transatlantic · 11h 15m · 9,371 km
San Francisco to Zurich
2 airlines · 2 aircraft ranked
In business class, United's Polaris (777-300ER) edges out the field with a 6.5/10.In premium economy, SWISS's SWISS Premium Economy (777-300ER) leads the field with a 5.3/10.
Quick pick
Fly United. It has 18 more inches of legroom and direct aisle access.
If fares are comparable, this is the better cabin.
Fly SWISS. It scores higher across seat comfort and amenities.
If fares are comparable, this is the better cabin.
Fly SWISS. It scores higher across seat comfort and amenities.
If prices are similar, go with this one.
Select two airlines to compare head-to-head
Data verified June 2026
Find your flight
New routes and airlines added regularly. One short email when we do.
Route insights
- In business class, United's Polaris (777-300ER) edges out the field with a 6.5/10.
- In premium economy, SWISS's SWISS Premium Economy (777-300ER) leads the field with a 5.3/10.
- In economy, SWISS's SWISS Economy (777-300ER) leads the field with a 4.1/10.
- SWISS is the only carrier offering first class on this route, scoring 7.0/10.
Frequently asked
Which is better in business: United or SWISS on SFO-ZRH?
Polaris (United Airlines, 777-300ER) and SWISS Business (SWISS International Air Lines, 777-300ER) score virtually the same in business: 6.5 vs 6.2/10. The biggest gap is bedding — mattress pad vs blanket — but neither carrier pulls ahead overall.
Which is better in premium economy: United or SWISS on SFO-ZRH?
SWISS Premium Economy (SWISS International Air Lines, 777-300ER) edges out Premium Plus (United Airlines, 777-300ER) in premium economy, scoring 5.3/10 vs 4.5. The deciding factor: 39" of pitch vs 38".
Which is better in economy: United or SWISS on SFO-ZRH?
SWISS Economy (SWISS International Air Lines, 777-300ER) edges out Economy (United Airlines, 777-300ER) in economy, scoring 4.1/10 vs 3.5. The deciding factor: complimentary meals vs buy on board.
What are the best seats in United Polaris on SFO-ZRH?
Best: Odd-row window seats for maximum privacy. Avoid: Row 9 center pair can be noisy near galley. UA flagship widebody. 60 Polaris seats — largest Polaris cabin. Same Safran Optima as 787-9/787-10. 16-inch IFE. Panasonic Ku-band wifi (paid).
What are the best seats in United Premium Plus on SFO-ZRH?
Best: Window pairs for 2 across. Avoid: Center inner seats in the 4-section. 2-4-2 premium economy. 13.3-inch IFE. Enhanced meals with alcohol.
What are the best seats in United Economy on SFO-ZRH?
Best: Economy Plus rows for extra pitch. Avoid: Last rows near lavatories. 3-4-3 economy (wider cabin than 787). Economy Plus available. 9-inch IFE.
What are the best seats in SWISS SWISS First on SFO-ZRH?
Best: Window suites 1A and 1K offer the most privacy. Center pairs 1D/1E work for couples with the divider lowered. Avoid: Center pairs share a divider that doesn't fully block sightlines when raised. 8 semi-enclosed suites with powered privacy blinds (not hard doors). 32-inch IFE screens. Zimmerli pajamas, La Prairie amenity kit, mattress pad, and premium duvet. Taste of Switzerland rotating chef program. 50MB complimentary WiFi voucher included.
What are the best seats in SWISS SWISS Business on SFO-ZRH?
Best: "Throne" seats at 4A, 5K, 7A, 8K have direct aisle access and extra privacy — the best seats in the cabin. These solo window positions are surrounded by storage and feel semi-private. Avoid: Window-paired seats (e.g., 4K, 5A) require stepping over a neighbor's footwell to reach the aisle. Avoid if you get up frequently. 62 staggered herringbone seats — not all have direct aisle access. Alternating 1-2-2 and 2-2-1 layout means window seats alternate between "throne" and "companion" positions. Victorinox amenity kit. 16-inch IFE. Paid WiFi from CHF 9.
What are the best seats in SWISS SWISS Premium Economy on SFO-ZRH?
Best: Window pairs (A-B) offer the most privacy. Front row has bulkhead legroom. Avoid: Center block middle seats (D or E) require climbing over neighbors. 24 fixed-shell recliner seats added in 2022 retrofit. 15.6-inch IFE. Enhanced 3-option meal service on china. Noise-reducing headphones included. USB-A power only — no AC outlet.
What are the best seats in SWISS SWISS Economy on SFO-ZRH?
Best: Exit row seats offer significantly more legroom. Window seats avoid the center block squeeze. Avoid: Last rows near rear lavatories are noisy. Center block middle seats (D or E) are tightest. 226 economy seats in 10-abreast configuration. 11-inch touchscreen IFE. Complimentary meals on long-haul. USB-A only — no AC outlet in economy.