How popular is this Riverside to St. Louis flight route?

Flights from Riverside to Lambert-St Louis have been viewed 24 times in the past calendar month.

How long is the flight from Riverside to St. Louis?

For as low as $305, Frontier can have you in St. Louis from Riverside in 5h 15m. The distance between Riverside and St. Louis is about 1588 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from Riverside to St. Louis one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $67. Users have also found prices from $130 and $142 on Delta and American Airlines, respectively.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the cheapest flights from Riverside to St. Louis?

Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Los Angeles - Lambert-St Louis) can be booked for $151 on average, our data indicates $364 when flying from Riverside to St. Louis.

What are the most reliable airlines from Riverside to St. Louis?

Before booking your flight to St. Louis from Riverside, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (80%), American Airlines (80%), Cathay Pacific( 75%).

What are the most popular airlines that fly from Riverside to St. Louis?

Before booking your flight from Riverside to St. Louis check out the most popular airlines for this route: Southwest, American Airlines or Frontier.

What airport do you fly into for flights to St. Louis from Riverside?

Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Riverside. On average, Lambert-St Louis has 5 inbound flights from Riverside per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

Can I find deals for flights from Riverside to St. Louis that include hotel bookings?

Yes. In addition to deals on Riverside to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Riverside to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to St. Louis.

Can I find deals for business class flights from Riverside to St. Louis?

Yes. Cheapflights offers flight deals from Riverside to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$66+ Flights from Riverside to St. Louis

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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 April, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Riverside to St. Louis

Cheapest flights from Riverside to St. Louis
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 diciembre 16, 2025.

mar. 12/233:30 pmLAX - STL

1 stop22h 54mFrontier

dom. 1/410:10 pmSTL - LAX

1 stop24h 21mFrontier

Deal found 12/16

$235

mié. 12/2410:45 pmLAX - STL

1 stop8h 55mFrontier

sáb. 1/310:10 pmSTL - LAX

1 stop16h 06mFrontier

Deal found 12/15

$240

mar. 12/309:20 pmLAX - STL

2 stops10h 42mMultiple Airlines

sáb. 1/310:10 pmSTL - LAX

1 stop16h 06mMultiple Airlines

Deal found 12/15

$252

lun. 12/223:30 pmLAX - STL

1 stop27h 55mFrontier

lun. 1/510:10 pmSTL - LAX

1 stop23h 11mFrontier

Deal found 12/15

$253

mar. 12/167:00 amLAX - STL

1 stop25h 14mFrontier

vie. 1/28:42 pmSTL - LAX

1 stop12h 56mFrontier

Deal found 12/15

$255

mar. 12/303:30 pmLAX - STL

1 stop22h 54mFrontier

sáb. 1/37:43 pmSTL - LAX

1 stop13h 59mFrontier

Deal found 12/16

$258

mié. 12/242:22 pmLAX - STL

2 stops24h 02mFrontier

lun. 1/510:10 pmSTL - LAX

1 stop14h 26mFrontier

Deal found 12/15

$259

vie. 12/199:15 amLAX - STL

1 stop8h 32mFrontier

vie. 1/28:42 pmSTL - LAX

1 stop12h 56mFrontier

Deal found 12/16

$268

vie. 12/199:15 amLAX - STL

1 stop8h 32mFrontier

dom. 1/410:10 pmSTL - LAX

1 stop24h 21mFrontier

Deal found 12/16

$269

jue. 12/183:30 pmLAX - STL

1 stop27h 55mFrontier

lun. 12/2210:10 pmSTL - LAX

1 stop24h 21mFrontier

Deal found 12/15

$275

dom. 12/2810:03 pmLAX - STL

1 stop21h 22mFrontier

jue. 1/15:19 pmSTL - LAX

1 stop20h 57mFrontier

Deal found 12/16

$294

Best flights from Riverside to St. Louis
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 diciembre 16, 2025.

