Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Richmond to St. Louis from $110

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 3/10. 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
3:15 pm - 7:51 am
RIC
-
STL
17h 36m
1 stop
Frontier Logo
8:17 pm - 5:36 pm
STL
-
RIC
20h 19m
1 stop
$181Frontier
Thu, Apr 9 - Sat, Apr 18
Multiple Airlines Logo
11:39 am - 11:58 pm
RIC
-
STL
13h 19m
2 stops
Multiple Airlines Logo
4:59 pm - 6:58 pm
STL
-
RIC
24h 59m
1 stop
$250Multiple Airlines
Fri, Apr 10 - Mon, Apr 13
Multiple Airlines Logo
7:53 pm - 11:58 pm
RIC
-
STL
29h 05m
1 stop
Multiple Airlines Logo
8:17 pm - 11:25 am
STL
-
RIC
14h 08m
2 stops
$255Multiple Airlines
Thu, Apr 9 - Sat, Apr 18
Multiple Airlines Logo
7:53 pm - 7:51 am
RIC
-
STL
12h 58m
1 stop
Multiple Airlines Logo
4:59 pm - 6:58 pm
STL
-
RIC
24h 59m
1 stop
$262Multiple Airlines
Fri, Apr 10 - Mon, Apr 13
Delta Logo
1:00 pm - 4:42 pm
RIC
-
STL
4h 42m
1 stop
Delta Logo
11:42 am - 5:14 pm
STL
-
RIC
4h 32m
1 stop
$271Delta
Tue, Apr 14 - Wed, Apr 15
Multiple Airlines Logo
7:53 pm - 7:22 am
RIC
-
STL
12h 29m
1 stop
Multiple Airlines Logo
4:51 pm - 9:02 pm
STL
-
RIC
27h 11m
2 stops
$279Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
United Airlines Logo
6:00 am - 10:56 am
RIC
-
STL
5h 56m
1 stop
United Airlines Logo
9:10 am - 2:59 pm
STL
-
RIC
4h 49m
1 stop
$284United Airlines
Sat, Apr 25 - Tue, Apr 28
American Airlines Logo
6:00 am - 11:09 am
RIC
-
STL
6h 09m
1 stop
American Airlines Logo
3:42 pm - 10:48 pm
STL
-
RIC
6h 06m
1 stop
$287American Airlines
Thu, May 14 - Tue, May 19
Multiple Airlines Logo
7:53 pm - 7:05 pm
RIC
-
STL
24h 12m
1 stop
Multiple Airlines Logo
4:51 pm - 6:58 pm
STL
-
RIC
25h 07m
1 stop
$288Multiple Airlines
Thu, Mar 12 - Mon, Mar 16
Southwest Logo
6:05 am - 1:35 pm
RIC
-
STL
8h 30m
2 stops
Southwest Logo
6:35 am - 11:45 am
STL
-
RIC
4h 10m
1 stop
$293Southwest
Sat, Apr 25 - Tue, Apr 28

Frontier flights from Richmond to St. Louis

Our best Frontier deals on Richmond to St. Louis flight tickets
Frontier
Apr 9
RIC3:15 pmRichmond Byrd Intl
17h 36m
1 stop
STL7:51 amLambert-St Louis
Apr 18
STL8:17 pmLambert-St Louis
20h 19m
1 stop
RIC5:36 pmRichmond Byrd Intl
$181
Frontier
Mar 9
RIC7:38 pmRichmond Byrd Intl
28h 41m
2 stops
STL11:19 pmLambert-St Louis
Mar 13
STL12:16 pmLambert-St Louis
5h 23m
1 stop
RIC6:39 pmRichmond Byrd Intl
$379
Frontier
Mar 6
RIC7:39 pmRichmond Byrd Intl
18h 24m
2 stops
STL1:03 pmLambert-St Louis
Mar 13
STL12:16 pmLambert-St Louis
5h 23m
1 stop
RIC6:39 pmRichmond Byrd Intl
$494

American Airlines flights from Richmond to St. Louis

Our best American Airlines deals on Richmond to St. Louis flight tickets
American Airlines
May 14
RIC6:00 amRichmond Byrd Intl
6h 09m
1 stop
STL11:09 amLambert-St Louis
May 19
STL3:42 pmLambert-St Louis
6h 06m
1 stop
RIC10:48 pmRichmond Byrd Intl
$287
American Airlines
Apr 9
RIC1:27 pmRichmond Byrd Intl
7h 03m
1 stop
STL7:30 pmLambert-St Louis
Apr 12
STL6:55 pmLambert-St Louis
4h 28m
1 stop
RIC12:23 amRichmond Byrd Intl
$348
American Airlines
Apr 9
RIC5:05 amRichmond Byrd Intl
4h 25m
1 stop
STL8:30 amLambert-St Louis
Apr 12
STL6:55 pmLambert-St Louis
4h 28m
1 stop
RIC12:23 amRichmond Byrd Intl
$360

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 February 26, 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

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 4/9

3:15 pm-7:51 am

1 stop17h 36m

Lambert-St Louis

Sat 4/18

8:17 pm-5:36 pm

1 stop20h 19m

$181

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 4/10

11:39 am-11:58 pm

2 stops13h 19m

Lambert-St Louis

Mon 4/13

4:59 pm-6:58 pm

1 stop24h 59m

$250

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 4/9

7:53 pm-11:58 pm

1 stop29h 05m

Lambert-St Louis

Sat 4/18

8:17 pm-11:25 am

2 stops14h 08m

$255

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Fri 4/10

7:53 pm-7:51 am

1 stop12h 58m

Lambert-St Louis

Mon 4/13

4:59 pm-6:58 pm

1 stop24h 59m

$262

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Tue 4/14

1:00 pm-4:42 pm

1 stop4h 42m

Lambert-St Louis

Wed 4/15

11:42 am-5:14 pm

1 stop4h 32m

$271

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 3/12

7:53 pm-7:22 am

1 stop12h 29m

Lambert-St Louis

Mon 3/16

4:51 pm-9:02 pm

2 stops27h 11m

$279

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Sat 4/25

6:00 am-10:56 am

1 stop5h 56m

Lambert-St Louis

Tue 4/28

9:10 am-2:59 pm

1 stop4h 49m

$284

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 5/14

6:00 am-11:09 am

1 stop6h 09m

Lambert-St Louis

Tue 5/19

3:42 pm-10:48 pm

1 stop6h 06m

$287

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 3/12

7:53 pm-7:05 pm

1 stop24h 12m

Lambert-St Louis

Mon 3/16

4:51 pm-6:58 pm

1 stop25h 07m

$288

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Sat 4/25

6:05 am-1:35 pm

2 stops8h 30m

Lambert-St Louis

Tue 4/28

6:35 am-11:45 am

1 stop4h 10m

$293

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 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 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 $412 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 $283 on momondo.

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

As of February 2026, prices for Richmond to St. Louis flights are approximately 36% cheaper 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 15m

Direct flights

None
The fastest flight from Richmond to St. Louis takes 4h 15m
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 4h 15m.

  • 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
8.0
4,299 reviews
Search Southwest flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,237 reviews
Search Delta flights
American AirlinesPriceFrom $271Free CancellationRating
7.2
11,352 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
Florissant
Maryland Heights
O'Fallon
St. Peters
Wentzville
Collinsville
Fenton
Alton
Farmington
Clayton
Edwardsville
Festus
Eureka
Litchfield
Glencoe
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.

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 3/28
Sat 4/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States