What are the cheapest airlines flying from Idaho Falls to Washington, D.C. round-trip?

American Airlines, at $372, was found to be the cheapest airline from Idaho Falls to Washington, D.C..Alternate airlines to your destination round-trip include Delta and Alaska Airlines. American Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Idaho Falls to Washington, D.C. one-way?

$243 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $273 and $319, respectively.

What is the cheapest day to fly from Idaho Falls to Washington, D.C.?

Travelers seeking maximum savings on their Idaho Falls to Washington, D.C. flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular routes from Idaho Falls to Washington, D.C.?

When deciding which route to take from Idaho Falls to Washington, D.C. consider Idaho Falls Fanning Field - Washington, D.C. Reagan-National, Idaho Falls Fanning Field - Washington, D.C. Dulles Intl or Idaho Falls Fanning Field - Baltimore/Washington as they are the most popular.

What is the cheapest day to fly round-trip from Idaho Falls to Washington, D.C.?

Flights from Idaho Falls to Washington, D.C. are found to be more expensive on Wednesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C..

What is the cheapest month to fly from Idaho Falls to Washington, D.C.?

October is one of the best times of the year to fly to Washington, D.C. from Idaho Falls. Prices for October average $670 per person but you can even find prices for as low as $550. The most expensive prices can be found in the month of July. Opting for a October flight can save you 21% on your journey compared to booking in July

Most accurate provider : When it comes to deals on Idaho Falls-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Idaho Falls-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Idaho Falls to Washington, D.C.?

Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Washington, D.C. from Idaho Falls. Booking flights from Fanning Field (IDA) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 3 different airlines.

Can I find deals for flights from Idaho Falls to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Idaho Falls to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Idaho Falls to Washington, D.C.?

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

Can I find deals for business class flights from Idaho Falls to Washington, D.C.?

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

$243+ Save on Flights from Idaho Falls to Washington, D.C.

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Cheap flight deals from Idaho Falls to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$372 (American Airlines)
One-way from	$243 (United Airlines)
Popular in	July
Cheapest in	October

Provider with most accurate pricing for Idaho Falls Fanning Field-Washington, D.C. (WAS) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Washington, D.C. (WAS) flights.

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From Idaho Falls Fanning Field to Washington, D.C. (WAS)

Search Deals

One-way flight from Idaho Falls Fanning Field to Washington, D.C. (WAS)

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($56 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).

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Find flight deals from Idaho Falls to Washington, D.C.

Cheapest flights from Idaho Falls to Washington, D.C.
Explore the most affordable flight options available from Idaho Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Wed 4/212:58 pmIDA - BWI