vie. 1/166:01 amLAX - STL

1 stop10h 31mFrontier

lun. 1/191:35 pmSTL - LAX

1 stop6h 00mFrontier

Deal found 12/15

$270

sáb. 1/179:55 amLAX - STL

2 stops11h 30mDelta

sáb. 1/246:40 amSTL - LAX

2 stops11h 58mDelta

Deal found 12/16

$274

sáb. 1/176:35 amLAX - STL

1 stop5h 15mSouthwest

sáb. 1/2410:25 amSTL - LAX

Nonstop4h 20mSouthwest

Deal found 12/14

$305

vie. 4/1011:59 pmLAX - STL

1 stop20h 34mFrontier

dom. 4/1210:44 pmSTL - LAX

1 stop23h 21mFrontier

Deal found 12/14

$273

mar. 2/175:50 amLAX - STL

Nonstop3h 40mSouthwest

vie. 2/207:00 pmSTL - LAX

Nonstop4h 15mSouthwest

Deal found 12/16

$310

mié. 3/411:45 amLAX - STL

2 stops10h 40mDelta

mar. 3/102:22 pmSTL - LAX

2 stops10h 25mDelta

Deal found 12/15

$314

dom. 2/15:50 amLAX - STL

Nonstop3h 40mSouthwest

mié. 2/410:25 amSTL - LAX

Nonstop4h 20mSouthwest

Deal found 12/15

$310

sáb. 1/315:45 amLAX - STL

1 stop6h 03mDelta

mar. 2/311:23 amSTL - LAX

1 stop7h 26mDelta

Deal found 12/16

$315

dom. 1/255:50 amLAX - STL

Nonstop3h 40mSouthwest

mié. 1/2810:25 amSTL - LAX

Nonstop4h 20mSouthwest

Deal found 12/15

$310

mié. 2/45:45 amLAX - STL

1 stop6h 03mDelta

sáb. 2/73:31 pmSTL - LAX

1 stop7h 47mDelta

Deal found 12/16

$315

Last-minute flights from Riverside to St. Louis
Discover last-minute flight deals from Riverside to St. Louis. Data last updated diciembre 16, 2025 and is based on user searches.

