£319 Cheap Flights from Washington (IAD) to Idaho Falls (IDA)

View £319 flight on Fri, 12 Jun 2026Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Idaho Falls Regional Airport (IDA)

Cheap Flights from Washington (IAD) to Idaho Falls (IDA)

Prices were available within the past 7 days and start at £319 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much is a flight from IAD to Idaho Falls Regional Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from IAD to Idaho Falls Regional Airport was . Fares this good don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Idaho Falls Regional Airport?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from IAD to Idaho Falls Regional Airport (IDA) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for IAD to Idaho Falls Regional Airport (IDA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Idaho Falls Regional Airport?
It's around 2,900 kilometres between Chantilly and Idaho Falls, so expect to be up in the air for a while. Keep yourself occupied by packing things like crossword puzzles or a good old-fashioned book.
Which airlines fly direct from Dulles Intl. Airport to Idaho Falls Regional Airport?
If you want to travel straight from Washington Dulles Intl. Airport (IAD) to Idaho Falls Regional Airport, you'll need to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route.
Are Dulles Intl. Airport to Idaho Falls Regional Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices go up and down like a yo-yo, so there are no guarantees. While last-minute flight deals between Dulles Intl. Airport and IDA are possible, it also makes sense to monitor prices well before you fly. In fact, some carriers publish their prices up to 12 months before the departure date. Expedia is constantly updating the biggest airfare bargains around, so keep checking back and be ready to book when the fares dip.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Idaho Falls Regional
Distance
2900 km

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