1 stop8h 00mAmerican Airlines

Wed 4/910:45 amBWI - IDA

2 stops13h 25mAmerican Airlines

Deal found 2/19

$372

Wed 4/26:55 pmIDA - BWI

1 stop8h 59mDelta

Wed 4/97:15 amBWI - IDA

1 stop7h 01mDelta

Deal found 2/19

$387

Mon 4/148:00 amIDA - IAD

1 stop19h 34mAlaska Airlines

Mon 4/216:59 pmIAD - IDA

2 stops22h 59mAlaska Airlines

Deal found 2/19

$443

Mon 4/146:55 pmIDA - DCA

2 stops12h 11mDelta

Mon 4/215:10 pmDCA - IDA

1 stop7h 46mDelta

Deal found 2/19

$487

Sun 3/91:00 pmIDA - IAD

2 stops15h 19mDelta

Tue 3/257:35 amIAD - IDA

1 stop6h 43mDelta

Deal found 2/20

$524

Mon 4/1412:59 pmIDA - IAD

1 stop7h 43mAmerican Airlines

Mon 4/216:18 amIAD - IDA

1 stop8h 11mAmerican Airlines

Deal found 2/19

$532

Mon 4/144:11 pmIDA - DCA

1 stop27h 48mAlaska Airlines

Mon 4/215:55 pmDCA - IDA

1 stop24h 03mAlaska Airlines

Deal found 2/19

$543

Fri 3/147:47 amIDA - DCA

2 stops13h 28mAmerican Airlines

Tue 3/186:30 amDCA - IDA

1 stop7h 58mAmerican Airlines

Deal found 2/19

$617

Sat 5/315:00 amIDA - BWI

1 stop22h 20mUnited Airlines

Thu 6/58:09 amBWI - IDA

1 stop11h 08mUnited Airlines

Deal found 2/20

$643

Sat 3/226:45 amIDA - IAD

1 stop26h 33mUnited Airlines

Thu 3/2710:20 pmIAD - IDA

1 stop20h 43mUnited Airlines

Deal found 2/20

$653

Sat 5/315:00 amIDA - DCA

2 stops15h 15mUnited Airlines

Thu 6/56:25 amDCA - IDA

2 stops18h 26mUnited Airlines

Deal found 2/19

$888

Best flights from Idaho Falls to Washington, D.C.
Discover carefully curated flight deals from Idaho Falls to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 20, 2025.

Wed 4/212:58 pmIDA - BWI

1 stop8h 00mAmerican Airlines

Wed 4/910:45 amBWI - IDA

2 stops13h 25mAmerican Airlines

Deal found 2/19

$372

Wed 4/26:55 pmIDA - BWI

1 stop8h 59mDelta

Wed 4/97:15 amBWI - IDA

1 stop7h 01mDelta

Deal found 2/19

$387

Mon 4/148:00 amIDA - IAD

1 stop19h 34mAlaska Airlines

Mon 4/216:59 pmIAD - IDA

2 stops22h 59mAlaska Airlines

Deal found 2/19

$443

Sat 5/315:00 amIDA - BWI

1 stop22h 20mUnited Airlines

Thu 6/58:09 amBWI - IDA

1 stop11h 08mUnited Airlines

Deal found 2/20

$643

Mon 4/146:55 pmIDA - DCA

2 stops12h 11mDelta

Mon 4/215:10 pmDCA - IDA

1 stop7h 46mDelta

Deal found 2/19

$487

Mon 4/1412:59 pmIDA - IAD

1 stop7h 43mAmerican Airlines

Mon 4/216:18 amIAD - IDA

1 stop8h 11mAmerican Airlines

Deal found 2/19

$532

Mon 4/144:11 pmIDA - DCA

1 stop27h 48mAlaska Airlines

Mon 4/215:55 pmDCA - IDA

1 stop24h 03mAlaska Airlines

Deal found 2/19

$543

Sun 3/91:00 pmIDA - IAD

2 stops15h 19mDelta

Tue 3/257:35 amIAD - IDA

1 stop6h 43mDelta

Deal found 2/20

$524

Sat 3/226:45 amIDA - IAD

1 stop26h 33mUnited Airlines

Thu 3/2710:20 pmIAD - IDA

1 stop20h 43mUnited Airlines

Deal found 2/20

$653

Fri 3/147:47 amIDA - DCA

2 stops13h 28mAmerican Airlines

Tue 3/186:30 amDCA - IDA

1 stop7h 58mAmerican Airlines

Deal found 2/19

$617

Sat 5/315:00 amIDA - DCA

2 stops15h 15mUnited Airlines

Thu 6/56:25 amDCA - IDA

2 stops18h 26mUnited Airlines

Deal found 2/19

$888

Last-minute flights from Idaho Falls to Washington, D.C.
Discover last-minute flight deals from Idaho Falls to Washington, D.C.. Data last updated February 20, 2025 and is based on user searches.

