Cheap Flights from Hartford (BDL) to St. Louis (CPS)

Popular airlines from Bradley Intl. Airport (BDL) to St. Louis, MO (CPS-St. Louis Downtown)

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Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $332
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $332
Flights from Hartford (BDL) to St. Louis (CPS)
Origin airport
Bradley Intl.
Destination airport
St. Louis Downtown
Distance
948 mi

Hartford to St. Louis Flights

The cheapest times to fly from Hartford to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hartford to St. Louis are during the month of . You can find some of the cheapest flights from Hartford to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Hartford to St. Louis

Sunday is one of the best days to book for cheap flights from Hartford to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Hartford to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hartford to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hartford to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Hartford to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS) cost?
Discover the latest flight deals from BDL to CPS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BDL to CPS?
The cheapest flights from BDL to CPS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BDL to CPS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BDL to CPS. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS)?
Nonstop flights from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BDL to CPS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS)?
To reach St. Louis Downtown Airport (CPS) on time, select a flight that leaves from Bradley Intl. Airport (BDL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS) last-minute?
Booking your plane ticket from BDL to CPS shortly before your journey is usually more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a BDL to CPS flight and hotel package?
Booking a BDL to CPS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bradley Intl. Airport (BDL) to St. Louis Downtown Airport (CPS)?
If you reserved your BDL to CPS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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St. Louis nearby Airports

St. Louis

Hartford to Lambert-St. Louis Intl.
$158.76
*Available to One Key members.