Cheap flights from St. Louis to Raleigh from $66

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 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:41 pm - 8:04 am
STL
-
RDU
12h 23m
1 stop
Frontier Logo
12:54 pm - 8:55 am
RDU
-
STL
21h 01m
1 stop
$134Frontier
mar., may. 5 - mar., may. 12
Frontier Logo
6:55 pm - 8:04 am
STL
-
RDU
12h 09m
1 stop
Frontier Logo
12:54 pm - 8:55 am
RDU
-
STL
21h 01m
1 stop
$146Frontier
jue., may. 7 - mar., may. 12
Frontier Logo
4:59 pm - 9:59 am
STL
-
RDU
16h 00m
1 stop
Frontier Logo
6:55 pm - 7:21 pm
RDU
-
STL
25h 26m
1 stop
$151Frontier
mar., abr. 14 - mié., abr. 15
Frontier Logo
8:23 pm - 9:30 am
STL
-
RDU
12h 07m
1 stop
Frontier Logo
12:54 pm - 4:54 pm
RDU
-
STL
5h 00m
1 stop
$155Frontier
vie., may. 1 - jue., may. 7
Frontier Logo
5:27 pm - 12:33 am
STL
-
RDU
6h 06m
1 stop
Frontier Logo
12:26 pm - 7:23 pm
RDU
-
STL
7h 57m
1 stop
$160Frontier
mié., may. 6 - lun., may. 18
Frontier Logo
5:27 pm - 12:33 am
STL
-
RDU
6h 06m
1 stop
Frontier Logo
12:26 pm - 7:23 pm
RDU
-
STL
7h 57m
1 stop
$161Frontier
mié., may. 6 - sáb., may. 9
Frontier Logo
4:59 pm - 4:56 pm
STL
-
RDU
22h 57m
1 stop
Frontier Logo
10:51 pm - 11:19 pm
RDU
-
STL
25h 28m
1 stop
$171Frontier
vie., abr. 24 - lun., abr. 27
Frontier Logo
8:19 pm - 6:02 pm
STL
-
RDU
20h 43m
1 stop
Frontier Logo
7:37 pm - 11:19 pm
RDU
-
STL
28h 42m
1 stop
$180Frontier
lun., abr. 13 - mar., abr. 14
Frontier Logo
5:27 pm - 12:33 am
STL
-
RDU
6h 06m
1 stop
Frontier Logo
12:26 pm - 7:23 pm
RDU
-
STL
7h 57m
1 stop
$181Frontier
mié., may. 6 - lun., may. 11
Frontier Logo
6:41 pm - 12:33 am
STL
-
RDU
4h 52m
1 stop
Frontier Logo
12:54 pm - 5:33 pm
RDU
-
STL
5h 39m
1 stop
$183Frontier
mar., may. 5 - mar., may. 12

Frontier flights from St. Louis to Raleigh

Our best Frontier deals on St. Louis to Raleigh flight tickets
Frontier
May 5
STL6:41 pmLambert-St Louis
12h 23m
1 stop
RDU8:04 amRaleigh-Durham
May 12
RDU12:54 pmRaleigh-Durham
21h 01m
1 stop
STL8:55 amLambert-St Louis
$134
Frontier
May 7
STL6:55 pmLambert-St Louis
12h 09m
1 stop
RDU8:04 amRaleigh-Durham
May 12
RDU12:54 pmRaleigh-Durham
21h 01m
1 stop
STL8:55 amLambert-St Louis
$146
Frontier
Apr 14
STL4:59 pmLambert-St Louis
16h 00m
1 stop
RDU9:59 amRaleigh-Durham
Apr 15
RDU6:55 pmRaleigh-Durham
25h 26m
1 stop
STL7:21 pmLambert-St Louis
$151

