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

Southwest and Delta can get you from Washington, D.C. Dulles Intl Airport to Phoenix in just under 5h 20m. Your travel time can differ by up to 3h 45m. There are 1950 mi between Washington, D.C. Dulles Intl Airport and Phoenix. This flight may include one or multiple stops.

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

According to our current data, Frontier ($148), Delta ($244), and Southwest ($269) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Phoenix. Frontier is currently priced 62% below the average price you’ll pay for this route.

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

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $105. Users have also found prices from $113 and $138 on Southwest and Alaska Airlines, respectively.

In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.

If weather is an important factor for your trip to Phoenix, 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 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).

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

While on average a flight from Washington, D.C. Dulles Intl Airport to Phoenix is generally $575, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl), you can expect to pay $191 for that flight.

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

The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Phoenix are United Airlines (84%), Avianca (75%) and Austrian Airlines (73%).

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Phoenix?

When booking a flight from Washington, D.C. Dulles Intl Airport to Phoenix, you may want to consider flying on United Airlines, Southwest or Frontier as they are the most popular for this route.

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

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

How can I find direct flights from Dulles Intl to Phoenix?

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

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

Yes. Cheapflights offers flight deals from Dulles Intl to Phoenix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$112+ Flights from Washington, D.C. Dulles Intl Airport to Phoenix

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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.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Phoenix are usually found in August or July, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Dulles Intl to Phoenix

Cheapest flights from Dulles Intl to Phoenix
Explore the most affordable flight options available from Dulles Intl to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Wed 12/248:00 amIAD - PHX

1 stop27h 44mMultiple Airlines

Tue 1/67:39 pmPHX - IAD

2 stops19h 11mMultiple Airlines

Deal found 12/10

$280

Wed 12/3112:32 pmIAD - PHX

1 stop8h 38mDelta

Wed 1/712:05 pmPHX - IAD

1 stop9h 05mDelta

Deal found 12/9

$290

Wed 12/318:16 amIAD - PHX

Nonstop5h 16mUnited Airlines

Wed 1/78:30 amPHX - IAD

Nonstop4h 18mUnited Airlines

Deal found 12/10

$292

Wed 12/3112:32 pmIAD - PHX

1 stop8h 38mDelta

Wed 12/3111:35 pmPHX - IAD

1 stop8h 14mDelta

Deal found 12/11

$308

Wed 12/246:05 amIAD - PHX

1 stop9h 07mFrontier

Thu 1/156:00 amPHX - IAD

1 stop8h 52mFrontier

Deal found 12/10

$312

Tue 12/239:58 pmIAD - PHX

1 stop27h 51mFrontier

Tue 1/135:10 pmPHX - IAD

2 stops16h 33mFrontier

Deal found 12/9

$314

Mon 12/229:58 pmIAD - PHX

1 stop27h 51mFrontier

Sun 12/2812:59 amPHX - IAD

1 stop18h 04mFrontier

Deal found 12/11

$315

Wed 12/242:24 pmIAD - PHX

1 stop9h 17mUnited Airlines

Wed 12/3111:35 pmPHX - IAD

Nonstop4h 15mUnited Airlines

Deal found 12/9

$316

Best flights from Dulles Intl to Phoenix
Discover carefully curated flight deals from Dulles Intl to Phoenix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sun 1/184:30 pmIAD - PHX

