$147+ Cheap flights from LaGuardia, NY (LGA) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LGA — STL
Oct 21 — Oct 281
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 September 21, 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 September 21, 2026.
This Delta deal was found by Cheapflights users on 9/18. 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 10/159:59 am -
Nonstop2h 48m
Tue 10/2010:14 am -
1 stop4h 25m
Deal found 9/18![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 9/21. 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.
Thu 10/156:05 am -
Nonstop2h 40m
Mon 10/193:35 pm -
Nonstop2h 20m
Deal found 9/21![Southwest logo]()
$293
This Southwest deal was found by Cheapflights users on 9/16. 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 12/57:40 am -
1 stop9h 40m
Mon 12/72:20 pm -
2 stops6h 50m
Deal found 9/16![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 9/17. 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 11/52:30 pm -
1 stop9h 10m
Tue 11/178:25 am -
2 stops7h 20m
Deal found 9/17![Southwest logo]()
$295
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/266:30 am -
1 stop12h 10m
Wed 10/286:44 pm -
1 stop12h 50m
Deal found 9/18![Frontier logo]()
$296
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 pm -
2 stops22h 53m
Fri 10/304:26 pm -
2 stops27h 20m
Deal found 9/19![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 9/18. 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.
Fri 10/309:29 am -
1 stop9h 11m
Mon 11/212:14 pm -
1 stop6h 21m
Deal found 9/18![Frontier logo]()
$298
This Southwest deal was found by Cheapflights users on 9/16. 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 11/236:35 pm -
Nonstop3h 05m
Fri 11/275:30 am -
Nonstop2h 20m
Deal found 9/16![Southwest logo]()
$299
This Delta deal was found by Cheapflights users on 9/16. 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 10/126:45 am -
Nonstop2h 44m
Wed 10/147:00 am -
Nonstop2h 26m
Deal found 9/16![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 9/19. 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 10/107:01 am -
1 stop4h 49m
Mon 10/126:00 am -
Nonstop2h 29m
Deal found 9/19![American Airlines logo]()
$304
This Cheapflightsfares deal was found by Cheapflights users on 9/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:29 am -
1 stop9h 11m
Mon 11/1612:14 pm -
1 stop6h 21m
Deal found 9/17![Frontier logo]()
$305
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 September 21, 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 September 21, 2026.
This Southwest deal was found by Cheapflights users on 9/20. 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 11/188:00 am -
1 stop6h 20m
Sat 11/218:05 pm -
Nonstop2h 15m
Deal found 9/20![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 9/16. 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
Mon 10/126:47 am -
1 stop4h 01m
Deal found 9/16![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/19. 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 10/156:00 am -
1 stop5h 51m
Mon 10/197:00 am -
1 stop5h 36m
Deal found 9/19![Delta logo]()
$313
This Delta deal was found by Cheapflights users on 9/20. 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 12/243:55 pm -
Nonstop3h 04m
Tue 12/295:21 pm -
Nonstop2h 39m
Deal found 9/20![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 9/16. 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 10/97:50 pm -
Nonstop2h 25m
Deal found 9/16![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 9/20. 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 11/61:50 pm -
Nonstop2h 49m
Wed 11/116:40 am -
1 stop6h 16m
Deal found 9/20![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 9/16. 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 12/216:30 pm -
Nonstop3h 01m
Thu 12/311:15 pm -
Nonstop2h 32m
Deal found 9/16![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 9/17. 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 10/71:59 pm -
1 stop5h 16m
Thu 10/86:47 am -
1 stop4h 01m
Deal found 9/17![Delta logo]()
$334
This Delta deal was found by Cheapflights users on 9/18. 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 10/306:59 am -
1 stop4h 52m
Mon 11/210:25 am -
1 stop5h 14m
Deal found 9/18![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 9/16. 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 12/217:00 am -
1 stop5h 52m
Fri 1/11:15 pm -
Nonstop2h 32m
Deal found 9/16![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/20. 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 11/189:47 am -
Nonstop3h 01m
Sun 11/225:30 pm -
1 stop5h 11m
Deal found 9/20![Delta logo]()
$376
This Delta deal was found by Cheapflights users on 9/17. 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 10/1010:25 am -
Nonstop2h 52m
Mon 10/125:31 pm -
Nonstop2h 29m
Deal found 9/17![Delta logo]()
$389
Last-minute flights from LaGuardia to St. LouisDiscover last-minute flight deals from LaGuardia to St. Louis. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from LaGuardia to St. Louis. Data last updated September 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/76:15 am -
1 stop7h 55m
Wed 10/216:35 pm -
2 stops24h 09m
Deal found 9/16![Frontier logo]()
$306
This Delta deal was found by Cheapflights users on 9/16. 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
Mon 10/126:47 am -
1 stop4h 01m
Deal found 9/16![Delta logo]()
$308
This Delta deal was found by Cheapflights users on 9/17. 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 10/1010:25 am -
Nonstop2h 52m
Tue 10/1310:00 am -
Nonstop2h 21m
Deal found 9/17![Delta logo]()
$294
This American Airlines deal was found by Cheapflights users on 9/16. 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 10/106:54 am -
Nonstop2h 52m
Mon 10/126:00 am -
Nonstop2h 29m
Deal found 9/16![American Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/16. 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 10/126:45 am -
Nonstop2h 44m
Wed 10/147:00 am -
Nonstop2h 26m
Deal found 9/16![Delta logo]()
$301
This Delta deal was found by Cheapflights users on 9/18. 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 10/159:59 am -
Nonstop2h 48m
Tue 10/2010:14 am -
1 stop4h 25m
Deal found 9/18![Delta logo]()
$292
This Southwest deal was found by Cheapflights users on 9/21. 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.
