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$40 Cheap Flights to Troy, IL

View $40 flight on Sat, Oct 17, 2026Opens in a new window

Popular airlines to Troy

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Today's featured flight deals to Troy

NonstopCarry-on includedLower price than typical

How much is the cheapest flight to Troy?

Prices were available within the past 7 days and start at $40 for one-way flights and $80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
United
Southwest Airlines
American Airlines
Delta

Alternative airports near Troy

Prices were available within the past 7 days. Prices and availability are subject to change.

Find the cheapest month to fly from Columbus (CMH) to St. Louis (STL)

From $148 - $387 per traveler.

What you need to know for your flight to Troy

Flights to Troy at a glance

Traveling to Troy is easy—simply select between full-service and budget airlines, compare travel times, and choose the option that best fits your budget and schedule, all while planning to discover the city’s renowned attractions and neighborhoods.

  • Major airport near Troy: Lambert-St. Louis International Airport (STL)
  • Flights per week: 3,150+ flights arriving at Troy airport
  • Number of airlines that fly to Troy: around 40+ carriers

Popular airport near Troy

Troy is a welcoming city perfect for family-friendly outdoor adventures and entertainment-focused vacations. Travelers are drawn to Troy for its scenic beauty and vibrant urban atmosphere, as well as business opportunities. A major airport conveniently serves this charming destination.

  • Lambert-St. Louis International Airport (STL): Situated in St. Louis County, Missouri, approximately 24 miles from Troy, this airport caters to both domestic and international flights. It provides connections to around 210 domestic cities and 110 international destinations. Passengers can opt for first class, premium economy, or business class seating for enhanced comfort, depending on their chosen routes and airlines. Notable carriers operating at this airport include Southwest Airlines, American Airlines, and Delta.

Top routes to Troy

  • New York (JFK/LGA) to Troy (STL), with one-way flights starting at around $90
  • Las Vegas (LAS) to Troy (STL), with one-way airfare from around $60
  • Orlando (MCO) to Troy (STL), with one-way tickets available from around $45
  • Denver (DEN) to Troy (STL), with one-way flights starting at around $45
  • Los Angeles (LAX) to Troy (STL), with one-way airfare from around $120

Cheapest routes to Troy

  • Chicago (ORD/MDW) to Troy (STL), with affordable one-way prices from around $40
  • Kansas City (MCI) to Troy (STL), with low-cost one-way tickets from around $40
  • Quincy (UIN) to Troy (STL), with cheap one-way fares from around $40
  • Orlando (MCO) to Troy (STL), with low-cost one-way tickets from around $45
  • Denver (DEN) to Troy (STL), with affordable one-way prices from around $45

*Flight times and fares vary by season and availability and are based on one-way routes

Top airlines with flights to Troy

  • American Airlines: Operating to Lambert-St. Louis International Airport (STL), this airline comprises about 28% of arrivals in Troy. Average one-way fares hover around $330, with premium service options that may include first class depending on the route.
  • Southwest Airlines: Also servicing Lambert-St. Louis International Airport (STL), Southwest Airlines represents roughly 27% of arrivals to Troy. Travelers can anticipate an average one-way fare of about $240.
  • Delta: Providing flights to Lambert-St. Louis International Airport (STL), Delta accounts for roughly 20% of arrivals in Troy. The average one-way fare is around $290, with premium service options including premium economy and first class, depending on the route.
  • United: Flying into Lambert-St. Louis International Airport (STL), United Airlines makes up about 15% of arrivals to Troy. The average one-way fare stands at approximately $320, with potential premium cabin options that may feature first class depending on the route.
  • Frontier Airlines: Servicing Lambert-St. Louis International Airport (STL), Frontier Airlines contributes about 5% of arrivals to Troy. It is known for its budget-friendly approach, with average one-way fares around $150.

