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Hailey

$341+ Cheap flights from Dulles Intl (IAD) to Hailey (SUN)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUN
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$341
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$726
From Washington, D.C. Dulles Intl to Hailey Sun Valley-Friedman
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This United Airlines deal was found by Cheapflights users on 7/26. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/233:48 pmIAD - SUN
1 stop7h 17mUnited Airlines
Sat 8/302:25 pmSUN - IAD
1 stop6h 52mUnited Airlines
Deal found 7/26$341
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/236:00 amIAD - SUN
2 stops10h 35mDelta
Sat 8/303:15 pmSUN - IAD
1 stop6h 17mDelta
Deal found 7/26$436
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 9/126:09 pmIAD - SUN
1 stop17h 25mAlaska Airlines
Sun 9/1410:16 amSUN - IAD
2 stops28h 36mAlaska Airlines
Deal found 7/26$667
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:00 amIAD - SUN
2 stops17h 10mAmerican Airlines
Sat 1/38:00 amSUN - IAD
2 stops14h 02mAmerican Airlines
Deal found 7/25$1,318

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 July 28, 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

Sat 8/23

3:48 pm-9:05 pm

1 stop7h 17m

Hailey Sun Valley-Friedman

Sat 8/30

2:25 pm-11:17 pm

1 stop6h 52m

$341

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 8/23

6:00 am-2:35 pm

2 stops10h 35m

Hailey Sun Valley-Friedman

Sat 8/30

3:15 pm-11:32 pm

1 stop6h 17m

$436

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Fri 9/12

6:09 pm-9:34 am

1 stop17h 25m

Hailey Sun Valley-Friedman

Sun 9/14

10:16 am-4:52 pm

2 stops28h 36m

$667

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 12/27

5:00 am-8:10 pm

2 stops17h 10m

Hailey Sun Valley-Friedman

Sat 1/3

8:00 am-12:02 am

2 stops14h 02m

$1,318

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 8/2

8:45 am-10:36 pm

2 stops15h 51m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

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.

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 July 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Hailey. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 1 airline. 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 United Airlines. Our recent data shows that you can find tickets from as low as $341 on this airline. Additional options worth looking into are Delta and Alaska Airlines, starting at $436 and $667 round-trip.

  • 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 December is currently the most expensive (average of $608). 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

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Top airline flying from Dulles Intl to Hailey

Discover the top airline 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$396Average$755FlexibilityNo cancel feeOn-timeN/A

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