Title: Cheap Flights from St. Louis (STL) to Fullerton (FUL) - Expedia.ca ![Fullerton Police Station (Old City Hall) - Spanish colonial revival classic architecture; Shutterstock ID 19508611](https://images.trvl-media.com/place/7325/78aa1ad3-7324-4148-90e0-7cf13bf572a5.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Fullerton (FUL) - [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 Lambert-St. Louis International Airport (STL) to Fullerton, CA (FUL-Fullerton 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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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:stl,to:ful,departure:17/10/2025TANYT&leg2=from:ful,to:stl,departure:24/10/2025TANYT&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) ## Alternative airports near Fullerton Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:LAX,departure:17/10/2025TANYT&leg2=from:LAX,to:STL,departure:17/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LAX Los Angeles Intl. Cheapest 38 min [Flights from CA $694](https://www.expedia.ca/Flights-Search?leg1=from:STL,to:LAX,departure:17/10/2025TANYT&leg2=from:LAX,to:STL,departure:17/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from St. Louis to Fullerton (STL - FUL) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Fullerton Municipal | | Distance | 2508 km | ## St. Louis to Fullerton Flights **The easy way to book your flights from St. Louis to Fullerton**  With Expedia, it’s simple to find and book flights to Fullerton from St. Louis 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 Fullerton 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 St. Louis to Fullerton today, tomorrow, or this week.   **Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Fullerton Municipal, FUL**  Sort your search results by price to find great deals on your flight from St. Louis to Fullerton—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Fullerton from St. Louis 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 Fullerton   - 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 Fullerton from St. Louis**  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 Fullerton with Expedia today. ## Frequently asked questions ### How much is a flight from STL to FUL? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip journey between Lambert-St. Louis Intl. Airport (STL) and FUL was . Great fares don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to FUL? > We get that your situation can change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from Lambert Field to FUL that have flexible change policies? > Many carriers offer the option to reschedule your flight at no extra charge. All you pay is the cost difference between the two flights. When searching for STL to FUL flights, you'll find a "No change fees" filter for you to select. ### How far is the flight from STL to FUL? > Expect to be soaring through the sky for a while, as the flight distance from STL to FUL is 2,500 kilometres. Create a playlist of your favourite songs before leaving home to stay entertained during your journey. ### Which airlines fly direct from Lambert Field to FUL? > Unfortunately, there aren't any airlines that fly directly between Lambert Field and FUL. You'll need to book a flight with at least one stop. ### Are Lambert Field to FUL flight tickets cheaper when they're purchased at the last minute? > Flight prices from STL to FUL are available up to 12 months before departure on Expedia. And although you may score a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! 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