$197 Find Cheap Flights from Idaho Falls to Reagan Washington National Airport - Compare and Save

In the last 5 days, the lowest price for a flight from Idaho Falls to Washington, D.C. Reagan-National Airport was $197 for a one-way ticket and $359 for a round-trip.

A passport is not required to fly from Idaho Falls to Reagan Washington National Airport.

We unfortunately don’t have that data for this specific route.

oneworld is the only airline alliance operating flights between Idaho Falls and Reagan Washington National Airport.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho Falls to Reagan Washington National Airport.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Reagan Washington National Airport from Idaho Falls is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Reagan Washington National Airport with an airline and back to Idaho Falls with another airline. Booking your flights between Idaho Falls and DCA can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Reagan Washington National Airport from Idaho Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.