
$220 Cheap United flights Harrisburg (MDT) to St. Louis (STL)
Prices were available within the past 7 days and start at $220 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 28 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$287 Roundtrip, found 4 hours ago
$287
Roundtrip
found 4 hours ago

Mon, May 26 - Sat, May 31
MDT
Harrisburg
STL
St. Louis
$324 Roundtrip, found 4 hours ago
$324
Roundtrip
found 4 hours ago

Mon, May 26 - Wed, May 28
MDT
Harrisburg
STL
St. Louis
$423 Roundtrip, found 4 hours ago
$423
Roundtrip
found 4 hours ago
Most Popular United Routes from Harrisburg
Most Popular United Routes from St. Louis
- Los Angeles to Tokyo (LAX - NRT)
- Denver to Chicago (DEN - ORD)
- Tucson to Lexington (TUS - LEX)
- Los Angeles to Boston (LAX - BOS)
- Columbia to Indianapolis (CAE - IND)
- Appleton to Dallas (ATW - DFW)
- Allentown to Barcelona (ABE - BCN)
- Atlanta to Nice (ATL - NCE)
- Monterey to Greenville (MRY - GSP)
- Baton Rouge to Indianapolis (BTR - IND)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Appleton to Dallas (ATW - DFW)
- Manchester to Greenville (MHT - GSP)
- Monterey to Greenville (MRY - GSP)
- Atlanta to Portland (ATL - PDX)
- Dallas to Seattle (DFW - SEA)
- Chicago to Tampa (ORD - TPA)
- Los Angeles to Boston (LAX - BOS)
- Columbia to Indianapolis (CAE - IND)
- Atlanta to Portland (ATL - PDX)
- Columbia to Indianapolis (CAE - IND)