All airlines flying from Saint Louis (STL) to Boston Logan (BOS).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 14:20 Saint Louis (STL) 2 17:55 Boston Logan (BOS) B Southwest Airlines WN 3733 Non-stop Boeing 737-700 (73W) 2:35 Valid until 2025-06-02
Mon,Thu,Fri 07:50 Saint Louis (STL) 2 11:30 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737-800 (73H) 2:40 Effective 2025-08-07 through 2025-09-29
Sun 08:00 Saint Louis (STL) 2 11:40 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-10 through 2025-08-24
Sun 08:00 Saint Louis (STL) 2 11:40 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-09-07 through 2025-09-28
Sun 10:00 Saint Louis (STL) 2 13:35 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737-800 (73H) 2:35 Operates only on 2025-08-31
Sat 10:50 Saint Louis (STL) 2 14:25 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-08-09 through 2025-09-27
Tue,Wed 12:35 Saint Louis (STL) 2 16:10 Boston Logan (BOS) B Southwest Airlines WN 3812 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-08-05 through 2025-10-01
Sat 12:55 Saint Louis (STL) 1 16:38 Boston Logan (BOS) B American Airlines AA 3822 Non-stop Embraer EMB 175 (E75) 2:43 Valid until 2025-05-03
Mon-Fri,Sun 14:19 Saint Louis (STL) 1 18:02 Boston Logan (BOS) B American Airlines AA 3822 Non-stop Embraer EMB 175 (E75) 2:43 Valid until 2025-05-04
Daily 14:20 Saint Louis (STL) 1 18:04 Boston Logan (BOS) B American Airlines AA 3822 Non-stop Embraer EMB 175 (E75) 2:44 Effective 2025-05-05 through 2025-06-04
Sat 18:45 Saint Louis (STL) 2 22:15 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737-700 (73W) 2:30 Valid until 2025-05-31
Tue,Wed 19:00 Saint Louis (STL) 2 22:30 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Valid until 2025-06-04
Sun 19:00 Saint Louis (STL) 2 22:30 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737-700 (73W) 2:30 Operates only on 2025-05-25
Mon,Thu,Fri 19:40 Saint Louis (STL) 2 23:15 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737-700 (73W) 2:35 Valid until 2025-06-02
Sun 20:40 Saint Louis (STL) 2 00:10 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737-800 (73H) 2:30 Valid until 2025-05-18 The flight arrives 1 day after departure.
Sun 20:40 Saint Louis (STL) 2 00:10 Boston Logan (BOS) B Southwest Airlines WN 3855 Non-stop Boeing 737-800 (73H) 2:30 Operates only on 2025-06-01 The flight arrives 1 day after departure.
Daily 18:51 Saint Louis (STL) 1 22:24 Boston Logan (BOS) B American Airlines AA 3991 Non-stop Embraer EMB 175 (E75) 2:33 Effective 2025-10-26 through 2025-11-01
Mon-Fri,Sun 09:12 Saint Louis (STL) 1 12:55 Boston Logan (BOS) B American Airlines AA 4367 Non-stop Embraer EMB 175 (E75) 2:43 Valid until 2025-05-04
Tue,Wed 08:15 Saint Louis (STL) 2 11:50 Boston Logan (BOS) B Southwest Airlines WN 4409 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-07 through 2025-10-29
Sat 13:20 Saint Louis (STL) 2 16:55 Boston Logan (BOS) B Southwest Airlines WN 4409 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-04 through 2025-11-01
Sun 14:35 Saint Louis (STL) 2 18:10 Boston Logan (BOS) B Southwest Airlines WN 4409 Non-stop Boeing 737-700 (Scimitar Winglets) 2:35 Effective 2025-10-05 through 2025-10-26
Mon,Thu,Fri 15:00 Saint Louis (STL) 2 18:35 Boston Logan (BOS) B Southwest Airlines WN 4409 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Effective 2025-10-02 through 2025-10-31
Mon,Thu,Fri 07:45 Saint Louis (STL) 2 11:20 Boston Logan (BOS) B Southwest Airlines WN 4420 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-02 through 2025-10-31
Sun 08:00 Saint Louis (STL) 2 11:35 Boston Logan (BOS) B Southwest Airlines WN 4420 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-05 through 2025-10-26
Sat 10:55 Saint Louis (STL) 2 14:30 Boston Logan (BOS) B Southwest Airlines WN 4420 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-10-04 through 2025-11-01
Tue,Wed 18:40 Saint Louis (STL) 2 22:10 Boston Logan (BOS) B Southwest Airlines WN 4420 Non-stop Boeing 737 MAX 8 (7M8) 2:30 Effective 2025-10-07 through 2025-10-29
