HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SUN
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Hailey with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 21, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 3/26:27 pm
IAD
-
SUN
1 stop18h 43m
Alaska Airlines
Fri 3/67:04 pm
SUN
-
IAD
1 stop8h 36m
Alaska Airlines
Deal found 1/20$289
This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 4/56:01 am
IAD
-
SUN
2 stops10h 48m
Delta
Tue 4/143:34 pm
SUN
-
IAD
1 stop6h 10m
Delta
Deal found 1/20$294
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 3/236:15 am
IAD
-
SUN
1 stop7h 38m
United Airlines
Fri 3/272:33 pm
SUN
-
IAD
1 stop6h 47m
United Airlines
Deal found 1/19$301
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 9/144:08 pm
IAD
-
SUN
1 stop7h 03m
United Airlines
Fri 9/1812:30 pm
SUN
-
IAD
1 stop10h 20m
United Airlines
Deal found 1/19$308
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 2/177:00 am
IAD
-
SUN
2 stops9h 40m
Delta
Tue 2/243:25 pm
SUN
-
IAD
1 stop6h 21m
Delta
Deal found 1/19$319
This Delta deal was found by Cheapflights users on 1/21. 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 8/297:25 am
IAD
-
SUN
1 stop9h 20m
Delta
Thu 9/33:25 pm
SUN
-
IAD
1 stop6h 26m
Delta
Deal found 1/21$324
This Delta deal was found by Cheapflights users on 1/21. 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 3/212:38 pm
IAD
-
SUN
2 stops11h 15m
Delta
Fri 3/61:41 pm
SUN
-
IAD
1 stop7h 29m
Delta
Deal found 1/21$329
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/205:00 am
IAD
-
SUN
2 stops9h 54m
American Airlines
Wed 2/257:40 am
SUN
-
IAD
2 stops10h 50m
American Airlines
Deal found 1/21$335
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 4/77:00 am
IAD
-
SUN
2 stops9h 49m
Delta
Thu 4/1612:36 pm
SUN
-
IAD
2 stops8h 27m
Delta
Deal found 1/20$345
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/202:12 pm
IAD
-
SUN
1 stop9h 07m
United Airlines
Wed 2/2512:34 pm
SUN
-
IAD
1 stop6h 44m
United Airlines
Deal found 1/21$347
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/32:24 pm
IAD
-
SUN
1 stop9h 05m
United Airlines
Sat 2/78:05 am
SUN
-
IAD
1 stop9h 30m
United Airlines
Deal found 1/19$359

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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$289
(Delta)

One-way from

$145
(Delta)

Popular in

December

Cheapest in

September

Average price

$641
Provider with most accurate pricing for Washington, D.C. (WAS)-Hailey Sun Valley-Friedman flight deals.
Search Deals
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. 18% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 14% potential price decrease ($94 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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 2/21

3:58 pm-9:19 pm

1 stop7h 21m

Hailey Sun Valley-Friedman

Tue 2/24

4:03 pm-5:27 am

1 stop11h 24m

$289

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Tue 2/17

7:05 am-12:01 pm

1 stop6h 56m

Hailey Sun Valley-Friedman

Tue 2/24

3:25 pm-11:46 pm

1 stop6h 21m

$289

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Mon 3/2

6:27 pm-11:10 am

1 stop18h 43m

Hailey Sun Valley-Friedman

Fri 3/6

7:04 pm-5:40 am

1 stop8h 36m

$289

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sun 4/5

6:01 am-2:49 pm

2 stops10h 48m

Hailey Sun Valley-Friedman

Tue 4/14

3:34 pm-11:44 pm

1 stop6h 10m

$294

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Tue 4/7

7:20 am-2:49 pm

1 stop9h 29m

Hailey Sun Valley-Friedman

Thu 4/16

12:36 pm-11:03 pm

2 stops8h 27m

$294

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Mon 3/23

6:15 am-11:53 am

1 stop7h 38m

Hailey Sun Valley-Friedman

Fri 3/27

2:33 pm-11:20 pm

1 stop6h 47m

$301

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Mon 3/2

12:38 pm-9:53 pm

2 stops11h 15m

Hailey Sun Valley-Friedman

Fri 3/6

1:41 pm-11:10 pm

1 stop7h 29m

$319

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Tue 4/7

7:20 am-2:49 pm

1 stop9h 29m

$145

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Wed 5/6

7:20 am-11:56 am

1 stop6h 36m

$145

Washington, D.C.Hailey

IAD - SUN

IADSUN

Washington, D.C. Dulles Intl

Sun 4/5

6:01 am-2:49 pm

2 stops10h 48m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 13 results
1
2

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 $207). Flying from Washington, D.C. Dulles Intl Airport to Hailey in March is currently the most expensive (average of $378). 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 January 21, 2026.
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
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

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
8,088 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

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
9,191 reviews
Delta
7.9
Good
8,088 reviews

Crew

8.5

Food

7.2

Entertainment

7.8

Boarding

8.1

Comfort

7.9

Overall

7.9

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, Delta, and Alaska Airlines fly from Washington, D.C. Dulles Intl Airport to Hailey in about 6h 56m. The time it takes to get you to your destination can typically vary by up to 11h 47m. 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 United Airlines. Our recent data shows that you can find tickets from as low as $255 on this airline. An additional option worth looking into is Delta, starting at $477. Users have found that United Airlines is 66% 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 $207). Flying from Washington, D.C. Dulles Intl Airport to Hailey in March is currently the most expensive (average of $378). 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 Hailey?

Book flights to Hailey if you plan to visit one of these locations
Stanley

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Hailey

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Jackson flights
Reagan-National to Jackson flights
Baltimore to Jackson flights
Dulles Intl to Boise flights
Dulles Intl to Spokane flights
Baltimore to Boise flights
Reagan-National to Boise flights
Baltimore to Spokane flights
Baltimore to Hailey flights
Reagan-National to Hailey flights
Reagan-National to Spokane flights
Reagan-National to Idaho Falls flights
Dulles Intl to Idaho Falls flights
Baltimore to Idaho Falls flights
Baltimore to Lewiston flights
Baltimore to West Yellowstone flights
Reagan-National to Lewiston flights
Dulles Intl to Lewiston flights
Dulles Intl to Pocatello flights
Baltimore to Pocatello flights
Dulles Intl to Twin Falls flights
Reagan-National to Pocatello flights
Baltimore to Twin Falls flights
Reagan-National to Twin Falls flights
Reagan-National to West Yellowstone flights
Dulles Intl to West Yellowstone flights

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$255Average$588FlexibilityNo cancel feeOn-time69%
DeltaCheapest$477Average$739FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.