$80+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
May 17 — May 241
Round-trip
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 April 17, 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 April 17, 2026.
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 5/268:06 pm
ONT
- RDU
1 stop14h 26m
Frontier
Deal found 4/16![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 4/12. 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 5/812:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Sun 5/108:06 pm
ONT
- RDU
1 stop14h 31m
Frontier
Deal found 4/12![Frontier logo]()
$162
This Booking.com deal was found by Cheapflights users on 4/13. 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 5/410:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Tue 5/510:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/13![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 4/13. 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 5/51:23 pm
RDU
- ONT
1 stop23h 42m
Frontier
Tue 5/126:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/13![Frontier logo]()
$171
This Expedia deal was found by Cheapflights users on 4/12. 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.
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Mon 5/45:33 pm
ONT
- RDU
1 stop15h 55m
Frontier
Deal found 4/12![Frontier logo]()
$180
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Tue 5/510:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/14![Frontier logo]()
$182
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:23 pm
RDU
- ONT
1 stop13h 26m
Frontier
Sat 5/166:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/14![Frontier logo]()
$185
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Fri 5/86:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/14![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 4/13. 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.
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Sun 5/106:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 4/13![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:23 pm
RDU
- ONT
1 stop23h 42m
Frontier
Sat 5/910:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/16![Frontier logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/13. 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.
Thu 5/712:06 pm
RDU
- ONT
1 stop10h 05m
Frontier
Sat 5/168:27 pm
ONT
- RDU
2 stops11h 54m
Frontier
Deal found 4/13![Frontier logo]()
$195
This CheapOair deal was found by Cheapflights users on 4/15. 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.
Fri 5/812:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 5/126:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/15![Frontier logo]()
$196
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/12. 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 5/67:15 am
RDU
- ONT
1 stop7h 59m
Delta
Wed 5/131:29 pm
ONT
- RDU
1 stop7h 15m
Delta
Deal found 4/12![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:33 pm
RDU
- ONT
1 stop8h 25m
United Airlines
Tue 8/187:00 am
ONT
- RDU
1 stop7h 13m
United Airlines
Deal found 4/16![United Airlines logo]()
$407
This Southwest deal was found by Cheapflights users on 4/12. 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.
Thu 9/38:25 am
RDU
- ONT
2 stops9h 50m
Southwest
Sun 9/61:45 pm
ONT
- RDU
1 stop7h 30m
Southwest
Deal found 4/12![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
RDU
- ONT
2 stops9h 19m
Delta
Mon 5/114:57 pm
ONT
- RDU
2 stops12h 54m
Delta
Deal found 4/14![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/65:40 pm
RDU
- ONT
2 stops8h 50m
Southwest
Sun 7/1912:20 pm
ONT
- RDU
1 stop8h 30m
Southwest
Deal found 4/16![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:15 pm
RDU
- ONT
2 stops11h 29m
Delta
Tue 8/185:05 pm
ONT
- RDU
2 stops13h 46m
Delta
Deal found 4/14![Delta logo]()
$427
This Delta deal was found by Cheapflights users on 4/15. 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 5/54:56 pm
RDU
- ONT
1 stop7h 04m
Delta
Wed 5/131:29 pm
ONT
- RDU
1 stop7h 15m
Delta
Deal found 4/15![Delta logo]()
$447
This Delta deal was found by Cheapflights users on 4/16. 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.
Sun 7/195:10 pm
RDU
- ONT
1 stop7h 34m
Delta
Tue 7/2810:00 pm
ONT
- RDU
1 stop9h 10m
Delta
Deal found 4/16![Delta logo]()
$459
This Delta deal was found by Cheapflights users on 4/16. 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 7/205:10 pm
RDU
- ONT
1 stop7h 34m
Delta
Thu 7/2310:00 pm
ONT
- RDU
1 stop7h 53m
Delta
Deal found 4/16![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:20 am
RDU
- ONT
1 stop8h 18m
Delta
Wed 7/226:01 pm
ONT
- RDU
2 stops11h 47m
Delta
Deal found 4/17![Delta logo]()
$493
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated April 17, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Tue 5/510:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/14![Frontier logo]()
$182
This Expedia deal was found by Cheapflights users on 4/12. 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.
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Mon 5/45:33 pm
ONT
- RDU
1 stop15h 55m
Frontier
Deal found 4/12![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 4/13. 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.
Fri 5/19:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Sun 5/106:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 4/13![Frontier logo]()
$191
This Booking.com deal was found by Cheapflights users on 4/13. 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 5/410:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Tue 5/510:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/13![Frontier logo]()
$167
This Booking.com deal was found by Cheapflights users on 4/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Fri 5/86:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/14![Frontier logo]()
$187
This CheapOair deal was found by Cheapflights users on 4/13. 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 5/51:23 pm
RDU
- ONT
1 stop13h 26m
Frontier
Tue 5/1210:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/13![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:23 pm
RDU
- ONT
1 stop23h 42m
Frontier
Sat 5/910:50 am
ONT
- RDU
1 stop22h 38m
Frontier
Deal found 4/16![Frontier logo]()
$192
This Trip.com deal was found by Cheapflights users on 4/13. 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.
