Cheap Flights from St. Louis (STL) to Westfield (BAF)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal) cost?
Secure a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)?
The cheapest month to fly from STL to BAF is , when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)?
Use the filters on Expedia to compare different airlines and find the most affordable carrier that'll take you from STL to BAF. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to BAF?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**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 Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal) last-minute?
Booking your plane ticket from STL to BAF just before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Westfield, MA (BAF-Barnes Municipal)?
If you booked your STL to BAF flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Barnes Municipal
Distance
955 mi

Book with confidence

Book with confidence

St. Louis to Westfield Flights

The cheapest times to fly from St. Louis to Westfield

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 St. Louis to Westfield are during the month of . You can find some of the cheapest flights from St. Louis to Westfield with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Westfield: 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 St. Louis to Westfield

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 St. Louis to Westfield 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 St. Louis to Westfield 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 St. Louis to Westfield 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.

 

St. Louis to Westfield Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.