$401+ Cheap flights from Wilmington to Ontario (ILM - ONT)
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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — ONT
May 12 — May 191
Round-trip
1 adult, Economy
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Find cheap flights from Wilmington to Ontario 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
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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 Wilmington to Ontario
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Cheapest flights from Wilmington to OntarioExplore the most affordable flight options available from Wilmington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 12, 2026.
Explore the most affordable flight options available from Wilmington to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 12, 2026.
This American Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:09 pm
ILM
- ONT
1 stop7h 27m
American Airlines
Wed 6/310:00 pm
ONT
- ILM
1 stop7h 20m
American Airlines
Deal found 4/10![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ILM
- ONT
1 stop7h 57m
Delta
Tue 7/710:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/9![Delta logo]()
$469
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
ILM
- ONT
1 stop8h 36m
Delta
Wed 4/2212:49 pm
ONT
- ILM
1 stop8h 10m
Delta
Deal found 4/10![Delta logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Mon 4/2711:29 pm
ONT
- ILM
1 stop7h 17m
American Airlines
Deal found 4/8![American Airlines logo]()
$509
This American Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:25 pm
ILM
- ONT
2 stops12h 11m
American Airlines
Wed 4/2211:59 pm
ONT
- ILM
2 stops11h 14m
American Airlines
Deal found 4/10![American Airlines logo]()
$515
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Tue 4/286:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:24 pm
ILM
- ONT
1 stop9h 36m
Delta
Tue 4/2810:15 pm
ONT
- ILM
1 stop8h 19m
Delta
Deal found 4/10![Delta logo]()
$577
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Wed 4/226:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$578
This American Airlines deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Sun 4/1210:26 pm
ONT
- ILM
1 stop7h 05m
American Airlines
Deal found 4/7![American Airlines logo]()
$579
Best flights from Wilmington to OntarioDiscover carefully curated flight deals from Wilmington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 12, 2026.
Discover carefully curated flight deals from Wilmington to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 12, 2026.
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ILM
- ONT
1 stop7h 57m
Delta
Mon 7/610:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/9![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Mon 4/276:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/8![United Airlines logo]()
$505
This United Airlines deal was found by Cheapflights users on 4/11. 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 9/297:30 am
ILM
- ONT
2 stops12h 48m
United Airlines
Tue 10/206:53 pm
ONT
- ILM
2 stops14h 12m
United Airlines
Deal found 4/11![United Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Tue 4/286:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:24 pm
ILM
- ONT
1 stop9h 36m
Delta
Tue 4/2810:15 pm
ONT
- ILM
1 stop8h 19m
Delta
Deal found 4/10![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
ILM
- ONT
1 stop7h 57m
Delta
Sat 7/47:05 am
ONT
- ILM
1 stop12h 25m
Delta
Deal found 4/9![Delta logo]()
$628
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:05 pm
ILM
- ONT
1 stop9h 41m
United Airlines
Tue 6/25:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 4/10![United Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 4/11. 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 7/154:05 pm
ILM
- ONT
1 stop9h 46m
United Airlines
Thu 7/236:30 am
ONT
- ILM
2 stops14h 14m
United Airlines
Deal found 4/11![United Airlines logo]()
$682
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/294:05 pm
ILM
- ONT
1 stop9h 41m
United Airlines
Sun 6/75:45 am
ONT
- ILM
2 stops14h 59m
United Airlines
Deal found 4/9![United Airlines logo]()
$692
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:15 pm
ILM
- ONT
1 stop7h 37m
United Airlines
Mon 9/147:00 am
ONT
- ILM
2 stops13h 50m
United Airlines
Deal found 4/8![United Airlines logo]()
$700
Last-minute flights from Wilmington to OntarioDiscover last-minute flight deals from Wilmington to Ontario. Data last updated April 12, 2026 and is based on user searches.
Discover last-minute flight deals from Wilmington to Ontario. Data last updated April 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Wed 4/226:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$578
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/186:00 am
ILM
- ONT
1 stop8h 36m
Delta
Wed 4/2212:49 pm
ONT
- ILM
1 stop8h 10m
Delta
Deal found 4/10![Delta logo]()
$505
This American Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/181:25 pm
ILM
- ONT
2 stops12h 11m
American Airlines
Wed 4/2211:59 pm
ONT
- ILM
2 stops11h 14m
American Airlines
Deal found 4/10![American Airlines logo]()
$515
This American Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Mon 4/2711:29 pm
ONT
- ILM
1 stop7h 17m
American Airlines
Deal found 4/8![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Tue 4/286:05 am
ONT
- ILM
2 stops14h 39m
United Airlines
Deal found 4/10![United Airlines logo]()
$519
This Delta deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/232:24 pm
ILM
- ONT
1 stop9h 36m
Delta
Tue 4/2810:15 pm
ONT
- ILM
1 stop8h 19m
Delta
Deal found 4/10![Delta logo]()
$577
This American Airlines deal was found by Cheapflights users on 4/11. 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 4/234:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Tue 4/2810:26 pm
ONT
- ILM
1 stop7h 05m
American Airlines
Deal found 4/11![American Airlines logo]()
$579
This American Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:09 pm
ILM
- ONT
1 stop7h 27m
American Airlines
Wed 6/310:00 pm
ONT
- ILM
1 stop7h 20m
American Airlines
Deal found 4/10![American Airlines logo]()
$419
One-way flights from Wilmington to OntarioSearch for one-way flight options from Wilmington to Ontario. Find affordable one-way fares based on user searches. Data last updated April 12, 2026.
