$59+ Cheap flights from Riverside, CA 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — STL
May 31 — Jun 71
Round-trip
1 adult, Economy
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Find cheap flights from Riverside 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 Riverside to Lambert-St Louis are usually found in October or September, booked 71 days in advance, depart on a Wednesday or Thursday and return on a Thursday
Cheap flight deals from Riverside to St. Louis
Cheapest
Best
Last-minute
One-way
Cheapest flights from Riverside to St. LouisExplore the most affordable flight options available from Riverside to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
Explore the most affordable flight options available from Riverside to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 7/286:30 am
LAX
- STL
1 stop10h 53m
Frontier
Sat 8/88:08 pm
STL
- LAX
1 stop6h 03m
Frontier
Deal found 4/27![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 6/1910:39 pm
LAX
- STL
2 stops17h 55m
Multiple Airlines
Tue 6/237:46 pm
STL
- LAX
1 stop15h 39m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$332
This CheapTickets deal was found by Cheapflights users on 4/27. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/116:00 am
LAX
- STL
1 stop10h 18m
Frontier
Thu 6/187:03 pm
STL
- LAX
1 stop6h 24m
Frontier
Deal found 4/27![Frontier logo]()
$333
This Frontier deal was found by Cheapflights users on 4/27. 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 5/216:30 am
LAX
- STL
1 stop10h 53m
Frontier
Sun 5/248:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/27![Frontier logo]()
$334
This Frontier deal was found by Cheapflights users on 4/28. 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 6/112:08 pm
LAX
- STL
1 stop6h 03m
Frontier
Sun 6/78:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/28![Frontier logo]()
$335
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:20 pm
LAX
- STL
1 stop7h 35m
Frontier
Sun 5/248:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/28![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 7/2310:15 pm
LAX
- STL
2 stops14h 34m
Frontier
Fri 7/312:52 pm
STL
- LAX
1 stop20h 32m
Frontier
Deal found 4/28![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/2211:59 pm
LAX
- STL
1 stop17h 32m
Multiple Airlines
Mon 5/258:08 pm
STL
- LAX
1 stop30h 08m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 6/46:30 am
LAX
- STL
1 stop10h 53m
Multiple Airlines
Mon 6/89:06 pm
STL
- LAX
1 stop16h 01m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$340
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2210:05 pm
LAX
- STL
2 stops17h 29m
Frontier
Tue 5/268:08 pm
STL
- LAX
1 stop14h 47m
Frontier
Deal found 4/28![Frontier logo]()
$341
Best flights from Riverside to St. LouisDiscover carefully curated flight deals from Riverside to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
Discover carefully curated flight deals from Riverside to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/2211:59 pm
LAX
- STL
1 stop17h 32m
Multiple Airlines
Mon 5/258:08 pm
STL
- LAX
1 stop30h 08m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 4/28. 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 6/95:00 am
LAX
- STL
Nonstop3h 40m
Southwest
Sat 6/134:55 pm
STL
- LAX
1 stop7h 20m
Southwest
Deal found 4/28![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 4/27. 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 5/296:15 am
LAX
- STL
1 stop8h 31m
Delta
Tue 6/22:27 pm
STL
- LAX
2 stops10h 15m
Delta
Deal found 4/27![Delta logo]()
$463
This Southwest deal was found by Cheapflights users on 4/26. 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 6/69:50 am
LAX
- STL
1 stop8h 10m
Southwest
Sun 6/710:50 pm
STL
- LAX
Nonstop3h 50m
Southwest
Deal found 4/26![Southwest logo]()
$398
This Southwest deal was found by Cheapflights users on 4/30. 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 6/45:05 am
LAX
- STL
2 stops7h 25m
Southwest
Wed 6/105:25 am
STL
- LAX
1 stop6h 15m
Southwest
Deal found 4/30![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 4/30. 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 6/44:20 pm
LAX
- STL
1 stop5h 35m
Southwest
Sun 6/710:50 pm
STL
- LAX
Nonstop3h 50m
Southwest
Deal found 4/30![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 4/29. 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 6/55:05 am
LAX
- STL
2 stops7h 30m
Southwest
Sun 6/75:45 am
STL
- LAX
2 stops7h 20m
Southwest
Deal found 4/29![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 4/28. 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 5/145:00 am
LAX
- STL
Nonstop3h 35m
Southwest
Tue 5/193:55 pm
STL
- LAX
1 stop8h 10m
Southwest
Deal found 4/28![Southwest logo]()
$460
This Southwest deal was found by Cheapflights users on 4/29. 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 5/52:05 pm
LAX
- STL
1 stop5h 40m
Southwest
Thu 5/79:40 pm
STL
- LAX
Nonstop4h 05m
Southwest
Deal found 4/29![Southwest logo]()
$485
Last-minute flights from Riverside to St. LouisDiscover last-minute flight deals from Riverside to St. Louis. Data last updated May 1, 2026 and is based on user searches.
