$77+ Cheap flights from Ontario to Raleigh (ONT - RDU)
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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — RDU
Apr 9 — Apr 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Ontario to Raleigh 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Ontario to Raleigh
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to RaleighExplore the most affordable flight options available from Ontario to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Ontario to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- RDU
2 stops35h 05m
Frontier
Tue 4/217:35 pm
RDU
- ONT
1 stop31h 20m
Frontier
Deal found 3/5![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2112:59 am
ONT
- RDU
1 stop13h 58m
Frontier
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 3/7![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Sat 5/169:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Deal found 3/6![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Wed 4/156:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/6![Frontier logo]()
$200
This Booking.com deal was found by Cheapflights users on 3/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/48:26 am
ONT
- RDU
1 stop9h 11m
Frontier
Mon 5/119:59 pm
RDU
- ONT
1 stop28h 56m
Frontier
Deal found 3/6![Frontier logo]()
$207
This CheapOair deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/85:33 pm
ONT
- RDU
1 stop24h 31m
Frontier
Sat 5/169:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Deal found 3/8![Frontier logo]()
$211
This Booking.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:26 am
ONT
- RDU
1 stop9h 11m
Frontier
Fri 5/89:59 pm
RDU
- ONT
1 stop28h 56m
Frontier
Deal found 3/10![Frontier logo]()
$217
This Frontier deal was found by Cheapflights users on 3/10. 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 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Fri 4/176:55 pm
RDU
- ONT
1 stop8h 03m
Frontier
Deal found 3/10![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 3/5. 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.
Mon 5/412:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Sun 5/109:59 pm
RDU
- ONT
1 stop12h 32m
Frontier
Deal found 3/5![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1712:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Sat 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/9![Frontier logo]()
$222
Best flights from Ontario to RaleighDiscover carefully curated flight deals from Ontario to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Ontario to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Southwest deal was found by Cheapflights users on 3/8. 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 4/1012:40 pm
ONT
- RDU
2 stops8h 40m
Southwest
Tue 4/145:40 am
RDU
- ONT
2 stops8h 55m
Southwest
Deal found 3/8![Southwest logo]()
$389
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Mon 3/306:49 pm
ONT
- RDU
1 stop9h 24m
United Airlines
Sat 4/44:45 pm
RDU
- ONT
1 stop9h 00m
United Airlines
Deal found 3/8![United Airlines logo]()
$413
This Priceline deal was found by Cheapflights users on 3/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:00 pm
ONT
- RDU
1 stop10h 20m
Multiple Airlines
Mon 6/85:50 pm
RDU
- ONT
1 stop8h 59m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$445
This Delta deal was found by Cheapflights users on 3/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/2710:59 pm
ONT
- RDU
1 stop6h 51m
Delta
Sat 7/113:30 pm
RDU
- ONT
1 stop9h 39m
Delta
Deal found 3/6![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 3/5. 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.
Mon 3/301:00 pm
ONT
- RDU
2 stops8h 20m
Southwest
Mon 4/66:00 pm
RDU
- ONT
2 stops9h 10m
Southwest
Deal found 3/5![Southwest logo]()
$409
This Delta deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1810:59 pm
ONT
- RDU
1 stop6h 51m
Delta
Sat 7/251:50 pm
RDU
- ONT
1 stop7h 25m
Delta
Deal found 3/8![Delta logo]()
$457
This Southwest deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:50 pm
ONT
- RDU
1 stop8h 30m
Southwest
Mon 5/256:15 pm
RDU
- ONT
1 stop7h 25m
Southwest
Deal found 3/8![Southwest logo]()
$421
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/145:10 am
ONT
- RDU
1 stop7h 02m
United Airlines
Fri 4/174:45 pm
RDU
- ONT
1 stop9h 00m
United Airlines
Deal found 3/8![United Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/112:00 pm
ONT
- RDU
1 stop9h 26m
Delta
Mon 7/64:50 pm
RDU
- ONT
1 stop8h 19m
Delta
Deal found 3/5![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 3/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:45 am
ONT
- RDU
2 stops12h 52m
United Airlines
