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.

$395 CHEAP FLIGHTS from District of Columbia to Idaho Falls

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Flight Deals

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

Thu, Feb 4 - Mon, Feb 8

7:15 am - 12:27 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

7h 12m1 stop Salt Lake City

1:10 pm - 11:46 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 36m1 stop Salt Lake City

$399Delta

Fri, Oct 23 - Tue, Oct 27

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

9h 20m1 stop Chicago O'Hare Intl

1:39 pm - 11:59 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

8h 20m1 stop Dallas/Fort Worth

$399American Airlines

Fri, Oct 23 - Tue, Oct 27

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

Mon, Oct 19 - Mon, Oct 26

6:00 am - 2:39 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

10h 39m1 stop Las Vegas Harry Reid Intl

7:30 pm - 6:20 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 50m1 stop Las Vegas Harry Reid Intl

$401Multiple Airlines

Thu, Dec 24 - Wed, Jan 6

2:25 pm - 9:19 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 54m1 stop Denver Intl

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

6h 38m1 stop Denver Intl

$418United Airlines

Thu, Dec 24 - Wed, Jan 6

2:25 pm - 9:19 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 54m1 stop Denver Intl

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

6h 38m1 stop Denver Intl

$418United Airlines

Fri, Oct 23 - Tue, Oct 27

5:33 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

23h 47m1 stop Seattle/Tacoma Intl

6:09 am - 4:30 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 21m1 stop Seattle/Tacoma Intl

$429Alaska 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

$459Alaska Airlines

Fri, Oct 23 - Tue, Oct 27

5:33 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

23h 47m1 stop Seattle/Tacoma Intl

6:09 am - 4:30 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 21m1 stop Seattle/Tacoma Intl

$459Alaska Airlines

Thu, Dec 24 - Wed, Jan 6

4:01 pm - 9:19 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

7h 18m1 stop Denver Intl

7:00 am - 2:56 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

5h 56m1 stop Denver Intl

$487United Airlines

Recent last minute flight deals from District of Columbia to Idaho Falls

Mon, Sep 21 - Sun, Sep 27

7:47 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

21h 33m2 stops San Diego Seattle/Tacoma Intl

6:18 am - 4:54 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 36m1 stop Seattle/Tacoma Intl

$2,445Alaska Airlines

Mon, Sep 21 - Sun, Sep 27

7:47 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

21h 33m2 stops San Diego Seattle/Tacoma Intl

6:18 am - 5:40 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

21h 22m1 stop Seattle/Tacoma Intl

$2,755Alaska Airlines

Mon, Sep 21 - Sun, Sep 27

5:57 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

23h 23m1 stop Seattle/Tacoma Intl

6:18 am - 4:54 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 36m1 stop Seattle/Tacoma Intl

$3,330Alaska Airlines

Mon, Sep 21 - Sun, Sep 27

3:15 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 07m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:57 pm - 11:45 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

14h 48m2 stops Salt Lake City New York John F Kennedy Intl

$5,426Delta

Mon, Sep 21 - Sun, Sep 27

6:10 am - 12:15 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

8h 05m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:05 pm - 11:43 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 38m1 stop Salt Lake City

$5,570Delta

Mon, Sep 21 - Sun, Sep 27

3:15 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 07m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:57 pm - 9:09 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

12h 12m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$5,575Delta

Mon, Sep 21 - Sun, Sep 27

12:26 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

11h 56m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:57 pm - 9:09 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

12h 12m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$5,575Delta

Mon, Sep 21 - Sun, Sep 27

12:26 pm - 10:22 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

11h 56m2 stops Atlanta Hartsfield-Jackson Salt Lake City

6:57 pm - 9:09 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

12h 12m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$5,580Delta

Useful Info

Low season	March
High season	July
Cheapest flight	$395

Best time to beat the crowds but there is an average 11% increase in price.

Most popular time to fly with an average 2% increase in price.

Flight from Washington, D.C. to Idaho Falls

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.