
Popular airlines from Ronald Reagan National Airport (DCA) to Idaho Falls Regional Airport (IDA)
- Alaska Airlines
Alaska Airlines
- United
United
- Delta
Delta
- American Airlines
American Airlines
- Hawaiian Airlines
Hawaiian Airlines
- Plan, book, fly with confidence
trending down icon Be in the knowGet alerts if flight prices drop or rise*bex rewards loyalty icon Book smarterSave up to 35% on select hotels after you book a flight*payments icon
Find the cheapest month to fly from Washington (DCA) to Idaho Falls (IDA)
February is typically the cheapest month to fly
Frequently asked questions
Travel information
Travel information
Origin airport | Ronald Reagan Washington National |
Destination airport | Idaho Falls Regional |
Distance | 2936 km |
Book with confidence
Book with confidence
Your quick guide to flights from Washington to Idaho Falls
Pick up great flights from Washington to Idaho Falls
With Expedia, you have your pick of flights a day with airlines covering flights from Washington to Idaho Falls. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Idaho Falls that take around hours.
Find cheap flights from Washington to Idaho Falls
From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Idaho Falls around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Idaho Falls is normally in .
Reasons to book your flight from Washington to Idaho Falls with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Idaho Falls across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Idaho Falls right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.