Nonstop5h 20mSouthwest

Tue 1/276:00 amPHX - IAD

1 stop7h 50mSouthwest

Deal found 12/11

$271

Wed 2/1812:38 pmIAD - PHX

1 stop9h 05mDelta

Tue 2/2412:01 pmPHX - IAD

1 stop9h 09mDelta

Deal found 12/9

$284

Tue 1/205:24 pmIAD - PHX

Nonstop5h 13mUnited Airlines

Thu 1/2212:56 pmPHX - IAD

1 stop6h 11mUnited Airlines

Deal found 12/9

$340

Wed 1/215:26 pmIAD - PHX

1 stop19h 33mAlaska Airlines

Fri 1/303:17 pmPHX - IAD

2 stops23h 47mAlaska Airlines

Deal found 12/9

$341

Wed 1/74:30 pmIAD - PHX

Nonstop5h 20mSouthwest

Sun 1/1810:50 amPHX - IAD

Nonstop4h 00mSouthwest

Deal found 12/10

$292

Wed 1/217:30 amIAD - PHX

1 stop12h 05mDelta

Fri 1/3012:05 pmPHX - IAD

1 stop9h 05mDelta

Deal found 12/9

$305

Sat 1/107:00 amIAD - PHX

Nonstop5h 15mSouthwest

Sat 1/178:55 amPHX - IAD

Nonstop4h 00mSouthwest

Deal found 12/9

$295

Sun 1/256:04 pmIAD - PHX

1 stop31h 55mAlaska Airlines

Thu 1/295:12 pmPHX - IAD

1 stop21h 14mAlaska Airlines

Deal found 12/9

$344

Wed 2/47:30 amIAD - PHX

1 stop12h 05mDelta

Fri 2/612:05 pmPHX - IAD

1 stop9h 05mDelta

Deal found 12/10

$325

Mon 1/195:26 pmIAD - PHX

2 stops24h 46mAlaska Airlines

Thu 1/227:00 amPHX - IAD

1 stop31h 26mAlaska Airlines

Deal found 12/11

$349

Wed 2/113:42 pmIAD - PHX

1 stop10h 04mDelta

Tue 2/1711:50 pmPHX - IAD

1 stop7h 18mDelta

Deal found 12/9

$327

Wed 12/314:17 pmIAD - PHX

1 stop9h 36mDelta

Mon 1/511:53 pmPHX - IAD

1 stop9h 02mDelta

Deal found 12/11

$336

Last-minute flights from Dulles Intl to Phoenix
Discover last-minute flight deals from Dulles Intl to Phoenix. Data last updated December 12, 2025 and is based on user searches.