Thu 5/712:06 pm
RDU
- ONT
1 stop10h 05m
Frontier
Sat 5/168:27 pm
ONT
- RDU
2 stops11h 54m
Frontier
Deal found 4/13![Frontier logo]()
$195
This Booking.com deal was found by Cheapflights users on 4/12. 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 5/812:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Sun 5/108:06 pm
ONT
- RDU
1 stop14h 31m
Frontier
Deal found 4/12![Frontier logo]()
$162
This CheapOair deal was found by Cheapflights users on 4/15. 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.
Fri 5/812:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 5/126:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/15![Frontier logo]()
$196
This Expedia deal was found by Cheapflights users on 4/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:23 pm
RDU
- ONT
1 stop13h 26m
Frontier
Sat 5/166:00 am
ONT
- RDU
1 stop27h 28m
Frontier
Deal found 4/14![Frontier logo]()
$185
This Expedia deal was found by Cheapflights users on 4/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 5/268:06 pm
ONT
- RDU
1 stop14h 26m
Frontier
Deal found 4/16![Frontier logo]()
$160
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 April 17, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:06 pm
RDU
- ONT
1 stop10h 05m
Frontier
Deal found 4/14![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 4/15. 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 5/51:23 pm
RDU
- ONT
1 stop13h 26m
Frontier
Deal found 4/15![Frontier logo]()
$82
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:23 pm
RDU
- ONT
1 stop13h 26m
Frontier
Deal found 4/16![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 4/14![Frontier logo]()
$99
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/110:51 am
RDU
- ONT
1 stop8h 47m
Frontier
Deal found 4/15![Frontier logo]()
$103
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Deal found 4/14![Frontier logo]()
$106
This Frontier deal was found by Cheapflights users on 4/13. 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 4/287:35 pm
RDU
- ONT
1 stop7h 20m
Frontier
Deal found 4/13![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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Mytrip) |
One-way from | $80 (Frontier) |
Popular in | February |
Cheapest in | January |
Average price | $393 |
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 April 17, 2026.
Use the filters below to find and compare flights from Raleigh to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 5/6
7:15 am-12:14 pm
1 stop7h 59m
Ontario
Wed 5/13
1:29 pm-11:44 pm
1 stop7h 15m
$387
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 8/14
5:33 pm-10:58 pm
1 stop8h 25m
Ontario
Tue 8/18
7:00 am-5:13 pm
1 stop7h 13m
$407
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sat 5/9
6:00 am-12:19 pm
2 stops9h 19m
Ontario
Mon 5/11
4:57 pm-8:51 am
2 stops12h 54m
$414
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 8/14
3:15 pm-11:44 pm
2 stops11h 29m
Ontario
Tue 8/18
5:05 pm-9:51 am
2 stops13h 46m
$427
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 9/3
8:25 am-3:15 pm
2 stops9h 50m
Ontario
Sun 9/6
1:45 pm-12:15 am
1 stop7h 30m
$446
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Mon 7/6
5:40 pm-11:30 pm
2 stops8h 50m
Ontario
Sun 7/19
12:20 pm-11:50 pm
1 stop8h 30m
$446
Quickest round-trip
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 5/5
4:56 pm-9:00 pm
1 stop7h 04m
Ontario
Wed 5/13
1:29 pm-11:44 pm
1 stop7h 15m
$447
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sun 7/19
5:10 pm-9:44 pm
1 stop7h 34m
Ontario
Tue 7/28
10:00 pm-10:10 am
1 stop9h 10m
$459
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Mon 7/20
5:10 pm-9:44 pm
1 stop7h 34m
Ontario
Thu 7/23
10:00 pm-8:53 am
1 stop7h 53m
$477
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sat 7/18
5:20 am-10:38 am
1 stop8h 18m
Ontario
Wed 7/22
6:01 pm-8:48 am
2 stops11h 47m
$493
Showing 1-10 of 20 resultsSorted by cheapest first
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 April.
| 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 April 10, 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, January is the cheapest month in which you can book a flight from Raleigh to Ontario (average of $253). Flying from Raleigh to Ontario in February is currently the most expensive (average of $505). 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 Raleigh to Ontario?
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.
Las Vegas (LAS) – 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 April 17, 2026.
See what other customers who have flown with Southwest,Delta, andUnited 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.
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 April 17, 2026.
Raleigh and Ontario flights
Browse other Raleigh and Ontario flight options. Last updated on April 17, 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 April 17, 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$434 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$356 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$314 | Average$486 | FlexibilityNo cancel fee | On-time63% |