Search for one-way flight options from Wilmington to Ontario. Find affordable one-way fares based on user searches. Data last updated April 12, 2026.
This KAYAK deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ILM
- ONT
1 stop7h 57m
Delta
Deal found 4/9![Delta logo]()
$401
This KAYAK deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/202:24 pm
ILM
- ONT
1 stop9h 36m
Delta
Deal found 4/9![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:05 pm
ILM
- ONT
1 stop9h 41m
United Airlines
Deal found 4/9![United Airlines logo]()
$428
This Delta deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/102:26 pm
ILM
- ONT
1 stop6h 59m
Delta
Deal found 4/7![Delta logo]()
$438
This United Airlines deal was found by Cheapflights users on 4/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/47:30 am
ILM
- ONT
2 stops16h 12m
United Airlines
Deal found 4/8![United Airlines logo]()
$443
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
ILM
- ONT
2 stops15h 01m
United Airlines
Deal found 4/12![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 4/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/216:00 am
ILM
- ONT
2 stops15h 02m
United Airlines
Deal found 4/10![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 4/11. 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 4/276:00 am
ILM
- ONT
2 stops14h 47m
United Airlines
Deal found 4/11![United Airlines logo]()
$493
Find flight deals from Wilmington to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to Ontario (ONT). 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 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $419 (American Airlines) |
One-way from | $401 (KAYAK) |
Popular in | March |
Cheapest in | October |
Average price | $498 |
Cheapflights Fare Finder
Customize your flight search to find flights from Wilmington to Ontario 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 12, 2026.
Use the filters below to find and compare flights from Wilmington to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Sat 6/6
6:00 am-10:57 am
1 stop7h 57m
Ontario
Mon 7/6
10:00 pm-9:40 am
1 stop8h 40m
$469
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Fri 4/24
6:00 am-5:47 pm
2 stops14h 47m
Ontario
Mon 4/27
6:05 am-11:44 pm
2 stops14h 39m
$505
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Tue 9/29
7:30 am-5:18 pm
2 stops12h 48m
Ontario
Tue 10/20
6:53 pm-12:05 pm
2 stops14h 12m
$509
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Thu 4/23
6:00 am-5:47 pm
2 stops14h 47m
Ontario
Tue 4/28
6:05 am-11:44 pm
2 stops14h 39m
$519
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Thu 4/23
2:24 pm-9:00 pm
1 stop9h 36m
Ontario
Tue 4/28
10:15 pm-9:34 am
1 stop8h 19m
$577
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Sat 6/6
6:00 am-10:57 am
1 stop7h 57m
Ontario
Sat 7/4
7:05 am-10:30 pm
1 stop12h 25m
$628
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Tue 5/26
4:05 pm-10:46 pm
1 stop9h 41m
Ontario
Tue 6/2
5:45 am-11:44 pm
2 stops14h 59m
$682
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Wed 7/15
4:05 pm-10:51 pm
1 stop9h 46m
Ontario
Thu 7/23
6:30 am-11:44 pm
2 stops14h 14m
$682
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Fri 5/29
4:05 pm-10:46 pm
1 stop9h 41m
Ontario
Sun 6/7
5:45 am-11:44 pm
2 stops14h 59m
$692
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Sat 8/15
4:15 pm-8:52 pm
1 stop7h 37m
Ontario
Mon 9/14
7:00 am-11:50 pm
2 stops13h 50m
$700
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Wilmington to Ontario
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 Wilmington to Ontario 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 Wilmington-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Wilmington-Ontario 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 Wilmington-Ontario 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 Wilmington to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Wilmington with our price prediction graph.
ILM-ONT
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 Wilmington to Ontario
What is the cheapest month to book a flight from Wilmington to Ontario?
Currently, May is the cheapest month in which you can book a flight from Wilmington to Ontario (average of $171). Flying from Wilmington to Ontario in February is currently the most expensive (average of $286). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Wilmington to Ontario?
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated April 12, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Wilmington to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Crew
8.5
Comfort
7.9
Entertainment
7.8
Overall
7.9
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Related info for your journey
Find useful and relevant information for your journey from Wilmington to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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.
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Complete your trip
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Alternative routes for Wilmington to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Wilmington to Ontario by cabin class
Find flights from Wilmington to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 12, 2026.
Wilmington and Ontario flights
Browse other Wilmington and Ontario flight options. Last updated on April 12, 2026.
Other flights from Wilmington
Browse through other flights departing from Wilmington. Flights are based on user searches made on Cheapflights and were last updated on April 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Wilmington to Ontario
Discover the top 2 airlines that operate flights from Wilmington to Ontario. 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 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$354 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$368 | Average$434 | FlexibilityNo cancel fee | On-time71% |