$310+ 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ILM
Jul 27 — Aug 31
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 6/27. 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 12/1910:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Wed 1/136:00 am
ILM
- ONT
1 stop8h 27m
Delta
Deal found 6/27![Delta logo]()
$454
This American Airlines deal was found by Cheapflights users on 6/22. 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 9/110:29 am
ONT
- ILM
1 stop9h 36m
American Airlines
Sun 9/64:53 pm
ILM
- ONT
1 stop9h 06m
American Airlines
Deal found 6/22![American Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 6/22. 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 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Wed 7/85:48 am
ILM
- ONT
1 stop7h 50m
Delta
Deal found 6/22![Delta logo]()
$487
This Delta deal was found by Cheapflights users on 6/27. 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 12/2210:59 pm
ONT
- ILM
1 stop7h 38m
Delta
Wed 1/136:00 am
ILM
- ONT
1 stop8h 27m
Delta
Deal found 6/27![Delta logo]()
$488
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Thu 7/92:28 pm
ILM
- ONT
1 stop7h 02m
Delta
Deal found 6/23![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 6/27. 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.
Fri 12/256:00 am
ONT
- ILM
2 stops14h 04m
Delta
Wed 1/135:45 pm
ILM
- ONT
1 stop7h 29m
Delta
Deal found 6/27![Delta logo]()
$533
This American Airlines deal was found by Cheapflights users on 6/24. 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.
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 6/24![American Airlines logo]()
$535
This Delta deal was found by Cheapflights users on 6/25. 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.
Mon 8/310:00 pm
ONT
- ILM
1 stop8h 55m
Delta
Sat 8/156:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/25![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/257:00 am
ONT
- ILM
2 stops13h 57m
United Airlines
Sat 8/294:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/26![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 8/812:00 pm
ONT
- ILM
1 stop7h 06m
Delta
Tue 8/116:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/24![Delta logo]()
$547
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 27, 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 27, 2026.
This Delta deal was found by Cheapflights users on 6/25. 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.
Mon 8/310:00 pm
ONT
- ILM
1 stop8h 55m
Delta
Sat 8/156:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/25![Delta logo]()
$541
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/257:00 am
ONT
- ILM
2 stops13h 57m
United Airlines
Sat 8/294:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/26![United Airlines logo]()
$544
This Delta deal was found by Cheapflights users on 6/22. 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 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Fri 7/102:28 pm
ILM
- ONT
1 stop7h 02m
Delta
Deal found 6/22![Delta logo]()
$584
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 8/41:50 pm
ONT
- ILM
2 stops22h 10m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/25![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Sun 7/125:48 am
ILM
- ONT
1 stop7h 50m
Delta
Deal found 6/24![Delta logo]()
$586
This United Airlines deal was found by Cheapflights users on 6/25. 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 8/51:50 pm
ONT
- ILM
2 stops22h 10m
United Airlines
Sat 8/154:44 pm
ILM
- ONT
1 stop8h 51m
United Airlines
Deal found 6/25![United Airlines logo]()
$613
This Delta deal was found by Cheapflights users on 6/22. 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 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Mon 7/1310:29 am
ILM
- ONT
1 stop14h 21m
Delta
Deal found 6/22![Delta logo]()
$628
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:10 am
ONT
- ILM
2 stops14h 34m
United Airlines
Thu 7/93:42 pm
ILM
- ONT
1 stop10h 09m
United Airlines
Deal found 6/24![United Airlines logo]()
$654
This Delta deal was found by Cheapflights users on 6/25. 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.
Thu 8/610:00 pm
ONT
- ILM
1 stop8h 55m
Delta
Sat 8/156:00 am
ILM
- ONT
1 stop7h 42m
Delta
Deal found 6/25![Delta logo]()
$633
Last-minute flights from Ontario to WilmingtonDiscover last-minute flight deals from Ontario to Wilmington. Data last updated June 27, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Wilmington. Data last updated June 27, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/32:15 pm
ONT
- ILM
1 stop6h 42m
American Airlines
Tue 7/147:00 am
ILM
- ONT
1 stop7h 45m
American Airlines
Deal found 6/23![American Airlines logo]()
$597
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/310:10 pm
ONT
- ILM
1 stop7h 43m
American Airlines
Sat 7/117:00 am
ILM
- ONT
1 stop9h 22m
American Airlines
Deal found 6/23![American Airlines logo]()
$628
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/310:10 pm
ONT
- ILM
1 stop7h 43m
American Airlines
Thu 7/96:06 pm
ILM
- ONT
1 stop7h 28m
American Airlines
Deal found 6/23![American Airlines logo]()
$638
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 7/36:10 am
ONT
- ILM
2 stops14h 34m
United Airlines
Tue 7/143:41 pm
ILM
- ONT
1 stop10h 10m
United Airlines
Deal found 6/23![United Airlines logo]()
$650
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Wed 7/82:28 pm
ILM
- ONT
1 stop7h 02m
Delta
Deal found 6/23![Delta logo]()
$528
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Fri 7/102:28 pm
ILM
- ONT
1 stop7h 02m
Delta
Deal found 6/23![Delta logo]()
$584
This Delta deal was found by Cheapflights users on 6/24. 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.