mar. 12/233:30 pmLAX - STL

1 stop22h 54mFrontier

dom. 1/410:10 pmSTL - LAX

1 stop24h 21mFrontier

Deal found 12/16

$235

jue. 1/13:58 pmLAX - STL

1 stop16h 04mFrontier

dom. 1/410:10 pmSTL - LAX

1 stop24h 21mFrontier

Deal found 12/15

$220

mié. 1/711:31 amLAX - STL

1 stop22h 41mFrontier

dom. 1/119:46 pmSTL - LAX

1 stop23h 35mFrontier

Deal found 12/16

$218

jue. 1/84:33 pmLAX - STL

2 stops20h 15mFrontier

sáb. 1/107:43 pmSTL - LAX

1 stop14h 54mFrontier

Deal found 12/14

$221

vie. 1/91:15 pmLAX - STL

2 stops18h 47mMultiple Airlines

dom. 1/119:46 pmSTL - LAX

1 stop12h 36mMultiple Airlines

Deal found 12/16

$211

lun. 1/191:48 pmLAX - STL

2 stops39h 03mMultiple Airlines

jue. 1/2210:01 pmSTL - LAX

1 stop13h 26mMultiple Airlines

Deal found 12/16

$231

lun. 1/196:01 amLAX - STL

1 stop10h 50mFrontier

lun. 1/199:03 pmSTL - LAX

1 stop15h 51mFrontier

Deal found 12/15

$233

mar. 1/2011:30 amLAX - STL

2 stops25h 16mFrontier

jue. 1/2210:01 pmSTL - LAX

1 stop13h 26mFrontier

Deal found 12/16

$229

dom. 1/256:30 amLAX - STL

1 stop28h 20mFrontier

mié. 1/283:46 pmSTL - LAX

2 stops22h 05mFrontier

Deal found 12/15

$239

lun. 1/261:13 pmLAX - STL

1 stop5h 37mFrontier

mié. 1/283:46 pmSTL - LAX

1 stop9h 45mFrontier

Deal found 12/16

$216

vie. 1/306:30 amLAX - STL

1 stop10h 14mFrontier

lun. 2/21:40 pmSTL - LAX

1 stop12h 50mFrontier

Deal found 12/15

$217

vie. 1/302:51 pmLAX - STL

2 stops14h 00mMultiple Airlines

vie. 2/67:39 pmSTL - LAX

1 stop6h 51mMultiple Airlines

Deal found 12/16

$226

One-way flights from Riverside to St. Louis
Search for one-way flight options from Riverside to St. Louis. Find affordable one-way fares based on user searches. Data last updated diciembre 16, 2025.

mié. 1/147:10 amLAX - STL

1 stop5h 38mFrontier

Deal found 12/15

$66

mié. 3/46:20 amLAX - STL

1 stop7h 33mFrontier

Deal found 12/15

$67

mié. 2/116:20 amLAX - STL

1 stop7h 33mFrontier

Deal found 12/15

$68

jue. 1/153:32 pmLAX - STL

1 stop19h 08mFrontier

Deal found 12/15

$74

mar. 2/172:31 pmLAX - STL

1 stop23h 22mFrontier

Deal found 12/16

$80

vie. 1/169:17 amLAX - STL

1 stop9h 57mMultiple Airlines

Deal found 12/16

$82

mar. 1/132:58 pmLAX - STL

1 stop21h 50mFrontier

Deal found 12/16

$85

jue. 2/129:12 amLAX - STL

1 stop10h 14mMultiple Airlines

Deal found 12/16

$88

dom. 1/119:46 pmLAX - STL

1 stop12h 26mFrontier

Deal found 12/14

$89

jue. 2/125:49 pmLAX - STL

2 stops35h 02mFrontier

Deal found 12/15

$91

Find flight deals from Riverside to St. Louis

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$211 (Kiwi.com)
One-way from	$66 (WAYA)
Popular in	June
Cheapest in	October
Average price	$420

Provider with most accurate pricing for Los Angeles-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Lambert-St Louis flights.

Search Deals

From Riverside to Lambert-St Louis

Search Deals

One-way flight from Riverside to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Price

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

vie. 1/16

6:01 am-6:32 pm

1 stop10h 31m

Lambert-St Louis

lun. 1/19

1:35 pm-5:35 pm

1 stop6h 00m

$270

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

vie. 4/10

11:59 pm-10:33 pm

1 stop20h 34m

Lambert-St Louis

dom. 4/12

10:44 pm-8:05 pm

1 stop23h 21m

$273

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

sáb. 1/17

9:55 am-11:25 pm

2 stops11h 30m

Lambert-St Louis

sáb. 1/24

6:40 am-4:38 pm

2 stops11h 58m

$274

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

sáb. 1/17

6:35 am-1:50 pm

1 stop5h 15m

Lambert-St Louis

sáb. 1/24

10:25 am-12:45 pm

Nonstop4h 20m

$305

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mar. 2/17

5:50 am-11:30 am

Nonstop3h 40m

Lambert-St Louis

vie. 2/20

7:00 pm-9:15 pm

Nonstop4h 15m

$310

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

dom. 2/1

5:50 am-11:30 am

Nonstop3h 40m

Lambert-St Louis

mié. 2/4

10:25 am-12:45 pm

Nonstop4h 20m

$310

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

dom. 1/25

5:50 am-11:30 am

Nonstop3h 40m

Lambert-St Louis

mié. 1/28

10:25 am-12:45 pm

Nonstop4h 20m

$310

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mié. 3/4

11:45 am-12:25 am

2 stops10h 40m

Lambert-St Louis

mar. 3/10

2:22 pm-10:47 pm

2 stops10h 25m

$314

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

sáb. 1/31

5:45 am-1:48 pm

1 stop6h 03m

Lambert-St Louis

mar. 2/3

11:23 am-4:49 pm

1 stop7h 26m

$315

Los AngelesSt. Louis

LAX - STL

LAXSTL

Los Angeles

mié. 2/4

5:45 am-1:48 pm

1 stop6h 03m

Lambert-St Louis

sáb. 2/7

3:31 pm-9:18 pm

1 stop7h 47m

$315

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 21 results

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.

