STL - HVN

$366 Find Cheap Flights from St. Louis to New Haven - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$366
Typical prices: $380-$474
Multiple Airlines
Tue 10/2Thu 10/4
STL - HVN • 1 stop
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Cheap Flights from St. Louis to New Haven (STL-HVN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to New Haven

Fri, Oct 2 - Sun, Oct 4
Multiple Airlines Logo
2:29 pm - 1:30 pmSTL  Lambert-St Louis-HVN Tweed-New Haven
22h 01m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:20 am - 11:17 amHVN  Tweed-New Haven-STL Lambert-St Louis
26h 57m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$366Multiple Airlines
Wed, Sep 16 - Sun, Sep 20
Multiple Airlines Logo
2:29 pm - 7:14 pmSTL  Lambert-St Louis-HVN Tweed-New Haven
27h 45m2 stops Atlanta Hartsfield-Jackson Orlando
Multiple Airlines Logo
7:54 pm - 4:34 pmHVN  Tweed-New Haven-STL Lambert-St Louis
21h 40m1 stop Orlando
$482Multiple Airlines
Fri, Oct 2 - Sun, Oct 4
Multiple Airlines Logo
12:02 pm - 1:30 pmSTL  Lambert-St Louis-HVN Tweed-New Haven
24h 28m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:20 am - 11:17 amHVN  Tweed-New Haven-STL Lambert-St Louis
26h 57m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$499Multiple Airlines
Sun, Sep 13 - Thu, Sep 17
Multiple Airlines Logo
5:19 pm - 5:44 pmSTL  Lambert-St Louis-HVN Tweed-New Haven
23h 25m2 stops Orlando Raleigh-Durham
Multiple Airlines Logo
7:54 pm - 4:34 pmHVN  Tweed-New Haven-STL Lambert-St Louis
21h 40m1 stop Orlando
$570Multiple Airlines
Booking Insights

Price, demand and travel trends for St. Louis to New Haven flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to New Haven with more confidence.

What is the cheapest layover airport when flying from St. Louis to New Haven?

Flights via Orlando (MCO) offer the most affordable fares, with an average round-trip price of $380. Based on KAYAK data over the past 3 months.

When flying from St. Louis to New Haven which airport offers the shortest layover?

Orlando (MCO) had the shortest average connection time for St. Louis to New Haven layovers at 940 minutes over the past 3 months.

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Key details for St. Louis to New Haven flights

Cheapest flight

$366
Flight from St. Louis to New Haven

When to book flights from St. Louis to New Haven

Are your dates flexible? Find out the best times to travel from St. Louis to New Haven based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to New Haven flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from St. Louis to New Haven?

    Flights from St. Louis to New Haven usually depart from Lambert-St Louis (STL) and arrive at Tweed-New Haven (HVN).

  • Which airports do connecting flights from St. Louis to New Haven pass through?

    Most connecting flights from St. Louis to New Haven pass through Orlando (MCO), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from St. Louis to New Haven?

    Yes. Being flexible with your travel dates can save you up to 20% on the St. Louis to New Haven route. Friday is the cheapest departure day at $380 round-trip on average, while Thursday is the most expensive at $474, a difference of $94. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in New Haven?

    Some of the most popular sights in New Haven are Yale University, Shubert Theater and Southern Connecticut State University. These are among the most viewed places in New Haven on KAYAK.

  • Do I need a passport to fly from St. Louis to New Haven?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from St. Louis to New Haven changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $366 to $570. That means the highest observed fare was about 55% higher than the lowest one.

  • What is the time difference between St. Louis and New Haven?

    New Haven is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking St. Louis to New Haven flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Thursday. On this route, Friday flights average $380 - about $94 less than Thursday (20% savings) based on the last 12 months.

Everything you need to know for your flight from St. Louis to New Haven

Information on your arrival and departure airports

St. Louis (STL)
New Haven (HVN)