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Saint Louis → Baltimore

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STL → BWI1 adulteconomy

20 flight options · 4 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
10:35 amSTL
4h 20m
BNA · 1h 35m
3:55 pmBWI
Southwest Airlines
2:30 pmBWI
6h
RDU · 2h 40m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
1:18 pmSTL
4h 51m
ORD · 1h 18m
7:09 pmBWI
Southwest Airlines
2:30 pmBWI
6h
RDU · 2h 40m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

American Airlines
11:37 amSTL
5h 8m
ORD · 1h 38m
5:45 pmBWI
American Airlines
2:26 pmBWI
6h 4m
CLT · 2h 27m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
6:06 pmSTL
4h 21m
DTW · 1h 9m
11:27 pmBWI
Delta Air Lines
12:18 pmBWI
6h 2m
DTW · 2h 38m
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
10:35 amSTL
4h 20m
BNA · 1h 35m
3:55 pmBWI
Southwest Airlines
4:45 pmBWI
5h 15m
CMH · 2h 20m
9:00 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Southwest Airlines
12:40 pmSTL
1h 50m
Nonstop
3:30 pmBWI
Southwest Airlines
2:30 pmBWI
6h
RDU · 2h 40m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
10:06 amSTL
4h 37m
ATL · 1h 23m
3:43 pmBWI
Delta Air Lines
12:18 pmBWI
6h 2m
DTW · 2h 38m
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Southwest Airlines
12:40 pmSTL
1h 50m
Nonstop
3:30 pmBWI
Southwest Airlines
4:45 pmBWI
5h 15m
CMH · 2h 20m
9:00 pmSTL

Round-trip total · 1 adult · Taxes included

Show 4 more flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
1:18 pmSTL
4h 51m
ORD · 1h 18m
7:09 pmBWI
Southwest Airlines
4:45 pmBWI
5h 15m
CMH · 2h 20m
9:00 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

American Airlines
11:37 amSTL
5h 8m
ORD · 1h 38m
5:45 pmBWI
American Airlines
2:26 pmBWI
6h 4m
CLT · 2h 27m
7:30 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
6:06 pmSTL
4h 21m
DTW · 1h 9m
11:27 pmBWI
Delta Air Lines
12:18 pmBWI
6h 2m
DTW · 2h 38m
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
10:06 amSTL
4h 37m
ATL · 1h 23m
3:43 pmBWI
Delta Air Lines
12:18 pmBWI
6h 2m
DTW · 2h 38m
5:20 pmSTL

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Southwest Airlines
12:40 pmSTL
1h 50m
Nonstop
3:30 pmBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

American Airlines
11:37 amSTL
5h 8m
ORD · 1h 38m
5:45 pmBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
1:18 pmSTL
4h 51m
ORD · 1h 18m
7:09 pmBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
10:06 amSTL
4h 37m
ATL · 1h 23m
3:43 pmBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
6:35 amSTL
1h 55m
Nonstop
9:30 amBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
10:35 amSTL
4h 20m
BNA · 1h 35m
3:55 pmBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Southwest Airlines
5:30 amSTL
5h 10m
MDW · 2h 15m
11:40 amBWI

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
6:06 pmSTL
4h 21m
DTW · 1h 9m
11:27 pmBWI

