Fares shown are modelled estimates, not live quotes.
Why visit Hanoi in October?
September-November and March-April have mild weather (70-80°F). December-February is cold (50-60°F, gray). May-August is hot and humid (90°F+). Avoid June-August (monsoon season).
Best Time to Fly to Hanoi
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Listed as a recommended month in this destination guide
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Flights to Hanoi in October
All US departure cities for Hanoi — sorted by estimated price. Set a price alert on any route now; fare reviews resume after the provider migration.
About Hanoi
Hanoi is Vietnam's capital and old-soul city — street food culture, French colonial architecture, and chaos that makes Bangkok look tame. The Old Quarter is a maze of motorbikes and pho stalls, Hoan Kiem Lake is the heart, and it's the gateway to Ha Long Bay and Sapa. Spend 3-4 days minimum.
- •Old Quarter street food (pho, bun cha, egg coffee)
- •Hoan Kiem Lake and Ngoc Son Temple
- •Train Street (houses built along active train tracks)
- •Day trips to Ha Long Bay (3 hours) or Sapa (overnight train)
Other months to visit Hanoi
Frequently Asked Questions
Is October a good month to visit Hanoi?
Yes — October is one of the best months for Hanoi. September-November and March-April have mild weather (70-80°F). December-February is cold (50-60°F, gray). May-August is hot and humid (90°F+). Avoid June-August (monsoon season).
How much do flights to Hanoi cost in October?
The lowest modelled estimate to Hanoi in October is around $632 round trip from Seattle. This is not a live fare. Fare reviews are paused during the provider migration.
When should I book October flights to Hanoi?
Book 6–10 weeks before your October travel date for the best price-availability balance. For peak seasons, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
Save a Hanoi route for October
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