$70+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Mar 20 — Mar 271
1 adult, Economy
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Cheapest flights from Raleigh to OntarioExplore 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 February 18, 2026.
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 February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Mon 4/2712:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Deal found 2/15![Frontier logo]()
$145
This Trip.com deal was found by Cheapflights users on 2/17. 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.
Fri 4/106:43 pm
RDU
- ONT
1 stop8h 13m
Frontier
Mon 4/1312:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Deal found 2/17![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 2/18. 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 5/110:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Mon 5/46:15 am
ONT
- RDU
1 stop9h 37m
Frontier
Deal found 2/18![Frontier logo]()
$200
This Booking.com deal was found by Cheapflights users on 2/17. 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 4/169:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Sat 4/1812:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 2/17![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
RDU
- ONT
2 stops20h 55m
Frontier
Mon 4/2712:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Deal found 2/15![Frontier logo]()
$207
This Priceline deal was found by Cheapflights users on 2/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3010:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Mon 5/48:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Deal found 2/16![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 2/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1210:27 am
RDU
- ONT
1 stop11h 18m
Frontier
Thu 4/2312:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 2/14![Frontier logo]()
$211
This Expedia deal was found by Cheapflights users on 2/17. 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 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Mon 3/234:22 pm
ONT
- RDU
1 stop17h 51m
Frontier
Deal found 2/17![Frontier logo]()
$219
This Booking.com deal was found by Cheapflights users on 2/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Wed 3/256:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/16![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 2/17. 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.
Mon 4/136:43 pm
RDU
- ONT
1 stop8h 13m
Frontier
Fri 4/178:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Deal found 2/17![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 2/15. 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.
Thu 4/1610:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Fri 4/178:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Deal found 2/15![Frontier logo]()
$222
Best flights from Raleigh to OntarioDiscover carefully curated flight deals from Raleigh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from Raleigh to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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.
Fri 5/89:59 pm
RDU
- ONT
1 stop28h 56m
Frontier
Sun 5/178:26 am
ONT
- RDU
2 stops36h 49m
Frontier
Deal found 2/17![Frontier logo]()
$241
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Mon 5/47:30 am
RDU
- ONT
1 stop29h 15m
Alaska Airlines
Sat 5/93:26 pm
ONT
- RDU
1 stop22h 22m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 2/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
RDU
- ONT
1 stop10h 39m
Delta
Thu 4/235:55 pm
ONT
- RDU
2 stops13h 44m
Delta
Deal found 2/15![Delta logo]()
$308
This Southwest deal was found by Cheapflights users on 2/17. 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 3/135:40 am
RDU
- ONT
1 stop11h 25m
Southwest
Wed 3/1811:55 pm
ONT
- RDU
1 stop7h 45m
Southwest
Deal found 2/17![Southwest logo]()
$362
This Frontier deal was found by Cheapflights users on 2/15. 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.
Tue 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Thu 3/196:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/15![Frontier logo]()
$265
This Frontier deal was found by Cheapflights users on 2/15. 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.
Sat 4/116:47 pm
RDU
- ONT
1 stop8h 09m
Frontier
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Deal found 2/15![Frontier logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 5/77:30 am
RDU
- ONT
1 stop10h 02m
Alaska Airlines
Sat 5/93:26 pm
ONT
- RDU
1 stop22h 22m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 2/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:59 am
RDU
- ONT
1 stop13h 13m
Delta
Tue 3/1710:25 pm
ONT
- RDU
2 stops14h 13m
Delta
Deal found 2/16![Delta logo]()
$355
This Frontier deal was found by Cheapflights users on 2/15. 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.
Thu 3/266:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Fri 4/36:20 am
ONT
- RDU
1 stop8h 32m
Frontier
Deal found 2/15![Frontier logo]()
$330
This Frontier deal was found by Cheapflights users on 2/18. 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.
Mon 3/25:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Sat 3/76:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/18![Frontier logo]()
$360
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated February 18, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 2/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Thu 2/266:05 am
ONT
- RDU
1 stop6h 55m
Frontier
Deal found 2/16![Frontier logo]()
$242
This Gotogate deal was found by Cheapflights users on 2/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:38 pm
RDU
- ONT
1 stop7h 21m
Frontier
Wed 3/48:40 am
ONT
- RDU
1 stop28h 20m
Frontier
Deal found 2/17![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Thu 3/126:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/15![Frontier logo]()
$237
This Priceline deal was found by Cheapflights users on 2/18. 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.
Tue 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Wed 3/116:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/18![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 2/17. 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 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Mon 3/234:22 pm
ONT
- RDU
1 stop17h 51m
Frontier
Deal found 2/17![Frontier logo]()
$219
This Frontier deal was found by Cheapflights users on 2/15. 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.
Tue 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Wed 3/186:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/15![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 2/15. 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.
