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Saint Louis → Baltimore

Jan 21, 2027 · one way

STL → BWI1 adulteconomyOne way

8 flight options · 4 airlines

Nonstop flights

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

One-stop flights

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · One way

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

One-way total · 1 adult · Taxes included

Thu, Jan 21 · 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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More dates

All dates for this routeNov 24, 2026 → Nov 29, 2026Dec 22, 2026 → Dec 27, 2026Dec 30, 2026 → Jan 2, 2027Jan 15, 2027 → Jan 18, 2027Oct 30, 2026 → Nov 2, 2026Oct 31, 2026 → Nov 7, 2026Nov 27, 2026 → Nov 30, 2026Nov 28, 2026 → Dec 5, 2026Dec 25, 2026 → Dec 28, 2026Dec 26, 2026 → Jan 2, 2027Jan 22, 2027 → Jan 25, 2027Oct 30, 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)
2027-01-21 · one waySouthwest AirlinesWN2834$152.002026-10-29T01:28:19Z
2027-01-21 · one wayAmerican AirlinesAA3198 + AA4527$166.252026-10-29T01:28:19Z
2027-01-21 · one wayUnited AirlinesUA714 + UA399$171.002026-10-29T01:28:19Z
2027-01-21 · one wayDelta Air LinesDL1571 + DL2799$175.752026-10-29T01:28:19Z
2027-01-21 · one waySouthwest AirlinesWN4124$152.002026-10-29T01:28:19Z
2027-01-21 · one waySouthwest AirlinesWN665 + WN477$142.502026-10-29T01:28:19Z
2027-01-21 · one waySouthwest AirlinesWN4173 + WN1123$142.502026-10-29T01:28:19Z
2027-01-21 · one wayDelta Air LinesDL2822 + DL2715$175.752026-10-29T01:28:19Z

2027-01-21 · one way · $152.00

  • Southwest Airlines WN2834: STL 2027-01-21 12:40:00 → BWI 2027-01-21 15:30:00; nonstop; 110 minutes. Local airport times.

2027-01-21 · one way · $166.25

  • American Airlines AA3198 / AA4527: STL 2027-01-21 11:37:00 → BWI 2027-01-21 17:45:00; 1 stop(s) via ORD; 308 minutes. Local airport times.
    • AA3198: STL 2027-01-21 11:37:00 → ORD 2027-01-21 12:59:00; layover at ORD: 98 minutes.
    • AA4527: ORD 2027-01-21 14:37:00 → BWI 2027-01-21 17:45:00.

2027-01-21 · one way · $171.00

  • United Airlines UA714 / UA399: STL 2027-01-21 13:18:00 → BWI 2027-01-21 19:09:00; 1 stop(s) via ORD; 291 minutes. Local airport times.
    • UA714: STL 2027-01-21 13:18:00 → ORD 2027-01-21 14:47:00; layover at ORD: 78 minutes.
    • UA399: ORD 2027-01-21 16:05:00 → BWI 2027-01-21 19:09:00.

2027-01-21 · one way · $175.75

  • Delta Air Lines DL1571 / DL2799: STL 2027-01-21 10:06:00 → BWI 2027-01-21 15:43:00; 1 stop(s) via ATL; 277 minutes. Local airport times.
    • DL1571: STL 2027-01-21 10:06:00 → ATL 2027-01-21 12:36:00; layover at ATL: 83 minutes.
    • DL2799: ATL 2027-01-21 13:59:00 → BWI 2027-01-21 15:43:00.

2027-01-21 · one way · $152.00

  • Southwest Airlines WN4124: STL 2027-01-21 06:35:00 → BWI 2027-01-21 09:30:00; nonstop; 115 minutes. Local airport times.

2027-01-21 · one way · $142.50

  • Southwest Airlines WN665 / WN477: STL 2027-01-21 10:35:00 → BWI 2027-01-21 15:55:00; 1 stop(s) via BNA; 260 minutes. Local airport times.
    • WN665: STL 2027-01-21 10:35:00 → BNA 2027-01-21 11:40:00; layover at BNA: 95 minutes.
    • WN477: BNA 2027-01-21 13:15:00 → BWI 2027-01-21 15:55:00.

2027-01-21 · one way · $142.50

  • Southwest Airlines WN4173 / WN1123: STL 2027-01-21 05:30:00 → BWI 2027-01-21 11:40:00; 1 stop(s) via MDW; 310 minutes. Local airport times.
    • WN4173: STL 2027-01-21 05:30:00 → MDW 2027-01-21 06:35:00; layover at MDW: 135 minutes.
    • WN1123: MDW 2027-01-21 08:50:00 → BWI 2027-01-21 11:40:00.

2027-01-21 · one way · $175.75

  • Delta Air Lines DL2822 / DL2715: STL 2027-01-21 18:06:00 → BWI 2027-01-21 23:27:00; 1 stop(s) via DTW; 261 minutes. Local airport times.
    • DL2822: STL 2027-01-21 18:06:00 → DTW 2027-01-21 20:45:00; layover at DTW: 69 minutes.
    • DL2715: DTW 2027-01-21 21:54:00 → BWI 2027-01-21 23:27:00.

More dates for this route