$147+ Cheap flights from LaGuardia, NY (LGA) to St. Louis (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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — STL
Sep 25 — Oct 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from LaGuardia 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.Cheapflights Tip: The best prices from New York LaGuardia to Lambert-St Louis are usually found in October or April, booked 86 days in advance, depart on a Wednesday or Thursday and return on a Wednesday
Cheap flight deals from LaGuardia to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from LaGuardia to St. LouisExplore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from LaGuardia to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
2 stops9h 25m
Mon 9/145:40 am -
Nonstop2h 20m
Deal found 8/21![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm -
Nonstop2h 50m
Thu 9/248:00 pm -
Nonstop2h 20m
Deal found 8/25![Southwest logo]()
$293
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:59 am -
Nonstop2h 47m
Mon 9/214:37 pm -
Nonstop2h 33m
Deal found 8/24![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:49 pm -
1 stop6h 27m
Tue 9/225:30 pm -
Nonstop2h 30m
Deal found 8/21![Delta logo]()
$295
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
1 stop7h 55m
Thu 9/2410:20 am -
1 stop8h 24m
Deal found 8/25![Frontier logo]()
$296
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:56 pm -
1 stop7h 31m
Mon 9/217:21 am -
1 stop6h 22m
Deal found 8/21![American Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/198:29 pm -
1 stop14h 06m
Mon 9/212:29 pm -
1 stop24h 31m
Deal found 8/23![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:55 am -
1 stop4h 20m
Sat 10/312:30 pm -
Nonstop2h 20m
Deal found 8/25![Southwest logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 8/22. 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.
Fri 10/96:10 am -
1 stop12h 30m
Mon 10/126:35 pm -
1 stop20h 39m
Deal found 8/22![Frontier logo]()
$300
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
Nonstop2h 45m
Mon 9/142:20 pm -
1 stop5h 00m
Deal found 8/21![Southwest logo]()
$301
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
Nonstop2h 46m
Sat 9/267:05 am -
1 stop6h 33m
Deal found 8/25![Delta logo]()
$303
Best flights from LaGuardia to St. LouisDiscover carefully curated flight deals from LaGuardia to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from LaGuardia to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm -
Nonstop2h 50m
Thu 9/248:00 pm -
Nonstop2h 20m
Deal found 8/25![Southwest logo]()
$293
This Delta deal was found by Cheapflights users on 8/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:20 pm -
Nonstop2h 46m
Tue 10/67:00 am -
Nonstop2h 26m
Deal found 8/23![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:59 am -
Nonstop2h 48m
Sat 11/710:47 am -
1 stop5h 56m
Deal found 8/25![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:35 am -
Nonstop2h 45m
Tue 9/293:45 pm -
1 stop4h 10m
Deal found 8/25![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:45 am -
Nonstop2h 44m
Tue 10/135:35 pm -
1 stop5h 05m
Deal found 8/22![Delta logo]()
$303
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:05 am -
Nonstop2h 40m
Fri 10/93:05 pm -
1 stop5h 20m
Deal found 8/25![Southwest logo]()
$322
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/236:59 am -
Nonstop2h 56m
Fri 11/278:00 am -
Nonstop2h 26m
Deal found 8/22![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:45 pm -
Nonstop2h 50m
Sat 9/1210:10 am -
Nonstop2h 20m
Deal found 8/21![Southwest logo]()
$323
This Delta deal was found by Cheapflights users on 8/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:45 am -
Nonstop2h 44m
Tue 10/1310:14 am -
1 stop4h 25m
Deal found 8/22![Delta logo]()
$322
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:55 am -
1 stop4h 20m
Tue 11/34:30 pm -
1 stop5h 05m
Deal found 8/25![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 8/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:35 pm -
1 stop8h 50m
Tue 10/132:25 pm -
1 stop4h 50m
Deal found 8/22![Southwest logo]()
$332
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:30 pm -
Nonstop2h 45m
Sun 9/205:45 am -
Nonstop2h 20m
Deal found 8/21![Southwest logo]()
$352
Last-minute flights from LaGuardia to St. LouisDiscover last-minute flight deals from LaGuardia to St. Louis. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to St. Louis. Data last updated August 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/23. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:29 pm -
1 stop20h 42m
Wed 9/92:29 pm -
1 stop5h 30m
Deal found 8/23![Frontier logo]()
$304
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:40 am -
