Title: Cheap Flights from Ithaca (ITH) to St. Louis (STL) - Expedia.ca ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178309/1d118261-eb93-42dd-aeef-5f82e1f037e8.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ithaca (ITH) to St. Louis (STL) - [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 Ithaca, NY (ITH-Tompkins Regional) to Lambert-St. Louis International Airport (STL) - ![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:ith,to:stl,departure:25/10/2025TANYT&leg2=from:stl,to:ith,departure:01/11/2025TANYT&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:ith,to:stl,departure:25/10/2025TANYT&leg2=from:stl,to:ith,departure:01/11/2025TANYT&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 Tompkins Regional Airport (ITH) to Lambert-St. Louis Intl. Airport (STL)? > If you're planning on travelling from ITH to Lambert Field, round-trip journeys start from . This price is based on airfares available within the last 7 days on Expedia for flights departing within the next year, so don't wait around. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from ITH to STL? > Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Ithaca Tompkins Intl. Airport to Lambert-St. Louis Intl. Airport (STL) that have flexible change policies? > Plenty of airlines will allow you to reschedule your flight without a change fee. All you pay is the fare difference. When looking for Tompkins Regional Airport (ITH) to Lambert Field flights, you'll find a "No change fees" box for you to tick. ### How many hours is the flight from ITH to STL? > It takes around 4 hours and 27 minutes to fly from ITH to Lambert Field. But with your favourite playlist and a magazine or two, the time will go by quicker. ### How far is the flight from Tompkins Regional Airport (ITH) to Lambert Field? > Forget about a movie marathon on this flight — it's just 1,250 kilometres from Ithaca to St. Louis. Find your way to your seat, get comfortable and you'll be there before you know it. ### Which airlines fly direct from Tompkins Regional Airport (ITH) to STL? > At the moment, no airlines offer flights directly from Ithaca Tompkins Intl. Airport to STL. You'll have to book a flight with at least one stop. To get the best price and connections, lock in your airfare ahead of time. ### Are Ithaca Tompkins Intl. Airport to Lambert Field flight tickets cheaper when they're purchased at the last minute? > Airline tickets from Ithaca Tompkins Intl. Airport to Lambert-St. Louis Intl. Airport (STL) are available up to 12 months before departure on Expedia. And although you may occasionally pick up a great last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We're always updating our fares to bring you the biggest bargains, so check back often for all the latest specials. ## Travel information | Origin airport | Tompkins Regional | | --- | --- | | Destination airport | Lambert-St. Louis Intl. | | Distance | 1236 km | ## Book with confidence ### Ithaca to St. Louis Flights **The easy way to book your flights from Ithaca to St. Louis**  With Expedia, it’s simple to find and book flights to St. Louis from Ithaca 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 Lambert-St. Louis 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 Ithaca to St. Louis today, tomorrow, or this week.   **Save dollars with cheap flights from Tompkins Regional, ITH to Lambert-St. Louis Intl., STL**  Sort your search results by price to find great deals on your flight from Ithaca to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Ithaca 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 St. Louis   - 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 St. Louis from Ithaca**  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. 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