$281+ 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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ILM
May 28 — Jun 41
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 April 28, 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 April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/56:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Sat 8/154:15 pm
ILM
- ONT
1 stop7h 37m
United Airlines
Deal found 4/25![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2310:00 pm
ONT
- ILM
1 stop7h 30m
American Airlines
Tue 5/263:33 pm
ILM
- ONT
1 stop10h 03m
American Airlines
Deal found 4/23![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/24. 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 8/811:59 pm
ONT
- ILM
2 stops11h 04m
American Airlines
Sat 8/157:46 am
ILM
- ONT
1 stop9h 07m
American Airlines
Deal found 4/24![American Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/2410:00 pm
ONT
- ILM
1 stop7h 20m
American Airlines
Sat 5/306:09 pm
ILM
- ONT
1 stop7h 27m
American Airlines
Deal found 4/25![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/24. 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 6/305:24 pm
ONT
- ILM
2 stops13h 17m
Delta
Sat 7/46:45 am
ILM
- ONT
1 stop6h 55m
Delta
Deal found 4/24![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 4/27. 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 6/276:00 am
ONT
- ILM
2 stops13h 30m
Delta
Tue 7/75:48 am
ILM
- ONT
2 stops9h 22m
Delta
Deal found 4/27![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 4/27. 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 5/2410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Thu 6/47:00 am
ILM
- ONT
2 stops14h 36m
Delta
Deal found 4/27![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 4/26. 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 7/710:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Sun 7/125:48 am
ILM
- ONT
1 stop7h 50m
Delta
Deal found 4/26![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 4/25. 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 8/410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Sat 8/1511:45 am
ILM
- ONT
1 stop9h 16m
Delta
Deal found 4/25![Delta logo]()
$473
This Delta deal was found by Cheapflights users on 4/25. 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 8/55:16 pm
ONT
- ILM
2 stops13h 24m
Delta
Sat 8/1511:45 am
ILM
- ONT
1 stop9h 16m
Delta
Deal found 4/25![Delta logo]()
$478
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 April 28, 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 April 28, 2026.
This United Airlines deal was found by Cheapflights users on 4/25. 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 8/56:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Sat 8/154:15 pm
ILM
- ONT
1 stop7h 37m
United Airlines
Deal found 4/25![United Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2310:00 pm
ONT
- ILM
1 stop7h 30m
American Airlines
Tue 5/263:33 pm
ILM
- ONT
1 stop10h 03m
American Airlines
Deal found 4/23![American Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 4/25. 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 5/2610:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Tue 6/26:00 am
ILM
- ONT
1 stop7h 57m
Delta
Deal found 4/25![Delta logo]()
$418
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/2410:00 pm
ONT
- ILM
1 stop7h 20m
American Airlines
Sat 5/306:09 pm
ILM
- ONT
1 stop7h 27m
American Airlines
Deal found 4/25![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/25. 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 8/411:48 am
ONT
- ILM
1 stop8h 12m
Delta
Fri 8/146:00 am
ILM
- ONT
1 stop8h 04m
Delta
Deal found 4/25![Delta logo]()
$461
This United Airlines deal was found by Cheapflights users on 4/26. 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 30m
United Airlines
Wed 8/267:30 am
ILM
- ONT
2 stops16h 22m
United Airlines
Deal found 4/26![United Airlines logo]()
$504
This Delta deal was found by Cheapflights users on 4/27. 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 5/2410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Mon 6/85:48 am
ILM
- ONT
1 stop7h 52m
Delta
Deal found 4/27![Delta logo]()
$546
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/56:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Tue 8/251:03 pm
ILM
- ONT
2 stops11h 56m
United Airlines
Deal found 4/23![United Airlines logo]()
$572
This Delta deal was found by Cheapflights users on 4/27. 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 5/2510:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Tue 6/95:48 am
ILM
- ONT
1 stop7h 52m
Delta
Deal found 4/27![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/266:30 pm
ONT
- ILM
2 stops17h 54m
United Airlines
Wed 6/34:05 pm
ILM
- ONT
1 stop9h 41m
United Airlines
Deal found 4/27![United Airlines logo]()
$572
Last-minute flights from Ontario to WilmingtonDiscover last-minute flight deals from Ontario to Wilmington. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Wilmington. Data last updated April 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/1210:26 pm
ONT
- ILM
1 stop7h 05m
American Airlines
Sat 5/164:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Deal found 4/27![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/2310:00 pm
ONT
- ILM
1 stop7h 30m
American Airlines
Tue 5/263:33 pm
ILM
- ONT
1 stop10h 03m
American Airlines
Deal found 4/23![American Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/25. 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 5/2410:00 pm
ONT
- ILM
1 stop7h 20m
American Airlines
Sat 5/306:09 pm
ILM
- ONT
1 stop7h 27m
American Airlines
Deal found 4/25![American Airlines logo]()
$418
This Delta deal was found by Cheapflights users on 4/27. 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 5/2410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Thu 6/47:00 am
ILM
- ONT
2 stops14h 36m
Delta
Deal found 4/27![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 4/27. 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 5/2410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Tue 6/95:48 am
ILM
- ONT
1 stop7h 52m
Delta
Deal found 4/27![Delta logo]()
$484
This Delta deal was found by Cheapflights users on 4/27. 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 5/2410:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Fri 6/57:00 am
ILM
- ONT
2 stops17h 48m
Delta
Deal found 4/27![Delta logo]()
$488
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/246:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Sat 6/64:05 pm
ILM
- ONT
1 stop9h 41m
United Airlines
Deal found 4/27![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/246:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Tue 6/97:30 am
ILM
- ONT
2 stops12h 58m
United Airlines
Deal found 4/27![United Airlines logo]()
$509
This Delta deal was found by Cheapflights users on 4/27. 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 5/2610:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Thu 6/47:00 am
ILM
- ONT
2 stops14h 36m
Delta
Deal found 4/27![Delta logo]()
$495
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 April 28, 2026.
