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Dulles Intl

$256+ Cheap flights from Hailey (SUN) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — IAD
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Hailey to Dulles Intl

Cheapest flights from Hailey to Dulles Intl
Explore the most affordable flight options available from Hailey to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/297:00 am
SUN
-
IAD
1 stop9h 02m
United Airlines
Wed 7/110:38 am
IAD
-
SUN
1 stop10h 19m
United Airlines
Deal found 2/9$444
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:29 pm
SUN
-
IAD
1 stop6h 44m
United Airlines
Wed 11/48:15 am
IAD
-
SUN
1 stop7h 29m
United Airlines
Deal found 2/10$455
This Expedia deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/167:04 pm
SUN
-
IAD
1 stop8h 36m
Alaska Airlines
Wed 3/187:00 am
IAD
-
SUN
1 stop14h 12m
Alaska Airlines
Deal found 2/9$479

Find flight deals from Hailey to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Hailey (SUN) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Round-trip from

$444
(United Airlines)

One-way from

$256
(United Airlines)
From Hailey Sun Valley-Friedman to Washington, D.C. Dulles Intl
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One-way flight from Hailey Sun Valley-Friedman to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Hailey to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Hailey to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Hailey

Fly to

Dulles Intl

Route

Depart

Return

Price

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 6/29

7:00 am-6:02 pm

1 stop9h 02m

Washington, D.C. Dulles Intl

Wed 7/1

10:38 am-6:57 pm

1 stop10h 19m

$444

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 3/16

7:04 pm-5:40 am

1 stop8h 36m

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-7:12 pm

1 stop14h 12m

$479

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 3/16

7:40 am-8:30 pm

2 stops10h 50m

Washington, D.C. Dulles Intl

Wed 3/18

5:00 am-12:54 pm

2 stops9h 54m

$685

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sat 4/4

12:25 pm-9:04 pm

1 stop6h 39m

$256

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/16

8:09 am-7:27 pm

1 stop9h 18m

$305

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/23

7:40 am-10:53 pm

2 stops13h 13m

$469

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/23

12:34 pm-9:18 pm

1 stop6h 44m

$471

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/16

7:40 am-10:53 pm

2 stops13h 13m

$929

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/23

7:04 pm-1:45 pm

3 stops40h 41m

$992

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/16

11:52 am-5:27 pm

2 stops27h 35m

$1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Best time to book a flight from Hailey to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Hailey with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Hailey to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Hailey to Washington, D.C. Dulles Intl Airport?

Currently, April is the cheapest month in which you can book a flight from Hailey to Washington, D.C. Dulles Intl Airport (average of $141). Flying from Hailey to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Hailey to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Hailey to Washington, D.C. Dulles Intl?

    For a flight from Hailey to Washington, D.C. Dulles Intl, you will be flying from Sun Valley-Friedman. Hailey Sun Valley-Friedman (SUN) is just 1.3 mi from the center of the city. Sun Valley-Friedman is the only Hailey airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 0 airlines have flights to Washington, D.C. Dulles Intl from Hailey Sun Valley-Friedman on a regular basis.

  • How long is the flight from Hailey to Washington, D.C. Dulles Intl Airport?

    A quick flight from Hailey to Washington, D.C. Dulles Intl Airport can take about 8h 36m. United Airlines provides one of the quickest options available for as low as $479. Airlines will cover a distance of 1923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Hailey to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Hailey to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Hailey to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Hailey to Dulles Intl.

  • Can I find deals for business class flights from Hailey to Dulles Intl?

    Yes. Cheapflights offers flight deals from Hailey to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Hailey to Washington, D.C. Dulles Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Hailey to Washington, D.C. Dulles Intl Airport (average of $141). Flying from Hailey to Washington, D.C. Dulles Intl Airport in September is currently the most expensive (average of $483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
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