IAD - IDA

$180 Find Cheap Flights from Washington, D.C. to Idaho Falls - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$359
Typical prices: $468-$721
United Airlines
Tue 9/11Fri 9/14
IAD - IDA • 1 stop
Cheapest one-way
$180
Typical prices: $264-$475
Alaska Airlines
Sun 10/14
IAD - IDA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and Idaho Falls. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
November
Cheapest • 35% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Denver Intl (DEN)
Cheapest • Avg $545 (round-trip)
Chicago O'Hare Intl (ORD)
Shortest trip • 4h 21m (one-way)
Insights
Insights
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Flight Deals

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

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

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

Fri, Sep 11 - Mon, Sep 14
United Airlines Logo
2:43 pm - 9:18 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 35m1 stop Denver Intl
United Airlines Logo
4:04 pm - 12:32 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 28m1 stop Denver Intl
$359United Airlines
Sun, Nov 8 - Thu, Nov 12
United Airlines Logo
6:10 am - 1:28 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 18m1 stop Denver Intl
United Airlines Logo
2:35 pm - 11:15 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
6h 40m1 stop Denver Intl
$379United Airlines
Mon, Aug 31 - Fri, Sep 4
United Airlines Logo
8:15 am - 1:29 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 14m1 stop Denver Intl
United Airlines Logo
2:25 pm - 12:32 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 07m1 stop Denver Intl
$429United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
10:10 am - 3:23 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
7h 13m1 stop Denver Intl
United Airlines Logo
7:00 am - 5:53 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 53m1 stop Denver Intl
$429United Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
2:42 pm - 9:43 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 01m1 stop Dallas/Fort Worth
American Airlines Logo
1:35 pm - 11:29 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
7h 54m1 stop Dallas/Fort Worth
$439American Airlines
Mon, Oct 26 - Fri, Oct 30
Multiple Airlines Logo
6:00 am - 12:36 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
8h 36m1 stop Las Vegas Harry Reid Intl
Multiple Airlines Logo
8:28 pm - 12:28 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
26h 00m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
$446Multiple Airlines
Thu, Dec 3 - Mon, Dec 7
American Airlines Logo
2:42 pm - 9:43 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 01m1 stop Dallas/Fort Worth
American Airlines Logo
11:38 am - 5:38 amIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
16h 00m2 stops Phoenix Sky Harbor Intl Los Angeles
$448American Airlines
Tue, Nov 10 - Sat, Nov 14
Alaska Airlines Logo
7:46 am - 3:18 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
9h 32m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:04 am - 4:14 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 10m1 stop Seattle/Tacoma Intl
$479Alaska Airlines
Sat, Sep 19 - Wed, Sep 23
Alaska Airlines Logo
7:00 am - 3:20 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
10h 20m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
2:01 pm - 11:59 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
7h 58m1 stop Seattle/Tacoma Intl
$479Alaska Airlines
Fri, Oct 2 - Mon, Oct 5
Alaska Airlines Logo
5:57 pm - 3:20 pmIAD  Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field
23h 23m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:58 pm - 11:59 pmIDA  Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl
8h 01m1 stop Seattle/Tacoma Intl
$479Alaska Airlines
Booking Insights

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

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Washington, D.C. Dulles Intl Airport to Idaho Falls with more confidence.

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

Round-trip flights from Washington, D.C. Dulles Intl Airport to Idaho Falls start at $359. Prices are below average for this route right now, with typical round-trip fares ranging from $468 to $721. The lowest price found in the past 5 days was $359 on United Airlines.

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

Wednesday is the cheapest day of the week to fly from Washington, D.C. Dulles Intl Airport to Idaho Falls, it is 16% cheaper than the average day. Thursday is the most expensive day with flight prices 37% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

Low season

February

Cheapest flight

$180
Most popular time to fly with an average 15% increase in price.
Flight from Washington, D.C. Dulles Intl Airport to Idaho Falls

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

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

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

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

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

    Flights from Washington, D.C. Dulles Intl Airport to Idaho Falls usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at Idaho Falls Fanning Field (IDA).

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

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

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

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

    • Denver Intl (DEN) - 55% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 27% of one-stop connections
    • Salt Lake City (SLC) - 10% of one-stop connections
    • Dallas/Fort Worth (DFW) - 6% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 39% on the Washington, D.C. Dulles Intl Airport to Idaho Falls route. Wednesday is the cheapest departure day at $463 round-trip on average, while Thursday is the most expensive at $755, a difference of $292. 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 long is a flight from Washington, D.C. Dulles Intl Airport to Idaho Falls?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to Idaho Falls takes 0h 00m, covering 1,811 miles.

  • What are the earliest and latest flights from Washington, D.C. Dulles Intl Airport to Idaho Falls?

    These are the earliest and latest flight times available from Washington, D.C. Dulles Intl Airport to Idaho Falls:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    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 are flight prices from Washington, D.C. Dulles Intl Airport to Idaho Falls looking right now?

    One-way fares from Washington, D.C. Dulles Intl Airport to Idaho Falls are currently lower than usual. Average one-way flight prices are about $236, which is 37% below the typical average for this route.

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 4h 21m, compared with 7h 30m via Denver Intl (DEN) and 8h 03m via Salt Lake City (SLC).

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

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

  • What car rental options are available at Idaho Falls Fanning Field Airport (IDA)?

    Idaho Falls Fanning Field Airport (IDA) hosts 5 major car rental companies, with daily rates starting from around $34 for economy cars. Top options include:
    · Alamo
    · Hertz
    · Enterprise Rent-A-Car
    · Budget
    · National

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

    Round-trip flights from Washington, D.C. Dulles Intl Airport to Idaho Falls range from $468 to $721, with an average of $548 over the past 12 months. Anything below $468 counts as a good deal.

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

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Thursday. On this route, Wednesday flights average $463 - about $292 less than Thursday (39% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to Idaho Falls trip for November. Fares historically average $358 round-trip in that month - typically $437 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Idaho Falls Fanning Field Airport.
    - Best Western Driftwood Inn
    - Hilton Garden Inn Idaho Falls
    - Hampton Inn Idaho Falls/Airport

Everything you need to know for your flight from Washington, D.C. to Idaho Falls

Information on your arrival and departure airports

Washington, D.C. (IAD)
Idaho Falls (IDA)