Tue 1/66:00 amIAD - PHX

2 stops11h 31mMultiple Airlines

Tue 1/135:05 pmPHX - IAD

1 stop19h 04mMultiple Airlines

Deal found 12/9

$246

Wed 1/75:42 pmIAD - PHX

2 stops21h 08mFrontier

Fri 1/96:00 amPHX - IAD

1 stop8h 46mFrontier

Deal found 12/9

$242

Thu 1/86:00 amIAD - PHX

2 stops20h 29mFrontier

Fri 1/96:00 amPHX - IAD

1 stop8h 46mFrontier

Deal found 12/9

$244

Thu 1/89:59 pmIAD - PHX

1 stop16h 51mFrontier

Thu 1/156:00 amPHX - IAD

1 stop8h 52mFrontier

Deal found 12/9

$249

Fri 1/96:00 amIAD - PHX

1 stop11h 13mFrontier

Sun 1/186:00 amPHX - IAD

1 stop8h 55mFrontier

Deal found 12/9

$252

Wed 1/148:00 amIAD - PHX

1 stop27h 48mMultiple Airlines

Sun 1/186:00 amPHX - IAD

1 stop23h 51mMultiple Airlines

Deal found 12/10

$241

Sat 1/1712:50 pmIAD - PHX

Nonstop5h 14mUnited Airlines

Sun 1/188:30 amPHX - IAD

Nonstop4h 18mUnited Airlines

Deal found 12/8

$243

Sat 1/178:20 amIAD - PHX

1 stop9h 37mUnited Airlines

Tue 1/208:30 amPHX - IAD

Nonstop4h 18mUnited Airlines

Deal found 12/10

$247

Sat 1/1710:43 amIAD - PHX

2 stops14h 46mFrontier

Mon 1/196:00 amPHX - IAD

1 stop13h 13mFrontier

Deal found 12/9

$251

Sun 1/2510:50 amIAD - PHX

1 stop16h 07mFrontier

Sun 2/17:00 amPHX - IAD

2 stops24h 55mFrontier

Deal found 12/11

$245

Tue 1/278:00 amIAD - PHX

1 stop10h 21mMultiple Airlines

Sun 2/17:00 amPHX - IAD

2 stops24h 55mMultiple Airlines

Deal found 12/10

$250

Thu 1/295:37 pmIAD - PHX

1 stop23h 45mFrontier

Mon 2/26:00 amPHX - IAD

1 stop8h 28mFrontier

Deal found 12/8

$238

One-way flights from Dulles Intl to Phoenix
Search for one-way flight options from Dulles Intl to Phoenix. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Thu 2/193:37 pmIAD - PHX

1 stop9h 13mFrontier

Deal found 12/9

$112

Mon 1/57:06 pmIAD - PHX

2 stops20h 07mFrontier

Deal found 12/10

$113

Mon 2/168:15 amIAD - PHX

1 stop12h 02mFrontier

Deal found 12/11

$115

Tue 1/205:26 pmIAD - PHX

1 stop22h 34mAlaska Airlines

Deal found 12/9

$117

Wed 12/315:40 pmIAD - PHX

Nonstop5h 12mUnited Airlines

Deal found 12/10

$119

Fri 1/26:05 amIAD - PHX

1 stop11h 13mFrontier

Deal found 12/10

$120

Fri 2/2710:49 amIAD - PHX

1 stop9h 00mFrontier

Deal found 12/11

$126

Thu 1/89:59 pmIAD - PHX

1 stop16h 51mFrontier

Deal found 12/10

$127

Find flight deals from Dulles Intl to Phoenix

Round-trip from	$238 (Kiwi.com)
One-way from	$112 (Frontier)
Popular in	December
Cheapest in	August
Average price	$493

From Washington, D.C. Dulles Intl to Phoenix

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Phoenix

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 1/18

4:30 pm-7:50 pm

Nonstop5h 20m

Phoenix Sky Harbor Intl

Tue 1/27

6:00 am-3:50 pm

1 stop7h 50m

$271

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 2/18

12:38 pm-7:43 pm

1 stop9h 05m

Phoenix Sky Harbor Intl

Tue 2/24

12:01 pm-11:10 pm

1 stop9h 09m

$284

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 1/7

4:30 pm-7:50 pm

Nonstop5h 20m

Phoenix Sky Harbor Intl

Sun 1/18

10:50 am-4:50 pm

Nonstop4h 00m

$292

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 1/10

7:00 am-10:15 am

Nonstop5h 15m

Phoenix Sky Harbor Intl

Sat 1/17

8:55 am-2:55 pm

Nonstop4h 00m

$295

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 1/21

7:30 am-5:35 pm

1 stop12h 05m

Phoenix Sky Harbor Intl

Fri 1/30

12:05 pm-11:10 pm

1 stop9h 05m

$305

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 2/4

7:30 am-5:35 pm

1 stop12h 05m

Phoenix Sky Harbor Intl

Fri 2/6

12:05 pm-11:10 pm

1 stop9h 05m

$325

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 2/11

3:42 pm-11:46 pm

1 stop10h 04m

Phoenix Sky Harbor Intl

Tue 2/17

11:50 pm-9:08 am

1 stop7h 18m

$327

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 12/31

4:17 pm-11:53 pm

1 stop9h 36m

Phoenix Sky Harbor Intl

Mon 1/5

11:53 pm-10:55 am

1 stop9h 02m

$336

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 1/20

5:24 pm-8:37 pm

Nonstop5h 13m

Phoenix Sky Harbor Intl

Thu 1/22

12:56 pm-9:07 pm

1 stop6h 11m

$340

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 1/21

5:26 pm-10:59 am

1 stop19h 33m

Phoenix Sky Harbor Intl

Fri 1/30

3:17 pm-5:04 pm

2 stops23h 47m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 21 results

Best time to book a flight from Dulles Intl to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Phoenix is 70 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix (average of $169). Flying from Washington, D.C. Dulles Intl Airport to Phoenix in April is currently the most expensive (average of $287). 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?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Phoenix at noon. Doing so could potentially save you 44% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Phoenix flight should consider departing on Sunday 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Phoenix

The most flights from IAD to PH1 are scheduled on a Wednesday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Phoenix

Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Washington, D.C. Dulles Intl Airport to Phoenix. 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.

