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$50+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find cheap flights from St. Louis to Raleigh 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

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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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/2510:42 amSTL - RDU
1 stop12h 31mFrontier
Tue 1/610:46 amRDU - STL
1 stop12h 47mFrontier
Deal found 11/5$123
This Expedia deal was found by Cheapflights users on 11/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:30 pmSTL - RDU
1 stop18h 01mFrontier
Fri 12/128:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 11/6$128
This Mytrip deal was found by Cheapflights users on 11/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:30 pmSTL - RDU
1 stop15h 53mFrontier
Tue 12/98:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 11/4$133
This Booking.com deal was found by Cheapflights users on 11/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:30 pmSTL - RDU
1 stop18h 01mFrontier
Thu 12/116:26 pmRDU - STL
1 stop16h 48mFrontier
Deal found 11/4$139
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Tue 12/2310:48 amSTL - RDU
1 stop24h 12mFrontier
Sat 12/2711:40 amRDU - STL
1 stop23h 00mFrontier
Deal found 11/4$142
This Priceline deal was found by Cheapflights users on 11/4. 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.
Fri 12/59:54 amSTL - RDU
1 stop5h 50mFrontier
Sun 12/76:00 amRDU - STL
1 stop4h 47mFrontier
Deal found 11/4$146
This Mytrip deal was found by Cheapflights users on 11/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/214:13 pmSTL - RDU
1 stop15h 01mFrontier
Tue 11/256:00 amRDU - STL
1 stop9h 29mFrontier
Deal found 11/6$153
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Thu 11/1311:07 amSTL - RDU
1 stop5h 55mFrontier
Sun 11/169:35 pmRDU - STL
1 stop13h 05mFrontier
Deal found 11/6$166
This Frontier deal was found by Cheapflights users on 11/6. 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.
Thu 11/203:14 pmSTL - RDU
1 stop7h 18mFrontier
Mon 11/241:11 pmRDU - STL
1 stop6h 08mFrontier
Deal found 11/6$167
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/2510:42 amSTL - RDU
1 stop12h 31mMultiple Airlines
Tue 1/65:50 pmRDU - STL
2 stops40h 57mMultiple Airlines
Deal found 11/5$185

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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$123
(Kiwi.com)

One-way from

$50
(Trip.com)

Popular in

August

Cheapest in

September

Average price

$363

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 November 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 November 6, 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

Fri 11/21

4:13 pm-8:14 am

1 stop15h 01m

Raleigh-Durham

Tue 11/25

6:00 am-2:29 pm

1 stop9h 29m

$153

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 1/1

10:42 am-12:20 pm

1 stop24h 38m

Raleigh-Durham

Mon 1/5

8:14 pm-10:33 pm

1 stop27h 19m

$164

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 12/10

3:30 pm-12:12 am

2 stops7h 42m

Raleigh-Durham

Fri 12/12

9:37 pm-10:33 pm

1 stop25h 56m

$209

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 12/17

7:43 pm-6:41 pm

1 stop21h 58m

Raleigh-Durham

Sun 1/4

9:05 pm-8:12 am

1 stop12h 07m

$242

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 12/10

2:00 pm-8:10 pm

1 stop5h 10m

Raleigh-Durham

Thu 12/11

8:15 am-9:30 am

Nonstop2h 15m

$281

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 3/4

6:30 am-2:03 pm

2 stops6h 33m

Raleigh-Durham

Tue 3/10

1:26 pm-7:19 pm

1 stop6h 53m

$314

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sun 11/16

6:21 pm-10:58 pm

2 stops27h 37m

Raleigh-Durham

Thu 11/27

6:42 pm-11:57 pm

1 stop6h 15m

$323

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 12/25

8:20 am-11:10 am

Nonstop1h 50m

Raleigh-Durham

Tue 1/6

10:45 am-4:30 pm

1 stop6h 45m

$327

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sat 12/6

4:30 pm-7:15 pm

Nonstop1h 45m

Raleigh-Durham

Sat 12/13

11:30 am-12:40 pm

Nonstop2h 10m

$335

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 11/26

7:43 pm-4:31 pm

1 stop19h 48m

Raleigh-Durham

Sun 11/30

8:45 pm-11:57 pm

1 stop28h 12m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Raleigh flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 31, 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 February is currently the most expensive (average of $250). 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 November 6, 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 19% on airfare.

How much does it cost to fly round-trip from St. Louis to Raleigh?

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 November 6, 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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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
3,116 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

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 15h 01m. There are 666 mi between St. Louis and Raleigh.

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

    Frontier, at $128, was found to be the cheapest airline from St. Louis to Raleigh.Alternate airlines to your destination round-trip include Delta and American Airlines. Users have found that Frontier is 68% 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 $61. Users have also found prices from $111 and $114 on Delta and United Airlines, respectively.

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

    On average you can expect to pay $350 for a flight from St. Louis to Raleigh. The cheapest flight overall is $125 while the most popular route, (Lambert-St Louis - Raleigh-Durham) is currently priced at $142.

  • 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 February is currently the most expensive (average of $250). 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
Henderson
Morrisville
Danville
Wilson
Pinehurst
Wake Forest
South Hill
Holly Springs

Browse thousands of different options on Cheapflights for your next trip

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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$184FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$384FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$257Average$382FlexibilityNo cancel feeOn-time63%

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