Title: $28 Cheap Flights to Piasa, IL - Expedia.com ![Default HTG hotel image](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.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) # $28 Cheap Flights to Piasa, IL [View $28 flight on Sat, Apr 25, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:DEN,to:STL,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:27.98&airProductToken=AQowCi4IxnISBDMzMDIYg2kg8lwoyKmLAzDMqosDOEVAAFgBagRQQ18xcgdLMjFTWFMyEgoIARABGAEqAkY5GAEiBAgBEAEoAigDMA0) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travelers 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 [Piasa Travel Guide](https://expedia.com/Piasa.dx3000346512)[Hotels in Piasa](https://expedia.com/Piasa-Hotels.d3000346512.Travel-Guide-Hotels)[Car Rentals in Piasa](https://expedia.com/Car-Rentals-In-Piasa.d3000346512.Car-Rental-Guide)[Piasa Vacation Packages](https://expedia.com/Piasa.d3000346512.Destination-Travel-Guides) ## Popular airlines to Piasa - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&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.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&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_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:Piasa, Illinois, United States of America,departure:3/1/2026TANYT&leg2=from:Piasa, Illinois, United States of America,to:CMH,departure:3/8/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## How much is the cheapest flight to Piasa? Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Sat, Apr 18 - Sat, Apr 25 DEN Denver STL St. Louis $56 Roundtrip found 9 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:STL,departure:4/18/2026TANYT&leg2=from:STL,to:DEN,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:55.96&airProductToken=AQowCi4IxnISBDMzMDIYg2kg8lwo6NqKAzDs24oDOEVAAFgBagRQQ18xcgdLMjFTWFMyCjAKLgjGchIENDU2NxjyXCCDaSiIq4sDMKGsiwM4RUAAWAFqBFBDXzFyB0syMVNYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sat, May 16 - Sat, May 23 DEN Denver STL St. Louis $129 Roundtrip found 3 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:STL,departure:5/16/2026TANYT&leg2=from:STL,to:DEN,departure:5/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:128.80&airProductToken=AQo4CjYI1YIBEgQxMjkzGINpIPJcKMaWjQMwx5eNAzhOQABYAWoKMV9iYXNpY2Vjb3IIR0FGMkpLQlMKNwo1CNWCARIDMzYyGPJcIINpKILfjQMwkOCNAzhOQABYAWoKMV9iYXNpY2Vjb3IIR0FGMkpLQlMSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) ![Southwest Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/wn.gif) Mon, Apr 20 - Sat, Apr 25 DEN Denver STL St. Louis $176 Roundtrip found 1 hour ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:DEN,to:STL,departure:4/20/2026TANYT&leg2=from:STL,to:DEN,departure:4/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:175.80&airProductToken=AQowCi4I15wBEgQyMDk2GINpIPJcKOTsigMw4e2KAzhBQABYAWoDV0dBcgdBWk5WSDJFCjAKLgjXnAESBDE2ODgY8lwgg2ko-qmLAzCGq4sDOERAAFgBagNXR0FyB0RKTldUMkUSCggBEAEYASoCV04YASIECAEQASgCKAMoBDAB) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Sat, Aug 29 - Sun, Aug 30 SEA Seattle STL St. Louis $189 Roundtrip just found [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:8/29/2026TANYT&leg2=from:STL,to:SEA,departure:8/30/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:188.80&airProductToken=AQoyCjAIwaYBEgMzODgYkgEg8lwohLCWAzDusZYDOFhAAFgBagVTQVZFUnIIT0gyRUFWQk4KMgowCMGmARIDMjkxGPJcIJIBKMC_lgMwzcGWAzhYQABYAWoFU0FWRVJyCE9IMkVBVkJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwDQ) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, Mar 18 - Wed, Mar 25 SEA Seattle STL St. Louis $209 Roundtrip found 2 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SEA,to:STL,departure:3/18/2026TANYT&leg2=from:STL,to:SEA,departure:3/25/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:208.40&airProductToken=AQpmCjEIwYIBEgQxMTA2GJIBIK4cKIv3hwMwi_mHAzhCQABYAWoFQkFTSUNyCFFWQVpaTkJWCjEIwYIBEgQ0NDYwGK4cIPJcKMT5hwMwn_qHAzhCQAFYAWoFQkFTSUNyCFFWQVpaTkJWCmcKMgjBggESBDIyNjEY8lwgo7EBKKTHiAMwpciIAzhCQABYAWoFQkFTSUNyCFFWQVpaTkJWCjEIwYIBEgM3NjcYo7EBIJIBKODIiAMw78qIAzhCQAFYAWoFQkFTSUNyCFFWQVpaTkJWEgwIARABGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) ## Alternative airports near Piasa Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:3/1/2026TANYT&leg2=from:STL,to:CMH,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) STL Lambert-St. Louis Intl. CheapestClosest 56 min [Flights from $191 ](https://www.expedia.com/Flights-Search?leg1=from:CMH,to:STL,departure:3/1/2026TANYT&leg2=from:STL,to:CMH,departure:3/10/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL) ### October is typically the cheapest month to fly From $137 - $448 per traveler. ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=FTG_SPRING_PROMO_) ## Tips to find the cheapest flights to Piasa **The cheapest day to fly** Get started finding a cheap flight to Piasa on Expedia by either choosing a deal on this page or entering into the search bar your travel dates, origin airport, and whether you want roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you. **The cheapest month to fly** April is the cheapest month to fly to Piasa. This coincides with the low season when fewer people travel. Whichever month you travel in, though, be sure to book at least a month in advance if you want to score cheap tickets to Piasa. ARC's data shows that domestic flights booked 28 days or more before departure are typically 24% cheaper than those booked last minute. **The most affordable time to book a flight** Typically, a Sunday can be the cheapest time to book a flight to Piasa, according to ARC’s data. On average, you could save between 6% and 13% by booking on a Sunday instead of a Friday, which is the most expensive day to make a reservation. **The cheapest round-trip tickets to Piasa** The lowest price for round-trip flights to Piasa in 2026 starts from from $56, while one-way tickets start from from $28\. Expedia's effective search tool is one of the best ways to find a budget airfare. Simply enter your dates, and within seconds, it'll show you a vast selection of the cheapest flights to Piasa. If you have a preferred departure time or airline, you can use the handy filters to customize your search. **The cheapest airlines flying to Piasa** Frontier Airlines, United, American Airlines, Delta, Southwest Airlines, Alaska Airlines are just some of the airlines that can typically offer cheap tickets to Piasa. You can find their most affordable flights by using the “airline” search filter and then sorting prices from low to high. As a trusted partner of the world's leading airlines, Expedia offers you some of the best airfare deals to Piasa and countless more destinations worldwide. **The most affordable airports to fly into** To view the cheapest airports to fly into for Piasa, simply order your search results from lowest to highest price. Expedia's search tool compares flight prices for all airports close to your destination, so you don't have to manually search them one by one to find the cheapest flight to Piasa. If you have a preferred place to fly into, take advantage of the “arrival airport” filter to narrow down your search on Expedia. **Save with a package** With Expedia's amazing [package deals](https://www.expedia.com/package-deals), you could save hundreds of dollars by booking your Piasa plane tickets together with your accommodations, car rental, or activities. Just select the search wizard's “package” option to view some of the cheapest deals. Look out for the green savings label to see how much you're saving. **Date flexibility for the cheapest flights to Piasa** If you can be flexible with your travel dates, it's a good idea to broaden your search by comparing prices on different days. This will open up more options, meaning you could uncover a less expensive flight to Piasa. **Stopover savings** The cheapest tickets to Piasa are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Piasa. While the overall travel time might be longer than a non-stop flight, you may decide it's worth it for the money saved. **Get Expedia's Price Drop Protection** Price Drop Protection means that if your flight gets cheaper after booking, you'll be credited the difference\*. This gives you peace of mind that you're getting one of the cheapest flights to Piasa for your chosen departure. Expedia's Price Drop Protection is available for a small fee but is free to One Key Gold and Platinum tier members. \*Terms apply. **Use our Price Tracking feature** Expedia's Price Tracking feature is another great tool that removes the guesswork from finding cheap flights to Piasa. Simply download the free Expedia app to your smart device and activate Piasa flight price alerts for your travel dates. There's even a price predictor tool that uses historical data to indicate the best time to book, giving you peace of mind that you'll nab the lowest prices. **Book with Expedia** As well as Price Drop Protection and Price Tracking, Expedia's close partnership with a vast selection of the world's leading airlines means you're sure to find cheap flights to Piasa. Plus, the One Key rewards program lets you earn real cash rewards on most bookings that you can use to save money on future trips. Best of all, it's free to join, and members often unlock exclusive discounts, too. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages. ## Frequently asked questions ### Where can I learn more about changing or canceling my flight to Piasa? ### How do I find cheap flights to Piasa that have flexible change policies? ### What is the name of Piasa's airport? ### How far is STL from central Piasa? ### What airport is best to fly into Piasa? ### How many airlines fly to Piasa? ### How many nonstop flights are there to Piasa? ### Where are the most popular flights to Piasa departing from? ### How long is the flight to Piasa Airport? ### How to book the cheapest flight to Piasa? ### How to survive the flight to Piasa? > - The trick to having a stress-free flight experience is to pack in advance. Start with the essentials: passport, travel docs, cash and daily medications. Next, bring items that'll help keep you busy, like your laptop or a good book. It's also smart to bring your chargers, a neck pillow and a pair of headphones. Finally, don't forget to pop in toiletry items like a toothbrush, facial wipes and a fresh change of clothes. > > > Do not pack the following items in your hand luggage: > > > - Make sure you don't have a Swiss Army knife hiding in your hand luggage. Other prohibited items include flammable or explosive goods, such as fuel and fireworks, and liquids and gels in containers with a volume of more than 3.4 ounces (100 milliliters). > > > What to wear on a flight: > > > - The key to a comfortable flight can be as simple as your choice of clothing. Prepare for temperature changes by layering up. That way you'll stay nice and warm if the cabin begins to cool down. Shoes like stilettos, flip flops and lace-up boots are best left in your checked suitcase. Instead, go for flat, closed-toed footwear like slip-ons. Your feet will thank you later. > - The result of lengthy periods of inactivity, deep vein thrombosis (DVT) is a blood clotting condition that can affect some passengers during long-haul flights. But the great news is there are numerous ways to reduce the risk of developing it. Stay well hydrated, wander around the cabin as much as possible and wear compression tights or socks. ### How to get through airport security fast when flying to Piasa? > - Have your passport and boarding pass within easy reach. They're the first items you'll be asked for by airport security. > - Your jacket, belt, keys and other items in your pocket, like coins, will need to go on a tray through the X-ray machine. Make your life easier by removing them as it gets closer to your turn. > - All your electronics, including your phone and tablet, are also required to be separately scanned. > - Any gels or liquids, such as shampoo or hairspray, that you want to take on board need to be in containers no larger than 3.4 ounces (100 milliliters). Also, everything must fit inside a quart-size (one liter), clear zip-lock bag. > - Choosing your footwear wisely can save you valuable minutes. Boots and heavy shoes are often required to be removed and X-rayed separately. Slip-on shoes usually aren't. > - Sharp or pointed items are prohibited in the cabin. They'll be seized at security, so pack them safely away in your checked baggage. \*Flight schedules are subject to change. __Flights to Piasa information__ | Destination airport | Lambert-St. Louis Intl. | | ----------------------------- | ----------------------- | | Destination airport IATA code | STL | | Destination city name | St. Louis | | Roundtrip price | $56 | ## Trending flights to Piasa Prices were available within the past 7 days and start at $28 for one-way flights and $56 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Frontier Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F9.gif) Wed, Mar 4 - Wed, Mar 4 ATL Atlanta STL St. Louis $56 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:ATL,to:STL,departure:3/4/2026TANYT&leg2=from:STL,to:ATL,departure:3/4/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:55.96&airProductToken=AQowCi4IxnISBDQ0NzMY4Fwg8lwotNuGAzCj3IYDOEVAAFgBagRQQ18xcgdLMTRYWFMyCjAKLgjGchIENDQ3NBjyXCDgXCjJ4oYDMK3jhgM4RUAAWAFqBFBDXzFyB0sxNFhYUzISCggBEAEYASoCRjkYASIECAEQASgCKAMwDQ) \*Available to One Key members.