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$58+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Raleigh-Durham are usually found in August or September, booked 41 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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 June 12, 2025.

Round-trip from

$146
(Mytrip)

One-way from

$58
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$368

Good round-trip deal

$331 or less

Good one-way deal

$213 or less
From Lambert-St Louis to Raleigh-Durham
Search Deals
One-way flight from Lambert-St Louis to Raleigh-Durham
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Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Raleigh-Durham.
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Price to beat on a one-way flight from Lambert-St Louis to Raleigh-Durham.
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/9. 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.
Thu 7/1010:47 amSTL - RDU
1 stop4h 25mSpirit Airlines
Sun 7/135:10 pmRDU - STL
1 stop17h 42mSpirit Airlines
Deal found 6/9$146
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Thu 7/1010:47 amSTL - RDU
1 stop4h 25mMultiple Airlines
Mon 7/146:00 amRDU - STL
1 stop18h 47mMultiple Airlines
Deal found 6/11$229
This Frontier deal was found by Cheapflights users on 6/12. 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.
Tue 7/15:47 pmSTL - RDU
1 stop5h 09mFrontier
Thu 7/1012:58 pmRDU - STL
1 stop7h 25mFrontier
Deal found 6/12$300
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:25 pmSTL - RDU
Nonstop1h 50mSouthwest
Mon 9/18:05 amRDU - STL
Nonstop2h 05mSouthwest
Deal found 6/11$302
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:01 amSTL - RDU
1 stop5h 45mAmerican Airlines
Tue 9/21:14 pmRDU - STL
1 stop4h 56mAmerican Airlines
Deal found 6/12$317
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/57:00 amSTL - RDU
2 stops11h 10mDelta
Tue 7/87:30 amRDU - STL
1 stop6h 04mDelta
Deal found 6/12$348
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/193:20 pmSTL - RDU
1 stop5h 38mUnited Airlines
Mon 9/223:10 pmRDU - STL
2 stops9h 34mUnited Airlines
Deal found 6/10$392

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 June 12, 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

Thu 7/10

10:47 am-4:12 pm

1 stop4h 25m

Raleigh-Durham

Sun 7/13

5:10 pm-9:52 am

1 stop17h 42m

$146

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 7/10

10:47 am-4:12 pm

1 stop4h 25m

Raleigh-Durham

Mon 7/14

6:00 am-11:47 pm

1 stop18h 47m

$229

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 7/1

5:47 pm-11:56 pm

1 stop5h 09m

Raleigh-Durham

Thu 7/10

12:58 pm-7:23 pm

1 stop7h 25m

$300

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 8/29

7:25 pm-10:15 pm

Nonstop1h 50m

Raleigh-Durham

Mon 9/1

8:05 am-9:10 am

Nonstop2h 05m

$302

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 8/29

7:01 am-1:46 pm

1 stop5h 45m

Raleigh-Durham

Tue 9/2

1:14 pm-5:10 pm

1 stop4h 56m

$317

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sat 7/5

9:19 am-11:23 pm

2 stops13h 04m

Raleigh-Durham

Wed 7/9

9:49 am-1:21 pm

1 stop4h 32m

$348

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 8/21

6:35 am-2:10 pm

2 stops6h 35m

Raleigh-Durham

Sun 8/24

6:00 am-2:33 pm

2 stops9h 33m

$397

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 7/24

10:47 am-4:12 pm

1 stop4h 25m

$58

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 9/9

5:55 am-3:06 pm

1 stop8h 11m

$127

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 8/21

7:25 pm-10:15 pm

Nonstop1h 50m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 14 results
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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

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 June 9, 2025.

Booking 41 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, August is the cheapest month in which you can book a flight from St. Louis to Raleigh (average of $206). Flying from St. Louis to Raleigh in March is currently the most expensive (average of $294). 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 June 12, 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 9% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Raleigh. Price data was last updated on June 8, 2025.

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

Rainfall in Raleigh by month

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

In terms of precipitation, rainfall in Raleigh ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Raleigh when rainfall is around 2.9 in.

Temperature in Raleigh by month

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

If weather is an important factor for your trip to Raleigh, 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 41.0 F).

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 June 12, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from St. Louis to Raleigh have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,946 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 5 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.

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

    Spirit Airlines, at $146, was found to be the cheapest airline from St. Louis to Raleigh.Alternate airlines to your destination round-trip include Frontier and Southwest. Users have found that Spirit Airlines is 59% 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 Spirit Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $127 and $129 on American Airlines and Southwest, respectively.

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

    On average you can expect to pay $297 for a flight from St. Louis to Raleigh. The cheapest flight overall is $139 while the most popular route, (Lambert-St Louis - Raleigh-Durham) is currently priced at $153.

  • 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, August is the cheapest month in which you can book a flight from St. Louis to Raleigh (average of $206). Flying from St. Louis to Raleigh in March is currently the most expensive (average of $294). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Morrisville
Dunn
Smithfield
Cary
Rocky Mount
Chapel Hill
Goldsboro
Apex
Garner
Wake Forest
Wilson
Danville
Henderson
Holly Springs
Oxford

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Alternative routes for St. Louis to Raleigh

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Top 5 airlines flying from St. Louis to Raleigh

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$116Average$184FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$224Average$363FlexibilityNo cancel feeOn-time71%
DeltaCheapest$229Average$384FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$257Average$366FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$325Average$427FlexibilityNo cancel feeOn-time69%

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