How does KAYAK find such low prices on flights from District of Columbia to Idaho Falls?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Idaho Falls.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Idaho Falls?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Idaho Falls from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to Idaho Falls?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Idaho Falls with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Idaho Falls?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Idaho Falls from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$225 CHEAP FLIGHTS from District of Columbia to Idaho Falls

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Cheap Flights from District of Columbia to Idaho Falls

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

Round-trip

One-way

Last minute

Recent round-trip flight deals from District of Columbia to Idaho Falls

Tue, Oct 20 - Fri, Oct 23

7:02 am - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

10h 18m1 stop Seattle/Tacoma Intl

1:58 pm - 11:59 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 01m1 stop Seattle/Tacoma Intl

$379Alaska Airlines

Thu, Oct 22 - Wed, Oct 28

7:45 am - 1:20 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

7h 35m1 stop Chicago O'Hare Intl

1:50 pm - 11:59 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

8h 09m1 stop Chicago O'Hare Intl

$399American Airlines

Tue, Oct 20 - Fri, Oct 23

7:02 am - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

10h 18m1 stop Seattle/Tacoma Intl

1:58 pm - 11:59 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 01m1 stop Seattle/Tacoma Intl

$399Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

6:00 am - 1:20 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

9h 20m1 stop Chicago O'Hare Intl

1:50 pm - 11:59 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

8h 09m1 stop Chicago O'Hare Intl

$399American Airlines

Fri, Oct 23 - Tue, Oct 27

3:08 pm - 9:42 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 34m1 stop Dallas/Fort Worth

1:39 pm - 11:23 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

7h 44m1 stop Dallas/Fort Worth

$399American Airlines

Thu, Oct 22 - Wed, Oct 28

7:02 am - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

10h 18m1 stop Seattle/Tacoma Intl

1:58 pm - 11:59 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 01m1 stop Seattle/Tacoma Intl

$419Alaska Airlines

Tue, Oct 20 - Fri, Oct 23

7:02 am - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

10h 18m1 stop Seattle/Tacoma Intl

1:58 pm - 11:59 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 01m1 stop Seattle/Tacoma Intl

$434Alaska Airlines

Mon, Sep 28 - Fri, Oct 2

6:35 am - 1:24 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 49m1 stop Denver Intl

2:28 pm - 11:25 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

6h 57m1 stop Denver Intl

$469United Airlines

Thu, Oct 22 - Mon, Oct 26

6:35 am - 1:24 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 49m1 stop Denver Intl

2:35 pm - 11:13 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Denver Intl

$540United Airlines

Fri, Oct 30 - Sun, Nov 1

6:10 am - 1:28 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 18m1 stop Denver Intl

2:35 pm - 11:15 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

6h 40m1 stop Denver Intl

$543United Airlines