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.

$447 Cheap Flights from Twin Falls to Washington, D.C. in 2025/26

1 adult

0 bags

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6:15 am - 11:51 pmTWF-IAD

15h 36m1 stop

7:15 am - 10:14 pmIAD-TWF

16h 59m1 stop

$447Delta

Find Deal

Wed, Apr 29 - Sat, May 2

6:15 am - 11:51 pmTWF-IAD

15h 36m1 stop

12:00 pm - 10:14 pmIAD-TWF

12h 14m2 stops

$452Delta

Find Deal

Wed, Apr 29 - Sat, May 2

3:42 pm - 11:48 pmTWF-IAD

6h 06m1 stop

7:05 am - 3:02 pmIAD-TWF

9h 57m1 stop

$456Delta

Find Deal

Wed, Feb 25 - Wed, Mar 4

3:42 pm - 11:42 pmTWF-BWI

6h 00m1 stop

7:05 am - 3:02 pmBWI-TWF

9h 57m1 stop

$456Delta

Find Deal

Wed, Feb 25 - Wed, Mar 4

3:42 pm - 11:48 pmTWF-IAD

6h 06m1 stop

7:00 am - 3:02 pmIAD-TWF

10h 02m2 stops

$508Delta

Find Deal

Wed, Feb 25 - Wed, Mar 4

3:42 pm - 11:42 pmTWF-BWI

6h 00m1 stop

6:05 am - 3:02 pmBWI-TWF

10h 57m2 stops

$508Delta

Find Deal

Wed, Feb 25 - Wed, Mar 4

6:15 am - 10:59 pmTWF-IAD

14h 44m2 stops

5:00 pm - 10:14 pmIAD-TWF

31h 14m2 stops

$522Delta

Find Deal

Wed, Apr 29 - Sat, May 2

3:23 pm - 11:58 pmTWF-IAD

6h 35m1 stop

7:18 am - 4:31 pmIAD-TWF

11h 13m2 stops

$533Delta

Find Deal

Thu, Nov 20 - Thu, Nov 27

6:00 am - 5:04 pmTWF-IAD

9h 04m2 stops

6:00 am - 4:31 pmIAD-TWF

12h 31m2 stops

$573Delta

Find Deal

Thu, Nov 20 - Thu, Nov 27

6:00 am - 5:16 pmTWF-BWI

9h 16m2 stops

8:05 am - 4:31 pmBWI-TWF

10h 26m2 stops

$587Delta

Find Deal

Thu, Nov 20 - Thu, Nov 27

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

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

Delta

Apr 29

TWF6:15 amTwin Falls Joslin

15h 36m

1 stop

IAD11:51 pmWashington, D.C. Dulles Intl

May 2

IAD7:15 amWashington, D.C. Dulles Intl

16h 59m

1 stop

TWF10:14 pmTwin Falls Joslin

$447

Find similar

Delta

Apr 29

TWF6:15 amTwin Falls Joslin

15h 36m

1 stop

IAD11:51 pmWashington, D.C. Dulles Intl

May 2

IAD12:00 pmWashington, D.C. Dulles Intl

12h 14m

2 stops

TWF10:14 pmTwin Falls Joslin

$452

Find similar

Delta

Feb 25

TWF3:42 pmTwin Falls Joslin

6h 06m

1 stop

IAD11:48 pmWashington, D.C. Dulles Intl

Mar 4

IAD7:05 amWashington, D.C. Dulles Intl

9h 57m

1 stop

TWF3:02 pmTwin Falls Joslin

$456

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 4/29

6:15 am-11:51 pm

1 stop15h 36m

Washington, D.C. Dulles Intl

Sat 5/2

7:15 am-10:14 pm

1 stop16h 59m

$447

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 4/29

6:15 am-11:51 pm

1 stop15h 36m

Washington, D.C. Dulles Intl

Sat 5/2

12:00 pm-10:14 pm

2 stops12h 14m

$452

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

3:42 pm-11:48 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-3:02 pm

1 stop9h 57m

$456

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

3:42 pm-11:42 pm

1 stop6h 00m

Baltimore/Washington

Wed 3/4

7:05 am-3:02 pm

1 stop9h 57m

$456

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 2/25

3:42 pm-11:48 pm

1 stop6h 06m

Washington, D.C. Dulles Intl

Wed 3/4

7:00 am-3:02 pm

2 stops10h 02m

$508

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Wed 2/25

3:42 pm-11:42 pm

1 stop6h 00m

Baltimore/Washington

Wed 3/4

6:05 am-3:02 pm

2 stops10h 57m

$508

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Wed 4/29

6:15 am-10:59 pm

2 stops14h 44m

Washington, D.C. Dulles Intl

Sat 5/2

5:00 pm-10:14 pm

2 stops31h 14m

$522

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 11/20

3:23 pm-11:58 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Thu 11/27

7:18 am-4:31 pm

2 stops11h 13m

$533

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 11/20

6:00 am-5:04 pm

2 stops9h 04m

Washington, D.C. Dulles Intl

Thu 11/27

6:00 am-4:31 pm

2 stops12h 31m

$573

Twin FallsBaltimore

TWF - BWI

TWFBWI

Twin Falls Joslin

Thu 11/20

6:00 am-5:16 pm

2 stops9h 16m

Baltimore/Washington

Thu 11/27

8:05 am-4:31 pm

2 stops10h 26m

$587

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.

Direct flights	None

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 00m 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.

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Woodbridge

Waldorf

Tysons

Laurel

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Silver Spring

Fredericksburg

Towson

Rockville

Manassas

Reston

Gaithersburg

Fairfax

Glen Burnie

Springfield

Linthicum Heights

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.