Cheap Flights from New Haven (HVN) to St. Louis (STL)

Popular airlines from New Haven, CT (HVN-Tweed - New Haven Regional) to St. Louis Lambert Intl. Airport (STL)

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Flights from New Haven (HVN) to St. Louis (STL)
Origin airport
Tweed - New Haven Regional
Destination airport
Lambert-St. Louis Intl.
Distance
939 mi

New Haven to St. Louis Flights

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

 

The best time to book a flight from New Haven to St. Louis

Sunday is one of the best days to book for cheap flights from New Haven 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 New Haven 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 New Haven 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 New Haven 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 New Haven 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 Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL) cost?
Discover the latest flight deals from HVN to STL 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 HVN to STL?
The cheapest flights from HVN to STL 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 HVN to STL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from HVN to STL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HVN to STL?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from HVN to STL?
With 100% of journeys generally landing on time, Avelo Airlines has the best on-time performance for nonstop flights from Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL). To check your flight status and get notifications about any changes, head to the Expedia App.
What is the best time to fly from Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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 Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from HVN to STL are typically more expensive. To lock in the best prices, start looking for flights early. That being said, if your travel plans are flexible, it's possible to land a cheap fare right before you leave.
Is it cheaper to book a HVN to STL flight and hotel package?
Opting for a HVN to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of stays and then add activities, flights 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 Tweed - New Haven Regional Airport (HVN) to Lambert-St. Louis Intl. Airport (STL)?
If you reserved your HVN to STL flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, 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 for more details.

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