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Sky Harbor Intl

$170+ Cheap flights from Dulles Intl (IAD) to Sky Harbor Intl (PHX)

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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Find cheap flights from Dulles Intl to Sky Harbor Intl 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

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl are usually found in August or July, booked 49 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Sky Harbor Intl

Cheapest flights from Dulles Intl to Sky Harbor Intl
Explore the most affordable flight options available from Dulles Intl to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.

This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/259:30 am
IAD
-
PHX
1 stop16h 35m
Frontier
Mon 7/2712:12 am
PHX
-
IAD
1 stop9h 35m
Frontier
Deal found 6/11$316
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:50 am
IAD
-
PHX
2 stops14h 24m
Frontier
Thu 7/2312:12 am
PHX
-
IAD
1 stop15h 21m
Frontier
Deal found 6/11$317
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:49 am
IAD
-
PHX
1 stop14h 55m
Frontier
Thu 7/166:24 am
PHX
-
IAD
1 stop8h 37m
Frontier
Deal found 6/10$318
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:18 pm
IAD
-
PHX
1 stop18h 12m
Frontier
Tue 7/289:58 pm
PHX
-
IAD
1 stop7h 22m
Frontier
Deal found 6/12$319
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/24:32 pm
IAD
-
PHX
1 stop9h 32m
Frontier
Thu 7/96:24 am
PHX
-
IAD
1 stop8h 37m
Frontier
Deal found 6/11$320
This Expedia deal was found by Cheapflights users on 6/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:38 pm
IAD
-
PHX
1 stop10h 26m
Frontier
Tue 6/3012:35 am
PHX
-
IAD
1 stop9h 18m
Frontier
Deal found 6/10$321
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:38 pm
IAD
-
PHX
1 stop10h 26m
Frontier
Fri 7/312:35 am
PHX
-
IAD
1 stop8h 53m
Frontier
Deal found 6/12$322
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 8/53:03 pm
IAD
-
PHX
1 stop8h 53m
Delta
Sat 8/1511:56 pm
PHX
-
IAD
1 stop6h 24m
Delta
Deal found 6/12$323
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:49 am
IAD
-
PHX
1 stop14h 55m
Frontier
Wed 7/159:58 pm
PHX
-
IAD
1 stop7h 22m
Frontier
Deal found 6/10$324
This CheapOair deal was found by Cheapflights users on 6/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:24 pm
IAD
-
PHX
1 stop17h 02m
Alaska Airlines
Sat 10/312:38 pm
PHX
-
IAD
1 stop12h 02m
Alaska Airlines
Deal found 6/12$325
This Expedia deal was found by Cheapflights users on 6/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:49 pm
IAD
-
PHX
1 stop19h 34m
Multiple Airlines
Fri 7/179:58 pm
PHX
-
IAD
1 stop7h 22m
Multiple Airlines
Deal found 6/12$326
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/811:11 am
IAD
-
PHX
1 stop26h 19m
Frontier
Sat 7/116:24 am
PHX
-
IAD
1 stop11h 48m
Frontier
Deal found 6/14$327

Find flight deals from Dulles Intl to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Sky Harbor Intl (PHX). 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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$316
(CheapOair)

One-way from

$170
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$477

Good round-trip deal

$437 or less

Good one-way deal

$283 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Phoenix Sky Harbor Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Phoenix Sky Harbor Intl flights.
Search Deals
From Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Sky Harbor 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 June 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 7/17

5:46 pm-9:34 pm

1 stop6h 48m

Phoenix Sky Harbor Intl

Wed 7/29

11:50 pm-9:26 am

1 stop6h 36m

$349

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 7/1

6:00 am-12:12 pm

1 stop9h 12m

Phoenix Sky Harbor Intl

Sun 7/5

10:59 pm-9:21 am

1 stop7h 22m

$384

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 8/11

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Wed 8/12

12:15 pm-10:45 pm

1 stop7h 30m

$389

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 7/8

7:15 am-12:12 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Wed 7/22

6:00 am-4:41 pm

1 stop7h 41m

$404

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 7/25

10:58 am-2:18 pm

1 stop6h 20m

Phoenix Sky Harbor Intl

Thu 7/30

11:50 pm-9:26 am

1 stop6h 36m

$404

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 7/28

6:10 am-11:03 am

1 stop7h 53m

Phoenix Sky Harbor Intl

Tue 8/4

8:50 am-4:17 pm

Nonstop4h 27m

$413

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 8/6

5:50 pm-7:46 pm

Nonstop4h 56m

Phoenix Sky Harbor Intl

Thu 8/13

8:55 am-4:23 pm

Nonstop4h 28m

$431

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 8/25

8:20 am-3:20 pm

1 stop10h 00m

Phoenix Sky Harbor Intl

Sat 8/29

8:55 am-4:23 pm

Nonstop4h 28m

$439

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 8/6

6:14 pm-9:49 am

2 stops18h 35m

Phoenix Sky Harbor Intl

Thu 8/13

7:11 am-6:45 pm

1 stop8h 34m

$450

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 8/3

5:41 pm-9:59 pm

1 stop7h 18m

Phoenix Sky Harbor Intl

Thu 8/6

8:50 am-4:17 pm

Nonstop4h 27m

$453

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Dulles Intl to Sky Harbor 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 Dulles Intl to Sky Harbor Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*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 Washington, D.C. Dulles Intl Airport-Phoenix Sky Harbor Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-Phoenix Sky Harbor 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 Dulles Intl to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl 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 Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (average of $336). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $588). 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.

What is the cheapest time of day to fly from IAD to PHX?

Find hourly flight availability from Dulles Intl to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Sky Harbor Intl. Price data was last updated on June 13, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight should consider departing on Tuesday at noon when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

The best insider tips for Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated June 15, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Southwest
7.9
Good
4,235 reviews
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Delta
7.9
Good
8,396 reviews
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
United Airlines
7.4
Good
9,830 reviews
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
American Airlines
7.1
Good
11,660 reviews
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.
Frontier
5.6
Fair
2,888 reviews
Southwest
7.9
Good
4,235 reviews

Food

7.0

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Overall

7.9

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Delta and United Airlines can get you from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in just under 4h 54m. Your travel time can differ by up to 1h 54m. Washington, D.C. Dulles Intl Airport and Phoenix Sky Harbor Intl Airport are separated by a distance of 1950 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $163 on this airline. Additional options worth looking into are Southwest and Delta, starting at $229 and $243 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport for 62% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport one-way?

    $95 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and Southwest, with prices starting from $108 and $113, respectively.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport consider choosing Austrian Airlines (98%), Avianca (98%) or Brussels Airlines (98%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

    While on average a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport is generally $952, our data shows the cheapest flight currently is $184. When looking at the most popular route, (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl), you can expect to pay $250 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (average of $336). Flying from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of $588). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Glendale
Buckeye
Goodyear
Paradise Valley
Peoria
Payson
Casa Grande
Chandler
Camp Verde
Globe
Surprise
Fountain Hills
Guadalupe

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dulles Intl to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Sky Harbor Intl flights
Reagan-National to Sky Harbor Intl flights

Top 6 airlines flying from Dulles Intl to Sky Harbor Intl

Discover the top 6 airlines that operate flights from Dulles Intl to Sky Harbor Intl. 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$163Average$279FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$229Average$448FlexibilityNo cancel feeOn-time63%
DeltaCheapest$243Average$338FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$252Average$326FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$283Average$480FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$588FlexibilityNo cancel feeOn-time71%

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