Baltimore to St Louis (BWI–STL) — Airlines, Schedules & Connections

BWI Airport Page →
736 mi airlines 26/wk
On-time Some delays Frequent delays
Flight Schedule 17 flights Verified 11h ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN1333
WN Southwest
B38M
6:10 AM
EDT
7:30 AM
CDT
2h 20m
M T W T F S S
Prices
WN1565
WN Southwest
73H
8:35 AM
EDT
10:00 AM
CDT
2h 25m
M T W T F S S
Prices
WN1335
WN Southwest
B38M
9:30 AM
EDT
10:50 AM
CDT
2h 20m
M T W T F S S
Prices
WN2496
WN Southwest
7S7
9:45 AM
EDT
11:05 AM
CDT
2h 20m
M T W T F S S
Prices
WN1337
WN Southwest
B38M
1:55 PM
EDT
3:15 PM
CDT
2h 20m
M T W T F S S
Prices
WN987
WN Southwest
7S7
6:20 PM
EDT
7:45 PM
CDT
2h 25m
M T W T F S S
Prices
WN1358
WN Southwest
7M8
7:00 PM
EDT
8:25 PM
CDT
2h 25m
M T W T F S S
Prices
WN4440
WN Southwest
B38M
6:14 AM
CDT T2
8:57 AM
EDT
1h 43m
M T W T F S S
Prices
WN1769
WN Southwest
7S7
8:20 AM
CDT T2
11:25 AM
EDT
2h 5m
M T W T F S S
Prices
WN3518
WN Southwest
73H
9:20 AM
CDT T2
12:25 PM
EDT
2h 5m
M T W T F S S
Prices
WN2737
WN Southwest
737
9:55 AM
CDT T2
12:55 PM
EDT
2h
M T W T F S S
Prices
WN3461
WN Southwest
73H
11:00 AM
CDT T2
2:05 PM
EDT
2h 5m
M T W T F S S
Prices
WN2098
WN Southwest
7S7
11:15 AM
CDT T2
2:15 PM
EDT
2h
M T W T F S S
Prices
WN4340
WN Southwest
73H
1:05 PM
CDT T2
4:10 PM
EDT
2h 5m
M T W T F S S
Prices
WN3144
WN Southwest
737
4:00 PM
CDT T2
7:05 PM
EDT
2h 5m
M T W T F S S
Prices
WN4442
WN Southwest
737
6:45 PM
CDT T2
9:45 PM
EDT
2h
M T W T F S S
Prices
WN1555
WN Southwest
7S7
8:00 PM
CDT T2
11:00 PM
EDT
2h
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
Baltimore to St Louis
1 carrier, 26 flights/week nonstop.
1 Airlines 26 Flights/wk 736 mi 2h 20m nonstop -1h behind 111 1-stop hubs

BWI–STL is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 736 miles in approximately 2h 20m. Beyond nonstop, 111 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop BWI–STL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 26 73H, 7M8, 7S7, B38M 2h20-2h25 91%
Aircraft on this route
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
7S7 Boeing 737 MAX 7 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (26 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, BWI to STL direction.
Mon
4
flights
Tue
3
flights
Wed
3
flights
Thu
4
flights
Fri
4
flights
Sat
3
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
7
Nonstop flights
26
Outbound / wk
28
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for BWI to STL.
1-STOP
One-Stop Connections
111
Hubs
~2h
Fastest
~28h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,763
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 Baltimore

Nearby airports with service to St. Louis Lambert International Airport.
Metric BWI→STL DCA→STL IAD→STL
Distance from BWI 30 mi 45 mi
Nonstop airlines 1 3 10
Weekly flights 26 65 59
Flight time 2h 20m 2h 15m 1h 41m
Departure OTP 91%
Airports within 200 miles of BWI with service to St. Louis Lambert International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-1h
St Louis is 1 hour behind Baltimore.
BWI: EDT · STL: CDT

When it's 6:00 PM in Baltimore, it's 5:00 PM in St Louis.
Distance & Flight Time
736 mi / 1,184 km
Nonstop flight time is approximately 2h 20m to 2h 25m.

BWI–STL Quick Facts

Key statistics for the Baltimore to St Louis route.
Route details
Distance736 mi / 1,184 km
Flight time2h 20m to 2h 25m
Time difference-1 hour
Airlines (nonstop)1
Weekly flights26 out / 28 return
1-stop connections111 hubs
Origin: BWI
IATA / ICAOBWI / KBWI
TimezoneAmerica/New_York
Passengers/yr26.4M
Elevation146 ft / 45 m
Destination: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m

Frequently Asked Questions

Common questions about BWI to STL flights.
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to St. Louis Lambert International Airport take approximately 2h 20m to 2h 25m. The route covers 736 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 26 nonstop flights per week from BWI to STL. The return direction has about 28 weekly flights.
Yes, 1-stop connections are available through SUS, LWB, CHO, BKL, BUF, MMU, AGS, ORF, ROC, ILM, MKC, AIK, GSO, TEB, PTK, JFK, IAD, DCA, HPN, GSP, HYA, LIT, PIE, CEU, YYZ, BDL, PHL, FOK, OMA, DSM, EYW, BED, OPF, BCT, EGE, NAS, APF, SUA, ASE, SAF, PBI, LGA, BZN, 07FA, JAC, PLS, RIL, ABQ, PSP, VPS, SCF, MRY, SNA, VNY, CHS, SJC, MEM, SJU, PUJ, SJD, DTW, ECP, JAX, BNA, SAV, CLE, RDU, PIT, CMH, ORD, CLT, EWR, ATL, MDW, CVG, IAH, MCI, RSW, MCO, DAL, MSY, MSP, MKE, SAT, DEN, FLL, PHX, MIA, HOU, BOS, LAX, MYR, MBJ, SLC, TPA, LAS, AUS, DFW, SEA, SAN, SRQ, LHR, SMF, SFO, PDX, LUK, DPA, CUN, GRR, IND and OKC. These options provide additional schedule flexibility.
St Louis is 1 hour behind Baltimore.
Yes, return flights from STL to BWI are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include DCA, IAD and PHL. 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 BWI to STL

Baltimore/Washington International Thurgood Marshall Airport (BWI) and St. Louis Lambert International Airport (STL) are connected by nonstop service from Southwest Airlines. With 26 weekly departures, this is a well served route.

BWI to STL Flight Duration and Schedule

Nonstop flight time from BWI to STL ranges from 2 hours 20 minutes to 2 hours 25 minutes. The route covers a distance of 736 miles (1,184 km). There are approximately 26 weekly flights outbound and 28 return, totaling 54 flights per week in both directions.

Connecting Options and Alternatives

111 one-stop connections are available, with the fastest taking approximately 2 hours via SUS. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Washington (DCA), Dulles (IAD) and Philadelphia (PHL).