Flights from Billings to Amsterdam lean towards being more expensive in July. Prices are generally better when you fly from Billings to Amsterdam in November, with the cheapest ticket starting at $689.
It’s optimal to fly from Billings to Amsterdam in the morning. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight at noon.
Flying to your destination on a Sunday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Amsterdam. Check prices with Cheapflights to find a great deal for your trip.