Tue 5/266:00 am
RDU
- ONT
2 stops14h 28m
United Airlines
Deal found 3/6![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 3/9. 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 4/211:29 pm
ONT
- RDU
1 stop7h 20m
Delta
Fri 4/247:25 am
RDU
- ONT
1 stop7h 11m
Delta
Deal found 3/9![Delta logo]()
$478
Last-minute flights from Ontario to RaleighDiscover last-minute flight deals from Ontario to Raleigh. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Raleigh. Data last updated March 10, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Wed 4/156:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/6![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 3/10. 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 4/117:40 pm
ONT
- RDU
1 stop10h 27m
Frontier
Fri 4/176:55 pm
RDU
- ONT
1 stop8h 03m
Frontier
Deal found 3/10![Frontier logo]()
$220
This Frontier deal was found by Cheapflights users on 3/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:40 pm
ONT
- RDU
1 stop12h 32m
Frontier
Wed 4/156:55 pm
RDU
- ONT
1 stop8h 00m
Frontier
Deal found 3/6![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 3/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1312:59 am
ONT
- RDU
2 stops35h 05m
Frontier
Tue 4/217:35 pm
RDU
- ONT
1 stop31h 20m
Frontier
Deal found 3/5![Frontier logo]()
$177
This Booking.com deal was found by Cheapflights users on 3/7. 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 4/178:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Mon 4/279:49 pm
RDU
- ONT
1 stop29h 06m
Frontier
Deal found 3/7![Frontier logo]()
$207
This Frontier deal was found by Cheapflights users on 3/9. 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 4/1712:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Sat 4/259:49 pm
RDU
- ONT
1 stop12h 37m
Frontier
Deal found 3/9![Frontier logo]()
$222
This Booking.com deal was found by Cheapflights users on 3/10. 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 4/178:26 am
ONT
- RDU
1 stop8h 44m
Frontier
Sun 4/199:49 pm
RDU
- ONT
1 stop12h 42m
Frontier
Deal found 3/10![Frontier logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 4/2112:59 am
ONT
- RDU
1 stop13h 58m
Frontier
Wed 4/296:20 pm
RDU
- ONT
1 stop8h 35m
Frontier
Deal found 3/7![Frontier logo]()
$181
This Booking.com deal was found by Cheapflights users on 3/7. 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 4/2112:59 am
ONT
- RDU
1 stop13h 58m
Frontier
Tue 4/287:35 pm
RDU
- ONT
1 stop7h 20m
Frontier
Deal found 3/7![Frontier logo]()
$228
This Booking.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:26 am
ONT
- RDU
1 stop9h 11m
Frontier
Fri 5/89:59 pm
RDU
- ONT
1 stop28h 56m
Frontier
Deal found 3/10![Frontier logo]()
$217
One-way flights from Ontario to RaleighSearch for one-way flight options from Ontario to Raleigh. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Ontario to Raleigh. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:59 am
ONT
- RDU
1 stop13h 23m
Frontier
Deal found 3/6![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1112:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Deal found 3/6![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2712:59 am
ONT
- RDU
1 stop14h 45m
Frontier
Deal found 3/9![Frontier logo]()
$88
This Trip.com deal was found by Cheapflights users on 3/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:59 am
ONT
- RDU
1 stop13h 58m
Frontier
Deal found 3/6![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:59 am
ONT
- RDU
1 stop13h 06m
Frontier
Deal found 3/6![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:33 pm
ONT
- RDU
1 stop24h 31m
Frontier
Deal found 3/6![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:33 pm
ONT
- RDU
1 stop20h 32m
Frontier
Deal found 3/6![Frontier logo]()
$96
This Booking.com deal was found by Cheapflights users on 3/5. 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.
Thu 4/168:26 am
ONT
- RDU
1 stop9h 39m
Frontier
Deal found 3/5![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1412:59 am
ONT
- RDU
1 stop17h 05m
Frontier
Deal found 3/6![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Mon 4/1312:59 am
ONT
- RDU
1 stop14h 03m
Frontier
Deal found 3/10![Frontier logo]()
$104
Find flight deals from Ontario to Raleigh
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Raleigh (RDU). 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 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $177 (Kiwi.com) |
One-way from | $77 (Trip.com) |
Popular in | January |
Cheapest in | February |
Average price | $386 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Raleigh 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 10, 2026.
