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Cheap flights from Richmond to St. Louis from $98

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 12/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Frontier Logo
5:17 pm - 10:02 amRIC-STL
17h 45m1 stop
Frontier Logo
7:43 pm - 6:02 pmSTL-RIC
21h 19m1 stop
$164Frontier
Find Deal
Sun, Jan 4 - Sat, Jan 10
Multiple Airlines Logo
12:51 pm - 7:50 amRIC-STL
19h 59m1 stop
Multiple Airlines Logo
5:11 pm - 11:56 amSTL-RIC
17h 45m1 stop
$193Multiple Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
12:51 pm - 7:50 amRIC-STL
19h 59m1 stop
Multiple Airlines Logo
5:11 pm - 11:56 amSTL-RIC
17h 45m1 stop
$194Multiple Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
12:50 pm - 11:33 pmRIC-STL
11h 43m1 stop
Multiple Airlines Logo
5:42 pm - 10:04 pmSTL-RIC
27h 22m2 stops
$219Multiple Airlines
Find Deal
Thu, Jan 22 - Sat, Jan 24
Multiple Airlines Logo
9:49 pm - 8:59 amRIC-STL
12h 10m1 stop
Multiple Airlines Logo
10:42 am - 8:54 pmSTL-RIC
33h 12m2 stops
$225Multiple Airlines
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Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
12:51 pm - 10:02 amRIC-STL
22h 11m2 stops
Multiple Airlines Logo
5:11 pm - 11:56 amSTL-RIC
17h 45m1 stop
$226Multiple Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
9:49 pm - 8:59 amRIC-STL
12h 10m1 stop
Multiple Airlines Logo
3:30 pm - 5:24 pmSTL-RIC
24h 54m1 stop
$228Multiple Airlines
Find Deal
Thu, Dec 11 - Sun, Dec 14
Multiple Airlines Logo
12:50 pm - 11:33 pmRIC-STL
11h 43m1 stop
Multiple Airlines Logo
12:12 pm - 11:55 amSTL-RIC
22h 43m1 stop
$232Multiple Airlines
Find Deal
Thu, Jan 22 - Sat, Jan 24
Multiple Airlines Logo
8:15 am - 10:33 pmRIC-STL
15h 18m2 stops
Multiple Airlines Logo
5:11 pm - 11:56 amSTL-RIC
17h 45m1 stop
$239Multiple Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
8:25 pm - 10:56 amRIC-STL
39h 31m2 stops
Multiple Airlines Logo
5:11 pm - 11:55 amSTL-RIC
17h 44m1 stop
$251Multiple Airlines
Find Deal
Sun, Jan 4 - Sat, Jan 10

Delta flights from Richmond to St. Louis

Our best Delta deals on Richmond to St. Louis flight tickets
Delta
Jan 8
RIC7:10 amRichmond Byrd Intl
4h 52m
1 stop
STL11:02 amLambert-St Louis
Jan 12
STL6:35 amLambert-St Louis
4h 32m
1 stop
RIC12:07 pmRichmond Byrd Intl
$271
Find similar
Delta
Dec 16
RIC4:56 pmRichmond Byrd Intl
4h 51m
1 stop
STL8:47 pmLambert-St Louis
Dec 17
STL6:00 amLambert-St Louis
4h 25m
1 stop
RIC11:25 amRichmond Byrd Intl
$297
Find similar
Delta
Dec 13
RIC5:10 amRichmond Byrd Intl
6h 14m
1 stop
STL10:24 amLambert-St Louis
Dec 22
STL7:02 pmLambert-St Louis
4h 25m
1 stop
RIC12:27 amRichmond Byrd Intl
$309
Find similar

American Airlines flights from Richmond to St. Louis

Our best American Airlines deals on Richmond to St. Louis flight tickets
American Airlines
Feb 12
RIC8:20 amRichmond Byrd Intl
5h 11m
1 stop
STL12:31 pmLambert-St Louis
Feb 16
STL3:32 pmLambert-St Louis
5h 31m
1 stop
RIC10:03 pmRichmond Byrd Intl
$346
Find similar
American Airlines
Dec 9
RIC6:15 amRichmond Byrd Intl
10h 51m
1 stop
STL4:06 pmLambert-St Louis
Dec 11
STL1:59 pmLambert-St Louis
4h 26m
1 stop
RIC7:25 pmRichmond Byrd Intl
$429
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 November 26, 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

Sun 1/4

5:17 pm-10:02 am

1 stop17h 45m

Lambert-St Louis

Sat 1/10

7:43 pm-6:02 pm

1 stop21h 19m

$164

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

12:51 pm-7:50 am

1 stop19h 59m

Lambert-St Louis

Sun 2/22

5:11 pm-11:56 am

1 stop17h 45m

$193

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

12:51 pm-7:50 am

1 stop19h 59m

Lambert-St Louis

Sun 2/22

5:11 pm-11:56 am

1 stop17h 45m

$194

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 1/22

12:50 pm-11:33 pm

1 stop11h 43m

Lambert-St Louis

Sat 1/24

5:42 pm-10:04 pm

2 stops27h 22m

$219

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 12/11

9:49 pm-8:59 am

1 stop12h 10m

Lambert-St Louis

Sun 12/14

10:42 am-8:54 pm

2 stops33h 12m

$225

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

12:51 pm-10:02 am

2 stops22h 11m

Lambert-St Louis

Sun 2/22

5:11 pm-11:56 am

1 stop17h 45m

$226

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 12/11

9:49 pm-8:59 am

1 stop12h 10m

Lambert-St Louis

Sun 12/14

3:30 pm-5:24 pm

1 stop24h 54m

$228

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 1/22

12:50 pm-11:33 pm

1 stop11h 43m

Lambert-St Louis

Sat 1/24

12:12 pm-11:55 am

1 stop22h 43m

$232

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Thu 2/19

8:15 am-10:33 pm

2 stops15h 18m

Lambert-St Louis

Sun 2/22

5:11 pm-11:56 am

1 stop17h 45m

$239

RichmondSt. Louis

RIC - STL

RICSTL

Richmond Byrd Intl

Sun 1/4

8:25 pm-10:56 am

2 stops39h 31m

Lambert-St Louis

Sat 1/10

5:11 pm-11:55 am

1 stop17h 44m

$251

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 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 $336.

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 $407 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 November 2025, prices for Richmond to St. Louis flights are approximately 3% 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 30m

Direct flights

None
The fastest flight from Richmond to St. Louis takes 4h 30m
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 41m.

  • 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
4,254 reviews
Search Southwest flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $272Free CancellationRating
7.2
11,037 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
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.
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