IDA - WAS

$270 Find Cheap Flights from Idaho Falls to Washington, D.C. - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$379
Typical prices: $466-$840
American Airlines
Mon 12/3Sun 12/9
IDA - BWI • 1 stop
Cheapest one-way
$270
Typical prices: $242-$404
Delta
Sat 10/13
IDA - BWI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Idaho Falls and Washington, D.C.. You'll need to take a connecting flight to reach the destination.
Insights
Insights
Top routes
IDA - IAD
Cheapest • 8% average savings
IDA - DCA
Most popular
Insights
Insights
When to travel
October
Cheapest • 29% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $486 (round-trip)
Denver Intl (DEN)
Shortest trip • 7h 12m (one-way)
Insights
Insights
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We hope you love your trip to Washington, D.C.!
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Booking Insights
Flight Deals

Cheap Flights from Idaho Falls to Washington, D.C. (IDA-WAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Idaho Falls to Washington, D.C.

Thu, Dec 3 - Wed, Dec 9
American Airlines Logo
1:35 pm - 10:53 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
7h 18m1 stop Dallas/Fort Worth
American Airlines Logo
6:45 am - 1:05 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
8h 20m1 stop Dallas/Fort Worth
$379American Airlines
Thu, Dec 3 - Wed, Dec 9
American Airlines Logo
8:00 am - 6:19 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 19m1 stop Dallas/Fort Worth
American Airlines Logo
7:14 am - 1:05 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 51m1 stop Dallas/Fort Worth
$399American Airlines
Thu, Dec 10 - Tue, Jan 5
Delta Logo
5:35 am - 4:48 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
9h 13m1 stop Salt Lake City
Delta Logo
5:00 pm - 10:19 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
7h 19m1 stop Salt Lake City
$399Delta
Thu, Dec 3 - Wed, Dec 9
American Airlines Logo
1:35 pm - 11:59 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
8h 24m1 stop Dallas/Fort Worth
American Airlines Logo
7:12 am - 1:05 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
7h 53m1 stop Dallas/Fort Worth
$399American Airlines
Thu, Oct 29 - Wed, Nov 4
American Airlines Logo
1:50 pm - 11:59 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
8h 09m1 stop Chicago O'Hare Intl
American Airlines Logo
7:12 am - 1:05 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
7h 53m1 stop Dallas/Fort Worth
$399American Airlines
Thu, Dec 10 - Tue, Jan 5
Delta Logo
5:35 am - 5:59 pmIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
10h 24m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky
Delta Logo
5:00 pm - 10:19 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
7h 19m1 stop Salt Lake City
$404Delta
Wed, Dec 9 - Tue, Jan 5
Delta Logo
6:59 pm - 9:15 amIDA  Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National
12h 16m2 stops Salt Lake City Atlanta Hartsfield-Jackson
Delta Logo
5:00 pm - 10:19 pmDCA  Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field
7h 19m1 stop Salt Lake City
$404Delta
Fri, Dec 11 - Tue, Jan 5
United Airlines Logo
2:40 pm - 10:59 pmIDA  Idaho Falls Fanning Field-BWI Baltimore/Washington
6h 19m1 stop Denver Intl
United Airlines Logo
4:10 pm - 9:08 pmBWI  Baltimore/Washington-IDA Idaho Falls Fanning Field
6h 58m1 stop Denver Intl
$414United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
10:35 am - 7:30 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 55m1 stop Denver Intl
United Airlines Logo
6:10 am - 1:28 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 18m1 stop Denver Intl
$453United Airlines
Mon, Dec 21 - Wed, Dec 30
United Airlines Logo
2:37 pm - 12:59 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 22m1 stop Denver Intl
United Airlines Logo
2:25 pm - 9:19 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 54m1 stop Denver Intl
$454United Airlines
Booking Insights

Price, demand and travel trends for Idaho Falls to Washington, D.C. flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Idaho Falls to Washington, D.C.?

Round-trip flights from Idaho Falls to Washington, D.C. typically range from $466 to $840. The lowest price found in the past 5 days was $379, on American Airlines.

What is the cheapest Idaho Falls to Washington, D.C. flight route?

Idaho Falls (IDA) to Washington, D.C. Dulles Intl Airport (IAD) is the cheapest Idaho Falls to Washington, D.C. route, averaging $528 round-trip. Other Idaho Falls to Washington, D.C. routes average $620, based on KAYAK data over the past 12 months.

What's the cheapest day of the week to fly from Idaho Falls to Washington, D.C.?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Idaho Falls to Washington, D.C.. It’s 12% cheaper than the average day, while Sunday is the most expensive, with prices 59% higher.

What’s the cheapest month to fly from Idaho Falls to Washington, D.C.?

•October is the cheapest month to fly from Idaho Falls to Washington, D.C. at $422 round-trip.
•November ($945) and September ($881) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 123% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Idaho Falls to Washington, D.C. flights

Low season

December

Cheapest flight

$270
Beat the crowds with an average 41% drop in travelers.
One-way flight from Idaho Falls to Baltimore

When to book flights from Idaho Falls to Washington, D.C.

Are your dates flexible? Find out the best times to travel from Idaho Falls to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Idaho Falls to Washington, D.C. flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Idaho Falls to Washington, D.C.?

    Only Economy Class is available on flights from Idaho Falls to Washington, D.C..

  • How long is a flight from Idaho Falls to Washington, D.C.?

    A nonstop flight from Idaho Falls to Washington, D.C. takes 00m, covering 1,833 miles.

  • Do I need a passport to fly from Idaho Falls to Washington, D.C.?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Idaho Falls to Washington, D.C. flight?

    Round-trip flights from Idaho Falls to Washington, D.C. range from $466 to $840, with an average of $597 over the past 12 months. Anything below $466 counts as a good deal.

  • Have flight prices from Idaho Falls to Washington, D.C. changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $379 to $2,237. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Idaho Falls to Washington, D.C. looking right now?

    One-way fares from Idaho Falls to Washington, D.C. are currently higher than usual. Average one-way flight prices are about $424, which is 23% above the typical average for this route.

  • What car rental options are available in Washington, D.C.?

    Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:

    • Sixt
    • Dollar
    • Thrifty
    • Alamo
    • Budget

    Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:

    • Dollar
    • Budget
    • Hertz
    • Sixt
    • Thrifty

  • Which airports can I use when flying from Idaho Falls to Washington, D.C.?

    Flights from Idaho Falls to Washington, D.C. usually depart from Idaho Falls Fanning Field (IDA) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).

  • Which airports do connecting flights from Idaho Falls to Washington, D.C. pass through?

    One-stop flights from Idaho Falls to Washington, D.C. most commonly connect through:

    • Denver Intl (DEN) - 37% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 25% of one-stop connections
    • Dallas/Fort Worth (DFW) - 14% of one-stop connections
    • Salt Lake City (SLC) - 14% of one-stop connections

  • Can I save money by using flexible dates for flights from Idaho Falls to Washington, D.C.?

    Yes. Flexible dates can save you up to 45% on flights from Idaho Falls to Washington, D.C.. Wednesday is the cheapest departure day at $528 round-trip on average, while Sunday is the most expensive at $951, a difference of $423.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Idaho Falls to Washington, D.C.?

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 12m, compared with 7h 31m via Chicago O'Hare Intl (ORD) and 7h 47m via Salt Lake City (SLC).

  • What is the time difference between Idaho Falls and Washington, D.C.?

    Washington, D.C. is 2 hours ahead of Idaho Falls (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Washington, D.C.?

    Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.

Your guide to booking Idaho Falls to Washington, D.C. flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average $528, about $423 less than Sunday fares (44% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Idaho Falls to Washington, D.C. trip for October. Fares historically average $422 round-trip in that month - typically $523 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Washington, D.C. Reagan-National Airport.

    • Hyatt House Washington DC The Wharf
    • Intercontinental Hotels Washington D.C. - The Wharf By IHG
    • Pendry Washington DC - The Wharf

More options for your flight from Idaho Falls to Washington, D.C.

Complete your trip to Washington, D.C. with a hotel stay or car rental

Car rentals in Washington, D.C.
Hotels in Washington, D.C.
Vacations in Washington, D.C.