Cheap flights from St. Louis to Raleigh from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Raleigh departing on 12/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Frontier Logo
12:04 pm - 12:12 amSTL-RDU
11h 08m1 stop
Frontier Logo
6:10 am - 9:52 amRDU-STL
4h 42m1 stop
$110Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Frontier Logo
10:42 am - 12:13 amSTL-RDU
12h 31m1 stop
Frontier Logo
10:46 am - 10:33 pmRDU-STL
12h 47m1 stop
$123Frontier
Find Deal
Thu, Dec 25 - Tue, Jan 6
Frontier Logo
3:14 pm - 11:32 pmSTL-RDU
7h 18m1 stop
Frontier Logo
3:02 pm - 11:57 pmRDU-STL
9h 55m1 stop
$127Frontier
Find Deal
Thu, Nov 20 - Sun, Nov 23
American Airlines Logo
6:38 am - 11:54 amSTL-RDU
4h 16m1 stop
American Airlines Logo
5:29 am - 8:05 amRDU-STL
3h 36m1 stop
$179American Airlines
Find Deal
Wed, Apr 8 - Tue, Apr 14
Multiple Airlines Logo
7:03 pm - 1:35 pmSTL-RDU
17h 32m2 stops
Multiple Airlines Logo
6:00 am - 11:07 amRDU-STL
6h 07m1 stop
$182Multiple Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4
Multiple Airlines Logo
10:42 am - 12:13 amSTL-RDU
12h 31m1 stop
Multiple Airlines Logo
5:50 pm - 9:47 amRDU-STL
40h 57m2 stops
$185Multiple Airlines
Find Deal
Thu, Dec 25 - Tue, Jan 6
American Airlines Logo
6:52 am - 11:40 amSTL-RDU
3h 48m1 stop
American Airlines Logo
6:00 am - 10:26 amRDU-STL
5h 26m1 stop
$221American Airlines
Find Deal
Wed, Dec 10 - Thu, Dec 11
Southwest Logo
2:00 pm - 8:10 pmSTL-RDU
5h 10m1 stop
Southwest Logo
8:15 am - 9:30 amRDU-STL
2h 15mnonstop
$281Southwest
Find Deal
Wed, Dec 10 - Thu, Dec 11
Southwest Logo
8:15 am - 11:05 amSTL-RDU
1h 50mnonstop
Southwest Logo
3:15 pm - 7:00 pmRDU-STL
4h 45m1 stop
$287Southwest
Find Deal
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
6:30 am - 2:03 pmSTL-RDU
6h 33m2 stops
United Airlines Logo
1:26 pm - 7:19 pmRDU-STL
6h 53m1 stop
$314United Airlines
Find Deal
Wed, Mar 4 - Tue, Mar 10

Southwest flights from St. Louis to Raleigh

Our best Southwest deals on St. Louis to Raleigh flight tickets
Southwest
Dec 10
STL2:00 pmLambert-St Louis
5h 10m
1 stop
RDU8:10 pmRaleigh-Durham
Dec 11
RDU8:15 amRaleigh-Durham
2h 15m
STL9:30 amLambert-St Louis
Southwest
Jan 29
STL8:15 amLambert-St Louis
1h 50m
RDU11:05 amRaleigh-Durham
Feb 2
RDU3:15 pmRaleigh-Durham
4h 45m
1 stop
STL7:00 pmLambert-St Louis
Southwest
Mar 4
STL1:15 pmLambert-St Louis
6h 20m
1 stop
RDU8:35 pmRaleigh-Durham
Mar 10
RDU6:25 amRaleigh-Durham
2h 20m
STL7:45 amLambert-St Louis

Frontier flights from St. Louis to Raleigh

Our best Frontier deals on St. Louis to Raleigh flight tickets
Frontier
Dec 4
STL12:04 pmLambert-St Louis
11h 08m
1 stop
RDU12:12 amRaleigh-Durham
Dec 8
RDU6:10 amRaleigh-Durham
4h 42m
1 stop
STL9:52 amLambert-St Louis
Frontier
Dec 25
STL10:42 amLambert-St Louis
12h 31m
1 stop
RDU12:13 amRaleigh-Durham
Jan 6
RDU10:46 amRaleigh-Durham
12h 47m
1 stop
STL10:33 pmLambert-St Louis
Frontier
Nov 20
STL3:14 pmLambert-St Louis
7h 18m
1 stop
RDU11:32 pmRaleigh-Durham
Nov 23
RDU3:02 pmRaleigh-Durham
9h 55m
1 stop
STL11:57 pmLambert-St Louis

momondo 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, momondo users made 832,500 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

