STL - RDU

$61 Find Cheap Flights from St. Louis to Raleigh - Compare and Save

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 8/15. 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

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Everything you should know

Cheapest round-trip
$119
Typical prices: $261-$618
Frontier
Tue 8/4Tue 8/11
STL - RDU • 1 stop
Cheapest non-stop
$270
Typical prices: $231-$581
Southwest
Tue 8/4Tue 8/11
STL - RDU • Non-stop
Nonstop flights
Every day
You can fly direct with Southwest. Average duration is 1h 50m
Direct flights
Direct flights
+1
+1
Direct flights
Direct flights
+1
Top layover airports
Orlando (MCO)
Cheapest • Avg $211 (round-trip)
Chicago (MDW)
Shortest trip • 3h 50m (one-way)
Insights
Insights
Insights
Insights
When to book
3 weeks
in advance
Our data shows that travelers who book at least 3 weeks in advance save around 30% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
October
Cheapest • 19% price drop
August
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
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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

Tue, Aug 4 - Tue, Aug 11
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$119Frontier
Thu, Aug 13 - Sun, Aug 16
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$121Frontier
Thu, Aug 13 - Sun, Aug 16
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$122Frontier
Thu, Aug 6 - Thu, Aug 13
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$123Frontier
Tue, Jul 28 - Tue, Aug 4
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
5:01 pm - 8:57 am
RDU
-
STL
16h 56m
1 stop
$124Frontier
Tue, Jul 28 - Thu, Aug 6
Frontier Logo
6:34 pm - 8:11 am
STL
-
RDU
12h 37m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$125Frontier
Thu, Oct 1 - Sun, Oct 4
Frontier Logo
10:35 am - 7:30 am
STL
-
RDU
19h 55m
1 stop
Frontier Logo
4:20 pm - 9:40 am
RDU
-
STL
18h 20m
1 stop
$126Frontier
Wed, Jul 29 - Sun, Aug 2
Frontier Logo
4:57 pm - 8:01 am
STL
-
RDU
14h 04m
1 stop
Frontier Logo
6:14 pm - 8:57 am
RDU
-
STL
15h 43m
1 stop
$129Frontier
Mon, Aug 3 - Thu, Aug 6
Frontier Logo
4:57 pm - 12:04 am
STL
-
RDU
6h 07m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$130Frontier
Sat, Aug 1 - Tue, Aug 4
Frontier Logo
4:57 pm - 12:03 am
STL
-
RDU
6h 06m
1 stop
Frontier Logo
6:15 am - 5:37 pm
RDU
-
STL
12h 22m
1 stop
$131Frontier
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.

How much is a round-trip flight from St. Louis to Raleigh?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Raleigh departing in August.

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 Saturdays and avoid leaving on a Friday, as it's usually the priciest day. When flying back from Raleigh, Wednesday is the cheapest day to fly and Monday 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 $335 (return) on average. On the other hand, the most expensive months are May and August, where the average cost of round-trip tickets is $589 and $581 respectively.

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 30% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Find deals
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.

Read more
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.

Read more

Good to know

Low seasonNovember
Cheapest flight$61
Best time to beat the crowds but there is an average 1% increase in price.
Most popular time to fly with an average 40% 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 5 days, the lowest price for a flight from St. Louis to Raleigh was $61 for a one-way ticket and $119 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?

    American Airlines, and JetBlue offer 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 737-800 Passenger/BBJ2 (winglets) 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 $444 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 $360 and an overall rating of 7.8.

  • 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 $152 or less one-way and $321 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

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

Information on your arrival and departure airports

St. Louis (STL)
Raleigh (RDU)