Raleigh/Durham to St Louis (RDU–STL) — Airlines, Schedules & Connections

RDU Airport Page →
666 mi airlines 29/wk
On-time Some delays Frequent delays
Flight Schedule 9 flights Verified 1h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight
  Flight Airline AC Dep Arr Dur OTP Sched  
WN3046
WN Southwest
7M8
6:10 AM
EDT T1
7:20 AM
EDT
2h 10m
M T W T F S S
Prices
WN4312
WN Southwest
73H
6:25 AM
EDT T1
7:45 AM
EDT
2h 20m
M T W T F S S
Prices
WN3339
WN Southwest
7S7
1:45 PM
EDT T1
2:50 PM
EDT
2h 5m
M T W T F S S
Prices
WN4002
WN Southwest
7M8
6:45 PM
EDT T1
8:00 PM
EDT
2h 15m
M T W T F S S
Prices
WN452
WN Southwest
B38M
7:30 PM
EDT T1
8:45 PM
EDT
2h 15m
M T W T F S S
Prices
WN3343
WN Southwest
73H
10:15 AM
EDT T2
1:05 PM
EDT
1h 50m
M T W T F S S
Prices
WN4126
WN Southwest
7M8
10:15 AM
EDT T2
1:05 PM
EDT
1h 50m
M T W T F S S
Prices
WN1179
WN Southwest
B38M
6:45 PM
EDT T2
9:30 PM
EDT
1h 45m
M T W T F S S
Prices
WN749
WN Southwest
73H
6:50 PM
EDT T2
9:40 PM
EDT
1h 50m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP
2-STOP Loading...
Raleigh/Durham to St Louis
1 carrier, 29 flights/week nonstop.
1 Airlines 29 Flights/wk 666 mi 2h 5m nonstop 70 1-stop hubs

RDU–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 666 miles in approximately 2h 5m. Beyond nonstop, 70 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop RDU–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 29 73H, 7M8, 7S7, B38M 2h05-2h20 33%
Aircraft on this route
73H Boeing 737-800 – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38MWN
Alliance coverage
Unaffiliated: WN (29 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, RDU to STL direction.
Mon
4
flights
Tue
4
flights
Wed
4
flights
Thu
4
flights
Fri
4
flights
Sat
4
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
5
Nonstop flights
29
Outbound / wk
28
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for RDU to STL.
1-STOP
One-Stop Connections
70
Hubs
~3h
Fastest
~29h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,649
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
RDU → STL
33%
Frequent delays expected. Consider flexible booking.
Departing
33%
Arriving
50%
Return
STL → RDU
50%
Frequent delays expected. Consider flexible booking.
Departing
50%
Arriving
100%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. RDU delays → STL delays →

Other ways to reach St Louis from Raleigh/Durham

Nearby airports with service to St. Louis Lambert International Airport.
Metric RDU→STL ILM→STL
Distance from RDU 122 mi
Nonstop airlines 1 1
Weekly flights 29 1
Flight time 2h 5m 1h 1m
Departure OTP 33%
Airports within 200 miles of RDU with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
0h
St Louis is 0 hours the same as Raleigh/Durham.
RDU: EDT · STL: EDT

When it's 6:00 PM in Raleigh/Durham, it's 6:00 PM in St Louis.
Distance & Flight Time
666 mi / 1,072 km
Nonstop flight time is approximately 2h 5m to 2h 20m.
Getting to RDU

No rail connection exists. GoTriangle Route 100 (RDU Express) runs from the Durham Station Transportation Center and downtown Raleigh to the airport for $2.25; takes 35–50 minutes but service is limited in the evenings and does not run all night.Ride-shares (Uber/Lyft) from downtown Raleigh: $20–30, 20–25 minutes. From Durham: $18–25, 15–20 minutes. Taxis: $30–40. Long-term parking from $7/day in Economy lots with shuttle service. I-40 provides direct access to both Raleigh and Durham.

RDU–STL Quick Facts

Key statistics for the Raleigh/Durham to St Louis route.
Route details
Distance666 mi / 1,072 km
Flight time2h 5m to 2h 20m
Time difference0 hours
Airlines (nonstop)1
Weekly flights29 out / 28 return
1-stop connections70 hubs
Origin: RDU
IATA / ICAORDU / KRDU
TimezoneAmerica/Kentucky/Monticello
Passengers/yr15.2M
Elevation435 ft / 133 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Indiana/Vincennes
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about RDU to STL flights.
Nonstop flights from Raleigh-Durham International Airport to St. Louis Lambert International Airport take approximately 2h 5m to 2h 20m. The route covers 666 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 29 nonstop flights per week from RDU to STL. The return direction has about 28 weekly flights.
Yes, 1-stop connections are available through ORF, ILM, CVG, TEB, DAY, APF, LIT, CHS, AVL, BCT, HPN, PDK, BDL, ABE, EYW, MMU, OKC, YUL, PNS, BZN, SJC, SAN, PUJ, DAL, EWR, BNA, SLC, IAD, PBI, MEM, ATL, PIT, PHL, DCA, ORD, DTW, CLT, IAH, MDW, BWI, MIA, MCO, MSY, MCI, AUS, FLL, DEN, DFW, BOS, MSP, HOU, LAS, TPA, CMH, LGA, FRA, SFO, RSW, PHX, IND, JAX, SJU, SRQ, YYZ, SAT, LAX, LUK, CLE, SEA and CUN. These options provide additional schedule flexibility.
Yes, return flights from STL to RDU are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ILM. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from RDU to STL

Raleigh-Durham International Airport (RDU) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 29 weekly departures, this is a heavily served route.

RDU to STL Flight Duration and Schedule

Nonstop flight time from RDU to STL ranges from 2 hours 5 minutes to 2 hours 20 minutes. The route covers a distance of 666 miles (1,072 km). There are approximately 29 weekly flights outbound and 28 return, totaling 57 flights per week in both directions.

Connecting Options and Alternatives

70 one-stop connections are available, with the fastest taking approximately 3 hours via ORF. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Wilmington (ILM).