St Louis to Montréal (STL–YUL) — Airlines, Schedules & Connections

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968 mi airlines 7/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 21m ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
AC1564+1
AC Air Canada
BCS3
1:00 PM
CDT T1
4:35 PM
EDT
2h 35m
M T W T F S S
Prices
AC1565+1
AC Air Canada
223
6:30 PM
EDT
8:25 PM
CDT
2h 55m
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
St Louis to Montréal
1 carrier, 7 flights/week nonstop.
1 Airlines 7 Flights/wk 968 mi 2h 35m nonstop +1h ahead 73 1-stop hubs

STL–YUL is served by 1 airline with nonstop service. Air Canada leads the route. The flight covers 968 miles in approximately 2h 35m. Beyond nonstop, 73 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop STL–YUL service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
AC Air Canada 7 BCS3 2h35 100% Star Alliance
Aircraft on this route
BCS3 Airbus A220-300 – AC
Alliance coverage
Star Alliance: AC (7 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, STL to YUL direction.
Mon
1
flight
Tue
1
flight
Wed
1
flight
Thu
1
flight
Fri
1
flight
Sat
1
flight
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
7
Outbound / wk
7
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for STL to YUL.
1-STOP
One-Stop Connections
73
Hubs
~3h
Fastest
~30h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
2,317
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Travel Essentials

Practical planning for this route.
Time Difference
+1h
Montréal is 1 hour ahead of St Louis.
STL: CDT · YUL: EDT

When it's 6:00 PM in St Louis, it's 7:00 PM in Montréal.
Distance & Flight Time
968 mi / 1,558 km
Nonstop flight time is approximately 2h 35m.
Visa & Entry

US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.

Getting from YUL

The 747 Express bus departs from the arrivals level every 20–30 minutes around the clock (CAD $11). It stops at several downtown métro stations, making it convenient for most city-centre destinations. Taxis from the arrivals level charge a flat rate of CAD $45 to downtown; Uber and Lyft are available from a separate ride-share zone.Rental car facilities are located on-site in the terminal complex. During winter, confirm road conditions before driving; Highway 20 can be slow or briefly closed during heavy snowstorms.

Montréal Climate

Continental climate with dramatic seasonal swings. Summers (June–August) are warm and humid at 24–30°C with occasional thunderstorms. Winters (December–March) are severe, with temperatures regularly dropping to −15°C or colder and heavy snowfall that causes frequent de-icing delays and occasional ground stops.

Spring (April–May) and autumn (September–October) are transitional and relatively pleasant, though spring snowstorms are not unusual. Pack serious winter gear from November through March; ice storms in early spring create particularly difficult travel conditions.

STL–YUL Quick Facts

Key statistics for the St Louis to Montréal route.
Route details
Distance968 mi / 1,558 km
Flight time2h 35m
Time difference+1 hour
Airlines (nonstop)1
Weekly flights7 out / 7 return
1-stop connections73 hubs
Origin: STL
IATA / ICAOSTL / KSTL
TimezoneAmerica/Chicago
Passengers/yr15.6M
Elevation618 ft / 188 m
Destination: YUL
IATA / ICAOYUL / CYUL
TimezoneAmerica/Montreal
Passengers/yr21.0M
Elevation118 ft / 36 m

Frequently Asked Questions

Common questions about STL to YUL flights.
Nonstop flights from St. Louis Lambert International Airport to Montreal / Pierre Elliott Trudeau International Airport take approximately 2h 35m. The route covers 968 miles.
1 airline operates nonstop service: Air Canada.
There are approximately 7 nonstop flights per week from STL to YUL. The return direction has about 7 weekly flights.
Yes, 1-stop connections are available through DPA, CMI, SDF, CLE, PIT, TEB, ICT, SYR, FRG, DAL, CVG, BED, PDK, SAV, ILM, APF, PBI, CHS, YQR, SRQ, APA, HOU, RSW, MSP, YWG, MSY, FXE, SUA, BCT, BJC, NAS, BZN, MBJ, SCF, VNY, PSP, SJU, PVR, IAD, PUJ, SJD, BUR, CMH, CUN, EWR, DTW, MIA, ATL, CLT, JFK, LGA, BOS, DCA, ORD, FRA, IAH, BNA, YYZ, LHR, DEN, PHL, TPA, FLL, DFW, MCO, LAS, RDU, AUS, PDX, PHX, SAN, SFO and LAX. These options provide additional schedule flexibility.
Montréal is 1 hour ahead of St Louis.
Yes, return flights from YUL to STL are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from STL to YUL

St. Louis Lambert International Airport (STL) and Montreal / Pierre Elliott Trudeau International Airport (YUL) are connected by nonstop service from Air Canada. With 7 weekly departures, this is a regularly served route.

STL to YUL Flight Duration and Schedule

Nonstop flight time from STL to YUL ranges from 2 hours 35 minutes. The route covers a distance of 968 miles (1,558 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.

Connecting Options and Alternatives

73 one-stop connections are available, with the fastest taking approximately 3 hours via DPA. Two-stop connections are also available via intermediate hubs.