Sun 3/96:55 pmIDA - BWI

1 stop8h 59mDelta

Tue 3/257:15 amBWI - IDA

1 stop7h 03mDelta

Deal found 2/20

$516

Sun 3/91:00 pmIDA - IAD

2 stops15h 19mDelta

Tue 3/257:35 amIAD - IDA

1 stop6h 43mDelta

Deal found 2/20

$524

Sun 3/94:07 pmIDA - IAD

1 stop11h 25mAlaska Airlines

Tue 3/257:00 amIAD - IDA

1 stop17h 35mAlaska Airlines

Deal found 2/20

$578

Fri 3/147:47 amIDA - DCA

2 stops13h 28mAmerican Airlines

Tue 3/186:30 amDCA - IDA

1 stop7h 58mAmerican Airlines

Deal found 2/19

$617

Sat 3/156:00 amIDA - DCA

2 stops10h 55mDelta

Wed 3/1912:17 pmDCA - IDA

2 stops12h 16mDelta

Deal found 2/19

$559

Sat 3/158:00 amIDA - DCA

1 stop11h 59mAlaska Airlines

Wed 3/198:00 amDCA - IDA

1 stop9h 34mAlaska Airlines

Deal found 2/19

$598

Sat 3/226:45 amIDA - IAD

1 stop26h 33mUnited Airlines

Thu 3/2710:20 pmIAD - IDA

1 stop20h 43mUnited Airlines

Deal found 2/20

$653

One-way flights from Idaho Falls to Washington, D.C.
Search for one-way flight options from Idaho Falls to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated February 20, 2025.

Wed 8/134:15 pmIDA - IAD

1 stop6h 30mUnited Airlines

Deal found 2/20

$243

Thu 5/14:35 pmIDA - DCA

2 stops27h 24mAlaska Airlines

Deal found 2/19

$273

Wed 8/138:00 amIDA - IAD

2 stops19h 55mAlaska Airlines

Deal found 2/20

$283

Sat 7/267:00 pmIDA - BWI

1 stop9h 06mDelta

Deal found 2/20

$319

Wed 8/134:15 pmIDA - BWI

1 stop10h 59mUnited Airlines

Deal found 2/20

$327

Sat 7/265:57 pmIDA - DCA

2 stops12h 22mUnited Airlines

Deal found 2/20

$368

Sat 7/267:00 pmIDA - DCA

2 stops11h 35mDelta

Deal found 2/19

$434

Find flights from Idaho Falls to Washington, D.C. within your budget

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 4/2

12:58 pm-10:58 pm

1 stop8h 00m

Baltimore/Washington

Wed 4/9

10:45 am-10:10 pm

2 stops13h 25m

$372

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 4/2

6:55 pm-5:54 am

1 stop8h 59m

Baltimore/Washington

Wed 4/9

7:15 am-12:16 pm

1 stop7h 01m

$387

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 4/14

8:00 am-5:34 am

1 stop19h 34m

Washington, D.C. Dulles Intl

Mon 4/21

6:59 pm-3:58 pm

2 stops22h 59m

$443

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 4/14

6:55 pm-9:06 am

2 stops12h 11m

Washington, D.C. Reagan-National

Mon 4/21

5:10 pm-10:56 pm

1 stop7h 46m

$487

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sun 3/9

1:00 pm-6:19 am

2 stops15h 19m

Washington, D.C. Dulles Intl

Tue 3/25

7:35 am-12:18 pm

1 stop6h 43m

$524

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 4/14

12:59 pm-10:42 pm

1 stop7h 43m

Washington, D.C. Dulles Intl

Mon 4/21

6:18 am-12:29 pm

1 stop8h 11m

$532

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Mon 4/14

4:11 pm-9:59 pm

1 stop27h 48m

Washington, D.C. Reagan-National

Mon 4/21

5:55 pm-3:58 pm

1 stop24h 03m

$543

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Fri 3/14

7:47 am-11:15 pm

2 stops13h 28m

Washington, D.C. Reagan-National

Tue 3/18

6:30 am-12:28 pm

1 stop7h 58m

$617

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sat 5/31

5:00 am-5:20 am

1 stop22h 20m

Baltimore/Washington

Thu 6/5

8:09 am-5:17 pm

1 stop11h 08m

$643

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sat 3/22

6:45 am-11:18 am

1 stop26h 33m

Washington, D.C. Dulles Intl

Thu 3/27

10:20 pm-5:03 pm

1 stop20h 43m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 18 results

Compare providers for flights from Idaho Falls to Washington, D.C.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Washington, D.C. in February.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Idaho Falls-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Washington, D.C. flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Idaho Falls-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Idaho Falls 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 Idaho Falls to Washington, D.C.

