Title: Cheap Flights from Ontario (ONT) to Wilmington (ILM) - Expedia.ca ![Green Leaves Out Springtime Aerial View Downtown City Center Wilmington North Carolina](https://images.trvl-media.com/place/1587/b95139e2-2f77-4747-a7a4-05396343a96d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1587/b95139e2-2f77-4747-a7a4-05396343a96d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Wilmington (ILM) ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Wilmington Intl. Airport (ILM) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ONT,to:ILM,departure:22/04/2026TANYT&leg2=from:ILM,to:ONT,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:ONT,to:ILM,departure:22/04/2026TANYT&leg2=from:ILM,to:ONT,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:ONT,to:ILM,departure:22/04/2026TANYT&leg2=from:ILM,to:ONT,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ONT,to:ILM,departure:22/04/2026TANYT&leg2=from:ILM,to:ONT,departure:29/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from ONT to Wilmington Intl. Airport? ### Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Wilmington Intl. Airport? ### How do I find cheap flights from Ontario Airport to Wilmington Intl. Airport (ILM) that have flexible change policies? ### How many hours is the flight from ONT to Wilmington Intl. Airport (ILM)? ### How far is the flight from Ontario Airport to Wilmington Intl. Airport (ILM)? ### Which airlines fly direct from Ontario Airport to ILM? ### Are Ontario Airport to Wilmington Intl. Airport (ILM) flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Los Angeles - Ontario Intl. | | ------------------- | --------------------------- | | Destination airport | Wilmington Intl. | | Distance | 3605 km | ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - [Hotels near Bellamy Mansion Museum ](https://www.expedia.ca/Bellamy-Mansion-Museum-Hotels.0-l6087235-0.Travel-Guide-Filter-Hotels) - [Pet-Friendly Hotels in Brooklyn Arts District ](https://www.expedia.ca/Brooklyn-Arts-District-Wilmington-Hotels-Pet-Friendly-Hotel.0-n891420931096850432-0-tPetfriendlyHotel.Travel-Guide-Filter-Hotels) - [Hotels near Cape Fear Community College ](https://www.expedia.ca/Cape-Fear-Community-College-Hotels.0-l553248634001395039-0.Travel-Guide-Filter-Hotels) - [Hotels near Cape Fear Museum ](https://www.expedia.ca/Cape-Fear-Museum-Hotels.0-l6066251-0.Travel-Guide-Filter-Hotels) - [Hotels near City Stage Theatre ](https://www.expedia.ca/City-Stage-Theatre-Hotels.0-l553248621532661224-0.Travel-Guide-Filter-Hotels) - 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