STL - RDU

$65 Find Cheap Flights from St. Louis to Raleigh

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from St. Louis to Raleigh departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Raleigh

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Raleigh, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from St. Louis to Raleigh, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$164
Overall average: $384
Frontier
vr 5/1di 5/5
STL - RDU • 1 stop
Cheapest non-stop
$297
Typical prices: $331-$419
Southwest
wo 5/20wo 5/20
STL - RDU • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Avoid peak hours at STL for smoother security.
Use RDU Taxi for reliable curbside pickup.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $164 (round-trip)
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with Southwest. Average duration is 1h 49m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Cheapest • Avg $221 (round-trip)
Shortest trip • 3h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 28% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Raleigh!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from St. Louis to Raleigh (STL-RDU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from St. Louis to Raleigh that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Raleigh

vr, mei. 1 - di, mei. 5
Frontier Logo
8:23 pm - 9:30 am
STL
-
RDU
12h 07m
1 stop
Frontier Logo
12:54 pm - 8:55 am
RDU
-
STL
21h 01m
1 stop
$164Frontier
ma, apr. 13 - wo, apr. 15
Frontier Logo
8:19 pm - 6:02 pm
STL
-
RDU
20h 43m
1 stop
Frontier Logo
6:55 pm - 7:21 pm
RDU
-
STL
25h 26m
1 stop
$180Frontier
di, apr. 21 - zo, apr. 26
Frontier Logo
4:59 pm - 5:16 pm
STL
-
RDU
23h 17m
1 stop
Frontier Logo
9:49 pm - 7:32 pm
RDU
-
STL
22h 43m
1 stop
$189Frontier
di, apr. 28 - di, mei. 5
Frontier Logo
4:59 pm - 9:59 am
STL
-
RDU
16h 00m
1 stop
Frontier Logo
12:54 pm - 5:36 pm
RDU
-
STL
5h 42m
1 stop
$190Frontier
wo, apr. 22 - zo, apr. 26
Frontier Logo
4:59 pm - 9:59 am
STL
-
RDU
16h 00m
1 stop
Frontier Logo
9:49 pm - 7:32 pm
RDU
-
STL
22h 43m
1 stop
$191Frontier
do, apr. 9 - ma, apr. 13
Multiple Airlines Logo
6:29 pm - 8:46 am
STL
-
RDU
13h 17m
1 stop
Multiple Airlines Logo
8:45 pm - 6:50 am
RDU
-
STL
35h 05m
2 stops
$197Multiple Airlines
vr, mei. 1 - di, mei. 5
Frontier Logo
8:23 pm - 9:30 am
STL
-
RDU
12h 07m
1 stop
Frontier Logo
6:05 pm - 8:55 am
RDU
-
STL
15h 50m
2 stops
$200Frontier
vr, apr. 24 - zo, apr. 26
Frontier Logo
8:39 am - 6:10 pm
STL
-
RDU
8h 31m
1 stop
Frontier Logo
9:49 pm - 7:32 pm
RDU
-
STL
22h 43m
1 stop
$201Frontier
ma, apr. 13 - zo, apr. 19
Frontier Logo
8:19 pm - 6:02 pm
STL
-
RDU
20h 43m
1 stop
Frontier Logo
6:10 am - 6:50 am
RDU
-
STL
25h 40m
1 stop
$204Frontier
do, apr. 2 - di, apr. 7
Frontier Logo
6:29 pm - 11:43 pm
STL
-
RDU
4h 14m
1 stop
Frontier Logo
8:15 am - 11:25 pm
RDU
-
STL
16h 10m
1 stop
$210Frontier
Booking Insights

KAYAK's insights & trends for St. Louis to Raleigh flights

Get data-powered insights and trends into flights from St. Louis to Raleigh to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from St. Louis to Raleigh?

The average price of all round-trip flights from St. Louis to Raleigh clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from St. Louis to Raleigh, look for departures on Mondays and avoid leaving on a Saturday, as it's usually the priciest day. When flying back from Raleigh, Wednesday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from St. Louis to Raleigh?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from St. Louis to Raleigh, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from St. Louis to Raleigh is October, where tickets cost $330 (return) on average. On the other hand, the most expensive months are August and November, where the average cost of round-trip tickets is $580 and $457 respectively.

