Cheap flights from Idaho Falls to Washington, D.C. from $197
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Washington, D.C. departing on 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Idaho Falls to Washington, D.C.
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Alaska Airlines flights from Idaho Falls to Washington, D.C.
Our best Alaska Airlines deals on Idaho Falls to Washington, D.C. flight tickets
United Airlines flights from Idaho Falls to Washington, D.C.
Our best United Airlines deals on Idaho Falls to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Idaho Falls to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Idaho Falls and Washington, D.C.?
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Idaho Falls is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $608. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to Washington, D.C. for around $853.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
At noon is the cheapest time of day to fly from Idaho Falls to Washington, D.C. when you can find flight prices for as low as $671. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $737. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest airline that flies from Idaho Falls Fanning Field to Washington, D.C.?
Hawaiian Airlines, Delta, and United Airlines are the most popular carriers operating from Idaho Falls Fanning Field to Washington, D.C.
What airlines fly to Washington, D.C.?
United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Washington, D.C. from Idaho Falls according to our data. United Airlines is the first choice among our users, with 74% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 3 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
When to book flights from Idaho Falls to Washington, D.C.
Cheap Idaho Falls to Washington, D.C. (IDA to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Washington, D.C.
Best Price Found | $197 |
|---|---|
Fastest flight time | 6h 32m |
Direct flights | None |
Airports in Washington, D.C. | 3 airports |
How far is Idaho Falls Fanning Field to Washington, D.C. by plane?
There are 1831.8 mi between Idaho Falls Fanning Field and Washington, D.C.. A reasonable flight in good conditions will take 7h 14m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C.?
Prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington, D.C.?
As of April 2025, there are 3 operators available to choose from for flights from Idaho Falls Fanning Field Airport to Washington, D.C..
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Idaho Falls to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Idaho Falls to Washington, D.C. is United Airlines (100% of total bookings).
Best airlines flying from Idaho Falls to Washington, D.C.
Compare and see reviews for airlines that fly from Idaho Falls to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $338 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $369 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $394 | Free Cancellation | Rating 7.4 8,685 reviews |
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho Falls to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Washington, D.C. for you.
Can I find flights from Idaho Falls to Washington, D.C. with flexible booking policies on momondo?
momondo does allow users to show only those flights to Washington, D.C. from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Idaho Falls to Washington, D.C.?
Once all potential Idaho Falls to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Idaho Falls to Washington, D.C. right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Idaho Falls to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.