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$113+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAD
Jul 30 — Aug 61
From?
To?
Tue 7/30
Tue 8/6
1 adult, Economy
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The best prices from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl are usually found in August or September, booked 58 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Sky Harbor Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Dulles Intl (IAD). 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 July 25, 2024.

Popular in

June

Cheapest in

August

Round-trip from

$265
(Sun Country Air)

One-way from

$113
(Trip.com)
High demand for flights, 16% potential price rise
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Best time to find cheap flights, 19% potential price drop
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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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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.

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

To save on the cost of your flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport, book at least 48 days before your planned departure. Booking around this time can save you about 73% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $284 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $488.

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

January can be a great time to fly to Washington, D.C. Dulles Intl Airport from Phoenix Sky Harbor Intl Airport with a flight ticket averaging about $343. Cheapflights users have found deals in the month of January for as cheap as $145. The most expensive prices can be found in the month of March.

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 afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Sky Harbor Intl to Dulles Intl flights in July & August 2024

Find cheap flight options from Sky Harbor Intl to Dulles Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
Scroll through some of the best deals on flights from Phoenix to Washington, D.C. in 2024. Check back in a little while for more flight options.
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/3011:59 pmPHX - IAD
Nonstop4h 22mUnited Airlines
Sat 8/315:15 pmIAD - PHX
Nonstop4h 52mUnited Airlines
Deal found 7/24$289
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/302:29 pmPHX - IAD
1 stop6h 46mUnited Airlines
Sat 8/315:15 pmIAD - PHX
Nonstop4h 52mUnited Airlines
Deal found 7/24$299
This Sun Country Air deal was found by Cheapflights users on 7/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2010:20 amPHX - IAD
1 stop21h 06mSun Country Air
Sun 8/251:13 pmIAD - PHX
1 stop29h 34mSun Country Air
Deal found 7/25$300
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/214:15 pmPHX - IAD
1 stop16h 05mSun Country Air
Wed 8/2811:25 amIAD - PHX
1 stop7h 22mSun Country Air
Deal found 7/25$304
This Delta deal was found by Cheapflights users on 7/25. 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 8/1911:14 pmPHX - IAD
1 stop7h 02mDelta
Tue 8/271:36 pmIAD - PHX
1 stop7h 11mDelta
Deal found 7/25$308
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/302:29 pmPHX - IAD
1 stop6h 46mUnited Airlines
Mon 9/26:30 amIAD - PHX
1 stop7h 01mUnited Airlines
Deal found 7/25$325
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/104:30 pmPHX - IAD
1 stop17h 20mSun Country Air
Wed 8/2111:26 amIAD - PHX
1 stop6h 54mSun Country Air
Deal found 7/25$329
This Delta deal was found by Cheapflights users on 7/25. 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 8/1811:14 pmPHX - IAD
1 stop7h 02mDelta
Thu 8/226:10 amIAD - PHX
1 stop6h 38mDelta
Deal found 7/25$333
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/278:30 amPHX - IAD
2 stops9h 26mUnited Airlines
Thu 8/296:20 amIAD - PHX
1 stop7h 35mUnited Airlines
Deal found 7/25$347

Sky Harbor Intl to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Sky Harbor Intl and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Scroll through some of the best deals on flights from Phoenix to Washington, D.C. in 2024. Check back in a little while for more flight options.
This Sun Country Air deal was found by Cheapflights users on 7/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/119:40 amPHX - IAD
1 stop21h 33mSun Country Air
Sun 9/1512:33 pmIAD - PHX
1 stop23h 16mSun Country Air
Deal found 7/25$275
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/306:15 pmPHX - IAD
1 stop13h 01mSun Country Air
Sun 11/31:00 pmIAD - PHX
1 stop7h 11mSun Country Air
Deal found 7/25$280
This Sun Country Air deal was found by Cheapflights users on 7/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2311:15 amPHX - IAD
1 stop19h 47mSun Country Air
Sun 10/2711:45 amIAD - PHX
1 stop25h 51mSun Country Air
Deal found 7/25$285
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/3011:59 pmPHX - IAD
Nonstop4h 22mUnited Airlines
Sat 8/315:15 pmIAD - PHX
Nonstop4h 52mUnited Airlines
Deal found 7/24$289
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/36:25 pmPHX - IAD
1 stop15h 31mSun Country Air
Sun 10/61:25 pmIAD - PHX
1 stop12h 21mSun Country Air
Deal found 7/24$295
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/251:30 pmPHX - IAD
Nonstop4h 16mUnited Airlines
Mon 9/305:18 pmIAD - PHX
Nonstop4h 52mUnited Airlines
Deal found 7/25$298
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/302:29 pmPHX - IAD
1 stop6h 46mUnited Airlines
Sat 8/315:15 pmIAD - PHX
Nonstop4h 52mUnited Airlines
Deal found 7/24$299
This Sun Country Air deal was found by Cheapflights users on 7/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2010:20 amPHX - IAD
1 stop21h 06mSun Country Air
Sun 8/251:13 pmIAD - PHX
1 stop29h 34mSun Country Air
Deal found 7/25$300
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/214:15 pmPHX - IAD
1 stop16h 05mSun Country Air
Wed 8/2811:25 amIAD - PHX
1 stop7h 22mSun Country Air
Deal found 7/25$304

