A calm lake at dusk with a boat on the shore and a person in the distance.

$59 Cheap Flights from St. Louis (STL) to Raleigh (RDU)

View $59 flight on Wed, Oct 7, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Raleigh-Durham International Airport (RDU)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $59 for one-way flights and $132 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Mon, Oct 5 - Wed, Oct 7
STL
St. Louis
RDU
Raleigh
$132 Roundtrip, found 7 hours ago
$132
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Mon, Oct 5 from St. Louis to Raleigh, returning Wed, Oct 7, priced at $132 found 7 hours ago
Frontier Airlines
Wed, Oct 21 - Fri, Oct 23
STL
St. Louis
RDU
Raleigh
$142 Roundtrip, found 20 hours ago
$142
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Wed, Oct 21 from St. Louis to Raleigh, returning Fri, Oct 23, priced at $142 found 20 hours ago
Frontier Airlines
Mon, Oct 19 - Fri, Oct 23
STL
St. Louis
RDU
Raleigh
$147 Roundtrip, found 1 day ago
$147
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Oct 19 from St. Louis to Raleigh, returning Fri, Oct 23, priced at $147 found 1 day ago
Frontier Airlines
Fri, Oct 30 - Fri, Nov 6
STL
St. Louis
RDU
Raleigh
$152 Roundtrip, found 10 hours ago
$152
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Fri, Oct 30 from St. Louis to Raleigh, returning Fri, Nov 6, priced at $152 found 10 hours ago
Frontier Airlines
Fri, Oct 9 - Mon, Oct 12
STL
St. Louis
RDU
Raleigh
$154 Roundtrip, just found
$154
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 9 from St. Louis to Raleigh, returning Mon, Oct 12, priced at $154 just found
Frontier Airlines
Fri, Oct 2 - Wed, Oct 7
STL
St. Louis
RDU
Raleigh
$161 Roundtrip, found 4 days ago
$161
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Fri, Oct 2 from St. Louis to Raleigh, returning Wed, Oct 7, priced at $161 found 4 days ago
United
Tue, Nov 3 - Wed, Nov 4
STL
St. Louis
RDU
Raleigh
$250 Roundtrip, found 2 days ago
$250
Roundtrip
found 2 days ago
Select United flight, departing Tue, Nov 3 from St. Louis to Raleigh, returning Wed, Nov 4, priced at $250 found 2 days ago
American Airlines
Thu, Oct 15 - Mon, Oct 19
STL
St. Louis
RDU
Raleigh
$255 Roundtrip, just found
$255
Roundtrip
just found
Select American Airlines flight, departing Thu, Oct 15 from St. Louis to Raleigh, returning Mon, Oct 19, priced at $255 just found
Delta
Thu, Oct 15 - Mon, Oct 19
STL
St. Louis
RDU
Raleigh
$255 Roundtrip, just found
$255
Roundtrip
just found
Select Delta flight, departing Thu, Oct 15 from St. Louis to Raleigh, returning Mon, Oct 19, priced at $255 just found
Southwest Airlines
Thu, Oct 15 - Mon, Oct 19
STL
St. Louis
RDU
Raleigh
$255 Roundtrip, just found
$255
Roundtrip
just found
Select Southwest Airlines flight, departing Thu, Oct 15 from St. Louis to Raleigh, returning Mon, Oct 19, priced at $255 just found

Alternative airports near Raleigh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $591
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $591

What you need to know for your flight from Lambert-St. Louis Intl. to Raleigh - Durham Intl.

St. Louis (STL) to Raleigh (RDU) at a glance

Explore a range of airlines offering flights from St. Louis (STL) to Raleigh (RDU) on this convenient domestic short-haul route. Whether you’re looking for budget-friendly options or full-service carriers, you can compare itineraries to find the best fit for your travel plans. Delve into Raleigh's renowned sights and neighborhoods while securing the most suitable flights to Raleigh (RDU) from Lambert-St. Louis International Airport (STL).

