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$57+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDU
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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

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 Lambert-St Louis to Raleigh-Durham are usually found in October or September, booked 58 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap 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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/3. 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.
Wed 12/314:27 pmSTL - RDU
1 stop15h 01mFrontier
Sun 1/49:05 pmRDU - STL
1 stop12h 07mFrontier
Deal found 12/3$173
This Frontier deal was found by Cheapflights users on 12/4. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:07 amSTL - RDU
1 stop5h 29mFrontier
Sun 1/49:05 pmRDU - STL
1 stop12h 07mFrontier
Deal found 12/4$188
This Booking.com deal was found by Cheapflights users on 12/4. 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.
Fri 12/123:30 pmSTL - RDU
1 stop24h 14mFrontier
Tue 12/168:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 12/4$199
This Mytrip deal was found by Cheapflights users on 12/4. 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.
Fri 12/129:54 amSTL - RDU
1 stop5h 50mFrontier
Sat 12/138:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 12/4$217
This Kiwi.com deal was found by Cheapflights users on 12/3. 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
Mon 12/291:15 pmRDU - STL
1 stop21h 25mFrontier
Deal found 12/3$218
This Booking.com deal was found by Cheapflights users on 12/3. 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.
Tue 12/93:30 pmSTL - RDU
1 stop24h 14mFrontier
Wed 12/108:14 pmRDU - STL
1 stop27h 19mFrontier
Deal found 12/3$225
This Frontier deal was found by Cheapflights users on 12/2. 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.
Fri 12/199:07 amSTL - RDU
1 stop5h 29mFrontier
Sun 12/219:05 pmRDU - STL
1 stop12h 07mFrontier
Deal found 12/2$232
This Frontier deal was found by Cheapflights users on 12/3. 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 12/1112:04 pmSTL - RDU
1 stop11h 08mFrontier
Fri 12/122:02 pmRDU - STL
1 stop9h 31mFrontier
Deal found 12/3$238
This Kiwi.com deal was found by Cheapflights users on 12/4. 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.
Thu 12/1810:42 amSTL - RDU
1 stop12h 31mFrontier
Sun 1/412:56 pmRDU - STL
2 stops20h 16mFrontier
Deal found 12/4$243
This Kiwi.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/173:30 pmSTL - RDU
1 stop15h 58mMultiple Airlines
Thu 12/183:58 pmRDU - STL
1 stop7h 35mMultiple Airlines
Deal found 12/3$245

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$143
(Kiwi.com)

One-way from

$57
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$374

Good round-trip deal

$439 or less

Good one-way deal

$233 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 ($52 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 December 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 December 4, 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 1/9

3:43 pm-12:12 am

1 stop7h 29m

Raleigh-Durham

Sun 1/11

10:11 pm-8:05 am

1 stop10h 54m

$153

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 1/8

3:43 pm-8:40 am

2 stops15h 57m

Raleigh-Durham

Mon 1/12

1:40 pm-10:33 pm

1 stop9h 53m

$189

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 1/9

7:43 pm-11:00 am

2 stops14h 17m

Raleigh-Durham

Sun 1/11

10:11 pm-8:05 am

1 stop10h 54m

$232

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 1/12

6:30 am-2:06 pm

2 stops6h 36m

Raleigh-Durham

Wed 1/14

6:25 am-12:29 pm

2 stops7h 04m

$268

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 1/2

9:07 am-3:36 pm

1 stop5h 29m

Raleigh-Durham

Mon 1/5

8:14 pm-10:33 pm

1 stop27h 19m

$275

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 12/17

3:30 pm-12:12 am

2 stops7h 42m

Raleigh-Durham

Fri 1/2

9:08 am-10:33 pm

1 stop14h 25m

$317

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 1/8

11:35 am-5:50 pm

1 stop5h 15m

Raleigh-Durham

Mon 1/12

5:35 pm-6:55 pm

Nonstop2h 20m

$325

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 1/28

8:15 am-11:05 am

Nonstop1h 50m

Raleigh-Durham

Sun 2/1

6:40 pm-8:00 pm

Nonstop2h 20m

$331

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 1/2

9:07 am-10:15 am

2 stops24h 08m

Raleigh-Durham

Mon 1/5

5:50 pm-10:56 am

1 stop18h 06m

$372

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sun 1/25

9:57 am-11:44 pm

2 stops12h 47m

Raleigh-Durham

Thu 1/29

6:15 am-2:30 pm

1 stop9h 15m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 18 results
1
2

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 December.
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 November 28, 2025.

Booking 58 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 December 4, 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.

The best insider tips for St. Louis to Raleigh flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 4, 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
4,252 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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
8.0
Very good
4,252 reviews
Southwest
8.0
Very good
4,252 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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
8,011 reviews
Southwest
8.0
Very good
4,252 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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
11,043 reviews
Southwest
8.0
Very good
4,252 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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
3,092 reviews
Southwest
8.0
Very good
4,252 reviews

Comfort

8.0

Overall

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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

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 6h 36m. 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 $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 $72. Users have also found prices from $113 and $127 on Delta and Southwest, respectively.

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

    On average you can expect to pay $370 for a flight from St. Louis to Raleigh. The cheapest flight overall is $213 while the most popular route, (Lambert-St Louis - Raleigh-Durham) is currently priced at $172.

  • 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
Danville
Chapel Hill
Selma
Goldsboro
Henderson
Morrisville
Wilson
Pinehurst
Wake Forest
South Hill
Holly Springs

Browse thousands of different options on Cheapflights for your next trip

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$193FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$384FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$246Average$388FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$257Average$387FlexibilityNo cancel feeOn-time63%

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