$79+ Cheap flights from Raleigh to Ontario (RDU - ONT)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ONT
Apr 20 — Apr 271
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Raleigh to Ontario
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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 March 21, 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 March 21, 2026.
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:57 am
RDU
- ONT
1 stop9h 48m
Frontier
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Deal found 3/20![Frontier logo]()
$160
This Booking.com deal was found by Cheapflights users on 3/21. 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 5/812:43 pm
RDU
- ONT
1 stop9h 28m
Frontier
Wed 5/136:00 am
ONT
- RDU
1 stop26h 31m
Frontier
Deal found 3/21![Frontier logo]()
$167
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Wed 4/226:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Mon 4/278:26 am
ONT
- RDU
1 stop9h 11m
Frontier
Deal found 3/20![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Fri 5/112:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 3/20![Frontier logo]()
$186
This Booking.com deal was found by Cheapflights users on 3/20. 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 4/176:55 pm
RDU
- ONT
1 stop8h 03m
Frontier
Sun 4/195:12 pm
ONT
- RDU
1 stop24h 52m
Frontier
Deal found 3/20![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Sat 4/189:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Fri 4/2412:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 3/19![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:35 pm
RDU
- ONT
1 stop31h 20m
Frontier
Mon 4/2712:59 am
ONT
- RDU
1 stop14h 45m
Frontier
Deal found 3/17![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:57 am
RDU
- ONT
1 stop9h 48m
Frontier
Sat 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Deal found 3/21![Frontier logo]()
$205
This Frontier deal was found by Cheapflights users on 3/21. 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 4/217:35 pm
RDU
- ONT
1 stop7h 20m
Frontier
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Deal found 3/21![Frontier logo]()
$210
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 March 21, 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 March 21, 2026.
This Delta deal was found by Cheapflights users on 3/16. 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.
Tue 5/55:18 am
RDU
- ONT
1 stop9h 18m
Delta
Wed 5/131:29 pm
ONT
- RDU
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 3/20. 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 5/86:15 pm
RDU
- ONT
1 stop7h 25m
Southwest
Mon 5/119:55 pm
ONT
- RDU
1 stop9h 30m
Southwest
Deal found 3/20![Southwest logo]()
$398
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 4/1410:07 am
RDU
- ONT
2 stops13h 29m
United Airlines
Sat 4/187:00 am
ONT
- RDU
1 stop7h 18m
United Airlines
Deal found 3/16![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 3/16. 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.
Sat 5/94:15 pm
RDU
- ONT
1 stop8h 33m
Delta
Mon 5/1110:00 pm
ONT
- RDU
1 stop7h 51m
Delta
Deal found 3/16![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 5/75:56 pm
RDU
- ONT
1 stop6h 52m
Delta
Tue 5/121:29 pm
ONT
- RDU
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$346
This Southwest deal was found by Cheapflights users on 3/19. 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 7/151:30 pm
RDU
- ONT
2 stops9h 30m
Southwest
Mon 7/205:50 am
ONT
- RDU
2 stops10h 50m
Southwest
Deal found 3/19![Southwest logo]()
$471
This United Airlines deal was found by Cheapflights users on 3/20. 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 4/2110:07 am
RDU
- ONT
2 stops13h 29m
United Airlines
Wed 4/297:00 am
ONT
- RDU
2 stops13h 44m
United Airlines
Deal found 3/20![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 3/16. 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 5/247:05 am
RDU
- ONT
1 stop8h 14m
Delta
Tue 5/2612:07 pm
ONT
- RDU
1 stop9h 09m
Delta
Deal found 3/16![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 3/19. 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 7/13:30 pm
RDU
- ONT
1 stop9h 39m
Delta
Wed 7/85:05 pm
ONT
- RDU
2 stops13h 46m
Delta
Deal found 3/19![Delta logo]()
$466
Last-minute flights from Raleigh to OntarioDiscover last-minute flight deals from Raleigh to Ontario. Data last updated March 21, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Ontario. Data last updated March 21, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/612:07 pm
RDU
- ONT
1 stop9h 33m
Frontier
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Deal found 3/21![Frontier logo]()
$215
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:57 am
RDU
- ONT
1 stop9h 48m
Frontier
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Deal found 3/20![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1011:57 am
RDU
- ONT
1 stop9h 48m
Frontier
Fri 4/176:15 am
ONT
- RDU
1 stop8h 55m
Frontier
Deal found 3/21![Frontier logo]()
$205
This Booking.com deal was found by Cheapflights users on 3/20. 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 4/176:55 pm
RDU
- ONT
1 stop8h 03m
Frontier
Sun 4/195:12 pm
ONT
- RDU
1 stop24h 52m
Frontier
Deal found 3/20![Frontier logo]()
$192
This CheapOair deal was found by Cheapflights users on 3/19. 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.