One-way total · 1 adult · Taxes included

Make this trip yours

STL ⇄ BWI

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
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Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one waySouthwest AirlinesWN2834$160.002026-10-29T01:28:19Z
2026-11-20 · one wayAmerican AirlinesAA3198 + AA4527$175.002026-10-29T01:28:19Z
2026-11-20 · one wayUnited AirlinesUA714 + UA399$180.002026-10-29T01:28:19Z
2026-11-20 · one wayDelta Air LinesDL1571 + DL2799$185.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23Southwest AirlinesWN665 + WN477 / WN237 + WN1459$290.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23United Airlines / Southwest AirlinesUA714 + UA399 / WN237 + WN1459$315.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23American AirlinesAA3198 + AA4527 / AA2316 + AA2937$330.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23Delta Air LinesDL2822 + DL2715 / DL1546 + DL2822$350.002026-10-29T01:28:19Z
2026-11-27 → 2026-12-04Southwest AirlinesWN665 + WN477 / WN979 + WN1282$340.752026-10-29T01:28:19Z
2026-11-20 · one waySouthwest AirlinesWN4124$160.002026-10-29T01:28:19Z
2026-11-20 · one waySouthwest AirlinesWN665 + WN477$150.002026-10-29T01:28:19Z
2026-11-20 · one waySouthwest AirlinesWN4173 + WN1123$150.002026-10-29T01:28:19Z
2026-11-20 · one wayDelta Air LinesDL2822 + DL2715$185.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23Southwest AirlinesWN2834 / WN237 + WN1459$300.002026-10-29T01:28:19Z
2026-11-20 → 2026-11-23Delta Air LinesDL1571 + DL2799 / DL1546 + DL2822$350.002026-10-29T01:28:19Z
2026-11-27 → 2026-12-04Southwest AirlinesWN2834 / WN979 + WN1282$354.252026-10-29T01:28:19Z
2026-11-27 → 2026-12-04United Airlines / Southwest AirlinesUA714 + UA399 / WN979 + WN1282$374.502026-10-29T01:28:19Z
2026-11-27 → 2026-12-04American AirlinesAA3198 + AA4527 / AA2316 + AA2937$387.752026-10-29T01:28:19Z
2026-11-27 → 2026-12-04Delta Air LinesDL2822 + DL2715 / DL1546 + DL2822$411.252026-10-29T01:28:19Z
2026-11-27 → 2026-12-04Delta Air LinesDL1571 + DL2799 / DL1546 + DL2822$411.252026-10-29T01:28:19Z

2026-11-20 · one way · $160.00

  • Southwest Airlines WN2834: STL 2026-11-20 12:40:00 → BWI 2026-11-20 15:30:00; nonstop; 110 minutes. Local airport times.

2026-11-20 · one way · $175.00

  • American Airlines AA3198 / AA4527: STL 2026-11-20 11:37:00 → BWI 2026-11-20 17:45:00; 1 stop(s) via ORD; 308 minutes. Local airport times.
    • AA3198: STL 2026-11-20 11:37:00 → ORD 2026-11-20 12:59:00; layover at ORD: 98 minutes.
    • AA4527: ORD 2026-11-20 14:37:00 → BWI 2026-11-20 17:45:00.

2026-11-20 · one way · $180.00

  • United Airlines UA714 / UA399: STL 2026-11-20 13:18:00 → BWI 2026-11-20 19:09:00; 1 stop(s) via ORD; 291 minutes. Local airport times.
    • UA714: STL 2026-11-20 13:18:00 → ORD 2026-11-20 14:47:00; layover at ORD: 78 minutes.
    • UA399: ORD 2026-11-20 16:05:00 → BWI 2026-11-20 19:09:00.

2026-11-20 · one way · $185.00

  • Delta Air Lines DL1571 / DL2799: STL 2026-11-20 10:06:00 → BWI 2026-11-20 15:43:00; 1 stop(s) via ATL; 277 minutes. Local airport times.
    • DL1571: STL 2026-11-20 10:06:00 → ATL 2026-11-20 12:36:00; layover at ATL: 83 minutes.
    • DL2799: ATL 2026-11-20 13:59:00 → BWI 2026-11-20 15:43:00.

2026-11-20 → 2026-11-23 · $290.00

  • Southwest Airlines WN665 / WN477: STL 2026-11-20 10:35:00 → BWI 2026-11-20 15:55:00; 1 stop(s) via BNA; 260 minutes. Local airport times.
    • WN665: STL 2026-11-20 10:35:00 → BNA 2026-11-20 11:40:00; layover at BNA: 95 minutes.
    • WN477: BNA 2026-11-20 13:15:00 → BWI 2026-11-20 15:55:00.
  • Southwest Airlines WN237 / WN1459: BWI 2026-11-23 14:30:00 → STL 2026-11-23 19:30:00; 1 stop(s) via RDU; 360 minutes. Local airport times.
    • WN237: BWI 2026-11-23 14:30:00 → RDU 2026-11-23 15:40:00; layover at RDU: 160 minutes.
    • WN1459: RDU 2026-11-23 18:20:00 → STL 2026-11-23 19:30:00.

