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$136 Cheap Flights from Hartford (BDL) to St. Louis (STL)

Popular airlines from Bradley Intl. Airport (BDL) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Hartford to St. Louis (BDL-STL)

Prices were available within the past 7 days and start at $136 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Southwest Airlines
Delta
United
Southwest Airlines
American Airlines

Alternative airports near St. Louis

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

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

Hartford (BDL) to St. Louis (STL) at a glance

Travel between Hartford (BDL) and St. Louis (STL) with a range of airlines on this domestic short-haul route. Discover various options for flights from Hartford, whether you prefer full-service or budget-friendly carriers. This way, you can select the itinerary that aligns with your travel plans, schedule, and budget as you delve into the iconic attractions and neighborhoods of St. Louis. Here, you'll find essential details for your journey from Bradley International Airport (BDL) to Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 4 hours in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $120–$460, depending on seasonality and how far ahead you book

Flights from Bradley International Airport (BDL) to Lambert-St. Louis International Airport (STL)

According to recent traveler bookings, the top airlines flying from Hartford to St. Louis are favored for their one-stop service, with common layover points at Detroit Metropolitan Wayne County Airport (DTW) for approximately 1 hour and 15 minutes, Hartsfield-Jackson Atlanta International Airport (ATL) for about 1 hour and 15 minutes, and Charlotte-Douglas International Airport (CLT), also around 1 hour and 15 minutes. This allows travelers to customize their journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • American Airlines: This comprehensive carrier provides one-stop flights, with one-way ticket prices generally falling between $120 and $460. It accounts for around 39% of the departures on this route, featuring an in-flight duration of 4 hours and an overall travel time of approximately 5 hours and 15 minutes, including a layover.
  • Delta: Another full-service option, Delta offers one-stop services with one-way fares that usually range from $125 to $470. It represents about 31% of the departures on this route, with a flight time of 4 hours and a total journey duration of roughly 5 hours and 15 minutes, factoring in a layover.
  • Southwest Airlines: As a budget-friendly carrier, Southwest provides one-stop service, with one-way fares typically between $120 and $470. It covers approximately 21% of the departures for this route, featuring a flying time of 4 hours and a total travel duration of around 5 hours and 15 minutes, including a layover.
  • United: This full-service airline offers one-stop options, with one-way fares generally ranging from $150 to $470. United constitutes about 6% of the departures on this route, with an in-flight time of 4 hours and an overall journey time of about 5 hours and 15 minutes, including a layover.
  • Frontier Airlines: As a low-cost airline, Frontier provides one-stop flights with one-way fares typically ranging from $120 to $195. It makes up roughly 2% of the departures on this route, with an in-flight duration of 4 hours and a total journey time of around 5 hours and 15 minutes, including a layover.

Travelers flying from Hartford to St. Louis have the option to enhance their journey with upgraded flight services. Delta provides both first class and premium economy cabins, while American Airlines and United also offer first class service.

Best time to fly from Hartford (BDL) to St. Louis (STL)

The most popular months for travelers flying from Hartford to St. Louis are March, April, and May, when peak temperatures in St. Louis reach up to 66.6°F in May. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 77°F and typically the lowest average one-way fare (around $205). Flight availability peaks in May, with approximately 21 flights per week, making it easier to find convenient departure times. January and March have the fewest flights, with approximately 13 flights per week.

  • Cheapest time to fly: August usually offers good deals with average one-way fare around $205, roughly 14% cheaper than the yearly average.
  • More budget-friendly months to fly: May, September, and July typically offer average one-way fares roughly ranging from $206 to $217.
  • Most flight options: May has the highest number of flights from Hartford to St. Louis, with approximately 21 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)Average13$240
February34.9°F (1.6°C)Average14$257
March46.4°F (8.0°C)Moderately High13$276
April56.1°F (13.4°C)Moderately High17$258
May66.6°F (19.2°C)Moderately High21$206
June76.1°F (24.5°C)Moderately Low17$221
July78.6°F (25.9°C)Moderately Low17$217
August77.0°F (25.0°C)Moderately Low15$205
September70.9°F (21.6°C)Average17$207
October58.6°F (14.8°C)Average18$238
November46.2°F (7.9°C)Average18$309
December37.8°F (3.2°C)Average19$262

*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 Hartford (BDL) to St. Louis (STL)

  • Hartford to Springfield (BDL-SPI): Abraham Lincoln Capital Airport (SPI) is located approximately 85 miles from Lambert-St. Louis International Airport (STL). One-way economy ticket prices for this route generally fall between $205 and $475, influenced by the season and how far in advance you book. This route usually features one-stop flights, primarily connecting through O'Hare International Airport (ORD). American Airlines is the leading carrier for this journey.

How to find the best prices for flights from Hartford (BDL) to St. Louis (STL)

Getting some of the best deals on flights from Hartford 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 usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the afternoon (12pm-6pm) often offer lower prices, while morning flights (5am-12pm) are the most popular. Additionally, flying on Tuesday generally provides cheaper options, though Friday remains 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 Bradley International Airport

St. Louis welcomes travelers from Hartford with a range of transport options based on price, convenience, and proximity. For departures, Bradley International Airport is roughly a 15-minute drive (covering about 12 miles) from central Hartford. 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 located about 0.1 miles away on foot, providing easy access to public transport for travelers.

Frequently asked questions

How much does a flight from Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) cost?
You can find cheap one-way flights from $136 and cheap return flights from $268 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) with Expedia. One-way flights usually range from $154 to $664, and return flights typically cost between $340 and $1058. 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 Hartford, CT (BDL-Bradley 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The cheapest month to fly from BDL to STL is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Enter BDL to STL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Bradley Intl. (BDL) to Lambert-St. Louis Intl. (STL), with round-trip tickets starting from around $532. 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
To find a cheap flight from Hartford, CT (BDL-Bradley 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The earliest flight from Bradley International (BDL) to Lambert-St. Louis International (STL) typically departs at around 5:00 AM, operated by American Airlines. This early flight can help you arrive in St. Louis with plenty of time to explore. 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
The most popular departure times for flights from Hartford, CT (BDL) to St. Louis, MO (STL) are in the early morning, from 6am to 9am. About 33% of passengers prefer this time window. Many major carriers, including American Airlines, Southwest, and Delta, offer flights during this window. This timing is ideal for those wanting to arrive in St. Louis with plenty of time to explore.
How long does it take to fly from Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
A flight from BDL to STL with a layover takes around 5 hours 20 minutes, with the route covering approximately 955 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
First class is available on flights from BDL to STL. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight with Expedia?
It's easy to earn miles on a Hartford, CT (BDL-Bradley 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 Bradley Intl. (BDL)?
If you're planning to travel to St. Louis from Bradley Intl. (BDL), you can fly into Lambert-St. Louis Intl. (STL) Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Baltimore Washington Intl. Thurgood Marshall (BWI), Midway Intl. (MDW) 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) at the last minute?
Typically, booking a last minute flight from Hartford, CT (BDL-Bradley 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.) flight and hotel package?
Securing a Hartford, CT (BDL-Bradley 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 Hartford, CT (BDL-Bradley Intl.) to St. Louis, MO (STL-Lambert-St. Louis Intl.)?
If you booked your Hartford, CT (BDL-Bradley 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
Bradley Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$268
Distance
954 mi
Average flight time
10 hours 10 mins

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