The Club SFO
The bookable Terminal 1 choice, located post-security on Level 3.

Trying to choose the right lounge at San Francisco International Airport (SFO)? The main planning mistake at SFO is assuming it is one big interchangeable lounge map. It is not. In practice, SFO breaks into Harvey Milk Terminal 1's oneworld and Delta mix, Terminal 2's card-friendly and Air Canada options, United's Terminal 3 and International G stronghold, and International Terminal A's dense collection of alliance and Priority Pass-style lounges.
This guide is intentionally practical. It focuses on the lounges travelers can most realistically plan around from current SFO airport pages plus current American Express and airline lounge sources. The other key thing to know is that SFO lounge strategy is heavily terminal-dependent. A great lounge exists in more than one part of the airport, but your real terminal flow still matters more here than travelers sometimes expect.
Quick answer
Start with your departure terminal and access rules. There's one bookable pass in Harvey Milk Terminal 1, one in Terminal 2 and three in International Terminal A. United's Terminal 3 and International G lounges remain eligibility-led rather than general paid-entry choices.
The bookable Terminal 1 choice, located post-security on Level 3.
The bookable Terminal 2 option and the natural choice for eligible Air Canada travelers.
A bookable Level 4 lounge for travelers departing from International A.
A second bookable Level 4 option near Gate A1 in International A.
Not sure which lounge matches your flight?
View all SFO lounge passesFor this guide, we are counting the lounges with the clearest current public support from SFO's official lounge directory, official airline pages, and major lounge-network sources. We are not trying to count every obscure or highly restricted contract lounge as equally useful for the average traveler.
SFO's non-United domestic side is stronger than people often assume. Harvey Milk Terminal 1 alone gives you Alaska, American, Delta, and The Club SFO depending on your airline and access path, while Terminal 2 currently matters because it is where the Centurion Lounge is temporarily operating during SFO's Terminal 3 West modernization.
Airline, status or membership access
Harvey Milk Terminal 1, Retail Street, Level 2, post-security. SFO currently lists hours from 5:00 a.m. to 12:00 a.m. daily. Best Terminal 1 lounge if you want a high-quality oneworld-leaning domestic option.
Harvey Milk Terminal 1, near Gate B13, Level 2, post-security. SFO currently lists hours from 4:30 a.m. to 11:30 p.m. daily. Best SFO lounge for American travelers who want a straightforward lounge stop without chasing the international terminals.
Day pass available
Terminal 1, Concourse B, just before Gate B4. American Express currently highlights premium food, a quiet area, a children's room, and showers for an extra fee. Best flexible Terminal 1 answer if your access comes through Priority Pass-style programs rather than one airline.
Harvey Milk Terminal 1, near Gate C3, Level 2, post-security. SFO currently lists hours from 4:30 a.m. to 10:30 p.m. on Sunday-Monday and Saturday, and 4:30 a.m. to 12:00 a.m. Tuesday-Friday. Best premium lounge in Terminal 1 if your trip is built around Delta.
Airline, status or membership access
Terminal 2, Concourse D. American Express currently says the permanent Terminal 3 lounge is expected to reopen in 2027 and that the temporary lounge is located right after security near Compass Books and Napa Farms Market. Best premium-card lounge at SFO right now if your access comes through Amex and you want a current, search-relevant answer.
Day pass available
Terminal 2, post-security. SFO currently lists hours from 5:30 a.m. to 7:15 p.m. daily, and Air Canada's 2023 launch materials position it as a 165-seat lounge with the airline's first outdoor terrace. Best SFO lounge for Air Canada travelers and one of the calmer Terminal 2 options overall.
If you are flying United or Star Alliance through SFO, the airport becomes much easier to understand. SFO's official United pages show two United Clubs on the domestic side plus the Polaris Lounge and another United Club in International G. In other words, this is one of the clearest airline-dominated lounge setups in the United States.
Terminal 3, Rotunda of the F Gates, Level 3, post-security. SFO currently lists hours from 5:00 a.m. to 12:00 a.m. daily. Best general United Club at SFO if your gate is on the F side or you want the more all-purpose domestic option.
Terminal 3, near Gate E4, Level 3, post-security. SFO currently lists hours from 5:00 a.m. to 11:00 p.m. daily. Best if your departure is closer to the E side and you do not want to overcomplicate the walk.
Airline, status or membership access
International Terminal G, near Gate G1, Level 2, post-security. SFO currently lists hours from 7:00 a.m. to 11:00 p.m. daily and says access is reserved for United Polaris business class and long-haul international first or business class on a Star Alliance airline. Best lounge at SFO if you actually qualify for it.
International Terminal G, between Gates G6 and G9, Level 3, post-security. SFO currently lists hours from 7:00 a.m. to 11:55 p.m. daily. Best backup if you are on the United international side but do not have Polaris eligibility.
