$257+ 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ILM
Jul 21 — Jul 281
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 June 21, 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 June 21, 2026.
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 8/812:33 pm
ONT
- ILM
1 stop7h 32m
American Airlines
Sat 8/157:46 am
ILM
- ONT
1 stop9h 07m
American Airlines
Deal found 6/16![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 8/85:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/16![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/19. 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 11/2510:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Wed 12/25:45 pm
ILM
- ONT
1 stop7h 29m
Delta
Deal found 6/19![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:33 pm
ONT
- ILM
1 stop7h 32m
American Airlines
Sun 9/67:46 am
ILM
- ONT
1 stop6h 57m
American Airlines
Deal found 6/18![American Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/19. 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.
Fri 11/2010:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Wed 12/25:45 pm
ILM
- ONT
1 stop7h 29m
Delta
Deal found 6/19![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 6/19. 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 11/2510:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Thu 12/35:45 pm
ILM
- ONT
1 stop7h 29m
Delta
Deal found 6/19![Delta logo]()
$513
This Delta deal was found by Cheapflights users on 6/19. 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.
Sun 11/2210:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Wed 12/27:00 am
ILM
- ONT
2 stops18h 14m
Delta
Deal found 6/19![Delta logo]()
$520
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 8/1412:33 pm
ONT
- ILM
1 stop7h 32m
American Airlines
Mon 8/177:46 am
ILM
- ONT
1 stop6h 57m
American Airlines
Deal found 6/20![American Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 6/19. 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.
Sun 11/2210:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Thu 12/36:00 am
ILM
- ONT
1 stop8h 27m
Delta
Deal found 6/19![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 6/19. 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 9/127:00 am
ONT
- ILM
2 stops13h 59m
United Airlines
Wed 9/164:44 pm
ILM
- ONT
1 stop9h 15m
United Airlines
Deal found 6/19![United Airlines logo]()
$544
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 June 21, 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 June 21, 2026.
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Sat 8/85:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/16![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 8/712:00 pm
ONT
- ILM
1 stop8h 57m
Delta
Fri 8/146:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/16![Delta logo]()
$581
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 8/146:00 am
ONT
- ILM
1 stop6h 44m
American Airlines
Mon 8/176:11 am
ILM
- ONT
2 stops12h 08m
American Airlines
Deal found 6/20![American Airlines logo]()
$615
This Delta deal was found by Cheapflights users on 6/16. 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 8/812:00 pm
ONT
- ILM
1 stop7h 06m
Delta
Thu 8/136:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/16![Delta logo]()
$587
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 8/56:10 am
ONT
- ILM
2 stops14h 34m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$590
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 11/2612:00 pm
ONT
- ILM
1 stop8h 04m
Delta
Thu 12/37:00 am
ILM
- ONT
2 stops14h 18m
Delta
Deal found 6/19![Delta logo]()
$590
This American Airlines deal was found by Cheapflights users on 6/17. 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.
Sun 7/510:10 pm
ONT
- ILM
1 stop7h 09m
American Airlines
Sun 7/197:00 am
ILM
- ONT
1 stop9h 23m
American Airlines
Deal found 6/17![American Airlines logo]()
$721
This Delta deal was found by Cheapflights users on 6/19. 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 11/2510:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Mon 11/305:45 pm
ILM
- ONT
1 stop7h 29m
Delta
Deal found 6/19![Delta logo]()
$633
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 9/237:00 am
ONT
- ILM
2 stops13h 57m
United Airlines
Sat 9/264:00 pm
ILM
- ONT
1 stop7h 58m
United Airlines
Deal found 6/20![United Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Sun 8/96:10 am
ONT
- ILM
2 stops14h 34m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/17![United Airlines logo]()
$732
Last-minute flights from Ontario to WilmingtonDiscover last-minute flight deals from Ontario to Wilmington. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Wilmington. Data last updated June 21, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/16. 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 6/2511:50 am
ONT
- ILM
1 stop8h 06m
Delta
Sun 6/285:47 am
ILM
- ONT
1 stop7h 53m
Delta
Deal found 6/16![Delta logo]()
$765
This Delta deal was found by Cheapflights users on 6/17. 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.
