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 → YUL UA3715 | Economy | Virgin Australia | 12,500 | $9.00 | 9 | ||
| STL → YUL AC8688 | Economy | Virgin Australia | 15,000 | $33.00 | 1 | ||
| STL → YUL AC8688 | Economy | Virgin Australia | 15,000 | $33.00 | 4 | ||
| STL → YUL AC8688 | Economy | Virgin Australia | 15,000 | $33.00 | 5 | ||
| STL → YUL AC8688 | Economy | Virgin Australia | 15,000 | $33.00 | 9 | ||
| STL → YUL AC8688 | Business | Virgin Australia | 28,000 | $33.00 | 2 | ||
| STL → YUL AC8688 | Business | Virgin Australia | 28,000 | $33.00 | 3 | ||
| STL → YUL AC8688 | Business | Virgin Australia | 28,000 | $33.00 | 2 | ||
| STL → YUL AC8688 | Business | Virgin Australia | 28,000 | $33.00 | 3 | ||
| STL → YUL AC8688 | Business | Virgin Australia | 28,000 | $33.00 | 3 |
Did you mean Flights from Montreal to St Louis?
St Louis
United StatesSTL
Lambert St Louis International Airport
Montreal
CanadaYUL
Montreal / Pierre Elliott Trudeau International Airport
Lambert St Louis International Airport (STL) serves St Louis; Montreal / Pierre Elliott Trudeau International Airport (YUL) serves Montreal.
The airports are 968 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from STL to YUL.
Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC) and United Airlines (UA). 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 16, 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: Star Alliance
Lambert St Louis International Airport (STL) is the origin airport and Montreal / Pierre Elliott Trudeau International Airport (YUL) is the destination airport.
STL and YUL are approximately 968 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from STL to YUL.
Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Canadair Regional Jet 900 (CR9), Embraer 175 (short wing) (E75) and Embraer 175 (long wing) (E7W).