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Cheap flights from Ontario to Wilmington from $346

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Wilmington departing on 6/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Wilmington

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 3:44 pm
ONT
-
ILM
6h 44m
1 stop
American Airlines Logo
7:46 am - 1:53 pm
ILM
-
ONT
9h 07m
1 stop
$429American Airlines
Tue, Sep 1 - Sat, Sep 5
American Airlines Logo
12:33 pm - 11:05 pm
ONT
-
ILM
7h 32m
1 stop
American Airlines Logo
7:46 am - 11:43 am
ILM
-
ONT
6h 57m
1 stop
$482American Airlines
Tue, Sep 1 - Sun, Sep 6
Delta Logo
10:00 pm - 9:40 am
ONT
-
ILM
8h 40m
1 stop
Delta Logo
5:48 am - 10:38 am
ILM
-
ONT
7h 50m
1 stop
$487Delta
Wed, Jul 8 - Tue, Jul 14
United Airlines Logo
6:10 am - 11:44 pm
ONT
-
ILM
14h 34m
2 stops
United Airlines Logo
3:41 pm - 10:51 pm
ILM
-
ONT
10h 10m
1 stop
$534United Airlines
Sat, Jul 11 - Fri, Jul 17
American Airlines Logo
12:33 pm - 11:05 pm
ONT
-
ILM
7h 32m
1 stop
American Airlines Logo
7:46 am - 11:43 am
ILM
-
ONT
6h 57m
1 stop
$535American Airlines
Fri, Aug 14 - Mon, Aug 17
American Airlines Logo
2:15 pm - 11:57 pm
ONT
-
ILM
6h 42m
1 stop
American Airlines Logo
7:00 am - 11:45 am
ILM
-
ONT
7h 45m
1 stop
$558American Airlines
Fri, Jul 3 - Thu, Jul 9
Delta Logo
10:00 pm - 9:55 am
ONT
-
ILM
8h 55m
1 stop
Delta Logo
6:00 am - 10:42 am
ILM
-
ONT
7h 42m
1 stop
$581Delta
Thu, Aug 6 - Sat, Aug 15
Delta Logo
10:00 pm - 9:41 am
ONT
-
ILM
8h 41m
1 stop
Delta Logo
2:28 pm - 6:30 pm
ILM
-
ONT
7h 02m
1 stop
$586Delta
Mon, Jun 29 - Wed, Jul 8
Delta Logo
10:00 pm - 9:55 am
ONT
-
ILM
8h 55m
1 stop
Delta Logo
6:00 am - 10:42 am
ILM
-
ONT
7h 42m
1 stop
$587Delta
Thu, Aug 6 - Sat, Aug 15
United Airlines Logo
6:10 am - 11:44 pm
ONT
-
ILM
14h 34m
2 stops
United Airlines Logo
4:44 pm - 10:35 pm
ILM
-
ONT
8h 51m
1 stop
$590United Airlines
Tue, Aug 4 - Sat, Aug 15

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United Airlines flights from Ontario to Wilmington

Our best United Airlines deals on Ontario to Wilmington flight tickets
United Airlines
Jul 11
ONT6:10 amOntario
14h 34m
2 stops
ILM11:44 pmWilmington New Hanover County
Jul 17
ILM3:41 pmWilmington New Hanover County
10h 10m
1 stop
ONT10:51 pmOntario
$534
United Airlines
Aug 4
ONT6:10 amOntario
14h 34m
2 stops
ILM11:44 pmWilmington New Hanover County
Aug 15
ILM4:44 pmWilmington New Hanover County
8h 51m
1 stop
ONT10:35 pmOntario
$590
United Airlines
Sep 1
ONT1:56 pmOntario
22h 41m
2 stops
ILM3:37 pmWilmington New Hanover County
Sep 6
ILM4:44 pmWilmington New Hanover County
8h 51m
1 stop
ONT10:35 pmOntario
$602

Delta flights from Ontario to Wilmington

Our best Delta deals on Ontario to Wilmington flight tickets
Delta
Aug 9
ONT10:00 pmOntario
8h 55m
1 stop
ILM9:55 amWilmington New Hanover County
Aug 15
ILM6:00 amWilmington New Hanover County
7h 42m
1 stop
ONT10:42 amOntario
$581
Delta
Jun 29
ONT10:00 pmOntario
8h 41m
1 stop
ILM9:41 amWilmington New Hanover County
Jul 8
ILM2:28 pmWilmington New Hanover County
7h 02m
1 stop
ONT6:30 pmOntario
$586
Delta
Aug 6
ONT10:00 pmOntario
8h 55m
1 stop
ILM9:55 amWilmington New Hanover County
Aug 15
ILM6:00 amWilmington New Hanover County
7h 42m
1 stop
ONT10:42 amOntario
$587

momondo 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, momondo users made 832,500 searches. Data last updated June 14, 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

