Title: Cheap Flights from Ontario (ONT) to Pittsfield (PSF) - Expedia.ca ![Pittsfield showing a city](https://images.trvl-media.com/place/9478/5d9f4527-2b11-4f19-a1cd-36a7128d1304.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/9478/5d9f4527-2b11-4f19-a1cd-36a7128d1304.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Pittsfield (PSF) - [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 Los Angeles - Ontario Intl. Airport (ONT) to Pittsfield, MA (PSF-Pittsfield Municipal) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](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:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![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:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![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:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:ont,to:psf,departure:17/11/2025TANYT&leg2=from:psf,to:ont,departure:24/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![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) Flight from Ontario to Pittsfield (ONT - PSF) route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Pittsfield Municipal | | Distance | 3909 km | ## Los Angeles to Pittsfield Flights **The easy way to book your flights from Ontario to Pittsfield**  With Expedia, it’s simple to find and book flights to Pittsfield from Ontario 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 Pittsfield Municipal, 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 Ontario to Pittsfield today, tomorrow, or this week.   **Save dollars with cheap flights from Los Angeles - Ontario Intl., ONT to Pittsfield Municipal, PSF**  Sort your search results by price to find great deals on your flight from Ontario to Pittsfield—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Pittsfield from Ontario 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 Pittsfield   - 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 Pittsfield from Ontario**  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 Pittsfield with Expedia today. ## Frequently asked questions ### How much is a flight from Ontario Airport to PSF? > Round-trip flights from Los Angeles - Ontario Intl. Airport (ONT) to PSF start from . This is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book today so you don't miss out. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from ONT to PSF? > Most flights can be conveniently cancelled online, but whether or not you are charged a fee differs between airlines. If you do have to cancel your trip, follow the instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Los Angeles - Ontario Intl. Airport (ONT) to PSF that have flexible change policies? > Flights from ONT to PSF with flexible change policies are available from several carriers. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, without any added fees to worry about. ### How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to PSF? > The flight distance between Los Angeles - Ontario Intl. Airport (ONT) and PSF is 3,900 kilometres. Pack yourself a drink, a few snacks and a good book to read. Keep yourself busy in the air and the hours will fly by. ### Which airlines fly direct from Ontario Airport to PSF? > You won't find any airlines operating directly between ONT and PSF, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a welcome way to break up a trip! ### Are Los Angeles - Ontario Intl. Airport (ONT) to PSF flight tickets cheaper when they're purchased at the last minute? > Flight prices always go up and down, so not always. While last-minute flight deals between ONT and PSF are possible, it's also a good idea to keep track of prices well before you fly. In fact, some carriers publish their prices up to 12 months before the departure date. Expedia is constantly updating the biggest bargains around, so keep checking back and be ready to lock in your seat when the price is low. ## Explore a world of travel with Expedia \*Available to Expedia members.