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Find cheap flights from District of Columbia to Idaho Falls from $265

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Idaho Falls departing on 7/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/6
Thu 6/13

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In the last 7 days travelers have searched 43,707,506 times on KAYAK, and here is why:

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Good to know

Low season

March

High season

July

Cheapest flight

$265
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly and prices are also 10% lower on average.
Flight from Reagan Washington National Airport to Idaho Falls

FAQs for booking flights from District of Columbia 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.

See more FAQs

Prefer to fly non-stop from District of Columbia to Idaho Falls?

Find which airlines fly direct from District of Columbia to Fanning Field, which days they fly and book direct flights.

Nonstop departures

District of Columbia to Idaho Falls Fanning Field

Monday

Aeromexico, Air France, Alaska Airlines, +6 more

Aeromexico, Air France, +7 more

Tuesday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

Wednesday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

Thursday

Aeromexico, Air France, Alaska Airlines, +8 more

Aeromexico, Air France, +9 more

Friday

Aeromexico, Air France, Alaska Airlines, +6 more

Aeromexico, Air France, +7 more

Saturday

Aeromexico, Air France, Alaska Airlines, +8 more

Aeromexico, Air France, +9 more

Sunday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

See more direct flights

Nonstop returns

Idaho Falls Fanning Field to District of Columbia

Monday

Aeromexico, Air France, Alaska Airlines, +6 more

Aeromexico, Air France, +7 more

Tuesday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

Wednesday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

Thursday

Aeromexico, Air France, Alaska Airlines, +8 more

Aeromexico, Air France, +9 more

Friday

Aeromexico, Air France, Alaska Airlines, +6 more

Aeromexico, Air France, +7 more

Saturday

Aeromexico, Air France, Alaska Airlines, +8 more

Aeromexico, Air France, +9 more

Sunday

Aeromexico, Air France, Alaska Airlines, +7 more

Aeromexico, Air France, +8 more

See more direct flights
See more direct flights

Book cheap flights from District of Columbia to Idaho Falls

Recent round-trip flight deals

5/31Fri
1 stopDelta
7h 13mIAD-IDA
6/4Tue
2 stopsDelta
19h 45mIDA-IAD
$506
6/3Mon
1 stopDelta
7h 13mIAD-IDA
6/6Thu
1 stopDelta
8h 22mIDA-IAD
$530
6/3Mon
1 stopDelta
6h 48mDCA-IDA
6/6Thu
2 stopsDelta
12h 00mIDA-DCA
$535
6/3Mon
1 stopDelta
7h 13mIAD-IDA
6/6Thu
2 stopsDelta
11h 45mIDA-IAD
$535
5/27Mon
1 stopUnited Airlines
6h 56mIAD-IDA
5/30Thu
1 stopUnited Airlines
8h 37mIDA-IAD
$570
7/16Tue
1 stopUnited Airlines
17h 20mIAD-IDA
7/23Tue
1 stopUnited Airlines
9h 25mIDA-IAD
$590
7/16Tue
2 stopsAlaska Airlines
23h 39mIAD-IDA
7/23Tue
1 stopAlaska Airlines
23h 35mIDA-IAD
$609
8/10Sat
2 stopsAlaska Airlines
18h 47mIAD-IDA
8/17Sat
1 stopAlaska Airlines
13h 44mIDA-IAD
$653
5/27Mon
1 stopAmerican Airlines
8h 34mDCA-IDA
5/30Thu
1 stopAmerican Airlines
7h 45mIDA-DCA
$666
5/27Mon
1 stopAmerican Airlines
8h 34mDCA-IDA
5/30Thu
2 stopsAmerican Airlines
9h 13mIDA-DCA
$671

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Recent one-way flight deals

7/31Wed
2 stopsDelta
8h 18mDCA-IDA
$265
7/31Wed
2 stopsDelta
9h 19mIAD-IDA
$265
5/29Wed
1 stopAlaska Airlines
18h 57mIAD-IDA
$272
7/23Tue
1 stopUnited Airlines
23h 22mIAD-IDA
$279
7/23Tue
2 stopsDelta
11h 33mDCA-IDA
$280
5/29Wed
2 stopsUnited Airlines
14h 48mDCA-IDA
$284
5/29Wed
2 stopsUnited Airlines
14h 33mIAD-IDA
$284
5/29Wed
1 stopAlaska Airlines
8h 12mDCA-IDA
$309
7/23Tue
1 stopAmerican Airlines
8h 07mDCA-IDA
$391
7/31Wed
1 stopAmerican Airlines
9h 06mIAD-IDA
$391

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Last minute flights from District of Columbia to Idaho Falls

Last minute flight, train and bus deals

5/12Sun
multi-stopAmerican Airlines
10h 22mDCA-IDA
5/13Mon
multi-stopAmerican Airlines
7h 45mIDA-DCA
$740
5/12Sun
multi-stopAmerican Airlines
11h 47mDCA-IDA
5/13Mon
multi-stopAmerican Airlines
7h 45mIDA-DCA
$745
5/12Sun
multi-stopDelta
7h 13mIAD-IDA
5/14Tue
multi-stopDelta
12h 07mIDA-IAD
$745
5/11Sat
multi-stopUnited Airlines
6h 33mIAD-IDA
5/14Tue
multi-stopUnited Airlines
14h 47mIDA-IAD
$790
5/12Sun
multi-stopDelta
7h 13mIAD-IDA
5/13Mon
multi-stopDelta
8h 22mIDA-IAD
$806
5/12Sun
multi-stopAmerican Airlines
7h 54mIAD-IDA
5/14Tue
multi-stopAmerican Airlines
9h 56mIDA-IAD
$809
5/12Sun
multi-stopAmerican Airlines
9h 42mIAD-IDA
5/13Mon
multi-stopAmerican Airlines
9h 56mIDA-IAD
$813
5/12Sun
multi-stopDelta
8h 28mIAD-IDA
5/13Mon
multi-stopDelta
8h 22mIDA-IAD
$833
5/12Sun
multi-stopDelta
8h 28mIAD-IDA
5/14Tue
multi-stopDelta
12h 07mIDA-IAD
$838
5/12Sun
multi-stopAmerican Airlines
8h 09mDCA-IDA
5/13Mon
multi-stopAmerican Airlines
7h 45mIDA-DCA
$854

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Flights to Idaho Falls

Destination:

Idaho Falls (IDA)United States

Return flight deals:

Idaho Falls - District of Columbia

Cabin classes: