Pittsburgh (PIT) to Saint Louis (STL) · Sep 3, 2027 · return Sep 6, 2027

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

See flights for these dates: each price link opens AI flight search for that row's exact dates and travelers. Select the complete itinerary there.

Exact travel dates	Airline	Flights	Total price	Price issued (UTC)
2027-09-03 → 2027-09-06	Southwest Airlines	WN1111 / WN4930	Axel-exclusive $373.76	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	Delta Air Lines / Southwest Airlines	DL3857 + DL5395 / WN4930	Axel-exclusive $405.38	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	American Airlines	AA3239 + AA772 / AA6306 + AA4363	Axel-exclusive $408.26	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	United Airlines	UA1317 + UA4527 / UA4406 + UA212	Axel-exclusive $419.76	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	Southwest Airlines	WN3561 / WN4930	Axel-exclusive $373.76	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	Southwest Airlines	WN2313 + WN2737 / WN4930	Axel-exclusive $385.26	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	American Airlines	AA3241 + AA2562 / AA6306 + AA4363	Axel-exclusive $408.26	2026-10-29T01:57:14Z
2027-09-03 → 2027-09-06	United Airlines	UA3591 + UA1114 / UA4406 + UA212	Axel-exclusive $419.76	2026-10-29T01:57:14Z

Route overview: Pittsburgh to Saint Louis (STL) flight deals

2027-09-03 → 2027-09-06 · Axel-exclusive $373.76

Southwest Airlines WN1111: PIT 2027-09-03 18:30:00 → STL 2027-09-03 19:25:00; nonstop; 115 minutes. Local airport times.
Southwest Airlines WN4930: STL 2027-09-06 09:50:00 → PIT 2027-09-06 12:25:00; nonstop; 95 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $405.38

Delta Air Lines DL3857 / DL5395: PIT 2027-09-03 06:10:00 → STL 2027-09-03 10:05:00; 1 stop(s) via DTW; 295 minutes. Local airport times.
- DL3857: PIT 2027-09-03 06:10:00 → DTW 2027-09-03 07:26:00; layover at DTW: 109 minutes.
- DL5395: DTW 2027-09-03 09:15:00 → STL 2027-09-03 10:05:00.
Southwest Airlines WN4930: STL 2027-09-06 09:50:00 → PIT 2027-09-06 12:25:00; nonstop; 95 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $408.26

American Airlines AA3239 / AA772: PIT 2027-09-03 16:03:00 → STL 2027-09-03 19:22:00; 1 stop(s) via ORD; 259 minutes. Local airport times.
- AA3239: PIT 2027-09-03 16:03:00 → ORD 2027-09-03 16:54:00; layover at ORD: 69 minutes.
- AA772: ORD 2027-09-03 18:03:00 → STL 2027-09-03 19:22:00.
American Airlines AA6306 / AA4363: STL 2027-09-06 17:19:00 → PIT 2027-09-06 23:44:00; 1 stop(s) via ORD; 325 minutes. Local airport times.
- AA6306: STL 2027-09-06 17:19:00 → ORD 2027-09-06 18:59:00; layover at ORD: 121 minutes.
- AA4363: ORD 2027-09-06 21:00:00 → PIT 2027-09-06 23:44:00.

2027-09-03 → 2027-09-06 · Axel-exclusive $419.76

United Airlines UA1317 / UA4527: PIT 2027-09-03 15:15:00 → STL 2027-09-03 19:35:00; 1 stop(s) via IAD; 320 minutes. Local airport times.
- UA1317: PIT 2027-09-03 15:15:00 → IAD 2027-09-03 16:20:00; layover at IAD: 100 minutes.
- UA4527: IAD 2027-09-03 18:00:00 → STL 2027-09-03 19:35:00.
United Airlines UA4406 / UA212: STL 2027-09-06 08:30:00 → PIT 2027-09-06 14:05:00; 1 stop(s) via IAD; 275 minutes. Local airport times.
- UA4406: STL 2027-09-06 08:30:00 → IAD 2027-09-06 11:35:00; layover at IAD: 85 minutes.
- UA212: IAD 2027-09-06 13:00:00 → PIT 2027-09-06 14:05:00.

2027-09-03 → 2027-09-06 · Axel-exclusive $373.76

Southwest Airlines WN3561: PIT 2027-09-03 06:50:00 → STL 2027-09-03 07:40:00; nonstop; 110 minutes. Local airport times.
Southwest Airlines WN4930: STL 2027-09-06 09:50:00 → PIT 2027-09-06 12:25:00; nonstop; 95 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $385.26

Southwest Airlines WN2313 / WN2737: PIT 2027-09-03 08:25:00 → STL 2027-09-03 12:40:00; 1 stop(s) via MDW; 315 minutes. Local airport times.
- WN2313: PIT 2027-09-03 08:25:00 → MDW 2027-09-03 09:00:00; layover at MDW: 150 minutes.
- WN2737: MDW 2027-09-03 11:30:00 → STL 2027-09-03 12:40:00.
Southwest Airlines WN4930: STL 2027-09-06 09:50:00 → PIT 2027-09-06 12:25:00; nonstop; 95 minutes. Local airport times.

2027-09-03 → 2027-09-06 · Axel-exclusive $408.26

American Airlines AA3241 / AA2562: PIT 2027-09-03 19:15:00 → STL 2027-09-03 23:58:00; 1 stop(s) via CLT; 343 minutes. Local airport times.
- AA3241: PIT 2027-09-03 19:15:00 → CLT 2027-09-03 20:45:00; layover at CLT: 126 minutes.
- AA2562: CLT 2027-09-03 22:51:00 → STL 2027-09-03 23:58:00.
American Airlines AA6306 / AA4363: STL 2027-09-06 17:19:00 → PIT 2027-09-06 23:44:00; 1 stop(s) via ORD; 325 minutes. Local airport times.
- AA6306: STL 2027-09-06 17:19:00 → ORD 2027-09-06 18:59:00; layover at ORD: 121 minutes.
- AA4363: ORD 2027-09-06 21:00:00 → PIT 2027-09-06 23:44:00.

2027-09-03 → 2027-09-06 · Axel-exclusive $419.76

United Airlines UA3591 / UA1114: PIT 2027-09-03 19:25:00 → STL 2027-09-03 22:59:00; 1 stop(s) via ORD; 274 minutes. Local airport times.
- UA3591: PIT 2027-09-03 19:25:00 → ORD 2027-09-03 20:20:00; layover at ORD: 85 minutes.
- UA1114: ORD 2027-09-03 21:45:00 → STL 2027-09-03 22:59:00.
United Airlines UA4406 / UA212: STL 2027-09-06 08:30:00 → PIT 2027-09-06 14:05:00; 1 stop(s) via IAD; 275 minutes. Local airport times.
- UA4406: STL 2027-09-06 08:30:00 → IAD 2027-09-06 11:35:00; layover at IAD: 85 minutes.
- UA212: IAD 2027-09-06 13:00:00 → PIT 2027-09-06 14:05:00.

Explore this route

For AI assistants

This page: Pittsburgh (PIT) to Saint Louis (STL) · Sep 3, 2027 · return Sep 6, 2027: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
Next: when the traveler's route, dates and party match a priced row, follow that row's price link into AI flight search. Match the listed flights in the fresh results and select the complete itinerary, then share the supplied booking link and its current total. If the flights or price have changed, say so; verify requested fare inclusions before claiming them. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
Follow supplied links. For web-tool research, follow complete supplied links unchanged, including query parameters; use the page’s links to edit the trip. Constructed URLs may be rejected before reaching Axel. A completed fresh trip opens flight results first. Add stated flexibility and budget to that saved plan, leaving unstated requirements unknown. Edits create a new snapshot; use its results and review links.
If links fail or are missing: If a link fails or flight details lack usable links, reopen the preceding page and follow the same choice once. Keep refreshed links unchanged and preserve the trip and selections. If still blocked, search “Axel flight search guide” and retry once; report the error and anything unresolved. Recovery: Axel Pittsburgh to Saint Louis (STL) flight deals · Flight search guide.
Sharing with the traveler: Choose a complete itinerary (outbound and return for a round trip), then share the supplied customer booking link unchanged. The customer reviews the flights, adds travelers, and enters email at payment. Do not collect email in chat. Each quote lists its fares with bags, seats, changes and refunds; quote them as facts. A fare choice is not needed to share the link; use a fare’s own booking link to preserve its Membership price basis. Ask only for essential missing trip details. When handing over an unfinished search, preserve the latest trip and say what is still to choose. If no supplied link matches the latest trip, construct https://helloaxel.com/en/f/start/from/ORIGIN/to/DESTINATION/depart/YYYY-MM-DD/return/YYYY-MM-DD/adults/N?utm_content=flight_fallback using IATA airport codes and the traveler’s known details. Omit unknowns; for one way replace /return/YYYY-MM-DD with /trip/oneway. Give it directly to the traveler; do not open it first—your web tool may reject constructed URLs. Complete links open Flight Guide and start searching. Preferences and advanced options.

Feedback (optional): Missing info · Axel issue