Title: Cheap Flights to Si Thep - Expedia.ca ![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) # Cheap Flights to Si Thep - [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 [Hotels in Si Thep](https://expedia.ca/Si-Thep-Hotels.d3000701118.Travel-Guide-Hotels)[Si Thep Car Rentals](https://expedia.ca/Car-Rentals-In-Si-Thep.d3000701118.Car-Rental-Guide)[Si Thep Vacation Packages](https://expedia.ca/Si-Thep.d3000701118.Destination-Travel-Guides) ## Popular airlines to Si Thep - ![](https://a.travel-assets.com/air/airlines/fd_sq.svg) Thai AirAsia [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Si Thep, Phetchabun Province, Thailand,departure:27/02/2026TANYT&leg2=from:Si Thep, Phetchabun Province, Thailand,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FD"}}]) - ![](https://a.travel-assets.com/air/airlines/sl_sq.svg) Thai Lion Mantari [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Si Thep, Phetchabun Province, Thailand,departure:27/02/2026TANYT&leg2=from:Si Thep, Phetchabun Province, Thailand,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DD.svg) Nok Air [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Si Thep, Phetchabun Province, Thailand,departure:27/02/2026TANYT&leg2=from:Si Thep, Phetchabun Province, Thailand,to:CMH,departure:06/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DD"}}]) - ![](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 rewards [Sign in](https://www.expedia.ca/login) ![](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.ca/deals?rfrr=FTG_SPRING_PROMO_) Expedia.ca gives you the best tools to secure great deals on flights to Si Thep. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Si Thep. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Si Thep. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Si Thep flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Si Thep. Looking to save even more? Get additional savings by bundling your Si Thep flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Si Thep trip! ## Frequently asked questions ### What is the name of Si Thep's airport? ### How many airlines fly to Si Thep? ### Which airlines fly to Si Thep? ### How many nonstop flights are there to Si Thep? ### Where are the most popular flights to Si Thep departing from? ### How long is the flight to Si Thep Airport? ### How to book the cheapest flight to Si Thep? ### How to survive the flight to Si Thep? > - Traveling on a plane can be a stress-free experience if you take the right stuff. Firstly, you'll want some toiletry items, such as a toothbrush and some deodorant, a spare pair of socks and a good book. Secondly, leave space in your hand luggage for your electronic gadgets, chargers, any vital medications and maybe a blow-up neck pillow as well. Lastly, and most importantly, be sure to take your passport, travel papers and some money. > > > Do not pack the following items in your hand luggage: > > > - Leave all your full-sized bottles of shampoo and hair gel in your checked luggage. Any gels or liquids in your carry-on bag larger than 3.4 ounces (100 milliliters) will be confiscated by security. Sharp objects, like a pocket knife, and dangerous goods which are flammable or explosive, such as spray paint, flares and gasoline, are also not allowed. > > > What to wear on a flight: > > > - Comfort really should be your prime concern when picking what to wear on your flight. Consider your choice of footwear carefully too, as swollen ankles and feet are a common side effect of flying. Shoes which are flat and slightly roomy are always a smart option. > - A serious condition called deep vein thrombosis (DVT) is a risk on long-haul flights. It results from blood clots forming due to poor circulation and inactivity. Doing regular leg and foot exercises in your seat helps to prevent this from occurring. Wearing a good-quality pair of compression socks is also recommended. ### How to get through airport security fast when flying to Si Thep? > - Your travel documents and ID will need to be shown to airport security personnel. Keep them at hand to avoid fumbling around for them. > - Your jacket, belt, keys and other contents of your pockets, like your earphones, will need to go on a tray through the X-ray machine. Make your life easier by removing them as your turn draws near. > - Your electronic devices like phones and laptops will also have to go through the machine to be scanned. Don't worry though, you'll be back online in no time. > - Any gels or liquids, such as shampoo or hairspray, that you want to bring on board must be no larger than 3.4 ounces (100 milliliters). Also, they all must fit inside a quart-size (one liter), clear zip-close bag. > - The right choice of footwear can save you several precious minutes. Hiking boots are often required to be removed and separately scanned. Slip-on shoes are usually not. > - Sharp or pointed items are not allowed in the cabin. They'll be seized at security, so pack them in your checked luggage. \*Available to Expedia members.