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Southeast Asia
Hanoi
Vietnam · HAN · 11,758.398 km from SF
Est. Feb 2027
$530
shoulder
Skip peak autumn — summer flights drop.
Hot humid summer; cool dry spring and autumn.
Ready to book?
Suggested cheapest window June 2026 · 2026-06-07 → 2026-06-15
Or search February 2027: 2027-02-07 → 2027-02-15
February 2027 is shoulder
The in-between months — near-peak weather at a material discount. Often the best overall value.
Why this season?
- Festivaldrives prices upFebTet
Lunar New Year paralyzes the country briefly.
- Weatherdrives prices upApr, Oct, NovCool dry spring + autumn
Best weather windows; ideal for Halong Bay.
- Weatherdrives prices downJun, Jul, AugHot humid summer
Monsoon heat discounts flights.
Weather through the year
Typical weather by month
Open-Meteo averages · 2019–2023 · °F
avg high / lowrainy days
J
70°
57°
11d
F
73°
60°
12d
M
79°
66°
14d
A
83°
70°
15d
M
89°
76°
18d
J
92°
80°
19d
J
92°
80°
20d
A
89°
78°
25d
S
87°
76°
21d
O
82°
71°
13d
N
79°
66°
8d
D
70°
57°
6d
warmest 92°Fcoolest 70°F
12-month fare curve
12-month estimated fare curve
Range $415 – $795
off-peak shoulder peak holiday spike
$530
$530
$795
$795
$530
$415
$415
$415
$530
$795
$795
$795
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
August
~$415 · off-peak
Most expensive
December
~$795 · peak
Peak months
Mar, Apr, Oct, Nov, Dec
avoid these for budget