A city skyline with a prominent arch bridge at sunset.

$247 Cheap Flights from Huntsville (HSV) to St. Louis (STL)

Popular airlines from Huntsville International Airport (HSV) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Huntsville to St. Louis (HSV-STL)

Prices were available within the past 7 days and start at $247 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
United
United
Delta
American Airlines
United
United
Delta
Delta

Alternative airports near St. Louis

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

Find the cheapest month to fly from Huntsville (HSV) to St. Louis (STL)

January is typically the cheapest month to fly

From $228 - $388 per traveler.

What you need to know for your flight from Huntsville Intl. to Lambert-St. Louis Intl.

Huntsville (HSV) to St. Louis (STL) at a glance

Explore a range of airlines offering flights from Huntsville (HSV) to St. Louis (STL) on this domestic short-haul route. Compare various options from full-service carriers to find the itinerary that suits your budget, schedule, and travel preferences as you discover the iconic attractions and vibrant neighborhoods of St. Louis. Get all the essential information for flights departing from Huntsville International Airport (HSV) to Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 2h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 350 miles (565 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$380, depending on seasonality and how far ahead you book

Flights from Huntsville International Airport (HSV) to Lambert-St. Louis International Airport (STL)

Based on recent traveler bookings, here are the top airlines preferred for flights from Huntsville to St. Louis, often favored for their one-stop service. Common layover spots include Hartsfield-Jackson Atlanta International Airport (ATL) with a layover of about 1 hour and 15 minutes, O'Hare International Airport (ORD) with around a 2 hour and 15 minutes layover, and Charlotte-Douglas International Airport (CLT) also at approximately 1 hour and 15 minutes. This variety allows you to customize your travel experience by balancing cost, total travel time, and cabin class for the best itinerary.

  • Delta: Dominating this route, Delta offers a full-service experience with one-stop flights. One-way ticket prices generally fall between $115 and $385. This airline accounts for about 64% of departures, featuring an in-flight duration of 2 hours and 45 minutes, leading to a total travel time of around 4 hours and 30 minutes, including layovers.
  • American Airlines: Another reliable choice, American Airlines provides one-stop service with one-way fares typically ranging from $125 to $385. It represents approximately 27% of the departures on this route, with an in-flight time of 2 hours and 45 minutes, culminating in a total journey duration of roughly 4 hours and 30 minutes, including layovers.
  • United: Offering a full-service option, United Airlines features one-stop flights with one-way fares usually between $130 and $290. This carrier accounts for about 9% of the departures, with an in-flight time of 2 hours and 45 minutes, resulting in a total travel time of approximately 4 hours and 30 minutes, including the layover.

Best time to fly from Huntsville (HSV) to St. Louis (STL)

The most popular months for travelers flying from Huntsville to St. Louis are January, February, and July, when peak temperatures in St. Louis reach up to 78.6°F in July. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 70.9°F. For better deals, October usually offers the lowest average one-way fare around $149. Flight availability peaks in October, with approximately 10 flights per week, making it easier to find convenient departure times. March, May, and June have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $149, roughly 29% cheaper than the yearly average.
  • Most flight options: October has the highest number of flights from Huntsville to St. Louis, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January31.6°F (-0.2°C)Moderately High8$213
February34.9°F (1.6°C)Moderately High8$192
March46.4°F (8.0°C)Average7$269
April56.1°F (13.4°C)Moderately Low8$220
May66.6°F (19.2°C)Average7$186
June76.1°F (24.5°C)Moderately Low7$275
July78.6°F (25.9°C)Moderately High8$209
August77.0°F (25.0°C)Average8$179
September70.9°F (21.6°C)Moderately Low8$210
October58.6°F (14.8°C)Average10$149
November46.2°F (7.9°C)Average8$226
December37.8°F (3.2°C)Average8$217

*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.

Alternative route from Huntsville (HSV) to St. Louis (STL)

  • Huntsville to St. Louis (HSV-SUS): The Spirit of St. Louis Airport (SUS) is located approximately 16 miles from Lambert-St. Louis International Airport (STL), offering convenient access to the city.

How to find the best prices for flights from Huntsville (HSV) to St. Louis (STL)

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

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures, between 5 am and 12 pm, not only tend to offer lower prices but are also the most popular flight times. Additionally, flying on Saturday generally provides cheaper options, even though Friday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. 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.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. 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 allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Lambert-St. Louis International Airport from Huntsville International Airport

St. Louis welcomes travelers from Huntsville with a range of transport options based on price, convenience, and proximity. Here's how to reach St. Louis efficiently:

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

Frequently asked questions

How much does a flight from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $247 and cheap return flights from $319 Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights generally range between $184 and $746, and roundtrip flights usually range from $314 to $917. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
February is the cheapest month to fly from Huntsville, AL (HSV) to St. Louis, MO (STL), with average return fares around $237. This is about 30% lower than the average price throughout the year, as February typically sees less travel demand after the holiday season. Other cheap months to fly from HSV to STL include January and April.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter HSV to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Huntsville, AL (HSV) to St. Louis, MO (STL), with round-trip tickets starting from around $228 with a layover in Charlotte-Douglas Intl. (CLT). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly from Huntsville, AL (HSV) to St. Louis, MO (STL) is in February or April. February offers a return flight at around $237, making it a budget-friendly choice, while April is also popular for travel. These months are ideal as they provide a good mix of affordability and flight options, allowing for a pleasant travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Huntsville International Airport (HSV) to Lambert-St. Louis International Airport (STL) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in October, giving you an early start to your trip to St. Louis. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Huntsville, AL (HSV) to St. Louis, MO (STL) are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Airlines, operate flights during this time. This timing is favored because it lets you make the most of your day in St. Louis after arriving in the morning.
How long does it take to fly from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A flight from HSV to STL with a layover takes around 6 hours 30 minutes, with the route covering approximately 346 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
First class seats are offered on the HSV to STL route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Louis from Huntsville Intl. (HSV)?
If you're planning to travel to St. Louis from Huntsville Intl. (HSV), you can fly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Charlotte-Douglas Intl. (CLT), Hartsfield-Jackson Atlanta Intl. (ATL), Dallas-Fort Worth Intl. (DFW) before reaching St. Louis. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) St Louis Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Huntsville, AL (HSV-Huntsville Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Huntsville Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$318
Distance
345 mi

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*Flight schedules are subject to change.

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