Get recent, data-driven insights about flights from Idaho Falls to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Idaho Falls to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. (average of $309). Flying from Idaho Falls to Washington, D.C. in June is currently the most expensive (average of $389). 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 IDA to WAS?

One of the essential ways to save on airfare from Idaho Falls to Washington, D.C. is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

Rainfall in Washington, D.C. by month

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Idaho Falls to Washington, D.C., see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,692 reviews

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

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

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

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

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

What airport do you fly from for flights from Idaho Falls to Washington, D.C.?
Located just 3.8 mi from the city center, Idaho Falls Fanning Field is the airport most travelers will use when flying to Washington, D.C. from Idaho Falls. Booking flights from Fanning Field (IDA) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 3 different airlines.
What are the cheapest airlines flying from Idaho Falls to Washington, D.C. round-trip?
American Airlines, at $372, was found to be the cheapest airline from Idaho Falls to Washington, D.C..Alternate airlines to your destination round-trip include Delta and Alaska Airlines. American Airlines is priced at 44% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Idaho Falls to Washington, D.C. one-way?
$243 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $273 and $319, respectively.
What are the most popular routes from Idaho Falls to Washington, D.C.?
When deciding which route to take from Idaho Falls to Washington, D.C. consider Idaho Falls Fanning Field - Washington, D.C. Reagan-National, Idaho Falls Fanning Field - Washington, D.C. Dulles Intl or Idaho Falls Fanning Field - Baltimore/Washington as they are the most popular.
Can I find deals for flights from Idaho Falls to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Idaho Falls to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Idaho Falls to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Washington, D.C..
Can I find deals for business class flights from Idaho Falls to Washington, D.C.?
Yes. Cheapflights offers flight deals from Idaho Falls to Washington, D.C. 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 Idaho Falls to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. (average of $309). Flying from Idaho Falls to Washington, D.C. in June is currently the most expensive (average of $389). 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 Idaho Falls to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$338	Average$509	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$369	Average$666	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$538	Average$774	FlexibilityNo cancel fee	On-time69%

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$243+ Cheap flights from Idaho Falls (IDA) to Washington, D.C. (WAS)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Idaho Falls to Washington, D.C. with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Idaho Falls to Washington, D.C.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Find flight deals from Idaho Falls to Washington, D.C.

Cheapest flights from Idaho Falls to Washington, D.C.Explore the most affordable flight options available from Idaho Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Explore the most affordable flight options available from Idaho Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

Find flights from Idaho Falls to Washington, D.C. within your budget

Compare providers for flights from Idaho Falls to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Washington, D.C. in February.

Best time to book a flight from Idaho Falls to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Idaho Falls with our price prediction graph.

Travel insights for flights from Idaho Falls to Washington, D.C.

Get recent, data-driven insights about flights from Idaho Falls to Washington, D.C. including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Idaho Falls to Washington, D.C.?

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

Find hourly flight availability from Idaho Falls to Washington, D.C.. 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.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

To help decide which airline to fly from Idaho Falls to Washington, D.C., see what other customers have to say about Alaska Airlines, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Washington, D.C.. 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 from for flights from Idaho Falls to Washington, D.C.?

What are the cheapest airlines flying from Idaho Falls to Washington, D.C. round-trip?

What are the cheapest airlines to fly from Idaho Falls to Washington, D.C. one-way?

What are the most popular routes from Idaho Falls to Washington, D.C.?

Can I find deals for flights from Idaho Falls to Washington, D.C. that include hotel bookings?

How can I find direct flights from Idaho Falls to Washington, D.C.?

Can I find deals for business class flights from Idaho Falls to Washington, D.C.?

What is the cheapest month to book a flight from Idaho Falls to Washington, D.C.?

Traveling to a place near Idaho Falls?

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Alternative routes for Idaho Falls to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Idaho Falls to Washington, D.C.

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Cheapest flights from Idaho Falls to Washington, D.C.
Explore the most affordable flight options available from Idaho Falls to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.