Cheap Frontier Airlines flights Boston (BOS) to St. Louis (STL)
Prices were available within the past 7 days and start at for one-way flights and $402 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Mon, Jun 16 - Thu, Jun 19
BOS
Boston
STL
St. Louis
$402 Roundtrip, found 12 hours ago
$402
Roundtrip
found 12 hours ago
Travel information
Travel information
Origin airport | Logan Intl. |
Destination airport | Lambert-St. Louis Intl. |
Airlines serving | American Airlines, Delta, Frontier Airlines, Spirit Airlines, United |
Popular airline | Delta |
Distance | 1669 km |
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Most Popular Frontier Airlines Routes from Boston
Most Popular Frontier Airlines Routes from St. Louis
- Tampa to Phoenix (TPA - PHX)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Detroit to Philadelphia (DTW - PHL)
- Philadelphia to San Juan (PHL - SJU)
- Chicago to San Juan (ORD - SJU)
- Denver to New York (DEN - LGA)
- San Juan to Newark Liberty Intl. Airport (SJU - EWR)
- San Antonio to Ontario (SAT - ONT)
- Newark Liberty Intl. Airport to San Juan (EWR - SJU)
- Denver to New York (DEN - JFK)
Popular Domestic Routes in Lambert-St. Louis Intl.
- Denver to Minneapolis (DEN - MSP)
- Miami to Washington (MIA - IAD)
- Dallas to Los Angeles (DFW - LAX)
- New York to San Juan (JFK - SJU)
- Detroit to Philadelphia (DTW - PHL)
- Phoenix to Cleveland (PHX - CLE)
- San Antonio to Ontario (SAT - ONT)
- Detroit to Philadelphia (DTW - PHL)
- San Juan to Newark Liberty Intl. Airport (SJU - EWR)
- San Antonio to Ontario (SAT - ONT)