Cheap flights from St. Louis to New York from $147

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 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:33 pm - 5:51 pm
STL
-
HVN
22h 18m
2 stops
Multiple Airlines Logo
3:42 pm - 11:57 pm
HVN
-
STL
9h 15m
1 stop
$236Multiple Airlines
Thu, May 28 - Wed, Jun 3
Multiple Airlines Logo
8:23 pm - 2:46 pm
STL
-
HVN
17h 23m
2 stops
Multiple Airlines Logo
3:42 pm - 12:21 am
HVN
-
STL
9h 39m
1 stop
$293Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
4:59 pm - 9:58 am
STL
-
HVN
15h 59m
1 stop
Multiple Airlines Logo
3:42 pm - 12:21 am
HVN
-
STL
9h 39m
1 stop
$412Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
4:59 pm - 2:01 pm
STL
-
HVN
20h 02m
1 stop
Multiple Airlines Logo
12:07 pm - 7:32 pm
HVN
-
STL
32h 25m
2 stops
$558Multiple Airlines
Mon, Apr 20 - Fri, Apr 24
Multiple Airlines Logo
4:10 pm - 2:57 pm
STL
-
HVN
21h 47m
1 stop
Multiple Airlines Logo
6:55 pm - 12:14 am
HVN
-
STL
30h 19m
2 stops
$567Multiple Airlines
Fri, Jul 24 - Fri, Jul 31

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 April 9, 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

Cheapest round-trip

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Thu 5/28

6:33 pm-5:51 pm

2 stops22h 18m

Tweed-New Haven

Wed 6/3

3:42 pm-11:57 pm

1 stop9h 15m

$236

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Sat 5/2

8:23 pm-2:46 pm

2 stops17h 23m

Tweed-New Haven

Sat 5/9

3:42 pm-12:21 am

1 stop9h 39m

$293
Quickest round-trip

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Sat 5/2

4:59 pm-9:58 am

1 stop15h 59m

Tweed-New Haven

Sat 5/9

3:42 pm-12:21 am

1 stop9h 39m

$412

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Mon 4/20

4:59 pm-2:01 pm

1 stop20h 02m

Tweed-New Haven

Fri 4/24

12:07 pm-7:32 pm

2 stops32h 25m

$558

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Fri 7/24

4:10 pm-2:57 pm

1 stop21h 47m

Tweed-New Haven

Fri 7/31

6:55 pm-12:14 am

2 stops30h 19m

$567
Cheapest one-way

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Mon 5/18

5:27 pm-2:57 pm

2 stops44h 30m

$147

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Mon 5/18

4:19 pm-2:02 pm

1 stop20h 43m

$196

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Tue 7/7

4:10 pm-1:34 pm

3 stops44h 24m

$228

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Tue 7/7

6:33 pm-1:34 pm

2 stops42h 01m

$239
Quickest one-way

St. LouisNew Haven

STL - HVN

STLHVN

Lambert-St Louis

Mon 5/18

5:27 pm-2:02 pm

3 stops19h 35m

$240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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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

21h 47m

Direct flights

None
The fastest flight from St. Louis to New Haven takes 21h 47m
There are no direct flights from St. Louis to New Haven. There are no popular flight routes from St. Louis to New Haven.

Frequently asked questions about flying from St. Louis to New Haven

  • 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. 21h 47m 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.

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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1 adult
Sat 5/9
Sat 5/16

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