What is the cheapest airline that flies from Wilmington New Hanover County to Ontario?

Delta, American Airlines, and United Airlines are the most popular carriers operating from Wilmington New Hanover County to Ontario

What airlines fly to Ontario?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to Ontario from Wilmington according to our data. American Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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?

As of December 2025, there is 1 operator available to choose from 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.

$307 Cheap Flights from Wilmington to Ontario in 2025/26

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Find the cheapest flights from Wilmington to Los Angeles

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Cheap round-trip flights

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4:30 pm - 9:05 pm

ILM

ONT

7h 35m1 stop

12:41 pm - 11:51 pm

ONT

ILM

8h 10m1 stop

$313Delta

sáb., ene. 17 - vie., ene. 23

6:00 am - 12:03 pm

ILM

ONT

9h 03m2 stops

7:16 am - 5:13 pm

ONT

ILM

6h 57m1 stop

$318American Airlines

sáb., ene. 10 - sáb., ene. 17

10:16 am - 6:20 pm

ILM

ONT

11h 04m2 stops

6:27 am - 7:03 pm

ONT

ILM

9h 36m2 stops

$323American Airlines

sáb., ene. 10 - sáb., ene. 17

6:00 am - 11:31 am

ILM

ONT

8h 31m1 stop

10:30 pm - 9:57 am

ONT

ILM

8h 27m1 stop

$329Delta

mié., ene. 7 - jue., ene. 15

2:32 pm - 9:05 pm

ILM

ONT

9h 33m1 stop

5:07 pm - 9:57 am

ONT

ILM

13h 50m2 stops

$334Delta

vie., ene. 9 - lun., ene. 12

6:00 am - 4:05 pm

ILM

ONT

13h 05m2 stops

11:59 pm - 3:00 pm

ONT

ILM

12h 01m2 stops

$339American Airlines

vie., ene. 9 - dom., ene. 11

6:00 am - 12:02 pm

ILM

ONT

9h 02m1 stop

10:20 pm - 9:28 am

ONT

ILM

8h 08m1 stop

$349Delta

dom., feb. 15 - sáb., feb. 21

4:53 pm - 9:05 pm

ILM

ONT

7h 12m1 stop

10:20 pm - 9:28 am

ONT

ILM

8h 08m1 stop

$354Delta

dom., feb. 15 - lun., feb. 23

3:00 pm - 9:05 pm

ILM

ONT

9h 05m1 stop

5:07 pm - 9:57 am

ONT

ILM

13h 50m2 stops

$359Delta

mié., ene. 7 - mar., ene. 13

11:55 am - 11:31 am

ILM

ONT

26h 36m2 stops

10:30 pm - 9:38 am

ONT

ILM

8h 08m1 stop

$361Delta

lun., ene. 12 - mar., ene. 20

United Airlines flights from Wilmington to Ontario

Our best United Airlines deals on Wilmington to Ontario flight tickets

United Airlines

Jan 7

ILM4:26 pmWilmington New Hanover County

31h 32m

2 stops

ONT8:58 pmOntario

Jan 14

ONT8:00 amOntario

12h 57m

2 stops

ILM11:57 pmWilmington New Hanover County

$506

Find similar

United Airlines

Jan 7

ILM6:00 amWilmington New Hanover County

17h 58m

2 stops

ONT8:58 pmOntario

Jan 10

ONT6:00 amOntario

14h 57m

2 stops

ILM11:57 pmWilmington New Hanover County

$600

Find similar

United Airlines

Jan 21

ILM6:00 amWilmington New Hanover County

14h 43m

2 stops

ONT5:43 pmOntario

Jan 25

ONT6:00 amOntario

14h 57m

2 stops

ILM11:57 pmWilmington New Hanover County

$627

Find similar

Delta flights from Wilmington to Ontario

Our best Delta deals on Wilmington to Ontario flight tickets

Delta

Jan 17

ILM4:30 pmWilmington New Hanover County

7h 35m

1 stop

ONT9:05 pmOntario

Jan 23

ONT12:41 pmOntario

8h 10m

1 stop

ILM11:51 pmWilmington New Hanover County

$313

Find similar

Delta

Jan 7

ILM3:00 pmWilmington New Hanover County

9h 05m

1 stop

ONT9:05 pmOntario

Jan 16

ONT12:41 pmOntario

8h 10m

1 stop

ILM11:51 pmWilmington New Hanover County

$329

Find similar

Delta

Jan 9

ILM2:32 pmWilmington New Hanover County

9h 33m

1 stop

ONT9:05 pmOntario

Jan 12

ONT5:07 pmOntario

13h 50m

2 stops

ILM9:57 amWilmington New Hanover County

$334

Find similar

Fly from

Fly to

Route

Depart

Return

Price

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

sáb. 1/17

4:30 pm-9:05 pm

1 stop7h 35m

Ontario

vie. 1/23

12:41 pm-11:51 pm

1 stop8h 10m

$313

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

sáb. 1/10

6:00 am-12:03 pm

2 stops9h 03m

Ontario

sáb. 1/17

7:16 am-5:13 pm

1 stop6h 57m

$318

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

sáb. 1/10

10:16 am-6:20 pm

2 stops11h 04m

Ontario

sáb. 1/17

6:27 am-7:03 pm

2 stops9h 36m

$323

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

mié. 1/7

6:00 am-11:31 am

1 stop8h 31m

Ontario

jue. 1/15

10:30 pm-9:57 am

1 stop8h 27m

$329

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

vie. 1/9

2:32 pm-9:05 pm

1 stop9h 33m

Ontario

lun. 1/12

5:07 pm-9:57 am

2 stops13h 50m

$334

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

vie. 1/9

6:00 am-4:05 pm

2 stops13h 05m

Ontario

dom. 1/11

11:59 pm-3:00 pm

2 stops12h 01m

$339

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

dom. 2/15

6:00 am-12:02 pm

1 stop9h 02m

Ontario

sáb. 2/21

10:20 pm-9:28 am

1 stop8h 08m

$349

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

dom. 2/15

4:53 pm-9:05 pm

1 stop7h 12m

Ontario

lun. 2/23

10:20 pm-9:28 am

1 stop8h 08m

$354

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

mié. 1/7

3:00 pm-9:05 pm

1 stop9h 05m

Ontario

mar. 1/13

5:07 pm-9:57 am

2 stops13h 50m

$359

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

lun. 1/12

11:55 am-11:31 am

2 stops26h 36m

Ontario

mar. 1/20

10:30 pm-9:38 am

1 stop8h 08m

$361

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

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

Prices

Airlines

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

Fastest flight time	8h 31m
Direct flights	None

The fastest flight from Wilmington to Ontario takes 8h 31m

There are no direct flights from Wilmington to Ontario. There are no popular flight routes from Wilmington to Ontario.

Search flight deals

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 8h 31m, 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?
As of December 2025, there is 1 operator available to choose from 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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Wilmington to Ontario is American Airlines (100% of total bookings).

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
American Airlines	PriceFrom $368	Free Cancellation	Rating 7.2 11,052 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.