United Airlines flights from St. Louis to Raleigh

Our best United Airlines deals on St. Louis to Raleigh flight tickets
United Airlines
Mar 26
STL8:30 amLambert-St Louis
4h 34m
1 stop
RDU2:04 pmRaleigh-Durham
Apr 2
RDU6:00 amRaleigh-Durham
7h 22m
2 stops
STL12:22 pmLambert-St Louis
$356
United Airlines
Mar 24
STL6:25 amLambert-St Louis
6h 39m
2 stops
RDU2:04 pmRaleigh-Durham
Mar 26
RDU1:27 pmRaleigh-Durham
5h 33m
1 stop
STL6:00 pmLambert-St Louis
$391
United Airlines
Mar 30
STL10:00 amLambert-St Louis
10h 48m
2 stops
RDU9:48 pmRaleigh-Durham
Apr 30
RDU6:20 amRaleigh-Durham
5h 28m
1 stop
STL10:48 amLambert-St Louis
$429

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 marzo 23, 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

Price

Cheapest round-trip

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mar. 5/5

6:41 pm-8:04 am

1 stop12h 23m

Raleigh-Durham

mar. 5/12

12:54 pm-8:55 am

1 stop21h 01m

$134

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

jue. 5/7

6:55 pm-8:04 am

1 stop12h 09m

Raleigh-Durham

mar. 5/12

12:54 pm-8:55 am

1 stop21h 01m

$146

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mar. 4/14

4:59 pm-9:59 am

1 stop16h 00m

Raleigh-Durham

mié. 4/15

6:55 pm-7:21 pm

1 stop25h 26m

$151

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

vie. 5/1

8:23 pm-9:30 am

1 stop12h 07m

Raleigh-Durham

jue. 5/7

12:54 pm-4:54 pm

1 stop5h 00m

$155

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mié. 5/6

5:27 pm-12:33 am

1 stop6h 06m

Raleigh-Durham

lun. 5/18

12:26 pm-7:23 pm

1 stop7h 57m

$160

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mié. 5/6

5:27 pm-12:33 am

1 stop6h 06m

Raleigh-Durham

sáb. 5/9

12:26 pm-7:23 pm

1 stop7h 57m

$161

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

vie. 4/24

4:59 pm-4:56 pm

1 stop22h 57m

Raleigh-Durham

lun. 4/27

10:51 pm-11:19 pm

1 stop25h 28m

$171

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

lun. 4/13

8:19 pm-6:02 pm

1 stop20h 43m

Raleigh-Durham

mar. 4/14

7:37 pm-11:19 pm

1 stop28h 42m

$180

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mié. 5/6

5:27 pm-12:33 am

1 stop6h 06m

Raleigh-Durham

lun. 5/11

12:26 pm-7:23 pm

1 stop7h 57m

$181
Quickest round-trip

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

mar. 5/5

6:41 pm-12:33 am

1 stop4h 52m

Raleigh-Durham

mar. 5/12

12:54 pm-5:33 pm

1 stop5h 39m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 January is also very affordable. Most momondo users find prices during this month for around $344.

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 Thursday 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?

In the afternoon is the cheapest time of day to fly from St. Louis to Raleigh when you can find flight prices for as low as $360. Flying to Raleigh in the afternoon 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 $416.

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 $400 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 11% 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 March 2026, prices for St. Louis to Raleigh flights are approximately 20% 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

$265

Fastest flight time

1h 50m

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 $265. The best round-trip flight deal from St. Louis to Raleigh found on momondo in the last 72 hours is $419.
The fastest flight from St. Louis to Raleigh takes 1h 50m
Direct flights go from St. Louis to Raleigh every day.
There is 1 airport in Raleigh. From St. Louis there are direct flights to 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 $134Free CancellationRating
5.7
3,020 reviews
Search Frontier flights
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
DeltaPriceFrom $218Free CancellationRating
7.9
8,318 reviews
Search Delta flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,324 reviews
Search Southwest 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 $412, 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 4,324 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
Roanoke Rapids
Pinehurst
Morrisville
Sanford
Wake Forest
Southern Pines
Henderson
Dunn
Apex
Holly Springs

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

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1 adult
mié. 4/22
mié. 4/29

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