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

Our cheapest airline available from Richmond to St. Louis is Spirit Airlines. Our recent data shows that you can find tickets from as low as $217 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $243 and $257 round-trip. Spirit Airlines is 43% 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 Spirit Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $144 and $154 on American Airlines and Southwest, respectively.

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

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

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

Consider American Airlines, Delta or Southwest when booking your flight. These represent the most popular airlines when flying from Richmond to St. Louis.

What is the cheapest day to fly round-trip from Richmond to St. Louis?

Sunday flights are generally found to be more expensive for flights from Richmond to St. Louis. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to St. Louis.

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

To save up to 260% on this flight, we recommend booking at least 27 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Richmond to St. Louis from $454 1-2 weeks out and tickets from $640 for flights departing within the next 72 hours.

What is the cheapest month to fly from Richmond to St. Louis?

The best pricing can be found in the month of April. Prices to St. Louis from Richmond average $384. You can even find prices in April for less than $384, as users have found deals to St. Louis from as low as $286. The month of January appears to be one of the more expensive times to travel to St. Louis from Richmond. Flying in the targeted month can save you up to 14%.

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.

$89+ Flights from Richmond to St. Louis

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Cheapflights Tip: The best prices from Richmond Byrd Intl to Lambert-St Louis are usually found in April or August, booked 26 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Richmond to St. Louis

Round-trip from	$217 (FlightHub)
One-way from	$89 (FlightHub)
Popular in	January
Cheapest in	April
Average price	$407

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 ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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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 June 12, 2025.

Thu 8/1410:20 amRIC - STL

1 stop9h 12mSpirit Airlines

Mon 8/188:44 amSTL - RIC

1 stop22h 57mSpirit Airlines

Deal found 6/10

$217

Thu 8/144:12 pmRIC - STL

2 stops16h 37mMultiple Airlines

Mon 8/188:44 amSTL - RIC

1 stop22h 57mMultiple Airlines

Deal found 6/10

$230

Mon 9/811:51 amRIC - STL

1 stop9h 34mAmerican Airlines

Mon 9/159:56 amSTL - RIC

1 stop8h 47mAmerican Airlines

Deal found 6/11

$243

Thu 10/238:10 amRIC - STL

1 stop5h 15mDelta

Mon 10/273:30 pmSTL - RIC

1 stop4h 08mDelta

Deal found 6/12

$257

Tue 8/127:30 amRIC - STL

1 stop3h 45mSouthwest

Fri 8/222:00 pmSTL - RIC

1 stop6h 30mSouthwest

Deal found 6/11

$284

Mon 9/86:49 pmRIC - STL

1 stop5h 55mUnited Airlines

Mon 9/155:30 pmSTL - RIC

2 stops19h 25mUnited Airlines

Deal found 6/10

$355

Best flights from Richmond to St. Louis
Discover carefully curated flight deals from Richmond to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 8/1410:20 amRIC - STL

1 stop9h 12mSpirit Airlines

Mon 8/188:44 amSTL - RIC

1 stop22h 57mSpirit Airlines

Deal found 6/10

$217

Thu 8/144:12 pmRIC - STL

2 stops16h 37mMultiple Airlines

Mon 8/188:44 amSTL - RIC

1 stop22h 57mMultiple Airlines

Deal found 6/10

$230

Mon 9/811:51 amRIC - STL

1 stop9h 34mAmerican Airlines

Mon 9/159:56 amSTL - RIC

1 stop8h 47mAmerican Airlines

Deal found 6/11

$243

Thu 10/238:10 amRIC - STL

1 stop5h 15mDelta

Mon 10/273:30 pmSTL - RIC

1 stop4h 08mDelta

Deal found 6/12

$257

Tue 8/127:30 amRIC - STL

1 stop3h 45mSouthwest

Fri 8/222:00 pmSTL - RIC

1 stop6h 30mSouthwest

Deal found 6/11

$284

Mon 9/86:49 pmRIC - STL

1 stop5h 55mUnited Airlines

Mon 9/155:30 pmSTL - RIC

2 stops19h 25mUnited Airlines

Deal found 6/10

$355

Last-minute flights from Richmond to St. Louis
Discover last-minute flight deals from Richmond to St. Louis. Data last updated June 12, 2025 and is based on user searches.

