What is the cheapest airline that flies from Phoenix to Washington, D.C. Dulles Intl?

Delta and United Airlines are the most popular carriers operating from Phoenix to Washington, D.C. Dulles Intl

How often are flights from Phoenix to Washington, D.C. delayed?

Historically, on average around 10% of flights between Phoenix and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

What airlines fly to Washington, D.C. Dulles Intl Airport?

United Airlines, Southwest and Frontier are the top three most popular airlines that fly to Washington, D.C. Dulles Intl Airport from Phoenix according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Washington, D.C. Dulles Intl Airport. Keep in mind that there are 4 different airlines that fly to Washington, D.C. Dulles Intl Airport on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, 7 flights take off from Phoenix and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 9:00AM, with 67% of daily flights taking off at noon.

Which airline has the best punctuality record on Phoenix to Washington, D.C. flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Phoenix to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

How many operators does momondo search for flights from Phoenix to Washington, D.C. Dulles Intl Airport?

There are 4 operators available for flights from Phoenix to Washington, D.C. Dulles Intl Airport as of November 2025.

How old do you have to be to fly from Phoenix to Washington, D.C. Dulles Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix to Washington, D.C. Dulles Intl Airport.

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$137 Cheap Flights from Phoenix to Washington, D.C. Dulles Intl Airport in 2025/26

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6:00 am - 4:28 pmPHX-IAD

8h 28m1 stop

5:40 pm - 4:36 pmIAD-PHX

24h 56m2 stops

$233Multiple Airlines

Find Deal

jeu., févr. 5 - jeu., févr. 12

6:00 am - 4:24 pmPHX-IAD

8h 24m1 stop

5:45 am - 3:18 pmIAD-PHX

11h 33m1 stop

$237Frontier

Find Deal

ven., déc. 12 - lun., déc. 15

6:00 am - 5:25 pmPHX-IAD

9h 25m1 stop

6:00 am - 3:13 pmIAD-PHX

11h 13m1 stop

$238Frontier

Find Deal

lun., déc. 15 - dim., janv. 11

6:00 am - 5:25 pmPHX-IAD

9h 25m1 stop

6:00 am - 3:13 pmIAD-PHX

11h 13m1 stop

$246Frontier

Find Deal

lun., déc. 15 - dim., janv. 11

6:00 am - 4:52 pmPHX-IAD

8h 52m1 stop

3:00 pm - 12:25 amIAD-PHX

11h 25m2 stops

$247Frontier

Find Deal

jeu., janv. 15 - dim., janv. 18

12:59 am - 9:03 pmPHX-IAD

18h 04m1 stop

9:58 pm - 11:49 pmIAD-PHX

27h 51m1 stop

$248Frontier

Find Deal

lun., déc. 22 - mar., déc. 30

6:00 am - 4:24 pmPHX-IAD

8h 24m1 stop

5:45 am - 3:18 pmIAD-PHX

11h 33m1 stop

$249Frontier

Find Deal

ven., déc. 12 - lun., déc. 15

6:00 am - 11:05 pmPHX-IAD

15h 05m1 stop

6:05 am - 3:18 pmIAD-PHX

11h 13m1 stop

$250Frontier

Find Deal

dim., déc. 14 - ven., déc. 19

6:00 am - 4:33 pmPHX-IAD

8h 33m1 stop

10:49 am - 5:49 pmIAD-PHX

9h 00m1 stop

$251Frontier

Find Deal

dim., févr. 8 - lun., mars 2

11:59 pm - 2:42 pmPHX-IAD

12h 43m1 stop

7:05 am - 11:01 pmIAD-PHX

18h 56m1 stop

$252Multiple Airlines

Find Deal

dim., mars 1 - mar., mars 10

Frontier flights from Phoenix to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets

Frontier

Dec 12

PHX6:00 amPhoenix Sky Harbor Intl

8h 24m

1 stop

IAD4:24 pmWashington, D.C. Dulles Intl

Dec 15

IAD5:45 amWashington, D.C. Dulles Intl

11h 33m

1 stop

PHX3:18 pmPhoenix Sky Harbor Intl

$237

Find similar

Frontier

Dec 15

PHX6:00 amPhoenix Sky Harbor Intl

9h 25m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

Jan 11

IAD6:00 amWashington, D.C. Dulles Intl

11h 13m

1 stop

PHX3:13 pmPhoenix Sky Harbor Intl

$238

Find similar

Frontier

Dec 15

PHX6:00 amPhoenix Sky Harbor Intl

9h 25m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

Jan 11

IAD6:00 amWashington, D.C. Dulles Intl

11h 13m

1 stop

PHX3:13 pmPhoenix Sky Harbor Intl

$246

Find similar

Delta flights from Phoenix to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets

Delta

Feb 4

PHX4:07 pmPhoenix Sky Harbor Intl

6h 17m

1 stop

IAD12:24 amWashington, D.C. Dulles Intl

Feb 10

IAD7:15 amWashington, D.C. Dulles Intl

9h 40m

1 stop

PHX2:55 pmPhoenix Sky Harbor Intl

$265

Find similar

Delta

Dec 10

PHX2:18 pmPhoenix Sky Harbor Intl

7h 11m

1 stop

IAD11:29 pmWashington, D.C. Dulles Intl

Dec 16

IAD6:00 amWashington, D.C. Dulles Intl

11h 42m

2 stops

PHX3:42 pmPhoenix Sky Harbor Intl

$279

Find similar

Delta

Jan 6

PHX1:01 pmPhoenix Sky Harbor Intl

8h 56m

1 stop

IAD11:57 pmWashington, D.C. Dulles Intl

Jan 13

IAD6:00 amWashington, D.C. Dulles Intl

7h 14m

1 stop

PHX11:14 amPhoenix Sky Harbor Intl

$292

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix 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

