$81+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Mar 5 — Mar 121
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 3, 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 3, 2026.
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Sat 2/215:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Wed 2/258:40 am
ONT
- RDU
1 stop28h 20m
Frontier
Deal found 2/2![Frontier logo]()
$174
This Frontier deal was found by Cheapflights users on 2/1. 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
Tue 3/106:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 2/1. 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 2/1![Frontier logo]()
$193
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Mon 3/25:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Mon 3/94:22 pm
ONT
- RDU
1 stop17h 41m
Frontier
Deal found 2/2![Frontier logo]()
$199
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Tue 3/176:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Tue 3/246:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$200
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Thu 3/54:55 pm
RDU
- ONT
1 stop10h 04m
Frontier
Wed 3/116:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/2![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 2/1. 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 3/76:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Tue 3/106:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$209
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Mon 2/235:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Thu 2/262:08 pm
ONT
- RDU
1 stop20h 43m
Frontier
Deal found 2/2![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/286:10 am
RDU
- ONT
2 stops28h 49m
Frontier
Sat 3/76:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 1/31![Frontier logo]()
$214
This CheapOair deal was found by Cheapflights users on 2/2. 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.
Thu 2/1910:47 am
RDU
- ONT
1 stop28h 36m
Frontier
Mon 2/236:10 am
ONT
- RDU
1 stop7h 06m
Frontier
Deal found 2/2![Frontier logo]()
$221
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 3, 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 3, 2026.
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Sat 2/215:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Wed 2/258:40 am
ONT
- RDU
1 stop28h 20m
Frontier
Deal found 2/2![Frontier logo]()
$174
This Delta deal was found by Cheapflights users on 2/1. 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 3/34:20 pm
RDU
- ONT
1 stop7h 45m
Delta
Wed 3/111:20 pm
ONT
- RDU
1 stop7h 22m
Delta
Deal found 2/1![Delta logo]()
$297
This Priceline deal was found by Cheapflights users on 2/2. 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 3/196:43 pm
RDU
- ONT
1 stop8h 16m
Multiple Airlines
Mon 6/111:25 pm
ONT
- RDU
1 stop8h 43m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$315
This Frontier deal was found by Cheapflights users on 2/1. 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
Sun 4/196:15 am
ONT
- RDU
1 stop11h 33m
Frontier
Deal found 2/1![Frontier logo]()
$255
This Delta deal was found by Cheapflights users on 2/1. 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.
Fri 3/66:20 am
RDU
- ONT
1 stop8h 42m
Delta
Tue 3/1012:57 pm
ONT
- RDU
1 stop8h 21m
Delta
Deal found 2/1![Delta logo]()
$297
This Frontier deal was found by Cheapflights users on 2/2. 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 2/132:24 pm
RDU
- ONT
1 stop12h 35m
Frontier
Sat 2/146:00 am
ONT
- RDU
1 stop7h 16m
Frontier
Deal found 2/2![Frontier logo]()
$291
This Delta deal was found by Cheapflights users on 2/1. 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 3/37:00 am
RDU
- ONT
1 stop8h 07m
Delta
Thu 3/51:15 pm
ONT
- RDU
1 stop7h 54m
Delta
Deal found 2/1![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/1. 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 3/74:33 pm
RDU
- ONT
1 stop7h 32m
Delta
Mon 3/910:25 pm
ONT
- RDU
1 stop7h 41m
Delta
Deal found 2/1![Delta logo]()
$297
This Frontier deal was found by Cheapflights users on 2/2. 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 4/36:43 pm
RDU
- ONT
1 stop8h 13m
Frontier
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Deal found 2/2![Frontier logo]()
$325
This Delta deal was found by Cheapflights users on 2/1. 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 3/33:18 pm
RDU
- ONT
1 stop8h 47m
Delta
Sat 3/710:20 pm
ONT
- RDU
1 stop6h 46m
Delta
Deal found 2/1![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 2/1. 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 3/43:18 pm
RDU
- ONT
1 stop8h 47m
Delta
Thu 3/51:15 pm
ONT
- RDU
1 stop7h 54m
Delta
Deal found 2/1![Delta logo]()
$297
This Frontier deal was found by Cheapflights users on 2/2. 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 3/196:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Tue 3/246:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/2![Frontier logo]()
$330
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated February 3, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated February 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/2. 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.