Use the filters below to find and compare flights from Ontario to Raleigh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Fri 4/10
12:40 pm-12:20 am
2 stops8h 40m
Raleigh-Durham
Tue 4/14
5:40 am-11:35 am
2 stops8h 55m
$389
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Mon 3/30
1:00 pm-12:20 am
2 stops8h 20m
Raleigh-Durham
Mon 4/6
6:00 pm-12:10 am
2 stops9h 10m
$409
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Mon 3/30
6:49 pm-7:13 am
1 stop9h 24m
Raleigh-Durham
Sat 4/4
4:45 pm-10:45 pm
1 stop9h 00m
$413
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Thu 5/21
12:50 pm-12:20 am
1 stop8h 30m
Raleigh-Durham
Mon 5/25
6:15 pm-10:40 pm
1 stop7h 25m
$421
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Mon 6/1
10:00 pm-11:20 am
1 stop10h 20m
Raleigh-Durham
Mon 6/8
5:50 pm-11:49 pm
1 stop8h 59m
$445
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Sat 6/27
10:59 pm-8:50 am
1 stop6h 51m
Raleigh-Durham
Sat 7/11
3:30 pm-10:09 pm
1 stop9h 39m
$457
Quickest round-trip
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Sat 7/18
10:59 pm-8:50 am
1 stop6h 51m
Raleigh-Durham
Sat 7/25
1:50 pm-6:15 pm
1 stop7h 25m
$457
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Wed 7/1
12:00 pm-12:26 am
1 stop9h 26m
Raleigh-Durham
Mon 7/6
4:50 pm-10:09 pm
1 stop8h 19m
$457
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Tue 4/21
1:29 pm-11:49 pm
1 stop7h 20m
Raleigh-Durham
Fri 4/24
7:25 am-11:36 am
1 stop7h 11m
$478
OntarioRaleigh
ONT - RDU
ONTRDU
Ontario
Tue 4/14
5:10 am-3:12 pm
1 stop7h 02m
Raleigh-Durham
Fri 4/17
4:45 pm-10:45 pm
1 stop9h 00m
$479
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Raleigh
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 Ontario to Raleigh in March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Raleigh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Raleigh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Raleigh flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Raleigh 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 Ontario-Raleigh 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 Ontario to Raleigh
Have a flexible travel schedule? Discover the best time to fly to Raleigh from Ontario with our price prediction graph.
ONT-RDU
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 Ontario to Raleigh
How far ahead should I book a flight from Ontario to Raleigh?
Use this chart to determine the optimal time to book a round-trip flight from Ontario to Raleigh. Price data was last updated on March 6, 2026.
To ensure you get the cheapest price possible for a flight from Ontario to Raleigh, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Ontario to Raleigh?
Currently, January is the cheapest month in which you can book a flight from Ontario to Raleigh (average of $131). Flying from Ontario to Raleigh in June is currently the most expensive (average of $199). 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.
Reviews of airlines servicing Raleigh
Get insights into the airlines that provide service to Raleigh. 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 Raleigh. Reviews last updated March 10, 2026.
Read through reviews of airlines operating flights from Ontario to Raleigh, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Raleigh?
Book flights to Raleigh if you plan to visit one of these locationsRocky Mount
Smithfield
Goldsboro
Garner
Danville
Cary
Selma
Henderson
Chapel Hill
Morrisville
Wilson
Pinehurst
Dunn
Wake Forest
South Hill
Holly Springs
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Ontario
Popular flights
Raleigh flight routes
Alternative routes for Ontario to Raleigh
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Raleigh by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Raleigh by cabin class
Find flights from Ontario to Raleigh, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Raleigh flights
Browse other Ontario and Raleigh flight options. Last updated on March 10, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Raleigh
Explore flights to Raleigh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on March 10, 2026.
Top 5 airlines flying from Ontario to Raleigh
Discover the top 5 airlines that operate flights from Ontario to Raleigh. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$256 | Average$369 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$413 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$458 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$296 | Average$381 | FlexibilityNo cancel fee | On-timeN/A |