Sat 7/411:50 am
ONT
- ILM
1 stop7h 30m
Delta
Tue 7/142:28 pm
ILM
- ONT
1 stop7h 02m
Delta
Deal found 6/24![Delta logo]()
$632
This American Airlines deal was found by Cheapflights users on 6/24. 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.
Sun 7/512:35 pm
ONT
- ILM
1 stop8h 22m
American Airlines
Sat 7/117:00 am
ILM
- ONT
1 stop9h 22m
American Airlines
Deal found 6/24![American Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 7/75:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Thu 9/174:44 pm
ILM
- ONT
1 stop9h 15m
United Airlines
Deal found 6/25![United Airlines logo]()
$603
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:10 pm
ONT
- ILM
1 stop7h 09m
American Airlines
Thu 7/237:00 am
ILM
- ONT
1 stop9h 22m
American Airlines
Deal found 6/26![American Airlines logo]()
$607
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 27, 2026.
Search for one-way flight options from Ontario to Wilmington. Find affordable one-way fares based on user searches. Data last updated June 27, 2026.
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:10 pm
ONT
- ILM
2 stops13h 40m
JetBlue
Deal found 6/25![JetBlue logo]()
$310
This United Airlines deal was found by Cheapflights users on 6/22. 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 8/85:00 am
ONT
- ILM
1 stop7h 19m
United Airlines
Deal found 6/22![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 6/23. 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 7/235:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/23![United Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Tue 10/136:00 am
ONT
- ILM
2 stops13h 59m
United Airlines
Deal found 6/25![United Airlines logo]()
$463
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Mon 7/66:10 am
ONT
- ILM
2 stops14h 34m
United Airlines
Deal found 6/25![United Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 6/22. 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 7/57:05 am
ONT
- ILM
1 stop8h 00m
Delta
Deal found 6/22![Delta logo]()
$955
This Expedia deal was found by Cheapflights users on 6/22. 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.
Sun 7/511:59 pm
ONT
- ILM
2 stops12h 55m
JetBlue
Deal found 6/22![JetBlue logo]()
$997
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/155:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/25![United Airlines logo]()
$1,023
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Sun 7/265:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,126
This United Airlines deal was found by Cheapflights users on 6/22. 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 7/56:10 am
ONT
- ILM
3 stops14h 34m
United Airlines
Deal found 6/22![United Airlines logo]()
$1,278
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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $482 (American Airlines) |
One-way from | $310 (Orbitz) |
Popular in | June |
Cheapest in | February |
Average price | $726 |
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 27, 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
Mon 8/3
10:00 pm-9:55 am
1 stop8h 55m
Wilmington New Hanover County
Sat 8/15
6:00 am-10:42 am
1 stop7h 42m
$541
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Tue 8/25
7:00 am-11:57 pm
2 stops13h 57m
Wilmington New Hanover County
Sat 8/29
4:44 pm-10:35 pm
1 stop8h 51m
$544
Quickest round-trip
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 7/4
11:50 am-10:20 pm
1 stop7h 30m
Wilmington New Hanover County
Fri 7/10
2:28 pm-6:30 pm
1 stop7h 02m
$584
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 7/4
11:50 am-10:20 pm
1 stop7h 30m
Wilmington New Hanover County
Sun 7/12
5:48 am-10:38 am
1 stop7h 50m
$586
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Tue 8/4
1:50 pm-3:00 pm
2 stops22h 10m
Wilmington New Hanover County
Sat 8/15
4:44 pm-10:35 pm
1 stop8h 51m
$613
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Wed 8/5
1:50 pm-3:00 pm
2 stops22h 10m
Wilmington New Hanover County
Sat 8/15
4:44 pm-10:35 pm
1 stop8h 51m
$613
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Sat 7/4
11:50 am-10:20 pm
1 stop7h 30m
Wilmington New Hanover County
Mon 7/13
10:29 am-9:50 pm
1 stop14h 21m
$628
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Thu 8/6
10:00 pm-9:55 am
1 stop8h 55m
Wilmington New Hanover County
Sat 8/15
6:00 am-10:42 am
1 stop7h 42m
$633
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Fri 7/3
6:10 am-11:44 pm
2 stops14h 34m
Wilmington New Hanover County
Thu 7/9
3:42 pm-10:51 pm
1 stop10h 09m
$654
Cheapest one-way
OntarioWilmington
ONT - ILM
ONTILM
Ontario
Mon 9/21
9:10 pm-1:50 pm
2 stops13h 40m
$310
Showing 1-10 of 20 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.
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 27, 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
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentMichael,Sep 2023
SMF - ATL
Crew
8.5
Comfort
7.8
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
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
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
Wilmington flight routes
Alternative routes for Ontario to Wilmington
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Wilmington by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Wilmington by cabin class
Find flights from Ontario to Wilmington, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Wilmington flights
Browse other Ontario and Wilmington flight options. Last updated on June 27, 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 June 27, 2026.
Popular flight searches
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 June 27, 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 June 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$343 | Average$523 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$527 | FlexibilityNo cancel fee | On-time71% |