Sky Harbor Intl to Dulles Intl flights leaving soon

Find last-minute flight options from Sky Harbor Intl to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Consider one of these great deals we found on last-minute flights from Phoenix to Washington, D.C.. Users should examine the flight details to ensure there are no surprises.
This FlightHub deal was found by Cheapflights users on 7/24. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:10 pmPHX - IAD
1 stop16h 00mSun Country Air
Wed 8/711:24 amIAD - PHX
1 stop6h 53mSun Country Air
Deal found 7/24$350
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:10 pmPHX - IAD
1 stop16h 00mMultiple Airlines
Sun 8/115:14 pmIAD - PHX
3 stops31h 11mMultiple Airlines
Deal found 7/24$351
This FlightHub deal was found by Cheapflights users on 7/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/35:43 pmPHX - IAD
1 stop16h 07mSun Country Air
Thu 8/2212:13 pmIAD - PHX
1 stop6h 54mSun Country Air
Deal found 7/25$355
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/26:10 pmPHX - IAD
1 stop16h 00mMultiple Airlines
Sun 8/119:56 amIAD - PHX
2 stops26h 34mMultiple Airlines
Deal found 7/24$363
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/25:55 amPHX - IAD
3 stops26h 25mMultiple Airlines
Sun 8/115:14 pmIAD - PHX
3 stops31h 11mMultiple Airlines
Deal found 7/24$392
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/35:43 pmPHX - IAD
1 stop16h 07mSun Country Air
Thu 8/2212:13 pmIAD - PHX
1 stop6h 54mSun Country Air
Deal found 7/24$400
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/25:55 amPHX - IAD
3 stops26h 25mMultiple Airlines
Sun 8/119:56 amIAD - PHX
2 stops26h 34mMultiple Airlines
Deal found 7/24$404
This CheapOair deal was found by Cheapflights users on 7/24. 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.
Wed 7/314:30 pmPHX - IAD
1 stop18h 05mSun Country Air
Sun 8/251:13 pmIAD - PHX
1 stop29h 34mSun Country Air
Deal found 7/24$427
This CheapOair deal was found by Cheapflights users on 7/25. 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.
Wed 7/314:30 pmPHX - IAD
1 stop18h 05mSun Country Air
Sun 8/251:13 pmIAD - PHX
1 stop29h 34mSun Country Air
Deal found 7/25$447

One-way flights to Dulles Intl from Sky Harbor Intl

Search for one-way flight options from Sky Harbor Intl to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Users traveling one-way from Phoenix to Washington, D.C. can select one of these great deals. For those needing a return trip from Phoenix, there is a search form available above.
This Trip.com deal was found by Cheapflights users on 7/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/246:29 amPHX - IAD
1 stop11h 27mMultiple Airlines
Deal found 7/25$113
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/216:20 pmPHX - IAD
1 stop14h 36mSun Country Air
Deal found 7/25$120
This mytrip.com deal was found by Cheapflights users on 7/24. 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 mytrip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/286:15 pmPHX - IAD
1 stop17h 21mSun Country Air
Deal found 7/24$123
This Cheapflightsfares deal was found by Cheapflights users on 7/25. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/235:55 pmPHX - IAD
1 stop13h 07mSun Country Air
Deal found 7/25$130
This Sun Country Air deal was found by Cheapflights users on 7/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/119:40 amPHX - IAD
1 stop21h 33mSun Country Air
Deal found 7/25$138
This Cheapflightsfares deal was found by Cheapflights users on 7/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/94:55 pmPHX - IAD
1 stop16h 15mSun Country Air
Deal found 7/24$140
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/3011:59 pmPHX - IAD
Nonstop4h 22mUnited Airlines
Deal found 7/24$145
This Sun Country Air deal was found by Cheapflights users on 7/24. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2311:15 amPHX - IAD
1 stop19h 47mSun Country Air
Deal found 7/24$148
This Cheapflightsfares deal was found by Cheapflights users on 7/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/277:25 pmPHX - IAD
1 stop14h 00mSun Country Air
Deal found 7/23$150

Find flights from Sky Harbor Intl to Dulles Intl within your budget

Customize your flight search to find flights from Sky Harbor Intl to Dulles 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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$265 - $457

