$120+ Cheap flights from New Haven to St. Louis (HVN - STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
HVN — STL
Aug 12 — Aug 191
Round-trip
1 adult, Economy
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Find cheap flights from New Haven to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from New Haven to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Haven to St. LouisExplore the most affordable flight options available from New Haven to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
Explore the most affordable flight options available from New Haven to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:36 pm
HVN
- STL
1 stop28h 23m
Multiple Airlines
Sun 8/166:34 pm
STL
- HVN
2 stops22h 41m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Fri 8/144:57 pm
STL
- HVN
2 stops43h 37m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:47 pm
HVN
- STL
1 stop10h 12m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$419
Best flights from New Haven to St. LouisDiscover carefully curated flight deals from New Haven to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
Discover carefully curated flight deals from New Haven to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:36 pm
HVN
- STL
1 stop28h 23m
Multiple Airlines
Sun 8/166:34 pm
STL
- HVN
2 stops22h 41m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Fri 8/144:57 pm
STL
- HVN
2 stops43h 37m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:47 pm
HVN
- STL
1 stop10h 12m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$419
Last-minute flights from New Haven to St. LouisDiscover last-minute flight deals from New Haven to St. Louis. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from New Haven to St. Louis. Data last updated July 13, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/282:47 pm
HVN
- STL
1 stop10h 12m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/293:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Mon 8/34:57 pm
STL
- HVN
2 stops20h 05m
Multiple Airlines
Deal found 7/8![Multiple Airlines logo]()
$383
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:42 pm
HVN
- STL
1 stop9h 17m
Multiple Airlines
Fri 8/144:57 pm
STL
- HVN
2 stops43h 37m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:36 pm
HVN
- STL
1 stop28h 23m
Multiple Airlines
Sun 8/166:34 pm
STL
- HVN
2 stops22h 41m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$355
One-way flights from New Haven to St. LouisSearch for one-way flight options from New Haven to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
Search for one-way flight options from New Haven to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/53:42 pm
HVN
- STL
2 stops26h 55m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/62:34 pm
HVN
- STL
2 stops43h 23m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:42 pm
HVN
- STL
2 stops42h 15m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/42:47 pm
HVN
- STL
2 stops19h 10m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$214
Find flight deals from New Haven to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from New Haven (HVN) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $355 (Kiwi.com) |
One-way from | $120 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $406 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Haven to St. Louis 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, Cheapflights users made 2,558,603 searches. Data last updated July 13, 2026.
Use the filters below to find and compare flights from New Haven to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Sun 8/9
8:36 pm-11:59 pm
1 stop28h 23m
Lambert-St Louis
Sun 8/16
6:34 pm-6:15 pm
2 stops22h 41m
$355
Quickest round-trip
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Wed 7/29
3:42 pm-11:59 pm
1 stop9h 17m
Lambert-St Louis
Mon 8/3
4:57 pm-2:02 pm
2 stops20h 05m
$383
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Sat 8/8
3:42 pm-11:59 pm
1 stop9h 17m
Lambert-St Louis
Fri 8/14
4:57 pm-1:34 pm
2 stops43h 37m
$410
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Tue 7/28
2:47 pm-11:59 pm
1 stop10h 12m
Lambert-St Louis
Mon 8/3
4:57 pm-2:02 pm
2 stops20h 05m
$419
Cheapest one-way
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Sat 8/8
3:42 pm-8:57 am
2 stops42h 15m
$167
Quickest one-way
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Wed 8/5
3:42 pm-11:59 pm
1 stop9h 17m
$182
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Tue 8/4
2:47 pm-8:57 am
2 stops19h 10m
$214
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Fri 8/7
6:55 pm-11:59 pm
3 stops30h 04m
$258
New HavenSt. Louis
HVN - STL
HVNSTL
Tweed-New Haven
Fri 7/24
6:55 pm-5:37 pm
3 stops47h 42m
$282
Sorted by cheapest first
Compare providers for flights from New Haven to St. Louis
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from New Haven to St. Louis in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on New Haven-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on New Haven-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New Haven-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New Haven-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for New Haven-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from New Haven to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from New Haven with our price prediction graph.
HVN-STL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from New Haven to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Alton
Farmington
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