How popular is this Raleigh to St. Louis flight route?

Within the past month, 30 users have taken a look at flights from Raleigh-Durham to Lambert-St Louis.

How long is the flight from Raleigh to St. Louis?

A quick flight from Raleigh to St. Louis can take about 10h 18m. Frontier provides one of the quickest options available for as low as $128. The distance between Raleigh and St. Louis is about 666 mi.

What are the cheapest airlines flying from Raleigh to St. Louis round-trip?

According to our current data, Frontier ($130), Delta ($226), and American Airlines ($248) offers the cheapest pricing from Raleigh to St. Louis. Frontier is priced at 66% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Raleigh to St. Louis one-way?

The cheapest airlines for a one-way flight from Raleigh to St. Louis are Frontier ($55), Delta ($122), and American Airlines ($128).

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

What are the cheapest flights from Raleigh to St. Louis?

Looking for the cheapest flight from Raleigh to St. Louis? While on average our users pay $341, our data indicates the cheapest price to be $138. The most popular route (Raleigh-Durham - Lambert-St Louis), is priced around $139.

What are the most popular airlines that fly from Raleigh to St. Louis?

When booking a flight from Raleigh to St. Louis, you may want to consider flying on Southwest, American Airlines or Delta as they are the most popular for this route.

Most accurate provider : When it comes to deals on Raleigh-St. Louis flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Raleigh-St. Louis flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Raleigh-St. Louis flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Raleigh-St. Louis flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airports do I use to fly from Raleigh to St. Louis?

Booking a flight from Raleigh-Durham (RDU) to Lambert-St Louis (STL) is your only option if you wish to fly from Raleigh to St. Louis. On a typical day, there is 1 flight from Raleigh-Durham to Lambert-St Louis, all of which are around 2h 10m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Raleigh-Durham to St. Louis.

Can I find deals for flights from Raleigh to St. Louis that include hotel bookings?

Yes. In addition to deals on Raleigh to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Raleigh to St. Louis?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to St. Louis.

Can I find deals for business class flights from Raleigh to St. Louis?

Yes. Cheapflights offers flight deals from Raleigh to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$46+ Flights from Raleigh to St. Louis

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Raleigh to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Raleigh-Durham to Lambert-St Louis are usually found in January or October, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Raleigh to St. Louis

Cheapest flights from Raleigh to St. Louis
Explore the most affordable flight options available from Raleigh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Wed 12/3111:48 amRDU - STL

1 stop11h 45mFrontier

Sun 1/44:27 pmSTL - RDU

1 stop23h 30mFrontier

Deal found 12/9

$210

Thu 12/186:00 amRDU - STL

1 stop4h 40mFrontier

Fri 12/199:07 amSTL - RDU

1 stop5h 29mFrontier

Deal found 12/11

$212

Mon 12/159:18 amRDU - STL

1 stop14h 15mFrontier

Wed 12/173:30 pmSTL - RDU

1 stop15h 58mFrontier

Deal found 12/11

$264

Fri 12/199:37 pmRDU - STL

1 stop25h 56mMultiple Airlines

Mon 1/268:22 pmSTL - RDU

1 stop26h 29mMultiple Airlines

Deal found 12/10

$265

Sun 12/146:00 amRDU - STL

1 stop4h 47mFrontier

Fri 12/199:07 amSTL - RDU

1 stop5h 29mFrontier

Deal found 12/11

$272

Sat 12/138:14 pmRDU - STL

1 stop13h 45mFrontier

Mon 12/159:54 amSTL - RDU

1 stop5h 50mFrontier

Deal found 12/9

$277

Fri 12/199:47 pmRDU - STL

2 stops25h 46mFrontier

Mon 1/265:42 pmSTL - RDU

1 stop19h 17mFrontier

Deal found 12/10

$289

Tue 12/165:16 pmRDU - STL

1 stop6h 50mAmerican Airlines

Tue 1/69:33 amSTL - RDU

1 stop4h 55mAmerican Airlines

Deal found 12/11

$307

Tue 12/306:00 amRDU - STL

2 stops41h 33mFrontier

Sun 1/410:57 amSTL - RDU

1 stop12h 16mFrontier

Deal found 12/10

$311

Wed 12/315:50 pmRDU - STL

1 stop18h 06mMultiple Airlines

Sun 1/411:51 amSTL - RDU

2 stops28h 06mMultiple Airlines

Deal found 12/9

$328

Tue 12/309:22 pmRDU - STL

1 stop26h 11mMultiple Airlines

Sun 1/410:57 amSTL - RDU

1 stop12h 16mMultiple Airlines

Deal found 12/10

$338

Best flights from Raleigh to St. Louis
Discover carefully curated flight deals from Raleigh to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Wed 1/282:15 pmRDU - STL

