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St. Louis

$124+ Cheap flights from Richmond to St. Louis (RIC - 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
RIC — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Richmond to St. Louis

Cheapest flights from Richmond to St. Louis
Explore the most affordable flight options available from Richmond to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:29 am
RIC
-
STL
1 stop20h 22m
Multiple Airlines
Mon 2/238:22 pm
STL
-
RIC
2 stops24h 32m
Multiple Airlines
Deal found 1/29$158
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2012:12 pm
RIC
-
STL
1 stop19h 39m
Frontier
Fri 2/278:22 pm
STL
-
RIC
2 stops45h 22m
Frontier
Deal found 1/29$186
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/126:29 pm
RIC
-
STL
1 stop13h 53m
Multiple Airlines
Tue 3/174:51 pm
STL
-
RIC
1 stop23h 40m
Multiple Airlines
Deal found 1/28$196
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/67:24 pm
RIC
-
STL
1 stop12h 27m
Multiple Airlines
Sun 2/88:59 am
STL
-
RIC
1 stop25h 56m
Multiple Airlines
Deal found 1/28$221
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/1911:29 am
RIC
-
STL
1 stop20h 22m
Multiple Airlines
Sun 2/223:49 pm
STL
-
RIC
1 stop19h 24m
Multiple Airlines
Deal found 1/28$228
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:29 pm
RIC
-
STL
1 stop13h 48m
Multiple Airlines
Sun 3/2911:21 am
STL
-
RIC
2 stops33h 59m
Multiple Airlines
Deal found 1/29$237
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/256:29 pm
RIC
-
STL
1 stop13h 48m
Multiple Airlines
Mon 3/307:47 am
STL
-
RIC
1 stop8h 44m
Multiple Airlines
Deal found 1/29$239
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/136:29 pm
RIC
-
STL
1 stop13h 38m
Multiple Airlines
Tue 3/174:51 pm
STL
-
RIC
1 stop23h 40m
Multiple Airlines
Deal found 1/28$249

Find flight deals from Richmond to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Richmond (RIC) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$124
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$409
Provider with most accurate pricing for Richmond Byrd Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Richmond Byrd Intl-Lambert-St Louis flights.
Search Deals
From Richmond Byrd Intl to Lambert-St Louis
Search Deals
One-way flight from Richmond Byrd Intl to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Richmond 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 January 29, 2026.
Use the filters below to find and compare flights from Richmond to St. Louis that are best for you.

Fly from

Richmond

Fly to

St. Louis

Route

Depart

Return

Price

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

11:29 am-6:51 am

1 stop20h 22m

Lambert-St Louis

Mon 2/23

8:22 pm-9:54 pm

2 stops24h 32m

$158

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

11:29 am-6:51 am

1 stop20h 22m

Lambert-St Louis

Sun 2/22

3:49 pm-12:13 pm

1 stop19h 24m

$232

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 3/25

6:29 pm-7:17 am

1 stop13h 48m

Lambert-St Louis

Sun 3/29

11:21 am-10:20 pm

2 stops33h 59m

$237

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 3/25

6:29 pm-7:17 am

1 stop13h 48m

Lambert-St Louis

Mon 3/30

7:47 am-5:31 pm

1 stop8h 44m

$239

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/26

11:34 am-6:51 am

1 stop20h 17m

Lambert-St Louis

Sun 3/1

3:49 pm-9:40 am

2 stops16h 51m

$277

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 4/14

6:00 am-9:42 am

1 stop4h 42m

Lambert-St Louis

Wed 4/15

1:03 pm-6:49 pm

1 stop4h 46m

$297

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 5/14

6:00 am-11:09 am

1 stop6h 09m

Lambert-St Louis

Tue 5/19

7:05 am-3:00 pm

1 stop6h 55m

$309

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 3/25

5:35 am-9:05 am

1 stop4h 30m

Lambert-St Louis

Sat 3/28

1:00 pm-7:14 pm

1 stop5h 14m

$309

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 2/20

12:12 pm-6:51 am

1 stop19h 39m

Lambert-St Louis

Sun 2/22

3:49 pm-9:40 am

2 stops16h 51m

$310

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 3/12

6:00 am-10:50 am

1 stop5h 50m

Lambert-St Louis

Tue 3/17

3:10 pm-10:30 pm

2 stops6h 20m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 19 results
1
2

Compare providers for flights from Richmond 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 Richmond to St. Louis in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Richmond-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Richmond-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Richmond-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Richmond-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 Richmond-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 Richmond to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Richmond 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 Richmond to St. Louis

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

Use this chart to determine the optimal time to book a round-trip flight from Richmond to St. Louis. Price data was last updated on January 23, 2026.

To ensure you get the cheapest price possible for a flight from Richmond to St. Louis, you should look to book at least 32 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 Richmond to St. Louis?

Currently, September is the cheapest month in which you can book a flight from Richmond to St. Louis (average of $109). Flying from Richmond to St. Louis in January is currently the most expensive (average of $228). 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.

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 January 29, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Richmond to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,127 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,206 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Richmond to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Richmond to St. Louis?

    Departing from Richmond to St. Louis will take you 19h 39m. Richmond and St. Louis are separated by a distance of 713 mi.

  • What are the cheapest airlines flying from Richmond to St. Louis round-trip?

    Our cheapest airline available from Richmond to St. Louis is Southwest. Our recent data shows that you can find tickets from as low as $233 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $249 and $257 round-trip. Southwest is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $80. Users have also found prices from $137 and $138 on United Airlines and Delta, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Richmond 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 Richmond to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Richmond to St. Louis (average of $109). Flying from Richmond to St. Louis in January is currently the most expensive (average of $228). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Richmond to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Richmond to St. Louis

Discover the top 3 airlines that operate flights from Richmond 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$233Average$386FlexibilityNo cancel feeOn-time63%
DeltaCheapest$249Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$257Average$389FlexibilityNo cancel feeOn-time71%

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