Nonstop2h 45m
Mon 9/142:20 pm -
1 stop5h 00m
Deal found 8/21![Southwest logo]()
$301
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:00 am -
2 stops9h 25m
Mon 9/145:40 am -
Nonstop2h 20m
Deal found 8/21![Southwest logo]()
$292
This American Airlines deal was found by Cheapflights users on 8/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:59 am -
Nonstop2h 47m
Mon 9/214:37 pm -
Nonstop2h 33m
Deal found 8/24![American Airlines logo]()
$294
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/181:55 pm -
Nonstop2h 41m
Fri 9/255:30 pm -
Nonstop2h 30m
Deal found 8/21![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:49 pm -
1 stop6h 27m
Tue 9/225:30 pm -
Nonstop2h 30m
Deal found 8/21![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/195:56 pm -
1 stop7h 31m
Mon 9/217:21 am -
1 stop6h 22m
Deal found 8/21![American Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 9/198:29 pm -
1 stop14h 06m
Mon 9/212:29 pm -
1 stop24h 31m
Deal found 8/23![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 8/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/235:45 pm -
Nonstop2h 50m
Thu 9/248:00 pm -
Nonstop2h 20m
Deal found 8/25![Southwest logo]()
$293
This Priceline deal was found by Cheapflights users on 8/25. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:15 am -
1 stop7h 55m
Thu 9/2410:20 am -
1 stop8h 24m
Deal found 8/25![Frontier logo]()
$296
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
Nonstop2h 46m
Sat 9/267:05 am -
1 stop6h 33m
Deal found 8/25![Delta logo]()
$303
One-way flights from LaGuardia to St. LouisSearch for one-way flight options from LaGuardia to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from LaGuardia to St. Louis. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Delta deal was found by Cheapflights users on 8/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:20 pm -
Nonstop2h 46m
Deal found 8/25![Delta logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/148:29 pm -
2 stops46h 11m
Deal found 8/24![Frontier logo]()
$148
This American Airlines deal was found by Cheapflights users on 8/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2410:29 am -
1 stop6h 58m
Deal found 8/21![American Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/308:29 pm -
2 stops41h 41m
Deal found 8/22![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/25. 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.
Mon 10/58:29 pm -
2 stops41h 41m
Deal found 8/25![Frontier logo]()
$151
This Southwest deal was found by Cheapflights users on 8/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 am -
1 stop4h 20m
Deal found 8/24![Southwest logo]()
$152
This Delta deal was found by Cheapflights users on 8/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:25 pm -
Nonstop2h 49m
Deal found 8/21![Delta logo]()
$153
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:40 am -
2 stops8h 50m
Deal found 8/21![Southwest logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/38:29 pm -
2 stops41h 41m
Deal found 8/24![Frontier logo]()
$155
This Frontier deal was found by Cheapflights users on 8/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:15 pm -
1 stop11h 54m
Deal found 8/25![Frontier logo]()
$156
This United Airlines deal was found by Cheapflights users on 8/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop5h 48m
Deal found 8/24![United Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 8/22. 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 9/236:15 am -
2 stops28h 20m
Deal found 8/22![Frontier logo]()
$158
Find flight deals from LaGuardia to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from LaGuardia (LGA) 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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Southwest) |
One-way from | $147 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $431 |
Good round-trip deal | $307 or less |
Good one-way deal | $226 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from LaGuardia 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 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from New York LaGuardia Airport to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Wed 9/23
5:45 pm-7:35 pm
Nonstop2h 50m
Lambert-St Louis
Thu 9/24
8:00 pm-11:20 pm
Nonstop2h 20m
$293
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 10/1
6:20 pm-8:06 pm
Nonstop2h 46m
Lambert-St Louis
Tue 10/6
7:00 am-10:26 am
Nonstop2h 26m
$293
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Wed 11/4
9:59 am-11:47 am
Nonstop2h 48m
Lambert-St Louis
Sat 11/7
10:47 am-5:43 pm
1 stop5h 56m
$303
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 9/24
8:35 am-10:20 am
