Washington, D.C.

$162+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — WAS
Nov 26 — Dec 31
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Cheap flight deals from Idaho Falls to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Washington, D.C. (WAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

July

Cheapest in

February

Round-trip from

$504
(Alaska Airlines)

One-way from

$162
(American Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Washington, D.C. (WAS) flights.
High demand for flights, 18% potential price rise
Best time to find cheap flights, 27% potential price drop
From Idaho Falls Fanning Field to Washington, D.C. (WAS)
One-way flight from Idaho Falls Fanning Field to Washington, D.C. (WAS)

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 November 21, 2024.

This United deal was found by Cheapflights users on 11/20. 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 12/136:05 pmIDA - IAD
1 stop15h 14mUnited Airlines
Mon 12/165:35 pmIAD - IDA
1 stop18h 18mUnited Airlines
Deal found 11/20$525
This United Airlines deal was found by Cheapflights users on 11/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/265:41 pmIDA - BWI
1 stop9h 19mUnited Airlines
Thu 1/24:02 pmBWI - IDA
1 stop7h 05mUnited Airlines
Deal found 11/20$558
This United Airlines deal was found by Cheapflights users on 11/20. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/267:00 amIDA - DCA
1 stop5h 59mUnited Airlines
Thu 1/24:13 pmDCA - IDA
1 stop6h 54mUnited Airlines
Deal found 11/20$631
This American Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 11/265:30 amIDA - DCA
1 stop8h 29mAmerican Airlines
Mon 12/2310:35 amDCA - IDA
2 stops13h 46mAmerican Airlines
Deal found 11/19$696
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/57:04 pmIDA - BWI
1 stop8h 46mDelta
Mon 12/97:08 amBWI - IDA
1 stop7h 18mDelta
Deal found 11/20$698
This Delta deal was found by Cheapflights users on 11/20. 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.
Thu 12/56:10 amIDA - DCA
2 stops13h 53mDelta
Mon 12/95:15 pmDCA - IDA
1 stop7h 40mDelta
Deal found 11/20$720
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/55:30 amIDA - IAD
2 stops11h 58mAmerican Airlines
Mon 12/91:41 pmIAD - IDA
2 stops10h 42mAmerican Airlines
Deal found 11/20$744
This Alaska Airlines deal was found by Cheapflights users on 11/20. 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.
Thu 12/266:00 amIDA - IAD
1 stop21h 40mAlaska Airlines
Thu 1/25:06 pmIAD - IDA
2 stops32h 53mAlaska Airlines
Deal found 11/20$788
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/268:57 amIDA - BWI
3 stops36h 28mMultiple Airlines
Thu 1/27:20 pmBWI - IDA
2 stops20h 13mMultiple Airlines
Deal found 11/20$828
This American Airlines deal was found by Cheapflights users on 11/19. 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 11/201:40 pmIDA - BWI
1 stop7h 34mAmerican Airlines
Thu 11/216:03 amBWI - IDA
1 stop9h 06mAmerican Airlines
Deal found 11/19$874
This Delta deal was found by Cheapflights users on 11/20. 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 11/266:10 amIDA - IAD
2 stops8h 14mDelta
Sat 11/3011:52 amIAD - IDA
2 stops8h 32mDelta
Deal found 11/20$3,170

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

Customize your flight search to find flights from Idaho Falls to Washington, D.C. 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sun 3/9

4:04 pm-5:32 am

1 stop11h 28m

Washington, D.C. Dulles Intl

Tue 3/25

7:00 am-10:35 pm

1 stop17h 35m

$504

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 12/13

6:05 pm-11:19 am

1 stop15h 14m

Washington, D.C. Dulles Intl

Mon 12/16

5:35 pm-9:53 am

1 stop18h 18m

$525

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sat 1/18

2:28 pm-11:44 pm

1 stop7h 16m

Baltimore/Washington

Mon 1/20

4:10 pm-9:08 pm

1 stop6h 58m

$528

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sun 3/9

4:04 pm-5:56 pm

1 stop23h 52m

Baltimore/Washington

Tue 3/25

6:55 pm-10:35 pm

1 stop29h 40m

$611

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 12/26

7:00 am-2:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

Thu 1/2

4:13 pm-9:07 pm

1 stop6h 54m

$631

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 12/5

7:04 pm-5:50 am

1 stop8h 46m

Baltimore/Washington

Mon 12/9

7:08 am-12:26 pm

1 stop7h 18m

$698

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 3/27

7:19 am-12:36 am

1 stop15h 17m

Washington, D.C. Reagan-National

Thu 4/3

5:00 am-9:09 pm

1 stop18h 09m

$717

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 12/5

6:10 am-10:03 pm

2 stops13h 53m

Washington, D.C. Reagan-National

Mon 12/9

5:15 pm-10:55 pm

1 stop7h 40m

$720

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 12/5

5:30 am-7:28 pm

2 stops11h 58m

Washington, D.C. Dulles Intl

Mon 12/9

1:41 pm-10:23 pm

2 stops10h 42m

$744

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 12/26

8:57 am-11:25 pm

3 stops36h 28m

Baltimore/Washington

Thu 1/2

7:20 pm-1:33 pm

2 stops20h 13m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 16 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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, September is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. (average of $300). Flying from Idaho Falls to Washington, D.C. in June is currently the most expensive (average of $376). 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?

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 November 21, 2024.

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

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

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

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated November 21, 2024.
To help decide which airline to fly from Idaho Falls to Washington, D.C., see what other customers have to say about Alaska Airlines, United Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
9,458 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

8.0
Very good
8,758 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.4
Good
9,172 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

7.2
Good
10,000 reviews
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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.?

    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?

    Alaska Airlines, at $504, was found to be the cheapest airline from Idaho Falls to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and Delta. Alaska Airlines is priced at 24% 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?

    $162 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $416 and $469, respectively.

  • 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?

    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, September is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. (average of $300). Flying from Idaho Falls to Washington, D.C. in June is currently the most expensive (average of $376). 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

Browse thousands of different options on Cheapflights for your next trip

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

Discover the top 3 airlines that operate flights from Idaho Falls to Washington, D.C.. 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$338Average$497FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$369Average$877FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$441Average$767FlexibilityNo cancel feeOn-time69%
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