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Europe
Helsinki
Finland · HEL · 8,709.432 km from SF (via OAK)
Est. Mar 2027
$620
off-peak
March and November are the cheapest Northern Lights windows.
December Christmas and Lapland winter drive spikes.
Ready to book?
Suggested cheapest window October 2026 · 2026-10-07 → 2026-10-15
Or search March 2027: 2027-03-07 → 2027-03-15
March 2027 is off-peak
This is the cheap, quiet window. Expect lower fares, fewer crowds, and occasionally softer weather.
Why this season?
- Sportsdrives prices downMarAurora shoulder
Best cheap Northern Lights window.
- Weatherdrives prices upJun, Jul, AugMidnight sun summer
Festivals + white nights.
- Festivaldrives prices upDecLapland + Christmas
Santa tourism drives a winter spike.
- Weatherdrives prices downJan, Feb, Apr, Oct, NovCold dark months
Sauna weather, deep value.
Weather through the year
Typical weather by month
Open-Meteo averages · 2019–2023 · °F
avg high / lowrainy days
J
31°
21°
16d
F
32°
21°
11d
M
37°
24°
11d
A
48°
30°
6d
M
58°
40°
12d
J
72°
53°
8d
J
71°
55°
14d
A
69°
55°
14d
S
59°
46°
11d
O
48°
39°
15d
N
38°
31°
13d
D
31°
23°
15d
warmest 72°Fcoolest 31°F
12-month fare curve
12-month estimated fare curve
Range $620 – $1190
off-peak shoulder peak holiday spike
$620
$620
$620
$620
$795
$1190
$1190
$1190
$795
$620
$620
$1190
J
F
M
A
M
J
J
A
S
O
N
D
Cheapest month
November
~$620 · off-peak
Most expensive
December
~$1190 · peak
Peak months
Jun, Jul, Aug, Dec
avoid these for budget