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

IDA — WAS
Aug 16 — Aug 231

The best prices from Idaho Falls Fanning Field to Washington, D.C. are usually found in October or December, booked 50 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

How to find the cheapest flight from Idaho Falls (IDA) to Washington, D.C. (WAS)

All the information you need to plan the best IDA to WAS flight in 2022: compare Idaho Falls to Washington, D.C. flight prices with the expected peak season, weather and rainfall in Washington, D.C..

IDA - WAS

Price

$386 - $1,125

WAS

Temperature

35.6 - 80.6 °F

WAS

Rainfall

2.6 - 4 inches

Popular inMayHigh demand for flights, 45% potential price rise
Cheapest inOctoberBest time to find cheap flights, 38% potential price drop
Round-trip from$386From Idaho Falls Fanning Field to Washington, D.C. (WAS)
One-way from$308One-way flight 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 Saturday. 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..

How far in advance should I book a flight from Idaho Falls to Washington, D.C.?

Find a great deal and save up to 50% by booking at least 51 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Idaho Falls to Washington, D.C. within the next two weeks, with the cheapest ticket starting at $724.

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 $624 per person but you can even find prices for as low as $307. The most expensive prices can be found in the month of May. Opting for a October flight can save you 80% on your journey compared to booking in May

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 at noon could potentially save you up to 20% on airfare.

Cheap flights from Idaho Falls to Washington, D.C. in August, September 2022

The best prices found for IDA to WAS flights for August, September
Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

17h 30m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

21h 10m
$334

United Airlines

Pick Dates

Deal found 8/10/22

Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

2 stops

26h 29m
BWI

Baltimore/Washington

IDA

Idaho Falls Fanning Field

2 stops

25h 31m
$343

United Airlines

Pick Dates

Deal found 8/10/22

Sep 2 - Sep 5
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

15h 22m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

14h 00m
$374

United Airlines

Pick Dates

Deal found 8/10/22

Idaho Falls to Washington, D.C. 2022 flight deals

Cheap flights to Washington, D.C. from Idaho Falls found for this year
Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

17h 30m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

21h 10m
$334

United Airlines

Pick Dates

Deal found 8/10/22

Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

2 stops

26h 29m
BWI

Baltimore/Washington

IDA

Idaho Falls Fanning Field

2 stops

25h 31m
$343

United Airlines

Pick Dates

Deal found 8/10/22

Sep 2 - Sep 5
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

15h 22m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

14h 00m
$374

United Airlines

Pick Dates

Deal found 8/10/22

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

Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

17h 30m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

21h 10m
$334

United Airlines

Pick Dates

Deal found 8/10/22

Sep 23 - Oct 1
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

2 stops

26h 29m
BWI

Baltimore/Washington

IDA

Idaho Falls Fanning Field

2 stops

25h 31m
$343

United Airlines

Pick Dates

Deal found 8/10/22

Sep 2 - Sep 5
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

1 stop

15h 22m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

14h 00m
$374

United Airlines

Pick Dates

Deal found 8/10/22

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

Nov 16 - Nov 30
IDA

Idaho Falls Fanning Field

IAD

Washington, D.C. Dulles Intl

2 stops

13h 38m
IAD

Washington, D.C. Dulles Intl

IDA

Idaho Falls Fanning Field

1 stop

9h 09m
$442

Delta

Pick Dates

Deal found 8/11/22

Sep 7 - Sep 10
IDA

Idaho Falls Fanning Field

DCA

Washington, D.C. Reagan-National

2 stops

11h 29m
DCA

Washington, D.C. Reagan-National

IDA

Idaho Falls Fanning Field

1 stop

6h 46m
$472

Delta

Pick Dates

Deal found 8/10/22

Sep 7 - Sep 10
IDA

Idaho Falls Fanning Field

DCA

Washington, D.C. Reagan-National

2 stops

11h 29m
DCA

Washington, D.C. Reagan-National

IDA

Idaho Falls Fanning Field

2 stops

10h 16m
$477

Delta

Pick Dates

Deal found 8/10/22

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

The cheapest one-way flights from Idaho Falls to Washington, D.C.
Oct 10
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

1 stop

23h 40m
$136

Multiple Airlines

Pick Dates

Deal found 8/9/22

Oct 10
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

2 stops

22h 37m
$178

Multiple Airlines

Pick Dates

Deal found 8/9/22

Sep 18
IDA

Idaho Falls Fanning Field

BWI

Baltimore/Washington

2 stops

39h 24m
$198

Multiple Airlines

Pick Dates

Deal found 8/10/22

Related info for your journey

Useful info, stats and facts about Idaho Falls to Washington, D.C. flights.

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.

Which airlines flying from Idaho Falls Fanning Field to Washington, D.C. have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Idaho Falls Fanning Field to Washington, D.C. that may be offering flexible cancellation policies are United Airlines, American Airlines, and Delta. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Idaho Falls to Washington, D.C. for under $400 on Cheapflights?

Yes, there are multiple flights from Idaho Falls to Washington, D.C. for under $400. The cheapest flight booked recently is on United Airlines for just $334, but on average you can expect to pay $419.

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

United Airlines, at $334, was found to be the cheapest airline from Idaho Falls to Washington, D.C..Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is priced at 46% 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?

$225 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 Delta and United Airlines, with prices starting from $234 and $308, 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 - Baltimore/Washington, Idaho Falls Fanning Field - Washington, D.C. Dulles Intl or Idaho Falls Fanning Field - Washington, D.C. Reagan-National as they are the most popular.

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

Before booking your flight from Idaho Falls to Washington, D.C. check out the most popular airlines for this route: American Airlines, Delta or United Airlines.

What are the cheapest flights from Idaho Falls to Washington, D.C.?

Looking for the cheapest flight from Idaho Falls to Washington, D.C.? While on average our users pay $338, our data indicates the cheapest price to be $239. The most popular route (Idaho Falls Fanning Field - Baltimore/Washington), is priced around $508.

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

The chart below displays the airlines Cheapflights users traveling from Idaho Falls to Washington, D.C. choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
American AirlinesCheapest$226Average$479FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$244Average$547FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$309Average$478FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights