Idaho Falls

$336+ Cheap flights from Washington, D.C. (WAS) to Idaho Falls (IDA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — IDA
Nov 25 — Dec 21
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Cheap flight deals from Washington, D.C. to Idaho Falls

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Idaho Falls (IDA). 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 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

April

Cheapest in

January

Average price

$768

Round-trip from

$336
(Mytrip)
Provider with most accurate pricing for Washington, D.C. (WAS)-Idaho Falls Fanning Field flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Idaho Falls Fanning Field flights.
High demand for flights, 14% potential price rise
Best time to find cheap flights, 35% potential price drop
Average for round-trip flights in November 2024
From Washington, D.C. (WAS) to Idaho Falls Fanning Field

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

Cheapest flights from Washington, D.C. to Idaho Falls
Explore the most affordable flight options available from Washington, D.C. to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/511:39 amBWI - IDA
2 stops25h 49mMultiple Airlines
Mon 12/96:25 pmIDA - BWI
2 stops21h 16mMultiple Airlines
Deal found 11/19$336
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/137:00 amBWI - IDA
1 stop18h 59mAlaska Airlines
Mon 12/306:00 amIDA - BWI
1 stop21h 30mAlaska Airlines
Deal found 11/19$595
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:40 amBWI - IDA
1 stop7h 46mDelta
Fri 1/101:10 pmIDA - BWI
1 stop8h 24mDelta
Deal found 11/19$623
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:30 amIAD - IDA
1 stop8h 36mUnited Airlines
Fri 1/102:28 pmIDA - IAD
1 stop7h 02mUnited Airlines
Deal found 11/19$631
This United 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/304:13 pmDCA - IDA
1 stop6h 54mUnited Airlines
Fri 1/107:00 amIDA - DCA
1 stop5h 59mUnited Airlines
Deal found 11/19$696
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/164:09 pmBWI - IDA
1 stop19h 44mUnited Airlines
Thu 12/191:48 pmIDA - BWI
1 stop7h 40mUnited Airlines
Deal found 11/19$697
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.
Mon 12/3011:48 amDCA - IDA
2 stops12h 33mAmerican Airlines
Fri 1/1012:55 pmIDA - DCA
1 stop8h 05mAmerican Airlines
Deal found 11/19$746
This Delta deal was found by Cheapflights users on 11/18. 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.
Mon 12/25:10 pmDCA - IDA
1 stop7h 43mDelta
Fri 12/66:00 amIDA - DCA
2 stops9h 59mDelta
Deal found 11/18$913
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.
Mon 12/161:41 pmIAD - IDA
2 stops10h 42mAmerican Airlines
Thu 12/195:15 amIDA - IAD
2 stops12h 25mAmerican Airlines
Deal found 11/19$983
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 12/311:30 pmBWI - IDA
2 stops10h 51mAmerican Airlines
Sat 1/41:44 pmIDA - BWI
2 stops8h 47mAmerican Airlines
Deal found 11/19$1,159
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/245:40 pmDCA - IDA
1 stop8h 16mAlaska Airlines
Sun 12/16:00 amIDA - DCA
1 stop13h 59mAlaska Airlines
Deal found 11/19$2,079

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

Customize your flight search to find flights from Washington, D.C. 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Thu 12/5

11:39 am-11:28 am

2 stops25h 49m

Idaho Falls Fanning Field

Mon 12/9

6:25 pm-5:41 pm

2 stops21h 16m

$336

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 2/5

6:57 pm-3:27 pm

1 stop22h 30m

Idaho Falls Fanning Field

Wed 2/12

8:00 am-5:57 pm

1 stop7h 57m

$364

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 2/5

6:06 am-12:25 pm

1 stop8h 19m

Idaho Falls Fanning Field

Wed 2/12

12:55 pm-12:40 am

1 stop9h 45m

$384

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 2/5

1:52 pm-10:17 pm

2 stops10h 25m

Idaho Falls Fanning Field

Wed 2/12

12:55 pm-10:41 pm

1 stop7h 46m

$389

Washington, D.C.Idaho Falls

IAD - IDA

IADIDA

Washington, D.C. Dulles Intl

Wed 1/22

10:05 am-5:09 pm

1 stop9h 04m

Idaho Falls Fanning Field

Fri 1/24

2:28 pm-11:30 pm

1 stop7h 02m

$458

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 2/15

6:56 pm-10:36 pm

1 stop29h 40m

Idaho Falls Fanning Field

Thu 2/20

8:00 am-5:56 pm

1 stop7h 56m

$461

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Sat 2/15

5:25 pm-3:27 pm

1 stop24h 02m

Idaho Falls Fanning Field

Thu 2/20

4:04 pm-8:59 pm

2 stops26h 55m

$472

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 1/22

4:10 pm-9:08 pm

1 stop6h 58m

Idaho Falls Fanning Field

Fri 1/24

2:28 pm-11:44 pm

1 stop7h 16m

$521

Washington, D.C.Idaho Falls

DCA - IDA

DCAIDA

Washington, D.C. Reagan-National

Wed 1/22

8:00 am-9:08 pm

2 stops15h 08m

Idaho Falls Fanning Field

Fri 1/24

5:50 pm-2:59 pm

1 stop19h 09m

$550

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Wed 4/23

10:00 am-10:14 pm

2 stops14h 14m

Idaho Falls Fanning Field

Sun 4/27

1:05 pm-11:43 pm

1 stop8h 38m

$576

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 15 results
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Compare providers for flights from Washington, D.C. to Idaho Falls

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 Washington, D.C. to Idaho Falls in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice 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 Washington, D.C.-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Idaho Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Idaho Falls 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 Washington, D.C.-Idaho Falls 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 Washington, D.C. to Idaho Falls

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

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

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Idaho Falls (average of $380). Flying from Washington, D.C. to Idaho Falls in July is currently the most expensive (average of $629). 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 WAS to IDA?

Find hourly flight availability from Washington, D.C. 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 November 20, 2024.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Idaho Falls in the afternoon. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight at noon.

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 November 20, 2024.
Peruse reviews from past customers who have flown with Alaska Airlines, American Airlines and United Airlines from Washington, D.C. to Idaho Falls to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,461 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.2

Reviews

1 / 10

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

8.0
Very good
9,461 reviews
8.0
Very good
9,461 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.2

Reviews

1 / 10

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

8.0
Very good
8,756 reviews
8.0
Very good
9,461 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.2

Reviews

1 / 10

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

7.4
Good
9,171 reviews
8.0
Very good
9,461 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.2

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
9,461 reviews

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Food

7.2

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 Washington, D.C. 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 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 Idaho Falls from Washington, D.C.. Booking flights from Washington, D.C. to Fanning Field (IDA) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. from 3 different airlines.

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

    Alaska Airlines, at $364, was found to be the cheapest airline from Washington, D.C. to Idaho Falls.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Alaska Airlines is currently priced 47% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Washington, D.C. to Idaho Falls are Delta ($389), American Airlines ($432), and United Airlines ($459).

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Idaho Falls?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Idaho Falls (average of $380). Flying from Washington, D.C. to Idaho Falls in July is currently the most expensive (average of $629). 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 Washington, D.C. to Idaho Falls

Discover the top 3 airlines that operate flights from Washington, D.C. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$388Average$729FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$425Average$500FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$524Average$738FlexibilityNo cancel feeOn-time71%
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