International Terminal A is where SFO gets interesting for travelers who are not just following one airline. The official SFO lounge directory shows a dense mix of oneworld lounges, SkyTeam-linked lounges, and Priority Pass-style options. This is the best part of SFO if you value lounge variety more than one specific airline's ecosystem.
Day pass available
Near Gate A1, Level 4, International Terminal A. SFO currently lists it as open 06:00-23:55 daily. Best bookable International A option if you want to reserve lounge access before arriving at SFO.
Airline, status or membership access
International Terminal A, near Gate A1, Level 3, post-security. SFO currently lists hours from 9:30 a.m. to 12:00 a.m. daily. Best SkyTeam-style airline lounge in International A if your eligibility lines up.
Airline, status or membership access
International Terminal A, between Gates A5 and A9, post-security. SFO currently lists hours from 5:00 a.m. to 11:30 a.m. and 1:30 p.m. to 6:45 p.m. daily. Best oneworld lounge in International A if your trip fits BA or eligible partner access.
Airline, status or membership access
International Terminal A, near Gate A1, Level 4, post-security. SFO currently lists split operating windows, including morning and late-evening service. Best premium International A lounge if you want one of the strongest airline-operated spaces at SFO outside Polaris.
Day pass available
International Terminal A, immediately after security, then left and up to Level 4. American Express currently notes Priority Pass / lounge-program access relevance, a 3-hour stay limit, and possible evening crowding. Best if you want a practical International A Priority Pass-style option.
Day pass available
International Terminal A, Concourse A, Level 4. American Express currently highlights a 3-hour stay limit and recurring capacity pressure during midday and evening peaks. Best flexible International A lounge if you care more about access practicality than one airline brand.
Airline, status or membership access
International Terminal A, after security, then left and take the lift to Level 5. American Express currently highlights showers, premium food, and Priority Pass-linked access rules. Best stylish International A lounge if you want a more premium feel than many standard contract lounges.
One of the biggest current SFO lounge details is not a new opening but a temporary shift. American Express currently says the Centurion Lounge has moved to Terminal 2, Concourse D because of the Terminal 3 West Modernization Project, and that the permanent Terminal 3 lounge is expected to reopen in 2027. That matters because a lot of older SFO lounge advice still assumes Centurion is sitting in its old setup.
Use SFO's official lounge directory for a current terminal-by-terminal snapshot before you decide which lounge is actually worth planning around.
If you are still deciding whether to use a lounge, stay inside the airport, book the Grand Hyatt, or leave for San Francisco at all, our SFO layover guide is the better next read.
SFO is a very good lounge airport, but it is also an airport where a proper room can beat another club visit once your stop gets long enough. If privacy, sleep, or a real reset matters more than another drink and buffet pass, airport hotels near SFO can become the smarter answer quickly.
Compare nearby hotels before deciding whether to wait in the terminal, use a lounge, or book a proper room for your layover.
Three stays worth checking if you want a proper room, a lower-stress overnight, or the simplest airport base.
| Option | Typical Cost Tier | Best For | Showers | Real Bed? |
|---|---|---|---|---|
| Standard lounge | Moderate / per person | Food, drinks, Wi-Fi, and a more comfortable pre-flight experience | Sometimes | No |
| Premium flagship lounge | Eligibility-based | Better dining, quieter seating, and a more polished pre-flight reset | Often yes | No |
| Airport or near-airport hotel | Moderate to premium | Long layovers, overnights, and ugly departure times | Yes | Yes |
These are the SFO hotel pages worth checking when another lounge visit is not the right answer:
The strongest on-airport hotel play at SFO if you need a real reset and want to avoid stretching a long stop across lounges and terminal seating.
Compare airport and near-airport hotel options at SFO when a proper room makes more sense than one more lounge visit.
Search our lounge guides by airport name or IATA code.
It depends on your airline. United dominates Terminal 3 and International G, Harvey Milk Terminal 1 is strongest for mixed domestic lounge variety, and International Terminal A has the best non-United premium mix.
For many travelers, the current answer is the temporary Centurion Lounge in Terminal 2, Concourse D. The Club SFO, Golden Gate Lounge, China Airlines Lounge, and Virgin Atlantic Clubhouse can also matter depending on your card program and terminal.
Yes. SFO currently has two United Clubs on the domestic side, one United Club in International G, and the United Polaris Lounge for eligible premium travelers.
No, not right now. American Express currently says the Centurion Lounge is operating from a temporary location in Terminal 2, Concourse D during the Terminal 3 West modernization, with the permanent lounge expected to reopen in 2027.
If you mainly want food, drinks, and a better seat, a lounge is fine. But once sleep, privacy, or a real shower-and-reset matter more, an airport hotel near SFO is often the better move.
Choose a bookable SFO lounge for your terminal.