$283+ Cheap flights from Ontario to Wilmington (ONT - ILM)
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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ILM
Sep 19 — Sep 261
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Wilmington 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 Wilmington
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Best
Last-minute
One-way
Cheapest flights from Ontario to WilmingtonExplore the most affordable flight options available from Ontario to Wilmington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
Explore the most affordable flight options available from Ontario to Wilmington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2026.
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Tue 9/2911:19 am -
2 stops26h 50m
Deal found 8/20![Delta logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 8/225:00 am -
1 stop7h 19m
Sat 9/57:00 am -
2 stops16h 01m
Deal found 8/20![United Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Sat 9/2612:40 pm -
1 stop9h 01m
Deal found 8/20![Delta logo]()
$518
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
1 stop7h 06m
Tue 9/2911:19 am -
2 stops26h 50m
Deal found 8/20![Delta logo]()
$550
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:29 am -
1 stop9h 36m
Sat 9/57:46 am -
1 stop9h 07m
Deal found 8/20![American Airlines logo]()
$555
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:15 am -
2 stops13h 44m
Sat 9/264:24 pm -
1 stop9h 13m
Deal found 8/20![American Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$596
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
1 stop6h 44m
Tue 9/294:24 pm -
1 stop9h 13m
Deal found 8/20![American Airlines logo]()
$607
Best flights from Ontario to WilmingtonDiscover carefully curated flight deals from Ontario to Wilmington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
Discover carefully curated flight deals from Ontario to Wilmington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 20, 2026.
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:16 pm -
1 stop6h 40m
Sun 11/82:24 pm -
1 stop6h 58m
Deal found 8/17![Delta logo]()
$492
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:00 am -
1 stop7h 19m
Sat 10/174:00 pm -
1 stop7h 58m
Deal found 8/19![United Airlines logo]()
$518
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:29 am -
2 stops10h 17m
Sun 11/86:20 pm -
1 stop7h 41m
Deal found 8/17![American Airlines logo]()
$614
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Thu 9/245:50 pm -
1 stop7h 34m
Deal found 8/20![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Tue 9/292:30 pm -
1 stop8h 54m
Deal found 8/20![Delta logo]()
$518
This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:15 am -
2 stops13h 44m
Tue 9/224:24 pm -
1 stop9h 13m
Deal found 8/19![American Airlines logo]()
$617
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/141:56 pm -
2 stops22h 45m
Sun 9/206:14 pm -
2 stops20h 58m
Deal found 8/18![United Airlines logo]()
$677
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$596
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Thu 8/271:56 pm -
2 stops22h 22m
Sat 8/294:44 pm -
1 stop8h 51m
Deal found 8/20![United Airlines logo]()
$745
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm -
1 stop7h 06m
Tue 9/295:25 pm -
2 stops20h 44m
Deal found 8/20![Delta logo]()
$619
This American Airlines deal was found by Cheapflights users on 8/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:05 am -
2 stops12h 50m
Tue 9/87:46 am -
1 stop8h 45m
Deal found 8/16![American Airlines logo]()
$754
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 am -
2 stops24h 37m
Mon 9/285:50 pm -
1 stop7h 34m
Deal found 8/20![Delta logo]()
$645
Last-minute flights from Ontario to WilmingtonDiscover last-minute flight deals from Ontario to Wilmington. Data last updated August 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Wilmington. Data last updated August 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/20. 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.
Sat 8/225:00 am -
1 stop7h 19m
Sat 9/57:00 am -
2 stops16h 01m
Deal found 8/20![United Airlines logo]()
$512
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:29 am -
1 stop9h 36m
Sat 9/57:46 am -
1 stop9h 07m
Deal found 8/20![American Airlines logo]()
$555
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$596
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$527
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
1 stop7h 06m
Tue 9/2911:19 am -
2 stops26h 50m
Deal found 8/20![Delta logo]()
$550
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:00 pm -
1 stop7h 06m
Sat 9/2612:40 pm -
1 stop9h 01m
Deal found 8/20![Delta logo]()
$576
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am -
1 stop6h 44m
Tue 9/294:24 pm -
1 stop9h 13m
Deal found 8/20![American Airlines logo]()
$607
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Wed 9/236:30 am -
1 stop7h 39m
Deal found 8/20![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Tue 9/2911:19 am -
2 stops26h 50m
Deal found 8/20![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 8/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:00 pm -
1 stop7h 06m
Sat 9/2612:40 pm -
1 stop9h 01m
Deal found 8/20![Delta logo]()
$518
This American Airlines deal was found by Cheapflights users on 8/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:15 am -
2 stops13h 44m
Sat 9/264:24 pm -
1 stop9h 13m
Deal found 8/20![American Airlines logo]()
$566
One-way flights from Ontario to WilmingtonSearch for one-way flight options from Ontario to Wilmington. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
Search for one-way flight options from Ontario to Wilmington. Find affordable one-way fares based on user searches. Data last updated August 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/17. 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.
