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Cheap flights from Richmond to St. Louis from $133

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 6/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Richmond to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:01 am - 8:32 am
RIC
-
STL
4h 31m
1 stop
American Airlines Logo
5:03 pm - 12:11 am
STL
-
RIC
6h 08m
1 stop
$265American Airlines
Wed, Jun 24 - Tue, Jun 30
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
$278Frontier
Thu, Jul 9 - Mon, Jul 13
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
$281Frontier
Thu, Jul 16 - Mon, Jul 20
Delta Logo
5:45 am - 9:46 am
RIC
-
STL
5h 01m
1 stop
Delta Logo
6:30 am - 11:51 am
STL
-
RIC
4h 21m
1 stop
$283Delta
Wed, Jun 24 - Tue, Jun 30
American Airlines Logo
6:17 pm - 12:14 am
RIC
-
STL
6h 57m
1 stop
American Airlines Logo
10:22 am - 4:32 pm
STL
-
RIC
5h 10m
1 stop
$286American Airlines
Tue, Aug 11 - Mon, Aug 17
Southwest Logo
6:15 am - 12:10 pm
RIC
-
STL
6h 55m
2 stops
Southwest Logo
6:05 am - 11:10 am
STL
-
RIC
4h 05m
1 stop
$291Southwest
Tue, Aug 11 - Mon, Aug 17
Southwest Logo
6:30 am - 11:35 am
RIC
-
STL
6h 05m
1 stop
Southwest Logo
11:40 am - 7:10 pm
STL
-
RIC
6h 30m
1 stop
$307Southwest
Thu, Aug 27 - Mon, Aug 31
Southwest Logo
4:25 pm - 11:05 pm
RIC
-
STL
7h 40m
2 stops
Southwest Logo
2:20 pm - 9:15 pm
STL
-
RIC
5h 55m
1 stop
$312Southwest
Thu, Aug 27 - Mon, Aug 31
Southwest Logo
4:25 pm - 11:05 pm
RIC
-
STL
7h 40m
2 stops
Southwest Logo
8:30 am - 5:20 pm
STL
-
RIC
7h 50m
2 stops
$317Southwest
Thu, Aug 27 - Mon, Aug 31
Delta Logo
6:45 pm - 11:56 pm
RIC
-
STL
6h 11m
1 stop
Delta Logo
6:00 am - 2:10 pm
STL
-
RIC
7h 10m
1 stop
$326Delta
Tue, Jun 23 - Mon, Jun 29

American Airlines flights from Richmond to St. Louis

Our best American Airlines deals on Richmond to St. Louis flight tickets
American Airlines
Jun 24
RIC8:10 pmRichmond Byrd Intl
4h 34m
1 stop
STL11:44 pmLambert-St Louis
Jun 30
STL12:45 pmLambert-St Louis
5h 33m
1 stop
RIC7:18 pmRichmond Byrd Intl
$265
American Airlines
Aug 11
RIC6:17 pmRichmond Byrd Intl
6h 57m
1 stop
STL12:14 amLambert-St Louis
Aug 17
STL10:22 amLambert-St Louis
5h 10m
1 stop
RIC4:32 pmRichmond Byrd Intl
$286
American Airlines
Jun 8
RIC6:15 pmRichmond Byrd Intl
6h 29m
1 stop
STL11:44 pmLambert-St Louis
Jun 10
STL6:00 amLambert-St Louis
6h 08m
1 stop
RIC1:08 pmRichmond Byrd Intl
$467

Southwest flights from Richmond to St. Louis

Our best Southwest deals on Richmond to St. Louis flight tickets
Southwest
Jul 14
RIC7:25 amRichmond Byrd Intl
4h 50m
1 stop
STL11:15 amLambert-St Louis
Jul 21
STL5:40 amLambert-St Louis
8h 20m
2 stops
RIC3:00 pmRichmond Byrd Intl
$270
Southwest
Jul 14
RIC4:55 pmRichmond Byrd Intl
7h 10m
2 stops
STL11:05 pmLambert-St Louis
Jul 21
STL5:50 amLambert-St Louis
8h 10m
2 stops
RIC3:00 pmRichmond Byrd Intl
$275
Southwest
Aug 11
RIC6:15 amRichmond Byrd Intl
6h 55m
2 stops
STL12:10 pmLambert-St Louis
Aug 17
STL6:05 amLambert-St Louis
4h 05m
1 stop
RIC11:10 amRichmond Byrd Intl
$291

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 May 28, 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

Wed 6/24

5:01 am-8:32 am

1 stop4h 31m

Lambert-St Louis

Tue 6/30

5:03 pm-12:11 am

1 stop6h 08m

$265

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 7/9

4:42 pm-11:59 pm

1 stop8h 17m

Lambert-St Louis

Mon 7/13

4:09 pm-4:36 pm

1 stop23h 27m

$278

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 7/16

4:42 pm-11:59 pm

1 stop8h 17m

Lambert-St Louis

Mon 7/20

4:09 pm-4:36 pm

1 stop23h 27m

$281
Quickest round-trip

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 6/24

5:45 am-9:46 am

1 stop5h 01m

Lambert-St Louis

Tue 6/30

6:30 am-11:51 am

1 stop4h 21m

$283

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/11

6:17 pm-12:14 am

1 stop6h 57m

Lambert-St Louis

Mon 8/17

10:22 am-4:32 pm

1 stop5h 10m

$286

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 8/11

6:15 am-12:10 pm

2 stops6h 55m

Lambert-St Louis

Mon 8/17

6:05 am-11:10 am

1 stop4h 05m

$291

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/27

6:30 am-11:35 am

1 stop6h 05m

Lambert-St Louis

Mon 8/31

11:40 am-7:10 pm

1 stop6h 30m

$307

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/27

4:25 pm-11:05 pm

2 stops7h 40m

Lambert-St Louis

Mon 8/31

2:20 pm-9:15 pm

1 stop5h 55m

$312

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 8/27

4:25 pm-11:05 pm

2 stops7h 40m

Lambert-St Louis

Mon 8/31

8:30 am-5:20 pm

2 stops7h 50m

$317

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 6/23

6:45 pm-11:56 pm

1 stop6h 11m

Lambert-St Louis

Mon 6/29

6:00 am-2:10 pm

1 stop7h 10m

$326

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $286. The month of July is another great option to travel to St. Louis, with average flight prices from Richmond averaging around $346.

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 $416 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 $251 on momondo.

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

As of May 2026, prices for Richmond to St. Louis flights are approximately 21% 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 05m

Direct flights

None
The fastest flight from Richmond to St. Louis takes 4h 05m
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 05m.

  • 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
4,264 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,423 reviews
Search Delta flights
American AirlinesPriceFrom $257Free CancellationRating
7.1
11,639 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
9,751 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
O'Fallon
Florissant
St. Peters
Collinsville
Alton
Wentzville
Fenton
Farmington
Festus
Eureka
Litchfield
Clayton
Edwardsville
Shrewsbury
Grafton

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.

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