How to save money on a flight to Troy

Getting some of the best deals on flights to Troy is all about timing and flexibility. Here are some key tips to help you save:

  1. Compare flight options—use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  2. Set up price alerts—as an Expedia member you can use Price Tracking to receive notifications when flight prices change.
  3. Bundle and save—book a flight and unlock a hotel deal on Expedia*, or explore our Troy hotel and flight deals.
  4. Think about luggage-nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your baggage allowance before confirming your booking to avoid excess baggage fees at the airport.
  5. Earn miles—you can earn airline miles when you book your Troy flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Troy

Troy welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Troy efficiently:

  • Public transportation: From Lambert-St. Louis International Airport, Lambert Main Terminal Station, a metro station, is conveniently located just 0.1 miles from the airport, making it easily accessible for travelers.
  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Troy, with private rides that can be arranged in advance.
  • Car rental: Renting a car in Troy is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Troy on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.

Where to stay around Troy

  • Edwardsville: Located 6 miles away from Troy, Edwardsville is a vibrant city perfect for outdoor enthusiasts and families. Visitors can enjoy the scenic beauty of The Gardens at SIUE, ideal for romantic strolls, or explore the Edwardsville Watershed Nature Center, which highlights eco-friendly practices. The Gateway Conference Center serves as a hub for business travelers, while the local sports facility stadium and recreational areas offer various activities for all ages. Whether you're seeking relaxation or adventure, Edwardsville has something for everyone.
  • O'Fallon: O'Fallon is located 9 miles away from Troy and offers a blend of family-friendly activities and urban charm. Visitors can catch a show at the local theater or engage in sports at the nearby stadium. The Gateway Arch, a striking monument, provides cultural insights, while McKendree University showcases modern educational facilities. Parks throughout the city invite outdoor exploration, making it an excellent choice for those looking to balance city experiences with nature. O'Fallon caters to a variety of interests, ensuring an enjoyable visit.
  • Pontoon Beach: Located 9 miles away from Troy, Pontoon Beach is a welcoming village that caters to families and outdoor lovers alike. The area boasts thrilling motor racing events and recreational zones perfect for relaxation and play. Visitors can explore the urban park or enjoy events at the stadium. The iconic Gateway Arch and America's Center Convention Complex provide cultural and business opportunities, while the City Museum offers a fascinating glimpse into local history. Pontoon Beach is an ideal spot for those seeking a lively yet laid-back atmosphere.

Tips for short-haul flights to Troy

For quick getaways, efficiency is key. Here is how to make your short-haul journey smoother:

  • Pack light and skip checked bags—when flying with budget airlines, traveling with just a carry-on is often more affordable. Maximize space by using mini toiletries, wearing your bulkiest clothing, and planning versatile outfits. This approach also helps you avoid the hassle of waiting at baggage claim upon arrival.
  • Bring your own entertainment—many short-haul flights may lack in-flight entertainment options. Download TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself entertained. Remember to fully charge your devices before you board.
  • Arrive at the airport in plenty of time—even for short or domestic flights, it's advisable to get to the airport at least 1.5 to 2 hours prior to departure, taking into account potential traffic and security lines.
  • Bring your own snacks and water—pack some snacks and a refillable water bottle to stay hydrated and save money at the airport.

Tips for long-haul flights to Troy

Flying long-haul sometimes requires extra planning to ensure a comfortable journey:

  • Select your seat in advance—for longer flights, choosing your seat is essential for comfort. Full-service airlines often provide free seat selection once online check-in begins, typically 24–48 hours prior to your flight. Some airlines may allow seat selection even earlier.
  • Arrive at the airport in plenty of time—aim to arrive at least 3 hours before your departure for international flights to accommodate check-in, security, and immigration procedures.
  • Relax at the airport—if you have extra time, take the opportunity to explore the shops, grab a coffee, or unwind at the gate or in a departure lounge if you have access. Airport Wi-Fi is generally free and available.
  • Adjust to the new time zone mid-flight—begin syncing your body clock by changing your watch and adjusting your sleep schedule to align with your destination's time zone. Try to sleep or stay awake during the flight according to the local time at your arrival destination to help minimize jet lag.

