How do I get Price Alerts for flights from Twin Falls to Washington, D.C. Dulles Intl Airport?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Twin Falls from Washington, D.C. Dulles Intl Airport . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$471 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 - 11:31 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 14m1 stop Salt Lake City

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$471Delta

Wed, Feb 10 - Sun, Feb 14

6:10 am - 9:09 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

12h 59m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$477Delta

Wed, Feb 10 - Sun, Feb 14

1:17 pm - 11:31 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 14m1 stop Salt Lake City

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$481Delta

Wed, Feb 10 - Sun, Feb 14

6:10 am - 9:09 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

12h 59m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$487Delta

Wed, Feb 10 - Sun, Feb 14

1:17 pm - 11:31 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

8h 14m1 stop Salt Lake City

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$539Delta

Wed, Feb 10 - Sun, Feb 14

6:10 am - 9:09 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

12h 59m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$545Delta

Wed, Feb 10 - Sun, Feb 14

1:17 pm - 12:46 amTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

9h 29m2 stops Salt Lake City Atlanta Hartsfield-Jackson

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$555Delta

Wed, Feb 10 - Sun, Feb 14

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

8h 24m1 stop Salt Lake City

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$888Delta

Mon, Dec 21 - Thu, Dec 31

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

8h 24m1 stop Salt Lake City

7:00 am - 12:18 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

7h 18m1 stop Salt Lake City

$968Delta

Mon, Dec 21 - Thu, Dec 31

2:00 pm - 1:09 pmTWF Twin Falls Joslin-IAD Washington, D.C. Dulles Intl

21h 09m3 stops Las Vegas Harry Reid Intl Santa Ana J. Wayne/Orange Cnty Provo

10:06 am - 12:00 pmIAD Washington, D.C. Dulles Intl-TWF Twin Falls Joslin

51h 54m3 stops Provo Santa Ana J. Wayne/Orange Cnty Las Vegas Harry Reid Intl

$1,102Breeze Airways

Fri, Jan 29 - Sat, Feb 6

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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

Feb 10

TWF1:17 pmTwin Falls Joslin

8h 14m

1 stop

IAD11:31 pmWashington, D.C. Dulles Intl

Feb 14

IAD7:00 amWashington, D.C. Dulles Intl

7h 18m

1 stop

TWF12:18 pmTwin Falls Joslin

$471

Delta

Feb 10

TWF6:10 amTwin Falls Joslin

12h 59m

2 stops

IAD9:09 pmWashington, D.C. Dulles Intl

Feb 14

IAD7:00 amWashington, D.C. Dulles Intl

7h 18m

1 stop

TWF12:18 pmTwin Falls Joslin

$477

Delta

Feb 10

TWF1:17 pmTwin Falls Joslin

8h 14m

1 stop

IAD11:31 pmWashington, D.C. Dulles Intl

Feb 14

IAD7:00 amWashington, D.C. Dulles Intl

7h 18m

1 stop

TWF12:18 pmTwin Falls Joslin

$481

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

Quickest round-trip

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

1:17 pm-11:31 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$471

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

6:10 am-9:09 pm

2 stops12h 59m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$477

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

1:17 pm-11:31 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$481

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

6:10 am-9:09 pm

2 stops12h 59m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$487

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

1:17 pm-11:31 pm

1 stop8h 14m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$539

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

6:10 am-9:09 pm

2 stops12h 59m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$545

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Wed 2/10

1:17 pm-12:46 am

2 stops9h 29m

Washington, D.C. Dulles Intl

Sun 2/14

7:00 am-12:18 pm

1 stop7h 18m

$555

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Mon 12/21

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Thu 12/31

7:00 am-12:18 pm

1 stop7h 18m

$888

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Mon 12/21

1:17 pm-11:41 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

Thu 12/31

7:00 am-12:18 pm

1 stop7h 18m

$968

Twin FallsWashington, D.C.

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

TWFIAD

Twin Falls Joslin

Fri 1/29

2:00 pm-1:09 pm

3 stops21h 09m

Washington, D.C. Dulles Intl

Sat 2/6

10:06 am-12:00 pm

3 stops51h 54m

$1,102

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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	$471
Fastest flight time	8h 14m
Direct flights	None

The best flight deal from Twin Falls to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $471

The fastest flight from Twin Falls to Washington, D.C. Dulles Intl Airport takes 8h 14m

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 14m 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.

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

How do I get Price Alerts for flights from Twin Falls to Washington, D.C. Dulles Intl Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Twin Falls from Washington, D.C. Dulles Intl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Twin Falls to Washington, D.C. Dulles Intl Airport with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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.