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

Within the past month, 20 users have taken a look at flights from Raleigh-Durham to Lambert-St Louis.

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

According to our current data, Southwest ($304), Frontier ($311), and Delta ($313) offers the cheapest pricing from Raleigh to St. Louis. Southwest is priced at 13% 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 ($95), Spirit Airlines ($112), and Southwest ($129).

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 $309, our data indicates the cheapest price to be $146. The most popular route (Raleigh-Durham - Lambert-St Louis), is priced around $170.

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 American Airlines, Delta or Frontier as they are the most popular for this route.

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

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to St. Louis. Check prices with Cheapflights to find a great deal for your trip.

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

Find a great deal and save up to 80% by booking at least 52 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Raleigh to St. Louis within the next two weeks, with the cheapest ticket starting at $296.

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

Our data shows that June tends to be the cheapest month to fly to St. Louis from Raleigh. Users have commonly found prices around $352 for the month, but tickets can be as low as $168. Due to multiple factors, prepare for potentially higher prices in February.

Most accurate provider : When it comes to deals on Raleigh-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 05m for a nonstop flight. You can also purchase a plane ticket from 5 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.

$95+ 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 June or July, booked 51 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Raleigh to St. Louis

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$304 (Southwest)
One-way from	$95 (Frontier)
Popular in	February
Cheapest in	June
Average price	$373
Good round-trip deal	$342 or less
Good one-way deal	$185 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. 6% potential increase in price ($24 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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

Find 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 April 11, 2025.

Thu 5/2910:50 amRDU - STL

1 stop6h 55mSouthwest

Mon 6/27:35 pmSTL - RDU

Nonstop1h 50mSouthwest

Deal found 4/10

$304

Sat 4/1210:19 pmRDU - STL

1 stop26h 27mFrontier

Fri 4/186:51 pmSTL - RDU

1 stop20h 33mFrontier

Deal found 4/11

$310

Sat 5/245:55 amRDU - STL

1 stop4h 40mDelta

Sun 5/256:00 amSTL - RDU

1 stop4h 18mDelta

Deal found 4/10

$313

Sat 6/74:54 pmRDU - STL

1 stop7h 43mMultiple Airlines

Sun 6/810:10 amSTL - RDU

1 stop22h 02mMultiple Airlines

Deal found 4/10

$318

Sat 6/214:06 pmRDU - STL

1 stop5h 24mAmerican Airlines

Tue 6/244:58 pmSTL - RDU

1 stop4h 49mAmerican Airlines

Deal found 4/11

$341

Thu 5/19:32 amRDU - STL

1 stop7h 15mUnited Airlines

Mon 5/53:43 pmSTL - RDU

1 stop4h 46mUnited Airlines

Deal found 4/10

$347

Fri 6/138:51 amRDU - STL

1 stop7h 31mSpirit Airlines

Sun 6/224:17 pmSTL - RDU

3 stops24h 20mSpirit Airlines

Deal found 4/10

$389

Fri 5/27:20 amRDU - STL

1 stop17h 39mAlaska Airlines

Sun 5/46:30 amSTL - RDU

1 stop22h 30mAlaska Airlines

Deal found 4/10

$545

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 April 11, 2025.

