August is the cheapest month to fly this route, with average fares around $738 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $805 | $752 | ||
| June 2026 | $842 | $738 | Peak | |
| July 2026 | $796 | $738 | ||
| August 2026 | $738 | $683 | Best |
Departing on Tuesday offers the lowest average fares at $773. Friday departures are the most expensive at $867, a difference of $94.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from New York to Oslo is August, with average round-trip fares around $738. The lowest fare found in August is $683.
Tuesday departures are the cheapest, averaging $773 round trip. The most expensive day is Friday at $867.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $842 compared to $738 in the cheapest month. May is a solid middle-ground option at $805.
Flying in August instead of June can save you approximately $104 per round trip. The cheapest month averages $738 while the most expensive averages $842.
Airlines, flight times, price calendar, and more for New York to Oslo
View JFK → OSL Details