$211+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — ONT
Jun 2 — Jun 91
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
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 Wilmington to Ontario
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Best
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One-way
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 May 3, 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 May 3, 2026.
This Delta deal was found by Cheapflights users on 5/2. 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 5/246:00 am
ILM
- ONT
1 stop7h 57m
Delta
Tue 6/210:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 5/2![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/134:50 pm
ILM
- ONT
1 stop8h 50m
American Airlines
Sat 6/1310:00 pm
ONT
- ILM
1 stop7h 29m
American Airlines
Deal found 4/30![American Airlines logo]()
$456
This United Airlines deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am
ILM
- ONT
2 stops16h 22m
United Airlines
Sat 9/57:13 pm
ONT
- ILM
2 stops13h 52m
United Airlines
Deal found 5/1![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 4/29. 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 7/25:48 am
ILM
- ONT
1 stop7h 52m
Delta
Mon 7/610:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/29![Delta logo]()
$515
This Delta deal was found by Cheapflights users on 5/2. 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 5/202:23 pm
ILM
- ONT
1 stop7h 13m
Delta
Thu 7/210:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$520
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/187:30 am
ILM
- ONT
2 stops13h 49m
United Airlines
Tue 8/257:00 am
ONT
- ILM
2 stops13h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/29. 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 7/95:48 am
ILM
- ONT
1 stop7h 50m
Delta
Sun 7/1210:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/29![Delta logo]()
$541
This Delta deal was found by Cheapflights users on 5/2. 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 5/246:00 am
ILM
- ONT
1 stop7h 57m
Delta
Thu 7/210:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$561
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/134:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Sun 5/1710:26 pm
ONT
- ILM
1 stop7h 05m
American Airlines
Deal found 4/28![American Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 4/28. 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 5/132:23 pm
ILM
- ONT
2 stops12h 11m
Delta
Sun 5/1710:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/28![Delta logo]()
$571
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 May 3, 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 May 3, 2026.
This United Airlines deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:30 am
ILM
- ONT
2 stops16h 22m
United Airlines
Sat 9/57:13 pm
ONT
- ILM
2 stops13h 52m
United Airlines
Deal found 5/2![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 4/29. 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 7/95:48 am
ILM
- ONT
1 stop7h 50m
Delta
Sun 7/1210:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/29![Delta logo]()
$541
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/136:00 am
ILM
- ONT
2 stops10h 18m
American Airlines
Sun 5/1711:59 pm
ONT
- ILM
2 stops11h 14m
American Airlines
Deal found 4/28![American Airlines logo]()
$576
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/187:30 am
ILM
- ONT
2 stops13h 49m
United Airlines
Tue 8/257:00 am
ONT
- ILM
2 stops13h 50m
United Airlines
Deal found 4/29![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 4/28. 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 5/132:23 pm
ILM
- ONT
2 stops12h 11m
Delta
Sun 5/1710:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/28![Delta logo]()
$571
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/131:25 pm
ILM
- ONT
2 stops12h 15m
American Airlines
Sat 6/1310:22 am
ONT
- ILM
2 stops10h 27m
American Airlines
Deal found 4/30![American Airlines logo]()
$595
This Delta deal was found by Cheapflights users on 4/29. 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 7/25:48 am
ILM
- ONT
1 stop7h 52m
Delta
Sun 7/510:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 4/29![Delta logo]()
$589
This Delta deal was found by Cheapflights users on 5/2. 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 5/202:23 pm
ILM
- ONT
1 stop7h 13m
Delta
Sun 6/2810:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$594
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/44:05 pm
ILM
- ONT
1 stop9h 46m
United Airlines
Thu 8/205:45 am
ONT
- ILM
2 stops15h 05m
United Airlines
Deal found 4/29![United Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 5/2. 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 5/246:00 am
ILM
- ONT
1 stop7h 57m
Delta
Sun 6/2810:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 5/2. 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 5/226:00 am
ILM
- ONT
1 stop7h 57m
Delta
Sun 6/2810:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$655
Last-minute flights from Wilmington to OntarioDiscover last-minute flight deals from Wilmington to Ontario. Data last updated May 3, 2026 and is based on user searches.
