Cheap flights from San Francisco to Hanoi
One-way fares from $506, found recently by travellers. Plus what 5 days in Hanoi costs once you land.
Cheapest dates we found
- 14 Oct2026SFO → HANEVA Air · 1 stop · 16h 40m$506one way
- 15 Oct2026SFO → HANEVA Air · 2 stops · 19h 5m$557one way
- 4 Jun2027SFO → HANYP · 1 stop · 17h 10m$567one way
- 18 Oct2026SFO → HANVietnam Airlines · 1 stop · 17h 50m$590one way
- 16 Oct2026SFO → HANEVA Air · 2 stops · 19h 5m$597one way
- 17 Oct2026SFO → HANEVA Air · 1 stop · 16h 35m$603one way
- 26 Dec2026SFO → HANKorean Air · 1 stop · 18h 5m$694one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Lowest fare by month
Lowest one-way fare seen for each month. Months with no price had no recent searches.
Airlines on this route
Recent cheap fares were with EVA Air, YP, Vietnam Airlines, Korean Air. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Hanoi
October to December and March to April. Summers are hot and humid; winters (January to February) are cool and grey.
Money-saving tips for Hanoi
- Use Grab bikes or cars for cheap, fixed-price rides around the city.
- Street-side pho and bun cha are both delicious and very cheap.
- Book Ha Long Bay trips with a reputable operator; the cheapest tours often cut corners.
Questions
How much is a flight from San Francisco to Hanoi?
The cheapest one-way fare we found recently was $506 with EVA Air on 14 Oct 2026. Most of the fares we saw were between $506 and $694 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from San Francisco to Hanoi?
The quickest flight in our recent results took 16h 35m with 1 stop.
Are there direct flights from San Francisco to Hanoi?
The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.
What is the cheapest month to fly from San Francisco to Hanoi?
In our recent results, October had the lowest fare ($506 one way). This is based on prices other travellers found, not a forecast.
How much money do I need for 5 days in Hanoi?
About $130 for one backpacker, or $710 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $1,012 per person for a return flight from San Francisco.
More flights from San Francisco
- San Francisco → Bangkok
- San Francisco → Chiang Mai
- San Francisco → Phuket
- San Francisco → Bali
- San Francisco → Kuala Lumpur
- San Francisco → Penang
- San Francisco → Singapore
- San Francisco → Ho Chi Minh City
- All flights from San Francisco
Fly to Hanoi from
- Bangkok
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Ho Chi Minh City
- Da Nang
- Siem Reap
- New York
- Mexico City
- Jakarta
- Manila
- Surabaya
- Cebu
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.