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Cheap flights from St. Louis to New York from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to New York departing on 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:51 pm - 2:01 pm
STL
-
HVN
20h 10m
1 stop
Multiple Airlines Logo
12:07 pm - 10:32 am
HVN
-
STL
23h 25m
2 stops
$279Multiple Airlines
Mon, Mar 23 - Mon, Mar 30
Multiple Airlines Logo
11:32 am - 2:46 pm
STL
-
HVN
26h 14m
2 stops
Multiple Airlines Logo
8:44 pm - 11:19 pm
HVN
-
STL
27h 35m
1 stop
$303Multiple Airlines
Wed, Mar 18 - Sun, Mar 22
Multiple Airlines Logo
8:02 am - 8:04 pm
STL
-
HVN
11h 02m
1 stop
Multiple Airlines Logo
8:44 pm - 1:34 pm
HVN
-
STL
17h 50m
2 stops
$351Multiple Airlines
Thu, Mar 19 - Sun, Mar 22
Multiple Airlines Logo
4:51 pm - 8:04 pm
STL
-
HVN
26h 13m
1 stop
Multiple Airlines Logo
8:44 pm - 7:02 am
HVN
-
STL
11h 18m
1 stop
$369Multiple Airlines
Wed, Mar 18 - Sun, Mar 22
Multiple Airlines Logo
8:02 am - 8:04 pm
STL
-
HVN
11h 02m
1 stop
Multiple Airlines Logo
8:44 pm - 11:19 pm
HVN
-
STL
27h 35m
1 stop
$376Multiple Airlines
Thu, Mar 19 - Sun, Mar 22
Multiple Airlines Logo
4:51 pm - 11:27 am
STL
-
HVN
17h 36m
2 stops
Multiple Airlines Logo
8:44 pm - 7:22 am
HVN
-
STL
11h 38m
1 stop
$439Multiple Airlines
Sun, Mar 8 - Thu, Mar 12
Multiple Airlines Logo
7:52 am - 8:04 pm
STL
-
HVN
11h 12m
1 stop
Multiple Airlines Logo
8:44 pm - 7:05 pm
HVN
-
STL
23h 21m
1 stop
$615Multiple Airlines
Sun, Mar 8 - Thu, Mar 12

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to New Haven that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 22, 2026.
Use the filters below to find and compare flights from St. Louis to New Haven that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Mon 3/23

4:51 pm-2:01 pm

1 stop20h 10m

Tweed-New Haven

Mon 3/30

12:07 pm-10:32 am

2 stops23h 25m

$279

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 3/18

11:32 am-2:46 pm

2 stops26h 14m

Tweed-New Haven

Sun 3/22

8:44 pm-11:19 pm

1 stop27h 35m

$303

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Thu 3/19

8:02 am-8:04 pm

1 stop11h 02m

Tweed-New Haven

Sun 3/22

8:44 pm-1:34 pm

2 stops17h 50m

$351

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 3/18

4:51 pm-8:04 pm

1 stop26h 13m

Tweed-New Haven

Sun 3/22

8:44 pm-7:02 am

1 stop11h 18m

$369

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Thu 3/19

8:02 am-8:04 pm

1 stop11h 02m

Tweed-New Haven

Sun 3/22

8:44 pm-11:19 pm

1 stop27h 35m

$376

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Sun 3/8

4:51 pm-11:27 am

2 stops17h 36m

Tweed-New Haven

Thu 3/12

8:44 pm-7:22 am

1 stop11h 38m

$439

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Sun 3/8

7:52 am-8:04 pm

1 stop11h 12m

Tweed-New Haven

Thu 3/12

8:44 pm-7:05 pm

1 stop23h 21m

$615

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 5/6

8:13 pm-7:56 pm

2 stops22h 43m

$121

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 5/6

4:55 pm-7:56 pm

1 stop26h 01m

$132

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Wed 5/6

8:13 pm-5:51 pm

3 stops44h 38m

$146

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to New York from

How to get the cheapest flight ticket from St. Louis to New Haven

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 airlines fly to New Haven?

American Airlines, Delta and Southwest are the top three most popular airlines that fly to New Haven from St. Louis according to our data. American Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to New Haven. Keep in mind that there are 5 different airlines that fly to New Haven on a routine basis, so you have a few additional options to choose from.

When to book flights from St. Louis to New Haven

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to New Haven according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to New Haven (STL to HVN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to New Haven

Fastest flight time

11h 02m

Direct flights

None
The fastest flight from St. Louis to New Haven takes 11h 02m
There are no direct flights from St. Louis to New Haven. There are no popular flight routes from St. Louis to New Haven.
Search flight deals

  • How far is Lambert-St Louis to Tweed-New Haven by plane?

    Lambert-St Louis and Tweed-New Haven are 930.8 mi apart from one another. 11h 02m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Tweed-New Haven Airport?

    Prices for flights from Lambert-St Louis Airport to Tweed-New Haven Airport were last updated today.

  • How old do you have to be to fly from Lambert-St Louis Airport to Tweed-New Haven 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 Lambert-St Louis Airport to Tweed-New Haven Airport.

  • What documentation or ID do you need to fly to Tweed-New Haven Airport?

    The travel and health documents required for your trip to Tweed-New Haven 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 Tweed-New Haven 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 St. Louis to New Haven?

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Old Saybrook
Madison
Wallingford
Westbrook
Essex
Chester

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to New Haven?

It is quick and easy to find St. Louis to New Haven flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to New Haven that suits you.

Can I find flights from St. Louis to New Haven with flexible booking policies on momondo?

All flight searches from St. Louis to New Haven on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to New Haven?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to New Haven from St. Louis.

I’m not ready to book a flight from St. Louis to New Haven right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to New Haven from St. Louis. 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.

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