How long is the flight from District of Columbia to Idaho Falls?

There are many flights that can get you from District of Columbia to Idaho Falls in 7h 15m. Fly via Alaska Airlines, United Airlines, or American Airlines to get the fastest option. The distance from District of Columbia to Idaho Falls is about 1811 mi. This flight may include one or multiple stops.

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.

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).

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.

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.

$219+ Flights from District of Columbia to Idaho Falls

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Cheap 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 December 15, 2025.

Sun 12/214:17 pmDCA - IDA

1 stop8h 42mUnited Airlines

Thu 1/16:40 amIDA - DCA

1 stop6h 19mUnited Airlines

Deal found 12/13

$561

Thu 12/254:17 pmDCA - IDA

1 stop6h 57mUnited Airlines

Thu 1/16:40 amIDA - DCA

1 stop6h 19mUnited Airlines

Deal found 12/15

$592

Wed 12/244:17 pmDCA - IDA

1 stop8h 42mUnited Airlines

Tue 12/305:00 amIDA - DCA

1 stop7h 59mUnited Airlines

Deal found 12/15

$651

Tue 12/236:20 amIAD - IDA

1 stop9h 10mUnited Airlines

Sun 12/285:00 amIDA - IAD

1 stop6h 16mUnited Airlines

Deal found 12/13

$656

Thu 12/256:30 amDCA - IDA

1 stop8h 16mAmerican Airlines

Thu 1/17:00 amIDA - DCA

2 stops11h 55mAmerican Airlines

Deal found 12/15

$661

Sat 12/205:20 pmIAD - IDA

1 stop7h 39mUnited Airlines

Tue 12/305:00 amIDA - IAD

1 stop6h 16mUnited Airlines

Deal found 12/13

$671

Mon 12/224:17 pmDCA - IDA

1 stop8h 42mUnited Airlines

Mon 12/295:00 amIDA - DCA

1 stop7h 59mUnited Airlines

Deal found 12/14

$686

Mon 12/2910:10 pmIAD - IDA

1 stop19h 12mUnited Airlines

Mon 1/55:00 amIDA - IAD

1 stop6h 16mUnited Airlines

Deal found 12/13

$687

Thu 12/254:17 pmDCA - IDA

1 stop6h 57mUnited Airlines

Tue 12/305:00 amIDA - DCA

1 stop7h 59mUnited Airlines

Deal found 12/15

$696

Mon 12/155:11 pmDCA - IDA

1 stop7h 10mDelta

Sat 12/205:55 amIDA - DCA

1 stop8h 06mDelta

Deal found 12/13

$706

Fri 12/195:20 pmIAD - IDA

1 stop7h 39mUnited Airlines

Sun 12/215:00 amIDA - IAD

1 stop6h 16mUnited Airlines

Deal found 12/14

$706

Sun 12/1412:30 pmIAD - IDA

2 stops11h 51mDelta

Sat 12/201:10 pmIDA - IAD

1 stop8h 08mDelta

Deal found 12/13

$711

Best flights from District of Columbia to Idaho Falls
Discover carefully curated flight deals from District of Columbia to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 15, 2025.

