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Cheap flights from Idaho Falls to District of Columbia from $267

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 1/7. 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.
United Airlines Logo
2:40 pm - 11:22 pm
IDA
-
IAD
6h 42m1 stop
United Airlines Logo
8:15 am - 1:30 pm
IAD
-
IDA
7h 15m1 stop
$341United Airlines
jue., ene. 15 - dom., ene. 18
American Airlines Logo
2:07 pm - 11:00 pm
IDA
-
DCA
6h 53m1 stop
American Airlines Logo
1:44 pm - 10:36 pm
DCA
-
IDA
10h 52m2 stops
$420American Airlines
vie., ene. 16 - lun., ene. 19
United Airlines Logo
5:00 am - 1:16 pm
IDA
-
IAD
6h 16m1 stop
United Airlines Logo
10:02 am - 3:31 pm
IAD
-
IDA
7h 29m1 stop
$447United Airlines
lun., ene. 5 - jue., ene. 8
American Airlines Logo
2:07 pm - 11:00 pm
IDA
-
DCA
6h 53m1 stop
American Airlines Logo
6:30 am - 1:37 pm
DCA
-
IDA
9h 07m1 stop
$447American Airlines
vie., ene. 16 - lun., ene. 19
United Airlines Logo
2:40 pm - 11:19 pm
IDA
-
IAD
6h 39m1 stop
United Airlines Logo
8:15 am - 1:30 pm
IAD
-
IDA
7h 15m1 stop
$462United Airlines
lun., feb. 23 - jue., feb. 26
American Airlines Logo
7:20 am - 11:12 pm
IDA
-
IAD
13h 52m2 stops
American Airlines Logo
6:00 am - 1:37 pm
IAD
-
IDA
9h 37m1 stop
$464American Airlines
mié., ene. 7 - jue., ene. 15
United Airlines Logo
5:00 am - 3:34 pm
IDA
-
IAD
8h 34m1 stop
United Airlines Logo
4:00 pm - 9:14 pm
IAD
-
IDA
7h 14m1 stop
$481United Airlines
lun., dic. 29 - jue., ene. 1
American Airlines Logo
8:24 am - 10:19 pm
IDA
-
IAD
11h 55m2 stops
American Airlines Logo
7:03 am - 12:15 pm
IAD
-
IDA
7h 12m1 stop
$484American Airlines
sáb., may. 16 - mié., may. 27
United Airlines Logo
10:51 am - 9:08 pm
IDA
-
IAD
8h 17m1 stop
United Airlines Logo
8:15 am - 1:30 pm
IAD
-
IDA
7h 15m1 stop
$492United Airlines
vie., ene. 9 - mar., ene. 13
Alaska Airlines Logo
6:58 pm - 4:26 pm
IDA
-
IAD
19h 28m1 stop
Alaska Airlines Logo
5:26 pm - 10:59 pm
IAD
-
IDA
31h 33m2 stops
$502Alaska Airlines
mié., ene. 7 - jue., ene. 15

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
Jan 15
IDA2:40 pmIdaho Falls Fanning Field
6h 42m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
Jan 18
IAD8:15 amWashington, D.C. Dulles Intl
7h 15m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
$341
Find similar
United Airlines
Jan 5
IDA5:00 amIdaho Falls Fanning Field
6h 16m
1 stop
IAD1:16 pmWashington, D.C. Dulles Intl
Jan 8
IAD10:02 amWashington, D.C. Dulles Intl
7h 29m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
$447
Find similar
United Airlines
Feb 23
IDA2:40 pmIdaho Falls Fanning Field
6h 39m
1 stop
IAD11:19 pmWashington, D.C. Dulles Intl
Feb 26
IAD8:15 amWashington, D.C. Dulles Intl
7h 15m
1 stop
IDA1:30 pmIdaho Falls Fanning Field
$462
Find similar

American Airlines flights from Idaho Falls to District of Columbia

Our best American Airlines deals on Idaho Falls to District of Columbia flight tickets
American Airlines
Jan 16
IDA2:07 pmIdaho Falls Fanning Field
6h 53m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
Jan 19
DCA1:44 pmWashington, D.C. Reagan-National
10h 52m
2 stops
IDA10:36 pmIdaho Falls Fanning Field
$420
Find similar
American Airlines
Jan 16
IDA2:07 pmIdaho Falls Fanning Field
6h 53m
1 stop
DCA11:00 pmWashington, D.C. Reagan-National
Jan 19
DCA6:30 amWashington, D.C. Reagan-National
9h 07m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
$447
Find similar
American Airlines
Jan 7
IDA7:20 amIdaho Falls Fanning Field
13h 52m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
Jan 15
IAD6:00 amWashington, D.C. Dulles Intl
9h 37m
1 stop
IDA1:37 pmIdaho Falls Fanning Field
$464
Find similar

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 diciembre 16, 2025.
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

jue. 1/15

2:40 pm-11:22 pm

1 stop6h 42m

Washington, D.C. Dulles Intl

dom. 1/18

8:15 am-1:30 pm

1 stop7h 15m

$341

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

vie. 1/16

2:07 pm-11:00 pm

1 stop6h 53m

Washington, D.C. Reagan-National

lun. 1/19

1:44 pm-10:36 pm

2 stops10h 52m

$420

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

lun. 1/5

5:00 am-1:16 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

jue. 1/8

10:02 am-3:31 pm

1 stop7h 29m

$447

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

vie. 1/16

2:07 pm-11:00 pm

1 stop6h 53m

Washington, D.C. Reagan-National

lun. 1/19

6:30 am-1:37 pm

1 stop9h 07m

$447

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

lun. 2/23

2:40 pm-11:19 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

jue. 2/26

8:15 am-1:30 pm

1 stop7h 15m

$462

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 1/7

7:20 am-11:12 pm

2 stops13h 52m

Washington, D.C. Dulles Intl

jue. 1/15

6:00 am-1:37 pm

1 stop9h 37m

$464

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

lun. 12/29

5:00 am-3:34 pm

1 stop8h 34m

Washington, D.C. Dulles Intl

jue. 1/1

4:00 pm-9:14 pm

1 stop7h 14m

$481

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

sáb. 5/16

8:24 am-10:19 pm

2 stops11h 55m

Washington, D.C. Dulles Intl

mié. 5/27

7:03 am-12:15 pm

1 stop7h 12m

$484

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

vie. 1/9

10:51 am-9:08 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

mar. 1/13

8:15 am-1:30 pm

1 stop7h 15m

$492

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

mié. 1/7

6:58 pm-4:26 pm

1 stop19h 28m

Washington, D.C. Dulles Intl

jue. 1/15

5:26 pm-10:59 pm

2 stops31h 33m

$502

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Wednesday when prices can be found for as low as $608. This is often the case because there is less demand to fly during this day of the week. On the other hand, Thursday is the most expensive day to depart from Idaho Falls because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $853.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Idaho Falls at noon is the least expensive time of day to depart. momondo users have found prices as low as $671 when looking at flights departing at noon. Flights to District of Columbia are more costly in the evening, with an average ticket price of $737. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 1% 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 29m

Direct flights

None
The fastest flight from Idaho Falls to District of Columbia takes 6h 29m
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.
Search flight deals

  • 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
American AirlinesPriceFrom $437Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
United AirlinesPriceFrom $446Free CancellationRating
7.4
9,092 reviews
Search United 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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