Can I save money by flying with a layover from St. Louis to Raleigh?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $373 on average.

How far in advance should I book a flight from St. Louis to Raleigh?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from St. Louis to Raleigh, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from St. Louis to Raleigh, you should book around 3 weeks before departure, which saves you about 28% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 17 weeks before departure.

Expert advice

Expert advice for your flight from St. Louis to Raleigh

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on RDU

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Good to know

Low seasonNovember
Cheapest flight$65
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly with an average 45% increase in price.
Flight from St. Louis to Raleigh

When to book flights from St. Louis to Raleigh

Are your dates flexible? Find out the best times to travel from St. Louis to Raleigh based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from St. Louis to Raleigh

  • What is the cheapest flight from St. Louis to Raleigh?

    In the last 3 days, the lowest price for a flight from St. Louis to Raleigh was $65 for a one-way ticket and $164 for a round-trip.

  • Do I need a passport to fly between St. Louis and Raleigh?

    A passport is not required to fly from St. Louis to Raleigh.

  • Which airports will I be using when flying from St. Louis to Raleigh?

    On your way to Raleigh, you’ll fly out from Lambert-St Louis. You’ll be landing at Raleigh-Durham.

  • Which airlines offer Wi-Fi service onboard planes from St. Louis to Raleigh?

    Only JetBlue offers inflight Wi-Fi service on the St. Louis to Raleigh flight route.

  • Which aircraft models fly most regularly from St. Louis to Raleigh?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the St. Louis to Raleigh flight route.

  • Which airline alliances offer flights from St. Louis to Raleigh?

    SkyTeam, and oneworld are the airline alliances operating flights between St. Louis and Raleigh, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from St. Louis to Raleigh?

    There are nonstop flights from St. Louis to Raleigh on a daily basis.

  • Which is the best airline for flights from St. Louis to Raleigh, Southwest or Delta?

    The two airlines most popular with KAYAK users for flights from St. Louis to Raleigh are Southwest and Delta. With an average price for the route of $407 and an overall rating of 8.0, Southwest is the most popular choice. Delta is also a great choice for the route, with an average price of $384 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from St. Louis to Raleigh?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from St. Louis to Raleigh.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from St. Louis to Raleigh?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Raleigh from St. Louis is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from St. Louis to Raleigh?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Raleigh with an airline and back to St. Louis with another airline. Booking your flights between St. Louis and RDU can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from St. Louis to Raleigh?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Raleigh from St. Louis up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from St. Louis to Raleigh

  • Looking for a cheap flight? 25% of our users found flights on this route for $186 or less one-way and $397 or less round-trip.

Prefer to fly direct from St. Louis to Raleigh?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Lambert-St Louis to Raleigh-Durham.
Find which airlines fly direct from Lambert-St Louis Airport to Raleigh-Durham Airport, which days they fly and book direct flights.

Direct departures

Lambert-St Louis to Raleigh-Durham

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Raleigh-Durham to Lambert-St Louis

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top 4 airlines serving from St. Louis to Raleigh

 
See real verified KAYAK customer reviews for airlines flying from St. Louis to Raleigh. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from St. Louis to Raleigh? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4318 reviews
7.0Food
8.1Boarding
7.5Entertainment
8.0Comfort
8.6Crew
Airline reviews

Long layover between flights to Long Island from BWI - need better coordination between flights

4.0 OkayKenny, Mar 2026
TPA - BWI
Read more Southwest reviews

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

I realize they are still working out kinks with the new boarding process, but by the time I boarded in group 5, most of the bins were full. All airlines should better enforce small bags and jackets going under the seats until everyone has boarded.

WiFi was not working and didn’t have a beverage service

Snacks are always pretzels. Why can't you also offer peanuts ?

Flight boarded late after announcing on time boarding. Flight arrived only a little late despite late departure. Had trouble connecting to WiFi

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

I was in first class and literally the men behind me were so aggressively loud I moved myself to economy. This has become so common on Delta - people using audio without headphones, and men on 12am / late night flights drinking and yelling to talk to each other which prevents anyone around them from resting. Pretty crazy to have to move from first to economy (poorer service, less comfort...). Wild wild. Looking into other airlines.

