Flights from Saint Louis (STL) to Montreal (YUL) with Star Alliance

Start your journey with just one click

Airline

1/10

Saint Louis

toMontreal

STL-YUL

July 8, 2025

July 12, 2025

Sold byUnited Airlines

From

800USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

2/10

Saint Louis

toMontreal

STL-YUL

July 9, 2025

July 12, 2025

Sold byUnited Airlines

From

800USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

3/10

Saint Louis

toMontreal

STL-YUL

July 9, 2025

July 12, 2025

Sold byUnited Airlines

From

854USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

4/10

Saint Louis

toMontreal

STL-YUL

July 8, 2025

July 12, 2025

Sold byUnited Airlines

From

854USD Price subject to changes

Viewed:2 hours ago

Roundtrip

Economy

*Prices have been offered for round trips within the last 48 hours and might not be currently available. Not all Star Alliance Member Airlines or all fares/options are shown. Additional baggage fees, payment fees and fees for other optional services may apply. When booking, please check for restrictions on refunds, rebooking and baggage allowance that may apply. Prices may vary depending on the route and flights selected. Routings may include stopovers. Terms and conditions apply.

Weather in Montreal

Saturday

light snow

29/03/2025

-4°C

29/03/2025

light snow

Sunday

rain and snow

30/03/2025

-2°C

30/03/2025

rain and snow

Monday

moderate rain

31/03/2025

6°C

31/03/2025

moderate rain

Tuesday

sky is clear

01/04/2025

-2°C

01/04/2025

sky is clear

Wednesday

light snow

02/04/2025

-4°C

02/04/2025

light snow

Thursday

rain and snow

03/04/2025

5°C

03/04/2025

rain and snow

Friday

scattered clouds

04/04/2025

5°C

04/04/2025

scattered clouds

Flight schedules from Saint Louis to Montreal with Star Alliance member carriers

Please note that the flight schedules of our member carriers are subject to change on short notice. We recommend using our member airlines information page. for the latest flight updates, details on booking flexibility, as well as specific Frequent Flyer Program information.

Outbound (13)

