$111+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Sep 6 — Sep 131
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 August 7, 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 August 7, 2026.
This Super.com deal was found by Cheapflights users on 8/4. 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.
Sat 8/297:54 pm -
1 stop6h 56m
Wed 9/96:15 am -
1 stop8h 07m
Deal found 8/4![Frontier logo]()
$227
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop8h 30m
Wed 9/307:11 pm -
1 stop12h 59m
Deal found 8/3![Frontier logo]()
$228
This Frontier deal was found by Cheapflights users on 8/2. 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.
Wed 9/166:17 pm -
1 stop8h 30m
Wed 9/237:11 pm -
1 stop12h 59m
Deal found 8/2![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 8/2. 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.
Wed 10/1412:18 pm -
1 stop14h 37m
Tue 10/2011:38 am -
1 stop20h 45m
Deal found 8/2![Frontier logo]()
$230
This CheapOair deal was found by Cheapflights users on 8/4. 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.
Wed 10/76:17 pm -
1 stop19h 26m
Tue 10/276:15 am -
1 stop26h 38m
Deal found 8/4![Frontier logo]()
$238
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/172:09 pm -
1 stop27h 38m
Tue 10/206:00 am -
1 stop26h 23m
Deal found 8/3![Frontier logo]()
$243
This Frontier deal was found by Cheapflights users on 8/2. 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 9/186:17 pm -
1 stop8h 30m
Mon 9/217:46 pm -
1 stop12h 49m
Deal found 8/2![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:54 pm -
1 stop6h 56m
Fri 8/286:00 am -
1 stop10h 09m
Deal found 8/3![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 8/5. 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 9/256:17 pm -
1 stop19h 13m
Mon 9/287:46 pm -
1 stop12h 49m
Deal found 8/5![Frontier logo]()
$263
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:54 pm -
1 stop6h 56m
Tue 9/87:56 pm -
1 stop18h 26m
Deal found 8/3![Frontier logo]()
$269
This Frontier deal was found by Cheapflights users on 8/2. 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.
Sun 9/131:26 pm -
1 stop13h 21m
Thu 9/177:46 pm -
1 stop12h 24m
Deal found 8/2![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/4. 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 9/186:17 pm -
1 stop8h 30m
Fri 9/256:15 am -
1 stop8h 07m
Deal found 8/4![Frontier logo]()
$279
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 August 7, 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 August 7, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:20 am -
1 stop7h 45m
Tue 9/291:04 pm -
1 stop7h 55m
Deal found 8/3![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:45 am -
2 stops8h 45m
Thu 9/107:00 am -
2 stops8h 05m
Deal found 8/3![Southwest logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 10/2911:39 am -
2 stops15h 03m
Mon 11/26:00 am -
1 stop31h 19m
Deal found 8/6![Alaska Airlines logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:15 am -
2 stops14h 32m
Mon 11/27:00 am -
2 stops13h 50m
Deal found 8/2![United Airlines logo]()
$468
This Southwest deal was found by Cheapflights users on 8/5. 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.
Sat 9/1912:30 pm -
2 stops10h 35m
Sat 9/265:50 am -
2 stops9h 20m
Deal found 8/5![Southwest logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/274:54 pm -
1 stop7h 46m
Mon 11/27:00 am -
1 stop7h 36m
Deal found 8/2![United Airlines logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:57 pm -
2 stops20h 20m
Mon 10/57:25 am -
2 stops13h 20m
Deal found 8/2![Alaska Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 8/5. 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.
Sun 8/304:40 pm -
2 stops8h 40m
Tue 9/16:40 am -
2 stops8h 30m
Deal found 8/5![Southwest logo]()
$457
This Delta deal was found by Cheapflights users on 8/1. 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 10/94:49 pm -
1 stop8h 05m
Tue 10/131:24 pm -
1 stop7h 30m
Deal found 8/1![Delta logo]()
$509
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1110:36 am -
2 stops12h 25m
Sun 9/137:13 pm -
1 stop10h 06m
Deal found 8/1![United Airlines logo]()
$520
This Southwest deal was found by Cheapflights users on 8/4. 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 9/184:05 pm -
2 stops8h 45m
Fri 9/257:00 am -
2 stops8h 05m
Deal found 8/4![Southwest logo]()
$500
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated August 7, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated August 7, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:54 pm -
1 stop6h 56m
Fri 8/286:00 am -
1 stop10h 09m
Deal found 8/3![Frontier logo]()
$254
This Super.com deal was found by Cheapflights users on 8/4. 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.
Sat 8/297:54 pm -
1 stop6h 56m
Wed 9/96:15 am -
1 stop8h 07m
Deal found 8/4![Frontier logo]()
$227
This Trip.com deal was found by Cheapflights users on 8/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:54 pm -
1 stop6h 56m
Tue 9/87:56 pm -
1 stop18h 26m
Deal found 8/3![Frontier logo]()
$269
This CheapOair deal was found by Cheapflights users on 8/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/912:21 pm -
1 stop8h 55m
Sat 9/126:15 am -
1 stop8h 07m
Deal found 8/3![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Wed 9/912:21 pm -
1 stop8h 55m
Thu 9/1012:07 pm -
2 stops20h 03m
Deal found 8/3![Frontier logo]()
$280
This Frontier deal was found by Cheapflights users on 8/2. 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.
