Title: Cheap Flights from Duluth (DLH) to Ontario (ONT) - Expedia.ca ![Ontario showing night scenes and street scenes](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) Photo by Ontario Convention & Visitors Bureau / Jon Edwards. ![](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Duluth (DLH) to Ontario (ONT) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Duluth, MN (DLH-Duluth Intl.) to Los Angeles - Ontario Intl. Airport (ONT) - ![Delta](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:dlh,to:ont,departure:04/11/2025TANYT&leg2=from:ont,to:dlh,departure:11/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![United](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:dlh,to:ont,departure:04/11/2025TANYT&leg2=from:ont,to:dlh,departure:11/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](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 DLH to Ontario Airport? > Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between Duluth Intl. Airport (DLH) and Ontario Airport start from . Make your booking ASAP to get the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Duluth Intl. Airport to ONT? > The majority of flights can be cancelled online, but every air carrier has its own terms and conditions. If you do decide to cancel your flight, go to our [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Duluth Intl. Airport (DLH) to ONT that have flexible change policies? > Use our "No change fees" filter to find flexible ticketing options for your flight from DLH to Los Angeles - Ontario Intl. Airport (ONT). This allows you to lock in a low rate ahead of time and still have the freedom to reschedule without any extra fees. If the new flight costs more, you'll just cover the difference. ### How far is the flight from Duluth Intl. Airport (DLH) to Los Angeles - Ontario Intl. Airport (ONT)? > The flight distance from Duluth to Ontario is 2,600 kilometres. Bring along a drink, a few snacks and an interesting book to read. Keep yourself entertained and the time will fly by. ### Which airlines fly direct from Duluth Intl. Airport to ONT? > You won't find any airlines operating directly between Duluth Intl. Airport and Los Angeles - Ontario Intl. Airport (ONT), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip! ### Are Duluth Intl. Airport (DLH) to ONT flight tickets cheaper when they're purchased at the last minute? > Booking your trip from Duluth Intl. Airport to ONT at the last minute could be your ticket to an awesome deal. However, you might miss out on a flight altogether! If you'd prefer not to take any chances, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated all the time on Expedia. ## Travel information | Origin airport | Duluth Intl. | | --- | --- | | Destination airport | Los Angeles - Ontario Intl. | | Distance | 2543 km | ## Book with confidence ### Duluth to Los Angeles Flights **The easy way to book your flights from Duluth to Ontario**  With Expedia, it’s simple to find and book flights to Ontario from Duluth whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Duluth to Ontario today, tomorrow, or this week.   **Save dollars with cheap flights from Duluth Intl., DLH to Los Angeles - Ontario Intl., ONT**  Sort your search results by price to find great deals on your flight from Duluth to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Duluth currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Ontario   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Ontario from Duluth**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today. ## Explore a world of travel with Expedia - Flights - [Flights from Bamfield to Ontario](https://www.expedia.ca/lp/flights/10552/2680/bamfield-to-ontario) - [Flights from Revelstoke to Ontario](https://www.expedia.ca/lp/flights/10607/2680/revelstoke-to-ontario) - [Flights from Dutch Harbor to Ontario](https://www.expedia.ca/lp/flights/1075/2680/dutch-harbor-to-ontario) - [Flights from Devils Lake to Ontario](https://www.expedia.ca/lp/flights/1076/2680/devils-lake-to-ontario) - [Flights from Heraklion to Ontario](https://www.expedia.ca/lp/flights/1444/2680/heraklion-to-ontario) - [Flights from Harbin to Ontario](https://www.expedia.ca/lp/flights/1510/2680/harbin-to-ontario) - [Flights from Hilo to Ontario](https://www.expedia.ca/lp/flights/1643/2680/hilo-to-ontario) - [Flights from Jamestown to Ontario](https://www.expedia.ca/lp/flights/1709/2680/jamestown-to-ontario) - [Flights from Athens to Ontario](https://www.expedia.ca/lp/flights/178231/2680/athens-to-ontario) - 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