Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Richmond to St. Louis from $94

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Richmond to St. Louis departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Richmond to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
10:07 am - 4:17 pm
RIC
-
STL
7h 10m
1 stop
Delta Logo
11:00 am - 6:12 pm
STL
-
RIC
6h 12m
1 stop
$249Delta
Tue, Aug 4 - Wed, Aug 5
Southwest Logo
3:40 pm - 8:40 pm
RIC
-
STL
6h 00m
1 stop
Southwest Logo
11:40 am - 7:10 pm
STL
-
RIC
6h 30m
1 stop
$251Southwest
Sat, Aug 15 - Mon, Aug 17
Frontier Logo
6:47 pm - 7:23 pm
RIC
-
STL
25h 36m
1 stop
Frontier Logo
8:08 pm - 5:52 pm
STL
-
RIC
20h 44m
1 stop
$254Frontier
Wed, Aug 5 - Tue, Aug 11
Southwest Logo
6:30 am - 11:35 am
RIC
-
STL
6h 05m
1 stop
Southwest Logo
10:45 am - 8:45 pm
STL
-
RIC
9h 00m
2 stops
$256Southwest
Mon, Aug 24 - Tue, Aug 25
Southwest Logo
4:25 pm - 10:05 pm
RIC
-
STL
6h 40m
2 stops
Southwest Logo
11:40 am - 7:10 pm
STL
-
RIC
6h 30m
1 stop
$258Southwest
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
4:42 pm - 11:59 pm
RIC
-
STL
8h 17m
1 stop
Frontier Logo
4:09 pm - 4:36 pm
STL
-
RIC
23h 27m
1 stop
$260Frontier
Thu, Aug 6 - Mon, Aug 10
Southwest Logo
4:25 pm - 10:05 pm
RIC
-
STL
6h 40m
2 stops
Southwest Logo
12:50 pm - 8:45 pm
STL
-
RIC
6h 55m
2 stops
$261Southwest
Mon, Aug 24 - Tue, Aug 25
Southwest Logo
3:30 pm - 9:10 pm
RIC
-
STL
6h 40m
1 stop
Southwest Logo
7:15 am - 2:50 pm
STL
-
RIC
6h 35m
2 stops
$270Southwest
Tue, Aug 4 - Wed, Aug 5
American Airlines Logo
4:02 pm - 6:59 pm
RIC
-
STL
3h 57m
1 stop
American Airlines Logo
1:54 pm - 8:41 pm
STL
-
RIC
5h 47m
1 stop
$282American Airlines
Fri, Aug 14 - Sat, Aug 15
Southwest Logo
6:15 am - 10:05 am
RIC
-
STL
4h 50m
1 stop
Southwest Logo
11:40 am - 7:10 pm
STL
-
RIC
6h 30m
1 stop
$284Southwest
Tue, Aug 18 - Fri, Aug 21

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Richmond to St. Louis

Our best Southwest deals on Richmond to St. Louis flight tickets
Southwest
Aug 15
RIC3:40 pmRichmond Byrd Intl
6h 00m
1 stop
STL8:40 pmLambert-St Louis
Aug 17
STL11:40 amLambert-St Louis
6h 30m
1 stop
RIC7:10 pmRichmond Byrd Intl
$251
Southwest
Aug 24
RIC6:30 amRichmond Byrd Intl
6h 05m
1 stop
STL11:35 amLambert-St Louis
Aug 25
STL10:45 amLambert-St Louis
9h 00m
2 stops
RIC8:45 pmRichmond Byrd Intl
$256
Southwest
Aug 13
RIC4:25 pmRichmond Byrd Intl
6h 40m
2 stops
STL10:05 pmLambert-St Louis
Aug 17
STL11:40 amLambert-St Louis
6h 30m
1 stop
RIC7:10 pmRichmond Byrd Intl
$258

Frontier flights from Richmond to St. Louis

Our best Frontier deals on Richmond to St. Louis flight tickets
Frontier
Aug 5
RIC6:47 pmRichmond Byrd Intl
25h 36m
1 stop
STL7:23 pmLambert-St Louis
Aug 11
STL8:08 pmLambert-St Louis
20h 44m
1 stop
RIC5:52 pmRichmond Byrd Intl
$254
Frontier
Aug 6
RIC4:42 pmRichmond Byrd Intl
8h 17m
1 stop
STL11:59 pmLambert-St Louis
Aug 10
STL4:09 pmLambert-St Louis
23h 27m
1 stop
RIC4:36 pmRichmond Byrd Intl
$260
Frontier
Jul 26
RIC4:42 pmRichmond Byrd Intl
8h 17m
1 stop
STL11:59 pmLambert-St Louis
Jul 29
STL4:09 pmLambert-St Louis
22h 48m
1 stop
RIC3:57 pmRichmond Byrd Intl
$295

momondo 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, momondo users made 832,500 searches. Data last updated July 9, 2026.
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

