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$136+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
RIC — STL
Feb 13 — Feb 201
Fri 2/13
Fri 2/20
1 adult, Economy
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Cheap 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 14, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$153
(Mytrip)

One-way from

$136
(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.
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Provider most trusted by Cheapflights users for Richmond Byrd Intl-Lambert-St Louis flights.
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From Richmond Byrd Intl to Lambert-St Louis
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One-way flight from Richmond Byrd Intl to Lambert-St Louis
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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 14, 2026.

This Mytrip deal was found by Cheapflights users on 1/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:30 pm
RIC
-
STL
1 stop19h 39m
Frontier
Sat 2/282:51 pm
STL
-
RIC
1 stop26h 53m
Frontier
Deal found 1/13$153
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Thu 2/1911:29 am
RIC
-
STL
1 stop20h 22m
Multiple Airlines
Mon 2/233:49 pm
STL
-
RIC
2 stops29h 05m
Multiple Airlines
Deal found 1/14$175
This Kiwi.com deal was found by Cheapflights users on 1/14. 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.
Fri 4/106:29 pm
RIC
-
STL
1 stop14h 22m
Multiple Airlines
Mon 4/138:41 am
STL
-
RIC
1 stop7h 50m
Multiple Airlines
Deal found 1/14$224
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Fri 2/2710:35 am
RIC
-
STL
1 stop21h 16m
Multiple Airlines
Fri 3/62:09 pm
STL
-
RIC
2 stops30h 45m
Multiple Airlines
Deal found 1/13$240
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Thu 2/2611:34 am
RIC
-
STL
1 stop20h 17m
Multiple Airlines
Sun 3/13:49 pm
STL
-
RIC
1 stop19h 24m
Multiple Airlines
Deal found 1/13$246
This Kiwi.com deal was found by Cheapflights users on 1/13. 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.
Mon 2/27:24 pm
RIC
-
STL
2 stops29h 09m
Multiple Airlines
Fri 2/65:42 pm
STL
-
RIC
1 stop17h 13m
Multiple Airlines
Deal found 1/13$250
This Kiwi.com deal was found by Cheapflights users on 1/13. 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 2/248:00 am
RIC
-
STL
2 stops15h 27m
Multiple Airlines
Sun 3/13:49 pm
STL
-
RIC
1 stop19h 24m
Multiple Airlines
Deal found 1/13$254

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 14, 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

3:49 pm-9:54 pm

2 stops29h 05m

$175

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 4/10

12:09 pm-11:55 pm

2 stops12h 46m

Lambert-St Louis

Mon 4/13

8:41 am-5:31 pm

1 stop7h 50m

$242

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 2/24

8:00 am-10:27 pm

2 stops15h 27m

Lambert-St Louis

Sun 3/1

3:49 pm-12:13 pm

1 stop19h 24m

$256

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 3/5

1:08 pm-7:02 am

1 stop18h 54m

Lambert-St Louis

Mon 3/9

2:09 pm-9:54 pm

2 stops30h 45m

$263

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/12

11:09 am-6:51 am

1 stop20h 42m

Lambert-St Louis

Thu 2/19

3:49 pm-11:17 am

2 stops18h 28m

$283

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 4/14

8:02 am-12:48 pm

1 stop5h 46m

Lambert-St Louis

Wed 4/15

11:25 am-6:29 pm

1 stop6h 04m

$303

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 4/8

1:40 pm-9:10 pm

2 stops8h 30m

Lambert-St Louis

Wed 4/15

1:45 pm-8:55 pm

1 stop6h 10m

$308

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 2/25

5:30 pm-9:00 pm

1 stop4h 30m

Lambert-St Louis

Sat 2/28

2:50 pm-10:25 pm

2 stops6h 35m

$316

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

6:25 am-10:36 am

1 stop5h 11m

Lambert-St Louis

Mon 2/23

7:41 am-1:48 pm

1 stop5h 07m

$325

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/5

10:22 am-3:04 pm

1 stop5h 42m

Lambert-St Louis

Thu 2/12

3:33 pm-9:58 pm

1 stop5h 25m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/12

Showing 1-10 of 20 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 Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Richmond-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 9, 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 $227). 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 14, 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
4,258 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
4,258 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
8,048 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
11,129 reviews
Southwest
8.0
Very good
4,258 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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.

  • 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 $271 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 $227). 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

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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 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$233Average$376FlexibilityNo cancel feeOn-time63%
DeltaCheapest$256Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$271Average$386FlexibilityNo cancel feeOn-time71%

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