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Cheap flights from Idaho Falls to Washington, D.C. from $334

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Washington, D.C. departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:45 am - 7:24 pm
IDA
-
IAD
6h 39m
1 stop
United Airlines Logo
3:58 pm - 8:58 pm
IAD
-
IDA
7h 00m
1 stop
$334United Airlines
mié., feb. 25 - mar., mar. 3
United Airlines Logo
2:40 pm - 11:19 pm
IDA
-
IAD
6h 39m
1 stop
United Airlines Logo
2:12 pm - 8:58 pm
IAD
-
IDA
8h 46m
1 stop
$359United Airlines
jue., feb. 26 - mar., mar. 3
Delta Logo
6:35 pm - 9:13 am
IDA
-
IAD
12h 38m
2 stops
Delta Logo
7:05 am - 5:49 pm
IAD
-
IDA
12h 44m
1 stop
$372Delta
mié., feb. 25 - mar., mar. 3
Delta Logo
6:35 pm - 9:13 am
IDA
-
IAD
12h 38m
2 stops
Delta Logo
7:52 pm - 12:22 pm
IAD
-
IDA
18h 30m
2 stops
$378Delta
mié., feb. 25 - lun., mar. 2
Alaska Airlines Logo
5:20 pm - 5:40 am
IDA
-
IAD
10h 20m
1 stop
Alaska Airlines Logo
7:05 am - 4:43 pm
IAD
-
IDA
11h 38m
1 stop
$415Alaska Airlines
jue., feb. 26 - lun., mar. 2
Delta Logo
6:35 pm - 9:13 am
IDA
-
IAD
12h 38m
2 stops
Delta Logo
12:38 pm - 10:21 pm
IAD
-
IDA
11h 43m
2 stops
$417Delta
mié., feb. 25 - mar., mar. 3
United Airlines Logo
10:45 am - 7:24 pm
IDA
-
IAD
6h 39m
1 stop
United Airlines Logo
10:25 pm - 9:48 am
IAD
-
IDA
13h 23m
1 stop
$422United Airlines
mié., feb. 25 - lun., mar. 2
Alaska Airlines Logo
5:20 pm - 5:20 pm
IDA
-
IAD
22h 00m
1 stop
Alaska Airlines Logo
6:27 pm - 4:43 pm
IAD
-
IDA
24h 16m
1 stop
$423Alaska Airlines
mié., feb. 25 - lun., mar. 2
Alaska Airlines Logo
5:20 pm - 5:20 pm
IDA
-
IAD
22h 00m
1 stop
Alaska Airlines Logo
7:05 am - 11:36 pm
IAD
-
IDA
18h 31m
1 stop
$433Alaska Airlines
mié., feb. 25 - dom., mar. 1
Delta Logo
6:35 pm - 9:13 am
IDA
-
IAD
12h 38m
2 stops
Delta Logo
7:05 am - 10:21 pm
IAD
-
IDA
17h 16m
1 stop
$447Delta
mié., feb. 25 - dom., mar. 1

United Airlines flights from Idaho Falls to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Idaho Falls to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 25
IDA10:45 amIdaho Falls Fanning Field
6h 39m
1 stop
IAD7:24 pmWashington, D.C. Dulles Intl
Mar 3
IAD3:58 pmWashington, D.C. Dulles Intl
7h 00m
1 stop
IDA8:58 pmIdaho Falls Fanning Field
$334
United Airlines
Feb 26
IDA2:40 pmIdaho Falls Fanning Field
6h 39m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
Mar 3
IAD2:12 pmWashington, D.C. Dulles Intl
8h 46m
1 stop
IDA8:58 pmIdaho Falls Fanning Field
$359
United Airlines
Feb 25
IDA10:45 amIdaho Falls Fanning Field
6h 39m
1 stop
IAD7:24 pmWashington, D.C. Dulles Intl
Mar 2
IAD10:25 pmWashington, D.C. Dulles Intl
13h 23m
1 stop
IDA9:48 amIdaho Falls Fanning Field
$422

