Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from New Haven to St. Louis
Cheap round-trip flights
See travel insights to St. Louis from
How to get the cheapest flight ticket from New Haven to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $341. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $451. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from New Haven in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $358 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $407 per ticket.
What is the cheapest Tweed-New Haven to Lambert-St Louis flight route?
Fly from Tweed-New Haven to Lambert-St Louis for the best Tweed-New Haven - Lambert-St Louis flight prices
What cabin class options are available on Tweed-New Haven to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on Tweed-New Haven to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
When to book flights from New Haven to St. Louis
Cheap New Haven to St. Louis (HVN to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New Haven to St. Louis
How far is Tweed-New Haven to Lambert-St Louis by plane?
Lambert-St Louis is 930.8 mi away from Tweed-New Haven.
When did momondo last update prices for flights from Tweed-New Haven Airport to Lambert-St Louis Airport?
Prices for flights from Tweed-New Haven Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Tweed-New Haven Airport to Lambert-St Louis Airport?
As of April 2025, there is 1 operator available to choose from for flights from Tweed-New Haven Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Tweed-New Haven Airport to Lambert-St Louis Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tweed-New Haven Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from New Haven to St. Louis?
Based on momondo bookings for flights between New Haven and St. Louis, the leading plane model is Boeing 737-700, making up 42.86% of the total bookings. Other popular models include Embraer 175 with 28.57%, Airbus A319 with 14.29%, and Canadair (Bombardier) Regional Jet 900 with 14.29%.
What is the most popular airline from New Haven to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from New Haven to St. Louis is Avelo Airlines (100% of total bookings).
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from New Haven to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New Haven to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from New Haven to St. Louis with flexible booking policies on momondo?
momondo does allow users to show only those flights to St. Louis from New Haven which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from New Haven to St. Louis?
Once all potential New Haven to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from New Haven to St. Louis right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to St. Louis from New Haven. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.