5:38 am-12:14 pm
2 stops9h 36m
$360
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Thu 5/28
6:45 am-11:26 pm
2 stops13h 41m
Raleigh-Durham
Sat 5/30
2:50 pm-9:48 pm
1 stop9h 58m
$403
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Wed 4/29
6:05 am-3:48 pm
1 stop6h 43m
Raleigh-Durham
Sat 5/2
8:00 am-5:52 pm
2 stops12h 52m
$459
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Tue 5/5
6:59 pm-7:08 am
1 stop9h 09m
Raleigh-Durham
Wed 5/6
4:53 pm-9:58 pm
1 stop8h 05m
$465
Quickest round-trip
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Sat 5/2
1:29 pm-11:49 pm
1 stop7h 20m
Raleigh-Durham
Sun 5/3
7:15 am-12:14 pm
1 stop7h 59m
$467
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Tue 6/16
5:15 am-5:40 pm
2 stops9h 25m
Raleigh-Durham
Sat 6/20
4:55 pm-10:50 pm
2 stops8h 55m
$496
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Mon 5/25
12:40 pm-12:20 am
2 stops8h 40m
Raleigh-Durham
Fri 5/29
4:25 pm-11:05 pm
2 stops9h 40m
$497
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Sun 5/3
6:59 pm-9:45 am
2 stops11h 46m
Raleigh-Durham
Sat 5/9
10:05 am-8:36 pm
2 stops13h 31m
$518
Cheapest one-way
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Thu 6/4
1:29 pm-11:44 pm
1 stop7h 15m
$178
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Sat 4/25
1:29 pm-11:49 pm
1 stop7h 20m
$178
Showing 1-10 of 19 resultsSorted by cheapest first
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.
ONT-RDU
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
ONT-DU8
ONT-RDU
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 March 13, 2026.
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, January is the cheapest month in which you can book a flight from Ontario to Durham (average of $131). Flying from Ontario to Durham in November is currently the most expensive (average of $233). 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.
How much does it cost to fly round-trip from Ontario to Durham?
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 1, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
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.
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Complete your trip
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Search flights from Ontario to Durham by cabin class
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Ontario and Durham flights
Browse other Ontario and Durham flight options. Last updated on April 1, 2026.
Other flights from Ontario
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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 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$525 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$264 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$452 | FlexibilityNo cancel fee | On-timeN/A |