Flight tickets from St Louis to Raleigh / Durham

Compare St Louis to Raleigh / Durham flight deals

Find the cheapest month or even day of the year to fly to Raleigh / Durham

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Flight deals from St Louis to Raleigh / Durham

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Raleigh / Durham Airport? If you want to travel next month, return fares start from ₹ 14,857. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Raleigh / Durham

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Raleigh / Durham flights are currently cheapest in April.

Direct flights from St Louis to Raleigh / Durham

St Louis to Raleigh / Durham: Alternative routes

Compare routes from St Louis to Durham below. You may find an airport to fly into that's cheaper, faster, or easier than Raleigh / Durham.

St Louis to Durham: Flight information

The things to know before you go.
Cheapest flight found₹ 7,028
Cheapest month to flyApril
Average flight time1 hr, 50 mins
Most popular airlineSouthwest Airlines
Average flights per week11

Finding cheap flights from St Louis to Raleigh / Durham: Frequently asked questions

The best price we found for a return flight from St Louis to Raleigh / Durham is ₹ 13,023. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 50 minutes is the average flight time from St Louis to Raleigh / Durham.
Southwest Airlines flies direct from St Louis to Raleigh / Durham.
As of April 2026, there are 11 flights per week flying from St Louis to Raleigh / Durham.
The cheapest month to fly from St Louis to Raleigh / Durham is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Raleigh / Durham Airport on Friday, 24 April 2026.
Yes – the average flight time is 1 hour and 50 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Raleigh / Durham but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Durham is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Raleigh / Durham.

Travelling from Lambert-St. Louis International Airport (STL) to Raleigh-Durham International Airport (RDU): what you need to know

  • The average length of a direct flight from Lambert-St. Louis International Airport to Raleigh-Durham International Airport is 1 hour 50 minutes.

  • Durham's timezone is UTC-4, making Durham one hour ahead of St Louis.

  • You can choose from nine weekly Lambert-St. Louis International Airport to Raleigh-Durham International Airport flights. The 07:30 departure with Southwest Airlines is the earliest flight you can take. Southwest Airlines operates the latest service of the day at 21:40.

  • To ensure you catch your STL to RDU flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours before international departures and one hour before domestic flights is the general travel rule.

  • During popular months like July, it's a good idea to get to the airport earlier. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a high season in general.

  • Travelling to Durham (and then seeing more of United States!) is a breeze with Southwest Airlines. This popular carrier has direct flights from Lambert-St. Louis International Airport to Raleigh-Durham International Airport.

  • Southwest Airlines is the airline with the highest passenger demand for this route.

  • Southwest Airlines is a leader in on-time performance for STL to RDU flights, with 80.56% of services landing on schedule.

  • If you want to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from Lambert-St. Louis International Airport to Raleigh-Durham International Airport. Here are the most popular stopovers between STL and RDU:

    • Charlotte Douglas International Airport

    • Chicago Midway International Airport

    • Nashville International Airport

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Raleigh-Durham International Airport (RDU)

  • At the moment, ₹ 7,028 is the cheapest price we've seen for a one-way Lambert-St. Louis International Airport to Raleigh-Durham International Airport flight. The best price for a return plane ticket is ₹ 13,023. Bear in mind that fares may change due to availability at the time of booking.

  • Book ten months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to find cheap tickets from STL to RDU.

  • The cheapest month for flights from Lambert-St. Louis International Airport to Raleigh-Durham International Airport is September. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment there's a better deal on cheap flights from STL to RDU.

  • Tailor your trip with filters. Pick your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Cheapest' or 'Best' flights from Lambert-St. Louis International Airport to Raleigh-Durham International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Raleigh-Durham International Airport (RDU)

Getting from Raleigh-Durham International Airport (RDU) to central Durham

  • From Raleigh-Durham International Airport, Durham is approximately 23 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It typically takes 1 hour 10 minutes if you're using public transport.

When to fly to Raleigh-Durham International Airport (RDU)

  • It's time to choose your dates for your flight from Lambert-St. Louis International Airport to Raleigh-Durham International Airport. July is the busiest month to head to Durham. If you want a quieter vibe, go in May.

  • When reserving your flight from Lambert-St. Louis International Airport to Raleigh-Durham International Airport, think about the kind of weather you like. July is the warmest month in Durham, with the temperature ranging from 19ºC to 33ºC.

  • If you want cooler conditions, look for a cheap ticket from STL to RDU in January. Average temperatures are between -3ºC and 13ºC then.

Explore more of United States

  • Charlotte is just one of the many places in United States waiting to be discovered once you've seen Durham. Around 193 kilometres away to the south-west, popular attractions include NASCAR Hall of Fame, Freedom Park and Carolinas Aviation Museum.

  • Baltimore is another favourite destination in United States and is around 418 kilometres north-east of Durham. No journey is complete without dropping by Huber Memorial Church, WBAL Radio and Marine Mammal Pavilion.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.