$131+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Jul 6 — Jul 131
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 June 6, 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 June 6, 2026.
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Wed 7/299:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/5![Frontier logo]()
$256
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2912:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Tue 9/16:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 6/2![Frontier logo]()
$271
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:26 pm
RDU
- ONT
1 stop24h 38m
Frontier
Mon 8/109:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/3![Frontier logo]()
$273
This Booking.com deal was found by Cheapflights users on 6/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Wed 9/96:00 am
ONT
- RDU
1 stop26h 53m
Frontier
Deal found 6/5![Frontier logo]()
$278
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Tue 6/305:43 pm
ONT
- RDU
1 stop16h 58m
Frontier
Deal found 6/2![Frontier logo]()
$286
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:26 pm
RDU
- ONT
1 stop24h 38m
Frontier
Fri 7/176:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 6/4![Frontier logo]()
$289
This Gotogate deal was found by Cheapflights users on 6/1. 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.
Wed 6/2412:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 7/79:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/1![Frontier logo]()
$296
This CheapOair deal was found by Cheapflights users on 6/2. 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.
Sun 8/210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Wed 8/59:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/2![Frontier logo]()
$297
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Wed 8/59:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/2![Frontier logo]()
$298
This Booking.com deal was found by Cheapflights users on 6/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Mon 7/279:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/1![Frontier logo]()
$299
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Wed 7/299:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/3![Frontier logo]()
$305
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:00 am
RDU
- ONT
1 stop11h 48m
Frontier
Fri 6/265:43 pm
ONT
- RDU
1 stop16h 58m
Frontier
Deal found 6/2![Frontier logo]()
$310
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 June 6, 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 June 6, 2026.
This Southwest deal was found by Cheapflights users on 6/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
RDU
- ONT
1 stop9h 05m
Southwest
Mon 7/2012:40 pm
ONT
- RDU
2 stops9h 05m
Southwest
Deal found 6/1![Southwest logo]()
$441
This KAYAK deal was found by Cheapflights users on 6/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/74:15 pm
RDU
- ONT
1 stop9h 19m
American Airlines
Fri 7/1010:10 pm
ONT
- RDU
1 stop6h 54m
American Airlines
Deal found 6/5![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 6/3. 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.
Thu 6/251:49 pm
RDU
- ONT
1 stop7h 41m
Delta
Tue 6/3011:50 am
ONT
- RDU
1 stop9h 19m
Delta
Deal found 6/3![Delta logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 8/135:34 pm
RDU
- ONT
1 stop20h 40m
Alaska Airlines
Thu 8/204:27 pm
ONT
- RDU
2 stops22h 43m
Alaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$495
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:53 am
RDU
- ONT
2 stops12h 00m
United Airlines
Wed 8/266:00 am
ONT
- RDU
1 stop7h 27m
United Airlines
Deal found 6/5![United Airlines logo]()
$510
This Delta deal was found by Cheapflights users on 6/3. 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.
Sun 8/306:15 pm
RDU
- ONT
1 stop6h 37m
Delta
Thu 9/312:55 pm
ONT
- RDU
1 stop8h 02m
Delta
Deal found 6/3![Delta logo]()
$477
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:15 am
RDU
- ONT
2 stops9h 20m
Southwest
Mon 7/139:40 pm
ONT
- RDU
1 stop8h 40m
Southwest
Deal found 6/2![Southwest logo]()
$482
This Delta deal was found by Cheapflights users on 6/1. 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 7/315:25 pm
RDU
- ONT
1 stop7h 25m
Delta
Fri 8/1412:00 pm
ONT
- RDU
1 stop9h 42m
Delta
Deal found 6/1![Delta logo]()
$485
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:05 pm
RDU
- ONT
2 stops9h 35m
Southwest
Sun 7/1911:55 pm
ONT
- RDU
2 stops9h 50m
Southwest
Deal found 6/2![Southwest logo]()
$487
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:34 am
RDU
- ONT
1 stop8h 38m
United Airlines
Thu 9/37:13 pm
ONT
- RDU
2 stops12h 13m
United Airlines
Deal found 6/3![United Airlines logo]()
$566
This Southwest deal was found by Cheapflights users on 6/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/172:55 pm
RDU
- ONT
1 stop8h 05m
Southwest
Wed 6/2410:10 am
ONT
- RDU
2 stops9h 05m
Southwest
Deal found 6/2![Southwest logo]()
$551
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated June 6, 2026 and is based on user searches.
This Gotogate deal was found by Cheapflights users on 6/1. 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.
Wed 6/2412:26 pm
RDU
- ONT
1 stop24h 39m
Frontier
Tue 7/79:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/1![Frontier logo]()
$296
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/248:00 am
RDU
- ONT
1 stop11h 48m
Frontier
Fri 6/265:43 pm
ONT
- RDU
1 stop16h 58m
Frontier
Deal found 6/2![Frontier logo]()
$310
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Tue 6/305:43 pm
ONT
- RDU
1 stop16h 58m
Frontier
Deal found 6/2![Frontier logo]()
$286
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/110:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Wed 8/59:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/2![Frontier logo]()
$298
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:00 am
RDU
- ONT
1 stop11h 48m
Frontier
Mon 7/139:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/3![Frontier logo]()
$315
This Expedia deal was found by Cheapflights users on 6/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/28:00 am
RDU
- ONT
1 stop11h 48m
Frontier
Thu 7/910:49 am
ONT
- RDU
1 stop21h 42m
Frontier
Deal found 6/2![Frontier logo]()
$318
This Gotogate deal was found by Cheapflights users on 6/2. 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.
Fri 7/310:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Sat 7/119:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/2![Frontier logo]()
$312
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:26 pm
RDU
- ONT
1 stop24h 38m
Frontier
Mon 8/109:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/3![Frontier logo]()
$273
This Booking.com deal was found by Cheapflights users on 6/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:26 pm
RDU
- ONT
1 stop24h 38m
Frontier
Fri 7/176:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 6/4![Frontier logo]()
$289
This Booking.com deal was found by Cheapflights users on 6/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1510:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Wed 7/299:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/3![Frontier logo]()
$305
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Wed 7/299:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/5![Frontier logo]()
$256
This Booking.com deal was found by Cheapflights users on 6/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Mon 7/279:32 am
ONT
- RDU
1 stop25h 04m
Frontier
Deal found 6/1![Frontier logo]()
$299
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 June 6, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:48 pm
RDU
- ONT
1 stop14h 07m
Frontier
Deal found 6/1![Frontier logo]()
$131
This Super.com deal was found by Cheapflights users on 6/5. 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 7/710:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Deal found 6/5![Frontier logo]()
$132
This Super.com deal was found by Cheapflights users on 6/1. 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.
Wed 7/2210:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Deal found 6/1![Frontier logo]()
$133
This Mytrip deal was found by Cheapflights users on 6/3. 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 7/1412:26 pm
RDU
- ONT
1 stop24h 38m
Frontier
Deal found 6/3![Frontier logo]()
$134
This Super.com deal was found by Cheapflights users on 6/5. 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 8/2410:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Deal found 6/5![Frontier logo]()
$142
This Frontier deal was found by Cheapflights users on 6/4. 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.
Sat 8/2910:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Deal found 6/4![Frontier logo]()
$144
This American Airlines deal was found by Cheapflights users on 6/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:30 am
RDU
- ONT
1 stop8h 01m
American Airlines
Deal found 6/1![American Airlines logo]()
$149
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Wed 9/211:29 am
RDU
- ONT
2 stops12h 24m
United Airlines
Deal found 6/1![United Airlines logo]()
$154
This Super.com deal was found by Cheapflights users on 6/5. 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.
Sun 8/2310:14 am
RDU
- ONT
1 stop10h 38m
Frontier
Deal found 6/5![Frontier logo]()
$159
This Super.com deal was found by Cheapflights users on 6/2. 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.
Mon 7/2010:20 am
RDU
- ONT
1 stop24h 12m
Frontier
Deal found 6/2![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 6/3. 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 7/412:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Deal found 6/3![Frontier logo]()
$162
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 June 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Expedia) |
One-way from | $131 (Kiwi.com) |
Popular in | February |
Cheapest in | January |
Average price | $413 |
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 June 6, 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 7/15
6:00 am-12:05 pm
1 stop9h 05m
Ontario
Mon 7/20
12:40 pm-12:45 am
2 stops9h 05m
$441
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 7/7
4:15 pm-10:34 pm
1 stop9h 19m
Ontario
Fri 7/10
10:10 pm-8:04 am
1 stop6h 54m
$464
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 6/25
1:49 pm-6:30 pm
1 stop7h 41m
Ontario
Tue 6/30
11:50 am-12:09 am
1 stop9h 19m
$466
Quickest round-trip
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sun 8/30
6:15 pm-9:52 pm
1 stop6h 37m
Ontario
Thu 9/3
12:55 pm-11:57 pm
1 stop8h 02m
$477
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 7/8
11:15 am-5:35 pm
2 stops9h 20m
Ontario
Mon 7/13
9:40 pm-9:20 am
1 stop8h 40m
$482
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 7/31
5:25 pm-9:50 pm
1 stop7h 25m
Ontario
Fri 8/14
12:00 pm-12:42 am
1 stop9h 42m
$485
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 7/17
4:05 pm-10:40 pm
2 stops9h 35m
Ontario
Sun 7/19
11:55 pm-12:45 pm
2 stops9h 50m
$487
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 8/13
5:34 pm-11:14 am
1 stop20h 40m
Ontario
Thu 8/20
4:27 pm-6:10 pm
2 stops22h 43m
$495
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 8/25
11:53 am-8:53 pm
2 stops12h 00m
Ontario
Wed 8/26
6:00 am-4:27 pm
1 stop7h 27m
$510
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 6/17
2:55 pm-8:00 pm
1 stop8h 05m
Ontario
Wed 6/24
10:10 am-10:15 pm
2 stops9h 05m
$551
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 June.
| 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 Accuracy2 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
More
How far ahead should I book a flight from Raleigh to Ontario?
Booking 28 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 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 June 6, 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.
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Comfort
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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Alternative routes for Raleigh to Ontario
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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 June 6, 2026.
Raleigh and Ontario flights
Browse other Raleigh and Ontario flight options. Last updated on June 6, 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 June 6, 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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$287 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$431 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$342 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$310 | Average$478 | FlexibilityNo cancel fee | On-time63% |