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) |
|---|---|---|---|---|---|---|---|
| YUL → STL AC8687 | Economy | Virgin Australia | 15,000 | $85.00 | 2 | ||
| YUL → STL AC8687 | Economy | Virgin Australia | 15,000 | $85.00 | 7 | ||
| YUL → STL AC8687 | Business | Virgin Australia | 28,000 | $85.00 | 3 | ||
| YUL → STL AC8687 | Business | Virgin Australia | 28,000 | $85.00 | 3 | ||
| YUL → STL AC8687 | Business | Virgin Australia | 28,000 | $85.00 | 3 | ||
| YUL → STL AC8687 | Business | Virgin Australia | 28,000 | $85.00 | 3 |
Did you mean Flights from St Louis to Montreal?
Montreal
CanadaYUL
Montreal / Pierre Elliott Trudeau International Airport
St Louis
United StatesSTL
Lambert St Louis International Airport
Montreal / Pierre Elliott Trudeau International Airport (YUL) serves Montreal; Lambert St Louis International Airport (STL) serves St Louis.
The airports are 968 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from YUL to STL.
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
Montreal / Pierre Elliott Trudeau International Airport (YUL) is the origin airport and Lambert St Louis International Airport (STL) is the destination airport.
YUL and STL are approximately 968 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from YUL to STL.
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) and Embraer 175 (short wing) (E75).