STL - RDU

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

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$119
Typical prices: $310-$492
Frontier
Sun 11/18Sun 12/2
STL - RDU • 1 stop
Cheapest non-stop
$297
Typical prices: $387-$539
Southwest
Tue 11/6Wed 11/14
STL - RDU • Non-stop
Nonstop flights
You can fly direct with Southwest. Average duration is 1h 50m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 23 weeks in advance save around 70% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $221 (round-trip)
Shortest trip • 3h 58m (one-way)
Insights
Insights
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Flight Deals
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Expert advice
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

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

Wed, Nov 18 - Wed, Dec 2
Frontier Logo
6:34 pm - 11:57 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
4h 23m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
7:09 am - 11:17 amRDU  Raleigh-Durham-STL Lambert-St Louis
5h 08m1 stop Atlanta Hartsfield-Jackson
$119Frontier
Wed, Nov 18 - Thu, Nov 26
Frontier Logo
6:34 pm - 12:24 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
16h 50m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:46 pm - 5:40 pmRDU  Raleigh-Durham-STL Lambert-St Louis
21h 54m1 stop Atlanta Hartsfield-Jackson
$126Frontier
Mon, Nov 16 - Thu, Nov 26
Frontier Logo
6:34 pm - 3:23 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
19h 49m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
8:46 pm - 5:40 pmRDU  Raleigh-Durham-STL Lambert-St Louis
21h 54m1 stop Atlanta Hartsfield-Jackson
$127Frontier
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
6:34 pm - 3:23 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
19h 49m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:17 pm - 5:40 pmRDU  Raleigh-Durham-STL Lambert-St Louis
45h 23m2 stops Orlando Atlanta Hartsfield-Jackson
$160Multiple Airlines
Wed, Nov 18 - Sun, Nov 22
Multiple Airlines Logo
6:34 pm - 12:24 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
16h 50m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:46 pm - 12:25 pmRDU  Raleigh-Durham-STL Lambert-St Louis
15h 39m1 stop Orlando
$214Multiple Airlines
Mon, Nov 16 - Sun, Nov 22
Multiple Airlines Logo
6:34 pm - 3:23 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
19h 49m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
9:46 pm - 12:25 pmRDU  Raleigh-Durham-STL Lambert-St Louis
15h 39m1 stop Orlando
$216Multiple Airlines
Tue, Nov 17 - Sat, Nov 21
Southwest Logo
10:55 am - 6:30 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
6h 35m2 stops Chicago Midway Baltimore/Washington
Southwest Logo
5:55 pm - 11:50 pmRDU  Raleigh-Durham-STL Lambert-St Louis
6h 55m1 stop Dallas Love Field
$280Southwest
Fri, Nov 6 - Sat, Nov 14
Southwest Logo
8:05 pm - 10:55 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
1h 50mnonstop
Southwest Logo
2:50 pm - 7:20 pmRDU  Raleigh-Durham-STL Lambert-St Louis
5h 30m1 stop Baltimore/Washington
$286Southwest
Fri, Jan 29 - Tue, Feb 2
American Airlines Logo
5:05 am - 11:22 amSTL  Lambert-St Louis-RDU Raleigh-Durham
5h 17m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 10:12 amRDU  Raleigh-Durham-STL Lambert-St Louis
5h 12m1 stop Washington, D.C. Reagan-National
$307American Airlines
Thu, Nov 5 - Fri, Nov 6
American Airlines Logo
5:04 am - 12:00 pmSTL  Lambert-St Louis-RDU Raleigh-Durham
5h 56m1 stop Charlotte Douglas
American Airlines Logo
6:02 am - 10:53 amRDU  Raleigh-Durham-STL Lambert-St Louis
5h 51m1 stop Chicago O'Hare Intl
$317American Airlines
Booking Insights

Price, demand and travel trends for St. Louis to Raleigh flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from St. Louis to Raleigh typically range from $310 to $492. The lowest price found in the past 5 days was $119, on Frontier.

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

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from St. Louis to Raleigh. It’s 7% cheaper than the average day, while Friday is the most expensive, with prices 10% higher.

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

•January is the cheapest month to fly from St. Louis to Raleigh at $337 round-trip.
•May ($636) and November ($449) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 88% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from St. Louis to Raleigh the cheapest?

Flights from St. Louis to Raleigh are cheapest 23 weeks before departure. Booking in this window typically costs about 70% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from St. Louis to Raleigh

 
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.