2026-11-20 → 2026-11-23 · $315.00

  • United Airlines UA714 / UA399: STL 2026-11-20 13:18:00 → BWI 2026-11-20 19:09:00; 1 stop(s) via ORD; 291 minutes. Local airport times.
    • UA714: STL 2026-11-20 13:18:00 → ORD 2026-11-20 14:47:00; layover at ORD: 78 minutes.
    • UA399: ORD 2026-11-20 16:05:00 → BWI 2026-11-20 19:09:00.
  • Southwest Airlines WN237 / WN1459: BWI 2026-11-23 14:30:00 → STL 2026-11-23 19:30:00; 1 stop(s) via RDU; 360 minutes. Local airport times.
    • WN237: BWI 2026-11-23 14:30:00 → RDU 2026-11-23 15:40:00; layover at RDU: 160 minutes.
    • WN1459: RDU 2026-11-23 18:20:00 → STL 2026-11-23 19:30:00.

2026-11-20 → 2026-11-23 · $330.00

  • American Airlines AA3198 / AA4527: STL 2026-11-20 11:37:00 → BWI 2026-11-20 17:45:00; 1 stop(s) via ORD; 308 minutes. Local airport times.
    • AA3198: STL 2026-11-20 11:37:00 → ORD 2026-11-20 12:59:00; layover at ORD: 98 minutes.
    • AA4527: ORD 2026-11-20 14:37:00 → BWI 2026-11-20 17:45:00.
  • American Airlines AA2316 / AA2937: BWI 2026-11-23 14:26:00 → STL 2026-11-23 19:30:00; 1 stop(s) via CLT; 364 minutes. Local airport times.
    • AA2316: BWI 2026-11-23 14:26:00 → CLT 2026-11-23 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2026-11-23 18:27:00 → STL 2026-11-23 19:30:00.

2026-11-20 → 2026-11-23 · $350.00

  • Delta Air Lines DL2822 / DL2715: STL 2026-11-20 18:06:00 → BWI 2026-11-20 23:27:00; 1 stop(s) via DTW; 261 minutes. Local airport times.
    • DL2822: STL 2026-11-20 18:06:00 → DTW 2026-11-20 20:45:00; layover at DTW: 69 minutes.
    • DL2715: DTW 2026-11-20 21:54:00 → BWI 2026-11-20 23:27:00.
  • Delta Air Lines DL1546 / DL2822: BWI 2026-11-23 12:18:00 → STL 2026-11-23 17:20:00; 1 stop(s) via DTW; 362 minutes. Local airport times.
    • DL1546: BWI 2026-11-23 12:18:00 → DTW 2026-11-23 13:55:00; layover at DTW: 158 minutes.
    • DL2822: DTW 2026-11-23 16:33:00 → STL 2026-11-23 17:20:00.

2026-11-27 → 2026-12-04 · $340.75

  • Southwest Airlines WN665 / WN477: STL 2026-11-27 10:35:00 → BWI 2026-11-27 15:55:00; 1 stop(s) via BNA; 260 minutes. Local airport times.
    • WN665: STL 2026-11-27 10:35:00 → BNA 2026-11-27 11:40:00; layover at BNA: 95 minutes.
    • WN477: BNA 2026-11-27 13:15:00 → BWI 2026-11-27 15:55:00.
  • Southwest Airlines WN979 / WN1282: BWI 2026-12-04 16:45:00 → STL 2026-12-04 21:00:00; 1 stop(s) via CMH; 315 minutes. Local airport times.
    • WN979: BWI 2026-12-04 16:45:00 → CMH 2026-12-04 18:10:00; layover at CMH: 140 minutes.
    • WN1282: CMH 2026-12-04 20:30:00 → STL 2026-12-04 21:00:00.

