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SFO

San Francisco International Airport

San Francisco, California 5 terminals Updated Oct. 10, 2026

SFO Gate Map: Boarding Areas A to G and the AirTrain

SFO has seven boarding areas, A to G. The letter of your gate is its boarding area: B and C are in Harvey Milk Terminal 1, D in Terminal 2, E and F in Terminal 3, and A and G in the International Terminal. All boarding areas are connected after security.

SFO gate map

Open the official SFO map

SFO gate map Map of the SFO terminals and their 114 gates. F21F22F20F19F15F10F18F17F9F8F7F13F16F6F14F11F5F12E12E10E13E11E8E9E7G13E6G10E2E3G11E5G9G8D12G6D14D11E4G7G5D15D10G4D16G2D9D8G3G1D3D7D1D4D6D5C3C5C2C7C9C4C11C6C8C10C1B1B2A1A3B3B4B5A2A4B6A5B7B8A9B10B9B11A6A7B12A10A8B13B15B16A12A15B14A11A14A13B17B19B20B18B27B26B21B25B24B23B22 Terminal 3 G A B D C E F © OpenStreetMap contributors

International AirTrain

Shapes and gate positions: © OpenStreetMap contributors (ODbL). Only the gates in the official directory are shown (checked Oct. 10, 2026). Map data license

Printable SFO gate map

SFO gate map: Boarding Area A, Boarding Area B, Boarding Area C, Boarding Area D, Boarding Area E, Boarding Area F, Boarding Area G and their 114 gates
Download the map (PNG) · Map data © OpenStreetMap contributors

Gates at SFO

Boarding AreaGatesGood to know
Boarding Area A A1–A15
15 gates

A1, A2, A3, A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, A14, A15

 International Terminal, A side, past Security Checkpoint A. The British Airways Lounge between Gates A5 and A9, the Emirates Lounge between Gates A2 and A6, several lounges near Gate A1, and Gott's Roadside near Gate A13.
Boarding Area B B1–B27
27 gates

B1, B2, B3, B4, B5, B6, B7, B8, B9, B10, B11, B12, B13, B14, B15, B16, B17, B18, B19, B20, B21, B22, B23, B24, B25, B26, B27

 Harvey Milk Terminal 1, past Checkpoint B. An Admirals Club near Gate B13, Bourbon Pub near Gate B7 and Drake's Flyaway near Gate B20.
Boarding Area C C1–C11
11 gates

C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11

 Harvey Milk Terminal 1. A Delta Sky Club near Gate C3, Perry's near Gate C1 and Farmerbrown near Gate C4.
Boarding Area D D1–D18
17 gates

D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D14, D15, D16, D17, D18

 Terminal 2, past Checkpoint D. Air Canada uses Terminal 2. The Centurion Lounge, moved to Terminal 2 during the Terminal 3 works, Lark Creek Grill near Gate D1 and Cat Cora's Kitchen near Gate D9.
Boarding Area E E2–E13
12 gates

E2, E3, E4, E5, E6, E7, E8, E9, E10, E11, E12, E13

 Terminal 3, United domestic flights. A United Club near Gate E4, Sankaku near Gate E2 and Mission Bar & Grill near Gate E5.
Boarding Area F F5–F22
18 gates

F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22

 Terminal 3, United domestic flights, past Checkpoint F1. A United Club in the rotunda of the F gates, Aletitude near Gate F13 and Farley's Cafe & Lounge near Gate F22.
Boarding Area G G1–G14
14 gates

G1, G2, G3, G4, G5, G6, G7, G8, G9, G10, G11, G12, G13, G14

 International Terminal, G side, past Security Checkpoint G. United international flights. The United Polaris Lounge near Gate G1, a United Club between Gates G6 and G9 and Mustards Bar & Grill near Gate G3.

How to get to your gate at SFO

You can use any checkpoint at any terminal with a boarding pass for the same day. After security, all boarding areas are connected, so from any checkpoint you can walk to any gate.