Search for one-way flight options from Ontario to Wilmington. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/116:00 am
ONT
- ILM
3 stops35h 09m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$281
This KAYAK deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
ONT
- ILM
1 stop7h 06m
American Airlines
Deal found 4/23![American Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 4/26. 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 7/1112:00 pm
ONT
- ILM
1 stop7h 31m
Delta
Deal found 4/26![Delta logo]()
$428
This American Airlines deal was found by Cheapflights users on 4/27. 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 6/1110:00 pm
ONT
- ILM
1 stop9h 38m
American Airlines
Deal found 4/27![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/26. 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 5/126:00 am
ONT
- ILM
2 stops14h 44m
United Airlines
Deal found 4/26![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/26. 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 7/96:30 am
ONT
- ILM
1 stop29h 54m
United Airlines
Deal found 4/26![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 4/24. 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 6/49:50 am
ONT
- ILM
2 stops10h 34m
Delta
Deal found 4/24![Delta logo]()
$535
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/76:00 am
ONT
- ILM
2 stops14h 44m
United Airlines
Deal found 4/23![United Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/156:00 am
ONT
- ILM
2 stops14h 44m
Alaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$650
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $394 (United Airlines) |
One-way from | $281 (Kiwi.com) |
Popular in | September |
Cheapest in | February |
Average price | $496 |
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 April 28, 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
Wed 8/5
6:30 am-11:44 pm
2 stops14h 14m
Wilmington New Hanover County
Sat 8/15
4:15 pm-8:52 pm
1 stop7h 37m
$394
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 5/23
10:00 pm-8:30 am
1 stop7h 30m
Wilmington New Hanover County
Tue 5/26
3:33 pm-10:36 pm
1 stop10h 03m
$407
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Tue 5/26
10:00 pm-9:40 am
1 stop8h 40m
Wilmington New Hanover County
Tue 6/2
6:00 am-10:57 am
1 stop7h 57m
$418
Quickest round-trip
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sun 5/24
10:00 pm-8:20 am
1 stop7h 20m
Wilmington New Hanover County
Sat 5/30
6:09 pm-10:36 pm
1 stop7h 27m
$418
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Tue 8/4
11:48 am-11:00 pm
1 stop8h 12m
Wilmington New Hanover County
Fri 8/14
6:00 am-11:04 am
1 stop8h 04m
$461
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 8/22
5:00 am-3:30 pm
1 stop7h 30m
Wilmington New Hanover County
Wed 8/26
7:30 am-8:52 pm
2 stops16h 22m
$504
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sun 5/24
10:00 pm-9:40 am
1 stop8h 40m
Wilmington New Hanover County
Mon 6/8
5:48 am-10:40 am
1 stop7h 52m
$546
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Mon 5/25
10:00 pm-9:40 am
1 stop8h 40m
Wilmington New Hanover County
Tue 6/9
5:48 am-10:40 am
1 stop7h 52m
$563
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Wed 8/5
6:30 am-11:44 pm
2 stops14h 14m
Wilmington New Hanover County
Tue 8/25
1:03 pm-9:59 pm
2 stops11h 56m
$572
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Tue 5/26
6:30 pm-3:24 pm
2 stops17h 54m
Wilmington New Hanover County
Wed 6/3
4:05 pm-10:46 pm
1 stop9h 41m
$572
Showing 1-10 of 16 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 April.
| 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 April 28, 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
Food
7.2
Comfort
7.9
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.9
Boarding
8.1
Overall
7.9
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.9
Boarding
8.1
Overall
7.9
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
Topsail Beach
Wrightsville Beach
Kure Beach
Southport
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Alternative routes for Ontario to Wilmington
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Complete your trip to Wilmington by adding a car rental and/or hotel reservation to your travel itinerary.
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Ontario and Wilmington flights
Browse other Ontario and Wilmington flight options. Last updated on April 28, 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 April 28, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 April 28, 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 2,558,603 searches. Data last updated April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$308 | Average$493 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$329 | Average$519 | FlexibilityNo cancel fee | On-time71% |