Frequently asked questions

What month is the cheapest to fly to Troy?
Schedule your trip for September if you're looking for a good price on your fare. It's the cheapest month to fly to Troy. Try to avoid traveling during busy periods such as public holidays or school breaks.
Which US cities have the cheapest flights to Troy?
Usually, Chicago, Dallas and Denver have cheap flights to Troy. However, being flexible is key to scoring a bargain. Plan your getaway midweek or during the low season to keep costs as low as possible.
Which US cities fly direct to Troy?
You can fly to Troy without a stopover from 55 US cities. To find a nonstop journey, check "Direct flights only" when browsing for flights to Troy on Expedia. Then, explore your options and find the best departure out of any of these cities:
  • Chicago
  • Dallas
  • Denver
  • New York
  • Atlanta
How to find a cheap flight to Troy?
Book well in advance or search for cheap flights to Troy during the low season, such as December and January. Flying off on a Thursday can also save you 16% on average compared to a Sunday departure.* The Expedia app makes it even easier to know when to book. Just turn on the toggle for "Watch prices" and you'll receive a notification when fares go down.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
How to get a cheap last-minute flight to Troy?
Although booking in advance is usually the best way to save money, don't worry if your Troy vacation is last minute. It's still possible to find cheap flights to Troy, especially if your plans have some flexibility. Try switching up your trip dates, exploring different ticket options or jetting out of an alternative hub.
How far in advance should I book a flight to Troy?
To pick up the best deals on domestic journeys, book your flight to Troy 28 days ahead of your travel dates. For international flights, search for your ticket between two and four months in advance. This gives you a better chance of locking in your preferred departure times and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which day of the week is the cheapest day to buy a plane ticket to Troy?
Sundays are usually the best day to book a cheap flight to Troy, with savings of about 8% on average compared to a Friday. If you choose to purchase on a Friday, expect to spend more as this is typically the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.
Which airlines fly to Troy?
Troy is connected to 33 airports globally through 10 airlines, with Lambert-St. Louis Intl. Airport (STL) as its chief gateway. Take your pick of these major airlines to Troy when planning your trip:
  • Delta Air Lines
  • American Airlines
  • United Airlines
  • Southern Airways Express
Where do you fly into Troy?
The main airport when you fly to Troy is Lambert-St. Louis Intl. Airport (STL), but there are some great nearby alternatives like MidAmerica-St. Louis Airport (BLV) and St. Louis Downtown Airport (CPS). You can also arrive at Spirit of St. Louis Airport (SUS) and Vandalia, IL (VLA-Vandalia Municipal) when flying to Troy.
How far is the airport from central Troy?
Arriving at Lambert-St. Louis Intl. Airport (STL) puts you around 25 mi west of the center of Troy.
Can I save money by booking a Troy trip package?
Bundle your accommodations and flights and you could save hundreds of dollars. Better still, you can add extras like car rentals and tours to your Troy flight and hotel package deal. With Expedia, it's easy to organize all your Troy travel plans in the same place.
Can I change or cancel my flight to Troy?
It's usually possible to change or cancel your flight to Troy. Many airlines let you cancel flights for free within 24 hours of making your booking. However, some flights are non-refundable, and airlines may offer you credit for future travel rather than a direct refund. To reserve cheap flights to Troy with flexible change policies, check "No cancel fee" or "Changes included" during your search. Need more information? Check out our Customer Service Portal.

*Flight schedules are subject to change.

*Available to One Key members.

Book with confidence

Tips to find the cheapest flights to Troy

The cheapest day to fly

Get started finding a cheap flight to Troy 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

September is the cheapest month to fly to Troy. 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 Troy. 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 Troy, 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 Troy

The lowest price for round-trip flights to Troy in 2026 starts from from $80, while one-way tickets start from from $40. 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 Troy. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Troy

Frontier Airlines, United, Southwest Airlines, American Airlines, Delta are just some of the airlines that can typically offer cheap tickets to Troy. 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 Troy and countless more destinations worldwide.

The most affordable airports to fly into

To view the cheapest airports to fly into for Troy, 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 Troy. 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, you could save hundreds of dollars by booking your Troy 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 Troy

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 Troy.

Stopover savings

The cheapest tickets to Troy are sometimes those with a stopover. Book one of these flights, and you'll change planes at an airport en route to Troy. 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 Troy 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 Troy. Simply download the free Expedia app to your smart device and activate Troy 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 Troy. 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.

Tips to find the cheapest flights to Troy

Travel information

Destination airport
MidAmerica-St. Louis
Destination airport IATA code
BLV
Destination city name
Belleville
Roundtrip price
$78

Trending flights to Troy

Prices were available within the past 7 days and start at $40 for one-way flights and $80 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines

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