Discover last-minute flight deals from Wilmington to Ontario. Data last updated May 3, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/134:50 pm
ILM
- ONT
1 stop8h 50m
American Airlines
Sat 6/1310:00 pm
ONT
- ILM
1 stop7h 29m
American Airlines
Deal found 4/30![American Airlines logo]()
$456
This American Airlines deal was found by Cheapflights users on 4/28. 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 5/134:50 pm
ILM
- ONT
1 stop9h 56m
American Airlines
Sun 5/1710:26 pm
ONT
- ILM
1 stop7h 05m
American Airlines
Deal found 4/28![American Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 4/28. 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 5/132:23 pm
ILM
- ONT
2 stops12h 11m
Delta
Sun 5/1710:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 4/28![Delta logo]()
$571
This Delta deal was found by Cheapflights users on 5/2. 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 5/202:23 pm
ILM
- ONT
1 stop7h 13m
Delta
Thu 7/210:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$520
This Delta deal was found by Cheapflights users on 5/2. 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 5/202:23 pm
ILM
- ONT
1 stop7h 13m
Delta
Sun 6/2810:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$594
This Delta deal was found by Cheapflights users on 5/2. 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 5/216:00 am
ILM
- ONT
1 stop7h 57m
Delta
Mon 6/2910:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$581
This Delta deal was found by Cheapflights users on 5/2. 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 5/246:00 am
ILM
- ONT
1 stop7h 57m
Delta
Tue 6/210:00 pm
ONT
- ILM
1 stop8h 40m
Delta
Deal found 5/2![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 5/2. 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 5/246:00 am
ILM
- ONT
1 stop7h 57m
Delta
Thu 7/210:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$561
This Delta deal was found by Cheapflights users on 5/2. 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 5/266:00 am
ILM
- ONT
1 stop7h 57m
Delta
Mon 6/2910:00 pm
ONT
- ILM
1 stop8h 41m
Delta
Deal found 5/2![Delta logo]()
$597
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 May 3, 2026.
Search for one-way flight options from Wilmington to Ontario. Find affordable one-way fares based on user searches. Data last updated May 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/148:20 pm
ILM
- ONT
3 stops39h 00m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Fri 5/152:35 pm
ILM
- ONT
2 stops20h 45m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 4/28. 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 5/304:05 pm
ILM
- ONT
1 stop9h 46m
United Airlines
Deal found 4/28![United Airlines logo]()
$428
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 6/226:50 am
ILM
- ONT
1 stop7h 59m
American Airlines
Deal found 4/29![American Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 4/30. 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 5/133:08 pm
ILM
- ONT
1 stop8h 59m
American Airlines
Deal found 4/30![American Airlines logo]()
$461
This United Airlines deal was found by Cheapflights users on 5/2. 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 6/207:30 am
ILM
- ONT
2 stops13h 26m
United Airlines
Deal found 5/2![United Airlines logo]()
$463
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 May 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $420 (Delta) |
One-way from | $211 (Kiwi.com) |
Popular in | March |
Cheapest in | October |
Average price | $538 |
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 May 3, 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
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Tue 9/1
7:30 am-8:52 pm
2 stops16h 22m
Ontario
Sat 9/5
7:13 pm-12:05 pm
2 stops13h 52m
$489
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Tue 8/18
7:30 am-6:19 pm
2 stops13h 49m
Ontario
Tue 8/25
7:00 am-11:50 pm
2 stops13h 50m
$527
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Thu 7/9
5:48 am-10:38 am
1 stop7h 50m
Ontario
Sun 7/12
10:00 pm-9:40 am
1 stop8h 40m
$541
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Wed 5/13
2:23 pm-11:34 pm
2 stops12h 11m
Ontario
Sun 5/17
10:00 pm-9:40 am
1 stop8h 40m
$571
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Wed 5/13
6:00 am-1:18 pm
2 stops10h 18m
Ontario
Sun 5/17
11:59 pm-2:13 pm
2 stops11h 14m
$576
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Thu 7/2
5:48 am-10:40 am
1 stop7h 52m
Ontario
Sun 7/5
10:00 pm-9:41 am
1 stop8h 41m
$589
Quickest round-trip
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Wed 5/20
2:23 pm-6:36 pm
1 stop7h 13m
Ontario
Sun 6/28
10:00 pm-9:41 am
1 stop8h 41m
$594
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Wed 5/13
1:25 pm-10:40 pm
2 stops12h 15m
Ontario
Sat 6/13
10:22 am-11:49 pm
2 stops10h 27m
$595
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Sun 5/24
6:00 am-10:57 am
1 stop7h 57m
Ontario
Sun 6/28
10:00 pm-9:41 am
1 stop8h 41m
$635
WilmingtonOntario
ILM - ONT
ILMONT
Wilmington New Hanover County
Fri 5/22
6:00 am-10:57 am
1 stop7h 57m
Ontario
Sun 6/28
10:00 pm-9:41 am
1 stop8h 41m
$655
Showing 1-10 of 23 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 May.
| 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
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 May 3, 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.
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
TUS - LAX
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Food
7.2
Entertainment
7.8
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.
Alternative routes
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 May 3, 2026.
Wilmington and Ontario flights
Browse other Wilmington and Ontario flight options. Last updated on May 3, 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 May 3, 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 May 3, 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% |