Sun 9/131:26 pm -
1 stop13h 21m
Thu 9/177:46 pm -
1 stop12h 24m
Deal found 8/2![Frontier logo]()
$278
This Frontier deal was found by Cheapflights users on 8/2. 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.
Wed 9/166:17 pm -
1 stop8h 30m
Wed 9/237:11 pm -
1 stop12h 59m
Deal found 8/2![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 8/2. 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 9/186:17 pm -
1 stop8h 30m
Mon 9/217:46 pm -
1 stop12h 49m
Deal found 8/2![Frontier logo]()
$253
This Frontier deal was found by Cheapflights users on 8/4. 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 9/186:17 pm -
1 stop8h 30m
Fri 9/256:15 am -
1 stop8h 07m
Deal found 8/4![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 8/5. 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 9/256:17 pm -
1 stop19h 13m
Mon 9/287:46 pm -
1 stop12h 49m
Deal found 8/5![Frontier logo]()
$263
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:17 pm -
1 stop8h 30m
Wed 9/307:11 pm -
1 stop12h 59m
Deal found 8/3![Frontier logo]()
$228
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 August 7, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated August 7, 2026.
This Super.com deal was found by Cheapflights users on 8/5. 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 8/317:54 pm -
1 stop6h 56m
Deal found 8/5![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 8/4. 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.
Sat 8/297:54 pm -
1 stop6h 56m
Deal found 8/4![Frontier logo]()
$112
This Super.com deal was found by Cheapflights users on 8/1. 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.
Thu 8/277:54 pm -
1 stop6h 56m
Deal found 8/1![Frontier logo]()
$113
This Frontier deal was found by Cheapflights users on 8/1. 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.
Tue 9/2212:21 pm -
1 stop7h 25m
Deal found 8/1![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:17 pm -
1 stop8h 30m
Deal found 8/3![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 8/5. 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 9/110:50 am -
1 stop11h 11m
Deal found 8/5![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 8/5. 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.
Wed 9/210:50 am -
1 stop11h 11m
Deal found 8/5![Frontier logo]()
$120
This Trip.com deal was found by Cheapflights users on 8/1. 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.
Wed 9/2312:21 pm -
1 stop8h 55m
Deal found 8/1![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 8/2. 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.
Fri 8/287:54 pm -
1 stop6h 56m
Deal found 8/2![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 8/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:17 pm -
1 stop8h 30m
Deal found 8/3![Frontier logo]()
$140
This Super.com deal was found by Cheapflights users on 8/1. 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.
Fri 9/256:17 pm -
1 stop19h 13m
Deal found 8/1![Frontier logo]()
$143
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 August 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $227 (Super.com) |
One-way from | $111 (Super.com) |
Popular in | July |
Cheapest in | January |
Average price | $404 |
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 August 7, 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 Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Sat 9/26
6:20 am-11:05 am
1 stop7h 45m
Ontario
Tue 9/29
1:04 pm-11:59 pm
1 stop7h 55m
$347
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Wed 9/9
6:45 am-12:30 pm
2 stops8h 45m
Ontario
Thu 9/10
7:00 am-6:05 pm
2 stops8h 05m
$385
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Sat 9/19
12:30 pm-8:05 pm
2 stops10h 35m
Ontario
Sat 9/26
5:50 am-6:10 pm
2 stops9h 20m
$407
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Thu 10/29
11:39 am-11:42 pm
2 stops15h 03m
Ontario
Mon 11/2
6:00 am-4:19 pm
1 stop31h 19m
$452
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Sun 8/30
4:40 pm-10:20 pm
2 stops8h 40m
Ontario
Tue 9/1
6:40 am-6:10 pm
2 stops8h 30m
$457
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Wed 10/28
7:15 am-6:47 pm
2 stops14h 32m
Ontario
Mon 11/2
7:00 am-11:50 pm
2 stops13h 50m
$468
Quickest round-trip
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Tue 10/27
4:54 pm-9:40 pm
1 stop7h 46m
Ontario
Mon 11/2
7:00 am-5:36 pm
1 stop7h 36m
$492
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Fri 10/2
4:57 pm-10:17 am
2 stops20h 20m
Ontario
Mon 10/5
7:25 am-11:45 pm
2 stops13h 20m
$492
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Fri 9/18
4:05 pm-9:50 pm
2 stops8h 45m
Ontario
Fri 9/25
7:00 am-6:05 pm
2 stops8h 05m
$500
RaleighOntario
RDU Raleigh-Durham - ONT Ontario
RDUONT
Raleigh-Durham
Fri 10/9
4:49 pm-9:54 pm
1 stop8h 05m
Ontario
Tue 10/13
1:24 pm-11:54 pm
1 stop7h 30m
$509
Showing 1-10 of 23 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 August.
| 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 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
More
How far ahead should I book a flight from Raleigh to Ontario?
Booking 43 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 $268). Flying from Raleigh to Ontario in July is currently the most expensive (average of $550). 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?
Airfare is below average for this route at the moment.
Raleigh to Ontario flights typically cost between $325 and $525 in August.The cheapest round-trip price found within the last 5 days was $227 on Frontier (Aug 29-Sep 9).
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 67% 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.
Las Vegas (LAS) is the most affordable 1-stop option, with an average round-trip price of $480.
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 Las Vegas (LAS) 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 August 7, 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.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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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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 August 7, 2026.
Raleigh and Ontario flights
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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 August 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$165 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$329 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$296 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$322 | Average$476 | FlexibilityNo cancel fee | On-time63% |