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$233+ Cheap flights from Dulles Intl (IAD) to Hailey (SUN)

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUN
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Hailey

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Hailey (SUN). 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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$465
(Delta)

Popular in

December

Cheapest in

January

Average price

$853
Provider with most accurate pricing for Washington, D.C. (WAS)-Hailey Sun Valley-Friedman flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Hailey Sun Valley-Friedman flights.
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From Washington, D.C. Dulles Intl to Hailey Sun Valley-Friedman
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High demand for flights, 8% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Dulles Intl to Hailey

Cheapest flights from Dulles Intl to Hailey
Explore the most affordable flight options available from Dulles Intl to Hailey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 26, 2025.

This Delta deal was found by Cheapflights users on 3/24. 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 7/37:35 amIAD - SUN
1 stop9h 04mDelta
Thu 7/103:30 pmSUN - IAD
1 stop6h 23mDelta
Deal found 3/24$494
This United deal was found by Cheapflights users on 3/26. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/112:39 pmIAD - SUN
1 stop8h 23mUnited Airlines
Sat 7/197:00 amSUN - IAD
1 stop6h 32mUnited Airlines
Deal found 3/26$555
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:00 amIAD - SUN
1 stop26h 34mAlaska Airlines
Sat 9/2710:16 amSUN - IAD
1 stop19h 16mAlaska Airlines
Deal found 3/26$562

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Hailey 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 March 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Hailey that are best for you.

Fly from

Dulles Intl

Fly to

Hailey

Route

Depart

Return

Price

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Thu 7/3

7:35 am-2:39 pm

1 stop9h 04m

Hailey Sun Valley-Friedman

Thu 7/10

3:30 pm-11:53 pm

1 stop6h 23m

$494

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Fri 7/11

2:39 pm-9:02 pm

1 stop8h 23m

Hailey Sun Valley-Friedman

Sat 7/19

7:00 am-3:32 pm

1 stop6h 32m

$555

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Thu 9/18

9:00 am-9:34 am

1 stop26h 34m

Hailey Sun Valley-Friedman

Sat 9/27

10:16 am-7:32 am

1 stop19h 16m

$562

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Tue 8/12

7:30 am-2:48 pm

1 stop9h 18m

$233

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Wed 8/13

6:35 am-9:02 pm

3 stops16h 27m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Best time to book a flight from Dulles Intl to Hailey

Have a flexible travel schedule? Discover the best time to fly to Hailey from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Hailey

Rainfall in Hailey by month

Plan your trip to Hailey by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hailey ranges from 0.4 - 2.4 inches per month. January is typically the wettest month, when rainfall can reach 2.4 in. July is typically the driest time to visit Hailey when rainfall is around 0.4 in.

Temperature in Hailey by month

Plan your trip to Hailey by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hailey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

Reviews of airlines servicing Hailey

Get insights into the airlines that provide service to Hailey. 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 Hailey. Reviews last updated March 26, 2025.
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Food

7.3

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Hailey. 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 into for flights to Hailey from Washington, D.C. Dulles Intl?

    Most people fly into Hailey Sun Valley-Friedman (SUN) if they book a flight to Hailey from Washington, D.C. Dulles Intl. On average, Sun Valley-Friedman has 0 inbound flights from Washington, D.C. Dulles Intl per day from 2 airlines. Hailey Sun Valley-Friedman is conveniently located just 1.3 mi from Hailey’s city center.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Hailey round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Hailey is Delta. Our recent data shows that you can find tickets from as low as $465 on this airline. An additional option worth looking into is United Airlines, starting at $509.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Hailey 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 Washington, D.C. Dulles Intl Airport to Hailey?

    Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hailey (average of $471). Flying from Washington, D.C. Dulles Intl Airport to Hailey in July is currently the most expensive (average of $612). 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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Alternative routes for Dulles Intl to Hailey

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to Hailey

Discover the top 2 airlines that operate flights from Dulles Intl to Hailey. 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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$396Average$612FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$582FlexibilityNo cancel feeOn-time69%
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