2026-11-20 · one way · $160.00

  • Southwest Airlines WN4124: STL 2026-11-20 06:35:00 → BWI 2026-11-20 09:30:00; nonstop; 115 minutes. Local airport times.

2026-11-20 · one way · $150.00

  • Southwest Airlines WN665 / WN477: STL 2026-11-20 10:35:00 → BWI 2026-11-20 15:55:00; 1 stop(s) via BNA; 260 minutes. Local airport times.
    • WN665: STL 2026-11-20 10:35:00 → BNA 2026-11-20 11:40:00; layover at BNA: 95 minutes.
    • WN477: BNA 2026-11-20 13:15:00 → BWI 2026-11-20 15:55:00.

2026-11-20 · one way · $150.00

  • Southwest Airlines WN4173 / WN1123: STL 2026-11-20 05:30:00 → BWI 2026-11-20 11:40:00; 1 stop(s) via MDW; 310 minutes. Local airport times.
    • WN4173: STL 2026-11-20 05:30:00 → MDW 2026-11-20 06:35:00; layover at MDW: 135 minutes.
    • WN1123: MDW 2026-11-20 08:50:00 → BWI 2026-11-20 11:40:00.

2026-11-20 · one way · $185.00

  • Delta Air Lines DL2822 / DL2715: STL 2026-11-20 18:06:00 → BWI 2026-11-20 23:27:00; 1 stop(s) via DTW; 261 minutes. Local airport times.
    • DL2822: STL 2026-11-20 18:06:00 → DTW 2026-11-20 20:45:00; layover at DTW: 69 minutes.
    • DL2715: DTW 2026-11-20 21:54:00 → BWI 2026-11-20 23:27:00.

2026-11-20 → 2026-11-23 · $300.00

  • Southwest Airlines WN2834: STL 2026-11-20 12:40:00 → BWI 2026-11-20 15:30:00; nonstop; 110 minutes. Local airport times.
  • Southwest Airlines WN237 / WN1459: BWI 2026-11-23 14:30:00 → STL 2026-11-23 19:30:00; 1 stop(s) via RDU; 360 minutes. Local airport times.
    • WN237: BWI 2026-11-23 14:30:00 → RDU 2026-11-23 15:40:00; layover at RDU: 160 minutes.
    • WN1459: RDU 2026-11-23 18:20:00 → STL 2026-11-23 19:30:00.

2026-11-20 → 2026-11-23 · $350.00

  • Delta Air Lines DL1571 / DL2799: STL 2026-11-20 10:06:00 → BWI 2026-11-20 15:43:00; 1 stop(s) via ATL; 277 minutes. Local airport times.
    • DL1571: STL 2026-11-20 10:06:00 → ATL 2026-11-20 12:36:00; layover at ATL: 83 minutes.
    • DL2799: ATL 2026-11-20 13:59:00 → BWI 2026-11-20 15:43:00.
  • Delta Air Lines DL1546 / DL2822: BWI 2026-11-23 12:18:00 → STL 2026-11-23 17:20:00; 1 stop(s) via DTW; 362 minutes. Local airport times.
    • DL1546: BWI 2026-11-23 12:18:00 → DTW 2026-11-23 13:55:00; layover at DTW: 158 minutes.
    • DL2822: DTW 2026-11-23 16:33:00 → STL 2026-11-23 17:20:00.

2026-11-27 → 2026-12-04 · $354.25

  • Southwest Airlines WN2834: STL 2026-11-27 12:40:00 → BWI 2026-11-27 15:30:00; nonstop; 110 minutes. Local airport times.
  • Southwest Airlines WN979 / WN1282: BWI 2026-12-04 16:45:00 → STL 2026-12-04 21:00:00; 1 stop(s) via CMH; 315 minutes. Local airport times.
    • WN979: BWI 2026-12-04 16:45:00 → CMH 2026-12-04 18:10:00; layover at CMH: 140 minutes.
    • WN1282: CMH 2026-12-04 20:30:00 → STL 2026-12-04 21:00:00.

