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$61+ Cheap flights from St. Louis to Raleigh (STL - RDU)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDU
נוב' 18 — נוב' 251
ג' 11/18
ג' 11/25
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Raleigh-Durham are usually found in September or November, booked 49 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Find flight deals from St. Louis to Raleigh

Cheapest flights from St. Louis to Raleigh
Explore the most affordable flight options available from St. Louis to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on אוקטובר 19, 2025.

This Priceline deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 10/3011:07 amSTL - RDU
1 stop5h 55mFrontier
א' 11/25:10 amRDU - STL
1 stop5h 02mFrontier
Deal found 10/18$144
This Kiwi.com deal was found by Cheapflights users on 10/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 11/1311:07 amSTL - RDU
1 stop5h 55mFrontier
א' 11/166:10 amRDU - STL
1 stop5h 02mFrontier
Deal found 10/17$146
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 11/1311:07 amSTL - RDU
1 stop5h 55mFrontier
ד' 11/196:10 amRDU - STL
1 stop17h 51mFrontier
Deal found 10/18$147
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 11/117:45 pmSTL - RDU
2 stops20h 23mFrontier
ד' 11/196:10 amRDU - STL
1 stop17h 51mFrontier
Deal found 10/18$151
This Frontier deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 10/2411:11 amSTL - RDU
1 stop6h 09mFrontier
ה' 10/306:10 amRDU - STL
1 stop5h 02mFrontier
Deal found 10/19$156
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
א' 11/1611:17 amSTL - RDU
1 stop5h 45mFrontier
ד' 11/196:10 amRDU - STL
1 stop17h 51mFrontier
Deal found 10/18$160
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ד' 11/127:45 pmSTL - RDU
1 stop19h 51mFrontier
ד' 11/196:10 amRDU - STL
1 stop17h 51mFrontier
Deal found 10/18$163
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ג' 11/117:45 pmSTL - RDU
2 stops20h 23mFrontier
א' 11/166:10 amRDU - STL
1 stop5h 02mFrontier
Deal found 10/18$167
This Frontier deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 10/2311:32 amSTL - RDU
1 stop10h 27mFrontier
א' 10/266:15 amRDU - STL
1 stop5h 22mFrontier
Deal found 10/18$168
This Kiwi.com deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ה' 12/412:04 pmSTL - RDU
1 stop11h 08mFrontier
ב' 12/812:53 pmRDU - STL
2 stops10h 40mFrontier
Deal found 10/16$170
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ו' 11/144:56 pmSTL - RDU
2 stops29h 13mFrontier
ד' 11/196:10 amRDU - STL
1 stop17h 51mFrontier
Deal found 10/18$172

Cheap flight deals from St. Louis to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated אוקטובר 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$144
(Priceline)

One-way from

$61
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$364

Good round-trip deal

$353 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Lambert-St Louis-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Raleigh-Durham flights.
Search Deals
From Lambert-St Louis to Raleigh-Durham
Search Deals
One-way flight from Lambert-St Louis to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Lambert-St Louis to Raleigh-Durham.
Search Deals
Price to beat on a one-way flight from Lambert-St Louis to Raleigh-Durham.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Raleigh 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, Cheapflights users made 2,558,603 searches. Data last updated אוקטובר 19, 2025.
Use the filters below to find and compare flights from St. Louis to Raleigh that are best for you.

