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 Southwest and Delta, starting at $232 and $237 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 $84. Users have also found prices from $154 and $159 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.

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 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 $588 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.

$84+ 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 (Mytrip)
One-way from	$84 (FlightHub)
Popular in	January
Cheapest in	April
Average price	$356

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. 1% potential increase in price ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Thu 7/249:42 amRIC - STL

1 stop7h 49mSpirit Airlines

Fri 7/2510:47 amSTL - RIC

2 stops20h 50mSpirit Airlines

Deal found 7/2

$217

Wed 8/67:30 amRIC - STL

1 stop3h 45mSouthwest

Thu 8/77:20 amSTL - RIC

1 stop5h 30mSouthwest

Deal found 7/2

$232

Mon 8/46:39 pmRIC - STL

1 stop6h 14mDelta

Wed 8/63:41 pmSTL - RIC

1 stop4h 46mDelta

Deal found 7/3

$237

Tue 7/296:09 amRIC - STL

1 stop7h 34mAmerican Airlines

Tue 8/51:17 pmSTL - RIC

1 stop5h 28mAmerican Airlines

Deal found 7/1

$249

Mon 8/46:44 pmRIC - STL

2 stops22h 47mMultiple Airlines

Wed 8/611:24 amSTL - RIC

3 stops27h 46mMultiple Airlines

Deal found 7/3

$281

Mon 9/86:54 pmRIC - STL

1 stop5h 50mUnited Airlines

Mon 9/155:30 pmSTL - RIC

2 stops19h 25mUnited Airlines

Deal found 7/3

$357

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 July 3, 2025.

Thu 7/249:42 amRIC - STL

1 stop7h 49mSpirit Airlines

Fri 7/2510:47 amSTL - RIC

2 stops20h 50mSpirit Airlines

Deal found 7/2

$217

Wed 8/67:30 amRIC - STL

1 stop3h 45mSouthwest

Thu 8/77:20 amSTL - RIC

1 stop5h 30mSouthwest

Deal found 7/2

$232

Mon 8/46:39 pmRIC - STL

1 stop6h 14mDelta

Wed 8/63:41 pmSTL - RIC

1 stop4h 46mDelta

Deal found 7/3

$237

Tue 7/296:09 amRIC - STL

1 stop7h 34mAmerican Airlines

Tue 8/51:17 pmSTL - RIC

1 stop5h 28mAmerican Airlines

Deal found 7/1

$249

Mon 8/46:44 pmRIC - STL

2 stops22h 47mMultiple Airlines

Wed 8/611:24 amSTL - RIC

3 stops27h 46mMultiple Airlines

Deal found 7/3

$281

Mon 9/86:54 pmRIC - STL

1 stop5h 50mUnited Airlines

Mon 9/155:30 pmSTL - RIC

2 stops19h 25mUnited Airlines

Deal found 7/3

$357

Last-minute flights from Richmond to St. Louis
Discover last-minute flight deals from Richmond to St. Louis. Data last updated July 3, 2025 and is based on user searches.