Thu 2/1910:47 am
RDU
- ONT
1 stop28h 36m
Frontier
Mon 2/236:10 am
ONT
- RDU
1 stop7h 06m
Frontier
Deal found 2/2![Frontier logo]()
$221
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Sat 2/215:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Wed 2/258:40 am
ONT
- RDU
1 stop28h 20m
Frontier
Deal found 2/2![Frontier logo]()
$174
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Mon 2/235:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Thu 2/262:08 pm
ONT
- RDU
1 stop20h 43m
Frontier
Deal found 2/2![Frontier logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 2/286:10 am
RDU
- ONT
2 stops28h 49m
Frontier
Sat 3/76:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/3![Frontier logo]()
$214
This Frontier deal was found by Cheapflights users on 2/1. 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
Tue 3/106:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$184
This Frontier deal was found by Cheapflights users on 2/1. 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 2/1![Frontier logo]()
$193
This Mytrip deal was found by Cheapflights users on 2/2. 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.
Mon 3/25:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Mon 3/94:22 pm
ONT
- RDU
1 stop17h 41m
Frontier
Deal found 2/2![Frontier logo]()
$199
This Gotogate deal was found by Cheapflights users on 2/2. 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.
Thu 3/54:55 pm
RDU
- ONT
1 stop10h 04m
Frontier
Wed 3/116:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/2![Frontier logo]()
$208
This Frontier deal was found by Cheapflights users on 2/1. 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 3/76:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Wed 3/116:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$209
This Gotogate deal was found by Cheapflights users on 2/1. 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.
Tue 3/176:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Tue 3/246:15 am
ONT
- RDU
1 stop8h 33m
Frontier
Deal found 2/1![Frontier logo]()
$200
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 3, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated February 3, 2026.
This Trip.com deal was found by Cheapflights users on 2/1. 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 2/215:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Deal found 2/1![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 2/1. 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.
Mon 3/25:11 pm
RDU
- ONT
1 stop9h 48m
Frontier
Deal found 2/1![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 1/31. 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.
Tue 3/176:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Deal found 1/31![Frontier logo]()
$99
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Tue 3/106:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Deal found 2/3![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 2/2. 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 4/2010:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 2/2![Frontier logo]()
$103
This Super.com deal was found by Cheapflights users on 2/2. 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.
Thu 2/1910:47 am
RDU
- ONT
1 stop28h 36m
Frontier
Deal found 2/2![Frontier logo]()
$104
This Expedia deal was found by Cheapflights users on 2/1. 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.
Wed 4/155:55 pm
RDU
- ONT
1 stop16h 36m
Frontier
Deal found 2/1![Frontier logo]()
$106
This Mytrip deal was found by Cheapflights users on 2/3. 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.
Sat 3/76:43 pm
RDU
- ONT
1 stop8h 16m
Frontier
Deal found 2/3![Frontier logo]()
$109
This Super.com deal was found by Cheapflights users on 1/31. 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.
Wed 5/65:55 pm
RDU
- ONT
1 stop9h 00m
Frontier
Deal found 1/31![Frontier logo]()
$110
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 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Gotogate) |
One-way from | $81 (Trip.com) |
Popular in | February |
Cheapest in | January |
Average price | $497 |
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 3, 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
Sat 2/21
5:11 pm-11:59 pm
1 stop9h 48m
Ontario
Wed 2/25
8:40 am-4:00 pm
1 stop28h 20m
$174
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 4/16
10:51 am-4:38 pm
1 stop8h 47m
Ontario
Sun 4/19
6:15 am-8:48 pm
1 stop11h 33m
$255
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 2/13
2:24 pm-11:59 pm
1 stop12h 35m
Ontario
Sat 2/14
6:00 am-4:16 pm
1 stop7h 16m
$291
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 3/3
4:20 pm-9:05 pm
1 stop7h 45m
Ontario
Wed 3/11
1:20 pm-11:42 pm
1 stop7h 22m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 3/6
6:20 am-12:02 pm
1 stop8h 42m
Ontario
Tue 3/10
12:57 pm-12:18 am
1 stop8h 21m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 3/3
7:00 am-12:07 pm
1 stop8h 07m
Ontario
Thu 3/5
1:15 pm-12:09 am
1 stop7h 54m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sat 3/7
4:33 pm-9:05 pm
1 stop7h 32m
Ontario
Mon 3/9
10:25 pm-9:06 am
1 stop7h 41m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 3/3
3:18 pm-9:05 pm
1 stop8h 47m
Ontario
Sat 3/7
10:20 pm-8:06 am
1 stop6h 46m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 3/4
3:18 pm-9:05 pm
1 stop8h 47m
Ontario
Thu 3/5
1:15 pm-12:09 am
1 stop7h 54m
$297
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 3/19
6:43 pm-11:59 pm
1 stop8h 16m
Ontario
Mon 6/1
11:25 pm-11:08 am
1 stop8h 43m
$315
Showing 1-10 of 22 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 January 30, 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 $250). 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 3, 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.
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
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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Alternative routes for Raleigh to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
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 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$433 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$446 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$315 | Average$476 | FlexibilityNo cancel fee | On-time63% |