Tan Son Nhat Airport — Inter-terminal transfers
Tan Son Nhat runs both landside and airside shuttle services so passengers can move between its three terminals. Terminals 1 and 2 are adjacent to each other; Terminal 3 lies at a greater distance and is reached by shuttle.

Landside shuttle (all passengers)
- Frequency — free shuttle bus every 15 minutes, from 04:30 to 00:30, between all three terminals.
- Terminal 1 — pillars B17–B20, Lane B.
- Terminal 2 — pillars B15–B16, Lane B.
- Terminal 3 — pillars A17–A20, Level 1.
Airside shuttle (transit passengers)
- Runs from Terminal 3 to Gate A2 in Terminal 1 every 20 minutes, from 07:00 to 03:00.
- From Gate A2 you can continue to the domestic departure gates inside Terminal 1 or walk straight to Terminal 2 for international departures — Terminals 1 and 2 are connected airside.
- There is no return airside service from Terminal 1 or 2 to Terminal 3: passengers arriving at those terminals must go landside to reach Terminal 3.
On foot
Terminals 1 and 2 stand side by side and can be walked between landside; Terminal 3 is reached with the free shuttle. Public buses 109 and 152, shuttle bus 49 and the bus station in front of Terminal 2 connect the airport with the city centre.
