What Terminal Is Sun Country at SFO?

Sun Country Airlines operates from Harvey Milk Terminal 1 at San Francisco International Airport, also known as SFO. Passengers flying with Sun Country should visit Terminal 1 for check-in and follow airport signs to the correct security checkpoint and departure gate.

Whether you are travelling from San Francisco or meeting an arriving passenger, confirming the terminal and flight information ahead of time can help you avoid last-minute confusion.

Sun Country Airlines Terminal at San Francisco International Airport

SFO has multiple passenger terminals, and knowing the correct location helps travellers plan their airport journey. Sun Country uses Harvey Milk Terminal 1 for its SFO operations.

Airport Information	Details
Airline	Sun Country Airlines
Airport Name	San Francisco International Airport
Airport Code	SFO
Operating Terminal	Harvey Milk Terminal 1
Check-In Level	Level 3
Departures	Terminal 1
Arrivals	Terminal 1; verify live flight information
Airline Code	SY
Airport Location	San Francisco, California, USA

How to Navigate Sun Country Departures at SFO

Passengers departing from San Francisco should head to Harvey Milk Terminal 1 and locate the Sun Country check-in area on Level 3. Complete check-in and baggage procedures before proceeding through security. Your boarding pass and airport monitors will provide the latest gate information.

Departure Stage	Passenger Instructions
Terminal Arrival	Go to Harvey Milk Terminal 1
Check-In	Level 3; confirm the counter assignment
Baggage Drop	Follow the airline’s baggage instructions
Security Screening	Follow signs to the appropriate checkpoint
Boarding Gate	Check your boarding pass and airport displays
Flight Updates	Monitor airline notifications and airport screens

Departure tip: Allow enough time for check-in, baggage drop, and security screening. Check your assigned gate again after passing through security because airport operations can change.

Sun Country Arrivals at SFO: What Passengers Should Know

Travellers arriving on Sun Country should check their flight status before heading to the airport. After landing, follow the airport signs for baggage claim and ground transportation. If you are picking someone up, confirm the arrival time and use the designated passenger pickup area.

Arrival Service	What to Know
Arrival Terminal	Harvey Milk Terminal 1
Baggage Claim	Follow signs to the assigned carousel
Passenger Pickup	Use the designated pickup area
Delayed Flights	Check updated arrival information
Ground Transportation	Follow signs for taxis, rideshares, and public transit
Airport Assistance	Ask airport staff for directions

Terminal 1 Facilities for Sun Country Travellers

Harvey Milk Terminal 1 offers several passenger amenities for travellers waiting for departures or arriving at SFO. Passengers can find dining, shopping, seating, and other airport services throughout the terminal.

Facility	Available Use
Restaurants and Cafés	Meals, snacks, and refreshments
Retail Shops	Travel essentials and shopping
Seating Areas	Waiting before boarding
Restrooms	Passenger facilities throughout the terminal
Information Services	Airport directions and assistance
Transportation Connections	Access to public transit and ground transport

If you need to travel to another terminal for a connecting flight, check the airport map and allow sufficient time for the transfer.

Official Sun Country and SFO Airport Links

The following official resources can help you manage your reservation, review flight updates, and confirm airport information before travelling.

Resource	Official Website
Sun Country Airlines	https://www.suncountry.com/
Sun Country Manage Trips	https://www.suncountry.com/manage-trips
Sun Country at SFO	https://www.flysfo.com/passengers/flight-info/airlines-sfo/sun-country
SFO Airport Website	https://www.flysfo.com/
SFO Terminal Maps	https://www.flysfo.com/maps

Prepare for Your Sun Country Flight at SFO

Sun Country Airlines uses Harvey Milk Terminal 1 at San Francisco International Airport, with check-in on Level 3. Before leaving for the airport, confirm your flight status, check-in counter, and assigned departure gate.

For arriving passengers, reviewing live flight information can make baggage collection and passenger pickup easier to coordinate. Keep your travel documents accessible and allow enough time for airport procedures.

Frequently Asked Questions