2026-11-27 → 2026-12-04 · $374.50

  • United Airlines UA714 / UA399: STL 2026-11-27 13:18:00 → BWI 2026-11-27 19:09:00; 1 stop(s) via ORD; 291 minutes. Local airport times.
    • UA714: STL 2026-11-27 13:18:00 → ORD 2026-11-27 14:47:00; layover at ORD: 78 minutes.
    • UA399: ORD 2026-11-27 16:05:00 → BWI 2026-11-27 19:09:00.
  • Southwest Airlines WN979 / WN1282: BWI 2026-12-04 16:45:00 → STL 2026-12-04 21:00:00; 1 stop(s) via CMH; 315 minutes. Local airport times.
    • WN979: BWI 2026-12-04 16:45:00 → CMH 2026-12-04 18:10:00; layover at CMH: 140 minutes.
    • WN1282: CMH 2026-12-04 20:30:00 → STL 2026-12-04 21:00:00.

2026-11-27 → 2026-12-04 · $387.75

  • American Airlines AA3198 / AA4527: STL 2026-11-27 11:37:00 → BWI 2026-11-27 17:45:00; 1 stop(s) via ORD; 308 minutes. Local airport times.
    • AA3198: STL 2026-11-27 11:37:00 → ORD 2026-11-27 12:59:00; layover at ORD: 98 minutes.
    • AA4527: ORD 2026-11-27 14:37:00 → BWI 2026-11-27 17:45:00.
  • American Airlines AA2316 / AA2937: BWI 2026-12-04 14:26:00 → STL 2026-12-04 19:30:00; 1 stop(s) via CLT; 364 minutes. Local airport times.
    • AA2316: BWI 2026-12-04 14:26:00 → CLT 2026-12-04 16:00:00; layover at CLT: 147 minutes.
    • AA2937: CLT 2026-12-04 18:27:00 → STL 2026-12-04 19:30:00.

2026-11-27 → 2026-12-04 · $411.25

  • Delta Air Lines DL2822 / DL2715: STL 2026-11-27 18:06:00 → BWI 2026-11-27 23:27:00; 1 stop(s) via DTW; 261 minutes. Local airport times.
    • DL2822: STL 2026-11-27 18:06:00 → DTW 2026-11-27 20:45:00; layover at DTW: 69 minutes.
    • DL2715: DTW 2026-11-27 21:54:00 → BWI 2026-11-27 23:27:00.
  • Delta Air Lines DL1546 / DL2822: BWI 2026-12-04 12:18:00 → STL 2026-12-04 17:20:00; 1 stop(s) via DTW; 362 minutes. Local airport times.
    • DL1546: BWI 2026-12-04 12:18:00 → DTW 2026-12-04 13:55:00; layover at DTW: 158 minutes.
    • DL2822: DTW 2026-12-04 16:33:00 → STL 2026-12-04 17:20:00.

2026-11-27 → 2026-12-04 · $411.25

  • Delta Air Lines DL1571 / DL2799: STL 2026-11-27 10:06:00 → BWI 2026-11-27 15:43:00; 1 stop(s) via ATL; 277 minutes. Local airport times.
    • DL1571: STL 2026-11-27 10:06:00 → ATL 2026-11-27 12:36:00; layover at ATL: 83 minutes.
    • DL2799: ATL 2026-11-27 13:59:00 → BWI 2026-11-27 15:43:00.
  • Delta Air Lines DL1546 / DL2822: BWI 2026-12-04 12:18:00 → STL 2026-12-04 17:20:00; 1 stop(s) via DTW; 362 minutes. Local airport times.
    • DL1546: BWI 2026-12-04 12:18:00 → DTW 2026-12-04 13:55:00; layover at DTW: 158 minutes.
    • DL2822: DTW 2026-12-04 16:33:00 → STL 2026-12-04 17:20:00.

More dates for this route