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

How far ahead should I book a flight from Riverside to St. Louis?

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Riverside to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Riverside to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Riverside to St. Louis (average of $71). Flying from Riverside to St. Louis in March is currently the most expensive (average of $220). 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 R1V to STL?

It’s optimal to fly from Riverside to St. Louis in the evening. By choosing this option you can save up to 36% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Riverside to St. Louis?

Travelers seeking maximum savings on their Riverside to St. Louis flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Southwest, Delta, and United 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.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

American Airlines

7.2

Good

11,049 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Frontier

5.8

Fair

3,082 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

10.0

Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

What airport do you fly into for flights to St. Louis from Riverside?
Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Riverside. On average, Lambert-St Louis has 5 inbound flights from Riverside per day from 6 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.
How popular is this Riverside to St. Louis flight route?
Flights from Riverside to Lambert-St Louis have been viewed 24 times in the past calendar month.
How long is the flight from Riverside to St. Louis?
For as low as $305, Frontier can have you in St. Louis from Riverside in 5h 15m. The distance between Riverside and St. Louis is about 1588 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from Riverside to St. Louis one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $67. Users have also found prices from $130 and $142 on Delta and American Airlines, respectively.
What are the most reliable airlines from Riverside to St. Louis?
Before booking your flight to St. Louis from Riverside, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (80%), American Airlines (80%), Cathay Pacific( 75%).
What are the cheapest flights from Riverside to St. Louis?
Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Los Angeles - Lambert-St Louis) can be booked for $151 on average, our data indicates $364 when flying from Riverside to St. Louis.
Can I find deals for flights from Riverside to St. Louis that include hotel bookings?
Yes. In addition to deals on Riverside to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Riverside to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Riverside to St. Louis.
Can I find deals for business class flights from Riverside to St. Louis?
Yes. Cheapflights offers flight deals from Riverside to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Riverside to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Riverside to St. Louis (average of $71). Flying from Riverside to St. Louis in March is currently the most expensive (average of $220). 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.

See more FAQs

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Other flights to St. Louis

Top 6 airlines flying from Riverside to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$139	Average$227	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$248	Average$397	FlexibilityNo cancel fee	On-timeN/A
Alaska Airlines	Cheapest$257	Average$487	FlexibilityNo cancel fee	On-time75%
American Airlines	Cheapest$278	Average$411	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$283	Average$433	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$292	Average$464	FlexibilityNo cancel fee	On-time69%

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$66+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Riverside to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Riverside to Lambert-St Louis are usually found in October or April, booked 51 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from Riverside to St. Louis

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 diciembre 16, 2025.

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 diciembre 16, 2025.

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 diciembre 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Riverside to St. Louis that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Riverside to St. Louis

How far ahead should I book a flight from Riverside to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to St. Louis. Price data was last updated on December 12, 2025.

What is the cheapest month to book a flight from Riverside to St. Louis?

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 diciembre 16, 2025.

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 December 13, 2025.

Reviews of airlines servicing St. Louis

See what other customers who have flown with Southwest, Delta, and United 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.

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.

What airport do you fly into for flights to St. Louis from Riverside?

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What are the cheapest airlines to fly from Riverside to St. Louis one-way?

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What are the cheapest flights from Riverside to St. Louis?

Can I find deals for flights from Riverside to St. Louis that include hotel bookings?

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Alternative routes for Riverside to St. Louis

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Top 6 airlines flying from Riverside to St. Louis

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Cheapest flights from Riverside to St. Louis
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 diciembre 16, 2025.