Cheap flights from Idaho Falls (IDA) to Washington, D.C. (WAS) from $284

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
IDA — WAS
May 12 — May 191

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 May 7, 2024.

Popular in

October

Cheapest in

February

Average price

$671

Round-trip from

$234
High demand for flights, 21% potential price rise
Best time to find cheap flights, 27% potential price drop
Average for round-trip flights in May 2024
From Idaho Falls Fanning Field to Washington, D.C. (WAS)

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 Thursday. 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.?

February is one of the best times of the year to fly to Washington, D.C. from Idaho Falls. Prices for February average $658 per person but you can even find prices for as low as $483. The most expensive prices can be found in the month of October. Opting for a February flight can save you 26% on your journey compared to booking in October

When is the cheapest time to fly from Idaho Falls to Washington, D.C. (IDA - 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 morning tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.

Cheap Delta flights from Idaho Falls to Washington, D.C.

Explore cheap flight options specifically provided by Delta for the route between Idaho Falls and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Check out some of the cheapest Delta flights we've come across from Idaho Falls to Washington, D.C.. It's recommended that users confirm their flight details before booking.
Thu 7/117:00 pmIDA - IAD
2 stops12h 19mDelta
Sun 7/146:10 amIAD - IDA
2 stops8h 13mDelta
Deal found 5/7$540
Thu 7/116:10 amIDA - IAD
2 stops10h 08mDelta
Sun 7/147:15 amIAD - IDA
1 stop7h 08mDelta
Deal found 5/7$545
Thu 7/116:10 amIDA - DCA
1 stop8h 39mDelta
Sun 7/146:05 amDCA - IDA
2 stops8h 18mDelta
Deal found 5/7$726
Thu 7/111:05 pmIDA - IAD
1 stop8h 49mDelta
Sun 7/147:15 amIAD - IDA
1 stop7h 08mDelta
Deal found 5/7$774

Cheap United Airlines flights from Idaho Falls to Washington, D.C.

Explore cheap flight options specifically provided by United Airlines for the route between Idaho Falls and Washington, D.C.. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Browse through some of the cheapest United Airlines flights traveling from Idaho Falls to Washington, D.C.. Ensure the flight price, dates, time, and airline match your criteria before you book.
Tue 6/45:56 pmIDA - IAD
1 stop9h 29mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$580
Sat 5/1810:45 amIDA - IAD
1 stop8h 26mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$652
Wed 7/105:58 pmIDA - BWI
1 stop9h 22mUnited Airlines
Wed 7/176:30 amBWI - IDA
2 stops16h 38mUnited Airlines
Deal found 5/5$684
Sat 5/1810:45 amIDA - BWI
1 stop6h 20mUnited Airlines
Tue 6/1110:05 amBWI - IDA
1 stop25h 35mUnited Airlines
Deal found 5/6$687
Tue 6/45:56 pmIDA - IAD
1 stop9h 29mUnited Airlines
Tue 6/1110:15 pmIAD - IDA
2 stops13h 25mUnited Airlines
Deal found 5/6$715
Tue 7/95:58 pmIDA - BWI
1 stop9h 22mUnited Airlines
Thu 7/1810:05 amBWI - IDA
1 stop13h 03mUnited Airlines
Deal found 5/6$735
Sat 5/182:30 pmIDA - BWI
1 stop6h 30mUnited Airlines
Tue 6/116:25 amBWI - IDA
2 stops12h 50mUnited Airlines
Deal found 5/6$746
Sat 5/1810:45 amIDA - IAD
1 stop6h 32mUnited Airlines
Tue 6/116:30 amIAD - IDA
2 stops12h 45mUnited Airlines
Deal found 5/6$759
Mon 5/202:30 pmIDA - IAD
1 stop19h 06mUnited Airlines
Fri 5/2410:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$776

Cheap Idaho Falls to Washington, D.C. flights in May & June 2024

Find cheap flight options from Idaho Falls to Washington, D.C. specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Prices were last updated on May 7, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Tue 6/45:56 pmIDA - IAD
1 stop9h 29mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$580
Tue 6/43:32 pmIDA - BWI
1 stop12h 08mAlaska Airlines
Tue 6/116:59 pmBWI - IDA
1 stop30h 58mAlaska Airlines
Deal found 5/6$607
Sat 5/1810:45 amIDA - IAD
1 stop8h 26mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$652
Sat 5/1810:45 amIDA - BWI
1 stop6h 20mUnited Airlines
Tue 6/1110:05 amBWI - IDA
1 stop25h 35mUnited Airlines
Deal found 5/6$687
Tue 6/45:56 pmIDA - IAD
1 stop9h 29mUnited Airlines
Tue 6/1110:15 pmIAD - IDA
2 stops13h 25mUnited Airlines
Deal found 5/6$715
Sat 5/182:30 pmIDA - BWI
1 stop6h 30mUnited Airlines
Tue 6/116:25 amBWI - IDA
2 stops12h 50mUnited Airlines
Deal found 5/6$746
Sat 5/181:15 pmIDA - DCA
1 stop7h 30mAmerican Airlines
Tue 6/111:34 pmDCA - IDA
1 stop10h 09mAmerican Airlines
Deal found 5/6$758
Sat 5/1810:45 amIDA - IAD
1 stop6h 32mUnited Airlines
Tue 6/116:30 amIAD - IDA
2 stops12h 45mUnited Airlines
Deal found 5/6$759
Sat 5/187:00 amIDA - DCA
1 stop5h 59mUnited Airlines
Tue 6/116:30 amDCA - IDA
2 stops12h 45mUnited Airlines
Deal found 5/6$759

