$34 Cheap Flights to Warrenton, MO

Flights to Warrenton at a glance

Traveling to Warrenton is a breeze; you can choose from a variety of airlines, including low-cost options. Compare travel times and select the best choice that fits your budget and itinerary as you plan to visit the city's renowned attractions and neighborhoods.

• Major airports near Warrenton: Lambert-St. Louis International Airport (STL), Columbia Regional Airport (COU)
• Closest (typical) airport to Warrenton: Lambert-St. Louis International Airport, STL (around 43 miles)
• Flights per week: 3,500+ flights arriving across Warrenton airports
• Number of airlines that fly to Warrenton: around 40+ carriers

Popular airports near Warrenton

Warrenton is a charming city perfect for outdoor enthusiasts, romantic getaways, and family vacations. Visitors flock to Warrenton for its stunning scenery, rich culture, and various recreational activities. The city is conveniently accessible via two major airports, making travel planning a breeze.

• Lambert-St. Louis International Airport (STL): Situated in St. Louis County, Missouri, approximately 43 miles from Warrenton, this airport caters to both domestic and international travelers. It connects to around 210 domestic cities and 110 international locales, offering passengers the option to upgrade to first class, premium economy, or business class seating for enhanced comfort, depending on the airline and route. Key airlines operating here include Southwest Airlines, American Airlines, and Delta.
• Columbia Regional Airport (COU): Found in Boone County, Missouri, about 58 miles from Warrenton, this airport provides both domestic and limited international service. It links to over 40 domestic cities and one international destination, allowing travelers to opt for first-class seating for an elevated travel experience, based on their chosen airline and route. Notable carriers serving this airport are American Airlines and United.

Top routes to Warrenton

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

Cheapest routes to Warrenton

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

• American Airlines: Operating flights to Lambert-St. Louis International Airport (STL) and Columbia Regional Airport (COU), this carrier represents about 29% of arrivals in Warrenton. The average fare for a one-way ticket is around $320, with options for premium service potentially including first class, depending on the route.
• Southwest Airlines: This airline flies to Lambert-St. Louis International Airport (STL) and is responsible for roughly 27% of Warrenton's arrivals. Travelers can expect an average one-way fare of about $240.
• Delta: Serving Lambert-St. Louis International Airport (STL), Delta accounts for around 20% of arrivals to Warrenton. The average one-way fare is approximately $290, with premium cabin options possibly including premium economy and first class based on the route.
• United: This airline operates flights to both Lambert-St. Louis International Airport (STL) and Columbia Regional Airport (COU), providing around 15% of Warrenton's arrivals. One-way fares average about $290, with a chance of first-class service available on select routes.
• Frontier Airlines: Flying into Lambert-St. Louis International Airport (STL), Frontier Airlines contributes about 5% of the arrivals to Warrenton. Passengers can generally find low-cost options, with average one-way fares around $150.

Best time to fly to Warrenton

The most popular months for travelers to fly to Warrenton are January, March, and April, when peak temperatures in Warrenton can reach up to 54.9°F in April. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 69.6°F and typically the lowest average one-way fare (around $223), roughly 9% cheaper than the yearly average. Looking for additional cheaper months to fly? October, May, and August offer average one-way fares roughly ranging from $226 to $237, 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 Warrenton

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

*For members. Select hotels.

Arriving in Warrenton

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

• Innsbrook: Innsbrook is located 7 miles drive away from Warrenton and is a charming village perfect for those seeking outdoor adventures and stunning scenery. Visitors can enjoy romantic escapes at the picturesque Innsbrook Lake, relax at Corlina Beach, or embark on exciting outings at Mooring Marina. With its recreational areas, golf courses, and proximity to a national state park and river, Innsbrook offers a delightful combination of relaxation and exploration.
• Hawk Point: Hawk Point is located 11 miles drive away from Warrenton and welcomes travelers with its serene outdoor settings and scenic views. The area features the beautiful Cuivre River State Park, ideal for adventure and nature lovers. Families can enjoy quality time at Troy Missouri Main Street Park, while the Warrenton Athletic Complex offers eco-friendly recreational opportunities. With a mix of educational sites and tranquil parks, Hawk Point is a lovely destination for relaxation and family fun.
• Troy: Troy is located 15 miles drive away from Warrenton and is an exciting city for those who crave outdoor activities and adventure. Nature enthusiasts can explore the breathtaking Cuivre River State Park, while families can unwind at the urban Troy Missouri Main Street Park. For a romantic outing, Innsbrook Lake provides a scenic backdrop. With its blend of amusement parks and recreational areas, Troy is a great spot for thrill-seekers and families alike.

Tips for short-haul flights to Warrenton

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 the more economical choice. Maximize space by using mini toiletries, wearing your bulkiest outfit, and organizing your clothes efficiently. This strategy also helps you avoid the wait at baggage claim upon arrival.
• Bring your own entertainment—many short-haul flights may not provide in-flight entertainment. To keep yourself entertained, download TV shows, movies, music, or podcasts in advance, and consider bringing a book. 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 wise to arrive at least 1.5 to 2 hours prior to departure, allowing for potential traffic delays 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 Warrenton

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. Many full-service airlines provide complimentary seat selection once online check-in opens, typically 24–48 hours before 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 departure for international flights to accommodate check-in, security checks, and immigration procedures.
• Relax at the airport—if you have some extra time, take the opportunity to shop, find a coffee shop, 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 to align your body clock by changing your watch and adapting your sleep schedule to your destination's time zone. Attempt to sleep or stay awake during the flight according to the local time of your arrival destination to help minimize jet lag.

Tips to find the cheapest flights to Warrenton

The cheapest day to fly

Get started finding a cheap flight to Warrenton 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

October is the cheapest month to fly to Warrenton. 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 Warrenton. 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 Warrenton, 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 Warrenton

The lowest price for round-trip flights to Warrenton 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 Warrenton. If you have a preferred departure time or airline, you can use the handy filters to customize your search.

The cheapest airlines flying to Warrenton

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

The most affordable airports to fly into

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

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 Warrenton.

Stopover savings

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