Delta flights from Idaho Falls to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Idaho Falls to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Feb 25
IDA6:35 pmIdaho Falls Fanning Field
12h 38m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
Mar 3
IAD7:05 amWashington, D.C. Dulles Intl
12h 44m
1 stop
IDA5:49 pmIdaho Falls Fanning Field
$372
Delta
Feb 25
IDA6:35 pmIdaho Falls Fanning Field
12h 38m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
Mar 2
IAD7:52 pmWashington, D.C. Dulles Intl
18h 30m
2 stops
IDA12:22 pmIdaho Falls Fanning Field
$378
Delta
Feb 25
IDA6:35 pmIdaho Falls Fanning Field
12h 38m
2 stops
IAD9:13 amWashington, D.C. Dulles Intl
Mar 3
IAD12:38 pmWashington, D.C. Dulles Intl
11h 43m
2 stops
IDA10:21 pmIdaho Falls Fanning Field
$417

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated enero 26, 2026.
Use the filters below to find and compare flights from Idaho Falls to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

10:45 am-7:24 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

mar. 3/3

3:58 pm-8:58 pm

1 stop7h 00m

$334

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

jue. 2/26

2:40 pm-11:19 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

mar. 3/3

2:12 pm-8:58 pm

1 stop8h 46m

$359

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

6:35 pm-9:13 am

2 stops12h 38m

Washington, D.C. Dulles Intl

mar. 3/3

7:05 am-5:49 pm

1 stop12h 44m

$372

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

6:35 pm-9:13 am

2 stops12h 38m

Washington, D.C. Dulles Intl

lun. 3/2

7:52 pm-12:22 pm

2 stops18h 30m

$378

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

jue. 2/26

5:20 pm-5:40 am

1 stop10h 20m

Washington, D.C. Dulles Intl

lun. 3/2

7:05 am-4:43 pm

1 stop11h 38m

$415

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

6:35 pm-9:13 am

2 stops12h 38m

Washington, D.C. Dulles Intl

mar. 3/3

12:38 pm-10:21 pm

2 stops11h 43m

$417

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

10:45 am-7:24 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

lun. 3/2

10:25 pm-9:48 am

1 stop13h 23m

$422

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

5:20 pm-5:20 pm

1 stop22h 00m

Washington, D.C. Dulles Intl

lun. 3/2

6:27 pm-4:43 pm

1 stop24h 16m

$423

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

5:20 pm-5:20 pm

1 stop22h 00m

Washington, D.C. Dulles Intl

dom. 3/1

7:05 am-11:36 pm

1 stop18h 31m

$433

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 2/25

6:35 pm-9:13 am

2 stops12h 38m

Washington, D.C. Dulles Intl

dom. 3/1

7:05 am-10:21 pm

1 stop17h 16m

$447

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Idaho Falls to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Idaho Falls and Washington, D.C. Dulles Intl Airport?

When to book flights from Idaho Falls to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Washington, D.C. Dulles Intl Airport (IDA to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Washington, D.C. Dulles Intl Airport

Fastest flight time

6h 17m

Direct flights

None
The fastest flight from Idaho Falls to Washington, D.C. Dulles Intl Airport takes 6h 17m
There are no direct flights from Idaho Falls to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Idaho Falls to Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Idaho Falls Fanning Field to Washington, D.C. Dulles Intl by plane?

    Washington, D.C. Dulles Intl is 1810.0 mi away from Idaho Falls Fanning Field. Typically, this will take 6h 17m by plane in normal conditions.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Idaho Falls to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Idaho Falls to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Idaho Falls to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $446Free CancellationRating
7.4
9,199 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Washington, D.C.?

Finding the right flight to Washington, D.C. from Idaho Falls is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Idaho Falls to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Idaho Falls which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho Falls to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Idaho Falls to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Idaho Falls and alert you when they change.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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