Vietnam·HAN·Asia
Cheap Flights to Hanoi
$911 round trip from New Yorkseen Aug 18 · 27 Feb–13 Mar
Find flights to Hanoi
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Overview
Flying to Hanoi
Country
Vietnam
Region
Asia
Airport
HAN
Cheapest month we saw
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Fares we found
What we have seen flights to Hanoi cost
3 observations — too few to say which month is cheapest, so here they are as they came.
- August$961 round trip from New York · departing 2026-08-30 · seen Aug 23
- December$966 round trip from New York · departing 2026-12-31 · seen Aug 23
- January$808 round trip from New York · departing 2027-01-05 · seen Aug 23
Climate
Weather in Hanoi, month by month
The warmest month in Hanoi is June, at an average high of 90°F; the coolest is January at 66°F. August brings the most rain.
| Month | High | Low | Rain |
|---|---|---|---|
| January | 66°F | 55°F | 1.5 in |
| February | 70°F | 59°F | 1.3 in |
| March | 79°F | 66°F | 2.0 in |
| April | 86°F | 72°F | 3.3 in |
| May | 88°F | 75°F | 8.5 in |
| June | 90°F | 79°F | 11.2 in |
| July | 90°F | 79°F | 10.3 in |
| August | 90°F | 79°F | 11.5 in |
| Septemberthis month | 86°F | 75°F | 8.7 in |
| October | 82°F | 70°F | 4.0 in |
| November | 75°F | 63°F | 2.0 in |
| December | 70°F | 57°F | 0.9 in |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Hanoi guide coming soon
We're writing an in-depth guide to Hanoi — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Hanoi — your questions answered
- How much is a round trip flight to Hanoi?
- The cheapest round trip we currently hold is $911 from New York (seen Aug 18 · 27 Feb–13 Mar). We hold fares for 3 months, between $808 and $966 — too few to say which month is cheapest. These are prices a live search returned, not a standing offer, and they move daily.
- When is it warm in Hanoi?
- June is the warmest month in Hanoi, averaging a daily high of 90°F, and 9 of the 12 months average 75°F or warmer. The coolest is January at 66°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Hanoi in September?
- In September, Hanoi averages a daily high of 86°F and an overnight low of 75°F; about 8.7 inches of rain fall across the month. Ten-year measured averages — an individual week can differ.
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