$48+ Cheap flights from Las Vegas to St. Louis (LAS - 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — STL
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas 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 Las Vegas Harry Reid Intl to Lambert-St Louis are usually found in October or December, booked 87 days in advance, depart on a Thursday or Friday and return on a Monday
Cheap flight deals from Las Vegas to St. Louis
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Best
Last-minute
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Cheapest flights from Las Vegas to St. LouisExplore the most affordable flight options available from Las Vegas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
Explore the most affordable flight options available from Las Vegas to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Thu 8/202:20 pm
LAS
- STL
1 stop5h 35m
Southwest
Sun 8/233:30 pm
STL
- LAS
1 stop6h 05m
Southwest
Deal found 6/16![Southwest logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Thu 8/206:45 am
LAS
- STL
1 stop8h 45m
Frontier
Sun 8/238:21 pm
STL
- LAS
Nonstop3h 38m
Frontier
Deal found 6/16![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/2012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Thu 7/236:34 pm
STL
- LAS
1 stop27h 52m
Frontier
Deal found 6/16![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/3012:59 am
LAS
- STL
1 stop16h 24m
Frontier
Tue 7/147:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/13![Frontier logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/219:48 pm
LAS
- STL
2 stops19h 35m
Frontier
Wed 7/297:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/16![Frontier logo]()
$207
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/611:25 am
LAS
- STL
2 stops6h 45m
Southwest
Sun 8/98:25 am
STL
- LAS
2 stops6h 25m
Southwest
Deal found 6/11![Southwest logo]()
$209
This Frontier deal was found by Cheapflights users on 6/15. 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.
Wed 7/2912:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Wed 7/298:08 pm
STL
- LAS
1 stop5h 21m
Frontier
Deal found 6/15![Frontier logo]()
$210
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 am
LAS
- STL
1 stop6h 56m
Frontier
Wed 7/297:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/15![Frontier logo]()
$211
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:45 am
LAS
- STL
1 stop8h 45m
Frontier
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/12![Frontier logo]()
$212
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Sun 7/124:09 pm
STL
- LAS
1 stop21h 55m
Frontier
Deal found 6/16![Frontier logo]()
$213
This Priceline deal was found by Cheapflights users on 6/12. 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 7/811:30 am
LAS
- STL
1 stop10h 29m
Multiple Airlines
Sun 7/127:10 pm
STL
- LAS
Nonstop3h 33m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$214
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:15 am
LAS
- STL
1 stop10h 38m
Frontier
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/11![Frontier logo]()
$215
Best flights from Las Vegas to St. LouisDiscover carefully curated flight deals from Las Vegas to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Las Vegas to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Wed 7/226:35 am
LAS
- STL
Nonstop3h 10m
Southwest
Wed 7/229:15 pm
STL
- LAS
Nonstop3h 30m
Southwest
Deal found 6/16![Southwest logo]()
$297
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Tue 8/117:45 am
LAS
- STL
1 stop8h 19m
United Airlines
Sat 8/151:36 pm
STL
- LAS
2 stops8h 28m
United Airlines
Deal found 6/16![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:27 pm
LAS
- STL
2 stops12h 04m
Alaska Airlines
Wed 7/159:44 am
STL
- LAS
2 stops10h 57m
Alaska Airlines
Deal found 6/12![Alaska Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 6/15. 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 8/319:45 am
LAS
- STL
1 stop6h 10m
Southwest
Thu 9/38:25 am
STL
- LAS
2 stops7h 15m
Southwest
Deal found 6/15![Southwest logo]()
$335
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Tue 7/72:15 pm
LAS
- STL
2 stops7h 42m
United Airlines
Tue 7/145:10 am
STL
- LAS
2 stops11h 24m
United Airlines
Deal found 6/14![United Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 6/15. 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 7/115:00 am
LAS
- STL
1 stop7h 25m
Southwest
Sat 7/258:50 am
STL
- LAS
2 stops7h 05m
Southwest
Deal found 6/15![Southwest logo]()
$381
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:50 am
LAS
- STL
2 stops9h 42m
Alaska Airlines
Mon 7/278:01 am
STL
- LAS
2 stops11h 52m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:44 am
LAS
- STL
2 stops7h 54m
United Airlines
Fri 9/185:30 pm
STL
- LAS
1 stop7h 30m
United Airlines
Deal found 6/11![United Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:30 am
LAS
- STL
2 stops12h 10m
Alaska Airlines
Thu 9/1710:14 am
STL
- LAS
2 stops10h 13m
Alaska Airlines
Deal found 6/13![Alaska Airlines logo]()
$547
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sun 9/137:12 am
LAS
- STL
1 stop6h 26m
United Airlines
Sat 9/191:36 pm
STL
- LAS
2 stops8h 28m
United Airlines
Deal found 6/13![United Airlines logo]()
$521
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:44 am
LAS
- STL
2 stops7h 54m
United Airlines
Wed 9/165:10 am
STL
- LAS
2 stops10h 49m
United Airlines
Deal found 6/11![United Airlines logo]()
$575
Last-minute flights from Las Vegas to St. LouisDiscover last-minute flight deals from Las Vegas to St. Louis. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to St. Louis. Data last updated June 16, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:15 am
LAS
- STL
1 stop10h 38m
Frontier
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/11![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 6/3012:59 am
LAS
- STL
1 stop16h 24m
Frontier
Tue 7/147:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/13![Frontier logo]()
$206
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:45 am
LAS
- STL
1 stop8h 45m
Frontier
Sun 7/57:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/12![Frontier logo]()
$212
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:30 am
LAS
- STL
1 stop10h 23m
Frontier
Thu 7/167:10 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/16![Frontier logo]()
$209
This Delta deal was found by Cheapflights users on 6/12. 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 7/49:32 am
LAS
- STL
1 stop5h 14m
Delta
Thu 7/167:55 pm
STL
- LAS
1 stop5h 45m
Delta
Deal found 6/12![Delta logo]()
$217
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/812:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Sun 7/124:09 pm
STL
- LAS
1 stop21h 55m
Frontier
Deal found 6/16![Frontier logo]()
$213
This Priceline deal was found by Cheapflights users on 6/12. 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 7/811:30 am
LAS
- STL
1 stop10h 29m
Multiple Airlines
Sun 7/127:10 pm
STL
- LAS
Nonstop3h 33m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$214
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1412:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Wed 7/154:09 pm
STL
- LAS
1 stop31h 08m
Frontier
Deal found 6/12![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Mon 7/2012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Thu 7/236:34 pm
STL
- LAS
1 stop27h 52m
Frontier
Deal found 6/16![Frontier logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/219:48 pm
LAS
- STL
2 stops19h 35m
Frontier
Wed 7/297:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/16![Frontier logo]()
$207
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:00 am
LAS
- STL
1 stop6h 56m
Frontier
Wed 7/297:03 pm
STL
- LAS
Nonstop3h 33m
Frontier
Deal found 6/15![Frontier logo]()
$211
This Frontier deal was found by Cheapflights users on 6/15. 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.
Wed 7/2912:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Wed 7/298:08 pm
STL
- LAS
1 stop5h 21m
Frontier
Deal found 6/15![Frontier logo]()
$210
One-way flights from Las Vegas to St. LouisSearch for one-way flight options from Las Vegas to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Las Vegas to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Sat 8/1512:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/16![Frontier logo]()
$48
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/1512:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/16![Frontier logo]()
$49
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/12![Frontier logo]()
$54
This Frontier deal was found by Cheapflights users on 6/12. 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.
Tue 7/712:40 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/12![Frontier logo]()
$55
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/48:45 am
LAS
- STL
Nonstop3h 21m
Frontier
Deal found 6/12![Frontier logo]()
$56
This Frontier deal was found by Cheapflights users on 6/12. 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 7/1012:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/12![Frontier logo]()
$57
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 7/612:50 pm
LAS
- STL
Nonstop3h 25m
Frontier
Deal found 6/14![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 6/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:35 am
LAS
- STL
Nonstop3h 16m
Frontier
Deal found 6/16![Frontier logo]()
$94
This Southwest deal was found by Cheapflights users on 6/15. 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.
Tue 7/711:50 am
LAS
- STL
1 stop4h 35m
Southwest
Deal found 6/15![Southwest logo]()
$95
This Southwest deal was found by Cheapflights users on 6/12. 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 7/47:40 am
LAS
- STL
Nonstop3h 15m
Southwest
Deal found 6/12![Southwest logo]()
$100
This Delta deal was found by Cheapflights users on 6/16. 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.
Fri 8/219:31 am
LAS
- STL
1 stop5h 13m
Delta
Deal found 6/16![Delta logo]()
$109
Find flight deals from Las Vegas to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $199 (Southwest) |
One-way from | $48 (Kiwi.com) |
Popular in | May |
Cheapest in | October |
Average price | $312 |
Good round-trip deal | $294 or less |
Good one-way deal | $207 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Las Vegas 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 June 16, 2026.
Use the filters below to find and compare flights from Las Vegas to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Wed 7/22
6:35 am-11:45 am
Nonstop3h 10m
Lambert-St Louis
Wed 7/22
9:15 pm-10:45 pm
Nonstop3h 30m
$297
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Tue 8/11
7:45 am-6:04 pm
1 stop8h 19m
Lambert-St Louis
Sat 8/15
1:36 pm-8:04 pm
2 stops8h 28m
$312
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Mon 8/31
9:45 am-5:55 pm
1 stop6h 10m
Lambert-St Louis
Thu 9/3
8:25 am-1:40 pm
2 stops7h 15m
$335
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Sat 7/11
5:00 am-2:25 pm
1 stop7h 25m
Lambert-St Louis
Sat 7/25
8:50 am-1:55 pm
2 stops7h 05m
$381
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Tue 7/7
2:15 pm-11:57 pm
2 stops7h 42m
Lambert-St Louis
Tue 7/14
5:10 am-2:34 pm
2 stops11h 24m
$408
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Sat 9/12
10:44 am-8:38 pm
2 stops7h 54m
Lambert-St Louis
Fri 9/18
5:30 pm-11:00 pm
1 stop7h 30m
$490
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Tue 7/14
6:27 pm-8:31 am
2 stops12h 04m
Lambert-St Louis
Wed 7/15
9:44 am-6:41 pm
2 stops10h 57m
$516
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Sun 9/13
7:12 am-3:38 pm
1 stop6h 26m
Lambert-St Louis
Sat 9/19
1:36 pm-8:04 pm
2 stops8h 28m
$521
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Thu 7/23
6:50 am-6:32 pm
2 stops9h 42m
Lambert-St Louis
Mon 7/27
8:01 am-5:53 pm
2 stops11h 52m
$532
Las VegasSt. Louis
LAS - STL
LASSTL
Las Vegas Harry Reid Intl
Sat 9/12
9:30 am-11:40 pm
2 stops12h 10m
Lambert-St Louis
Thu 9/17
10:14 am-6:27 pm
2 stops10h 13m
$547
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Las Vegas 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 Las Vegas to St. Louis in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Las Vegas-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Las Vegas-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 Las Vegas-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 Las Vegas to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Las Vegas with our price prediction graph.
LAS-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 Las Vegas to St. Louis
Prices
Airlines
How far ahead should I book a flight from Las Vegas to St. Louis?
To ensure you get the cheapest price possible for a flight from Las Vegas to St. Louis, you should look to book at least 70 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 Las Vegas to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Las Vegas to St. Louis (average of $161). Flying from Las Vegas to St. Louis in May is currently the most expensive (average of $344). 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 LAS to STL?
Find hourly flight availability from Las Vegas 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 June 16, 2026.
One of the essential ways to save on airfare from Las Vegas to St. Louis is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 48% on airfare.
The best insider tips for Las Vegas 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 Las Vegas 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 June 16, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Las Vegas to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
7.9
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Las Vegas 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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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Las Vegas to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Las Vegas and St. Louis flights
Browse other Las Vegas and St. Louis flight options. Last updated on June 16, 2026.
Other flights from Las Vegas
Browse through other flights departing from Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on June 16, 2026.
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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 June 16, 2026.
Top 5 airlines flying from Las Vegas to St. Louis
Discover the top 5 airlines that operate flights from Las Vegas 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 2,558,603 searches. Data last updated June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$220 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$144 | Average$412 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$312 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$217 | Average$447 | FlexibilityNo cancel fee | On-time63% |