Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Richmond to St. Louis from $93

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 3/12. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Richmond to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:43 pm - 10:02 am
RIC
-
STL
18h 19m1 stop
Frontier Logo
3:30 pm - 6:24 pm
STL
-
RIC
25h 54m1 stop
$195Frontier
Thu, Apr 9 - Sat, Apr 11
Multiple Airlines Logo
6:24 pm - 10:56 am
RIC
-
STL
17h 32m1 stop
Multiple Airlines Logo
4:27 pm - 5:09 pm
STL
-
RIC
23h 42m1 stop
$217Multiple Airlines
Wed, Dec 31 - Mon, Jan 5
Multiple Airlines Logo
12:50 pm - 10:34 pm
RIC
-
STL
10h 44m1 stop
Multiple Airlines Logo
1:35 pm - 7:59 pm
STL
-
RIC
29h 24m1 stop
$233Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Multiple Airlines Logo
8:25 pm - 9:40 am
RIC
-
STL
14h 15m2 stops
Multiple Airlines Logo
4:27 pm - 5:09 pm
STL
-
RIC
23h 42m1 stop
$246Multiple Airlines
Wed, Dec 31 - Mon, Jan 5
Multiple Airlines Logo
8:15 am - 9:47 am
RIC
-
STL
26h 32m2 stops
Multiple Airlines Logo
5:11 pm - 12:13 pm
STL
-
RIC
18h 02m1 stop
$247Multiple Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
10:46 am - 2:49 pm
RIC
-
STL
5h 03m1 stop
Delta Logo
6:00 am - 12:12 pm
STL
-
RIC
5h 12m1 stop
$255Delta
Sat, Jan 17 - Sun, Jan 18
Multiple Airlines Logo
8:20 am - 7:54 am
RIC
-
STL
24h 34m2 stops
Multiple Airlines Logo
1:35 pm - 7:59 pm
STL
-
RIC
29h 24m1 stop
$261Multiple Airlines
Thu, Jan 15 - Mon, Jan 19
Delta Logo
10:01 am - 2:47 pm
RIC
-
STL
5h 46m1 stop
Delta Logo
11:55 am - 6:23 pm
STL
-
RIC
5h 28m1 stop
$276Delta
Wed, Feb 18 - Sat, Feb 21
Multiple Airlines Logo
12:50 pm - 10:33 pm
RIC
-
STL
10h 43m1 stop
Multiple Airlines Logo
5:11 pm - 11:55 am
STL
-
RIC
17h 44m1 stop
$279Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Southwest Logo
6:05 am - 11:15 am
RIC
-
STL
6h 10m2 stops
Southwest Logo
5:05 am - 3:35 pm
STL
-
RIC
9h 30m2 stops
$286Southwest
Wed, Feb 18 - Sat, Feb 21

United Airlines flights from Richmond to St. Louis

Our best United Airlines deals on Richmond to St. Louis flight tickets
United Airlines
Jan 15
RIC10:29 amRichmond Byrd Intl
5h 01m
1 stop
STL2:30 pmLambert-St Louis
Jan 18
STL8:30 amLambert-St Louis
4h 19m
1 stop
RIC1:49 pmRichmond Byrd Intl
$349
Find similar
United Airlines
Jan 18
RIC8:00 amRichmond Byrd Intl
7h 30m
1 stop
STL2:30 pmLambert-St Louis
Jan 22
STL11:22 amLambert-St Louis
6h 50m
1 stop
RIC7:12 pmRichmond Byrd Intl
$360
Find similar
United Airlines
Jan 15
RIC6:00 amRichmond Byrd Intl
5h 41m
1 stop
STL10:41 amLambert-St Louis
Jan 19
STL6:30 amLambert-St Louis
6h 29m
1 stop
RIC1:59 pmRichmond Byrd Intl
$384
Find similar

Delta flights from Richmond to St. Louis

Our best Delta deals on Richmond to St. Louis flight tickets
Delta
Jan 17
RIC10:46 amRichmond Byrd Intl
5h 03m
1 stop
STL2:49 pmLambert-St Louis
Jan 18
STL6:00 amLambert-St Louis
5h 12m
1 stop
RIC12:12 pmRichmond Byrd Intl
$255
Find similar
Delta
Jan 11
RIC5:40 amRichmond Byrd Intl
6h 25m
1 stop
STL11:05 amLambert-St Louis
Jan 18
STL6:00 amLambert-St Louis
5h 12m
1 stop
RIC12:12 pmRichmond Byrd Intl
$311
Find similar
Delta
Jan 8
RIC3:44 pmRichmond Byrd Intl
5h 53m
1 stop
STL8:37 pmLambert-St Louis
Jan 12
STL6:35 amLambert-St Louis
4h 32m
1 stop
RIC12:07 pmRichmond Byrd Intl
$325
Find similar

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 December 11, 2025.
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 4/9

4:43 pm-10:02 am

1 stop18h 19m

Lambert-St Louis

Sat 4/11

3:30 pm-6:24 pm

1 stop25h 54m

$195

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 12/31

6:24 pm-10:56 am

1 stop17h 32m

Lambert-St Louis

Mon 1/5

4:27 pm-5:09 pm

1 stop23h 42m

$217

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 1/15

12:50 pm-10:34 pm

1 stop10h 44m

Lambert-St Louis

Mon 1/19

1:35 pm-7:59 pm

1 stop29h 24m

$233

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 12/31

8:25 pm-9:40 am

2 stops14h 15m

Lambert-St Louis

Mon 1/5

4:27 pm-5:09 pm

1 stop23h 42m

$246

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 2/18

8:15 am-9:47 am

2 stops26h 32m

Lambert-St Louis

Sat 2/21

5:11 pm-12:13 pm

1 stop18h 02m

$247

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Sat 1/17

10:46 am-2:49 pm

1 stop5h 03m

Lambert-St Louis

Sun 1/18

6:00 am-12:12 pm

1 stop5h 12m

$255

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 1/15

8:20 am-7:54 am

2 stops24h 34m

Lambert-St Louis

Mon 1/19

1:35 pm-7:59 pm

1 stop29h 24m

$261

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 2/18

10:01 am-2:47 pm

1 stop5h 46m

Lambert-St Louis

Sat 2/21

11:55 am-6:23 pm

1 stop5h 28m

$276

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 1/8

12:50 pm-10:33 pm

1 stop10h 43m

Lambert-St Louis

Thu 1/15

5:11 pm-11:55 am

1 stop17h 44m

$279

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Wed 2/18

6:05 am-11:15 am

2 stops6h 10m

Lambert-St Louis

Sat 2/21

5:05 am-3:35 pm

2 stops9h 30m

$286

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 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 April is another great option to travel to St. Louis, with average flight prices from Richmond averaging around $334.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Saturday when prices can be found for as low as $348. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $454. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Richmond in the evening is the least expensive time of day to depart. momondo users have found prices as low as $346 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $386 per ticket.

How far in advance should I book a flight 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 $400 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 $298 on momondo.

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

As of December 2025, prices for Richmond to St. Louis flights are approximately 52% 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

6h 25m

Direct flights

None
The fastest flight from Richmond to St. Louis takes 6h 25m
There are no direct flights from Richmond to St. Louis. There are no popular flight routes from Richmond to St. Louis.
Search flight deals

  • 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 6h 25m.

  • 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 $233Free CancellationRating
7.9
4,253 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,050 reviews
Search American 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
Hermann
Fairview Heights
Maryland Heights
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
Eureka
Litchfield
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 1/10
Sat 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States