Sun 10/1112:01 pm -
3 stops43h 40m
Deal found 8/17![Multiple Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:19 pm -
1 stop7h 49m
Deal found 8/17![Delta logo]()
$433
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/226:00 am -
2 stops14h 57m
Deal found 8/16![United Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:00 am -
2 stops14h 59m
Deal found 8/18![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:00 am -
2 stops13h 57m
Deal found 8/18![United Airlines logo]()
$471
This United Airlines deal was found by Cheapflights users on 8/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
2 stops13h 59m
Deal found 8/18![United Airlines logo]()
$575
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:24 pm -
2 stops30h 35m
Deal found 8/17![United Airlines logo]()
$599
This United Airlines deal was found by Cheapflights users on 8/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/181:24 pm -
2 stops30h 35m
Deal found 8/19![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:08 am -
2 stops14h 49m
Deal found 8/17![United Airlines logo]()
$845
This United Airlines deal was found by Cheapflights users on 8/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
2 stops14h 57m
Deal found 8/17![United Airlines logo]()
$1,033
Find flight deals from Ontario to Wilmington
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Wilmington (ILM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $492 (Delta) |
One-way from | $283 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $527 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Wilmington 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 7,457,451 searches. Data last updated August 20, 2026.
Use the filters below to find and compare flights from Ontario to Wilmington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Wed 11/4
12:16 pm-9:56 pm
1 stop6h 40m
Wilmington New Hanover County
Sun 11/8
2:24 pm-6:22 pm
1 stop6h 58m
$492
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Sat 9/5
12:00 pm-10:06 pm
1 stop7h 06m
Wilmington New Hanover County
Thu 9/24
5:50 pm-10:24 pm
1 stop7h 34m
$492
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Sat 10/10
5:00 am-3:19 pm
1 stop7h 19m
Wilmington New Hanover County
Sat 10/17
4:00 pm-8:58 pm
1 stop7h 58m
$518
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Sat 9/5
12:00 pm-10:06 pm
1 stop7h 06m
Wilmington New Hanover County
Tue 9/29
2:30 pm-8:24 pm
1 stop8h 54m
$518
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Mon 8/31
12:00 pm-10:06 pm
1 stop7h 06m
Wilmington New Hanover County
Wed 9/23
6:30 am-11:09 am
1 stop7h 39m
$596
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Wed 11/4
9:29 am-10:46 pm
2 stops10h 17m
Wilmington New Hanover County
Sun 11/8
6:20 pm-11:01 pm
1 stop7h 41m
$614
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Fri 9/18
6:15 am-10:59 pm
2 stops13h 44m
Wilmington New Hanover County
Tue 9/22
4:24 pm-10:37 pm
1 stop9h 13m
$617
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Mon 8/31
12:00 pm-10:06 pm
1 stop7h 06m
Wilmington New Hanover County
Tue 9/29
5:25 pm-11:09 am
2 stops20h 44m
$619
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Tue 9/1
7:05 am-10:42 am
2 stops24h 37m
Wilmington New Hanover County
Mon 9/28
5:50 pm-10:24 pm
1 stop7h 34m
$645
OntarioWilmington
ONT Ontario - ILM Wilmington New Hanover County
ONTILM
Ontario
Mon 9/14
1:56 pm-3:41 pm
2 stops22h 45m
Wilmington New Hanover County
Sun 9/20
6:14 pm-12:12 pm
2 stops20h 58m
$677
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Ontario to Wilmington
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 Wilmington in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Wilmington flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Wilmington flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Wilmington flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Wilmington 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-Wilmington 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 Wilmington
Have a flexible travel schedule? Discover the best time to fly to Wilmington from Ontario with our price prediction graph.
ONT-ILM
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 Wilmington
Reviews of airlines servicing Wilmington
Get insights into the airlines that provide service to Wilmington. 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 Wilmington. Reviews last updated August 20, 2026.
Read reviews from past customers who have flown Delta and American Airlines from Ontario to Wilmington. 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
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Overall
7.8
Comfort
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Wilmington. 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 Wilmington?
Book flights to Wilmington if you plan to visit one of these locationsCarolina Beach
Wrightsville Beach
Topsail Beach
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Alternative routes for Ontario to Wilmington
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Ontario and Wilmington flights
Browse other Ontario and Wilmington flight options. Last updated on August 20, 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 August 20, 2026.
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Other flights to Wilmington
Explore flights to Wilmington departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 20, 2026.
Top 2 airlines flying from Ontario to Wilmington
Discover the top 2 airlines that operate flights from Ontario to Wilmington. 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 7,457,451 searches. Data last updated August 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$346 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$398 | Average$555 | FlexibilityNo cancel fee | On-time71% |