Cheap Flights From San Francisco to Hanoi

Flights from San Francisco to Hanoi, Vietnam (SFO to HAN)

Travel from San Francisco to Hanoi, Vietnam, with affordable flight deals from CyoTrip. Whether you are planning a Vietnam vacation, cultural exploration, business trip, family holiday, or Southeast Asia adventure, CyoTrip helps you compare fares from leading airlines and book the best San Francisco to Hanoi flights at competitive prices.

The San Francisco to Hanoi route connects Northern California with Vietnam’s charming capital city. Hanoi is a destination filled with ancient traditions, French colonial architecture, historic temples, peaceful lakes, vibrant street markets, and world-famous Vietnamese cuisine. From exploring the Old Quarter to visiting the stunning landscapes of northern Vietnam, Hanoi offers unforgettable experiences for every traveler.

Book Affordable Flights from San Francisco to Hanoi

Planning your Vietnam journey? CyoTrip makes booking flights from San Francisco International Airport (SFO) to Noi Bai International Airport (HAN) simple, secure, and affordable.

Compare airline schedules, airfare, baggage allowances, flight duration, and travel options to find the best deal. Whether you are searching for cheap flights, last-minute offers, or flexible travel options, CyoTrip helps you save on every trip.

Route Information

Airlines Flying from San Francisco to Hanoi

Several leading airlines operate flights from San Francisco to Hanoi, including:

• Vietnam Airlines
• Singapore Airlines
• Korean Air
• Japan Airlines
• All Nippon Airways (ANA)
• EVA Air
• Cathay Pacific
• China Airlines
• Asiana Airlines
• Qatar Airways

Travelers can choose Economy, Premium Economy, Business Class, or First Class based on comfort preferences and travel budgets.

Best Time to Visit Hanoi

October to April

• Comfortable temperatures
• Best season for sightseeing
• Ideal for exploring outdoor attractions

May to September

• Great for budget travelers
• Experience Hanoi’s local culture and lifestyle

Things to Do in Hanoi

• Explore the Old Quarter
• Enjoy authentic Vietnamese food
• Try pho and Vietnamese coffee
• Visit historic temples
• Experience local markets
• Take a cyclo ride
• Explore museums
• Enjoy traditional performances
• Visit nearby villages
• Discover northern Vietnam landscapes

Travel Tips for San Francisco to Hanoi Flights

• Book flights 6–10 weeks before departure for better airfare.
• Carry a valid passport and required travel documents.
• Check Vietnam entry requirements before traveling.
• Arrive at San Francisco International Airport at least three hours before international flights.
• Complete online check-in before reaching the airport.
• Carry Vietnamese Dong (VND) for local expenses.
• Pack comfortable clothing suitable for Vietnam’s climate.
• Keep digital copies of important travel documents.
• Download translation apps for easier communication.

Airport Information

Departure Airport

San Francisco International Airport (SFO)

San Francisco International Airport is a major gateway connecting the United States with Asia. It offers modern terminals, international lounges, restaurants, shopping areas, and excellent passenger services.

Arrival Airport

Noi Bai International Airport (HAN)

Noi Bai International Airport is Hanoi’s primary international airport, offering modern facilities, restaurants, transportation services, and convenient access to the city.

Why Visit Hanoi?

Hanoi combines Vietnam’s rich history with modern experiences. Travelers can explore ancient temples, colonial buildings, peaceful lakes, traditional markets, and delicious local cuisine. The city is also an ideal base for exploring northern Vietnam destinations such as Ha Long Bay, Sapa, Ninh Binh, and Ha Giang.

Frequently Asked Questions

How long is the flight from San Francisco to Hanoi?

The average travel time from San Francisco to Hanoi is approximately 18 to 21 hours, depending on the airline and connecting route.

Which airlines fly from San Francisco to Hanoi?

Vietnam Airlines, Singapore Airlines, Korean Air, Japan Airlines, EVA Air, and other international airlines offer flights to Hanoi.

When is the cheapest time to book San Francisco to Hanoi flights?

Booking 6–10 weeks before departure generally helps travelers find better airfare, although prices vary based on season and demand.

Which airport serves Hanoi?

Noi Bai International Airport (HAN) is the main international airport serving Hanoi.

Book Your San Francisco to Hanoi Flight Today

Whether you are traveling for business, leisure, family holidays, or a Vietnam adventure, CyoTrip makes booking San Francisco to Hanoi flights simple, secure, and affordable. Compare fares from leading airlines, choose your preferred itinerary, and start your Vietnam journey today.