$56+ Cheap flights from St. Louis to Raleigh (STL - RDU)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — RDU
Oct 5 — Oct 121
Round-trip
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 February or January, booked 16 days in advance, depart on a Wednesday or Sunday and return on a Saturday
Cheap flight deals from St. Louis to Raleigh
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to RaleighExplore 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 September 5, 2026.
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 September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop21h 09m
Wed 10/76:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Tue 10/61:56 pm -
1 stop24h 14m
Deal found 9/1![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop9h 00m
Mon 10/56:35 am -
1 stop7h 35m
Deal found 9/2![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/52:29 pm -
1 stop21h 09m
Wed 10/76:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/22:29 pm -
1 stop9h 00m
Sun 10/41:56 pm -
1 stop24h 14m
Deal found 9/3![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Sun 10/41:56 pm -
1 stop24h 14m
Deal found 9/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 9/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Fri 10/26:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Fri 10/166:35 pm -
1 stop4h 53m
Mon 10/191:16 pm -
1 stop5h 24m
Deal found 9/1![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 9/252:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 9/3![Frontier logo]()
$142
Best flights from St. Louis to RaleighDiscover carefully curated flight deals from St. Louis to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from St. Louis to Raleigh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This Southwest deal was found by Cheapflights users on 9/1. 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.
Thu 9/246:50 pm -
Nonstop1h 55m
Mon 9/284:20 pm -
1 stop6h 50m
Deal found 9/1![Southwest logo]()
$307
This United Airlines deal was found by Cheapflights users on 9/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:08 pm -
2 stops9h 42m
Tue 11/107:15 am -
2 stops9h 28m
Deal found 9/2![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 8/31. 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 9/256:50 pm -
Nonstop1h 55m
Mon 9/286:05 pm -
1 stop5h 30m
Deal found 8/31![Southwest logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:00 am -
2 stops8h 09m
Tue 11/36:00 am -
2 stops10h 43m
Deal found 9/4![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 9/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:45 am -
1 stop4h 10m
Fri 10/97:50 pm -
Nonstop2h 10m
Deal found 9/5![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
2 stops7h 05m
Wed 10/77:05 am -
2 stops9h 16m
Deal found 9/3![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:25 am -
1 stop4h 35m
Sat 10/106:35 am -
Nonstop2h 10m
Deal found 9/4![Southwest logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/51:29 pm -
2 stops9h 30m
Sat 10/101:50 pm -
2 stops8h 31m
Deal found 9/4![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 9/1. 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.
Thu 9/246:50 pm -
Nonstop1h 55m
Sun 9/276:35 am -
Nonstop2h 05m
Deal found 9/1![Southwest logo]()
$342
This Southwest deal was found by Cheapflights users on 9/1. 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 9/256:50 pm -
Nonstop1h 55m
Sun 9/276:35 am -
Nonstop2h 05m
Deal found 9/1![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 9/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/192:35 pm -
1 stop7h 35m
Fri 11/207:50 pm -
Nonstop2h 10m
Deal found 9/4![Southwest logo]()
$371
Last-minute flights from St. Louis to RaleighDiscover last-minute flight deals from St. Louis to Raleigh. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Raleigh. Data last updated September 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/232:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 9/2![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 9/252:29 pm -
1 stop9h 00m
Sun 9/271:56 pm -
1 stop24h 14m
Deal found 9/3![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop21h 09m
Wed 10/76:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Tue 10/61:56 pm -
1 stop24h 14m
Deal found 9/1![Frontier logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Sun 10/41:56 pm -
1 stop24h 14m
Deal found 9/1![Frontier logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/1. 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 9/302:29 pm -
1 stop9h 00m
Fri 10/26:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:29 pm -
1 stop9h 00m
Mon 10/56:35 am -
1 stop7h 35m
Deal found 9/2![Frontier logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/3. 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.
Fri 10/22:29 pm -
1 stop9h 00m
Sun 10/41:56 pm -
1 stop24h 14m
Deal found 9/3![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/52:29 pm -
1 stop21h 09m
Wed 10/76:35 am -
1 stop7h 35m
Deal found 9/1![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Fri 10/166:35 pm -
1 stop4h 53m
Mon 10/191:16 pm -
1 stop5h 24m
Deal found 9/1![Frontier logo]()
$133
One-way flights from St. Louis to RaleighSearch for one-way flight options from St. Louis to Raleigh. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from St. Louis to Raleigh. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/46:44 pm -
1 stop27h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$56
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Wed 10/72:29 pm -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$58
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:29 pm -
1 stop21h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 9/5. 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.
Mon 10/52:29 pm -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Frontier logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/22:59 pm -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$64
This Frontier deal was found by Cheapflights users on 9/2. 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 10/306:44 pm -
1 stop4h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 10/126:35 pm -
1 stop4h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 9/1. 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.
Mon 9/282:29 pm -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Frontier logo]()
$68
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 September 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Kiwi.com) |
One-way from | $56 (Kiwi.com) |
Popular in | May |
Cheapest in | February |
Average price | $422 |
Good round-trip deal | $405 or less |
Good one-way deal | $183 or less |
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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from St. Louis to Raleigh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Thu 12/3
5:31 pm-10:17 pm
1 stop3h 46m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Tue 11/3
7:30 am-1:44 pm
1 stop5h 14m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Sat 10/3
1:40 pm-7:05 pm
1 stop4h 25m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Thu 10/29
7:00 am-12:37 pm
1 stop4h 37m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Sat 10/31
6:00 am-11:40 am
1 stop4h 40m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Tue 12/1
6:33 am-1:49 pm
2 stops6h 16m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Thu 12/3
6:33 am-1:49 pm
2 stops6h 16m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Fri 9/18
5:19 pm-12:44 pm
1 stop18h 25m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$136
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Thu 10/1
6:54 pm-12:28 am
1 stop4h 34m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
St. LouisRaleigh
STL Lambert-St Louis - RDU Raleigh-Durham
STLRDU
Lambert-St Louis
Tue 10/6
6:05 pm-11:41 pm
1 stop4h 36m
Raleigh-Durham
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
Showing 1-10 of 21 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
STL-RDU
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?
Booking 15 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 $326). Flying from St. Louis to Raleigh in May is currently the most expensive (average of $589). 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 September 5, 2026.
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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 14% 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
Our travel experts
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 September 5, 2026.
Get a feel of what it's like to fly with Southwest,Delta, andAmerican 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.
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Boarding
8.1
Overall
8.0
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
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.
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Henderson
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Top 4 airlines flying from St. Louis to Raleigh
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$195 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$127 | Average$360 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$158 | Average$351 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$297 | Average$463 | FlexibilityNo cancel fee | On-time63% |