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Dulles Intl

$230+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — IAD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap 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 September 17, 2025.

Round-trip from

$340
(Alaska Airlines)

One-way from

$230
(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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Find 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/202:43 pmSUN - IAD
1 stop6h 32mUnited Airlines
Fri 11/218:25 amIAD - SUN
1 stop7h 15mUnited Airlines
Deal found 9/16$448
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/202:43 pmSUN - IAD
1 stop6h 32mUnited Airlines
Wed 11/268:25 amIAD - SUN
1 stop7h 15mUnited Airlines
Deal found 9/16$498
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:30 amSUN - IAD
2 stops12h 02mDelta
Fri 11/217:10 amIAD - SUN
1 stop9h 30mDelta
Deal found 9/16$524
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 11/212:43 pmSUN - IAD
1 stop6h 32mUnited Airlines
Thu 11/278:25 amIAD - SUN
1 stop7h 15mUnited Airlines
Deal found 9/16$589
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/201:06 pmSUN - IAD
1 stop8h 23mDelta
Wed 11/267:10 amIAD - SUN
1 stop9h 30mDelta
Deal found 9/16$873

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 September 17, 2025.
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

Thu 2/26

7:15 pm-5:55 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 3/3

7:00 am-6:30 pm

1 stop13h 30m

$340

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sat 2/28

1:35 pm-11:16 pm

1 stop7h 41m

Washington, D.C. Dulles Intl

Tue 3/3

7:15 am-12:45 pm

1 stop7h 30m

$341

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Thu 2/26

1:15 pm-11:50 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Tue 3/3

10:05 am-10:02 pm

2 stops13h 57m

$415

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Thu 11/20

2:43 pm-11:15 pm

1 stop6h 32m

Washington, D.C. Dulles Intl

Wed 11/26

8:25 am-1:40 pm

1 stop7h 15m

$498

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 10/19

2:25 pm-11:22 pm

1 stop6h 57m

$230

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 1/5

3:25 pm-11:50 pm

1 stop6h 25m

$340

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 1/5

8:10 am-10:33 pm

2 stops12h 23m

$375

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 10/5

12:38 pm-11:33 pm

1 stop8h 55m

$540

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, August is the cheapest month in which you can book a flight from Hailey to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Hailey to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown United Airlines from Hailey to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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. 1 airline has 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 7h 41m. Alaska Airlines provides one of the quickest options available for as low as $341. Airlines will cover a distance of 1923 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Hailey to Washington, D.C. Dulles Intl Airport one-way?

    One-way options have recently been found by users for as low as $230 on United Airlines. Other airlines that offer cheap prices include Delta from $340 and American Airlines from $375 one-way.

  • 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, August is the cheapest month in which you can book a flight from Hailey to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Hailey to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Top airline flying from Hailey to Dulles Intl

Discover the top airline that operate flights from Hailey to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$615Average$633FlexibilityNo cancel feeOn-time69%

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