Price

Cheapest round-trip

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Tue 9/1

6:00 am-3:44 pm

1 stop6h 44m

Wilmington New Hanover County

Sat 9/5

7:46 am-1:53 pm

1 stop9h 07m

$429

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Tue 9/1

12:33 pm-11:05 pm

1 stop7h 32m

Wilmington New Hanover County

Sun 9/6

7:46 am-11:43 am

1 stop6h 57m

$482

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Wed 7/8

10:00 pm-9:40 am

1 stop8h 40m

Wilmington New Hanover County

Tue 7/14

5:48 am-10:38 am

1 stop7h 50m

$487

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Sat 7/11

6:10 am-11:44 pm

2 stops14h 34m

Wilmington New Hanover County

Fri 7/17

3:41 pm-10:51 pm

1 stop10h 10m

$534

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Fri 8/14

12:33 pm-11:05 pm

1 stop7h 32m

Wilmington New Hanover County

Mon 8/17

7:46 am-11:43 am

1 stop6h 57m

$535
Quickest round-trip

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Fri 7/3

2:15 pm-11:57 pm

1 stop6h 42m

Wilmington New Hanover County

Thu 7/9

7:00 am-11:45 am

1 stop7h 45m

$558

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

$581

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Mon 6/29

10:00 pm-9:41 am

1 stop8h 41m

Wilmington New Hanover County

Wed 7/8

2:28 pm-6:30 pm

1 stop7h 02m

$586

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

$587

OntarioWilmington

ONT - ILM

ONTILM

Ontario

Tue 8/4

6:10 am-11:44 pm

2 stops14h 34m

Wilmington New Hanover County

Sat 8/15

4:44 pm-10:35 pm

1 stop8h 51m

$590

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Wilmington from

How to get the cheapest flight ticket from Ontario to Wilmington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Ontario and Wilmington?

What is the cheapest month to fly to Wilmington?

The month of November is, on average, the cheapest month to fly to Wilmington from Ontario, with most prices found around $0. If you don’t want to visit Wilmington in November, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $329.

Can stopping save me money on Ontario to Wilmington flights?

You could potentially save up to 7% on your flight if you consider stops on a Ontario to Wilmington flight.

When to book flights from Ontario to Wilmington

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Wilmington according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Wilmington (ONT to ILM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Wilmington

Fastest flight time

7h 32m

Direct flights

None
The fastest flight from Ontario to Wilmington takes 7h 32m
There are no direct flights from Ontario to Wilmington. There are no popular flight routes from Ontario to Wilmington.
Search flight deals

Frequently asked questions about flying from Ontario to Wilmington

  • How far is Ontario to Wilmington New Hanover County by plane?

    Wilmington New Hanover County is 2257.7 mi away from Ontario. 7h 32m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Ontario Airport to Wilmington New Hanover County Airport?

    Prices for flights from Ontario Airport to Wilmington New Hanover County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario Airport to Wilmington New Hanover County Airport?

  • How old do you have to be to fly from Ontario Airport to Wilmington New Hanover County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Wilmington New Hanover County Airport.

  • What documentation or ID do you need to fly to Wilmington New Hanover County Airport?

    The travel and health documents required for your trip to Wilmington New Hanover County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Wilmington New Hanover County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Ontario to Wilmington?

Best airlines flying from Ontario to Wilmington

Compare and see reviews for airlines that fly from Ontario to Wilmington with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $308Free CancellationRating
7.9
8,403 reviews
Search Delta flights
American AirlinesPriceFrom $329Free CancellationRating
7.1
11,654 reviews
Search American Airlines flights

Traveling to a place near Wilmington?

Book flights to Wilmington if you plan to visit one of these locations
Carolina Beach
Wrightsville Beach
Kure Beach
Southport
Bald Head Island
Topsail Beach
Holden Beach

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Wilmington?

Finding the right flight to Wilmington from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Wilmington quick and easy, saving you time and money.

Can I find flights from Ontario to Wilmington with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to Wilmington flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to Wilmington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Wilmington.

I’m not ready to book a flight from Ontario to Wilmington right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Wilmington flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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