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

RDU Airport Page →
666 mi airlines 15/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 47m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3046
WN Southwest
B38M
6:25 AM
EDT T1
7:35 AM
CDT
2h 10m
M T W T F S S
Prices
WN3339
WN Southwest
737
1:45 PM
EDT T1
2:50 PM
CDT
2h 5m
M T W T F S S
Prices
WN4002
WN Southwest
7M8
7:45 PM
EDT T1
8:55 PM
CDT
2h 10m
M T W T F S S
Prices
WN3343
WN Southwest
738
12:25 PM
CDT T2
3:15 PM
EDT
1h 50m
M T W T F S S
Prices
WN3506
WN Southwest
73H
4:15 PM
CDT T2
7:05 PM
EDT
1h 50m
M T W T F S S
Prices
WN749
WN Southwest
B38M
7:45 PM
CDT T2
10:35 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 More options, longer trips
2-STOP Loading... Reach the hardest destinations
Raleigh/Durham to St Louis
1 carrier, 15 flights/week nonstop.
1 Airlines 15 Flights/wk 666 mi 2h 5m nonstop -1h behind 105 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, 105 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 15 737, 7M8, B38M 2h05-2h10 50%
Aircraft on this route
737 Boeing 737-700 – WN
7M8 Boeing 737 MAX 8 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (15 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
2
flights
Sun
3
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
3
Nonstop flights
15
Outbound / wk
15
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for RDU to STL.
1-STOP
One-Stop Connections
105
Hubs
~2h
Fastest
~28h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,698
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.

Other ways to reach St Louis from Raleigh/Durham

Nearby airports with service to St. Louis Lambert International Airport.
Metric RDU→STL GSO→STL ILM→STL
Distance from RDU 66 mi 122 mi
Nonstop airlines 1 1 1
Weekly flights 15 1
Flight time 2h 5m 1h 50m 1h 1m
Departure OTP 50%
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 to 2h 10m.
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 10m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights15 out / 15 return
1-stop connections105 hubs
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 approximately 2h 5m to 2h 10m. The route covers 666 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 15 nonstop flights per week from RDU to STL. The return direction has about 15 weekly flights.
Yes, 1-stop connections are available through CHO, HHH, AGS, ILM, MKC, ORF, ECP, BUF, MMU, ISM, DAY, DSM, LIT, SWF, MYR, ROC, JZI, MKE, CVG, CHS, AVL, NAS, SAV, PWK, TEB, BCT, CEU, ABE, OPF, ORL, EYW, FOK, HPN, BDL, JFK, SUA, ASE, APF, SAF, PBI, PLS, BED, PNS, BZN, PSP, SAT, YUL, CUN, CLD, MRY, VNY, PDX, YVR, SJC, SNA, MEM, SJU, MCI, SMF, JAX, CMH, PUJ, HOU, YYZ, EWR, BNA, ORD, DTW, IAD, PIT, ATL, DAL, DCA, IAH, CLT, MDW, LAS, MIA, BWI, MCO, SLC, PHL, BOS, MSY, RSW, MSP, SEA, DFW, LGA, TPA, DEN, FLL, SRQ, PHX, FRA, AUS, LHR, SFO, CLE, SAN, LUK, OKC, IND, GRR and LAX. These options provide additional schedule flexibility.
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 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. With 15 weekly departures, this is a well 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 10 minutes. The route covers a distance of 666 miles (1,072 km). There are approximately 15 weekly flights outbound and 15 return, totaling 30 flights per week in both directions.

Connecting Options and Alternatives

105 one-stop connections are available, with the fastest taking approximately 2 hours via CHO. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Greensboro (GSO) and Wilmington (ILM).