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Delta

7.9

Good

8,008 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,095 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,050 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,084 reviews

Southwest

7.9

Good

4,253 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Washington, D.C. Dulles Intl Airport to Phoenix?
Southwest and Delta can get you from Washington, D.C. Dulles Intl Airport to Phoenix in just under 5h 20m. Your travel time can differ by up to 3h 45m. There are 1950 mi between Washington, D.C. Dulles Intl Airport and Phoenix. This flight may include one or multiple stops.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Phoenix round-trip?
According to our current data, Frontier ($148), Delta ($244), and Southwest ($269) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Phoenix. Frontier is currently priced 62% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Phoenix one-way?
For one-way options, check prices for Frontier. According to our data, you can fly for as low as $105. Users have also found prices from $113 and $138 on Southwest and Alaska Airlines, respectively.
What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Phoenix?
The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Phoenix are United Airlines (84%), Avianca (75%) and Austrian Airlines (73%).
What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Phoenix?
While on average a flight from Washington, D.C. Dulles Intl Airport to Phoenix is generally $575, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl), you can expect to pay $191 for that flight.
Can I find deals for flights from Dulles Intl to Phoenix that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Phoenix flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Phoenix?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Phoenix.
Can I find deals for business class flights from Dulles Intl to Phoenix?
Yes. Cheapflights offers flight deals from Dulles Intl to Phoenix 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?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Phoenix (average of $169). Flying from Washington, D.C. Dulles Intl Airport to Phoenix in April is currently the most expensive (average of $287). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Dulles Intl to Phoenix

Dulles Intl to Las Vegas flights

Baltimore to Las Vegas flights

Reagan-National to Las Vegas flights

Dulles Intl to Sky Harbor Intl flights

Baltimore to Sky Harbor Intl flights

Reagan-National to Sky Harbor Intl flights

Dulles Intl to Tucson flights

Reagan-National to Tucson flights

Baltimore to Tucson flights

Reagan-National to Flagstaff flights

Dulles Intl to Flagstaff flights

Baltimore to Flagstaff flights

Baltimore to Yuma flights

Dulles Intl to Yuma flights

Reagan-National to Yuma flights

Top 5 airlines flying from Dulles Intl to Phoenix

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$148	Average$261	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$269	Average$382	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$276	Average$334	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$277	Average$421	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$366	Average$486	FlexibilityNo cancel fee	On-time71%

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$112+ Cheap flights from Dulles Intl (IAD) to Phoenix

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Phoenix with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Phoenix are usually found in August or July, booked 70 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Dulles Intl to Phoenix

Cheapest flights from Dulles Intl to PhoenixExplore the most affordable flight options available from Dulles Intl to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Explore the most affordable flight options available from Dulles Intl to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

Find flight deals from Dulles Intl to Phoenix

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix that are best for you.

Best time to book a flight from Dulles Intl to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix from Dulles Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Phoenix

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Phoenix. Price data was last updated on December 5, 2025.

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

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

Find hourly flight availability from Dulles Intl to Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Phoenix. Price data was last updated on December 16, 2024.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Phoenix

Reviews of airlines servicing Phoenix

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Phoenix. 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?

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

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

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

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

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

How can I find direct flights from Dulles Intl to Phoenix?

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

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

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 Phoenix

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Dulles Intl to Phoenix

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Cheapest flights from Dulles Intl to Phoenix
Explore the most affordable flight options available from Dulles Intl to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.