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Cheap flights from Idaho Falls to Washington, D.C. from $210

This is the cheapest one-way 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 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:54 pm - 8:04 am
IDA
-
IAD
34h 10m
2 stops
Multiple Airlines Logo
8:59 am - 10:22 am
IAD
-
IDA
27h 23m
1 stop
$346Multiple Airlines
Thu, Aug 20 - Thu, Aug 27
United Airlines Logo
2:25 pm - 11:19 pm
IDA
-
IAD
6h 54m
1 stop
United Airlines Logo
10:10 am - 3:23 pm
IAD
-
IDA
7h 13m
1 stop
$359United Airlines
Mon, Aug 24 - Mon, Aug 31
United Airlines Logo
2:35 pm - 11:15 pm
IDA
-
IAD
6h 40m
1 stop
United Airlines Logo
4:10 pm - 9:09 pm
IAD
-
IDA
6h 59m
1 stop
$359United Airlines
Thu, Nov 5 - Mon, Nov 9
United Airlines Logo
4:04 pm - 12:32 am
IDA
-
IAD
6h 28m
1 stop
United Airlines Logo
6:30 am - 1:29 pm
IAD
-
IDA
8h 59m
1 stop
$359United Airlines
Thu, Sep 17 - Sun, Sep 20
Delta Logo
6:56 pm - 9:19 am
IDA
-
IAD
12h 23m
2 stops
Delta Logo
6:13 am - 12:22 pm
IAD
-
IDA
8h 09m
1 stop
$364Delta
Mon, Oct 26 - Fri, Oct 30
Delta Logo
6:56 pm - 9:19 am
IDA
-
IAD
12h 23m
2 stops
Delta Logo
7:23 am - 6:16 pm
IAD
-
IDA
12h 53m
2 stops
$370Delta
Mon, Oct 26 - Fri, Oct 30
United Airlines Logo
4:04 pm - 12:32 am
IDA
-
IAD
6h 28m
1 stop
United Airlines Logo
6:30 am - 1:29 pm
IAD
-
IDA
8h 59m
1 stop
$379United Airlines
Thu, Sep 17 - Sun, Sep 20
American Airlines Logo
1:39 pm - 11:23 pm
IDA
-
IAD
7h 44m
1 stop
American Airlines Logo
3:08 pm - 9:42 pm
IAD
-
IDA
8h 34m
1 stop
$384American Airlines
Mon, Oct 26 - Fri, Oct 30
Delta Logo
3:17 pm - 11:39 pm
IDA
-
IAD
6h 22m
1 stop
Delta Logo
7:00 am - 2:35 pm
IAD
-
IDA
9h 35m
1 stop
$384Delta
Wed, Sep 2 - Mon, Sep 7
Delta Logo
6:56 pm - 9:19 am
IDA
-
IAD
12h 23m
2 stops
Delta Logo
7:23 am - 6:16 pm
IAD
-
IDA
12h 53m
2 stops
$389Delta
Mon, Oct 26 - Fri, Oct 30

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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
Oct 26
IDA6:56 pmIdaho Falls Fanning Field
12h 23m
2 stops
IAD9:19 amWashington, D.C. Dulles Intl
Oct 30
IAD6:13 amWashington, D.C. Dulles Intl
8h 09m
1 stop
IDA12:22 pmIdaho Falls Fanning Field
$364
Delta
Oct 26
IDA6:56 pmIdaho Falls Fanning Field
12h 23m
2 stops
IAD9:19 amWashington, D.C. Dulles Intl
Oct 30
IAD7:23 amWashington, D.C. Dulles Intl
12h 53m
2 stops
IDA6:16 pmIdaho Falls Fanning Field
$370
Delta
Sep 2
IDA11:35 amIdaho Falls Fanning Field
9h 51m
2 stops
IAD11:26 pmWashington, D.C. Dulles Intl
Sep 7
IAD7:00 amWashington, D.C. Dulles Intl
9h 35m
1 stop
IDA2:35 pmIdaho Falls Fanning Field
$389

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

Our best American Airlines deals on Idaho Falls to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Oct 26
IDA1:39 pmIdaho Falls Fanning Field
7h 44m
1 stop
IAD11:23 pmWashington, D.C. Dulles Intl
Oct 30
IAD3:08 pmWashington, D.C. Dulles Intl
8h 34m
1 stop
IDA9:42 pmIdaho Falls Fanning Field
$384
American Airlines
Sep 2
IDA1:43 pmIdaho Falls Fanning Field
21h 05m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:09 amWashington, D.C. Dulles Intl
7h 21m
1 stop
IDA11:30 amIdaho Falls Fanning Field
$457
American Airlines
Sep 2
IDA1:43 pmIdaho Falls Fanning Field
21h 05m
2 stops
IAD12:48 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:09 amWashington, D.C. Dulles Intl
7h 21m
1 stop
IDA11:30 amIdaho Falls Fanning Field
$522

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 July 31, 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

Cheapest round-trip

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 8/20

7:54 pm-8:04 am

2 stops34h 10m

Washington, D.C. Dulles Intl

Thu 8/27

8:59 am-10:22 am

1 stop27h 23m

$346

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 8/24

2:25 pm-11:19 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Mon 8/31

10:10 am-3:23 pm

1 stop7h 13m

$359
Quickest round-trip

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 11/5

2:35 pm-11:15 pm

1 stop6h 40m

Washington, D.C. Dulles Intl

Mon 11/9

4:10 pm-9:09 pm

1 stop6h 59m

$359

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 9/17

4:04 pm-12:32 am

1 stop6h 28m

Washington, D.C. Dulles Intl

Sun 9/20

6:30 am-1:29 pm

1 stop8h 59m

$359

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 10/26

6:56 pm-9:19 am

2 stops12h 23m

Washington, D.C. Dulles Intl

Fri 10/30

6:13 am-12:22 pm

1 stop8h 09m

$364

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 10/26

6:56 pm-9:19 am

2 stops12h 23m

Washington, D.C. Dulles Intl

Fri 10/30

7:23 am-6:16 pm

2 stops12h 53m

$370

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 9/17

4:04 pm-12:32 am

1 stop6h 28m

Washington, D.C. Dulles Intl

Sun 9/20

6:30 am-1:29 pm

1 stop8h 59m

$379

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 10/26

1:39 pm-11:23 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Fri 10/30

3:08 pm-9:42 pm

1 stop8h 34m

$384

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 9/2

3:17 pm-11:39 pm

1 stop6h 22m

Washington, D.C. Dulles Intl

Mon 9/7

7:00 am-2:35 pm

1 stop9h 35m

$384

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Mon 10/26

6:56 pm-9:19 am

2 stops12h 23m

Washington, D.C. Dulles Intl

Fri 10/30

7:23 am-6:16 pm

2 stops12h 53m

$389

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 cheapest airline that flies from Idaho Falls Fanning Field to Washington, D.C. Dulles Intl?

Alaska Airlines, United Airlines, and Delta are the most popular carriers operating from Idaho Falls Fanning Field to Washington, D.C. Dulles Intl

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 28m

Direct flights

None
The fastest flight from Idaho Falls to Washington, D.C. Dulles Intl Airport takes 6h 28m
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

Frequently asked questions about flying from Idaho Falls to Washington, D.C. Dulles Intl Airport

  • 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 28m 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
10,046 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Sterling
Springfield
Fairfax
Tysons
Bethesda

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.

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