In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Consider Southwest (82%), Avianca (70%) or United Airlines (70%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.

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

The most popular airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

Saturday flights are generally found to be more expensive for flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Sky Harbor Intl to Dulles 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.

$107+ Flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl are usually found in August or May, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Dulles Intl

Round-trip from	$253 (Priceline)
One-way from	$107 (Priceline)
Popular in	January
Cheapest in	August
Average price	$387
Good round-trip deal	$395 or less
Good one-way deal	$194 or less

From Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl

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

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Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).

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

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl.

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Find flight deals from Sky Harbor Intl to Dulles Intl

Cheapest flights from Sky Harbor Intl to Dulles Intl
Explore the most affordable flight options available from Sky Harbor Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Wed 10/227:50 pmPHX - IAD

1 stop10h 39mFrontier

Mon 10/2710:24 amIAD - PHX

1 stop11h 31mFrontier

Deal found 7/2

$253

Wed 8/137:00 amPHX - IAD

2 stops12h 05mSouthwest

Wed 8/204:55 pmIAD - PHX

Nonstop4h 45mSouthwest

Deal found 7/2

$254

Wed 8/276:00 amPHX - IAD

1 stop7h 47mAlaska Airlines

Sun 8/315:52 pmIAD - PHX

1 stop7h 34mAlaska Airlines

Deal found 7/2

$258

Tue 7/296:00 amPHX - IAD

1 stop7h 12mUnited Airlines

Tue 8/56:35 amIAD - PHX

1 stop7h 34mUnited Airlines

Deal found 7/1

$259

Wed 7/304:51 pmPHX - IAD

1 stop14h 48mMultiple Airlines

Sat 8/91:37 pmIAD - PHX

1 stop29h 39mMultiple Airlines

Deal found 6/30

$263

Tue 7/2911:08 amPHX - IAD

1 stop21h 35mSun Country Air

Thu 8/71:28 pmIAD - PHX

1 stop29h 34mSun Country Air

Deal found 7/1

$265

Sat 8/211:59 pmPHX - IAD

1 stop6h 20mDelta

Sat 8/95:46 pmIAD - PHX

1 stop7h 59mDelta

Deal found 7/3

$277

Best flights from Sky Harbor Intl to Dulles Intl
Discover carefully curated flight deals from Sky Harbor Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 10/227:50 pmPHX - IAD

1 stop10h 39mFrontier

Mon 10/2710:24 amIAD - PHX

1 stop11h 31mFrontier

Deal found 7/2

$253

Wed 8/137:00 amPHX - IAD

2 stops12h 05mSouthwest

Wed 8/204:55 pmIAD - PHX

Nonstop4h 45mSouthwest

Deal found 7/2

$254

Wed 8/276:00 amPHX - IAD

1 stop7h 47mAlaska Airlines

Sun 8/315:52 pmIAD - PHX

1 stop7h 34mAlaska Airlines

Deal found 7/2

$258

Tue 7/296:00 amPHX - IAD

1 stop7h 12mUnited Airlines

Tue 8/56:35 amIAD - PHX

1 stop7h 34mUnited Airlines

Deal found 7/1

$259

Wed 7/304:51 pmPHX - IAD

1 stop14h 48mMultiple Airlines

Sat 8/91:37 pmIAD - PHX

1 stop29h 39mMultiple Airlines

Deal found 6/30

$263

Tue 7/2911:08 amPHX - IAD

1 stop21h 35mSun Country Air

Thu 8/71:28 pmIAD - PHX

1 stop29h 34mSun Country Air

Deal found 7/1

$265

Mon 7/2812:45 amPHX - IAD

1 stop7h 09mDelta

Wed 8/66:00 amIAD - PHX

1 stop6h 39mDelta

Deal found 7/1

$277

Last-minute flights from Sky Harbor Intl to Dulles Intl
Discover last-minute flight deals from Sky Harbor Intl to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Wed 7/911:35 pmPHX - IAD

Nonstop4h 23mUnited Airlines

Wed 7/236:10 amIAD - PHX

1 stop7h 52mUnited Airlines

Deal found 7/2

$499

Wed 7/912:45 amPHX - IAD

1 stop7h 09mDelta

Mon 7/215:20 pmIAD - PHX

1 stop8h 25mDelta

Deal found 7/3

$594

Thu 7/107:17 pmPHX - IAD

1 stop8h 17mFrontier

Mon 7/146:10 amIAD - PHX

1 stop8h 21mFrontier

Deal found 7/2

$266

Fri 7/119:55 amPHX - IAD

Nonstop4h 20mSouthwest

Tue 7/155:35 pmIAD - PHX

Nonstop4h 50mSouthwest

Deal found 7/1

$574

Sat 7/1212:38 amPHX - IAD

1 stop7h 21mAmerican Airlines

Thu 7/246:27 amIAD - PHX

1 stop9h 17mAmerican Airlines

Deal found 7/3

$578

Sun 7/1311:59 pmPHX - IAD

1 stop8h 44mMultiple Airlines

Thu 7/2411:04 amIAD - PHX

1 stop27h 10mMultiple Airlines

Deal found 7/2

$483

Thu 7/177:17 pmPHX - IAD

1 stop8h 17mFrontier

Tue 7/227:30 amIAD - PHX

1 stop13h 57mFrontier

Deal found 7/1

$255

Tue 7/296:00 amPHX - IAD

1 stop7h 12mUnited Airlines

Tue 8/56:35 amIAD - PHX

1 stop7h 34mUnited Airlines

Deal found 7/1

$259

Tue 7/2911:08 amPHX - IAD

1 stop21h 35mSun Country Air

Thu 8/71:28 pmIAD - PHX

1 stop29h 34mSun Country Air

Deal found 7/1

$265

Wed 7/304:51 pmPHX - IAD

1 stop14h 48mMultiple Airlines

Sat 8/91:37 pmIAD - PHX

1 stop29h 39mMultiple Airlines

Deal found 6/30

$263

Sat 8/211:59 pmPHX - IAD

1 stop6h 20mDelta

Sat 8/95:46 pmIAD - PHX

1 stop7h 59mDelta

Deal found 7/3

$277

Wed 8/137:00 amPHX - IAD

2 stops12h 05mSouthwest

Wed 8/204:55 pmIAD - PHX

Nonstop4h 45mSouthwest

Deal found 7/2

$254

One-way flights from Sky Harbor Intl to Dulles Intl
Search for one-way flight options from Sky Harbor Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Fri 8/226:00 amPHX - IAD

