HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Idaho Falls

$252+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IDA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to Idaho Falls with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$395
(American Airlines)

One-way from

$252
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$711
Provider with most accurate pricing for Washington, D.C. (WAS)-Idaho Falls Fanning Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Idaho Falls Fanning Field flights.
Search Deals
From District of Columbia to Idaho Falls Fanning Field
Search Deals
One-way flight from District of Columbia to Idaho Falls Fanning Field
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 8/319:00 amDCA - IDA
1 stop7h 33mAmerican Airlines
Thu 9/43:03 pmIDA - DCA
1 stop7h 53mAmerican Airlines
Deal found 3/27$395
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Sat 4/266:18 amIAD - IDA
1 stop8h 11mAmerican Airlines
Sat 5/312:59 pmIDA - IAD
1 stop7h 43mAmerican Airlines
Deal found 3/26$395
This Delta deal was found by Cheapflights users on 3/27. 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 9/43:05 pmIDA - IAD
1 stop6h 48mDelta
Deal found 3/27$400
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 4/256:30 amIAD - IDA
1 stop11h 28mAlaska Airlines
Sun 4/274:35 pmIDA - IAD
1 stop13h 08mAlaska Airlines
Deal found 3/26$443
This Delta deal was found by Cheapflights users on 3/27. 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 8/3112:05 pmDCA - IDA
2 stops12h 10mDelta
Thu 9/411:20 amIDA - DCA
2 stops10h 08mDelta
Deal found 3/27$497
This United deal was found by Cheapflights users on 3/26. 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 7/22:39 pmIAD - IDA
1 stop8h 20mUnited Airlines
Wed 7/94:13 pmIDA - IAD
1 stop6h 32mUnited Airlines
Deal found 3/26$543
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/256:45 amDCA - IDA
2 stops17h 51mAlaska Airlines
Sun 4/276:00 amIDA - DCA
2 stops23h 00mAlaska Airlines
Deal found 3/27$559
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 4/228:00 amDCA - IDA
1 stop9h 58mHawaiian Airlines
Wed 4/236:00 amIDA - DCA
1 stop8h 38mHawaiian Airlines
Deal found 3/27$662
This United deal was found by Cheapflights users on 3/27. 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 stops33h 08mUnited Airlines
Sun 4/274:15 pmIDA - DCA
2 stops23h 46mUnited Airlines
Deal found 3/27$794
This Hawaiian Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/27:00 amIAD - IDA
1 stop10h 34mHawaiian Airlines
Thu 4/38:00 amIDA - IAD
1 stop7h 59mHawaiian Airlines
Deal found 3/27$960

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 March 28, 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

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sun 8/31

9:00 am-2:33 pm

1 stop7h 33m

Idaho Falls Fanning Field

Thu 9/4

3:03 pm-12:56 am

1 stop7h 53m

$395

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sat 4/26

6:18 am-12:29 pm

1 stop8h 11m

Idaho Falls Fanning Field

Sat 5/3

12:59 pm-10:42 pm

1 stop7h 43m

$395

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sun 8/31

12:35 pm-10:15 pm

2 stops11h 40m

Idaho Falls Fanning Field

Thu 9/4

3:05 pm-11:53 pm

1 stop6h 48m

$400

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Fri 4/25

6:30 am-3:58 pm

1 stop11h 28m

Idaho Falls Fanning Field

Sun 4/27

4:35 pm-7:43 am

1 stop13h 08m

$443

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sun 8/31

12:05 pm-10:15 pm

2 stops12h 10m

Idaho Falls Fanning Field

Thu 9/4

11:20 am-11:28 pm

2 stops10h 08m

$497

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 7/2

2:39 pm-8:59 pm

1 stop8h 20m

Idaho Falls Fanning Field

Wed 7/9

4:13 pm-12:45 am

1 stop6h 32m

$543

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 4/25

6:45 am-10:36 pm

2 stops17h 51m

Idaho Falls Fanning Field

Sun 4/27

6:00 am-7:00 am

2 stops23h 00m

$559

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 4/22

8:00 am-3:58 pm

1 stop9h 58m

Idaho Falls Fanning Field

Wed 4/23

6:00 am-4:38 pm

1 stop8h 38m

$662

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Fri 4/25

6:20 am-1:28 pm

3 stops33h 08m

Idaho Falls Fanning Field

Sun 4/27

4:15 pm-6:01 pm

2 stops23h 46m

$794

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sun 4/27

6:30 am-10:36 pm

1 stop18h 06m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 results
1
2

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 March 28, 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 March 28, 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
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
2,336 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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
9,798 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

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 $252. However, be on the lookout for offers from Delta and American 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to Idaho Falls

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Jackson flights
John F Kennedy Intl to Jackson flights
Los Angeles to Boise flights
O'Hare Intl to Jackson flights
Seattle to Spokane flights
Denver to Boise flights
LaGuardia to Jackson flights
Los Angeles to Spokane flights
Los Angeles to Jackson flights
Minneapolis to Spokane flights
Denver to Spokane flights
O'Hare Intl to Boise flights
San Diego to Spokane flights
Minneapolis to Boise flights
Dallas/Fort Worth to Boise flights
San Francisco to Spokane flights
Dallas/Fort Worth to Spokane flights
O'Hare Intl to Spokane flights
Seattle to Boise flights
Ontario to Spokane flights
Sky Harbor Intl to Spokane flights
Dallas/Fort Worth to Jackson flights
Dulles Intl to Jackson flights
John F Kennedy Intl to Spokane flights
San Francisco to Jackson flights
Portland to Boise flights
Burbank to Boise flights
San Diego to Boise flights
Newark to Spokane flights
Boston to Jackson flights
Santa Ana to Boise flights
Atlanta to Jackson flights
Ontario to Boise flights
Reagan-National to Jackson flights
John F Kennedy Intl to Boise flights
San Francisco to Boise flights
Fort Lauderdale to Jackson flights
Sky Harbor Intl to Boise flights
Baltimore to Jackson flights
LaGuardia to Spokane flights
Seattle to Jackson flights
Portland to Spokane flights
Newark to Boise flights
Sacramento to Boise flights
Denver to Jackson flights
Charlotte to Jackson flights
Philadelphia to Jackson flights
Seattle to Idaho Falls flights
Philadelphia to Spokane flights
Atlanta to Spokane flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$334Average$678FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$456Average$843FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.