Daily 09:20 Saint Louis (STL) 1 12:55 Boston Logan (BOS) B American Airlines AA 4493 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2025-11-02 through 2025-12-02
Daily 09:25 Saint Louis (STL) 1 13:03 Boston Logan (BOS) B American Airlines AA 4493 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-12-03 through 2025-12-17
Daily 09:25 Saint Louis (STL) 1 13:05 Boston Logan (BOS) B American Airlines AA 4493 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2025-12-18 through 2026-02-11
Daily 09:25 Saint Louis (STL) 1 13:01 Boston Logan (BOS) B American Airlines AA 4493 Non-stop Embraer EMB 175 (E75) 2:36 Effective from 2026-02-12
Mon,Thu,Fri 14:15 Saint Louis (STL) 2 17:55 Boston Logan (BOS) B Southwest Airlines WN 4529 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-08-07 through 2025-09-29
Tue,Wed 07:30 Saint Louis (STL) 2 11:05 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-06-10 through 2025-07-30
Fri 11:10 Saint Louis (STL) 2 14:45 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737 MAX 8 (7M8) 2:35 Operates only on 2025-07-04
Mon,Thu,Fri 14:25 Saint Louis (STL) 2 18:00 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 14:25 Saint Louis (STL) 2 18:00 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-07-07 through 2025-08-04
Sat 15:10 Saint Louis (STL) 2 18:45 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737-800 (73H) 2:35 Effective 2025-06-07 through 2025-08-02
Sun 15:10 Saint Louis (STL) 2 18:45 Boston Logan (BOS) B Southwest Airlines WN 4607 Non-stop Boeing 737-700 (73W) 2:35 Effective 2025-06-08 through 2025-08-03
Sun 12:20 Saint Louis (STL) 2 15:50 Boston Logan (BOS) B Southwest Airlines WN 4721 Non-stop Boeing 737-700 (Scimitar Winglets) 2:30 Operates only on 2025-11-30
Mon-Fri,Sun 09:10 Saint Louis (STL) 1 12:54 Boston Logan (BOS) B American Airlines AA 4788 Non-stop Embraer EMB 175 (E75) 2:44 Effective 2025-05-05 through 2025-06-04
Non-Direct Flights:
Tue,Wed 17:45 Saint Louis (STL) 2 22:45 Boston Logan (BOS) B Southwest Airlines WN 937 1-stop Boeing 737-800 (73H) 4:00 Effective 2025-06-10 through 2025-07-30
Mon,Thu,Fri 09:50 Saint Louis (STL) 2 15:00 Boston Logan (BOS) B Southwest Airlines WN 4125 1-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2025-10-02 through 2025-10-31
Sun 08:00 Saint Louis (STL) 2 14:30 Boston Logan (BOS) B Southwest Airlines WN 1864 2-stop Boeing 737-700 (73W) 5:30 Effective 2025-06-08 through 2025-08-03
Sun 08:00 Saint Louis (STL) 2 15:05 Boston Logan (BOS) B Southwest Airlines WN 2647 2-stop Boeing 737-700 (Scimitar Winglets) 6:05 Effective 2025-10-05 through 2025-10-26
Direct Codeshare Flights:
Daily 11:46 Saint Louis (STL) 1 15:19 Boston Logan (BOS) B Qatar Airways QR 2376 Non-stop Embraer EMB 175 (E75) 2:33 Effective 2025-10-26 through 2025-11-01 Codeshare flight, operated by American Airlines.(AA 3416)
Daily 14:00 Saint Louis (STL) 1 17:34 Boston Logan (BOS) B Qatar Airways QR 2376 Non-stop Embraer EMB 175 (E75) 2:34 Effective 2025-12-18 through 2026-01-05 Codeshare flight, operated by American Airlines.(AA 3416)
Sun 09:12 Saint Louis (STL) 1 12:55 Boston Logan (BOS) B Qatar Airways QR 2486 Non-stop Embraer EMB 175 (E75) 2:43 Operates only on 2025-05-04 Codeshare flight, operated by American Airlines.(AA 4367)
Daily 09:20 Saint Louis (STL) 1 12:55 Boston Logan (BOS) B Qatar Airways QR 2873 Non-stop Embraer EMB 175 (E75) 2:35 Effective 2025-11-02 through 2025-12-02 Codeshare flight, operated by American Airlines.(AA 4493)
Daily 09:25 Saint Louis (STL) 1 13:03 Boston Logan (BOS) B Qatar Airways QR 2873 Non-stop Embraer EMB 175 (E75) 2:38 Effective 2025-12-03 through 2025-12-17 Codeshare flight, operated by American Airlines.(AA 4493)
Daily 09:25 Saint Louis (STL) 1 13:05 Boston Logan (BOS) B Qatar Airways QR 2873 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2025-12-18 through 2026-02-11 Codeshare flight, operated by American Airlines.(AA 4493)
Daily 09:25 Saint Louis (STL) 1 13:01 Boston Logan (BOS) B Qatar Airways QR 2873 Non-stop Embraer EMB 175 (E75) 2:36 Effective from 2026-02-12 Codeshare flight, operated by American Airlines.(AA 4493)

