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

Prices for flights from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport.

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

The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$408 Cheap Flights from Twin Falls to Washington, D.C. Dulles Intl Airport in 2026

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 5:57 pm

TWF

IAD

9h 42m

2 stops

8:05 am - 6:41 pm

IAD

TWF

12h 36m

2 stops

$563Delta

Tue, May 5 - Sat, May 9

3:25 pm - 11:44 pm

TWF

IAD

6h 19m

1 stop

12:37 pm - 10:14 pm

IAD

TWF

11h 37m

2 stops

$604Delta

Thu, Apr 16 - Mon, Apr 20

11:45 am - 11:03 pm

TWF

IAD

9h 18m

2 stops

12:37 pm - 10:14 pm

IAD

TWF

11h 37m

2 stops

$609Delta

Thu, Apr 16 - Mon, Apr 20

1:17 pm - 11:44 pm

TWF

IAD

8h 27m

1 stop

8:05 am - 6:41 pm

IAD

TWF

12h 36m

2 stops

$708Delta

Sat, May 2 - Sat, May 9

1:17 pm - 11:03 pm

TWF

IAD

7h 46m

2 stops

8:05 am - 6:41 pm

IAD

TWF

12h 36m

2 stops

$713Delta

Sat, May 2 - Sat, May 9

1:17 pm - 11:44 pm

TWF

IAD

8h 27m

1 stop

8:05 am - 6:41 pm

IAD

TWF

12h 36m

2 stops

$728Delta

Tue, May 5 - Sat, May 9

3:25 pm - 11:44 pm

TWF

IAD

6h 19m

1 stop

7:20 am - 2:39 pm

IAD

TWF

9h 19m

1 stop

$843Delta

Thu, Apr 16 - Mon, Apr 20

1:17 pm - 11:44 pm

TWF

IAD

8h 27m

1 stop

7:30 am - 12:20 pm

IAD

TWF

6h 50m

1 stop

$862Delta

Sat, May 2 - Sat, May 9

1:17 pm - 11:44 pm

TWF

IAD

8h 27m

1 stop

7:30 am - 12:20 pm

IAD

TWF

6h 50m

1 stop

$1,848Delta

Tue, May 5 - Sat, May 9

Delta flights from Twin Falls to Washington, D.C. Dulles Intl Airport

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

Delta

May 5

TWF6:15 amTwin Falls Joslin

9h 42m

2 stops

IAD5:57 pmWashington, D.C. Dulles Intl

May 9

IAD8:05 amWashington, D.C. Dulles Intl

12h 36m

2 stops

TWF6:41 pmTwin Falls Joslin

$563

Delta

Apr 16

TWF3:25 pmTwin Falls Joslin

6h 19m

1 stop

IAD11:44 pmWashington, D.C. Dulles Intl

Apr 20

IAD12:37 pmWashington, D.C. Dulles Intl

11h 37m

2 stops

TWF10:14 pmTwin Falls Joslin

$604

Delta

Apr 16

TWF11:45 amTwin Falls Joslin

9h 18m

2 stops

IAD11:03 pmWashington, D.C. Dulles Intl

Apr 20

IAD12:37 pmWashington, D.C. Dulles Intl

11h 37m

2 stops

TWF10:14 pmTwin Falls Joslin

$609

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 5/5

6:15 am-5:57 pm

2 stops9h 42m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$563

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 4/16

3:25 pm-11:44 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Mon 4/20

12:37 pm-10:14 pm

2 stops11h 37m

$604

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 4/16

11:45 am-11:03 pm

2 stops9h 18m

Washington, D.C. Dulles Intl

Mon 4/20

12:37 pm-10:14 pm

2 stops11h 37m

$609

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Sat 5/2

1:17 pm-11:44 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$708

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Sat 5/2

1:17 pm-11:03 pm

2 stops7h 46m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$713

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 5/5

1:17 pm-11:44 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 5/9

8:05 am-6:41 pm

2 stops12h 36m

$728

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Thu 4/16

3:25 pm-11:44 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Mon 4/20

7:20 am-2:39 pm

1 stop9h 19m

$843

Quickest round-trip

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Sat 5/2

1:17 pm-11:44 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 5/9

7:30 am-12:20 pm

1 stop6h 50m

$862

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 5/5

1:17 pm-11:44 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

Sat 5/9

7:30 am-12:20 pm

1 stop6h 50m

$1,848

Cheapest one-way

Twin FallsWashington, D.C.

TWF - IAD

TWFIAD

Twin Falls Joslin

Tue 5/5

6:15 am-5:57 pm

2 stops9h 42m

$408

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first

How to get the cheapest flight ticket from Twin Falls to Washington, D.C. Dulles Intl Airport

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 airline that flies from Twin Falls Joslin to Washington, D.C. Dulles Intl?

Delta is the most popular carrier operating from Twin Falls Joslin to Washington, D.C. Dulles Intl

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

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

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

Fastest flight time	6h 19m
Direct flights	None

The fastest flight from Twin Falls to Washington, D.C. Dulles Intl Airport takes 6h 19m

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

Search flight deals

Frequently asked questions about flying from Twin Falls to Washington, D.C. Dulles Intl Airport

How far is Twin Falls Joslin to Washington, D.C. Dulles Intl by plane?
Washington, D.C. Dulles Intl is 1936.2 mi away from Twin Falls Joslin. Typically, this will take 6h 19m by plane in normal conditions.
When did momondo last update prices for flights from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport?
Prices for flights from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Twin Falls Joslin Airport to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Waldorf

Woodbridge

Laurel

Colonial Beach

Gaithersburg

Towson

Silver Spring

Fredericksburg

Rockville

Tysons

Manassas

Sterling

Linthicum Heights

Springfield

Bethesda

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Twin Falls to Washington, D.C.. momondo saves you time and could save you money on your trip.

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.?

momondo helps you find the best flight between Twin Falls and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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.