Sat 1/248:00 amDCA - IDA

1 stop12h 18mAlaska Airlines

Wed 1/289:00 amIDA - DCA

1 stop29h 09mAlaska Airlines

Deal found 12/13

$364

Tue 1/138:15 amIAD - IDA

1 stop7h 15mUnited Airlines

Thu 1/152:40 pmIDA - IAD

1 stop6h 42mUnited Airlines

Deal found 12/15

$365

Sat 1/108:20 amDCA - IDA

2 stops16h 16mAmerican Airlines

Sat 1/177:20 amIDA - DCA

2 stops12h 39mAmerican Airlines

Deal found 12/14

$375

Wed 2/187:05 amIAD - IDA

1 stop7h 22mDelta

Fri 2/271:10 pmIDA - IAD

1 stop8h 36mDelta

Deal found 12/14

$402

Sat 1/108:00 amDCA - IDA

1 stop12h 18mAlaska Airlines

Sat 1/179:00 amIDA - DCA

1 stop10h 59mAlaska Airlines

Deal found 12/14

$364

Mon 1/196:00 amIAD - IDA

1 stop9h 37mAmerican Airlines

Wed 3/42:02 pmIDA - IAD

1 stop6h 46mAmerican Airlines

Deal found 12/14

$402

Mon 1/192:24 pmIAD - IDA

1 stop8h 50mUnited Airlines

Wed 3/410:45 amIDA - IAD

1 stop8h 08mUnited Airlines

Deal found 12/14

$402

Tue 3/105:12 pmDCA - IDA

1 stop7h 08mDelta

Mon 3/166:59 pmIDA - DCA

2 stops12h 11mDelta

Deal found 12/13

$407

Thu 1/226:04 pmIAD - IDA

1 stop26h 14mAlaska Airlines

Tue 1/276:58 pmIDA - IAD

1 stop19h 28mAlaska Airlines

Deal found 12/14

$374

Tue 3/107:20 amIAD - IDA

1 stop7h 02mDelta

Mon 3/166:59 pmIDA - IAD

2 stops12h 09mDelta

Deal found 12/13

$407

Thu 1/226:00 amIAD - IDA

1 stop9h 37mAmerican Airlines

Tue 1/277:20 amIDA - IAD

2 stops13h 52mAmerican Airlines

Deal found 12/14

$407

Sat 1/246:04 pmIAD - IDA

1 stop30h 55mAlaska Airlines

Wed 1/289:00 amIDA - IAD

1 stop29h 26mAlaska Airlines

Deal found 12/13

$375

Tue 1/131:44 pmDCA - IDA

2 stops10h 52mAmerican Airlines

Thu 1/152:07 pmIDA - DCA

1 stop6h 53mAmerican Airlines

Deal found 12/15

$429

Mon 3/95:12 pmDCA - IDA

1 stop7h 08mDelta

Wed 3/186:59 pmIDA - DCA

2 stops20h 01mDelta

Deal found 12/13

$439

Wed 2/188:00 amDCA - IDA

1 stop17h 36mAlaska Airlines

Fri 2/278:00 amIDA - DCA

1 stop11h 59mAlaska Airlines

Deal found 12/14

$415

Wed 2/186:30 amDCA - IDA

1 stop9h 00mAmerican Airlines

Fri 2/276:42 amIDA - DCA

2 stops12h 04mAmerican Airlines

Deal found 12/15

$439

Mon 3/96:27 pmIAD - IDA

1 stop24h 16mAlaska Airlines

Tue 3/175:20 pmIDA - IAD

1 stop22h 35mAlaska Airlines

Deal found 12/13

$423

Sat 3/75:00 pmDCA - IDA

1 stop8h 36mAlaska Airlines

Mon 3/165:20 pmIDA - DCA

2 stops25h 42mAlaska Airlines

Deal found 12/13

$442

Last-minute flights from District of Columbia to Idaho Falls
Discover last-minute flight deals from District of Columbia to Idaho Falls. Data last updated December 15, 2025 and is based on user searches.

Sat 1/1010:10 amDCA - IDA

2 stops14h 26mAmerican Airlines

Sat 1/172:07 pmIDA - DCA

1 stop6h 49mAmerican Airlines

Deal found 12/14

$370

Tue 1/138:15 amIAD - IDA

1 stop7h 15mUnited Airlines

Thu 1/152:40 pmIDA - IAD

1 stop6h 42mUnited Airlines

Deal found 12/15

$365

Tue 1/134:11 pmDCA - IDA

1 stop7h 03mUnited Airlines

Thu 1/156:30 amIDA - DCA

1 stop6h 29mUnited Airlines

Deal found 12/15

$415

Tue 1/131:44 pmDCA - IDA

2 stops10h 52mAmerican Airlines

Thu 1/152:07 pmIDA - DCA

1 stop6h 53mAmerican Airlines

Deal found 12/15

$429

Tue 1/138:59 amDCA - IDA

2 stops35h 19mAlaska Airlines

Thu 1/159:00 amIDA - DCA

2 stops29h 01mAlaska Airlines

Deal found 12/15

$475

Mon 1/192:24 pmIAD - IDA

1 stop8h 50mUnited Airlines

Wed 3/410:45 amIDA - IAD

1 stop8h 08mUnited Airlines

Deal found 12/14

$402

Thu 1/226:04 pmIAD - IDA

1 stop26h 14mAlaska Airlines

Tue 1/276:58 pmIDA - IAD

1 stop19h 28mAlaska Airlines

Deal found 12/14

$374

Thu 1/226:00 amIAD - IDA

1 stop9h 37mAmerican Airlines

Tue 1/277:20 amIDA - IAD

2 stops13h 52mAmerican Airlines

Deal found 12/14

$407

Sat 1/248:00 amDCA - IDA

1 stop12h 18mAlaska Airlines

Wed 1/289:00 amIDA - DCA

1 stop29h 09mAlaska Airlines

Deal found 12/13

$364

Sat 1/246:04 pmIAD - IDA

1 stop30h 55mAlaska Airlines

Wed 1/289:00 amIDA - IAD

1 stop29h 26mAlaska Airlines

Deal found 12/14

$375

Sat 1/248:00 amDCA - IDA

1 stop16h 59mAlaska Airlines

Sun 2/19:00 amIDA - DCA

2 stops34h 00mAlaska Airlines

Deal found 12/15

$463

Sat 1/246:04 pmIAD - IDA

1 stop30h 55mAlaska Airlines

Sun 2/19:00 amIDA - IAD

1 stop29h 26mAlaska Airlines

Deal found 12/15

$468

One-way flights from District of Columbia to Idaho Falls
Search for one-way flight options from District of Columbia to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