  • Fastest flight duration: around 1h 45m non-stop
  • Route distance: roughly 700 miles (1,130 km)
  • Flights per week: around 15+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $105–$365, depending on seasonality and how far ahead you book

Flights from Lambert-St. Louis International Airport (STL) to Raleigh - Durham International Airport (RDU)

Explore the top airlines favored by travelers flying from St. Louis to Raleigh, with a focus on both one-stop and non-stop flights. Popular layover options include Charlotte-Douglas International Airport (CLT) with about a 1-hour layover, Hartsfield-Jackson Atlanta International Airport (ATL) offering roughly a 1 hour and 30 minutes layover, and O'Hare International Airport (ORD) with an estimated 1 hour and 15 minutes layover. These choices provide the flexibility to balance price, overall travel time, and cabin class for the best possible itinerary.

  • American Airlines: This full-service airline provides one-stop options, with one-way fares generally between $110 and $330. It accounts for about 41% of departures on this route, featuring an in-flight duration of 3 hours and a total travel time of approximately 4 hours and 15 minutes, including a layover.
  • Southwest Airlines: Known for its low-cost fares, Southwest offers both non-stop and one-stop services, with one-way tickets typically priced from $110 to $405. This carrier represents around 39% of departures, with a standard non-stop journey lasting 1 hour and 45 minutes.
  • Delta: As a full-service airline, Delta provides one-stop flights, with one-way prices ranging from $105 to $360. It accounts for roughly 11% of departures on this route, offering an in-flight experience of 3 hours and a total journey time of about 4 hours and 15 minutes, including layover time.
  • Frontier Airlines: A budget-friendly carrier, Frontier offers one-stop service with one-way fares typically between $105 and $180. This airline represents around 6% of the route's departures, featuring an in-flight time of 3 hours and a total travel duration of approximately 4 hours and 15 minutes, including a layover.
  • United: This full-service airline offers one-stop options with one-way fares generally ranging from $140 to $300. United accounts for about 3% of departures on this route, featuring an in-flight duration of 3 hours and a total travel time of approximately 4 hours and 15 minutes, including layover time.

Travelers flying from St. Louis to Raleigh can opt for an upgrade, as American Airlines provides first-class service on this route for a more luxurious journey.

Best time to fly from St. Louis (STL) to Raleigh (RDU)

The most popular months for travelers flying from St. Louis to Raleigh are February, March, and April, when peak temperatures in Raleigh reach up to 61°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 73°F. For better deals, February usually offers the lowest average one-way fare around $196. Flight availability peaks in April, May, October, and December, with approximately 20 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 14 flights per week.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $196, roughly 8% cheaper than the yearly average.
  • More budget-friendly months to fly: January, March, and August typically offer average one-way fares of around $202.
  • Most flight options: April, May, October, and December have the highest number of flights from St. Louis to Raleigh, with approximately 20 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January41.5°F (5.3°C)Average14$200
February45.1°F (7.3°C)Moderately High17$196
March51.4°F (10.8°C)Moderately High17$202
April61.0°F (16.1°C)Moderately High20$210
May69.1°F (20.6°C)Average20$215
June76.6°F (24.8°C)Average16$219
July79.9°F (26.6°C)Moderately Low15$249
August78.3°F (25.7°C)Average18$204
September73.0°F (22.8°C)Moderately Low17$213
October62.8°F (17.1°C)Average20$227
November51.8°F (11.0°C)Moderately Low18$223
December46.0°F (7.8°C)Average20$220

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from St. Louis (STL) to Raleigh (RDU)

  • St. Louis to Greensboro (STL-GSO): Piedmont Triad International Airport (GSO) is located approximately 66 miles from Raleigh-Durham International Airport (RDU). One-way economy fares for this journey generally fall between $105 and $360, influenced by the season and timing of the booking. Flights on this route typically involve one stop, with common layover points at Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). Major airlines that operate on this route include American Airlines and Delta, and first-class service is also offered.
  • St. Louis to Fayetteville (STL-FAY): Fayetteville Regional Airport (FAY) is situated around 61 miles from Raleigh-Durham International Airport (RDU). One-way economy fares on this route usually range from $155 to $400, varying by season and how early you book. This route typically features one-stop flights, with frequent layovers at Charlotte-Douglas International Airport (CLT) and Hartsfield-Jackson Atlanta International Airport (ATL). Key airlines providing service here include American Airlines and Delta, with first-class seating available as well.

How to find the best prices for flights from St. Louis (STL) to Raleigh (RDU)

Getting some of the best deals on flights from St. Louis to Raleigh is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which coincides with the booking habits of most travelers. Departures in the afternoon (12pm-6pm) often offer lower prices, while morning flights (5am-12pm) are more popular. Additionally, flying on Monday tends to be cheaper, although Friday remains the most sought-after travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Raleigh - Durham International Airport from Lambert-St. Louis International Airport

Raleigh welcomes travelers from St. Louis with a range of transport options based on price, convenience, and proximity. Raleigh city center is approximately a 20-minute drive (covering about 15 miles) from Raleigh - Durham International Airport, depending on traffic. Here's how to reach Raleigh efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Raleigh, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Raleigh - Durham International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Raleigh - Durham International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Raleigh-Durham International Airport, Cary Station, a train station, is about 6 miles from the airport, providing convenient access to local travel options.

Frequently asked questions

How much does a flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) cost?
You can find cheap one-way flights from $59 and cheap return flights from $132 St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) with Expedia. One-way flights usually range from $167 to $647, and return flights typically cost between $335 and $950. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
August is the cheapest month to fly from St. Louis, MO (STL) to Raleigh, NC (RDU), with average round-trip fares around $350. This is about 10% lower than the average price throughout the year, as summer travel often sees reduced demand. Other budget-friendly months to consider are January and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Enter STL to RDU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Southwest Airlines is one of the cheapest airlines offering nonstop flights from Lambert-St. Louis Intl. (STL) to Raleigh - Durham Intl. (RDU), with round-trip tickets starting from around $217. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
To find a cheap flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The best airline to fly with from St. Louis, MO (STL) to Raleigh, NC (RDU) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. American Airlines offers the most daily flights from St. Louis to Raleigh, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The best times to fly from St. Louis (STL) to Raleigh (RDU) are in January and August, with average return flight prices around $350. These months offer a balance of affordability and pleasant weather, making your trip enjoyable.*Prices based on flights available on Expedia in the last year.
How many flights per day from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
You can find approximately 2 nonstop flights per day from Lambert-St. Louis Intl. (STL) to Raleigh - Durham Intl. (RDU). For more options, look at flights that include layovers.
What is the earliest flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The earliest flight from Lambert-St. Louis International Airport (STL) to Raleigh-Durham International Airport (RDU) typically departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in January, November, and December, allowing you to maximize your time in Raleigh. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
The most popular departure times for flights from St. Louis, MO (STL) to Raleigh, NC (RDU) are in the early morning, from 6am to 9am. About 36% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Airlines, and United Airlines, offer flights during this window. This timing is favored because it allows travelers to maximize their day upon arrival.
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Direct flights from STL to RDU usually take about 1 hour 50 minutes, traveling roughly 666 miles. If you opt for a connecting flight, expect to add around 3 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
Select the "Business class" and "First class" filters when looking for STL to RDU flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight with Expedia?
It's easy to earn miles on a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Raleigh from Lambert-St. Louis Intl. (STL)?
From Lambert-St. Louis Intl. (STL), you can fly into Raleigh - Durham Intl. (RDU) to reach Raleigh. Some flights may connect through major hubs like O'Hare Intl. (ORD), Charlotte-Douglas Intl. (CLT), Washington Dulles Intl. (IAD) before reaching Raleigh. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) at the last minute?
Typically, booking a last minute flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight and hotel package?
Securing a St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) Raleigh Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.)?
If you booked your St. Louis, MO (STL-Lambert-St. Louis Intl.) to Raleigh, NC (RDU-Raleigh - Durham Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Raleigh - Durham Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$132
Distance
665 mi
Average flight time
2 hours 51 mins

Book with confidence

St. Louis to Raleigh Flights

The cheapest times to fly from St. Louis to Raleigh

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Raleigh are during the month of October. You can find some of the cheapest flights from St. Louis to Raleigh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Raleigh

Sunday is one of the best days to book for cheap flights from St. Louis to Raleigh: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Raleigh

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Raleigh in 2026. You can also book with separate airlines for your outbound and return journeys, from $59 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Raleigh flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Raleigh airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Raleigh Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia