How much is a flight from Washington Dulles to Idaho Falls?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Washington and Idaho Falls.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Washington Dulles - Idaho Falls route.

Which departure and arrival airports are available?

Between Washington and Idaho Falls, flight options may depend on the combination of airports available.

• Airports in Washington: Washington is connected by 3 airports - Dulles international, Ronald Reagan, Washington International.
• Airports in Idaho Falls: Idaho Falls - Fanning Field is the only active airport in the area.

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Refine your flight search from Washington Dulles to Idaho Falls

With Jetcost, it’s easy to narrow down results to find flights that match your schedule and preferences. You can filter by airline, price, trip type, and more — including offers from the best airlines and travel agencies.

Other popular destinations

Also looking at United States? These cities are trending: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Online agencies can show different offers for the same flight — it’s worth comparing. Filters let you narrow things down further, like selecting a specific time slot to find flights that suit you best.