Wed 7/95:35 amRIC - STL

1 stop3h 40mSouthwest

Sun 7/136:20 pmSTL - RIC

1 stop5h 05mSouthwest

Deal found 7/2

$518

Fri 7/116:44 pmRIC - STL

1 stop15h 56mMultiple Airlines

Mon 7/1410:47 amSTL - RIC

2 stops20h 27mMultiple Airlines

Deal found 7/1

$484

Fri 7/118:10 pmRIC - STL

1 stop4h 49mAmerican Airlines

Mon 7/1410:20 amSTL - RIC

1 stop7h 20mAmerican Airlines

Deal found 7/1

$523

Thu 7/249:42 amRIC - STL

1 stop7h 49mSpirit Airlines

Fri 7/2510:47 amSTL - RIC

2 stops20h 50mSpirit Airlines

Deal found 7/2

$217

Tue 7/296:09 amRIC - STL

1 stop7h 34mAmerican Airlines

Tue 8/51:17 pmSTL - RIC

1 stop5h 28mAmerican Airlines

Deal found 7/1

$249

Mon 8/46:39 pmRIC - STL

1 stop6h 14mDelta

Tue 8/510:46 amSTL - RIC

1 stop5h 48mDelta

Deal found 7/3

$237

Mon 8/46:44 pmRIC - STL

2 stops22h 47mMultiple Airlines

Wed 8/611:24 amSTL - RIC

3 stops27h 46mMultiple Airlines

Deal found 7/3

$281

Wed 8/67:30 amRIC - STL

1 stop3h 45mSouthwest

Thu 8/77:20 amSTL - RIC

1 stop5h 30mSouthwest

Deal found 7/2

$232

Fri 8/227:59 pmRIC - STL

2 stops19h 33mUnited Airlines

Mon 8/256:00 amSTL - RIC

1 stop5h 38mUnited Airlines

Deal found 7/2

$376

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 July 3, 2025.

Thu 7/249:42 amRIC - STL

1 stop7h 49mSpirit Airlines

Deal found 6/30

$84

Fri 8/227:27 pmRIC - STL

1 stop4h 38mAmerican Airlines

Deal found 7/3

$154

Fri 8/222:25 pmRIC - STL

2 stops7h 35mSouthwest

Deal found 7/3

$159

Mon 7/216:39 pmRIC - STL

1 stop6h 14mDelta

Deal found 7/1

$204

Fri 8/227:50 pmRIC - STL

3 stops41h 20mMultiple Airlines

Deal found 7/3

$225

Fri 8/227:59 pmRIC - STL

2 stops19h 33mUnited Airlines

Deal found 7/2

$229

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 7/24

9:42 am-4:31 pm

1 stop7h 49m

Lambert-St Louis

Fri 7/25

10:47 am-8:37 am

2 stops20h 50m

$217

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 8/6

7:30 am-10:15 am

1 stop3h 45m

Lambert-St Louis

Thu 8/7

7:20 am-1:50 pm

1 stop5h 30m

$232

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 8/4

6:39 pm-11:53 pm

1 stop6h 14m

Lambert-St Louis

Wed 8/6

3:41 pm-9:27 pm

1 stop4h 46m

$237

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 7/29

6:09 am-12:43 pm

1 stop7h 34m

Lambert-St Louis

Tue 8/5

1:17 pm-7:45 pm

1 stop5h 28m

$249

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 8/4

6:44 pm-4:31 pm

2 stops22h 47m

Lambert-St Louis

Wed 8/6

11:24 am-4:10 pm

3 stops27h 46m

$281

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 9/8

6:54 pm-11:44 pm

1 stop5h 50m

Lambert-St Louis

Mon 9/15

5:30 pm-1:55 pm

2 stops19h 25m

$357

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 7/24

9:42 am-4:31 pm

1 stop7h 49m

$84

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 8/22

7:27 pm-11:05 pm

1 stop4h 38m

$154

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 8/22

2:25 pm-9:00 pm

2 stops7h 35m

$159

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 7/21

6:39 pm-11:53 pm

1 stop6h 14m

$204

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and United 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

4,266 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

4,266 reviews

Southwest

8.0

Very good

4,266 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

7,982 reviews

Southwest

8.0

Very good

4,266 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

8,861 reviews

Southwest

8.0

Very good

4,266 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

4,266 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

8,086 reviews

Southwest

8.0

Very good

4,266 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 Southwest and Delta, starting at $232 and $237 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 $84. Users have also found prices from $154 and $159 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

O'Fallon

Maryland Heights

Fairview Heights

Collinsville

Eureka

St. Peters

Glencoe

Alton

Festus

Chesterfield

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$379	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$266	Average$406	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$286	Average$366	FlexibilityNo cancel fee	On-time63%

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$84+ 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 7/24. 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 July 3, 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 July 3, 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 27, 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 July 3, 2025.

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and United 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.

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?

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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 July 3, 2025.