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Cheap flights from Wilmington to Los Angeles from $369

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Wilmington to Los Angeles departing on 2/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Wilmington to Los Angeles (ILM-ONT)

Cheap round-trip flights

Delta Logo
2:30 pm - 9:14 pmILM-ONT
9h 44m1 stop
Delta Logo
10:30 pm - 9:37 amONT-ILM
8h 07m1 stop
$369Delta
Find Deal
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
7:05 am - 5:37 pmILM-ONT
13h 32m2 stops
United Airlines Logo
6:04 am - 11:24 pmONT-ILM
14h 20m2 stops
$424United Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
6:00 am - 10:26 amILM-ONT
7h 26m1 stop
Delta Logo
10:25 pm - 9:38 amONT-ILM
8h 13m1 stop
$429Delta
Find Deal
Fri, Nov 7 - Tue, Nov 11
Delta Logo
6:00 am - 10:35 amILM-ONT
7h 35m1 stop
Delta Logo
11:55 am - 10:46 pmONT-ILM
7h 51m1 stop
$447Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
Delta Logo
2:35 pm - 10:40 pmILM-ONT
11h 05m2 stops
Delta Logo
11:55 am - 10:46 pmONT-ILM
7h 51m1 stop
$452Delta
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
8:20 am - 6:16 pmILM-ONT
12h 56m2 stops
American Airlines Logo
10:53 am - 11:08 pmONT-ILM
9h 15m2 stops
$457American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16
American Airlines Logo
2:26 pm - 8:24 pmILM-ONT
8h 58m1 stop
American Airlines Logo
8:04 pm - 8:24 amONT-ILM
9h 20m2 stops
$474American Airlines
Find Deal
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
12:47 pm - 9:40 pmILM-ONT
11h 53m2 stops
American Airlines Logo
10:38 am - 10:13 pmONT-ILM
8h 35m2 stops
$479American Airlines
Find Deal
Sat, Feb 21 - Wed, Feb 25
American Airlines Logo
12:47 pm - 9:40 pmILM-ONT
11h 53m2 stops
American Airlines Logo
6:47 am - 6:58 pmONT-ILM
9h 11m2 stops
$489American Airlines
Find Deal
Sat, Feb 21 - Wed, Feb 25
United Airlines Logo
2:34 pm - 12:32 pmILM-ONT
24h 58m2 stops
United Airlines Logo
6:04 am - 11:24 pmONT-ILM
14h 20m2 stops
$612United Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 13

Delta flights from Wilmington to Ontario

Our best Delta deals on Wilmington to Ontario flight tickets
Delta
Feb 21
ILM2:30 pmWilmington New Hanover County
9h 44m
1 stop
ONT9:14 pmOntario
Feb 25
ONT10:30 pmOntario
8h 07m
1 stop
ILM9:37 amWilmington New Hanover County
$369
Find similar
Delta
Nov 7
ILM6:00 amWilmington New Hanover County
7h 26m
1 stop
ONT10:26 amOntario
Nov 11
ONT10:25 pmOntario
8h 13m
1 stop
ILM9:38 amWilmington New Hanover County
$429
Find similar
Delta
Sep 9
ILM6:00 amWilmington New Hanover County
7h 35m
1 stop
ONT10:35 amOntario
Sep 16
ONT11:55 amOntario
7h 51m
1 stop
ILM10:46 pmWilmington New Hanover County
$447
Find similar

American Airlines flights from Wilmington to Ontario

Our best American Airlines deals on Wilmington to Ontario flight tickets
American Airlines
Sep 4
ILM5:36 pmWilmington New Hanover County
6h 48m
1 stop
ONT9:24 pmOntario
Sep 7
ONT10:55 amOntario
8h 49m
1 stop
ILM10:44 pmWilmington New Hanover County
$454
Find similar
American Airlines
Sep 9
ILM8:20 amWilmington New Hanover County
12h 56m
2 stops
ONT6:16 pmOntario
Sep 16
ONT10:53 amOntario
9h 15m
2 stops
ILM11:08 pmWilmington New Hanover County
$457
Find similar
American Airlines
Sep 4
ILM8:20 amWilmington New Hanover County
10h 45m
2 stops
ONT4:05 pmOntario
Sep 7
ONT10:55 amOntario
8h 49m
1 stop
ILM10:44 pmWilmington New Hanover County
$459
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 28, 2025.
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

Price

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 2/21

2:30 pm-9:14 pm

1 stop9h 44m

Ontario

Wed 2/25

10:30 pm-9:37 am

1 stop8h 07m

$369

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Tue 9/9

7:05 am-5:37 pm

2 stops13h 32m

Ontario

Tue 9/16

6:04 am-11:24 pm

2 stops14h 20m

$424

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Fri 11/7

6:00 am-10:26 am

1 stop7h 26m

Ontario

Tue 11/11

10:25 pm-9:38 am

1 stop8h 13m

$429

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Tue 9/9

6:00 am-10:35 am

1 stop7h 35m

Ontario

Tue 9/16

11:55 am-10:46 pm

1 stop7h 51m

$447

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Tue 9/9

2:35 pm-10:40 pm

2 stops11h 05m

Ontario

Tue 9/16

11:55 am-10:46 pm

1 stop7h 51m

$452

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Tue 9/9

8:20 am-6:16 pm

2 stops12h 56m

Ontario

Tue 9/16

10:53 am-11:08 pm

2 stops9h 15m

$457

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 2/21

2:26 pm-8:24 pm

1 stop8h 58m

Ontario

Wed 2/25

8:04 pm-8:24 am

2 stops9h 20m

$474

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 2/21

12:47 pm-9:40 pm

2 stops11h 53m

Ontario

Wed 2/25

10:38 am-10:13 pm

2 stops8h 35m

$479

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 2/21

12:47 pm-9:40 pm

2 stops11h 53m

Ontario

Wed 2/25

6:47 am-6:58 pm

2 stops9h 11m

$489

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Wed 9/10

2:34 pm-12:32 pm

2 stops24h 58m

Ontario

Sat 9/13

6:04 am-11:24 pm

2 stops14h 20m

$612

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Wilmington to Ontario

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 cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Saturday when prices can be found for as low as $413. This is often the case because there is less demand to fly during this day of the week. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Wilmington to Ontario for around $693.

What is the cheapest time of day to depart on your flight to Ontario?

In the morning is the cheapest time of day to fly from Wilmington to Ontario when you can find flight prices for as low as $463. Flying to Ontario in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $480 on average. Flights to Ontario from Wilmington in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Wilmington to Ontario

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

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

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

Direct flights

None
There are no direct flights from Wilmington to Ontario. There are no popular flight routes from Wilmington to Ontario.
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  • How far is Wilmington New Hanover County to Ontario by plane?

    Wilmington New Hanover County and Ontario are 2257.7 mi apart from one another. Flights usually cover this in 7h 26m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Wilmington New Hanover County Airport to Ontario Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Wilmington New Hanover County Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Wilmington to Ontario

Compare and see reviews for airlines that fly from Wilmington to Ontario with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $308Free CancellationRating
7.9
7,977 reviews
Search Delta flights
American AirlinesPriceFrom $333Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Wilmington to Ontario for you.

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

momondo does allow users to show only those flights to Ontario from Wilmington which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Wilmington to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Wilmington and alert you when they change.

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