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Flights from Idaho Falls to Washington D.C. Starting at $201

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to fly from Idaho Falls to Washington D.C.?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find cheap airlines flights from Idaho Falls to Washington D.C.

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Alaska Airlines
From $201
United Airlines
From $216
Delta Air Lines
From $337
American Airlines
From $356
ANA airlines

Find more flights and airlines

Alternative Cheap Routes from Idaho Falls to Washington D.C.

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Idaho Falls to Washington D.C..

  • Cheapest
    Alaska Airlines
    IDA
    06:00
    9h 8m
    1 transfer
    IAD
    17:08
    Idaho Falls Regional Airport - Dulles International Airport
    Sat, May 25Alaska Airlines
    $201
  • United Airlines
    IDA
    17:56
    16h 13m
    1 transfer
    DCA
    12:09
    Idaho Falls Regional Airport - Ronald Reagan Washington National Airport
    Mon, May 20United Airlines
    $216
  • United Airlines
    IDA
    17:56
    16h 13m
    1 transfer
    DCA
    12:09
    Idaho Falls Regional Airport - Ronald Reagan Washington National Airport
    Mon, May 20United Airlines
    $216
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Idaho Falls (IDA) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Idaho Falls to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Idaho Falls (IDA) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around $723.

Travel Info | Idaho Falls to Washington D.C.

Cheapest nonstop flight price

$201

Off-season for travel

April

Peak season for travel

December