Iberia flights from Saint Louis (STL) to Boston Logan (BOS).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Sat 11:50 Saint Louis (STL) 1 15:30 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-03-14 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4031)
Mon-Fri,Sun 11:59 Saint Louis (STL) 1 15:40 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:41 Effective 2026-03-08 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 4415)
Sat 12:00 Saint Louis (STL) 1 15:37 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2026-02-21 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 3416)
Mon,Wed-Fri,Sun 14:50 Saint Louis (STL) 1 18:29 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:39 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3416)
Mon,Wed-Fri,Sun 14:54 Saint Louis (STL) 1 18:31 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2026-01-07 through 2026-01-18
Codeshare flight, operated by American Airlines.(AA 3416)
Wed,Fri,Sun 14:54 Saint Louis (STL) 1 18:31 Boston Logan (BOS) B
Iberia IB 4603 Non-stop Embraer EMB 175 (E75) 2:37 Effective 2026-01-21 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 3416)
Mon,Tue,Fri,Sat 10:01 Saint Louis (STL) 1 13:43 Boston Logan (BOS) B
Iberia IB 4924 Non-stop Embraer EMB 175 (E75) 2:42 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4493)
Mon-Fri,Sun 11:34 Saint Louis (STL) 1 15:13 Boston Logan (BOS) B
Iberia IB 4924 Non-stop Embraer EMB 175 (E75) 2:39 Effective 2026-02-12 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4493)
Sat 12:06 Saint Louis (STL) 1 15:45 Boston Logan (BOS) B
Iberia IB 4924 Non-stop Embraer EMB 175 (E75) 2:39 Effective 2026-01-10 through 2026-01-17
Codeshare flight, operated by American Airlines.(AA 4493)
Daily 14:19 Saint Louis (STL) 1 18:02 Boston Logan (BOS) B
Iberia IB 4924 Non-stop Embraer EMB 175 (E75) 2:43 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3822)
Daily 09:35 Saint Louis (STL) 1 13:12 Boston Logan (BOS) B
Iberia IB 4933 Non-stop Embraer EMB 175 (E75) 2:37 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3563)
Daily 09:45 Saint Louis (STL) 1 13:25 Boston Logan (BOS) B
Iberia IB 4933 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3615)
Daily 09:46 Saint Louis (STL) 1 13:26 Boston Logan (BOS) B
Iberia IB 4933 Non-stop Embraer EMB 175 (E75) 2:40 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3546)
Daily 10:00 Saint Louis (STL) 1 13:43 Boston Logan (BOS) B
Iberia IB 4933 Non-stop Embraer EMB 175 (E75) 2:43 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3827)
Daily 10:01 Saint Louis (STL) 1 13:42 Boston Logan (BOS) B
Iberia IB 4933 Non-stop Embraer EMB 175 (E75) 2:41 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3814)
Mon,Wed-Sun 09:15 Saint Louis (STL) 1 12:58 Boston Logan (BOS) B
Iberia IB 8177 Non-stop Embraer EMB 175 (E75) 2:43 Effective 2026-04-08 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 4518)




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Iberia flights from Saint Louis (STL) to Boston Logan (BOS).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4603
11:50
Saint Louis (STL) 1

15:30
Boston Logan (BOS) B
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4031)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4603
11:59
Saint Louis (STL) 1

15:40
Boston Logan (BOS) B
Effective 2026-03-08 through 2026-04-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4415)
Duration: 2:41, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4603
12:00
Saint Louis (STL) 1

15:37
Boston Logan (BOS) B
Effective 2026-02-21 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3416)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4603
14:50
Saint Louis (STL) 1

18:29
Boston Logan (BOS) B
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3416)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4603
14:54
Saint Louis (STL) 1

18:31
Boston Logan (BOS) B
Effective 2026-01-07 through 2026-01-18
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3416)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4603
14:54
Saint Louis (STL) 1

18:31
Boston Logan (BOS) B
Effective 2026-01-21 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3416)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4924
10:01
Saint Louis (STL) 1

13:43
Boston Logan (BOS) B
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4493)
Duration: 2:42, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4924
11:34
Saint Louis (STL) 1

15:13
Boston Logan (BOS) B
Effective 2026-02-12 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4493)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4924
12:06
Saint Louis (STL) 1

15:45
Boston Logan (BOS) B
Effective 2026-01-10 through 2026-01-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4493)
Duration: 2:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4924
14:19
Saint Louis (STL) 1

18:02
Boston Logan (BOS) B
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3822)
Duration: 2:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4933
09:35
Saint Louis (STL) 1

13:12
Boston Logan (BOS) B
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3563)
Duration: 2:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4933
09:45
Saint Louis (STL) 1

13:25
Boston Logan (BOS) B
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3615)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4933
09:46
Saint Louis (STL) 1

13:26
Boston Logan (BOS) B
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3546)
Duration: 2:40, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4933
10:00
Saint Louis (STL) 1

13:43
Boston Logan (BOS) B
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3827)
Duration: 2:43, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4933
10:01
Saint Louis (STL) 1

13:42
Boston Logan (BOS) B
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3814)
Duration: 2:41, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8177
09:15
Saint Louis (STL) 1

12:58
Boston Logan (BOS) B
Effective 2026-04-08 through 2026-05-20
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4518)
Duration: 2:43, non-stop
Embraer EMB 175 (E75)
  • 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 2:37 and 2:43.
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