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Parallax here STL-BOS

1 2 3 4

A domestic route departing from the Saint Louis airport (STL) and arriving at Boston Logan airport (BOS).
The flight distance is 1043 miles, or 1679 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:30 and 2:44.

Return (BOS-STL) flights

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All airlines flying from Saint Louis (STL) to Boston Logan (BOS).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3733

14:20

Saint Louis (STL) 2

17:55

Boston Logan (BOS) B

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3812

07:50

Saint Louis (STL) 2

11:30

Boston Logan (BOS) B

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3812

08:00

Saint Louis (STL) 2

11:40

Boston Logan (BOS) B

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3812

08:00

Saint Louis (STL) 2

11:40

Boston Logan (BOS) B

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3812

10:00

Saint Louis (STL) 2

13:35

Boston Logan (BOS) B

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3812

10:50

Saint Louis (STL) 2

14:25

Boston Logan (BOS) B

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3812

12:35

Saint Louis (STL) 2

16:10

Boston Logan (BOS) B

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-700 (73W)

American Airlines AA3822

12:55

Saint Louis (STL) 1

16:38

Boston Logan (BOS) B

Valid until 2025-05-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:43, non-stop
Embraer EMB 175 (E75)

American Airlines AA3822

14:19

Saint Louis (STL) 1

18:02

Boston Logan (BOS) B

Valid until 2025-05-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:43, non-stop
Embraer EMB 175 (E75)

American Airlines AA3822

14:20

Saint Louis (STL) 1

18:04

Boston Logan (BOS) B

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:44, non-stop
Embraer EMB 175 (E75)

Southwest Airlines WN3855

18:45

Saint Louis (STL) 2

22:15

Boston Logan (BOS) B

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3855

19:00

Saint Louis (STL) 2

22:30

Boston Logan (BOS) B

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3855

19:00

Saint Louis (STL) 2

22:30

Boston Logan (BOS) B

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3855

19:40

Saint Louis (STL) 2

23:15

Boston Logan (BOS) B

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3855

20:40

Saint Louis (STL) 2

00:10(+1)

Boston Logan (BOS) B

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Southwest Airlines WN3855

20:40

Saint Louis (STL) 2

00:10(+1)

Boston Logan (BOS) B

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

American Airlines AA3991

18:51

Saint Louis (STL) 1

22:24

Boston Logan (BOS) B

Effective 2025-10-26 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:33, non-stop
Embraer EMB 175 (E75)

American Airlines AA4367

09:12

Saint Louis (STL) 1

12:55

Boston Logan (BOS) B

Valid until 2025-05-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:43, non-stop
Embraer EMB 175 (E75)

Southwest Airlines WN4409

08:15

Saint Louis (STL) 2

11:50

Boston Logan (BOS) B

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4409

13:20

Saint Louis (STL) 2

16:55

Boston Logan (BOS) B

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4409

14:35

Saint Louis (STL) 2

18:10

Boston Logan (BOS) B

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN4409

15:00

Saint Louis (STL) 2

18:35

Boston Logan (BOS) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4420

07:45

Saint Louis (STL) 2

11:20

Boston Logan (BOS) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4420

08:00

Saint Louis (STL) 2

11:35

Boston Logan (BOS) B

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4420

10:55

Saint Louis (STL) 2

14:30

Boston Logan (BOS) B

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4420

18:40

Saint Louis (STL) 2

22:10

Boston Logan (BOS) B

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:30, non-stop
Boeing 737 MAX 8 (7M8)