SFO's map of the airport gives two averages: 6 minutes between terminals on the walkways, and 3 minutes on the AirTrain. From the International Terminal, SFO suggests walking to the Terminal 1 B gates and to Terminal 3, and taking the AirTrain to Terminal 2.

The AirTrain runs 24 hours a day, outside the secure area: if you ride it between terminals, you go through security again. Its Red Line loops past all the terminals, the garages and the BART station.

Terminal 3 construction

The west side of Terminal 3 is being rebuilt. During the work, interim walkways past security link all the terminals around the site, including one by Gate E2 that ends in the Terminal 3 food court and F gates area.

The Terminal 3 AirTrain station is closed until the new facility opens in 2027. Use the Terminals 2 and 3 AirTrain Station instead. United passengers flying from the D and E gates check in at the United counters in Terminal 2, and those flying from the F gates check in at Terminal 3.

Domestic and international gates

The A and G gates are in the Dianne Feinstein International Terminal, where almost all international airlines are based. United flies its domestic flights mainly from the E and F gates in Terminal 3, and some from the D gates in Terminal 2, and its international flights from the G gates. Air Canada (Terminal 2) and Aer Lingus (Harvey Milk Terminal 1) are exceptions.

Not every flight from the A gates is international: SFO's airline list also puts Frontier there. Check your boarding pass.

Connecting from an international flight? Except for flights from Canada and Ireland, SFO sends you to the checkpoint of your next gate: Checkpoint A for the A gates, Terminal 1 for the B and C gates, International Terminal G for the F and G gates, and for the D gates either the F gates checkpoint in Terminal 3 or the AirTrain Red Line to the Terminal 2 checkpoint.

Reading the gate numbers

Each boarding area shows its first and last gate, for example D1 to D18. Not every number is used:

  • Boarding Area D has no D13.
  • Boarding Area E starts at E2, and Boarding Area F at F5.
  • The other areas run without a gap: A1 to A15, B1 to B27, C1 to C11 and G1 to G14.

Open the gate list of a boarding area to see every gate, or type your gate in the finder above. Gates can change, so check your boarding pass and the airport screens.

Questions travelers ask

How many gates does SFO have?

SFO's official terminal maps show 114 gates in seven boarding areas (checked October 10, 2026): 15 in A, 27 in B, 11 in C, 17 in D, 12 in E, 18 in F and 14 in G. SFO's interactive map starts Boarding Area B at B2.

Which terminal is my gate in at SFO?

The letter of your gate gives the boarding area. B and C gates are in Harvey Milk Terminal 1, D gates in Terminal 2, E and F gates in Terminal 3, and A and G gates in the International Terminal.

Can you walk between terminals at SFO after security?

Yes. All SFO boarding areas are connected after security. SFO puts the average walk between terminals at 6 minutes. During Terminal 3 construction, interim walkways go around the work site.

Which gates are international at SFO?

The A and G gates, in the International Terminal, where almost all international airlines are based. Air Canada uses Terminal 2 and Aer Lingus Harvey Milk Terminal 1. Frontier, a domestic airline, is also listed at the A gates, so check your boarding pass.

Which gates does United use at SFO?

United's domestic flights use mainly Terminal 3, with the E and F gates, and some D gates in Terminal 2. Its international flights use the G gates in the International Terminal. During Terminal 3 construction, check in at Terminal 2 for D and E gate flights, and at Terminal 3 for F gate flights.

More at SFO

ParkingOfficial lots, cheaper off-site options and where to wait for pickups. HotelsHotels at and near the airport, shuttles and sleeping in the terminal. To the cityTrains, buses, taxis, rideshare and private transfers. LoungesWhich lounge is in your terminal and how to get in without status. SecurityWait times by terminal, fast lanes and what to have ready. FoodBest bites terminal by terminal, before or after security. Lost and foundWho to contact: your airline, the terminal or the airport. Car rentalWhere the rental counters are and how to reach them. WifiHow to connect, charging spots and an eSIM if you land abroad.

Sources and last check

Checked by our team on Oct. 10, 2026 against these official sources: