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Idaho Falls

$216+ Cheap flights from District of Columbia to Idaho Falls (IDA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IDA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from District of Columbia to Idaho Falls

Keep the following information in mind while searching for District of Columbia to Idaho Falls flight deals. Data was last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$377
(Alaska Airlines)

One-way from

$216
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$738
Provider with most accurate pricing for Washington, D.C. (WAS)-Idaho Falls Fanning Field flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Idaho Falls Fanning Field flights.
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From District of Columbia to Idaho Falls Fanning Field
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One-way flight from District of Columbia to Idaho Falls Fanning Field
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Highest demand for flights based on searches. 5% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from District of Columbia to Idaho Falls

Cheapest flights from District of Columbia to Idaho Falls
Explore the most affordable flight options available from District of Columbia to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:30 amIAD - IDA
1 stop11h 10mAlaska Airlines
Tue 6/36:00 amIDA - IAD
1 stop9h 15mAlaska Airlines
Deal found 4/28$377
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/271:00 pmIAD - IDA
2 stops11h 51mDelta
Mon 6/212:30 pmIDA - IAD
1 stop8h 58mDelta
Deal found 4/28$383
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/206:59 amDCA - IDA
1 stop7h 11mAmerican Airlines
Wed 8/2712:46 pmIDA - DCA
1 stop7h 29mAmerican Airlines
Deal found 4/28$395
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/65:36 pmIAD - IDA
1 stop7h 15mUnited Airlines
Mon 6/92:25 pmIDA - IAD
1 stop8h 09mUnited Airlines
Deal found 4/28$395
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/412:24 pmDCA - IDA
2 stops12h 31mDelta
Mon 7/146:52 pmIDA - DCA
2 stops11h 44mDelta
Deal found 4/28$405
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/308:00 amDCA - IDA
1 stop9h 40mAlaska Airlines
Wed 6/46:00 amIDA - DCA
2 stops13h 05mAlaska Airlines
Deal found 4/29$428
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:27 amIAD - IDA
1 stop8h 50mAmerican Airlines
Sat 8/21:47 pmIDA - IAD
1 stop6h 59mAmerican Airlines
Deal found 4/28$551
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:25 amDCA - IDA
2 stops10h 00mUnited Airlines
Mon 5/195:00 amIDA - DCA
2 stops16h 59mUnited Airlines
Deal found 4/28$589
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:00 amDCA - IDA
1 stop9h 23mHawaiian Airlines
Fri 8/86:15 amIDA - DCA
1 stop8h 28mHawaiian Airlines
Deal found 4/28$793

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from District of Columbia to Idaho Falls that are best for you.

Fly from

District of Columbia

Fly to

Idaho Falls

Route

Depart

Return

Price

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sun 5/25

9:00 am-3:40 pm

1 stop8h 40m

Idaho Falls Fanning Field

Wed 6/4

6:00 am-5:15 pm

1 stop9h 15m

$377

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 5/27

1:00 pm-10:51 pm

2 stops11h 51m

Idaho Falls Fanning Field

Mon 6/2

12:30 pm-11:28 pm

1 stop8h 58m

$383

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 8/20

6:59 am-12:10 pm

1 stop7h 11m

Idaho Falls Fanning Field

Wed 8/27

12:46 pm-10:15 pm

1 stop7h 29m

$395

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Fri 6/6

5:36 pm-10:51 pm

1 stop7h 15m

Idaho Falls Fanning Field

Mon 6/9

2:25 pm-12:34 am

1 stop8h 09m

$395

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 7/4

12:24 pm-10:55 pm

2 stops12h 31m

Idaho Falls Fanning Field

Mon 7/14

6:52 pm-8:36 am

2 stops11h 44m

$405

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 5/30

8:00 am-3:40 pm

1 stop9h 40m

Idaho Falls Fanning Field

Wed 6/4

6:00 am-9:05 pm

2 stops13h 05m

$428

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Thu 7/24

6:27 am-1:17 pm

1 stop8h 50m

Idaho Falls Fanning Field

Sat 8/2

1:47 pm-10:46 pm

1 stop6h 59m

$551

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Thu 5/15

7:25 am-3:25 pm

2 stops10h 00m

Idaho Falls Fanning Field

Mon 5/19

5:00 am-11:59 pm

2 stops16h 59m

$589

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sun 8/3

8:00 am-3:23 pm

1 stop9h 23m

Idaho Falls Fanning Field

Fri 8/8

6:15 am-4:43 pm

1 stop8h 28m

$793

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 5/28

7:25 pm-10:34 pm

2 stops29h 09m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 17 results
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Best time to book a flight from District of Columbia to Idaho Falls

Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Idaho Falls

What is the cheapest month to book a flight from District of Columbia to Idaho Falls?

Currently, October is the cheapest month in which you can book a flight from District of Columbia to Idaho Falls (average of $380). Flying from District of Columbia to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to IDA?

Find hourly flight availability from District of Columbia to Idaho Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to Idaho Falls as you normally would.

Rainfall in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho Falls ranges from 0.6 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. July is typically the driest time to visit Idaho Falls when rainfall is around 0.6 in.

Temperature in Idaho Falls by month

Plan your trip to Idaho Falls by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho Falls, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Idaho Falls

Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated April 29, 2025.
To help decide which airline to fly from District of Columbia to Idaho Falls, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Idaho Falls from District of Columbia?

    If you book a flight to Idaho Falls from District of Columbia, you will be flying to Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

  • What are the cheapest airlines to fly from District of Columbia to Idaho Falls one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $216. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from District of Columbia to Idaho Falls for a low price.

  • Can I find deals for flights from District of Columbia to Idaho Falls that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Idaho Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Idaho Falls?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to Idaho Falls.

  • Can I find deals for business class flights from District of Columbia to Idaho Falls?

    Yes. Cheapflights offers flight deals from District of Columbia to Idaho Falls by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from District of Columbia to Idaho Falls (average of $380). Flying from District of Columbia to Idaho Falls in July is currently the most expensive (average of $628). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Rexburg

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Alternative routes for District of Columbia to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from District of Columbia to Idaho Falls

Discover the top 3 airlines that operate flights from District of Columbia to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$645FlexibilityNo cancel feeOn-time71%
DeltaCheapest$334Average$473FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$408Average$799FlexibilityNo cancel feeOn-time69%

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