Cheap flights from Idaho Falls to District of Columbia from $155

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 District of Columbia departing on 4/13. 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
0 bags

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Find the cheapest flights from Idaho Falls to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
5:59 pm - 5:40 am
IDA
-
IAD
9h 41m
1 stop
Alaska Airlines Logo
7:11 pm - 4:19 pm
IAD
-
IDA
23h 08m
1 stop
$309Alaska Airlines
Wed, Mar 25 - Tue, Mar 31
United Airlines Logo
4:23 pm - 12:37 am
IDA
-
IAD
6h 14m
1 stop
United Airlines Logo
6:30 am - 1:24 pm
IAD
-
IDA
8h 54m
1 stop
$359United Airlines
Sat, Jun 27 - Sat, Jul 4
Alaska Airlines Logo
5:59 pm - 5:40 am
IDA
-
IAD
9h 41m
1 stop
Alaska Airlines Logo
6:22 pm - 4:19 pm
IAD
-
IDA
23h 57m
2 stops
$381Alaska Airlines
Wed, Mar 25 - Tue, Mar 31
Alaska Airlines Logo
5:59 pm - 5:40 am
IDA
-
IAD
9h 41m
1 stop
Alaska Airlines Logo
7:11 pm - 10:52 pm
IAD
-
IDA
29h 41m
1 stop
$383Alaska Airlines
Wed, Mar 25 - Tue, Mar 31
United Airlines Logo
2:31 pm - 12:37 am
IDA
-
IAD
8h 06m
1 stop
United Airlines Logo
6:30 am - 1:24 pm
IAD
-
IDA
8h 54m
1 stop
$403United Airlines
Thu, Jul 30 - Sat, Aug 8
United Airlines Logo
4:10 pm - 12:45 am
IDA
-
IAD
6h 35m
1 stop
United Airlines Logo
6:30 am - 1:25 pm
IAD
-
IDA
8h 55m
1 stop
$408United Airlines
Fri, May 29 - Sun, Jun 7
American Airlines Logo
6:18 am - 8:37 pm
IDA
-
DCA
12h 19m
2 stops
American Airlines Logo
1:44 pm - 11:24 pm
DCA
-
IDA
11h 40m
2 stops
$415American Airlines
Tue, Mar 3 - Sat, Mar 7
American Airlines Logo
12:36 pm - 12:09 am
IDA
-
IAD
9h 33m
2 stops
American Airlines Logo
6:22 am - 12:11 pm
IAD
-
IDA
7h 49m
1 stop
$447American Airlines
Sat, Jun 27 - Sat, Jul 4
Alaska Airlines Logo
5:20 pm - 5:27 pm
IDA
-
IAD
22h 07m
2 stops
Alaska Airlines Logo
6:20 pm - 10:52 pm
IAD
-
IDA
30h 32m
2 stops
$464Alaska Airlines
Wed, Mar 11 - Tue, Mar 17
American Airlines Logo
6:18 am - 8:37 pm
IDA
-
DCA
12h 19m
2 stops
American Airlines Logo
4:59 pm - 11:24 pm
DCA
-
IDA
8h 25m
1 stop
$475American Airlines
Tue, Mar 3 - Sat, Mar 7

United Airlines flights from Idaho Falls to District of Columbia

Our best United Airlines deals on Idaho Falls to District of Columbia flight tickets
United Airlines
Jun 27
IDA4:23 pmIdaho Falls Fanning Field
6h 14m
1 stop
IAD12:37 amWashington, D.C. Dulles Intl
Jul 4
IAD6:30 amWashington, D.C. Dulles Intl
8h 54m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
$359
United Airlines
Jul 30
IDA2:31 pmIdaho Falls Fanning Field
8h 06m
1 stop
IAD12:37 amWashington, D.C. Dulles Intl
Aug 8
IAD6:30 amWashington, D.C. Dulles Intl
8h 54m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
$403
United Airlines
May 29
IDA4:10 pmIdaho Falls Fanning Field
6h 35m
1 stop
IAD12:45 amWashington, D.C. Dulles Intl
Jun 7
IAD6:30 amWashington, D.C. Dulles Intl
8h 55m
1 stop
IDA1:25 pmIdaho Falls Fanning Field
$408