Idaho Falls to Washington, D.C. 2024 flight deals

Discover exclusive flight deals for travel between Idaho Falls and Washington, D.C. in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
These are some of the best deals we've found on flights to Washington, D.C. in 2024 at this time. More deals are always being added, so be sure to check back regularly.
Thu 7/117:00 pmIDA - IAD
2 stops12h 19mDelta
Sun 7/146:10 amIAD - IDA
2 stops8h 13mDelta
Deal found 5/7$540
Thu 7/116:10 amIDA - DCA
2 stops10h 13mDelta
Sun 7/146:05 amDCA - IDA
2 stops8h 18mDelta
Deal found 5/7$540
Thu 7/116:10 amIDA - IAD
2 stops10h 08mDelta
Sun 7/147:15 amIAD - IDA
1 stop7h 08mDelta
Deal found 5/7$545
Tue 6/45:56 pmIDA - IAD
1 stop9h 29mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$580
Tue 6/43:32 pmIDA - BWI
1 stop12h 08mAlaska Airlines
Tue 6/116:59 pmBWI - IDA
1 stop30h 58mAlaska Airlines
Deal found 5/6$607
Wed 7/106:30 amIDA - BWI
1 stop14h 57mAmerican Airlines
Wed 7/177:07 amBWI - IDA
1 stop16h 32mAmerican Airlines
Deal found 5/5$639
Sat 5/1810:45 amIDA - IAD
1 stop8h 26mUnited Airlines
Tue 6/1110:08 pmIAD - IDA
1 stop13h 32mUnited Airlines
Deal found 5/6$652
Wed 7/105:58 pmIDA - BWI
1 stop9h 22mUnited Airlines
Wed 7/176:30 amBWI - IDA
2 stops16h 38mUnited Airlines
Deal found 5/5$684
Sat 5/1810:45 amIDA - BWI
1 stop6h 20mUnited Airlines
Tue 6/1110:05 amBWI - IDA
1 stop25h 35mUnited Airlines
Deal found 5/6$687

One-way flights to Washington, D.C. from Idaho Falls

Search for one-way flight options from Idaho Falls to Washington, D.C.. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,749,864 searches. Data last updated May 7, 2024.
Some of the best available deals we've found on one-way flights from Idaho Falls to Washington, D.C.. Those needing a return flight from Idaho Falls to Washington, D.C. can use the search form above.
Tue 10/157:00 pmIDA - BWI
1 stop8h 58mDelta
Deal found 5/6$284
Wed 10/167:00 pmIDA - BWI
2 stops12h 09mDelta
Deal found 5/6$289
Tue 10/155:40 pmIDA - BWI
2 stops19h 30mUnited Airlines
Deal found 5/6$319
Sun 8/44:02 pmIDA - IAD
1 stop13h 33mAlaska Airlines
Deal found 5/6$392
Sun 8/46:00 amIDA - BWI
1 stop21h 48mAlaska Airlines
Deal found 5/6$439
Sun 8/44:02 pmIDA - IAD
2 stops24h 34mAlaska Airlines
Deal found 5/6$468
Sun 8/46:30 amIDA - DCA
1 stop7h 59mAmerican Airlines
Deal found 5/6$524
Sun 8/46:00 amIDA - DCA
2 stops12h 59mAlaska Airlines
Deal found 5/6$594
Sun 8/46:30 amIDA - BWI
2 stops10h 55mAmerican Airlines
Deal found 5/6$604

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 2,749,864 searches. Data last updated May 7, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$540 - $718

