
$219 Cheap United flights St. Louis (STL) to Boston (BOS)
Prices were available within the past 7 days and start at $219 for one-way flights and $347 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 13 - Sat, Aug 23
STL
St. Louis
BOS
Boston
$347 Roundtrip, found 1 day ago
$347
Roundtrip
found 1 day ago
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Logan Intl. |
Airlines serving | American Airlines, Delta, Spirit Airlines, United |
Popular airline | American Airlines |
Distance | 1669 km |
Average flight time | 4 hours 8 mins |
Most Popular United Routes from St. Louis
Most Popular United Routes from Boston
- Los Angeles to Harrisburg (LAX - MDT)
- Tampa to Boston (TPA - BOS)
- Denver to Philadelphia (DEN - PHL)
- Lafayette to Spokane (LFT - GEG)
- Atlanta to Denver (ATL - DEN)
- Newark Liberty Intl. Airport to Lisbon (EWR - LIS)
- San Diego to Washington (SAN - DCA)
- Orlando to Seattle (MCO - SEA)
- Fort Lauderdale to San Antonio (FLL - SAT)
- Detroit to Las Vegas (DTW - LAS)
Popular Domestic Routes in Logan Intl.
- Los Angeles to Harrisburg (LAX - MDT)
- Richmond to Las Vegas (RIC - LAS)
- Tampa to Boston (TPA - BOS)
- Los Angeles to Fort Lauderdale (LAX - FLL)
- Denver to Philadelphia (DEN - PHL)
- Detroit to Las Vegas (DTW - LAS)
- Kansas City to Boston (MCI - BOS)
- Atlanta to New York (ATL - LGA)
- Atlanta to Denver (ATL - DEN)
- Orlando to Seattle (MCO - SEA)