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

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

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Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN) cost?
Snag a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN) 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 Tweed - New Haven Regional Airport (HVN)?
is the least expensive month to fly from STL to HVN. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STL to HVN flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN)?
There aren't any daily nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from STL to HVN?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending 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 STL to HVN?
Avelo Airlines has the best performance for on-time direct flights from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN), with an on-time score of 92%. Use the Expedia App to view your flight schedule before you leave and get immediate updates about any trip changes.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being 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 Tweed - New Haven Regional Airport (HVN) last-minute?
Booking your plane ticket from STL to HVN shortly before your journey is generally more expensive. However, if there's some wiggle room with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to HVN flight and hotel package?
Securing a STL to HVN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Tweed - New Haven Regional Airport (HVN)?
Typically, you can cancel or modify your STL to HVN flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, visit our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Tweed - New Haven Regional
Distance
939 mi

Book with confidence

Book with confidence

St. Louis to New Haven Flights

The cheapest times to fly from St. Louis to New Haven

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

 

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

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

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 New Haven 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 New Haven 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 New Haven 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 New Haven Flights

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*Available to One Key members.