Which layover airport has the shortest connection time from Idaho Falls to Washington, D.C.?

Denver (DEN) has the shortest average layover time for this route: 1h 21m.

Which airport is the most popular layover for flights between Idaho Falls and Washington, D.C.?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Idaho Falls Fanning Field to Washington, D.C.?

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

Which layover airport has the shortest travel time from Idaho Falls to Washington, D.C.?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 30m.

Which layover airport offers the lowest fares from Idaho Falls to Washington, D.C.?

Flights via Denver (DEN) offer the lowest average round-trip price of $841.

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

Prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C. are updated daily.

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

As of April 2026, there are 2 operators available to choose from for flights from Idaho Falls Fanning Field Airport to Washington, D.C..

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$149 Cheap Flights from Idaho Falls to Washington, D.C. in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $484 to $467. The lowest price recently found on this route was $349.

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:10 pm - 12:40 am

IDA

IAD

6h 30m

1 stop

6:30 am - 1:24 pm

IAD

IDA

8h 54m

1 stop

$349United Airlines

Thu, Sep 3 - Tue, Sep 8

4:03 pm - 3:17 pm

IDA

BWI

21h 14m

1 stop

4:17 pm - 1:17 pm

BWI

IDA

23h 00m

1 stop

$369Alaska Airlines

Thu, May 28 - Mon, Jun 1

2:30 pm - 11:24 pm

IDA

BWI

6h 54m

1 stop

11:08 am - 9:04 pm

BWI

IDA

11h 56m

2 stops

$399United Airlines

Mon, Apr 20 - Tue, Apr 28

7:48 am - 10:15 pm

IDA

DCA

12h 27m

2 stops

6:57 am - 1:13 pm

DCA

IDA

8h 16m

1 stop

$404American Airlines

Tue, Apr 21 - Sat, Apr 25

4:59 pm - 5:40 am

IDA

IAD

10h 41m

1 stop

9:00 am - 3:29 pm

IAD

IDA

8h 29m

1 stop

$404Alaska Airlines

Tue, Apr 21 - Sat, Apr 25

7:48 am - 11:06 pm

IDA

IAD

13h 18m

2 stops

3:26 pm - 11:39 pm

IAD

IDA

10h 13m

2 stops

$409American Airlines

Tue, Apr 21 - Sat, Apr 25

7:48 am - 10:56 pm

IDA

DCA

13h 08m

2 stops

1:44 pm - 11:39 pm

DCA

IDA

11h 55m

2 stops

$409American Airlines

Tue, Apr 21 - Sat, Apr 25

12:46 pm - 11:40 pm

IDA

DCA

8h 54m

1 stop

6:59 am - 12:10 pm

DCA

IDA

7h 11m

1 stop

$410American Airlines

Thu, Sep 3 - Tue, Sep 8

6:58 pm - 6:00 am

IDA

BWI

9h 02m

1 stop

7:15 am - 12:26 pm

BWI

IDA

7h 11m

1 stop

$437Delta

Fri, Apr 17 - Tue, Apr 21

6:58 pm - 10:20 am

IDA

BWI

13h 22m

2 stops

7:15 am - 12:26 pm

BWI

IDA

7h 11m

1 stop

$442Delta

Fri, Apr 17 - Tue, Apr 21

Alaska Airlines flights from Idaho Falls to Washington, D.C.