Thu 5/2910:50 amRDU - STL

1 stop6h 55mSouthwest

Mon 6/27:35 pmSTL - RDU

Nonstop1h 50mSouthwest

Deal found 4/10

$304

Wed 6/114:25 pmRDU - STL

1 stop8h 12mFrontier

Sat 6/145:47 pmSTL - RDU

1 stop5h 09mFrontier

Deal found 4/10

$311

Sat 5/245:55 amRDU - STL

1 stop4h 40mDelta

Sun 5/256:00 amSTL - RDU

1 stop4h 18mDelta

Deal found 4/10

$313

Sat 6/74:54 pmRDU - STL

1 stop7h 43mMultiple Airlines

Sun 6/810:10 amSTL - RDU

1 stop22h 02mMultiple Airlines

Deal found 4/10

$318

Sat 6/214:06 pmRDU - STL

1 stop5h 24mAmerican Airlines

Tue 6/244:58 pmSTL - RDU

1 stop4h 49mAmerican Airlines

Deal found 4/11

$341

Thu 5/19:32 amRDU - STL

1 stop7h 15mUnited Airlines

Mon 5/53:43 pmSTL - RDU

1 stop4h 46mUnited Airlines

Deal found 4/10

$347

Fri 6/138:51 amRDU - STL

1 stop7h 31mSpirit Airlines

Sun 6/224:17 pmSTL - RDU

3 stops24h 20mSpirit Airlines

Deal found 4/10

$389

Fri 5/27:20 amRDU - STL

1 stop17h 39mAlaska Airlines

Sun 5/46:30 amSTL - RDU

1 stop22h 30mAlaska Airlines

Deal found 4/10

$545

Last-minute flights from Raleigh to St. Louis
Discover last-minute flight deals from Raleigh to St. Louis. Data last updated April 11, 2025 and is based on user searches.

Sat 4/1210:19 pmRDU - STL

1 stop26h 27mFrontier

Fri 4/186:51 pmSTL - RDU

1 stop20h 33mFrontier

Deal found 4/11

$310

Sat 4/125:00 amRDU - STL

1 stop4h 30mAmerican Airlines

Sun 4/135:45 amSTL - RDU

1 stop4h 30mAmerican Airlines

Deal found 4/10

$455

Thu 4/178:20 amRDU - STL

Nonstop2h 10mSouthwest

Mon 4/217:35 pmSTL - RDU

Nonstop1h 50mSouthwest

Deal found 4/10

$641

Mon 4/216:05 amRDU - STL

1 stop7h 15mUnited Airlines

Fri 4/251:12 pmSTL - RDU

2 stops9h 45mUnited Airlines

Deal found 4/10

$615

Thu 5/19:32 amRDU - STL

1 stop7h 15mUnited Airlines

Mon 5/53:43 pmSTL - RDU

1 stop4h 46mUnited Airlines

Deal found 4/10

$347

Fri 5/27:20 amRDU - STL

1 stop17h 39mAlaska Airlines

Sun 5/46:30 amSTL - RDU

1 stop22h 30mAlaska Airlines

Deal found 4/10

$545

Wed 5/78:30 pmRDU - STL

3 stops40h 15mMultiple Airlines

Sun 5/1810:10 amSTL - RDU

1 stop22h 02mMultiple Airlines

Deal found 4/10

$322

Sat 5/245:55 amRDU - STL

1 stop4h 40mDelta

Sun 5/256:00 amSTL - RDU

1 stop4h 18mDelta

Deal found 4/10

$313

Thu 5/2910:50 amRDU - STL

1 stop6h 55mSouthwest

Mon 6/27:35 pmSTL - RDU

Nonstop1h 50mSouthwest

Deal found 4/10

$304

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 April 11, 2025.