Mon 3/166:22 pm
RDU
- ONT
1 stop8h 37m
Frontier
Tue 3/246:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/15![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/186:50 am
RDU
- ONT
2 stops20h 09m
Frontier
Wed 3/256:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/18![Frontier logo]()
$227
This Booking.com deal was found by Cheapflights users on 2/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/196:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Wed 3/256:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/16![Frontier logo]()
$220
This Booking.com deal was found by Cheapflights users on 2/18. 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 3/236:22 pm
RDU
- ONT
1 stop8h 37m
Frontier
Mon 3/304:22 pm
ONT
- RDU
1 stop18h 51m
Frontier
Deal found 2/18![Frontier logo]()
$239
One-way flights from Raleigh to OntarioSearch for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Tue 4/145:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 2/18![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Tue 5/195:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 2/18![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 2/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 2/15![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 2/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/155:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 2/15![Frontier logo]()
$92
This Trip.com deal was found by Cheapflights users on 2/17. 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.
Sat 5/29:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Deal found 2/17![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 2/18. 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.
Tue 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Deal found 2/18![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 2/17. 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 3/246:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Deal found 2/17![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 2/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 2/15![Frontier logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/94:07 pm
RDU
- ONT
2 stops34h 52m
Frontier
Deal found 2/18![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 2/18. 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 4/1210:27 am
RDU
- ONT
1 stop11h 18m
Frontier
Deal found 2/18![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 2/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Deal found 2/16![Frontier logo]()
$107
Find 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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $145 (Kiwi.com) |
One-way from | $70 (Trip.com) |
Popular in | February |
Cheapest in | January |
Average price | $507 |
Cheapflights Fare Finder
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 February 18, 2026.
Use the filters below to find and compare flights from Raleigh to Ontario that are best for you.
Fly from
Raleigh
Fly to
Ontario
Route
Depart
Return
Price
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 5/8
9:59 pm-11:55 pm
1 stop28h 56m
Ontario
Sun 5/17
8:26 am-12:15 am
2 stops36h 49m
$241
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 3/10
6:43 pm-11:59 pm
1 stop8h 16m
Ontario
Thu 3/19
6:15 am-5:48 pm
1 stop8h 33m
$265
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sat 4/11
6:47 pm-11:56 pm
1 stop8h 09m
Ontario
Sun 4/12
7:40 pm-11:12 am
1 stop12h 32m
$266
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Mon 5/4
7:30 am-9:45 am
1 stop29h 15m
Ontario
Sat 5/9
3:26 pm-4:48 pm
1 stop22h 22m
$295
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 4/14
6:00 am-1:39 pm
1 stop10h 39m
Ontario
Thu 4/23
5:55 pm-10:39 am
2 stops13h 44m
$308
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 5/7
7:30 am-2:32 pm
1 stop10h 02m
Ontario
Sat 5/9
3:26 pm-4:48 pm
1 stop22h 22m
$325
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 3/26
6:43 pm-11:59 pm
1 stop8h 16m
Ontario
Fri 4/3
6:20 am-5:52 pm
1 stop8h 32m
$330
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Mon 3/9
6:59 am-5:12 pm
1 stop13h 13m
Ontario
Tue 3/17
10:25 pm-3:38 pm
2 stops14h 13m
$355
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Mon 3/2
5:11 pm-11:59 pm
1 stop9h 48m
Ontario
Sat 3/7
6:15 am-5:48 pm
1 stop8h 33m
$360
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 3/13
5:40 am-2:05 pm
1 stop11h 25m
Ontario
Wed 3/18
11:55 pm-10:40 am
1 stop7h 45m
$362
Showing 1-10 of 21 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
RDU-ONT
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 Raleigh to Ontario
Prices
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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 February 18, 2026.
Booking 29 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, September is the cheapest month in which you can book a flight from Raleigh to Ontario (average of $132). Flying from Raleigh to Ontario in December is currently the most expensive (average of $251). 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’s the top layover airport for flights from Raleigh to Ontario?
Share of 1-stop round-trip flights from Raleigh to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
Phoenix (PHX) – chosen by Cheapflights users on 50% of 1-stop itineraries from Raleigh to Ontario on Cheapflights.
What’s the cheapest layover airport for flights from Raleigh to Ontario?
Average round-trip fare for 1-stop flights from Raleigh to Ontario, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $327.
What’s the fastest layover option from Raleigh to Ontario?
Shortest average travel time for 1-stop one-way flights from Raleigh to Ontario, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Phoenix (PHX) have the shortest average one-way travel time for 1-stop routes: 7h 45m.
Which airport typically offers the quickest layover for flights from Raleigh to Ontario?
Average layover duration for 1-stop one-way flights from Raleigh to Ontario, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Charlotte (CLT) offer the fastest connection on this route, with an average layover time of 1h 15m.
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 February 18, 2026.
See what other customers who have flown with Southwest, Delta, and United Airlines from Raleigh to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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.
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Raleigh to Ontario by cabin class
Find flights from Raleigh to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
Raleigh and Ontario flights
Browse other Raleigh and Ontario flight options. Last updated on February 18, 2026.
Other flights from Raleigh
Browse through other flights departing from Raleigh. Flights are based on user searches made on Cheapflights and were last updated on February 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Raleigh to Ontario
Discover the top 5 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 February 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$277 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$432 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$315 | Average$464 | FlexibilityNo cancel fee | On-time63% |