Discover last-minute flight deals from Riverside to St. Louis. Data last updated May 1, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/26. 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 4/306:15 am
LAX
- STL
1 stop11h 06m
Frontier
Fri 5/88:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/26![Frontier logo]()
$337
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/38:30 am
LAX
- STL
2 stops36h 49m
Multiple Airlines
Sun 5/1012:36 pm
STL
- LAX
1 stop22h 27m
Multiple Airlines
Deal found 4/26![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/69:40 am
LAX
- STL
2 stops29h 14m
Frontier
Fri 5/89:18 pm
STL
- LAX
1 stop13h 45m
Frontier
Deal found 4/28![Frontier logo]()
$342
This Super.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/612:08 pm
LAX
- STL
1 stop21h 33m
Frontier
Thu 5/78:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/28![Frontier logo]()
$343
This Orbitz deal was found by Cheapflights users on 4/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:30 am
LAX
- STL
1 stop10h 53m
Frontier
Sun 5/1712:36 pm
STL
- LAX
1 stop22h 27m
Frontier
Deal found 4/28![Frontier logo]()
$345
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Wed 5/1312:08 pm
LAX
- STL
1 stop21h 33m
Frontier
Sun 5/1712:36 pm
STL
- LAX
1 stop22h 27m
Frontier
Deal found 4/28![Frontier logo]()
$348
This Frontier deal was found by Cheapflights users on 4/27. 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 5/216:30 am
LAX
- STL
1 stop10h 53m
Frontier
Sun 5/248:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/27![Frontier logo]()
$334
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2211:20 pm
LAX
- STL
1 stop7h 35m
Frontier
Sun 5/248:08 pm
STL
- LAX
1 stop6h 08m
Frontier
Deal found 4/28![Frontier logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/2211:59 pm
LAX
- STL
1 stop17h 32m
Multiple Airlines
Mon 5/258:08 pm
STL
- LAX
1 stop30h 08m
Multiple Airlines
Deal found 4/27![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 5/2210:05 pm
LAX
- STL
2 stops17h 29m
Frontier
Tue 5/268:08 pm
STL
- LAX
1 stop14h 47m
Frontier
Deal found 4/28![Frontier logo]()
$341
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/228:59 pm
LAX
- STL
1 stop20h 24m
Frontier
Mon 5/255:27 pm
STL
- LAX
2 stops27h 00m
Frontier
Deal found 4/26![Frontier logo]()
$347
One-way flights from Riverside to St. LouisSearch for one-way flight options from Riverside to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
Search for one-way flight options from Riverside to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 1, 2026.
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:30 am
LAX
- STL
1 stop10h 53m
Frontier
Deal found 4/29![Frontier logo]()
$59
This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:43 am
LAX
- STL
1 stop7h 40m
Frontier
Deal found 4/29![Frontier logo]()
$60
This Super.com deal was found by Cheapflights users on 4/30. 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.
