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Cheap flights from St. Louis to Raleigh from $72

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 10/10. 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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Find the cheapest flights from St. Louis to Raleigh

Cheap round-trip flights

Frontier Logo
4:00 pm - 10:50 pmSTL-RDU
5h 50m1 stop
Frontier Logo
6:22 am - 3:04 pmRDU-STL
9h 42m1 stop
$144Frontier
Find Deal
Thu, Sep 11 - Mon, Sep 15
Frontier Logo
11:07 am - 6:02 pmSTL-RDU
5h 55m1 stop
Frontier Logo
6:10 am - 10:12 amRDU-STL
5h 02m1 stop
$150Frontier
Find Deal
Thu, Nov 6 - Sun, Nov 9
Frontier Logo
4:00 pm - 10:50 pmSTL-RDU
5h 50m1 stop
Frontier Logo
9:02 pm - 8:37 pmRDU-STL
24h 35m1 stop
$151Frontier
Find Deal
Thu, Oct 2 - Sun, Oct 5
Frontier Logo
4:00 pm - 10:50 pmSTL-RDU
5h 50m1 stop
Frontier Logo
6:22 am - 3:04 pmRDU-STL
9h 42m1 stop
$154Frontier
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
7:52 pm - 4:44 pmSTL-RDU
19h 52m1 stop
Logo
9:09 am - 10:02 amRDU-STL
25h 53m1 stop
$234
Find Deal
Wed, Oct 8 - Mon, Oct 13
Logo
10:35 am - 2:35 pmSTL-RDU
27h 00m1 stop
Logo
6:06 pm - 9:06 amRDU-STL
16h 00m2 stops
$242
Find Deal
Thu, Sep 18 - Mon, Sep 22
Southwest Logo
7:05 pm - 9:50 pmSTL-RDU
1h 45mnonstop
Southwest Logo
6:55 pm - 8:00 pmRDU-STL
2h 05mnonstop
$297Southwest
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
9:10 am - 2:54 pmSTL-RDU
4h 44m1 stop
Delta Logo
5:15 am - 8:05 amRDU-STL
3h 50m1 stop
$307Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
Southwest Logo
7:25 pm - 10:15 pmSTL-RDU
1h 50mnonstop
Southwest Logo
6:45 pm - 7:50 pmRDU-STL
2h 05mnonstop
$317Southwest
Find Deal
Thu, Sep 25 - Wed, Oct 1
American Airlines Logo
7:22 am - 11:58 amSTL-RDU
3h 36m1 stop
American Airlines Logo
6:00 am - 9:56 amRDU-STL
4h 56m1 stop
$332American Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 15

Frontier flights from St. Louis to Raleigh

Our best Frontier deals on St. Louis to Raleigh flight tickets
Frontier
Sep 11
STL4:00 pmLambert-St Louis
5h 50m
1 stop
RDU10:50 pmRaleigh-Durham
Sep 15
RDU6:22 amRaleigh-Durham
9h 42m
1 stop
STL3:04 pmLambert-St Louis
$144
Find similar
Frontier
Nov 6
STL11:07 amLambert-St Louis
5h 55m
1 stop
RDU6:02 pmRaleigh-Durham
Nov 9
RDU6:10 amRaleigh-Durham
5h 02m
1 stop
STL10:12 amLambert-St Louis
$150
Find similar
Frontier
Oct 2
STL4:00 pmLambert-St Louis
5h 50m
1 stop
RDU10:50 pmRaleigh-Durham
Oct 5
RDU9:02 pmRaleigh-Durham
24h 35m
1 stop
STL8:37 pmLambert-St Louis
$151
Find similar

Spirit Airlines flights from St. Louis to Raleigh

Our best Spirit Airlines deals on St. Louis to Raleigh flight tickets
Spirit Airlines
Aug 28
STL10:37 amLambert-St Louis
7h 14m
1 stop
RDU6:51 pmRaleigh-Durham
Sep 1
RDU9:27 amRaleigh-Durham
5h 05m
1 stop
STL1:32 pmLambert-St Louis
$407
Find similar
Spirit Airlines
Aug 31
STL10:37 amLambert-St Louis
7h 14m
1 stop
RDU6:51 pmRaleigh-Durham
Sep 1
RDU9:27 amRaleigh-Durham
5h 05m
1 stop
STL1:32 pmLambert-St Louis
$457
Find similar
Spirit Airlines
Aug 28
STL2:30 pmLambert-St Louis
17h 02m
2 stops
RDU8:32 amRaleigh-Durham
Sep 1
RDU9:27 amRaleigh-Durham
5h 05m
1 stop
STL1:32 pmLambert-St Louis
$589
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 August 26, 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 9/11

4:00 pm-10:50 pm

1 stop5h 50m

Raleigh-Durham

Mon 9/15

6:22 am-3:04 pm

1 stop9h 42m

$144

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 11/6

11:07 am-6:02 pm

1 stop5h 55m

Raleigh-Durham

Sun 11/9

6:10 am-10:12 am

1 stop5h 02m

$150

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 10/2

4:00 pm-10:50 pm

1 stop5h 50m

Raleigh-Durham

Sun 10/5

9:02 pm-8:37 pm

1 stop24h 35m

$151

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 9/18

4:00 pm-10:50 pm

1 stop5h 50m

Raleigh-Durham

Mon 9/22

6:22 am-3:04 pm

1 stop9h 42m

$154

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Wed 10/8

7:52 pm-4:44 pm

1 stop19h 52m

Raleigh-Durham

Mon 10/13

9:09 am-10:02 am

1 stop25h 53m

$234

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 9/18

10:35 am-2:35 pm

1 stop27h 00m

Raleigh-Durham

Mon 9/22

6:06 pm-9:06 am

2 stops16h 00m

$242

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 10/14

7:05 pm-9:50 pm

Nonstop1h 45m

Raleigh-Durham

Tue 10/21

6:55 pm-8:00 pm

Nonstop2h 05m

$297

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 10/14

9:10 am-2:54 pm

1 stop4h 44m

Raleigh-Durham

Tue 10/21

5:15 am-8:05 am

1 stop3h 50m

$307

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 9/25

7:25 pm-10:15 pm

Nonstop1h 50m

Raleigh-Durham

Wed 10/1

6:45 pm-7:50 pm

Nonstop2h 05m

$317

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Sun 9/28

7:22 am-11:58 am

1 stop3h 36m

Raleigh-Durham

Wed 10/15

6:00 am-9:56 am

1 stop4h 56m

$332

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 $335, 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 $339.

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 $328. 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 $395.

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 $380 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 $265 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 10% 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 August 2025, prices for St. Louis to Raleigh flights are approximately 13% more expensive 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

$236

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 $236. The best round-trip flight deal from St. Louis to Raleigh found on momondo in the last 72 hours is $227.
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 $116Free CancellationRating
5.8
3,200 reviews
Search Frontier flights
SouthwestPriceFrom $222Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
DeltaPriceFrom $229Free CancellationRating
7.9
7,979 reviews
Search Delta flights
American AirlinesPriceFrom $246Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From St. Louis to Raleigh

    Southwest operates around 10 flights from St. Louis to Raleigh every week. The average price of these flights found in the last 72 hours has been $373, but momondo users have found Southwest deals from St. Louis to Raleigh from as low as $222 round-trip. Southwest has been scored 8.0/10 in 4,243 reviews.

Traveling to a place near Raleigh?

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

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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