1 stop10h 18mFrontier

Fri 1/305:42 pmSTL - RDU

1 stop15h 05mFrontier

Deal found 12/10

$128

Thu 1/229:36 pmRDU - STL

1 stop13h 47mMultiple Airlines

Sun 1/255:42 pmSTL - RDU

2 stops19h 31mMultiple Airlines

Deal found 12/9

$184

Tue 1/1310:00 amRDU - STL

1 stop5h 30mUnited Airlines

Sat 1/176:30 amSTL - RDU

1 stop6h 33mUnited Airlines

Deal found 12/11

$282

Thu 1/16:00 amRDU - STL

1 stop4h 40mFrontier

Thu 1/83:43 pmSTL - RDU

1 stop7h 29mFrontier

Deal found 12/10

$163

Thu 1/1510:11 pmRDU - STL

1 stop10h 43mFrontier

Sat 1/173:43 pmSTL - RDU

2 stops16h 50mFrontier

Deal found 12/10

$170

Mon 1/58:14 pmRDU - STL

1 stop27h 19mFrontier

Wed 1/77:43 pmSTL - RDU

1 stop21h 58mFrontier

Deal found 12/9

$174

Mon 1/59:37 pmRDU - STL

1 stop25h 56mMultiple Airlines

Fri 1/93:43 pmSTL - RDU

1 stop7h 29mMultiple Airlines

Deal found 12/11

$218

Mon 1/126:41 pmRDU - STL

1 stop6h 18mUnited Airlines

Thu 1/158:30 amSTL - RDU

1 stop4h 36mUnited Airlines

Deal found 12/10

$301

Wed 2/182:53 pmRDU - STL

1 stop8h 34mFrontier

Sat 2/212:51 pmSTL - RDU

2 stops22h 56mFrontier

Deal found 12/11

$275

Last-minute flights from Raleigh to St. Louis
Discover last-minute flight deals from Raleigh to St. Louis. Data last updated December 12, 2025 and is based on user searches.

Wed 1/78:14 pmRDU - STL

1 stop27h 19mFrontier

Wed 1/148:32 pmSTL - RDU

1 stop10h 55mFrontier

Deal found 12/10

$122

Wed 1/76:10 amRDU - STL

2 stops17h 23mMultiple Airlines

Wed 1/148:32 pmSTL - RDU

1 stop10h 55mMultiple Airlines

Deal found 12/10

$139

Thu 1/86:10 amRDU - STL

1 stop9h 38mFrontier

Mon 1/125:11 pmSTL - RDU

1 stop19h 47mFrontier

Deal found 12/11

$131

Sun 1/1110:11 pmRDU - STL

1 stop10h 54mFrontier

Tue 1/135:11 pmSTL - RDU

1 stop19h 47mFrontier

Deal found 12/10

$142

Tue 1/136:10 amRDU - STL

1 stop25h 41mFrontier

Sat 1/178:32 pmSTL - RDU

1 stop10h 55mFrontier

Deal found 12/10

$110

Fri 1/163:22 pmRDU - STL

1 stop16h 29mFrontier

Mon 1/198:32 pmSTL - RDU

1 stop26h 19mFrontier

Deal found 12/10

$129

Thu 1/229:36 pmRDU - STL

1 stop26h 57mFrontier

Sun 1/255:42 pmSTL - RDU

1 stop26h 19mFrontier

Deal found 12/9

$137

Wed 1/282:15 pmRDU - STL

1 stop10h 18mFrontier

Fri 1/305:42 pmSTL - RDU

1 stop15h 05mFrontier

Deal found 12/10

$128

One-way flights from Raleigh to St. Louis
Search for one-way flight options from Raleigh to St. Louis. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Tue 1/136:10 amRDU - STL

