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.

$426 Cheap Flights from Twin Falls to Washington, D.C. Dulles Intl Airport in 2026/27

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.

1:17 pm - 11:35 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 18m1 stop Salt Lake City

6:13 am - 12:25 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

8h 12m1 stop Salt Lake City

$426Delta

Thu, Oct 29 - Mon, Nov 2

1:17 pm - 12:42 amTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

9h 25m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:13 am - 12:25 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

8h 12m1 stop Salt Lake City

$513Delta

Thu, Oct 29 - Mon, Nov 2

1:17 pm - 12:42 amTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

9h 25m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:05 am - 12:25 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

8h 20m2 stops Detroit Metropolitan Wayne County Salt Lake City

$948Delta

Thu, Oct 29 - Mon, Nov 2

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

7:00 am - 12:33 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 33m1 stop Salt Lake City

$958Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

7:00 am - 12:33 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 33m1 stop Salt Lake City

$991Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

7:00 am - 12:33 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 33m1 stop Salt Lake City

$1,011Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

12:36 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

11h 50m2 stops Detroit Metropolitan Wayne County Salt Lake City

$1,014Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

7:00 am - 12:33 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 33m1 stop Salt Lake City

$1,058Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:41 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Salt Lake City

12:36 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

11h 50m2 stops Detroit Metropolitan Wayne County Salt Lake City

$1,067Delta

Tue, Dec 22 - Wed, Dec 30

1:17 pm - 11:35 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 18m1 stop Salt Lake City

12:30 pm - 10:20 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

11h 50m2 stops New York John F Kennedy Intl Salt Lake City

$1,086Delta

Fri, Oct 9 - Tue, Oct 13

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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

Oct 29

TWF1:17 pmTwin Falls Joslin

8h 18m

1 stop

IAD11:35 pmWashington, D.C. Dulles Intl

Nov 2

IAD6:13 amWashington, D.C. Dulles Intl

8h 12m

1 stop

TWF12:25 pmTwin Falls Joslin

$426

Delta

Oct 29

TWF1:17 pmTwin Falls Joslin

9h 25m

2 stops

IAD12:42 amWashington, D.C. Dulles Intl

Nov 2

IAD6:13 amWashington, D.C. Dulles Intl

8h 12m

1 stop

TWF12:25 pmTwin Falls Joslin

$513

Delta

Dec 22

TWF1:17 pmTwin Falls Joslin

8h 24m

1 stop

IAD11:41 pmWashington, D.C. Dulles Intl

Dec 30

IAD7:00 amWashington, D.C. Dulles Intl

7h 33m

1 stop

TWF12:33 pmTwin Falls Joslin

$888

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 Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Thu 10/29

1:17 pm-11:35 pm

1 stop8h 18m

Washington, D.C. Dulles Intl

Mon 11/2

6:13 am-12:25 pm

1 stop8h 12m

$426

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Thu 10/29

1:17 pm-12:42 am

2 stops9h 25m

Washington, D.C. Dulles Intl

Mon 11/2

6:13 am-12:25 pm

1 stop8h 12m

$513

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Thu 10/29

1:17 pm-12:42 am

2 stops9h 25m

Washington, D.C. Dulles Intl

Mon 11/2

6:05 am-12:25 pm

2 stops8h 20m

$948

Quickest round-trip

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

7:00 am-12:33 pm

1 stop7h 33m

$958

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

7:00 am-12:33 pm

1 stop7h 33m

$991

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

7:00 am-12:33 pm

1 stop7h 33m

$1,011

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

12:36 pm-10:26 pm

2 stops11h 50m

$1,014

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

7:00 am-12:33 pm

1 stop7h 33m

$1,058

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Tue 12/22

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Wed 12/30

12:36 pm-10:26 pm

2 stops11h 50m

$1,067

Twin FallsWashington, D.C.

TWF Twin Falls Joslin - IAD Washington, D.C. Dulles Intl

TWFIAD

Twin Falls Joslin

Fri 10/9

1:17 pm-11:35 pm

1 stop8h 18m

Washington, D.C. Dulles Intl

Tue 10/13

12:30 pm-10:20 pm

2 stops11h 50m

$1,086

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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

Best Price Found	$444
Fastest flight time	8h 18m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from Twin Falls in the past 72 hours is $444. The best round-trip flight deal from Twin Falls to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $426.

The fastest flight from Twin Falls to Washington, D.C. Dulles Intl Airport takes 8h 18m

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 8h 18m 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.

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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.