Sat 5/102:59 pmRDU - STL

1 stop10h 07mFrontier

Deal found 4/10

$95

Fri 5/3010:17 amRDU - STL

1 stop23h 58mSpirit Airlines

Deal found 4/10

$112

Tue 5/208:00 amRDU - STL

Nonstop2h 10mSouthwest

Deal found 4/10

$129

Fri 6/66:05 pmRDU - STL

1 stop18h 20mSun Country Air

Deal found 4/10

$133

Mon 5/193:55 pmRDU - STL

3 stops27h 46mMultiple Airlines

Deal found 4/10

$143

Wed 5/76:00 amRDU - STL

2 stops7h 19mUnited Airlines

Deal found 4/10

$144

Tue 5/611:15 amRDU - STL

1 stop4h 51mDelta

Deal found 4/10

$157

Tue 6/172:42 pmRDU - STL

1 stop7h 13mAmerican Airlines

Deal found 4/10

$171

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Thu 5/29

10:50 am-4:45 pm

1 stop6h 55m

Lambert-St Louis

Mon 6/2

7:35 pm-10:25 pm

Nonstop1h 50m

$304

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Wed 6/11

4:25 pm-11:37 pm

1 stop8h 12m

Lambert-St Louis

Sat 6/14

5:47 pm-11:56 pm

1 stop5h 09m

$311

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Sat 5/24

5:55 am-9:35 am

1 stop4h 40m

Lambert-St Louis

Sun 5/25

6:00 am-11:18 am

1 stop4h 18m

$313

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Sat 6/7

4:54 pm-11:37 pm

1 stop7h 43m

Lambert-St Louis

Sun 6/8

10:10 am-9:12 am

1 stop22h 02m

$318

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Sat 6/21

4:06 pm-8:30 pm

1 stop5h 24m

Lambert-St Louis

Tue 6/24

4:58 pm-10:47 pm

1 stop4h 49m

$341

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Thu 5/1

9:32 am-3:47 pm

1 stop7h 15m

Lambert-St Louis

Mon 5/5

3:43 pm-9:29 pm

1 stop4h 46m

$347

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Fri 6/13

8:51 am-3:22 pm

1 stop7h 31m

Lambert-St Louis

Sun 6/22

4:17 pm-5:37 pm

3 stops24h 20m

$389

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Fri 5/2

7:20 am-11:59 pm

1 stop17h 39m

Lambert-St Louis

Sun 5/4

6:30 am-6:00 am

1 stop22h 30m

$545

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Sat 5/10

2:59 pm-12:06 am

1 stop10h 07m

$95

RaleighSt. Louis

RDU - STL

RDUSTL

Raleigh-Durham

Fri 5/30

10:17 am-9:15 am

1 stop23h 58m

$112

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Showing 1-10 of 16 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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
CheapOair	Price Accuracy1 star	Trust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-St. Louis flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 51 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, August is the cheapest month in which you can book a flight from Raleigh to St. Louis (average of $311). Flying from Raleigh to St. Louis in March is currently the most expensive (average of $356). 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 in the evening, when flights are generally more expensive, you can save up to 21% 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.

Rainfall in St. Louis by month

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.

Temperature in St. Louis by month

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).

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Raleigh to St. Louis, such as Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Southwest

8.0

Very good

4,279 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,910 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 05m for a nonstop flight. You can also purchase a plane ticket from 5 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, 20 users have taken a look at flights from Raleigh-Durham to Lambert-St Louis.
What are the cheapest airlines flying from Raleigh to St. Louis round-trip?
According to our current data, Southwest ($304), Frontier ($311), and Delta ($313) offers the cheapest pricing from Raleigh to St. Louis. Southwest is priced at 13% 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 ($95), Spirit Airlines ($112), and Southwest ($129).
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 $309, our data indicates the cheapest price to be $146. The most popular route (Raleigh-Durham - Lambert-St Louis), is priced around $170.
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, August is the cheapest month in which you can book a flight from Raleigh to St. Louis (average of $311). Flying from Raleigh to St. Louis in March is currently the most expensive (average of $356). 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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Farmington

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Other flights to St. Louis

Top 5 airlines flying from Raleigh to St. Louis

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$125	Average$158	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$176	Average$368	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$231	Average$336	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$248	Average$354	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$296	Average$369	FlexibilityNo cancel fee	On-time69%

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$95+ 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 5/10. 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 June or July, booked 51 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap 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

Find 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 April 11, 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 April 11, 2025.

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 April.

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.

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?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to St. Louis. Price data was last updated on April 4, 2025.

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

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

Find hourly flight availability from Raleigh to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Raleigh to St. Louis. Price data was last updated on March 30, 2025.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Read through reviews of airlines operating flights from Raleigh to St. Louis, such as Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up 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?

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

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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Alternative routes for Raleigh to St. Louis

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Top 5 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 April 11, 2025.