The month of February is, on average, the cheapest month to fly to Omsk from United States, with most prices found around $744. If you are unable to visit Omsk during the month of February, then departing from United States during the month March is also very affordable. Most momondo users find prices during this month for around $759.
The cheapest day to depart from United States to Omsk is on a Thursday when prices can be found for as low as $737. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $1,247. These prices are subject to change though, so be sure to set up a Price Alert for flights to Omsk.