2 airlines go head-to-head on the SFO–HKG route. Compare seats, lounges, and fares from $2,500.
2 airlines fly business class from San Francisco (SFO) to Hong Kong (HKG), with round-trip fares ranging from $2,500 to $6,500. The average flight time is 14 hours. Cathay Pacific and United Airlines are the primary competitors on this route. The most affordable fares typically appear in January, February, March.
The roughly 14-hour transpacific crossing between San Francisco and Hong Kong is one of the most consequential business class routes in aviation — and right now, two very different philosophies are competing for your loyalty. Booking business class from San Francisco to Hong Kong means choosing between Cathay Pacific's increasingly refined Aria Suite and United's Polaris Business product, and that choice reveals more about what you value in long-haul travel than almost any other route decision you'll make.
Cathay Pacific's Aria Suite, rolling out across its widebody fleet, is genuinely among the finest hard products in the sky. The enclosed suite with sliding door, ottoman seating for two, and a full-flat bed that doesn't require contortion is complemented by what remains one of the most thoughtful catering programs in premium aviation — expect regionally inspired menus, proper glassware, and a wine list curated with unusual seriousness. The Wing lounge at Hong Kong connects this into a seamless premium experience on the return leg. United's Polaris Business, meanwhile, is a more utilitarian proposition: direct aisle access from every seat in a clean 1-2-1 configuration, a genuinely comfortable flat bed, and the Polaris Lounge at SFO, which is legitimately impressive by North American standards. Where Polaris falls short is in the dining and finishing details — the gap in soft product between the two carriers on this route is meaningful, not marginal.
For practical routing, Cathay operates this nonstop with strong scheduling that suits both outbound morning departures and connections into Southeast Asia. United's nonstop frequency is solid, and for travelers already deep in the MileagePlus ecosystem, redemption value can be compelling. Cathay tends to release more competitive fares in January, February, and the October-to-November window — these are the months to watch most aggressively. The insider tip worth acting on: Cathay's business class availability often opens up meaningfully within six to eight weeks of departure when revenue loads soften, particularly on midweek flights.
For suite seekers and discerning foodies, Cathay Pacific is the clear choice on this route — the Aria Suite represents a genuine step above in privacy and culinary ambition. Value hunters with flexibility should track United Polaris, especially during the shoulder months when fare gaps between the two carriers widen considerably. Given how quickly availability and pricing shift on this corridor, setting automated fare alerts specifically for SFO to HKG business class is the single most effective thing you can do before committing to a booking date.
| Airline | Product | Seat Type | Lounge | Alliance | Typical Fare |
|---|---|---|---|---|---|
Cathay Pacific CX | Aria Suite | 1-2-1 reverse herringbone | The Pier Business Class Lounge | oneworld | From $2,500 |
United Airlines UA | Polaris Business | 1-2-1 direct aisle access | United Polaris Lounge | Star Alliance | From $2,500 |
Aria Suite
1-2-1 reverse herringbone with Aria Suite rolling out
Polaris Business
1-2-1 direct aisle access lie-flat seat
Create a free watchlist for SFO→HKG and our system will scan all 2 airlines daily. You'll get an alert the moment any fare drops to your budget.
Start Tracking — It's Free →2 airlines operate Business Class on this route: Cathay Pacific, United Airlines. The "best" depends on your priorities — some offer enclosed suites, others prioritize food and lounge access. Our comparison table above breaks down each airline's seat type, lounge, and typical fare so you can decide what matters most.
Business Class fares on this route typically range from $2,500 to $6,500 round-trip. Pricing varies significantly by airline, season, and advance purchase. The best months to find competitive fares are January, February, March.
Set up a free fare watchlist on BusinessClassSignal. We monitor Business Class fares across all 2 airlines on this route 24/7 and alert you the moment prices drop to your target budget. Most travelers save $1,500–$3,000+ per ticket by catching short-lived price drops.
The average flight time is approximately 14 hours. Business Class makes long-haul flights significantly more comfortable with lie-flat seats, premium dining, and priority services. The experience varies considerably between airlines — see our comparison above.