Sun 5/245:45 am
LAX
- STL
1 stop6h 46m
Frontier
Deal found 4/30![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 4/28. 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 5/1912:08 pm
LAX
- STL
1 stop27h 58m
Frontier
Deal found 4/28![Frontier logo]()
$85
This CheapOair deal was found by Cheapflights users on 4/28. 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.
Sat 5/234:31 pm
LAX
- STL
1 stop24h 52m
Frontier
Deal found 4/28![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/269:40 am
LAX
- STL
1 stop7h 43m
Frontier
Deal found 4/30![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 4/26. 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.
Sun 5/105:45 am
LAX
- STL
1 stop7h 03m
Frontier
Deal found 4/26![Frontier logo]()
$99
Find flight deals from Riverside to St. Louis
Keep the following information in mind while searching for Riverside to St. Louis flight deals. Data was last updated May 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Kiwi.com) |
One-way from | $59 (Trip.com) |
Popular in | March |
Cheapest in | October |
Average price | $409 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside 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 May 1, 2026.
Use the filters below to find and compare flights from Riverside to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Fri 5/22
11:59 pm-7:31 pm
1 stop17h 32m
Lambert-St Louis
Mon 5/25
8:08 pm-12:16 am
1 stop30h 08m
$338
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 6/9
5:00 am-10:40 am
Nonstop3h 40m
Lambert-St Louis
Sat 6/13
4:55 pm-10:15 pm
1 stop7h 20m
$375
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Sat 6/6
9:50 am-8:00 pm
1 stop8h 10m
Lambert-St Louis
Sun 6/7
10:50 pm-12:40 am
Nonstop3h 50m
$398
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Thu 6/4
5:05 am-2:30 pm
2 stops7h 25m
Lambert-St Louis
Wed 6/10
5:25 am-9:40 am
1 stop6h 15m
$400
Quickest round-trip
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Thu 6/4
4:20 pm-11:55 pm
1 stop5h 35m
Lambert-St Louis
Sun 6/7
10:50 pm-12:40 am
Nonstop3h 50m
$418
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Fri 6/5
5:05 am-2:35 pm
2 stops7h 30m
Lambert-St Louis
Sun 6/7
5:45 am-11:05 am
2 stops7h 20m
$433
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Thu 5/14
5:00 am-10:35 am
Nonstop3h 35m
Lambert-St Louis
Tue 5/19
3:55 pm-10:05 pm
1 stop8h 10m
$460
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Fri 5/29
6:15 am-4:46 pm
1 stop8h 31m
Lambert-St Louis
Tue 6/2
2:27 pm-10:42 pm
2 stops10h 15m
$463
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Tue 5/5
2:05 pm-9:45 pm
1 stop5h 40m
Lambert-St Louis
Thu 5/7
9:40 pm-11:45 pm
Nonstop4h 05m
$485
Cheapest one-way
Los AngelesSt. Louis
LAX - STL
LAXSTL
Los Angeles
Mon 5/25
5:45 am-2:16 pm
1 stop6h 31m
$131
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from Riverside to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Riverside with our price prediction graph.
LAX-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 Riverside to St. Louis
R1V-STL
LAX-STL
What is the cheapest time of day to fly from R1V to STL?
Find hourly flight availability from Riverside 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 May 1, 2026.
It’s optimal to fly from Riverside to St. Louis in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Riverside to St. Louis?
Use this chart to determine the cheapest time to fly round-trip from Riverside to St. Louis. Price data was last updated on April 25, 2026.
Travelers seeking maximum savings on their Riverside to St. Louis flight should consider departing on Tuesday 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.
Weekly flight availability from Riverside to St. Louis
Explore weekly flight availability from Riverside to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 1, 2026.
The most flights from R1V to STL are scheduled on a Thursday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
How much does it cost to fly round-trip from Riverside to St. Louis?
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 May 1, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Riverside 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.
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Riverside 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
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus
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Top 7 airlines flying from Riverside to St. Louis
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$405 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$141 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$505 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$278 | Average$409 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$451 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$294 | Average$426 | FlexibilityNo cancel fee | On-time62% |