Key details for St. Louis to Raleigh flights

Low season

October

Cheapest flight

$61
Beat the crowds with an average 17% drop in travelers.
The most popular month to fly with an average 17% increase in travelers.
One-way 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

Your St. Louis to Raleigh flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from St. Louis to Raleigh?

    These are the earliest and latest flight times available from St. Louis to Raleigh:

    • Earliest: departs at 8:10 am and lands at 10:00 am
    • Latest: departs at 8:50 pm and lands at 10:40 pm.

    The flight takes about 1h 50m.

  • What cabin classes can I book on flights from St. Louis to Raleigh?

    Two cabin classes are available on flights from St. Louis to Raleigh:

    • Economy Class
    • First Class

  • How long is a flight from St. Louis to Raleigh?

    A nonstop flight from St. Louis to Raleigh takes 1h 50m, covering 666 miles.

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

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a St. Louis to Raleigh flight?

    Round-trip flights from St. Louis to Raleigh range from $310 to $492, with an average of $403 over the past 12 months. Anything below $310 counts as a good deal.

  • How expensive are last-minute St. Louis to Raleigh flights?

    Last-minute fares on this route (booked within two weeks of departure) run 30% above the $403 route average. Book 23 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from St. Louis to Raleigh?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $221 round-trip via Chicago O'Hare Intl (ORD), compared to $462 for nonstop.

  • What is the standard checked-bag allowance on flights from St. Louis to Raleigh?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from St. Louis to Raleigh?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737-800 Passenger/BBJ2 (winglets) variants.

  • How are flight departures from St. Louis to Raleigh spread across the day?

    Morning is the busiest departure period on St. Louis to Raleigh flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • How are flight prices from St. Louis to Raleigh looking right now?

    One-way fares from St. Louis to Raleigh are currently lower than usual. Average one-way flight prices are about $117, which is 45% below the typical average for this route.

  • What car rental options are available at Raleigh-Durham Airport (RDU)?

    Raleigh-Durham Airport (RDU) hosts 5 major car rental companies, with daily rates starting from around $25 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Hertz
    • Alamo
    • Budget

  • Which airports can I use when flying from St. Louis to Raleigh?

    Flights from St. Louis to Raleigh usually depart from Lambert-St Louis (STL) and arrive at Raleigh-Durham (RDU).

  • Which airports do connecting flights from St. Louis to Raleigh pass through?

    One-stop flights from St. Louis to Raleigh most commonly connect through:

    • Charlotte Douglas (CLT) - 48% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 20% of one-stop connections
    • Orlando (MCO) - 17% of one-stop connections
    • Nashville Intl (BNA) - 4% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Raleigh?

    Yes. Flexible dates can save you up to 16% on flights from St. Louis to Raleigh. Saturday is the cheapest departure day at $377 round-trip on average, while Friday is the most expensive at $447, a difference of $70.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from St. Louis to Raleigh?

    Only Southwest operates flights between St. Louis and Raleigh.

  • How much time can I save by choosing a different layover airport from St. Louis to Raleigh?

    Flying via Nashville Intl (BNA) gives the shortest average 1-stop total travel time at 3h 58m, compared with 4h 04m via Charlotte Douglas (CLT) and 4h 08m via Chicago Midway (MDW).

  • What is the time difference between St. Louis and Raleigh?

    Raleigh is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Raleigh?

    Some of the most popular sights in Raleigh are Lenovo Center, Raleigh Convention Center and NC State Fairgrounds. These are among the most viewed places in Raleigh on KAYAK.

  • Which airlines offer extra legroom and free seat selection on St. Louis to Raleigh flights?

    Among airlines operating St. Louis to Raleigh flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on St. Louis to Raleigh flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag and a checked bag in Economy Class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking St. Louis to Raleigh flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Friday. On this route, Saturday flights average $377, about $70 less than Friday fares (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 70% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your St. Louis to Raleigh trip for January. Fares historically average $337 round-trip in that month - typically $299 less than the most expensive month, which is May (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Chicago O'Hare Intl Airport (ORD) can be cheaper than flying direct. The cheapest layover option averages $221 round-trip on this route - about $241 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Raleigh-Durham Airport.

    • Hyatt House Raleigh / RDU / Brier Creek
    • Fairfield Inn & Suites by Marriott Raleigh-Durham Airport/Brier Creek
    • Aloft Raleigh-Durham Airport Brier Creek

Prefer to fly direct from St. Louis to Raleigh?

 
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

More options for your flight from St. Louis to Raleigh

Complete your trip to Raleigh with a hotel stay or car rental