$34 Cheap Flights to Smithton, IL

Flights to Smithton at a glance

Traveling to Smithton is easy; you can choose between full-service and budget airlines. Assess various travel times and select the option that aligns best with your financial plan, schedule, and intentions to explore the city's renowned attractions and neighborhoods.

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

Popular airport near Smithton

Smithton is a charming city ideal for outdoor enthusiasts, scenic lovers, and romantic getaways. Travelers flock to Smithton for its outdoor activities, sports, picturesque views, family-friendly options, and business opportunities. The city is conveniently connected by a major airport.

• Lambert-St. Louis International Airport (STL): Situated in St. Louis County, Missouri, approximately 31 miles from Smithton, this airport is a pivotal hub for both domestic and international travel. It connects to about 210 domestic locations and 110 international sites. Travelers can enhance their journey by choosing from first class, premium economy class, or business class service, depending on their selected routes and airlines. Major carriers at this airport include Southwest Airlines, American Airlines, and Delta.

Top routes to Smithton

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

Cheapest routes to Smithton

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

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

Top airlines with flights to Smithton

• American Airlines: Operating flights to Lambert-St. Louis International Airport (STL), this airline represents about 28% of arrivals in Smithton. One-way fares average around $330, and you may find first-class service on select routes.
• Southwest Airlines: Also servicing Lambert-St. Louis International Airport (STL), Southwest makes up approximately 27% of the arrivals to Smithton. The typical one-way fare is around $240, providing a budget-friendly option for travelers.
• Delta: With flights arriving at Lambert-St. Louis International Airport (STL), Delta accounts for roughly 20% of Smithton's arrivals. The average one-way fare is about $290, with premium economy and first-class services available on certain routes.
• United: United operates flights to Lambert-St. Louis International Airport (STL), contributing to approximately 15% of arrivals in Smithton. The average one-way fare is around $320, with first-class service offered on select routes.
• Frontier Airlines: Flying to Lambert-St. Louis International Airport (STL), Frontier Airlines represents about 5% of arrivals to Smithton. This low-cost carrier offers competitive pricing, with average one-way fares around $150.

Best time to fly to Smithton

The most popular months for travelers to fly to Smithton are January, March, and April, when peak temperatures in Smithton can reach up to 55.9°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 70.3°F and typically the lowest average one-way fare (around $222), roughly 9% cheaper than the yearly average. Looking for additional cheaper months to fly? October, May, and August offer average one-way fares of around $230, making them good options for flexible travelers.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to save money on a flight to Smithton

Getting some of the best deals on flights to Smithton 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 Smithton 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 Smithton flight with Expedia. Just select your frequent flyer program and enter your program number when confirming your booking.

*For members. Select hotels.

Arriving in Smithton

Smithton welcomes travelers through its range of transport options based on price, convenience, and proximity. Here's how to reach Smithton 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 Smithton, with private rides that can be arranged in advance.
• Car rental: Renting a car in Smithton is a good option if you plan to explore and sightsee beyond the city. Browse cheap car rentals in Smithton 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 Smithton

• Belleville: Belleville is located 8 miles drive away from Smithton and is a vibrant city perfect for families and outdoor enthusiasts. Visitors can enjoy its urban parks and recreational facilities while also exploring the rich local culture at attractions like the Gateway Arch and the St. Clair County Historical Society. The Enterprise Center provides ample entertainment options, making Belleville a great stop for both relaxation and excitement.
• Shiloh: Shiloh is located 12 miles drive away from Smithton and offers a delightful mix of family-friendly activities and outdoor adventures. With its scenic parks and the Shiloh Dog Park, it's an excellent destination for those looking to enjoy nature. Shoppers will appreciate the local shopping centres, while Southwestern Illinois College adds an educational twist to your visit. Don’t miss the iconic Gateway Arch nearby!
• Mascoutah: Mascoutah is located 13 miles away from Smithton and is a charming city that caters to outdoor lovers and couples seeking romance. Explore the beautiful lakes and recreational areas, or visit McKendree University for a taste of local academia. The Cahokia Mounds State Historic Site offers a glimpse into the area's rich history, making it a culturally enriching stop. For business travelers, the Gateway Conference Center is a convenient venue.

Tips for short-haul flights to Smithton

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, it's often more economical to travel with just a carry-on. Make the most of your space by packing mini toiletries, wearing your heaviest clothing, and planning your outfits efficiently. This approach also allows you to bypass the wait at baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights may not provide in-flight entertainment options. Download TV shows, movies, music, or podcasts ahead of time, and consider bringing a book to keep yourself engaged. 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 arrive at least 1.5 to 2 hours before your 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 while at the airport.

Tips for long-haul flights to Smithton

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 complimentary seat selection once online check-in begins, typically 24–48 hours prior to your flight. Some airlines may allow seat selection even earlier than this.
• Arrive at the airport in plenty of time—aim to arrive at the airport at least 3 hours before departure for international flights to accommodate check-in, security, and immigration procedures.
• Relax at the airport—if you have some 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.

Tips to find the cheapest flights to Smithton

The cheapest day to fly

Get started finding a cheap flight to Smithton 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 Smithton. 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 Smithton. 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 Smithton, 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 Smithton

The lowest price for round-trip flights to Smithton in 2026 starts from $68, while one-way tickets start from from $34. 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 Smithton. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Smithton

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

The most affordable airports to fly into

To view the cheapest airports to fly into for Smithton, 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 Smithton. 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 Smithton 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 Smithton

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 Smithton.

Stopover savings

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