Sort by

Saint Louis US
STL13:05
4h 42m
1 Stop
Montreal CA
YUL18:47
Saint Louis - Montreal
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 5721
  Saint Louis. US
  STL 13:05
  1h 32m
  259 Miles
  Chicago. US
  ORD 14:37
  Canadair (Bombardier) Regional Jet 700 and Challenger 870
  Operated by United Airlines
2. Flight 2Air Canada AC 8962
  Chicago. US
  ORD 15:35
  2h 12m
  750 Miles
  Montreal. CA
  YUL 18:47
  Embraer 175
  Operated by Air Canada
Saint Louis US
STL15:25
4h 52m
1 Stop
Montreal CA
YUL21:17
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4464
  Saint Louis. US
  STL 15:25
  1h 25m
  259 Miles
  Chicago. US
  ORD 16:50
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 3634
  Chicago. US
  ORD 17:58
  2h 19m
  750 Miles
  Montreal. CA
  YUL 21:17
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL11:05
5h 14m
1 Stop
Montreal CA
YUL17:19
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4383
  Saint Louis. US
  STL 11:05
  1h 37m
  259 Miles
  Chicago. US
  ORD 12:42
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 3448
  Chicago. US
  ORD 14:00
  2h 19m
  750 Miles
  Montreal. CA
  YUL 17:19
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL08:00
5h 47m
1 Stop
Montreal CA
YUL14:47
Saint Louis - Montreal
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4183
  Saint Louis. US
  STL 08:00
  1h 36m
  259 Miles
  Chicago. US
  ORD 09:36
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2Air Canada AC 8960
  Chicago. US
  ORD 11:35
  2h 12m
  750 Miles
  Montreal. CA
  YUL 14:47
  Embraer 175
  Operated by Air Canada
Saint Louis US
STL13:00
5h 48m
1 Stop
Montreal CA
YUL19:48
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4454
  Saint Louis. US
  STL 13:00
  2h 9m
  698 Miles
  Washington. US
  IAD 16:09
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 3602
  Washington. US
  IAD 17:52
  1h 56m
  491 Miles
  Montreal. CA
  YUL 19:48
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL15:50
6h 3m
1 Stop
Montreal CA
YUL22:53
Saint Louis - Montreal
Air Canada
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Air Canada AC 8970
  Saint Louis. US
  STL 15:50
  1h 55m
  656 Miles
  Toronto. CA
  YYZ 18:45
  Canadair (Bombardier) Regional Jet 900 and Challenger 890
  Operated by Air Canada
2. Flight 2Air Canada AC 428
  Toronto. CA
  YYZ 21:30
  1h 23m
  316 Miles
  Montreal. CA
  YUL 22:53
  Boeing 777-300ER Passenger
  Operated by Air Canada
Saint Louis US
STL10:03
6h 16m
1 Stop
Montreal CA
YUL17:19
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4432
  Saint Louis. US
  STL 10:03
  1h 36m
  259 Miles
  Chicago. US
  ORD 11:39
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2United Airlines UA 3448
  Chicago. US
  ORD 14:00
  2h 19m
  750 Miles
  Montreal. CA
  YUL 17:19
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL11:05
6h 42m
1 Stop
Montreal CA
YUL18:47
Saint Louis - Montreal
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4383
  Saint Louis. US
  STL 11:05
  1h 37m
  259 Miles
  Chicago. US
  ORD 12:42
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2Air Canada AC 8962
  Chicago. US
  ORD 15:35
  2h 12m
  750 Miles
  Montreal. CA
  YUL 18:47
  Embraer 175
  Operated by Air Canada
Saint Louis US
STL15:50
6h 58m
1 Stop
Montreal CA
YUL23:48
Saint Louis - Montreal
Air Canada
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Air Canada AC 8970
  Saint Louis. US
  STL 15:50
  1h 55m
  656 Miles
  Toronto. CA
  YYZ 18:45
  Canadair (Bombardier) Regional Jet 900 and Challenger 890
  Operated by Air Canada
2. Flight 2Air Canada AC 430
  Toronto. CA
  YYZ 22:30
  1h 18m
  316 Miles
  Montreal. CA
  YUL 23:48
  Airbus A220-300 Passenger
  Operated by Air Canada
Saint Louis US
STL13:05
7h 12m
1 Stop
Montreal CA
YUL21:17
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 5721
  Saint Louis. US
  STL 13:05
  1h 32m
  259 Miles
  Chicago. US
  ORD 14:37
  Canadair (Bombardier) Regional Jet 700 and Challenger 870
  Operated by United Airlines
2. Flight 2United Airlines UA 3634
  Chicago. US
  ORD 17:58
  2h 19m
  750 Miles
  Montreal. CA
  YUL 21:17
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL06:30
7h 17m
1 Stop
Montreal CA
YUL14:47
Saint Louis - Montreal
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4428
  Saint Louis. US
  STL 06:30
  1h 31m
  259 Miles
  Chicago. US
  ORD 08:01
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2Air Canada AC 8960
  Chicago. US
  ORD 11:35
  2h 12m
  750 Miles
  Montreal. CA
  YUL 14:47
  Embraer 175
  Operated by Air Canada
Saint Louis US
STL07:30
7h 28m
1 Stop
Montreal CA
YUL15:58
Saint Louis - Montreal
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 3425
  Saint Louis. US
  STL 07:30
  2h 30m
  874 Miles
  New York. US
  EWR 11:00
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2United Airlines UA 3715
  New York. US
  EWR 14:24
  1h 34m
  332 Miles
  Montreal. CA
  YUL 15:58
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Saint Louis US
STL10:03
7h 44m
1 Stop
Montreal CA
YUL18:47
Saint Louis - Montreal
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 4432
  Saint Louis. US
  STL 10:03
  1h 36m
  259 Miles
  Chicago. US
  ORD 11:39
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
2. Flight 2Air Canada AC 8962
  Chicago. US
  ORD 15:35
  2h 12m
  750 Miles
  Montreal. CA
  YUL 18:47
  Embraer 175
  Operated by Air Canada