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Dulles Intl

$343+ Cheap flights from Hailey (SUN) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
SUN — IAD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This Delta deal was found by Cheapflights users on 12/2. 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.
Mon 12/153:21 pmSUN - IAD
1 stop6h 08mDelta
Tue 12/167:05 amIAD - SUN
1 stop7h 21mDelta
Deal found 12/2$369
This deal was found by Cheapflights users on 12/3. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:20 pmSUN - IAD
1 stop6h 55mUnited Airlines
Tue 12/168:17 amIAD - SUN
1 stop7h 20mUnited Airlines
Deal found 12/3$664

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$343
(United Airlines)
Provider with most accurate pricing for Hailey Sun Valley-Friedman-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Hailey Sun Valley-Friedman-Washington, D.C. Dulles Intl flights.
Search Deals
From Hailey Sun Valley-Friedman to Washington, D.C. Dulles Intl
Search Deals

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 December 4, 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

Tue 1/27

12:43 pm-9:17 pm

1 stop6h 34m

Washington, D.C. Dulles Intl

Sat 1/31

3:19 pm-10:02 pm

1 stop8h 43m

$343

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Tue 1/27

3:30 pm-11:48 pm

1 stop6h 18m

Washington, D.C. Dulles Intl

Sat 1/31

7:30 am-12:13 pm

2 stops30h 43m

$354

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 12/15

3:21 pm-11:29 pm

1 stop6h 08m

Washington, D.C. Dulles Intl

Tue 12/16

7:05 am-12:26 pm

1 stop7h 21m

$369

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Mon 2/2

2:31 pm-11:22 pm

1 stop6h 51m

Washington, D.C. Dulles Intl

Wed 2/4

4:11 pm-9:29 pm

1 stop7h 18m

$557

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 3/22

2:25 pm-11:49 pm

1 stop7h 24m

$382

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 12/28

12:53 pm-9:21 pm

1 stop6h 28m

$406

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 12/28

10:34 am-10:24 am

2 stops45h 50m

$499

HaileyWashington, D.C.

SUN - IAD

SUNIAD

Hailey Sun Valley-Friedman

Sun 3/22

7:45 am-11:59 pm

2 stops14h 14m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Compare providers for flights from Hailey to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Hailey to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Hailey-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Hailey-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Hailey-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Hailey-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Hailey-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 6h 18m. United Airlines provides one of the quickest options available for as low as $354. 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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