Route

Depart

Return

Price

Idaho Falls Fanning FieldWashington, D.C. Dulles Intl

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 7/11

2 stops12h 19m

Washington, D.C. Dulles Intl

Sun 7/14

2 stops8h 13m

$540

Idaho Falls Fanning FieldWashington, D.C. Reagan-National

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 7/11

2 stops10h 13m

Washington, D.C. Reagan-National

Sun 7/14

2 stops8h 18m

$540

Idaho Falls Fanning FieldWashington, D.C. Dulles Intl

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 7/11

2 stops10h 08m

Washington, D.C. Dulles Intl

Sun 7/14

1 stop7h 08m

$545

Idaho Falls Fanning FieldWashington, D.C. Dulles Intl

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Tue 6/4

1 stop9h 29m

Washington, D.C. Dulles Intl

Tue 6/11

1 stop13h 32m

$580

Idaho Falls Fanning FieldBaltimore/Washington

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 6/4

1 stop12h 08m

Baltimore/Washington

Tue 6/11

1 stop30h 58m

$607

Idaho Falls Fanning FieldBaltimore/Washington

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 7/10

1 stop14h 57m

Baltimore/Washington

Wed 7/17

1 stop16h 32m

$639

Idaho Falls Fanning FieldWashington, D.C. Dulles Intl

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sat 5/18

1 stop8h 26m

Washington, D.C. Dulles Intl

Tue 6/11

1 stop13h 32m

$652

Idaho Falls Fanning FieldBaltimore/Washington

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 7/10

1 stop9h 22m

Baltimore/Washington

Wed 7/17

2 stops16h 38m

$684

Idaho Falls Fanning FieldWashington, D.C. Dulles Intl

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Tue 7/9

1 stop23h 35m

Washington, D.C. Dulles Intl

Thu 7/18

1 stop18h 55m

$718

Flights are sorted by cheapest first

Deals found on 5/7

When is the cheapest time to fly from Idaho Falls to Washington, D.C.?

Use this chart to determine the cheapest time to fly round-trip from Idaho Falls to Washington, D.C.. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Idaho Falls to Washington, D.C. flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Washington, D.C. by month

Plan your trip from Idaho Falls to Washington, D.C. by taking into account the cheapest months to travel. The average price of a one-way flight from Idaho Falls to Washington, D.C. is currently $435 while a round-trip flight costs $612. Price data was last updated on April 28, 2024.

Currently, September is the cheapest month in which you can book a flight from Idaho Falls to Washington, D.C. (average of $279). Flying from Idaho Falls to Washington, D.C. in June is currently the most expensive (average of $395). 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.

January

$308

February

$303

March

$358

April

$337

May

$339

June

$395

July

$376

August

$297

September

$279

October

$303

November

$328

December

$292

Temperature and rainfall in Washington, D.C. by month

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

WAS

Temperature

35.6 - 80.6 °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 May 7, 2024.
To help decide which airline to fly from Idaho Falls to Washington, D.C., see what other customers have to say about Delta, United Airlines and Alaska Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,147 reviews

Food

7.3

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,147 reviews
8.1
Very good
9,147 reviews

Food

7.3

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
10,810 reviews
8.1
Very good
9,147 reviews

Food

7.3

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,073 reviews
8.1
Very good
9,147 reviews

Food

7.3

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,686 reviews
8.1
Very good
9,147 reviews

Food

7.3

Entertainment

7.3

Overall

8.1

Crew

8.6

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

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.

  • Can I find flights from Idaho Falls to Washington, D.C. for under $600 on Cheapflights?

    Yes, there are multiple flights from Idaho Falls to Washington, D.C. for under $600. The cheapest flight booked recently is on Delta for just $540, but on average you can expect to pay $684.

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

    Delta, at $540, 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 Alaska Airlines. Delta is priced at 17% 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?

    $284 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from $319 and $392, respectively.

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

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

  • What does IDA to IAD mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport flight would often be abbreviated as a IDA to IAD flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

  • Can I find deals for flights from Idaho Falls to Washington, D.C. that include extra baggage allowance?

    The amount of baggage you can bring on your Idaho Falls to Washington, D.C. flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Idaho Falls to Washington, D.C. with specific airlines?

    Yes, Cheapflights allows you to browse and filter Idaho Falls to Washington, D.C. flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from Idaho Falls to Washington, D.C. that allow pets onboard?

    Many airlines flying from Idaho Falls to Washington, D.C. offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Idaho Falls to Washington, D.C.?

    Yes, you can often find last-minute deals on Idaho Falls to Washington, D.C. flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Idaho Falls to Washington, D.C. flight deals updated?

    The Idaho Falls to Washington, D.C. flight deals you see on this page were last updated on 5/7.

See more FAQs

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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 2,749,864 searches. Data last updated May 7, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$359Average$558FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$446Average$763FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$500Average$630FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Search flights from Idaho Falls to Washington, D.C. by cabin class

Find flights from Idaho Falls to Washington, D.C., based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Idaho Falls to Washington, D.C.?

When you search for this flight from Idaho Falls to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Idaho Falls to Washington, D.C.?

Cheapflights helps you find that perfect flight to Washington, D.C. from Idaho Falls by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Idaho Falls to Washington, D.C. with no change fees?

Need flexible booking options for your flight to Washington, D.C. from Idaho Falls? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Idaho Falls to Washington, D.C. become cheaper?

Yes! Start tracking prices for Idaho Falls to Washington, D.C. flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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