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$159+ 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — ONT
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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Cheap 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$309
(Delta)

One-way from

$159
(Delta)

Popular in

May

Cheapest in

January

Average price

$375
Provider with most accurate pricing for Wilmington New Hanover County-Ontario flight deals.
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Provider most trusted by Cheapflights users for Wilmington New Hanover County-Ontario flights.
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From Wilmington New Hanover County to Ontario
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One-way flight from Wilmington New Hanover County to Ontario
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Highest demand for flights based on searches. 18% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Wilmington to Ontario

Cheapest flights from Wilmington to Ontario
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 January 30, 2025.

This Delta deal was found by Cheapflights users on 1/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/84:00 pmILM - ONT
1 stop9h 52mDelta
Sat 3/1512:46 pmONT - ILM
1 stop6h 53mDelta
Deal found 1/30$309
This American Airlines deal was found by Cheapflights users on 1/30. 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.
Thu 2/205:16 pmILM - ONT
1 stop9h 37mAmerican Airlines
Sun 2/2311:59 pmONT - ILM
2 stops9h 03mAmerican Airlines
Deal found 1/30$314
This United Airlines deal was found by Cheapflights users on 1/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/283:15 pmILM - ONT
2 stops24h 19mUnited Airlines
Tue 6/106:41 pmONT - ILM
2 stops16h 44mUnited Airlines
Deal found 1/30$646
This Alaska Airlines deal was found by Cheapflights users on 1/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/111:16 amILM - ONT
2 stops26h 46mAlaska Airlines
Fri 3/75:44 pmONT - ILM
3 stops24h 17mAlaska Airlines
Deal found 1/30$875

Find flights from Wilmington to Ontario within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 3/8

4:00 pm-10:52 pm

1 stop9h 52m

Ontario

Sat 3/15

12:46 pm-10:39 pm

1 stop6h 53m

$309

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Thu 2/20

5:16 pm-11:53 pm

1 stop9h 37m

Ontario

Sun 2/23

11:59 pm-12:02 pm

2 stops9h 03m

$314

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Wed 5/28

3:15 pm-12:34 pm

2 stops24h 19m

Ontario

Tue 6/10

6:41 pm-2:25 pm

2 stops16h 44m

$646

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Sat 3/1

11:16 am-11:02 am

2 stops26h 46m

Ontario

Fri 3/7

5:44 pm-9:01 pm

3 stops24h 17m

$875

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Wed 2/12

4:00 pm-10:52 pm

1 stop9h 52m

$159

WilmingtonOntario

ILM - ONT

ILMONT

Wilmington New Hanover County

Wed 6/4

6:00 am-5:25 pm

2 stops14h 25m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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.

Travel insights for flights from Wilmington to Ontario

Get recent, data-driven insights about flights from Wilmington to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Wilmington to Ontario?

Currently, August is the cheapest month in which you can book a flight from Wilmington to Ontario (average of $246). Flying from Wilmington to Ontario in March is currently the most expensive (average of $310). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 January 30, 2025.
Alaska Airlines
8.0
Very good
9,688 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,688 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,454 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,913 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,688 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.1

Entertainment

7.1

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

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.

  • What are the cheapest airlines flying from Wilmington to Ontario round-trip?

    Cheapflights users have booked flights from Wilmington to Ontario round-trip from $309. Other airlines that can offer you cheap pricing are American Airlines, from $314, and United Airlines, from $646. Delta is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Wilmington to Ontario that include hotel bookings?

    Yes. In addition to deals on Wilmington to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Wilmington to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to Ontario.

  • Can I find deals for business class flights from Wilmington to Ontario?

    Yes. Cheapflights offers flight deals from Wilmington to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Wilmington to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Wilmington to Ontario (average of $246). Flying from Wilmington to Ontario in March is currently the most expensive (average of $310). 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.

See more FAQs

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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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$308Average$468FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$332Average$479FlexibilityNo cancel feeOn-time71%
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