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Hailey

$145+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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.
Wed 12/246:30 amIAD - SUN
1 stop7h 42mUnited Airlines
Wed 12/242:15 pmSUN - IAD
1 stop7h 08mUnited Airlines
Deal found 12/11$484
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:12 amIAD - SUN
2 stops13h 13mAmerican Airlines
Wed 12/241:09 pmSUN - IAD
2 stops22h 18mAmerican Airlines
Deal found 12/10$997
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/267:45 amIAD - SUN
1 stop9h 34mUnited Airlines
Tue 12/3012:53 pmSUN - IAD
1 stop9h 22mUnited Airlines
Deal found 12/11$1,005
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/2810:33 pmIAD - SUN
1 stop15h 39mUnited Airlines
Thu 1/17:00 amSUN - IAD
1 stop20h 19mUnited Airlines
Deal found 12/10$1,116
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/269:12 amIAD - SUN
2 stops13h 13mAmerican Airlines
Tue 12/301:09 pmSUN - IAD
2 stops8h 55mAmerican Airlines
Deal found 12/11$1,194
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:29 pmIAD - SUN
1 stop21h 42mAlaska Airlines
Sun 1/42:53 pmSUN - IAD
1 stop24h 28mAlaska Airlines
Deal found 12/10$1,337
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:43 pmIAD - SUN
1 stop26h 01mAlaska Airlines
Wed 12/247:26 pmSUN - IAD
1 stop8h 47mAlaska Airlines
Deal found 12/10$1,404
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/309:12 amIAD - SUN
2 stops13h 13mAmerican Airlines
Sun 1/48:10 amSUN - IAD
2 stops12h 55mAmerican Airlines
Deal found 12/11$1,439

Find 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$315
(United Airlines)

One-way from

$145
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,608
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.
Search Deals
From Washington, D.C. Dulles Intl to Hailey Sun Valley-Friedman
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Hailey Sun Valley-Friedman
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($272 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($105 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 12, 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 2/7

2:24 pm-9:29 pm

1 stop9h 05m

Hailey Sun Valley-Friedman

Sun 2/15

1:14 pm-11:56 pm

1 stop8h 42m

$315

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 1/10

2:24 pm-9:29 pm

1 stop9h 05m

Hailey Sun Valley-Friedman

Wed 1/14

2:31 pm-11:22 pm

1 stop6h 51m

$343

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 2/21

7:05 am-6:22 pm

1 stop13h 17m

Hailey Sun Valley-Friedman

Sat 2/28

7:04 pm-5:27 pm

2 stops20h 23m

$416

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 2/7

12:23 pm-9:55 pm

2 stops11h 32m

Hailey Sun Valley-Friedman

Sun 2/15

1:41 pm-11:10 pm

1 stop7h 29m

$458

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sat 2/7

11:34 am-8:17 pm

2 stops10h 43m

Hailey Sun Valley-Friedman

Sun 2/15

1:28 pm-11:59 pm

2 stops8h 31m

$464

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-6:22 pm

1 stop13h 17m

Hailey Sun Valley-Friedman

Mon 3/9

11:52 am-5:20 pm

1 stop27h 28m

$483

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Wed 12/24

6:30 am-12:12 pm

1 stop7h 42m

Hailey Sun Valley-Friedman

Wed 12/24

2:15 pm-11:23 pm

1 stop7h 08m

$484

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Fri 1/16

5:17 pm-12:02 pm

1 stop20h 45m

Hailey Sun Valley-Friedman

Sun 1/18

12:43 pm-9:17 pm

1 stop6h 34m

$512

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sun 3/15

6:15 am-11:56 am

1 stop7h 41m

$145

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sun 3/15

6:20 pm-6:22 pm

2 stops26h 02m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hailey (average of $203). Flying from Washington, D.C. Dulles Intl Airport to Hailey in March is currently the most expensive (average of $376). 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 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 December 12, 2025.
Read reviews from past customers who have flown 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.
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Comfort

7.9

Crew

8.5

Overall

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

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

    Airlines like United Airlines and Alaska Airlines fly from Washington, D.C. Dulles Intl Airport to Hailey in about 9h 05m. The time it takes to get you to your destination can typically vary by up to 4h 12m. Washington, D.C. Dulles Intl Airport and Hailey are separated by a distance of 1923 mi. This flight may include one or multiple stops.

  • 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 $401 on this airline. An additional option worth looking into is United Airlines, starting at $508. Users have found that Delta is 39% cheaper than the other options available to this destination.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Hailey (average of $203). Flying from Washington, D.C. Dulles Intl Airport to Hailey in March is currently the most expensive (average of $376). 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 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$401Average$739FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$508Average$598FlexibilityNo cancel feeOn-time69%

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