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Cheap flights from St. Louis to Raleigh from $55

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 1/31. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:16 am - 9:04 pmSTL-RDU
9h 48m1 stop
Frontier Logo
2:54 pm - 11:33 pmRDU-STL
9h 39m1 stop
$110Frontier
Find Deal
Mon, Jan 26 - Tue, Jan 27
Frontier Logo
10:47 am - 12:12 amSTL-RDU
12h 25m1 stop
Frontier Logo
1:05 pm - 9:40 amRDU-STL
21h 35m1 stop
$129Frontier
Find Deal
Mon, Dec 15 - Wed, Dec 24
Frontier Logo
9:54 am - 4:44 pmSTL-RDU
5h 50m1 stop
Frontier Logo
6:00 am - 9:47 amRDU-STL
4h 47m1 stop
$142Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
3:30 pm - 12:12 amSTL-RDU
31h 42m2 stops
Frontier Logo
1:05 pm - 9:40 amRDU-STL
21h 35m1 stop
$150Frontier
Find Deal
Mon, Dec 15 - Wed, Dec 24
Frontier Logo
10:42 am - 12:12 amSTL-RDU
12h 30m1 stop
Frontier Logo
1:03 pm - 9:52 amRDU-STL
21h 49m1 stop
$161Frontier
Find Deal
Fri, Dec 12 - Sun, Dec 14
Frontier Logo
5:11 pm - 7:53 amSTL-RDU
13h 42m1 stop
Frontier Logo
8:56 pm - 8:40 amRDU-STL
12h 44m1 stop
$182Frontier
Find Deal
Wed, Jan 7 - Sat, Jan 10
Frontier Logo
10:42 am - 12:12 amSTL-RDU
12h 30m1 stop
Frontier Logo
5:45 am - 10:33 pmRDU-STL
17h 48m2 stops
$185Frontier
Find Deal
Sun, Dec 7 - Sat, Dec 13
Frontier Logo
9:54 am - 4:44 pmSTL-RDU
5h 50m1 stop
Frontier Logo
6:10 am - 9:52 amRDU-STL
4h 42m1 stop
$186Frontier
Find Deal
Fri, Dec 12 - Mon, Dec 15
Frontier Logo
10:42 am - 12:12 amSTL-RDU
12h 30m1 stop
Frontier Logo
10:44 am - 10:02 amRDU-STL
24h 18m2 stops
$189Frontier
Find Deal
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
10:42 am - 12:12 amSTL-RDU
12h 30m1 stop
Frontier Logo
7:36 pm - 10:02 amRDU-STL
15h 26m1 stop
$198Frontier
Find Deal
Fri, Feb 20 - Sun, Feb 22

Frontier flights from St. Louis to Raleigh

Our best Frontier deals on St. Louis to Raleigh flight tickets
Frontier
Jan 26
STL10:16 amLambert-St Louis
9h 48m
1 stop
RDU9:04 pmRaleigh-Durham
Jan 27
RDU2:54 pmRaleigh-Durham
9h 39m
1 stop
STL11:33 pmLambert-St Louis
$110
Find similar
Frontier
Dec 15
STL10:47 amLambert-St Louis
12h 25m
1 stop
RDU12:12 amRaleigh-Durham
Dec 24
RDU1:05 pmRaleigh-Durham
21h 35m
1 stop
STL9:40 amLambert-St Louis
$129
Find similar
Frontier
Dec 5
STL9:54 amLambert-St Louis
5h 50m
1 stop
RDU4:44 pmRaleigh-Durham
Dec 7
RDU6:00 amRaleigh-Durham
4h 47m
1 stop
STL9:47 amLambert-St Louis
$142
Find similar

Southwest flights from St. Louis to Raleigh

Our best Southwest deals on St. Louis to Raleigh flight tickets
Southwest
Feb 15
STL1:40 pmLambert-St Louis
3h 45m
1 stop
RDU6:25 pmRaleigh-Durham
Feb 24
RDU10:45 amRaleigh-Durham
6h 45m
1 stop
STL4:30 pmLambert-St Louis
$302
Find similar
Southwest
Dec 15
STL1:50 pmLambert-St Louis
6h 05m
1 stop
RDU8:55 pmRaleigh-Durham
Dec 24
RDU6:15 pmRaleigh-Durham
2h 15m
STL7:30 pmLambert-St Louis
$303
Find similar
Southwest
Dec 15
STL8:20 amLambert-St Louis
1h 50m
RDU11:10 amRaleigh-Durham
Dec 24
RDU6:15 pmRaleigh-Durham
2h 15m
STL7:30 pmLambert-St Louis
$320
Find similar

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 16, 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

Mon 1/26

10:16 am-9:04 pm

1 stop9h 48m

Raleigh-Durham

Tue 1/27

2:54 pm-11:33 pm

1 stop9h 39m

$110

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 12/15

10:47 am-12:12 am

1 stop12h 25m

Raleigh-Durham

Wed 12/24

1:05 pm-9:40 am

1 stop21h 35m

$129

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 12/5

9:54 am-4:44 pm

1 stop5h 50m

Raleigh-Durham

Sun 12/7

6:00 am-9:47 am

1 stop4h 47m

$142

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 12/15

3:30 pm-12:12 am

2 stops31h 42m

Raleigh-Durham

Wed 12/24

1:05 pm-9:40 am

1 stop21h 35m

$150

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 12/12

10:42 am-12:12 am

1 stop12h 30m

Raleigh-Durham

Sun 12/14

1:03 pm-9:52 am

1 stop21h 49m

$161

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 1/7

5:11 pm-7:53 am

1 stop13h 42m

Raleigh-Durham

Sat 1/10

8:56 pm-8:40 am

1 stop12h 44m

$182

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sun 12/7

10:42 am-12:12 am

1 stop12h 30m

Raleigh-Durham

Sat 12/13

5:45 am-10:33 pm

2 stops17h 48m

$185

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 12/12

9:54 am-4:44 pm

1 stop5h 50m

Raleigh-Durham

Mon 12/15

6:10 am-9:52 am

1 stop4h 42m

$186

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 2/20

10:42 am-12:12 am

1 stop12h 30m

Raleigh-Durham

Sun 2/22

10:44 am-10:02 am

2 stops24h 18m

$189

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 2/20

10:42 am-12:12 am

1 stop12h 30m

Raleigh-Durham

Sun 2/22

7:36 pm-10:02 am

1 stop15h 26m

$198

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 cheapest month to fly to Raleigh?

The cheapest month to fly to Raleigh from St. Louis is in October. Flight prices, which tend to average around $330, are often lower during this time because this is during the off-season. If you are unable to visit Raleigh during the month of October, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $351.

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 $401 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)
Search flight deals

  • 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 45m.

  • 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
3,109 reviews
Search Frontier flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,009 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,245 reviews
Search Southwest flights

  • Southwest Flights From St. Louis to Raleigh

    Southwest operates around 4 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 4,245 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.

An easier way to manage your Raleigh trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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