1 stop25h 41mFrontier

Deal found 12/11

$46

Wed 1/212:15 pmRDU - STL

1 stop10h 18mFrontier

Deal found 12/11

$63

Fri 2/65:22 pmRDU - STL

1 stop7h 11mFrontier

Deal found 12/11

$64

Thu 1/86:10 amRDU - STL

1 stop9h 38mFrontier

Deal found 12/10

$66

Wed 1/78:14 pmRDU - STL

1 stop27h 19mFrontier

Deal found 12/11

$68

Sun 1/189:22 amRDU - STL

1 stop22h 29mFrontier

Deal found 12/11

$69

Sat 2/78:16 pmRDU - STL

1 stop12h 48mFrontier

Deal found 12/11

$70

Fri 1/163:22 pmRDU - STL

1 stop16h 29mFrontier

Deal found 12/11

$74

Thu 1/152:48 pmRDU - STL

1 stop8h 46mFrontier

Deal found 12/11

$75

Sun 2/86:10 amRDU - STL

1 stop25h 41mFrontier

Deal found 12/11

$76

Mon 1/128:14 pmRDU - STL

2 stops35h 37mFrontier

Deal found 12/11

$78

Find flight deals from Raleigh to St. Louis

Most accurate provider	CheapOair 3 stars
Most trusted provider	CheapOair 3 stars
Round-trip from	$110 (Kiwi.com)
One-way from	$46 (Kiwi.com)
Popular in	September
Cheapest in	January
Average price	$374
Good round-trip deal	$329 or less
Good one-way deal	$184 or less

Provider with most accurate pricing for Raleigh-Durham-Lambert-St Louis flight deals.

Search Deals

Provider most trusted by Cheapflights users for Raleigh-Durham-Lambert-St Louis flights.

Search Deals

From Raleigh-Durham to Lambert-St Louis

Search Deals

One-way flight from Raleigh-Durham to Lambert-St Louis

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Raleigh-Durham to Lambert-St Louis.

Search Deals

Price to beat on a one-way flight from Raleigh-Durham to Lambert-St Louis.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Wed 1/28

2:15 pm-11:33 pm

1 stop10h 18m

Lambert-St Louis

Fri 1/30

5:42 pm-9:47 am

1 stop15h 05m

$128

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Thu 1/1

6:00 am-9:40 am

1 stop4h 40m

Lambert-St Louis

Thu 1/8

3:43 pm-12:12 am

1 stop7h 29m

$163

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Thu 1/15

10:11 pm-7:54 am

1 stop10h 43m

Lambert-St Louis

Sat 1/17

3:43 pm-9:33 am

2 stops16h 50m

$170

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Mon 1/5

8:14 pm-10:33 pm

1 stop27h 19m

Lambert-St Louis

Wed 1/7

7:43 pm-6:41 pm

1 stop21h 58m

$174

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Thu 1/22

9:36 pm-10:23 am

1 stop13h 47m

Lambert-St Louis

Sun 1/25

5:42 pm-2:13 pm

2 stops19h 31m

$184

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Mon 1/5

9:37 pm-10:33 pm

1 stop25h 56m

Lambert-St Louis

Fri 1/9

3:43 pm-12:12 am

1 stop7h 29m

$218

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Wed 2/18

2:53 pm-10:27 pm

1 stop8h 34m

Lambert-St Louis

Sat 2/21

2:51 pm-2:47 pm

2 stops22h 56m

$275

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Tue 1/13

10:00 am-2:30 pm

1 stop5h 30m

Lambert-St Louis

Sat 1/17

6:30 am-2:03 pm

1 stop6h 33m

$282

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Mon 1/12

6:41 pm-11:59 pm

1 stop6h 18m

Lambert-St Louis

Thu 1/15

8:30 am-2:06 pm

1 stop4h 36m

$301

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Tue 1/13

6:10 am-6:51 am

1 stop25h 41m

$46

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 results

Compare providers for flights from Raleigh to St. Louis

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to St. Louis in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Raleigh-St. Louis flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Raleigh-St. Louis flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Raleigh-St. Louis flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Raleigh-St. Louis flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Raleigh with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Raleigh to St. Louis

How far ahead should I book a flight from Raleigh to St. Louis?

Booking 67 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Raleigh to St. Louis?

Currently, January is the cheapest month in which you can book a flight from Raleigh to St. Louis (average of $136). Flying from Raleigh to St. Louis in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDU to STL?

Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Raleigh to St. Louis by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Raleigh to St. Louis?

Travelers seeking maximum savings on their Raleigh to St. Louis flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Raleigh to St. Louis flights

Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to St. Louis trip

Airports

RDU

RDU's compact layout makes it easy to navigate, with two terminals connected by a central parking garage tunnel.

STL

Use the MetroLink light rail for a convenient and economical way to reach downtown St. Louis from STL.

Our travel experts

John Walton

Expert on RDU

Taryn White

Expert on STL

Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Raleigh to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,252 reviews

Southwest

7.9

Good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,048 reviews

Southwest

7.9

Good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,252 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

What airports do I use to fly from Raleigh to St. Louis?
Booking a flight from Raleigh-Durham (RDU) to Lambert-St Louis (STL) is your only option if you wish to fly from Raleigh to St. Louis. On a typical day, there is 1 flight from Raleigh-Durham to Lambert-St Louis, all of which are around 2h 10m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Raleigh-Durham to St. Louis.
How popular is this Raleigh to St. Louis flight route?
Within the past month, 30 users have taken a look at flights from Raleigh-Durham to Lambert-St Louis.
How long is the flight from Raleigh to St. Louis?
A quick flight from Raleigh to St. Louis can take about 10h 18m. Frontier provides one of the quickest options available for as low as $128. The distance between Raleigh and St. Louis is about 666 mi.
What are the cheapest airlines flying from Raleigh to St. Louis round-trip?
According to our current data, Frontier ($130), Delta ($226), and American Airlines ($248) offers the cheapest pricing from Raleigh to St. Louis. Frontier is priced at 66% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Raleigh to St. Louis one-way?
The cheapest airlines for a one-way flight from Raleigh to St. Louis are Frontier ($55), Delta ($122), and American Airlines ($128).
What are the cheapest flights from Raleigh to St. Louis?
Looking for the cheapest flight from Raleigh to St. Louis? While on average our users pay $341, our data indicates the cheapest price to be $138. The most popular route (Raleigh-Durham - Lambert-St Louis), is priced around $139.
Can I find deals for flights from Raleigh to St. Louis that include hotel bookings?
Yes. In addition to deals on Raleigh to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Raleigh to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to St. Louis.
Can I find deals for business class flights from Raleigh to St. Louis?
Yes. Cheapflights offers flight deals from Raleigh to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Raleigh to St. Louis?
Currently, January is the cheapest month in which you can book a flight from Raleigh to St. Louis (average of $136). Flying from Raleigh to St. Louis in March is currently the most expensive (average of $248). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to St. Louis

Top 4 airlines flying from Raleigh to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$138	Average$241	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$226	Average$374	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$248	Average$384	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$271	Average$401	FlexibilityNo cancel fee	On-time63%

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$46+ Cheap flights from Raleigh to St. Louis (RDU - STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Raleigh to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Raleigh-Durham to Lambert-St Louis are usually found in January or October, booked 67 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Raleigh to St. Louis

Cheapest flights from Raleigh to St. LouisExplore the most affordable flight options available from Raleigh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Raleigh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Raleigh to St. Louis

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Raleigh to St. Louis that are best for you.

Compare providers for flights from Raleigh to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to St. Louis in December.

Best time to book a flight from Raleigh to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Raleigh with our price prediction graph.

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Everything you need to know about your flight from Raleigh to St. Louis

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What is the cheapest day to fly from Raleigh to St. Louis?

The best insider tips for Raleigh to St. Louis flights

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Reviews of airlines servicing St. Louis

Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Raleigh to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Raleigh to St. Louis?

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What are the cheapest airlines flying from Raleigh to St. Louis round-trip?

What are the cheapest airlines to fly from Raleigh to St. Louis one-way?

What are the cheapest flights from Raleigh to St. Louis?

Can I find deals for flights from Raleigh to St. Louis that include hotel bookings?

How can I find direct flights from Raleigh to St. Louis?

Can I find deals for business class flights from Raleigh to St. Louis?

What is the cheapest month to book a flight from Raleigh to St. Louis?

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Top 4 airlines flying from Raleigh to St. Louis

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Cheapest flights from Raleigh to St. Louis
Explore the most affordable flight options available from Raleigh to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.