Cheapest return flights from Chicago to Helsinki in March from $693

AirHint found the following cheapest return flights from Chicago (MDW) to Helsinki (HEL) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar Delta
04 Mar - 10 Mar Delta
15 Mar - 22 Mar Frontier Airlines
12 Mar - 22 Mar Delta

Also check the deals for one-way flights from Chicago to Helsinki in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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