Flights from SFO to Hanoi
Compare airlines and fares on SFO–HAN. Find cheap flights, flexible dates, and instant booking.
Search Flights: SFO (SFO) → Hanoi (HAN)
Route snapshot: SFO to Hanoi
SFO to Hanoi is a 14h 30m air corridor covering roughly 11,758 km and typically searched by travelers comparing direct and one-stop options.
Use this page to benchmark fares, check which airlines commonly serve the corridor, and move into airport, visa, and destination planning before you book.
Why travelers watch this route
Route economics
SFO–HAN sits in the Ultra long-haul fare band, with economy prices often starting around $600 when booked at the right time.
Seasonality
Hanoi demand usually strengthens around October – April, which can push fares higher on this corridor.
Airline competition
This corridor is usually compared across 5 common airline options, which is why checking both the route page and the live fare search can uncover better timing and booking opportunities.
Airlines flying SFO to Hanoi
These carriers commonly operate the SFO–HAN route or connect via regional hubs.
SFO–Hanoi route intelligence
Updated analysis of the SFO–HAN corridor — distance, fares, timing, and connecting options.
Route profile
SFO (SFO) to Hanoi (HAN) is a ultra-long-haul corridor spanning approximately 11,758 km, with typical block time around 14h 30m. Published fares cluster between $600 and $1600 in economy. Ultra long-haul.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Tết (Lunar New Year, late Jan/early Feb) is when Vietnamese diaspora return en masse — outbound from VN clears, inbound floods. Avoid booking the 10 days around Tết unless flexible.
Connecting hubs to compare
If a nonstop on the SFO–HAN corridor is sold out or overpriced, one-stop itineraries through Tokyo (NRT), Seoul (ICN), Hong Kong (HKG) and Taipei (TPE) are typically the strongest alternatives — often 20-40% cheaper than nonstop, with 3-12 hours added to total journey time.
Visa & arrival
Passport-validity and visa requirements differ between and Vietnam — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to Hanoi
Based on weather and travel conditions in Vietnam
Vietnam spans multiple climate zones. Hanoi and the north are best Oct–Apr; Ho Chi Minh City is best Nov–Apr. Da Nang is excellent Feb–Aug. The middle has complex weather patterns.
Direct & Connecting Flights
Multiple airlines operate between SFO (SFO) and Hanoi (HAN). Compare direct and connecting options to find the best price. Direct flights take approximately 14h 30m.
Fares & Price Guide
Economy fares on SFO–HAN typically range from $600 to $1600 USD one-way. Book 6–10 weeks ahead for the best prices, or set a fare alert to catch price drops automatically.
About Hanoi, Vietnam
Hanoi is a popular destination for AirConnect travellers. Best visited during October – April. Browse our destination guide for hotels, visa requirements, and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search SFO → HAN
Move from route guidance into live flight results and booking options.
Airport Guides
Check terminals, transport and arrival details for SFO and HAN.
Airline Route Maps
See which airlines dominate the SFO–HAN corridor and nearby connections.
Hanoi Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on SFO–HAN and related city pairs.
Visa Guides
Check entry rules before booking flights from SFO to Vietnam.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on SFO → Hanoi
Limited-time offers — grab them before they're gone
Frequently asked questions — SFO to Hanoi flights
Ready to book SFO–HAN?
Set a fare alert, check your visa, or search flights now.