Thu 1/158:00 amDCA - IDA

2 stops32h 19mMultiple Airlines

Deal found 12/15

$219

Tue 1/66:43 pmIAD - IDA

1 stop30h 16mAlaska Airlines

Deal found 12/15

$228

Thu 1/156:30 amDCA - IDA

1 stop9h 07mAmerican Airlines

Deal found 12/15

$230

Thu 1/156:30 amDCA - IDA

3 stops11h 01mUnited Airlines

Deal found 12/15

$543

Find flight deals from District of Columbia to Idaho Falls

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$364 (Alaska Airlines)
One-way from	$219 (Kiwi.com)
Popular in	March
Cheapest in	January
Average price	$504

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

Search Deals

One-way flight from District of Columbia to Idaho Falls Fanning Field

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sat 1/24

8:00 am-6:18 pm

1 stop12h 18m

Idaho Falls Fanning Field

Wed 1/28

9:00 am-4:09 pm

1 stop29h 09m

$364

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sat 1/10

8:00 am-6:18 pm

1 stop12h 18m

Idaho Falls Fanning Field

Sat 1/17

9:00 am-9:59 pm

1 stop10h 59m

$364

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Tue 1/13

8:15 am-1:30 pm

1 stop7h 15m

Idaho Falls Fanning Field

Thu 1/15

2:40 pm-11:22 pm

1 stop6h 42m

$365

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-6:18 pm

1 stop26h 14m

Idaho Falls Fanning Field

Tue 1/27

6:58 pm-4:26 pm

1 stop19h 28m

$374

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sat 1/10

8:20 am-10:36 pm

2 stops16h 16m

Idaho Falls Fanning Field

Sat 1/17

7:20 am-9:59 pm

2 stops12h 39m

$375

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Sat 1/24

6:04 pm-10:59 pm

1 stop30h 55m

Idaho Falls Fanning Field

Wed 1/28

9:00 am-4:26 pm

1 stop29h 26m

$375

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 2/18

7:05 am-12:27 pm

1 stop7h 22m

Idaho Falls Fanning Field

Fri 2/27

1:10 pm-11:46 pm

1 stop8h 36m

$402

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Mon 1/19

6:00 am-1:37 pm

1 stop9h 37m

Idaho Falls Fanning Field

Wed 3/4

2:02 pm-10:48 pm

1 stop6h 46m

$402

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Mon 1/19

2:24 pm-9:14 pm

1 stop8h 50m

Idaho Falls Fanning Field

Wed 3/4

10:45 am-8:53 pm

1 stop8h 08m

$402

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Tue 3/10

5:12 pm-10:20 pm

1 stop7h 08m

Idaho Falls Fanning Field

Mon 3/16

6:59 pm-9:10 am

2 stops12h 11m

$407

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 22 results

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, January is the cheapest month in which you can book a flight from District of Columbia to Idaho Falls (average of $289). Flying from District of Columbia to Idaho Falls in June is currently the most expensive (average of $434). 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?

When flying from District of Columbia to Idaho Falls, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight at noon.

Related info for your journey

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.
How long is the flight from District of Columbia to Idaho Falls?
There are many flights that can get you from District of Columbia to Idaho Falls in 7h 15m. Fly via Alaska Airlines, United Airlines, or American Airlines to get the fastest option. The distance from District of Columbia to Idaho Falls is about 1811 mi. This flight may include one or multiple stops.
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, January is the cheapest month in which you can book a flight from District of Columbia to Idaho Falls (average of $289). Flying from District of Columbia to Idaho Falls in June is currently the most expensive (average of $434). 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

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Top 3 airlines flying from District of Columbia to Idaho Falls

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$334	Average$697	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$334	Average$473	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$388	Average$713	FlexibilityNo cancel fee	On-time69%

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$219+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from District of Columbia to Idaho Falls

Cheapest flights from District of Columbia to Idaho FallsExplore 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 December 15, 2025.

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 December 15, 2025.

Find 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 December 15, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from District of Columbia to Idaho Falls that are best for you.

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.

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?

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 December 15, 2025.

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?

How long is the flight from District of Columbia to Idaho Falls?

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

How can I 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?

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

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Alternative routes for District of Columbia to Idaho Falls

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Top 3 airlines flying from District of Columbia to Idaho Falls

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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 December 15, 2025.