Finland·HEL·Europe
Cheap Flights to Helsinki
$600 round trip from New Yorkseen Aug 18 · 20 Sept–19 Nov
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Overview
Flying to Helsinki
Country
Finland
Region
Europe
Airport
HEL
Cheapest month we saw
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Climate
Weather in Helsinki, month by month
The warmest month in Helsinki is July, at an average high of 68°F; the coolest is January at 27°F. August brings the most rain.
| Month | High | Low | Rain | Ocean |
|---|---|---|---|---|
| January | 27°F | 19°F | 1.9 in | 32°F |
| February | 28°F | 19°F | 1.7 in | 32°F |
| March | 34°F | 25°F | 1.6 in | 32°F |
| April | 45°F | 32°F | 1.7 in | 37°F |
| May | 55°F | 41°F | 1.7 in | 48°F |
| June | 64°F | 52°F | 2.0 in | 61°F |
| July | 68°F | 57°F | 3.5 in | 64°F |
| August | 66°F | 57°F | 4.0 in | 66°F |
| Septemberthis month | 59°F | 50°F | 2.5 in | 63°F |
| October | 46°F | 41°F | 2.8 in | 50°F |
| November | 37°F | 32°F | 2.7 in | 39°F |
| December | 32°F | 27°F | 2.4 in | 32°F |
Ten-year average (2015–2024) of measured daily observations, not a brochure estimate.
Full Helsinki guide coming soon
We're writing an in-depth guide to Helsinki — attractions, food, hotels, transport and the best time to visit. Meanwhile, search live fares above and grab a deal.
Good to know
Flying to Helsinki — your questions answered
- How much is a round trip flight to Helsinki?
- The cheapest round trip we currently hold is $600 from New York (seen Aug 18 · 20 Sept–19 Nov). We hold fares for 2 months, between $542 and $836 — 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 Helsinki?
- No month in Helsinki averages a daily high of 75°F or warmer — the warmest is July at 68°F, and the coolest is January at 27°F. These are ten-year averages (2015–2024) of measured observations, not estimates.
- What is the weather like in Helsinki in September?
- In September, Helsinki averages a daily high of 59°F and an overnight low of 50°F; about 2.5 inches of rain fall across the month; the sea averages 63°F. Ten-year measured averages — an individual week can differ.
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