Fly to

Route

Depart

Return

Price

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 12/4

12:04 pm-12:12 am

1 stop11h 08m

Raleigh-Durham

Mon 12/8

6:10 am-9:52 am

1 stop4h 42m

$110

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 12/25

10:42 am-12:13 am

1 stop12h 31m

Raleigh-Durham

Tue 1/6

10:46 am-10:33 pm

1 stop12h 47m

$123

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 11/20

3:14 pm-11:32 pm

1 stop7h 18m

Raleigh-Durham

Sun 11/23

3:02 pm-11:57 pm

1 stop9h 55m

$127

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 4/8

6:38 am-11:54 am

1 stop4h 16m

Raleigh-Durham

Tue 4/14

5:29 am-8:05 am

1 stop3h 36m

$179

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 12/1

7:03 pm-1:35 pm

2 stops17h 32m

Raleigh-Durham

Thu 12/4

6:00 am-11:07 am

1 stop6h 07m

$182

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 12/25

10:42 am-12:13 am

1 stop12h 31m

Raleigh-Durham

Tue 1/6

5:50 pm-9:47 am

2 stops40h 57m

$185

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 12/10

6:52 am-11:40 am

1 stop3h 48m

Raleigh-Durham

Thu 12/11

6:00 am-10:26 am

1 stop5h 26m

$221

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

Thu 1/29

8:15 am-11:05 am

Nonstop1h 50m

Raleigh-Durham

Mon 2/2

3:15 pm-7:00 pm

1 stop4h 45m

$287

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Raleigh from

How to get the cheapest flight ticket from St. Louis to Raleigh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Raleigh?

What is the cheapest month to fly to Raleigh?

The cheapest month to fly to Raleigh from St. Louis is in September. Flight prices, which tend to average around $351, are often lower during this time because this is during the off-season. If you are unable to visit Raleigh during the month of September, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $363.

What is the cheapest day to depart on your flight to Raleigh?

The cheapest day to depart from St. Louis to Raleigh is on a Monday when prices can be found for as low as $312. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $427. These prices are subject to change though, so be sure to set up a Price Alert for flights to Raleigh.

What is the cheapest time of day to depart on your flight to Raleigh?

At noon is the cheapest time of day to fly from St. Louis to Raleigh when you can find flight prices for as low as $344. Flying to Raleigh at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Raleigh is in the morning when prices are around $427.

What is the cheapest Lambert-St Louis to Raleigh-Durham flight route?

Fly from Lambert-St Louis to Raleigh-Durham for the best Lambert-St Louis - Raleigh-Durham flight prices

How far in advance should I book a flight to Raleigh?

You are more likely to see cheaper flights to Raleigh from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Raleigh for around $403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Raleigh from St. Louis for as low as $201 on momondo.

What cabin class options are available on Lambert-St Louis to Raleigh-Durham flights?

There is only 1 cabin class available to choose from on Lambert-St Louis to Raleigh-Durham flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on St. Louis to Raleigh flights?

You could potentially save up to 31% on your flight if you consider stops on a St. Louis to Raleigh flight.

How have St. Louis to Raleigh flight prices changed over time?

As of November 2025, prices for St. Louis to Raleigh flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from St. Louis to Raleigh

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Raleigh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Raleigh (STL to RDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Raleigh

Best Price Found

$168

Fastest flight time

1h 45m

Direct flights

Every day

Airports in Raleigh

1 airport
The best one-way flight to Raleigh from St. Louis in the past 72 hours is $168. The best round-trip flight deal from St. Louis to Raleigh found on momondo in the last 72 hours is $353.
The fastest flight from St. Louis to Raleigh takes 1h 45m
Direct flights go from St. Louis to Raleigh every day.
There is 1 airport near Raleigh: Raleigh-Durham (RDU)
  • How far is Lambert-St Louis to Raleigh-Durham by plane?

    Lambert-St Louis and Raleigh-Durham are 665.0 mi apart from one another. By plane, this route typically takes 1h 50m.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Raleigh-Durham Airport?

    Prices for flights from Lambert-St Louis Airport to Raleigh-Durham Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Raleigh-Durham Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Raleigh-Durham Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Raleigh-Durham Airport.

  • What documentation or ID do you need to fly to Raleigh-Durham Airport?

    The necessary travel and health documents for your Raleigh-Durham Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from St. Louis to Raleigh?

  • What is the most popular airline from St. Louis to Raleigh?

Best airlines flying from St. Louis to Raleigh

Compare and see reviews for airlines that fly from St. Louis to Raleigh with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $128Free CancellationRating
5.8
3,116 reviews
Search Frontier flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,001 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
  • Southwest Flights From St. Louis to Raleigh

    Southwest operates around 12 flights from St. Louis to Raleigh every week. The average price of these flights found in the last 72 hours has been $382, but momondo users have found Southwest deals from St. Louis to Raleigh from as low as $257 round-trip. Southwest has been scored 8.0/10 in 4,241 reviews.

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Durham
Danville
Cary
Rocky Mount
Chapel Hill
Goldsboro
Wilson
Smithfield
Garner
South Hill
Pinehurst
Sanford
Roanoke Rapids
Southern Pines
Wake Forest
Morrisville
Dunn
Henderson
Apex
Selma

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Raleigh?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Raleigh from St. Louis.

Can I find flights from St. Louis to Raleigh with flexible booking policies on momondo?

momondo does allow users to show only those flights to Raleigh from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Raleigh?

Once you have performed a search for St. Louis to Raleigh flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from St. Louis to Raleigh right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Raleigh flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 12/6
Sat 12/13

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