American Airlines AA4493

09:20

Saint Louis (STL) 1

12:55

Boston Logan (BOS) B

Effective 2025-11-02 through 2025-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:35, non-stop
Embraer EMB 175 (E75)

American Airlines AA4493

09:25

Saint Louis (STL) 1

13:03

Boston Logan (BOS) B

Effective 2025-12-03 through 2025-12-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:38, non-stop
Embraer EMB 175 (E75)

American Airlines AA4493

09:25

Saint Louis (STL) 1

13:05

Boston Logan (BOS) B

Effective 2025-12-18 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:40, non-stop
Embraer EMB 175 (E75)

American Airlines AA4493

09:25

Saint Louis (STL) 1

13:01

Boston Logan (BOS) B

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:36, non-stop
Embraer EMB 175 (E75)

Southwest Airlines WN4529

14:15

Saint Louis (STL) 2

17:55

Boston Logan (BOS) B

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4607

07:30

Saint Louis (STL) 2

11:05

Boston Logan (BOS) B

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4607

11:10

Saint Louis (STL) 2

14:45

Boston Logan (BOS) B

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN4607

14:25

Saint Louis (STL) 2

18:00

Boston Logan (BOS) B

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4607

14:25

Saint Louis (STL) 2

18:00

Boston Logan (BOS) B

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4607

15:10

Saint Louis (STL) 2

18:45

Boston Logan (BOS) B

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:35, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4607

15:10

Saint Louis (STL) 2

18:45

Boston Logan (BOS) B

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:35, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4721

12:20

Saint Louis (STL) 2

15:50

Boston Logan (BOS) B

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:30, non-stop
Boeing 737-700 (Scimitar Winglets)

American Airlines AA4788

09:10

Saint Louis (STL) 1

12:54

Boston Logan (BOS) B

Effective 2025-05-05 through 2025-06-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:44, non-stop
Embraer EMB 175 (E75)

Non-Direct Flights:

Southwest Airlines WN937

17:45

Saint Louis (STL) 2

22:45

Boston Logan (BOS) B

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN4125

09:50

Saint Louis (STL) 2

15:00

Boston Logan (BOS) B

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:10, 1-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1864

08:00

Saint Louis (STL) 2

14:30

Boston Logan (BOS) B

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 5:30, 2-stop
Boeing 737-700 (73W)

Southwest Airlines WN2647

08:00

Saint Louis (STL) 2

15:05

Boston Logan (BOS) B

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:05, 2-stop
Boeing 737-700 (Scimitar Winglets)

Direct Codeshare Flights:

Qatar Airways QR2376

11:46

Saint Louis (STL) 1

15:19

Boston Logan (BOS) B

Effective 2025-10-26 through 2025-11-01

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3416)

Duration: 2:33, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2376

14:00

Saint Louis (STL) 1

17:34

Boston Logan (BOS) B

Effective 2025-12-18 through 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 3416)

Duration: 2:34, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2486

09:12

Saint Louis (STL) 1

12:55

Boston Logan (BOS) B

Operates only on 2025-05-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Codeshare flight, operated by American Airlines. (AA 4367)

Duration: 2:43, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2873

09:20

Saint Louis (STL) 1

12:55

Boston Logan (BOS) B

Effective 2025-11-02 through 2025-12-02

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4493)

Duration: 2:35, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2873

09:25

Saint Louis (STL) 1

13:03

Boston Logan (BOS) B

Effective 2025-12-03 through 2025-12-17

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4493)

Duration: 2:38, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2873

09:25

Saint Louis (STL) 1

13:05

Boston Logan (BOS) B

Effective 2025-12-18 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4493)

Duration: 2:40, non-stop
Embraer EMB 175 (E75)

Qatar Airways QR2873

09:25

Saint Louis (STL) 1

13:01

Boston Logan (BOS) B

Effective from 2026-02-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Codeshare flight, operated by American Airlines. (AA 4493)

Duration: 2:36, non-stop
Embraer EMB 175 (E75)

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A domestic route departing from the Saint Louis airport (STL) and arriving at Boston Logan airport (BOS).
The flight distance is 1043 miles, or 1679 km.
The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
For direct flights, the flight time varies between 2:30 and 2:44.

Return (BOS-STL) flights

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