Fri 6/2611:50 am
ONT
- ILM
1 stop8h 06m
Delta
Sat 7/46:45 am
ILM
- ONT
1 stop6h 55m
Delta
Deal found 6/17![Delta logo]()
$614
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 6/307:05 am
ONT
- ILM
1 stop8h 00m
Delta
Sat 7/412:09 pm
ILM
- ONT
1 stop9h 21m
Delta
Deal found 6/17![Delta logo]()
$696
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/210:10 pm
ONT
- ILM
1 stop7h 09m
American Airlines
Tue 7/74:35 pm
ILM
- ONT
1 stop8h 57m
American Airlines
Deal found 6/16![American Airlines logo]()
$735
This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/510:10 pm
ONT
- ILM
1 stop7h 09m
American Airlines
Sun 7/197:00 am
ILM
- ONT
1 stop9h 23m
American Airlines
Deal found 6/21![American Airlines logo]()
$721
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/85:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Sat 7/117:30 am
ILM
- ONT
2 stops18h 21m
United Airlines
Deal found 6/16![United Airlines logo]()
$723
This Delta deal was found by Cheapflights users on 6/16. 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.
Wed 7/811:48 am
ONT
- ILM
1 stop8h 08m
Delta
Sat 7/116:38 am
ILM
- ONT
1 stop7h 00m
Delta
Deal found 6/16![Delta logo]()
$807
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 June 21, 2026.
Search for one-way flight options from Ontario to Wilmington. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:56 pm
ONT
- ILM
3 stops45h 13m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$257
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:24 pm
ONT
- ILM
2 stops13h 11m
JetBlue
Deal found 6/18![JetBlue logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/128:58 am
ONT
- ILM
3 stops51h 00m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 8/225:00 am
ONT
- ILM
1 stop7h 19m
United Airlines
Deal found 6/18![United Airlines logo]()
$374
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2411:51 pm
ONT
- ILM
2 stops13h 01m
JetBlue
Deal found 6/19![JetBlue logo]()
$427
This Delta deal was found by Cheapflights users on 6/19. 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 7/2210:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 6/19![Delta logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/225:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/19![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 7/95:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/16![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 7/155:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/19![United Airlines logo]()
$435
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Thu 7/23:34 pm
ONT
- ILM
3 stops22h 50m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$446
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 7/125:34 am
ONT
- ILM
1 stop7h 19m
American Airlines
Deal found 6/19![American Airlines logo]()
$458
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 June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (American Airlines) |
One-way from | $257 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $630 |
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 2,558,603 searches. Data last updated June 21, 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
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 8/8
5:45 am-11:44 pm
2 stops14h 59m
Wilmington New Hanover County
Sat 8/15
4:44 pm-10:35 pm
1 stop8h 51m
$434
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Fri 8/7
12:00 pm-11:57 pm
1 stop8h 57m
Wilmington New Hanover County
Fri 8/14
6:00 am-10:42 am
1 stop7h 42m
$581
Quickest round-trip
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 8/8
12:00 pm-10:06 pm
1 stop7h 06m
Wilmington New Hanover County
Thu 8/13
6:00 am-10:42 am
1 stop7h 42m
$587
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Wed 8/5
6:10 am-11:44 pm
2 stops14h 34m
Wilmington New Hanover County
Sat 8/15
4:44 pm-10:35 pm
1 stop8h 51m
$590
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Thu 11/26
12:00 pm-11:04 pm
1 stop8h 04m
Wilmington New Hanover County
Thu 12/3
7:00 am-6:18 pm
2 stops14h 18m
$590
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Fri 8/14
6:00 am-3:44 pm
1 stop6h 44m
Wilmington New Hanover County
Mon 8/17
6:11 am-3:19 pm
2 stops12h 08m
$615
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Wed 11/25
10:59 pm-9:37 am
1 stop7h 38m
Wilmington New Hanover County
Mon 11/30
5:45 pm-10:14 pm
1 stop7h 29m
$633
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Wed 9/23
7:00 am-11:57 pm
2 stops13h 57m
Wilmington New Hanover County
Sat 9/26
4:00 pm-8:58 pm
1 stop7h 58m
$702
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sun 7/5
10:10 pm-8:19 am
1 stop7h 09m
Wilmington New Hanover County
Sun 7/19
7:00 am-1:23 pm
1 stop9h 23m
$721
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sun 8/9
6:10 am-11:44 pm
2 stops14h 34m
Wilmington New Hanover County
Sat 8/15
4:44 pm-10:35 pm
1 stop8h 51m
$732
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 June.
| 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 June 21, 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.
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Overall
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Comfort
7.8
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
Kure 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 June 21, 2026.
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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 2,558,603 searches. Data last updated June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$523 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$527 | FlexibilityNo cancel fee | On-time71% |