Cheap flights from Chicago to Helsinki
from 656 US$
From 877 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 656 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Chicago to Helsinki, a about 7,122 km route (around 9h 24m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Finnair, British Airways operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Chicago to Helsinki?
It's usually 2026-10, from 656 USD. Use the price calendar to compare other dates.
How long is the flight from Chicago to Helsinki?
A nonstop flight takes about 9h 24m and covers around 7,122 km. Connecting itineraries take longer.
Are there direct flights from Chicago to Helsinki?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Chicago to Helsinki?
American Airlines, Finnair, British Airways, Iberia operate this route, among others. Compare them all in the results.
When should I book Chicago–Helsinki flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Chicago → Helsinki · Live fares from 100+ sites — free, with no hidden fees.