Nonstop2h 45m
Lambert-St Louis
Tue 9/29
3:45 pm-8:55 pm
1 stop4h 10m
$303
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 10/8
6:45 am-8:29 am
Nonstop2h 44m
Lambert-St Louis
Tue 10/13
5:35 pm-11:40 pm
1 stop5h 05m
$303
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Mon 11/23
6:59 am-8:55 am
Nonstop2h 56m
Lambert-St Louis
Fri 11/27
8:00 am-11:26 am
Nonstop2h 26m
$312
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Mon 10/5
6:05 am-7:45 am
Nonstop2h 40m
Lambert-St Louis
Fri 10/9
3:05 pm-9:25 pm
1 stop5h 20m
$322
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 10/9
6:45 am-8:29 am
Nonstop2h 44m
Lambert-St Louis
Tue 10/13
10:14 am-3:39 pm
1 stop4h 25m
$322
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Wed 9/9
5:45 pm-7:35 pm
Nonstop2h 50m
Lambert-St Louis
Sat 9/12
10:10 am-1:30 pm
Nonstop2h 20m
$323
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 10/30
8:55 am-12:15 pm
1 stop4h 20m
Lambert-St Louis
Tue 11/3
4:30 pm-10:35 pm
1 stop5h 05m
$327
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from LaGuardia 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 LaGuardia to St. Louis in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on New York LaGuardia Airport-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 York LaGuardia Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York LaGuardia Airport-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on New York LaGuardia Airport-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 York LaGuardia Airport-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 LaGuardia to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from LaGuardia with our price prediction graph.
LGA-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.
Cheapflights Insights
Everything you need to know about your flight from New York LaGuardia Airport to St. Louis
How far ahead should I book a flight from New York LaGuardia Airport to St. Louis?
To ensure you get the cheapest price possible for a flight from New York LaGuardia Airport to St. Louis, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from New York LaGuardia Airport to St. Louis?
Currently, October is the cheapest month in which you can book a flight from New York LaGuardia Airport to St. Louis (average of $329). Flying from New York LaGuardia Airport to St. Louis in July is currently the most expensive (average of $488). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from LGA to STL?
Find hourly flight availability from LaGuardia to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2026.
It’s typically best to fly out from New York LaGuardia Airport to St. Louis in the evening. Doing so could potentially save you 8% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from New York LaGuardia Airport to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from LaGuardia to St. Louis. Price data was last updated on August 22, 2026.
Travelers seeking maximum savings on their New York LaGuardia Airport to St. Louis flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for New York LaGuardia Airport to St. Louis flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your New York LaGuardia Airport to St. Louis trip
Our travel experts
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated August 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andAmerican Airlines from New York LaGuardia Airport to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Food
7.0
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreAnonymous,Feb 2025
MCO - STL
Related info for your journey
Find useful and relevant information for your journey from LaGuardia 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
Fairview Heights
O'Fallon
Fenton
Swansea
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from LaGuardia
Popular flights
St. Louis flight routes
Alternative routes for LaGuardia to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from LaGuardia to St. Louis by cabin class
Find flights from LaGuardia to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
LaGuardia and St. Louis flights
Browse other LaGuardia and St. Louis flight options. Last updated on August 26, 2026.
Other flights from LaGuardia
Browse through other flights departing from LaGuardia. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Top 3 airlines flying from LaGuardia to St. Louis
Discover the top 3 airlines that operate flights from LaGuardia to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$261 | Average$425 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$267 | Average$396 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$430 | FlexibilityNo cancel fee | On-time63% |