Fly from

St. Louis

Fly to

Raleigh

Route

Depart

Return

Price

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ו' 10/24

11:11 am-6:20 pm

1 stop6h 09m

Raleigh-Durham

ה' 10/30

6:10 am-10:12 am

1 stop5h 02m

$156

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ו' 11/14

4:56 pm-1:19 pm

2 stops19h 23m

Raleigh-Durham

א' 11/16

6:10 am-10:12 am

1 stop5h 02m

$218

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ה' 11/20

6:40 am-12:08 pm

1 stop4h 28m

Raleigh-Durham

ב' 11/24

2:12 pm-6:35 pm

1 stop5h 23m

$219

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ג' 11/11

9:33 am-2:55 pm

1 stop4h 22m

Raleigh-Durham

ג' 11/18

5:15 am-8:28 am

1 stop4h 13m

$249

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ד' 11/12

7:00 am-1:00 pm

1 stop5h 00m

Raleigh-Durham

א' 11/16

5:35 am-9:00 am

1 stop4h 25m

$279

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ה' 12/18

5:25 pm-10:55 pm

1 stop4h 30m

Raleigh-Durham

ב' 12/22

6:20 am-12:30 pm

1 stop7h 10m

$284

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ה' 12/11

6:10 pm-8:55 pm

Nonstop1h 45m

Raleigh-Durham

א' 12/14

6:10 am-9:10 am

1 stop4h 00m

$318

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ה' 12/4

8:20 am-11:10 am

Nonstop1h 50m

Raleigh-Durham

ב' 12/8

6:15 pm-7:30 pm

Nonstop2h 15m

$323

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ג' 11/11

6:30 am-2:08 pm

2 stops6h 38m

Raleigh-Durham

ב' 11/17

7:00 pm-11:44 pm

1 stop5h 44m

$324

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

ו' 11/14

6:30 am-2:08 pm

2 stops6h 38m

Raleigh-Durham

ד' 11/19

6:00 am-2:24 pm

2 stops9h 24m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 21 results
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Compare providers for flights from St. Louis to Raleigh

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 St. Louis to Raleigh in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 St. Louis-Raleigh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Raleigh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Raleigh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Raleigh 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 St. Louis-Raleigh 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 St. Louis to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from St. Louis 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 St. Louis to Raleigh

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Raleigh. Price data was last updated on October 17, 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Raleigh. 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 St. Louis to Raleigh?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Raleigh (average of $144). Flying from St. Louis to Raleigh in December is currently the most expensive (average of $278). 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 STL to RDU?

Find hourly flight availability from St. Louis to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated אוקטובר 19, 2025.

One of the essential ways to save on airfare from St. Louis to Raleigh is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 16% on airfare.

The best insider tips for St. Louis to Raleigh flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Raleigh trip
Airports
STL

Expect security screening at STL to take 5-10 minutes during off-peak times. Check real-time wait times online before heading to the airport.

Read more about STLby Taryn White
RDU

At RDU, rideshare apps like Uber and Lyft are available at pre-arranged zones for convenient city access.

Read more about RDUby John Walton
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Raleigh. Reviews last updated אוקטובר 19, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from St. Louis to Raleigh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,978 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,027 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,131 reviews
Southwest
8.0
Very good
4,241 reviews

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Comfort

8.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Raleigh. 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 St. Louis to Raleigh?

    Booking a flight from Lambert-St Louis (STL) to Raleigh-Durham (RDU) is your only option if you wish to fly from St. Louis to Raleigh. On a typical day, there is 1 flight from Lambert-St Louis to Raleigh-Durham, all of which are around 1h 45m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Lambert-St Louis to Raleigh.

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

    The Lambert-St Louis to Raleigh-Durham flight path was viewed by 4 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Departing from St. Louis to Raleigh will take you 4h 28m. There are 666 mi between St. Louis and Raleigh. This flight may include one or multiple stops.

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

    Frontier, at $118, was found to be the cheapest airline from St. Louis to Raleigh.Alternate airlines to your destination round-trip include Delta and Southwest. Users have found that Frontier is 70% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $62. Users have also found prices from $110 and $110 on Delta and Southwest, respectively.

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

    On average you can expect to pay $286 for a flight from St. Louis to Raleigh. The cheapest flight overall is $168 while the most popular route, (Lambert-St Louis - Raleigh-Durham) is currently priced at $173.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Raleigh 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 St. Louis to Raleigh?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Raleigh (average of $144). Flying from St. Louis to Raleigh in December is currently the most expensive (average of $278). 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

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Rocky Mount
Smithfield
Dunn
Cary
Garner
Chapel Hill
Selma
Goldsboro
Apex
Henderson
Morrisville
Wilson
Danville
Pinehurst
Wake Forest
South Hill
Holly Springs

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Alternative routes for St. Louis to Raleigh

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from St. Louis to Raleigh

Discover the top 4 airlines that operate flights from St. Louis to Raleigh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated אוקטובר 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$184FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$384FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$231Average$379FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$246Average$384FlexibilityNo cancel feeOn-time71%

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