Alaska Airlines flights from Idaho Falls to District of Columbia

Our best Alaska Airlines deals on Idaho Falls to District of Columbia flight tickets
Alaska Airlines
Mar 25
IDA5:59 pmIdaho Falls Fanning Field
9h 41m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Mar 31
IAD7:11 pmWashington, D.C. Dulles Intl
23h 08m
1 stop
IDA4:19 pmIdaho Falls Fanning Field
$309
Alaska Airlines
Mar 25
IDA5:59 pmIdaho Falls Fanning Field
9h 41m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Mar 31
IAD6:22 pmWashington, D.C. Dulles Intl
23h 57m
2 stops
IDA4:19 pmIdaho Falls Fanning Field
$381
Alaska Airlines
Mar 25
IDA5:59 pmIdaho Falls Fanning Field
9h 41m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Mar 31
IAD7:11 pmWashington, D.C. Dulles Intl
29h 41m
1 stop
IDA10:52 pmIdaho Falls Fanning Field
$383

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to District of Columbia 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 February 17, 2026.
Use the filters below to find and compare flights from Idaho Falls to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 3/25

5:59 pm-5:40 am

1 stop9h 41m

Washington, D.C. Dulles Intl

Tue 3/31

7:11 pm-4:19 pm

1 stop23h 08m

$309

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sat 6/27

4:23 pm-12:37 am

1 stop6h 14m

Washington, D.C. Dulles Intl

Sat 7/4

6:30 am-1:24 pm

1 stop8h 54m

$359

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 3/25

5:59 pm-5:40 am

1 stop9h 41m

Washington, D.C. Dulles Intl

Tue 3/31

6:22 pm-4:19 pm

2 stops23h 57m

$381

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 3/25

5:59 pm-5:40 am

1 stop9h 41m

Washington, D.C. Dulles Intl

Tue 3/31

7:11 pm-10:52 pm

1 stop29h 41m

$383

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 7/30

2:31 pm-12:37 am

1 stop8h 06m

Washington, D.C. Dulles Intl

Sat 8/8

6:30 am-1:24 pm

1 stop8h 54m

$403

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Fri 5/29

4:10 pm-12:45 am

1 stop6h 35m

Washington, D.C. Dulles Intl

Sun 6/7

6:30 am-1:25 pm

1 stop8h 55m

$408

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 3/3

6:18 am-8:37 pm

2 stops12h 19m

Washington, D.C. Reagan-National

Sat 3/7

1:44 pm-11:24 pm

2 stops11h 40m

$415

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Sat 6/27

12:36 pm-12:09 am

2 stops9h 33m

Washington, D.C. Dulles Intl

Sat 7/4

6:22 am-12:11 pm

1 stop7h 49m

$447

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Wed 3/11

5:20 pm-5:27 pm

2 stops22h 07m

Washington, D.C. Dulles Intl

Tue 3/17

6:20 pm-10:52 pm

2 stops30h 32m

$464

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 3/3

6:18 am-8:37 pm

2 stops12h 19m

Washington, D.C. Reagan-National

Sat 3/7

4:59 pm-11:24 pm

1 stop8h 25m

$475

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Idaho Falls to District of Columbia

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

Can stopping save me money on Idaho Falls to District of Columbia flights?

You could potentially save up to 33% on your flight if you consider stops on a Idaho Falls to District of Columbia flight.

Cheap Idaho Falls to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to District of Columbia

Fastest flight time

6h 14m

Direct flights

None
The fastest flight from Idaho Falls to District of Columbia takes 6h 14m
There are no direct flights from Idaho Falls to District of Columbia. There are no popular flight routes from Idaho Falls to District of Columbia.
  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to District of Columbia?

    Prices for flights from Idaho Falls Fanning Field Airport to District of Columbia were last updated today.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to District of Columbia?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia 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 District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho Falls to District of Columbia

Compare and see reviews for airlines that fly from Idaho Falls to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,206 reviews
Search Delta flights
United AirlinesPriceFrom $394Free CancellationRating
7.4
9,308 reviews
Search United Airlines flights
American AirlinesPriceFrom $462Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho Falls to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho Falls to District of Columbia with flexible booking policies on momondo?

Flights from Idaho Falls to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Idaho Falls to District of Columbia?

Once you have performed a search for Idaho Falls to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Idaho Falls to District of Columbia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Idaho Falls to District of Columbia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Thu 3/19
Thu 3/26

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