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

RDU Airport Page →
666 mi airlines charter/private 16/wk
On-time Some delays Frequent delays
Flight Schedule 11 flights Verified 31m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3435
WN Southwest
B38M
6:30 AM
EDT T1
7:35 AM
CDT
2h 5m
M T W T F S S
Prices
WN450
WN Southwest
73H
12:05 PM
EDT T1
1:15 PM
CDT
2h 10m
M T W T F S S
Prices
F92225
F9 Frontier
12:18 PM
EDT
1:18 PM
CDT
2h
M T W T F S S
Prices
WN3457
WN Southwest
7S7
7:50 PM
EDT T1
8:55 PM
CDT
2h 5m
M T W T F S S
Prices
WN297
WN Southwest
737
9:55 AM
CDT T2
12:45 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN2968
WN Southwest
7S7
10:15 AM
CDT T2
1:05 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN1507
WN Southwest
737
10:15 AM
CDT T2
1:05 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN358
WN Southwest
738
10:20 AM
CDT T2
1:10 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN261
WN Southwest
738
1:35 PM
CDT T2
4:25 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN2259
WN Southwest
73H
4:45 PM
CDT T2
7:35 PM
EDT
1h 50m
59%
M T W T F S S
Prices
WN3810
WN Southwest
73H
7:11 PM
CDT T2
9:50 PM
EDT
1h 39m
59%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BNA Nashville 3h 50m AADLWN WN Nashville (BNA) to St Louis flights
MDW Chicago 3h 52m LXJWN JREWN Chicago (MDW) to St Louis flights
ATL Atlanta 3h 57m AFAMDL AFAMDL Atlanta (ATL) to St Louis flights
CLT Charlotte 4h 1m AAIB AABAWN Charlotte (CLT) to St Louis flights
BWI Baltimore 4h 11m WN DLWN Baltimore (BWI) to St Louis flights
DTW Detroit 4h 17m AFAMDL AFAMDL Detroit (DTW) to St Louis flights
DCA Washington 4h 30m AAASDL AAWN Washington (DCA) to St Louis flights
ORD Chicago 4h 43m AAASCX AAACAS Chicago (ORD) to St Louis flights
IAD Dulles 4h 47m ACAVAZ AVCMEJM Dulles (IAD) to St Louis flights
PHL Philadelphia 4h 47m AAASBA AAVJAWN Philadelphia (PHL) to St Louis flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Raleigh/Durham to St Louis
2 carriers, 16 flights/week nonstop.
2 Airlines 666 mi 2h 5m nonstop -1h behind

RDU–STL is served by 2 airlines with nonstop service. Southwest Airlines and Frontier lead the route. The flight covers 666 miles in approximately 2h 5m. Beyond nonstop, 1-stop connecting options are also available.

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 15 73H, 7S7, B38M 2h05-2h10 0%
F9 Frontier 1 2h 0%
Aircraft on this route
73H Boeing 737-800 (Winglets) – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: F9 + WN (16 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
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
3
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
4
Nonstop flights
16
Outbound / wk
19
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for RDU to STL.
1-STOP
One-Stop Connections
64
Hubs
~3h
Fastest
~23h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,849
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
0%
Frequent delays expected. Consider flexible booking.
Departing
0%
Arriving
51%
Return
STL → RDU
67%
Moderate delays possible. Allow buffer time.
Departing
67%
Arriving
50%
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 GSO→STL USA→STL
Distance from RDU 66 mi 113 mi
Nonstop airlines 2 1 2
Weekly flights 16 1
Flight time 2h 5m 1h 50m 1h 37m
Departure OTP 0%
Airports within 200 miles of RDU with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Raleigh/Durham.
RDU: EDT · STL: CDT

When it's 6:00 PM in Raleigh/Durham, it's 5:00 PM in St Louis.
Distance & Flight Time
666 mi / 1,072 km
Nonstop flight time is approximately 2h 5m gate to gate.
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
Time difference-1 hour
Airlines (nonstop)2
Weekly flights16 out / 19 return
1-stop connectionsAvailable
Origin: RDU
IATA / ICAORDU / KRDU
TimezoneAmerica/New_York
Passengers/yr15.2M
Elevation435 ft / 133 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
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 about 2h 5m gate to gate. The route covers 666 miles.
2 airlines operate flights from RDU to STL: Southwest Airlines and Frontier.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Nashville, Chicago Midway and Hartsfield Jackson Atlanta.
St Louis is 1 hour behind Raleigh/Durham.
Yes, return flights from STL to RDU are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include GSO, USA and 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 and Frontier. With 16 weekly departures, this is a well served route.

RDU to STL Flight Duration and Schedule

Nonstop flight time from RDU to STL is about 2 hours 5 minutes gate to gate. The route covers a distance of 666 miles (1,072 km). There are approximately 16 weekly flights outbound and 19 return, totaling 35 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Nashville, Chicago Midway and Hartsfield Jackson Atlanta. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Greensboro (GSO), Concord (USA) and Wilmington (ILM).