Flights from Idaho Falls to Washington Dulles Intl are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington Dulles Intl.
Travelers have found it’s best to book a flight 28 days in advance to save up to 11% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 28 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Idaho Falls to Washington Dulles Intl 1-2 weeks in advance for as low as $252, or $276 for flights within the next 24 hours.
February can be a great time to fly to Washington Dulles Intl from Idaho Falls with a flight ticket averaging about $243. Cheapflights users have found deals in the month of February for as cheap as $119. The most expensive prices can be found in the month of December.
One of the essential ways to save on airfare from Idaho Falls to Washington Dulles Intl is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. If a flight is in the noon is possible it can save you up to 31% on airfare.