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Idaho Falls

$297+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IDA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$368
(Alaska Airlines)

One-way from

$297
(Alaska Airlines)

Popular in

March

Cheapest in

February

Average price

$487
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. 6% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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 4/225:10 pmDCA - IDA
1 stop7h 46mDelta
Tue 4/296:55 pmIDA - DCA
2 stops12h 11mDelta
Deal found 2/20$400
This Delta deal was found by Cheapflights users on 2/19. 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.
Sun 8/3112:35 pmIAD - IDA
2 stops11h 40mDelta
Thu 9/47:00 pmIDA - IAD
2 stops11h 42mDelta
Deal found 2/19$405
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/226:30 amDCA - IDA
1 stop7h 59mAmerican Airlines
Tue 4/2912:59 pmIDA - DCA
1 stop8h 01mAmerican Airlines
Deal found 2/20$408
This American Airlines deal was found by Cheapflights users on 2/19. 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 8/137:07 amIAD - IDA
1 stop7h 04mAmerican Airlines
Tue 8/197:36 amIDA - IAD
1 stop6h 50mAmerican Airlines
Deal found 2/19$420
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/87:00 amIAD - IDA
1 stop10h 34mAlaska Airlines
Mon 4/148:00 amIDA - IAD
1 stop19h 34mAlaska Airlines
Deal found 2/19$438
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/710:05 amIAD - IDA
1 stop8h 58mUnited Airlines
Wed 3/1210:38 amIDA - IAD
1 stop6h 17mUnited Airlines
Deal found 2/19$540
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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 3/167:00 amIAD - IDA
1 stop10h 30mHawaiian Airlines
Fri 3/218:00 amIDA - IAD
1 stop7h 59mHawaiian Airlines
Deal found 2/19$622
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 9/35:30 pmDCA - IDA
1 stop31h 08mAlaska Airlines
Sun 9/74:00 pmIDA - DCA
2 stops26h 55mAlaska Airlines
Deal found 2/20$669
This United deal was found by Cheapflights users on 2/20. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/256:20 amDCA - IDA
3 stops29h 12mUnited Airlines
Sun 4/274:15 pmIDA - DCA
2 stops16h 38mUnited Airlines
Deal found 2/20$906
This United deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:15 amIAD - IDA
3 stops13h 02mMultiple Airlines
Tue 8/194:00 pmIDA - IAD
2 stops11h 55mMultiple Airlines
Deal found 2/19$1,049

Find flights from District of Columbia to Idaho Falls within your budget

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 February 20, 2025.

Fly from

District of Columbia

Fly to

Idaho Falls

Route

Depart

Return

Price

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 4/22

5:10 pm-10:56 pm

1 stop7h 46m

Idaho Falls Fanning Field

Tue 4/29

6:55 pm-9:06 am

2 stops12h 11m

$400

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 4/22

6:30 am-12:29 pm

1 stop7h 59m

Idaho Falls Fanning Field

Tue 4/29

12:59 pm-11:00 pm

1 stop8h 01m

$408

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 8/13

7:07 am-12:11 pm

1 stop7h 04m

Idaho Falls Fanning Field

Tue 8/19

7:36 am-4:26 pm

1 stop6h 50m

$420

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 4/8

7:00 am-3:34 pm

1 stop10h 34m

Idaho Falls Fanning Field

Mon 4/14

8:00 am-5:34 am

1 stop19h 34m

$438

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 4/9

7:35 am-12:16 pm

1 stop6h 41m

Idaho Falls Fanning Field

Sat 4/12

3:30 pm-11:50 pm

1 stop6h 20m

$482

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Fri 3/7

10:05 am-5:03 pm

1 stop8h 58m

Idaho Falls Fanning Field

Wed 3/12

10:38 am-6:55 pm

1 stop6h 17m

$540

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sun 3/16

7:00 am-3:30 pm

1 stop10h 30m

Idaho Falls Fanning Field

Fri 3/21

8:00 am-5:59 pm

1 stop7h 59m

$622

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 3/7

6:40 pm-3:30 pm

2 stops22h 50m

Idaho Falls Fanning Field

Wed 3/12

8:00 am-4:24 pm

1 stop30h 24m

$767

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 4/25

6:20 am-9:32 am

3 stops29h 12m

Idaho Falls Fanning Field

Sun 4/27

4:15 pm-10:53 am

2 stops16h 38m

$906

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 8/13

6:15 am-5:17 pm

3 stops13h 02m

Idaho Falls Fanning Field

Tue 8/19

4:00 pm-5:55 am

2 stops11h 55m

$1,049

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 17 results
1
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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.

Travel insights for flights from District of Columbia to Idaho Falls

Get recent, data-driven insights about flights from District of Columbia to Idaho Falls including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 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
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $297. However, be on the lookout for offers from United Airlines and Hawaiian Airlines, 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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Top 2 airlines flying from District of Columbia to Idaho Falls

Discover the top 2 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$762FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$456Average$803FlexibilityNo cancel feeOn-time69%
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