Our best Alaska Airlines deals on Idaho Falls to Washington, D.C. flight tickets

Alaska Airlines

May 28

IDA4:03 pmIdaho Falls Fanning Field

21h 14m

1 stop

BWI3:17 pmBaltimore/Washington

Jun 1

BWI4:17 pmBaltimore/Washington

23h 00m

1 stop

IDA1:17 pmIdaho Falls Fanning Field

$369

Alaska Airlines

Apr 21

IDA4:59 pmIdaho Falls Fanning Field

10h 41m

1 stop

IAD5:40 amWashington, D.C. Dulles Intl

Apr 25

IAD9:00 amWashington, D.C. Dulles Intl

8h 29m

1 stop

IDA3:29 pmIdaho Falls Fanning Field

$404

Alaska Airlines

Apr 20

IDA4:59 pmIdaho Falls Fanning Field

23h 12m

1 stop

BWI6:11 pmBaltimore/Washington

Apr 28

BWI7:04 amBaltimore/Washington

10h 25m

1 stop

IDA3:29 pmIdaho Falls Fanning Field

$412

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

Our best United Airlines deals on Idaho Falls to Washington, D.C. flight tickets

United Airlines

Sep 3

IDA4:10 pmIdaho Falls Fanning Field

6h 30m

1 stop

IAD12:40 amWashington, D.C. Dulles Intl

Sep 8

IAD6:30 amWashington, D.C. Dulles Intl

8h 54m

1 stop

IDA1:24 pmIdaho Falls Fanning Field

$349

United Airlines

Apr 20

IDA2:30 pmIdaho Falls Fanning Field

6h 54m

1 stop

BWI11:24 pmBaltimore/Washington

Apr 28

BWI11:08 amBaltimore/Washington

11h 56m

2 stops

IDA9:04 pmIdaho Falls Fanning Field

$399

United Airlines

Jun 5

IDA4:10 pmIdaho Falls Fanning Field

6h 35m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jul 1

IAD6:30 amWashington, D.C. Dulles Intl

8h 55m

1 stop

IDA1:25 pmIdaho Falls Fanning Field

$435

momondo Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Thu 9/3

4:10 pm-12:40 am

1 stop6h 30m

Washington, D.C. Dulles Intl

Tue 9/8

6:30 am-1:24 pm

1 stop8h 54m

$349

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Thu 5/28

4:03 pm-3:17 pm

1 stop21h 14m

Baltimore/Washington

Mon 6/1

4:17 pm-1:17 pm

1 stop23h 00m

$369

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Mon 4/20

2:30 pm-11:24 pm

1 stop6h 54m

Baltimore/Washington

Tue 4/28

11:08 am-9:04 pm

2 stops11h 56m

$399

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 4/21

7:48 am-10:15 pm

2 stops12h 27m

Washington, D.C. Reagan-National

Sat 4/25

6:57 am-1:13 pm

1 stop8h 16m

$404

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Tue 4/21

4:59 pm-5:40 am

1 stop10h 41m

Washington, D.C. Dulles Intl

Sat 4/25

9:00 am-3:29 pm

1 stop8h 29m

$404

Idaho FallsWashington, D.C.

IDA - IAD

IDAIAD

Idaho Falls Fanning Field

Tue 4/21

7:48 am-11:06 pm

2 stops13h 18m

Washington, D.C. Dulles Intl

Sat 4/25

3:26 pm-11:39 pm

2 stops10h 13m

$409

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Tue 4/21

7:48 am-10:56 pm

2 stops13h 08m

Washington, D.C. Reagan-National

Sat 4/25

1:44 pm-11:39 pm

2 stops11h 55m

$409

Idaho FallsWashington, D.C.

IDA - DCA

IDADCA

Idaho Falls Fanning Field

Thu 9/3

12:46 pm-11:40 pm

1 stop8h 54m

Washington, D.C. Reagan-National

Tue 9/8

6:59 am-12:10 pm

1 stop7h 11m

$410

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Fri 4/17

6:58 pm-6:00 am

1 stop9h 02m

Baltimore/Washington

Tue 4/21

7:15 am-12:26 pm

1 stop7h 11m

$437

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Fri 4/17

6:58 pm-10:20 am

2 stops13h 22m

Baltimore/Washington

Tue 4/21

7:15 am-12:26 pm

1 stop7h 11m

$442

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

Layovers

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

Can stopping save me money on Idaho Falls to Washington, D.C. flights?

You could potentially save up to 20% on your flight if you consider stops on a Idaho Falls to Washington, D.C. flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Washington, D.C. 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. (IDA to WAS) flight deals and tips

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

Fastest flight time	6h 35m
Direct flights	None

The fastest flight from Idaho Falls to Washington, D.C. takes 6h 35m

There are no direct flights from Idaho Falls to Washington, D.C.. There are no popular flight routes from Idaho Falls to Washington, D.C..

Search flight deals

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

How far is Idaho Falls Fanning Field to Washington, D.C. by plane?
There are 1831.8 mi between Idaho Falls Fanning Field and Washington, D.C.. A reasonable flight in good conditions will take 6h 35m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C.?
Prices for flights from Idaho Falls Fanning Field Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Washington, D.C.?
As of April 2026, there are 2 operators available to choose from for flights from Idaho Falls Fanning Field Airport to Washington, D.C..
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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 Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Idaho Falls to Washington, D.C.?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Idaho Falls to Washington, D.C. is United Airlines (100% of total bookings).

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

Compare and see reviews for airlines that fly from Idaho Falls to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $194	Free Cancellation	Rating 7.9 8,382 reviews		Search Delta flights
United Airlines	PriceFrom $446	Free Cancellation	Rating 7.4 9,546 reviews		Search United Airlines flights

Alexandria

National Harbor

Gettysburg

Arlington

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Manassas

Tysons

Linthicum Heights

Bethesda

Fairfax

Springfield

College Park

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Washington, D.C. for you.

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.?

Once all potential Idaho Falls to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Idaho Falls to Washington, D.C. 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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Other flights from Idaho Falls

Complete your trip

Feeling lucky

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Idaho Falls to Washington, D.C. from $149

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 6/15. 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.

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Alaska Airlines flights from Idaho Falls to Washington, D.C.

Our best Alaska Airlines deals on Idaho Falls to Washington, D.C. flight tickets

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

Our best United Airlines deals on Idaho Falls to Washington, D.C. flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Idaho Falls to Washington, D.C. that are best for you.

See travel insights to Washington, D.C. from

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

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

Can stopping save me money on Idaho Falls to Washington, D.C. flights?

What is the cheapest airline that flies from Idaho Falls Fanning Field to Washington, D.C.?

Which airport is the most popular layover for flights between Idaho Falls and Washington, D.C.?

Which layover airport offers the lowest fares from Idaho Falls to Washington, D.C.?

Which layover airport has the shortest travel time from Idaho Falls to Washington, D.C.?

Which layover airport has the shortest connection time from Idaho Falls to Washington, D.C.?

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

Cheap Idaho Falls to Washington, D.C. (IDA to WAS) flight deals and tips

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

Fastest flight time

Direct flights

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

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

Compare and see reviews for airlines that fly from Idaho Falls to Washington, D.C. with momondo

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

Why use momondo?

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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According to popular flight searches on momondo this year

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