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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 06:30 Boston Logan (BOS) B 08:40 Saint Louis (STL) 1
Iberia IB 4028 Non-stop Embraer EMB 175 (E75) 3:10 Effective 2025-05-11 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 4788)
Daily 06:00 Boston Logan (BOS) B 08:26 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:26 Effective 2025-10-06 through 2025-10-25
Codeshare flight, operated by American Airlines.(AA 3381)
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 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3381)
Daily 07:00 Boston Logan (BOS) B 09:04 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:04 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3381)
Fri 07:08 Boston Logan (BOS) B 09:21 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:13 Operates only on 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3381)
Mon-Fri,Sun 07:15 Boston Logan (BOS) B 09:31 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:16 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3381)
Mon-Fri,Sun 07:15 Boston Logan (BOS) B 09:29 Saint Louis (STL) 1
Iberia IB 4126 Non-stop Embraer EMB 175 (E75) 3:14 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 3381)
Mon,Tue,Thu,Sat,Sun 06:00 Boston Logan (BOS) B 08:26 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:26 Effective 2025-10-26 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3563)
Mon,Tue,Thu,Sat,Sun 06:25 Boston Logan (BOS) B 08:43 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:18 Effective 2025-11-02 through 2025-12-16
Codeshare flight, operated by American Airlines.(AA 4500)
Mon,Tue,Thu-Sun 06:25 Boston Logan (BOS) B 08:42 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:17 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 4500)
Mon,Tue,Thu-Sun 06:30 Boston Logan (BOS) B 08:54 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:24 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 08:54 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:24 Effective 2026-01-22 through 2026-02-09
Codeshare flight, operated by American Airlines.(AA 4500)
Mon-Thu,Sat,Sun 06:30 Boston Logan (BOS) B 08:47 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:17 Effective 2026-02-12 through 2026-02-19
Codeshare flight, operated by American Airlines.(AA 4500)
Daily 06:30 Boston Logan (BOS) B 08:47 Saint Louis (STL) 1
Iberia IB 4381 Non-stop Embraer EMB 175 (E75) 3:17 Effective from 2026-02-20
Codeshare flight, operated by American Airlines.(AA 4500)


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

Effective 2025-05-11 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4788)
Duration: 3:10, non-stop
Embraer EMB 175 (E75)

Effective 2025-10-06 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:26, non-stop
Embraer EMB 175 (E75)

Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)

Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:04, non-stop
Embraer EMB 175 (E75)

Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:13, non-stop
Embraer EMB 175 (E75)

Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:16, non-stop
Embraer EMB 175 (E75)

Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3381)
Duration: 3:14, non-stop
Embraer EMB 175 (E75)

Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3563)
Duration: 3:26, non-stop
Embraer EMB 175 (E75)

Effective 2025-11-02 through 2025-12-16
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:18, non-stop
Embraer EMB 175 (E75)

Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:17, non-stop
Embraer EMB 175 (E75)

Effective 2026-01-06 through 2026-01-19
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:24, non-stop
Embraer EMB 175 (E75)

Effective 2026-01-22 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:24, non-stop
Embraer EMB 175 (E75)

Effective 2026-02-12 through 2026-02-19
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:17, non-stop
Embraer EMB 175 (E75)

Effective from 2026-02-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4500)
Duration: 3:17, 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 3:04 and 3:26.