When did momondo last update prices for flights from Twin Falls Joslin Airport to Washington, D.C.?

Prices for flights from Twin Falls Joslin Airport to Washington, D.C. are updated daily.

How old do you have to be to fly from Twin Falls Joslin 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 Twin Falls Joslin Airport to Washington, D.C..

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

The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$456 Cheap Flights from Twin Falls to Washington, D.C. in 2025/26

1 adult

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 11:46 pm

TWF

IAD

6h 06m1 stop

7:05 am - 2:59 pm

IAD

TWF

9h 54m1 stop

$456Delta

Wed, Feb 25 - Wed, Mar 4

3:40 pm - 11:44 pm

TWF

BWI

6h 04m1 stop

7:05 am - 2:59 pm

BWI

TWF

9h 54m1 stop

$507Delta

Wed, Feb 25 - Wed, Mar 4

6:10 am - 6:36 pm

TWF

IAD

10h 26m2 stops

7:05 am - 2:59 pm

IAD

TWF

9h 54m1 stop

$688Delta

Wed, Feb 25 - Wed, Mar 4

6:10 am - 5:56 pm

TWF

BWI

9h 46m2 stops

7:05 am - 2:59 pm

BWI

TWF

9h 54m1 stop

$719Delta

Wed, Feb 25 - Wed, Mar 4

6:00 am - 4:01 pm

TWF

DCA

8h 01m1 stop

5:10 pm - 10:49 pm

DCA

TWF

7h 39m1 stop

$848Delta

Thu, Jan 1 - Mon, Jan 5

6:00 am - 6:13 pm

TWF

DCA

10h 13m2 stops

5:10 pm - 10:49 pm

DCA

TWF

7h 39m1 stop

$954Delta

Thu, Jan 1 - Mon, Jan 5

6:10 am - 5:56 pm

TWF

BWI

9h 46m2 stops

6:05 am - 2:59 pm

BWI

TWF

10h 54m2 stops

$984Delta

Wed, Feb 25 - Wed, Mar 4

6:00 am - 5:51 pm

TWF

BWI

9h 51m2 stops

7:00 am - 3:00 pm

BWI

TWF

10h 00m1 stop

$1,024Delta

Thu, Jan 1 - Mon, Jan 5

6:10 am - 6:36 pm

TWF

IAD

10h 26m2 stops

7:00 am - 2:59 pm

IAD

TWF

9h 59m2 stops

$1,034Delta

Wed, Feb 25 - Wed, Mar 4

6:10 am - 5:56 pm

TWF

BWI

9h 46m2 stops

6:00 am - 2:59 pm

BWI

TWF

10h 59m2 stops

$1,054Delta

Wed, Feb 25 - Wed, Mar 4

Delta flights from Twin Falls to Washington, D.C.

Our best Delta deals on Twin Falls to Washington, D.C. flight tickets

Delta

Feb 25

TWF3:40 pmTwin Falls Joslin

6h 06m

1 stop

IAD11:46 pmWashington, D.C. Dulles Intl

Mar 4

IAD7:05 amWashington, D.C. Dulles Intl

9h 54m

1 stop

TWF2:59 pmTwin Falls Joslin

$456

Find similar

Delta

Feb 25

TWF3:40 pmTwin Falls Joslin

6h 04m

1 stop

BWI11:44 pmBaltimore/Washington

Mar 4

BWI7:05 amBaltimore/Washington

9h 54m

1 stop

TWF2:59 pmTwin Falls Joslin

$507

Find similar

Delta

Feb 25

TWF6:10 amTwin Falls Joslin

10h 26m

2 stops

IAD6:36 pmWashington, D.C. Dulles Intl

Mar 4

IAD7:05 amWashington, D.C. Dulles Intl

9h 54m

1 stop

TWF2:59 pmTwin Falls Joslin

$688

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

3:40 pm-11:46 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-2:59 pm

1 stop9h 54m

$456

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

3:40 pm-11:44 pm

1 stop6h 04m

Baltimore/Washington

Wed 3/4

7:05 am-2:59 pm

1 stop9h 54m

$507

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

6:10 am-6:36 pm

2 stops10h 26m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-2:59 pm

1 stop9h 54m

$688

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

6:10 am-5:56 pm

2 stops9h 46m

Baltimore/Washington

Wed 3/4

7:05 am-2:59 pm

1 stop9h 54m

$719

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 1/1

6:00 am-4:01 pm

1 stop8h 01m

Washington, D.C. Reagan-National

Mon 1/5

5:10 pm-10:49 pm

1 stop7h 39m

$848

Twin FallsWashington, D.C.

TWF - DCA

TWFDCA

Twin Falls Joslin

Thu 1/1

6:00 am-6:13 pm

2 stops10h 13m

Washington, D.C. Reagan-National

Mon 1/5

5:10 pm-10:49 pm

1 stop7h 39m

$954

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

6:10 am-5:56 pm

2 stops9h 46m

Baltimore/Washington

Wed 3/4

6:05 am-2:59 pm

2 stops10h 54m

$984

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 1/1

6:00 am-5:51 pm

2 stops9h 51m

Baltimore/Washington

Mon 1/5

7:00 am-3:00 pm

1 stop10h 00m

$1,024

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

6:10 am-6:36 pm

2 stops10h 26m

Washington, D.C. Dulles Intl

Wed 3/4

7:00 am-2:59 pm

2 stops9h 59m

$1,034

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

6:10 am-5:56 pm

2 stops9h 46m

Baltimore/Washington

Wed 3/4

6:00 am-2:59 pm

2 stops10h 59m

$1,054

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Twin 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

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Twin Falls to Washington, D.C. when you can find flight prices for as low as $577. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $707. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

Fastest flight time	6h 04m
Direct flights	None

The fastest flight from Twin Falls to Washington, D.C. takes 6h 04m

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

Search flight deals

How far is Twin Falls Joslin to Washington, D.C. by plane?
There are 1958.2 mi between Twin Falls Joslin and Washington, D.C.. 6h 04m is a normal flight duration for this route.
When did momondo last update prices for flights from Twin Falls Joslin Airport to Washington, D.C.?
Prices for flights from Twin Falls Joslin Airport to Washington, D.C. are updated daily.
How old do you have to be to fly from Twin Falls Joslin 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 Twin Falls Joslin Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Alexandria

National Harbor

Gettysburg

Arlington

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Towson

Rockville

Gaithersburg

Reston

Manassas

Fairfax

Glen Burnie

Linthicum Heights

Bethesda

Why use momondo?

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

It is quick and easy to find Twin Falls to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Twin 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 Twin Falls which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Twin Falls.

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

Yes. momondo can track prices for Twin Falls to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.