Love delta smaller commuter plane so no entertainment and paid wifi on MKE-LGA leg was extremely unreliable and slow

Stop changing gates. Stop cancelling flights Stop moving my seat.

Extremely disappointed with Delta. They canceled flight last minute and then I rebooked the other flights and with which were delayed as well

Could not get my connecting flight boarding pass until four hrs before departure! Ver annoying especially since the staff could not explain why!

The flight was flying with 30% capacity. The flight my seat from preferred seating to back of the seat. Even though i can understand that this was to balance the flight weight. The flight attendance decided to do the serving near my seat and in the middle , their noices woke me up from sleep , when i realized that the service has ended and when they were going back asked for a coffee, for which they answered they have completed teh service in my location. That really upset me as they woke me up and also rejected the coffee i asked. I ended up landing with a headache, thanks to the crew that screwed up my travel

It would have been nice if American tried to care.

I booked 1st class, my flights were changed and I was sitting in the middle at the back of the plane. A far cry from the 1st class I purchased for my flights. I am grateful I arrived on time.

There was no beverage service and the only time I saw a crew member walk through the cabin is when we were preparing to land.

Flights were constantly delayed. CRW took 50 minutes to get bags

The flight was delayed multiple times. I was autobooted and placed in the center seat in the last row of the plane.

My flight was delayed. We left at midnight. I got to Greensboro (GSO) at 1am. All of AA's flights in/out of Charlotte always seem to be delayed or canceled. It took me all day on Sunday to get to my destination of Cincinnati from Greensboro. I had to be rerouted through Chicago because my original flight was canceled as the door to plane was closing in GSO. The saddest part is I could have driven and arrived sooner. . . I recognize there is a lot going on that impacts travel. This week it was weather. Yesterday in Cincinnati it was President Trump. But as a frequent flyer, the flight from South Bend to Charlotte always runs late. The subsequent flight to Greensboro is always midnight to 2am. . . I do want to give props the Charlotte boarding crew. They had four flights going out of the same area at the same time. They turned it quickly and mitigated the grumbling from the crowd.

Never had such a lazy first class attendant. Literally spent 60%+ of the flight playing games on her personal phone making up excuses of why she was unavailable.

The baggage claim experience was poor. The plane crew and the AA app said that checked baggage in CLT would be at carousel 7 but the sign at Baggage Claim said carousel 1. The carousel 1 sign had the correct flight # listed above the belt. But the luggage never came. I went to an AA baggage claim office after about 1 hour and the clerk directed me to another AA room that was poorly marked, with a closed door and no obvious way to know what to do. Finally someone opened the door and my bag was inside. The clerk was totally unable to explain why.

why would I bother with this airline and pick seats when I am asked to move for a weight imbalance

Good crew and flight was on time. It’s a small plane with limited overhead luggage space. They said the overhead space was full and I had to check my bag. There was still space when I got on. Waiting for my checked luggage added 30 minutes to my trip. Not the end of the world but also not great.

There's no seats that lean back with little leg space i wad uncomfortable the entire flight. Your charges for extra baggage is despicable and costly!!

Remind customers of the need to have passport or new ID for boarding.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

The flight never took off and we spent 7 hours at the airport

Gate not determined until I got to the airport - hard to plan the trip to the airport.

Our flight was canceled. I will never use Kayak nor Frontier for travel again. The entire experience was a headache.

Frontier.. nickel and dime add-ons. Flight late, on time, late again, last minute gate change, arrival gate required a shuttle to the terminal. They sure keep you guessing.. if you like a little chaos and airport anxiety, this is the airline for you!

This is my second time flying with Frontier. My current experience was very favorable. The staff from the gate to the plane was friendly, warm and professional. The food options lacked in my opinion. This area needs some attention in my opinion.

There was no food and no entertainment, so I'm not sure why these are even in the survey, as my understanding is frontier does not ever offer food without a few, not even a snack, and there are no screens so unless the flight safety talk is our entertainment why ask how we liked it?. One of the flight attendants say in the back of the plane as people filed in to their seats, yelling orders about where to put baggage and telling people to hurry up. It was the least professional experience I've ever had on a flight.

Very well recently! Frontier is improving and less harrassing customer on luggages! Positive!

Everything you need to know for your flight from St. Louis to Raleigh

Information on your arrival and departure airports