Cheap flights from St. Louis to Raleigh from $65

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 5/6. 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
11:21 am - 3:02 pm
STL
-
RDU
26h 41m
1 stop
Frontier Logo
4:00 pm - 6:50 am
RDU
-
STL
15h 50m
1 stop
$134Frontier
Tue, Apr 7 - Tue, Apr 14
Frontier Logo
11:21 am - 8:27 am
STL
-
RDU
20h 06m
1 stop
Frontier Logo
6:00 am - 5:34 pm
RDU
-
STL
12h 34m
1 stop
$142Frontier
Thu, Mar 26 - Thu, Apr 2
Frontier Logo
11:21 am - 12:15 am
STL
-
RDU
11h 54m
1 stop
Frontier Logo
4:07 pm - 6:50 am
RDU
-
STL
15h 43m
1 stop
$146Frontier
Thu, May 7 - Fri, May 8
Frontier Logo
11:21 am - 3:02 pm
STL
-
RDU
26h 41m
1 stop
Frontier Logo
4:00 pm - 10:30 am
RDU
-
STL
19h 30m
1 stop
$148Frontier
Tue, Apr 7 - Wed, Apr 15
Frontier Logo
6:29 pm - 8:46 am
STL
-
RDU
13h 17m
1 stop
Frontier Logo
4:00 pm - 6:50 am
RDU
-
STL
15h 50m
1 stop
$154Frontier
Thu, Apr 9 - Tue, Apr 14
Frontier Logo
11:27 am - 3:02 pm
STL
-
RDU
26h 35m
1 stop
Frontier Logo
6:00 am - 5:34 pm
RDU
-
STL
12h 34m
1 stop
$156Frontier
Tue, Mar 31 - Thu, Apr 2
Frontier Logo
11:21 am - 11:20 pm
STL
-
RDU
10h 59m
1 stop
Frontier Logo
5:51 pm - 11:19 pm
RDU
-
STL
6h 28m
1 stop
$160Frontier
Thu, Apr 30 - Sat, May 2
Frontier Logo
8:23 pm - 3:04 pm
STL
-
RDU
17h 41m
1 stop
Frontier Logo
3:49 pm - 6:50 am
RDU
-
STL
16h 01m
1 stop
$162Frontier
Mon, Apr 27 - Fri, May 1
Frontier Logo
8:23 pm - 9:30 am
STL
-
RDU
12h 07m
1 stop
Frontier Logo
3:42 pm - 6:50 am
RDU
-
STL
16h 08m
1 stop
$164Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
8:23 pm - 9:30 am
STL
-
RDU
12h 07m
1 stop
Frontier Logo
4:07 pm - 6:50 am
RDU
-
STL
15h 43m
1 stop
$167Frontier
Fri, May 1 - Tue, May 5

Frontier flights from St. Louis to Raleigh

Our best Frontier deals on St. Louis to Raleigh flight tickets
Frontier
Apr 7
STL11:21 amLambert-St Louis
26h 41m
1 stop
RDU3:02 pmRaleigh-Durham
Apr 14
RDU4:00 pmRaleigh-Durham
15h 50m
1 stop
STL6:50 amLambert-St Louis
$134
Frontier
Mar 26
STL11:21 amLambert-St Louis
20h 06m
1 stop
RDU8:27 amRaleigh-Durham
Apr 2
RDU6:00 amRaleigh-Durham
12h 34m
1 stop
STL5:34 pmLambert-St Louis
$142
Frontier
May 7
STL11:21 amLambert-St Louis
11h 54m
1 stop
RDU12:15 amRaleigh-Durham
May 8
RDU4:07 pmRaleigh-Durham
15h 43m
1 stop
STL6:50 amLambert-St Louis
$146

United Airlines flights from St. Louis to Raleigh

Our best United Airlines deals on St. Louis to Raleigh flight tickets
United Airlines
Mar 11
STL8:17 amLambert-St Louis
4h 25m
1 stop
RDU1:42 pmRaleigh-Durham
Mar 14
RDU1:27 pmRaleigh-Durham
6h 47m
1 stop
STL7:14 pmLambert-St Louis
$299
United Airlines
Mar 11
STL8:30 amLambert-St Louis
4h 34m
1 stop
RDU2:04 pmRaleigh-Durham
Mar 14
RDU6:15 amRaleigh-Durham
9h 28m
2 stops
STL2:43 pmLambert-St Louis
$304
United Airlines
Mar 23
STL8:30 amLambert-St Louis
4h 34m
1 stop
RDU2:04 pmRaleigh-Durham
Mar 24
RDU10:30 amRaleigh-Durham
8h 30m
2 stops
STL6:00 pmLambert-St Louis
$349

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 March 10, 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

Tue 4/7

11:21 am-3:02 pm

1 stop26h 41m

Raleigh-Durham

Tue 4/14

4:00 pm-6:50 am

1 stop15h 50m

$134

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 3/26

11:21 am-8:27 am

1 stop20h 06m

Raleigh-Durham

Thu 4/2

6:00 am-5:34 pm

1 stop12h 34m

$142

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 5/7

11:21 am-12:15 am

1 stop11h 54m

Raleigh-Durham

Fri 5/8

4:07 pm-6:50 am

1 stop15h 43m

$146

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 4/7

11:21 am-3:02 pm

1 stop26h 41m

Raleigh-Durham

Wed 4/15

4:00 pm-10:30 am

1 stop19h 30m

$148

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 4/9

6:29 pm-8:46 am

1 stop13h 17m

Raleigh-Durham

Tue 4/14

4:00 pm-6:50 am

1 stop15h 50m

$154

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Tue 3/31

11:27 am-3:02 pm

1 stop26h 35m

Raleigh-Durham

Thu 4/2

6:00 am-5:34 pm

1 stop12h 34m

$156
Quickest round-trip

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Thu 4/30

11:21 am-11:20 pm

1 stop10h 59m

Raleigh-Durham

Sat 5/2

5:51 pm-11:19 pm

1 stop6h 28m

$160

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Mon 4/27

8:23 pm-3:04 pm

1 stop17h 41m

Raleigh-Durham

Fri 5/1

3:49 pm-6:50 am

1 stop16h 01m

$162

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 5/1

8:23 pm-9:30 am

1 stop12h 07m

Raleigh-Durham

Sun 5/3

3:42 pm-6:50 am

1 stop16h 08m

$164

St. LouisRaleigh

STL - RDU

STLRDU

Lambert-St Louis

Fri 5/1

8:23 pm-9:30 am

1 stop12h 07m

Raleigh-Durham

Tue 5/5

4:07 pm-6:50 am

1 stop15h 43m

$167

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 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 Tuesday because tickets tend to average around $440. 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 $429.

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 5% 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

$186

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 $186. The best round-trip flight deal from St. Louis to Raleigh found on momondo in the last 72 hours is $397.
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 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 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 $132Free CancellationRating
5.7
3,033 reviews
Search Frontier flights
DeltaPriceFrom $135Free CancellationRating
7.9
8,276 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
SouthwestPriceFrom $257Free CancellationRating
8.0
4,317 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 $407, 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 4,317 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
Southern Pines
Pinehurst
Morrisville
Sanford
Wake Forest
Henderson
Dunn
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

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1 adult
Thu 4/9
Thu 4/16

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