Sat 4/189:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Fri 4/2412:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 3/19![Frontier logo]()
$196
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:35 pm
RDU
- ONT
1 stop31h 20m
Frontier
Mon 4/2712:59 am
ONT
- RDU
1 stop14h 45m
Frontier
Deal found 3/17![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 3/20. 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 4/217:35 pm
RDU
- ONT
1 stop7h 20m
Frontier
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Deal found 3/20![Frontier logo]()
$210
This CheapOair deal was found by Cheapflights users on 3/20. 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 4/226:55 pm
RDU
- ONT
1 stop15h 36m
Frontier
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Deal found 3/20![Frontier logo]()
$185
This Frontier deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Fri 5/112:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 3/20![Frontier logo]()
$186
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 March 21, 2026.
Search for one-way flight options from Raleigh to Ontario. Find affordable one-way fares based on user searches. Data last updated March 21, 2026.
This Super.com deal was found by Cheapflights users on 3/21. 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 4/1011:57 am
RDU
- ONT
1 stop9h 48m
Frontier
Deal found 3/21![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 3/21. 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 4/156:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/21![Frontier logo]()
$80
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/20![Frontier logo]()
$86
This Super.com deal was found by Cheapflights users on 3/16. 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 4/226:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/16![Frontier logo]()
$104
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 3/16![Frontier logo]()
$105
This Super.com deal was found by Cheapflights users on 3/19. 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 5/1812:43 pm
RDU
- ONT
1 stop9h 28m
Frontier
Deal found 3/19![Frontier logo]()
$108
This Super.com deal was found by Cheapflights users on 3/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:07 pm
RDU
- ONT
1 stop9h 33m
Frontier
Deal found 3/17![Frontier logo]()
$109
This Frontier deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:55 pm
RDU
- ONT
1 stop8h 03m
Frontier
Deal found 3/16![Frontier logo]()
$110
This CheapOair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/20![Frontier logo]()
$111
This Super.com deal was found by Cheapflights users on 3/19. 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 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/19![Frontier logo]()
$114
This CheapOair deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:26 pm
RDU
- ONT
1 stop14h 23m
Frontier
Deal found 3/18![Frontier logo]()
$116
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 March 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Frontier) |
One-way from | $79 (Super.com) |
Popular in | February |
Cheapest in | January |
Average price | $406 |
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 March 21, 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
Tue 5/5
5:18 am-11:36 am
1 stop9h 18m
Ontario
Wed 5/13
1:29 pm-11:44 pm
1 stop7h 15m
$337
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sat 5/9
4:15 pm-9:48 pm
1 stop8h 33m
Ontario
Mon 5/11
10:00 pm-8:51 am
1 stop7h 51m
$346
Quickest round-trip
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 5/7
5:56 pm-9:48 pm
1 stop6h 52m
Ontario
Tue 5/12
1:29 pm-11:44 pm
1 stop7h 15m
$346
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Fri 5/8
6:15 pm-10:40 pm
1 stop7h 25m
Ontario
Mon 5/11
9:55 pm-10:25 am
1 stop9h 30m
$398
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Sun 5/24
7:05 am-12:19 pm
1 stop8h 14m
Ontario
Tue 5/26
12:07 pm-12:16 am
1 stop9h 09m
$408
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 4/14
10:07 am-8:36 pm
2 stops13h 29m
Ontario
Sat 4/18
7:00 am-5:18 pm
1 stop7h 18m
$449
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 7/1
3:30 pm-10:09 pm
1 stop9h 39m
Ontario
Wed 7/8
5:05 pm-9:51 am
2 stops13h 46m
$466
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Wed 7/15
1:30 pm-8:00 pm
2 stops9h 30m
Ontario
Mon 7/20
5:50 am-7:40 pm
2 stops10h 50m
$471
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Tue 4/21
10:07 am-8:36 pm
2 stops13h 29m
Ontario
Wed 4/29
7:00 am-11:44 pm
2 stops13h 44m
$480
Cheapest one-way
RaleighOntario
RDU - ONT
RDUONT
Raleigh-Durham
Thu 6/4
6:35 am-12:12 pm
1 stop8h 37m
$228
Showing 1-10 of 21 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 March.
| 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
More
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 March 13, 2026.
Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Ontario. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Raleigh to Ontario?
Currently, September is the cheapest month in which you can book a flight from Raleigh to Ontario (average of $132). Flying from Raleigh to Ontario in December is currently the most expensive (average of $250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What’s the top layover airport for flights from Raleigh to Ontario?
Share of 1-stop round-trip flights from Raleigh to Ontario chosen by Cheapflights users in the past 12 months, using the same layover each way.
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 March 21, 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.
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Comfort
8.0
Entertainment
7.5
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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Alternative routes for Raleigh to Ontario
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Complete your trip
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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 March 21, 2026.
Raleigh and Ontario flights
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Other flights from Raleigh
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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 March 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$272 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$266 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$285 | Average$444 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$293 | Average$408 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$315 | Average$480 | FlexibilityNo cancel fee | On-time63% |