Wed 6/186:00 amRIC - STL

1 stop5h 49mUnited Airlines

Tue 6/241:10 pmSTL - RIC

1 stop7h 26mUnited Airlines

Deal found 6/11

$565

Wed 7/25:35 amRIC - STL

1 stop3h 40mSouthwest

Sun 7/66:20 pmSTL - RIC

1 stop5h 05mSouthwest

Deal found 6/10

$322

Thu 7/39:31 pmRIC - STL

1 stop17h 19mSpirit Airlines

Mon 7/77:13 pmSTL - RIC

1 stop18h 51mSpirit Airlines

Deal found 6/12

$223

Thu 7/35:00 amRIC - STL

1 stop4h 14mAmerican Airlines

Sun 7/612:48 pmSTL - RIC

1 stop5h 28mAmerican Airlines

Deal found 6/12

$433

Sat 7/129:42 amRIC - STL

1 stop5h 57mMultiple Airlines

Sun 7/206:05 amSTL - RIC

1 stop10h 00mMultiple Airlines

Deal found 6/10

$245

Sat 7/126:49 pmRIC - STL

1 stop6h 04mDelta

Wed 7/1610:46 amSTL - RIC

1 stop5h 48mDelta

Deal found 6/11

$317

Tue 7/225:26 pmRIC - STL

1 stop6h 19mUnited Airlines

Wed 7/238:00 amSTL - RIC

1 stop4h 57mUnited Airlines

Deal found 6/11

$387

One-way flights from Richmond to St. Louis
Search for one-way flight options from Richmond to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 7/310:50 amRIC - STL

1 stop7h 14mSpirit Airlines

Deal found 6/10

$89

Fri 7/46:41 amRIC - STL

1 stop6h 32mAmerican Airlines

Deal found 6/12

$144

Wed 7/95:35 amRIC - STL

1 stop3h 40mSouthwest

Deal found 6/11

$154

Fri 8/2212:26 pmRIC - STL

1 stop6h 28mDelta

Deal found 6/11

$161

Wed 6/259:31 pmRIC - STL

3 stops22h 10mMultiple Airlines

Deal found 6/10

$173

Fri 6/276:25 amRIC - STL

1 stop7h 02mUnited Airlines

Deal found 6/10

$239

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/14

10:20 am-6:32 pm

1 stop9h 12m

Lambert-St Louis

Mon 8/18

8:44 am-8:41 am

1 stop22h 57m

$217

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/14

4:12 pm-7:49 am

2 stops16h 37m

Lambert-St Louis

Mon 8/18

8:44 am-8:41 am

1 stop22h 57m

$230

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 9/8

11:51 am-8:25 pm

1 stop9h 34m

Lambert-St Louis

Mon 9/15

9:56 am-7:43 pm

1 stop8h 47m

$243

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 10/23

8:10 am-12:25 pm

1 stop5h 15m

Lambert-St Louis

Mon 10/27

3:30 pm-8:38 pm

1 stop4h 08m

$257

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/12

7:30 am-10:15 am

1 stop3h 45m

Lambert-St Louis

Fri 8/22

2:00 pm-9:30 pm

1 stop6h 30m

$284

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 9/8

6:49 pm-11:44 pm

1 stop5h 55m

Lambert-St Louis

Mon 9/15

5:30 pm-1:55 pm

2 stops19h 25m

$355

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 7/3

10:50 am-5:04 pm

1 stop7h 14m

$89

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 7/4

6:41 am-12:13 pm

1 stop6h 32m

$144

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 7/9

5:35 am-8:15 am

1 stop3h 40m

$154

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 8/22

12:26 pm-5:54 pm

1 stop6h 28m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 12 results

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?

To ensure you get the cheapest price possible for a flight from Richmond to St. Louis, you should look to book at least 26 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, August is the cheapest month in which you can book a flight from Richmond to St. Louis (average of $311). Flying from Richmond to St. Louis in March is currently the most expensive (average of $356). 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 RIC to STL?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 11% on flights from Richmond to St. Louis by exploring options for tickets in the evening.

Rainfall in St. Louis by month

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.

Temperature in St. Louis by month

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).

Reviews of airlines servicing St. Louis

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,287 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,950 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,790 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Spirit Airlines

6.3

Okay

8,052 reviews

Southwest

8.0

Very good

4,287 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What are the cheapest airlines flying from Richmond to St. Louis round-trip?
Our cheapest airline available from Richmond to St. Louis is Spirit Airlines. Our recent data shows that you can find tickets from as low as $217 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $243 and $257 round-trip. Spirit Airlines is 43% 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 Spirit Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $144 and $154 on American Airlines and Southwest, 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, August is the cheapest month in which you can book a flight from Richmond to St. Louis (average of $311). Flying from Richmond to St. Louis in March is currently the most expensive (average of $356). 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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Maryland Heights

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Collinsville

Eureka

St. Peters

Glencoe

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Alton

Farmington

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Top 3 airlines flying from Richmond to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$254	Average$382	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$266	Average$402	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$286	Average$366	FlexibilityNo cancel fee	On-time63%

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$89+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Richmond 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 Richmond Byrd Intl to Lambert-St Louis are usually found in April or August, booked 26 days in advance, depart on a Saturday or Thursday and return on a Saturday

Cheap flight deals from Richmond to St. Louis

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Richmond to St. Louis

Cheapest flights from Richmond to St. LouisExplore 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 June 12, 2025.

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 June 12, 2025.

Cheapflights Fare Finder

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

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.

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 June 9, 2025.

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

What is the cheapest time of day to fly from RIC to STL?

Find hourly flight availability from Richmond 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 12, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

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?

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

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

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

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

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

Traveling to a place near Richmond?

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Alternative routes for Richmond to St. Louis

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Top 3 airlines flying from Richmond to St. Louis

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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 June 12, 2025.