Cheapest round-trip

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/4

10:07 am-4:17 pm

1 stop7h 10m

Lambert-St Louis

Wed 8/5

11:00 am-6:12 pm

1 stop6h 12m

$249

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Sat 8/15

3:40 pm-8:40 pm

1 stop6h 00m

Lambert-St Louis

Mon 8/17

11:40 am-7:10 pm

1 stop6h 30m

$251

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 8/5

6:47 pm-7:23 pm

1 stop25h 36m

Lambert-St Louis

Tue 8/11

8:08 pm-5:52 pm

1 stop20h 44m

$254

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 8/24

6:30 am-11:35 am

1 stop6h 05m

Lambert-St Louis

Tue 8/25

10:45 am-8:45 pm

2 stops9h 00m

$256

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/13

4:25 pm-10:05 pm

2 stops6h 40m

Lambert-St Louis

Mon 8/17

11:40 am-7:10 pm

1 stop6h 30m

$258

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/6

4:42 pm-11:59 pm

1 stop8h 17m

Lambert-St Louis

Mon 8/10

4:09 pm-4:36 pm

1 stop23h 27m

$260

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Mon 8/24

4:25 pm-10:05 pm

2 stops6h 40m

Lambert-St Louis

Tue 8/25

12:50 pm-8:45 pm

2 stops6h 55m

$261

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/4

3:30 pm-9:10 pm

1 stop6h 40m

Lambert-St Louis

Wed 8/5

7:15 am-2:50 pm

2 stops6h 35m

$270
Quickest round-trip

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 8/14

4:02 pm-6:59 pm

1 stop3h 57m

Lambert-St Louis

Sat 8/15

1:54 pm-8:41 pm

1 stop5h 47m

$282

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/18

6:15 am-10:05 am

1 stop4h 50m

Lambert-St Louis

Fri 8/21

11:40 am-7:10 pm

1 stop6h 30m

$284

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to St. Louis from

How to get the cheapest flight ticket from Richmond to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Richmond and St. Louis?

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

In general, October is the cheapest month to fly from Richmond to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $296. The month of May is another great option to travel to St. Louis, with average flight prices from Richmond averaging around $366.

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

You are more likely to see cheaper flights to St. Louis from Richmond when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $424 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Richmond for as low as $258 on momondo.

How have Richmond to St. Louis flight prices changed over time?

As of July 2026, prices for Richmond to St. Louis flights are approximately 42% more expensive when compared to flights at the same time last year.

When to book flights from Richmond to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Richmond to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Richmond to St. Louis (RIC to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Richmond to St. Louis

Fastest flight time

4h 13m

Direct flights

None
The fastest flight from Richmond to St. Louis takes 4h 13m
There are no direct flights from Richmond to St. Louis. There are no popular flight routes from Richmond to St. Louis.
Search flight deals

Frequently asked questions about flying from Richmond to St. Louis

  • How far is Richmond Byrd Intl to Lambert-St Louis by plane?

    The straight-line distance from Richmond Byrd Intl to Lambert-St Louis is 696.9 mi. In terms of flight time, this usually takes a little over 4h 13m.

  • When did momondo last update prices for flights from Richmond Byrd Intl Airport to Lambert-St Louis Airport?

    Prices for flights from Richmond Byrd Intl Airport to Lambert-St Louis Airport are updated daily.

  • How many operators does momondo search for flights from Richmond Byrd Intl Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Richmond Byrd Intl Airport to Lambert-St Louis Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Richmond Byrd Intl Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The travel and health documents you'll need for your trip to Lambert-St Louis Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Lambert-St Louis Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Richmond to St. Louis?

Best airlines flying from Richmond to St. Louis

Compare and see reviews for airlines that fly from Richmond to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $231Free CancellationRating
7.9
4,248 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.8
8,453 reviews
Search Delta flights
American AirlinesPriceFrom $254Free CancellationRating
7.1
11,789 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
9,955 reviews
Search United Airlines flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Fairview Heights
Hermann
Maryland Heights
Florissant
St. Peters
O'Fallon
Collinsville
Alton
Farmington
Wentzville
Clayton
Fenton
Festus
Eureka
Litchfield
Edwardsville
Grafton
Shrewsbury

Why use momondo?

Why should I use momondo to find a flight deal from Richmond to St. Louis?

Finding the right flight to St. Louis from Richmond is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.

Can I find flights from Richmond to St. Louis with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to St. Louis from Richmond with this policy.

How can momondo help me find flights from Richmond to St. Louis?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Richmond.

I’m not ready to book a flight from Richmond to St. Louis right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Richmond to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/8
Sat 8/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States