Cheapest return flights from Oslo (OSL) to Helsinki (HEL)

Cheapest month: November 2026, from $ 100. Book in one tap, or open a month for every date.

All destinations from Oslo (OSL)

One-wayReturn

  • October 2026

    29 Oct – 2 Nov 4 nights
    $ 163 return
    Direct Norwegian Air Sweden AOC
    Price seen 9 Oct
    October dates

  • November 2026

    12–16 Nov 4 nights
    $ 100 return Cheapest month
    Direct Norwegian Air Sweden AOC
    Price seen 8 Oct
    November dates

  • December 2026

    3–7 Dec 4 nights
    $ 101 return
    Direct Norwegian Air Sweden AOC
    Price seen 9 Oct
    December dates

  • January 2027

    28 Jan – 8 Feb 2027 11 nights
    $ 107 return
    Direct Norwegian Air Sweden AOC
    Price seen 8 Oct
    January dates

  • February 2027

    11–18 Feb 2027 7 nights
    $ 115 return
    Direct Norwegian Air Sweden AOC
    Price seen 9 Oct
    February dates

  • March 2027

    4 Mar – 4 Apr 2027 31 nights
    $ 106 return
    Direct Norwegian Air Sweden AOC
    Price seen 9 Oct
    March dates

  • April 2027

    16–21 Apr 2027 5 nights
    $ 127 return
    Direct Norwegian
    Price seen 8 Oct
    April dates

  • July 2027

    28 Jul – 2 Aug 2027 5 nights
    $ 146 return
    airBaltic
    Price seen 9 Oct
    July dates
Powered by

Deals for one-way flights from Oslo to Helsinki.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki Vantaa

Updated Oct 9, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.