Thu 10/156:05 am -
Nonstop2h 40m
Mon 10/193:35 pm -
Nonstop2h 20m
Deal found 9/21![Southwest logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 10/266:30 am -
1 stop12h 10m
Wed 10/286:44 pm -
1 stop12h 50m
Deal found 9/18![Frontier logo]()
$296
This Mytrip deal was found by Cheapflights users on 9/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:30 pm -
2 stops22h 53m
Fri 10/304:26 pm -
2 stops27h 20m
Deal found 9/19![Frontier logo]()
$297
This Frontier deal was found by Cheapflights users on 9/18. 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.
Fri 10/309:29 am -
1 stop9h 11m
Mon 11/212:14 pm -
1 stop6h 21m
Deal found 9/18![Frontier logo]()
$298
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 September 21, 2026.
Search for one-way flight options from LaGuardia to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Delta deal was found by Cheapflights users on 9/19. 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 10/179:59 am -
Nonstop2h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Delta logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 11/146:30 am -
2 stops41h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 12/86:30 am -
2 stops29h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$149
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:29 pm -
2 stops22h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/226:00 am -
1 stop7h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$151
This Southwest deal was found by Cheapflights users on 9/18. 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
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Southwest logo]()
$152
This Expedia deal was found by Cheapflights users on 9/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:30 am -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$153
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:30 am -
1 stop12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$154
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/136:00 am -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 11/86:30 am -
2 stops29h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$156
This United Airlines deal was found by Cheapflights users on 9/18. 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 10/177:23 am -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$157
This Delta deal was found by Cheapflights users on 9/16. 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 10/221:50 pm -
Nonstop2h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta 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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $292 (Delta) |
One-way from | $147 (Delta) |
Popular in | July |
Cheapest in | October |
Average price | $372 |
Good round-trip deal | $318 or less |
Good one-way deal | $196 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 September 21, 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 10/21
6:25 pm-8:14 pm
Nonstop2h 49m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$147
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 10/15
6:00 am-12:13 pm
1 stop7h 13m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 11/5
11:20 am-3:43 pm
1 stop5h 23m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$157
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Mon 10/26
6:45 am-8:29 am
Nonstop2h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$158
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Thu 11/5
9:59 am-11:47 am
Nonstop2h 48m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$158
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 1/29
6:55 pm-8:51 pm
Nonstop2h 56m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 10/16
6:00 pm-11:54 pm
1 stop6h 54m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$169
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 12/25
9:55 am-11:59 am
Nonstop3h 04m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 11/6
6:45 am-8:29 am
Nonstop2h 44m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
New YorkSt. Louis
LGA New York LaGuardia - STL Lambert-St Louis
LGASTL
New York LaGuardia
Fri 10/23
1:50 pm-3:39 pm
Nonstop2h 49m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$173
Showing 1-10 of 24 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 September.
| 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 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
Prices
Airlines
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 $357). 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 September 21, 2026.
It’s typically best to fly out from New York LaGuardia Airport to St. Louis in the morning. Doing so could potentially save you 3% 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 September 19, 2026.
Travelers seeking maximum savings on their New York LaGuardia Airport to St. Louis flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday at noon 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 September 21, 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - STL
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
10.0
ExcellentCourtney,Sep 2026
DEN - 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 locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Collinsville
Edwardsville
Glencoe
Chesterfield
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 September 21, 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 September 21, 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 September 21, 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 September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$267 | Average$434 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$282 | Average$418 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$293 | Average$439 | FlexibilityNo cancel fee | On-time63% |