2 airlines go head-to-head on the SFO–CDG route. Compare seats, lounges, and fares from $2,200.
2 airlines fly business class from San Francisco (SFO) to Paris (CDG), with round-trip fares ranging from $2,200 to $6,000. The average flight time is 11 hours. Air France and United Airlines are the primary competitors on this route. The most affordable fares typically appear in January, February, March.
The transatlantic corridor between San Francisco and Paris is one of the most hotly contested premium routes in global aviation, and choosing the right business class from San Francisco to Paris can meaningfully define your entire journey. Both Air France and United Airlines operate this roughly eleven-hour crossing with fully lie-flat, direct-aisle-access cabins — but the similarity largely ends there. Air France flies its La Première-adjacent Business cabin featuring a 1-2-1 reverse herringbone configuration with a genuine privacy door, while United Polaris offers its own 1-2-1 direct-aisle-access lie-flat product that has steadily matured since its 2016 launch.
On the ground, the gap widens considerably. Air France's Salon at CDG is a legitimately world-class lounge experience — the Première Lounge accessible to some premium passengers sets a near-impossible benchmark — while United's Polaris Lounge at SFO is a strong domestic offering but lacks the Parisian culinary theater that Air France brings to its onboard dining. Air France leans heavily into its French identity at altitude: multi-course meals developed with notable culinary partners, a curated wine list with genuine appellations, and linen service that feels deliberate rather than performative. United Polaris, to its credit, has improved its catering substantially and its Saks Fifth Avenue bedding collaboration remains one of the better sleep setups in North American business class.
For suite seekers who want the most enclosed, European-flavored experience with superior lounge access at CDG, Air France is the clear choice. United Polaris earns its place for travelers departing SFO who prioritize a strong domestic lounge, MileagePlus redemption flexibility, and — critically — price competitiveness. United tends to release more aggressive promotional fares on this route and historically prices below Air France outside peak summer and holiday windows. January through March and again in October and November represent the most reliable windows for softened pricing from both carriers. The insider move is to position your search around Air France's own frequent flyer program, Flying Blue, which runs monthly Promo Rewards sales that can unlock this route at a fraction of the standard mileage rate — often with better availability than partner programs.
Whichever carrier suits your priorities, fare conditions on SFO–CDG shift quickly and unpredictably, making automated price alerts through a dedicated monitoring platform the most reliable way to act when the right seat at the right price briefly surfaces.
| Airline | Product | Seat Type | Lounge | Alliance | Typical Fare |
|---|---|---|---|---|---|
Air France AF | Business | 1-2-1 reverse herringbone with door | Air France Business Lounge | SkyTeam | From $2,200 |
United Airlines UA | Polaris Business | 1-2-1 direct aisle access | United Polaris Lounge | Star Alliance | From $2,200 |
Business
1-2-1 reverse herringbone with privacy door
Polaris Business
1-2-1 direct aisle access lie-flat seat
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Start Tracking — It's Free →2 airlines operate Business Class on this route: Air France, 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 $2,200 to $6,000 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 11 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.