Route

Depart

Return

Price

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 8/20

1 stop21h 06m

Washington, D.C. Dulles Intl

Wed 8/28

1 stop7h 22m

$265

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 9/11

1 stop21h 33m

Washington, D.C. Dulles Intl

Sun 9/15

1 stop23h 16m

$275

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Fri 8/30

Nonstop4h 22m

Washington, D.C. Dulles Intl

Wed 9/4

Nonstop4h 46m

$289

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 9/25

Nonstop4h 16m

Washington, D.C. Dulles Intl

Mon 9/30

Nonstop4h 52m

$298

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 8/15

1 stop6h 57m

Washington, D.C. Dulles Intl

Wed 8/21

1 stop8h 00m

$303

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 8/22

3 stops23h 25m

Washington, D.C. Dulles Intl

Thu 8/29

1 stop6h 48m

$321

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Mon 8/19

1 stop8h 46m

Washington, D.C. Dulles Intl

Thu 8/22

1 stop9h 09m

$366

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Wed 9/18

2 stops20h 02m

Washington, D.C. Dulles Intl

Mon 9/23

1 stop24h 24m

$369

Phoenix Sky Harbor IntlWashington, D.C. Dulles Intl

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 8/1

2 stops23h 09m

Washington, D.C. Dulles Intl

Thu 8/8

2 stops26h 34m

$457

Flights are sorted by cheapest first

Deals found on 7/23

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 July 23, 2024.
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 58 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.
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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 July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday at noon 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.
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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.

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

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).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles 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 Dulles Intl. Reviews last updated July 25, 2024.
Read reviews from past customers who have flown Sun Country Air, Alaska Airlines and United Airlines from Phoenix to Washington, D.C.. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Alaska Airlines
8.1
Very good
9,365 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Delta
8.0
Very good
9,630 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

Allegiant Air
7.5
Good
938 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

United Airlines
7.4
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

American Airlines
7.3
Good
10,000 reviews
Alaska Airlines
8.1
Very good
9,365 reviews

Entertainment

7.2

Boarding

8.2

Food

7.2

Overall

8.1

Comfort

7.9

Crew

8.6

Reviews

1 / 10

A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.

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.

  • Can I find flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Yes, there are multiple flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport for under $300. The cheapest flight booked recently is on Sun Country Air for just $265, but on average you can expect to pay $299.

  • Are there nonstop flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport for under $300 on Cheapflights?

    Cheapflights has at least 20 direct flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport under $300. A good price for a nonstop flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport is less than $384.

  • Are there last-minute flights available from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport for under $400?

    There are currently 20+ open flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $400.

  • What days are nonstop flights available from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

    Nonstop flights are available for this route on the following days: Sunday, Thursday, Friday, Saturday.

  • How many flights depart from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport on average per day?

    On average, you can expect to see 5 flights from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport a day.
    Evening (6pm - Midnight) - 100% of flight departures

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

    There are many flights that can get you from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in 4h 22m. Fly via Sun Country Air, United Airlines, or Delta to get the fastest option. The distance between Phoenix Sky Harbor Intl Airport and Washington, D.C. Dulles Intl Airport is about 1963 mi. This flight may include one or multiple stops.

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

    Currently priced at $265, Sun Country Air will fly you from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport and back. In addition to Sun Country Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $289 and $303, respectively. Sun Country Air is currently priced 32% 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?

    $120 is the cheapest one-way deal found within the past few days, from Sun Country Air. You may also be able to find cheap deals on United Airlines and Delta, with prices starting from $145 and $154, respectively.

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

    Consider Austrian Airlines (89%), Brussels Airlines (89%) or United Airlines (86%) 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 $139. While the most popular route (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) can be booked for $208 on average our data indicates $840 when flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What does PHX to IAD mean?

    Great question - PHX to IAD just means Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Sky Harbor Intl to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Sky Harbor Intl to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Sky Harbor Intl to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Sky Harbor Intl to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Sky Harbor Intl to Dulles Intl that allow pets onboard?

    Many airlines flying from Sky Harbor Intl to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Sky Harbor Intl to Dulles Intl?

    Yes, you can often find last-minute deals on Sky Harbor Intl to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 7/25.

  • 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 month to book a flight from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport?

    Currently, September 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 $278). Flying from Phoenix Sky Harbor Intl Airport to Washington, D.C. Dulles Intl Airport in June 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

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Alternative routes for Sky Harbor Intl to Dulles Intl
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Top 4 airlines flying from Sky Harbor Intl to Dulles Intl

Discover the top 4 airlines that operate flights from Sky Harbor Intl to Dulles 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$254FlexibilityNo cancel feeOn-time62%
DeltaCheapest$184Average$315FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$228Average$414FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$244Average$346FlexibilityNo cancel feeOn-time71%
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Washington, D.C. Dulles Intl Airport to London Heathrow Airport flights
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Phoenix Sky Harbor Intl Airport to Niagara Falls, New York flights

Search flights from Sky Harbor Intl to Dulles Intl by cabin class

Find flights from Sky Harbor Intl to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
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Prem Econ Class
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Hourly flight availability from Sky Harbor Intl to Dulles Intl

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 25, 2024.
1%of flight departuresEarly morningMidnight to 6 am
76%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
23%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Sky Harbor Intl to Dulles Intl

Explore weekly flight availability from Sky Harbor Intl to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 25, 2024.
Sunday6daily flights
Monday8daily flights
Tuesday6daily flights
Wednesday6daily flights
Thursday7daily flights
Friday7daily flights
Saturday7daily flights

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