A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
Departure window: through .
| Route / flight | Departure | Cabin | Book with | Points | Fees (USD) | Seats seen | Observed (UTC) |
|---|---|---|---|---|---|---|---|
| STL → BOS AA4512 | Economy | Alaska Atmos Rewards | 7,500 | $25.00 | 9 | ||
| STL → BOS AA4512 | First | Alaska Atmos Rewards | 15,000 | $25.00 | 5 |
Did you mean Flights from Boston to St Louis?
St Louis
United StatesSTL
Lambert St Louis International Airport
Boston
United StatesBOS
General Edward Lawrence Logan International Airport
Lambert St Louis International Airport (STL) serves St Louis; General Edward Lawrence Logan International Airport (BOS) serves Boston.
The airports are 1,044 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from STL to BOS.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), British Airways (BA), Iberia (IB), Qatar Airways (QR), United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 21, 2026 – Sep 19, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld, Star Alliance
Lambert St Louis International Airport (STL) is the origin airport and General Edward Lawrence Logan International Airport (BOS) is the destination airport.
STL and BOS are approximately 1,044 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from STL to BOS.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), British Airways (BA), Iberia (IB), Qatar Airways (QR), United Airlines (UA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A319 (319), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-700 / Boeing 737-700ER (73G), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7, Embraer 175 (short wing) (E75) and JET.