1 stop7h 30mFrontier

Deal found 7/2

$107

Sun 8/108:16 pmPHX - IAD

1 stop10h 51mMultiple Airlines

Deal found 7/2

$116

Sat 11/12:10 pmPHX - IAD

Nonstop4h 07mUnited Airlines

Deal found 7/1

$120

Sat 10/256:00 amPHX - IAD

1 stop7h 42mHawaiian Airlines

Deal found 7/1

$128

Wed 9/310:50 amPHX - IAD

1 stop10h 33mAlaska Airlines

Deal found 7/1

$129

Thu 10/236:53 pmPHX - IAD

1 stop13h 27mSun Country Air

Deal found 7/2

$133

Wed 10/158:20 amPHX - IAD

2 stops11h 45mSouthwest

Deal found 7/1

$135

Fri 10/38:02 amPHX - IAD

1 stop9h 44mAllegiant Air

Deal found 7/2

$138

Mon 7/2812:45 amPHX - IAD

1 stop7h 09mDelta

Deal found 7/2

$139

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 10/22

7:50 pm-9:29 am

1 stop10h 39m

Washington, D.C. Dulles Intl

Mon 10/27

10:24 am-6:55 pm

1 stop11h 31m

$253

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 8/13

7:00 am-10:05 pm

2 stops12h 05m

Washington, D.C. Dulles Intl

Wed 8/20

4:55 pm-6:40 pm

Nonstop4h 45m

$254

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 8/27

6:00 am-4:47 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Sun 8/31

5:52 pm-10:26 pm

1 stop7h 34m

$258

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 7/29

6:00 am-4:12 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Tue 8/5

6:35 am-11:09 am

1 stop7h 34m

$259

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 7/30

4:51 pm-10:39 am

1 stop14h 48m

Washington, D.C. Dulles Intl

Sat 8/9

1:37 pm-4:16 pm

1 stop29h 39m

$263

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 7/29

11:08 am-11:43 am

1 stop21h 35m

Washington, D.C. Dulles Intl

Thu 8/7

1:28 pm-4:02 pm

1 stop29h 34m

$265

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 8/2

11:59 pm-9:19 am

1 stop6h 20m

Washington, D.C. Dulles Intl

Sat 8/9

5:46 pm-10:45 pm

1 stop7h 59m

$277

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 9/26

12:37 pm-12:06 am

1 stop8h 29m

$107

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sun 8/10

8:16 pm-10:07 am

1 stop10h 51m

$116

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 11/1

11:59 pm-6:06 am

Nonstop4h 07m

$120

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 16 results

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

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport trip

Airports

PHX

PHX offers short security lines, typically under 10 minutes, with live wait times displayed online for Terminal 4 checkpoints.

IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cost-effective transport option to the city.

Our travel experts

Brandon Schultz

Expert on PHX

Ramsey Qubein

Expert on IAD

Best time to book a flight from Sky Harbor Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Sky Harbor 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 Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport

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

To ensure you get the cheapest price possible for a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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 PHX to IAD?

It’s typically best to fly out from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in the evening. Doing so could potentially save you 43% on the flight price compared to flying at noon, which is usually more expensive.

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

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

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

The most flights from PHX to IAD are scheduled on a Wednesday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Southwest

8.0

Very good

4,266 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,982 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,861 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

What are the cheapest airlines flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $253, Frontier will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Southwest and Alaska Airlines - these airlines can fly you to your destination from $254 and $258, respectively. Frontier is currently priced 35% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport one-way?
$107 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Hawaiian Airlines, with prices starting from $120 and $128, respectively.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?
Consider Southwest (82%), Avianca (70%) or United Airlines (70%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.
What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $144. While the most popular route (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) can be booked for $222 on average our data indicates $2,547 when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Sky Harbor Intl to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Dulles Intl.
Can I find deals for business class flights from Sky Harbor Intl to Dulles Intl?
Yes. Cheapflights offers flight deals from Sky Harbor Intl to Dulles 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 Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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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Silver Spring

Fredericksburg

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Fairfax

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Towson

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National Harbor

Manassas

Dundalk

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Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Sky Harbor Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$146	Average$272	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$244	Average$325	FlexibilityNo cancel fee	On-timeN/A
Southwest	Cheapest$263	Average$397	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$266	Average$394	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$344	Average$487	FlexibilityNo cancel fee	On-time71%

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$107+ Cheap flights from Sky Harbor Intl (PHX) to Dulles Intl (IAD)

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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Sky Harbor Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl are usually found in August or May, booked 90 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Sky Harbor Intl to Dulles Intl

Cheapest flights from Sky Harbor Intl to Dulles IntlExplore the most affordable flight options available from Sky Harbor Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from Sky Harbor Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

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

Cheapflights partnered with top experts to bring you the best recommendations for your Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport trip

Airports

PHX

IAD

Our travel experts

Best time to book a flight from Sky Harbor Intl to Dulles Intl

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Sky Harbor Intl to Dulles Intl. Price data was last updated on June 27, 2025.

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

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

Find hourly flight availability from Sky Harbor Intl to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Sky Harbor Intl to Dulles Intl. Price data was last updated on June 29, 2025.

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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

Traveling to a place near Phoenix Sky Harbor Intl Airport?

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Alternative routes for Sky Harbor Intl to Dulles Intl

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

Top 5 airlines flying from Sky Harbor Intl to Dulles Intl

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Cheapest flights from Sky Harbor Intl to Dulles Intl
Explore the most affordable flight options available from Sky Harbor Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.