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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:30 Boston Logan (BOS) B 08:42 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 4518)
Daily 07:00 Boston Logan (BOS) B 09:14 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3615)
Daily 07:00 Boston Logan (BOS) B 09:16 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:16 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 3546)
Daily 07:15 Boston Logan (BOS) B 09:31 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:16 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3814)
Daily 07:15 Boston Logan (BOS) B 09:29 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 3827)
Mon,Tue,Thu-Sun 06:30 Boston Logan (BOS) B 09:03 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:33 Effective 2026-01-06 through 2026-01-19
Codeshare flight, operated by American Airlines.(AA 4500)
Mon,Thu,Sat 06:30 Boston Logan (BOS) B 09:03 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:33 Effective 2026-01-22 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 4500)
Mon,Tue,Fri-Sun 07:00 Boston Logan (BOS) B 09:31 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:31 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4500)
Daily 06:50 Boston Logan (BOS) B 09:04 Saint Louis (STL) 1
Iberia IB 8200 Non-stop Embraer EMB 175 (E75) 3:14 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3563)




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Iberia flights from Boston Logan (BOS) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4126
06:30
Boston Logan (BOS) B

08:42
Saint Louis (STL) 1
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4518)
Duration: 3:12, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4126
07:00
Boston Logan (BOS) B

09:14
Saint Louis (STL) 1
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3615)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4126
07:00
Boston Logan (BOS) B

09:16
Saint Louis (STL) 1
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3546)
Duration: 3:16, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4126
07:15
Boston Logan (BOS) B

09:31
Saint Louis (STL) 1
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3814)
Duration: 3:16, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4126
07:15
Boston Logan (BOS) B

09:29
Saint Louis (STL) 1
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3827)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
06:30
Boston Logan (BOS) B

09:03
Saint Louis (STL) 1
Effective 2026-01-06 through 2026-01-19
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:33, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
06:30
Boston Logan (BOS) B

09:03
Saint Louis (STL) 1
Effective 2026-01-22 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:33, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4381
07:00
Boston Logan (BOS) B

09:31
Saint Louis (STL) 1
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:31, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB8200
06:50
Boston Logan (BOS) B

09:04
Saint Louis (STL) 1
Effective from 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3563)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Saint Louis airport (STL).
  • The flight distance is 1043 miles, or 1679 km.
  • The timezone of the departure airport is UTC-5 , and the timezone of the arrival airport is UTC-6 . 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 3:12 and 3:33.
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