jeu. 2/5

6:00 am-4:28 pm

1 stop8h 28m

Washington, D.C. Dulles Intl

jeu. 2/12

5:40 pm-4:36 pm

2 stops24h 56m

$233

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

ven. 12/12

6:00 am-4:24 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

lun. 12/15

5:45 am-3:18 pm

1 stop11h 33m

$237

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/15

6:00 am-5:25 pm

1 stop9h 25m

Washington, D.C. Dulles Intl

dim. 1/11

6:00 am-3:13 pm

1 stop11h 13m

$238

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/15

6:00 am-5:25 pm

1 stop9h 25m

Washington, D.C. Dulles Intl

dim. 1/11

6:00 am-3:13 pm

1 stop11h 13m

$246

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

jeu. 1/15

6:00 am-4:52 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

dim. 1/18

3:00 pm-12:25 am

2 stops11h 25m

$247

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

lun. 12/22

12:59 am-9:03 pm

1 stop18h 04m

Washington, D.C. Dulles Intl

mar. 12/30

9:58 pm-11:49 pm

1 stop27h 51m

$248

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

ven. 12/12

6:00 am-4:24 pm

1 stop8h 24m

Washington, D.C. Dulles Intl

lun. 12/15

5:45 am-3:18 pm

1 stop11h 33m

$249

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

dim. 12/14

6:00 am-11:05 pm

1 stop15h 05m

Washington, D.C. Dulles Intl

ven. 12/19

6:05 am-3:18 pm

1 stop11h 13m

$250

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

dim. 2/8

6:00 am-4:33 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

lun. 3/2

10:49 am-5:49 pm

1 stop9h 00m

$251

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

dim. 3/1

11:59 pm-2:42 pm

1 stop12h 43m

Washington, D.C. Dulles Intl

mar. 3/10

7:05 am-11:01 pm

1 stop18h 56m

$252

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

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

In general, August is the cheapest month to fly from Phoenix to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $350.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $480. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix to Washington, D.C. Dulles Intl Airport for around $720.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Phoenix in the evening is the least expensive time of day to depart. momondo users have found prices as low as $446 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $752 on average. Flights to Washington, D.C. Dulles Intl Airport from Phoenix at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Phoenix to Washington, D.C. Dulles Intl flight route?

Fly from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl for the best Phoenix - Washington, D.C. Dulles Intl flight prices

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Phoenix for as low as $286 on momondo.

What cabin class options are available on Phoenix to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Phoenix to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Phoenix to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix to Washington, D.C. Dulles Intl Airport

Fastest flight time	4h 00m
Direct flights	Every day

The fastest flight from Phoenix to Washington, D.C. Dulles Intl Airport takes 4h 00m

Direct flights go from Phoenix to Washington, D.C. Dulles Intl Airport every day.

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How far is Phoenix to Washington, D.C. Dulles Intl by plane?
Phoenix and Washington, D.C. Dulles Intl are 1954.1 mi apart from one another. In terms of flight time, this usually takes a little over 6h 17m.
When did momondo last update prices for flights from Phoenix to Washington, D.C. Dulles Intl Airport?
Prices for flights from Phoenix to Washington, D.C. Dulles Intl Airport are updated daily.
How many operators does momondo search for flights from Phoenix to Washington, D.C. Dulles Intl Airport?
There are 4 operators available for flights from Phoenix to Washington, D.C. Dulles Intl Airport as of November 2025.
How old do you have to be to fly from Phoenix to Washington, D.C. Dulles Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix to Washington, D.C. Dulles Intl Airport.
What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?
The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Phoenix to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Phoenix to Washington, D.C. Dulles Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $149	Free Cancellation	Rating 5.8 3,104 reviews	Search Frontier flights
Southwest	PriceFrom $236	Free Cancellation	Rating 8.0 4,249 reviews	Search Southwest flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,028 reviews	Search United Airlines flights
Delta	PriceFrom $276	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights

Alexandria

National Harbor

Gettysburg

Arlington

Winchester

Woodbridge

Waldorf

Tysons

Laurel

Colonial Beach

Silver Spring

Fredericksburg

Harpers Ferry

Towson

Rockville

Reston

Manassas

Gaithersburg

Fairfax

Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Phoenix.

Can I find flights from Phoenix to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Phoenix with this policy.

How can momondo help me find flights from Phoenix to Washington, D.C.?

Once all potential Phoenix to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Phoenix to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Phoenix to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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Washington, D.C. Dulles Intl Airport flight routes

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Cheap flights from Phoenix to Washington, D.C. from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Washington, D.C. departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from Phoenix to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets

Delta flights from Phoenix to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Phoenix to Washington, D.C. Dulles Intl Airport flight tickets

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Phoenix to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

What is the cheapest Phoenix to Washington, D.C. Dulles Intl flight route?

Fly from Phoenix Sky Harbor Intl to Washington, D.C. Dulles Intl for the best Phoenix - Washington, D.C. Dulles Intl flight prices

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

What cabin class options are available on Phoenix to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Phoenix to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from Phoenix to Washington, D.C. Dulles Intl?

Delta and United Airlines are the most popular carriers operating from Phoenix to Washington, D.C. Dulles Intl

What airlines fly to Washington, D.C. Dulles Intl Airport?

How often are flights from Phoenix to Washington, D.C. delayed?

Historically, on average around 10% of flights between Phoenix and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 130 minutes.

What is the most punctual flight time for Phoenix to Washington, D.C. flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Phoenix to Washington, D.C. flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with no flights being classified as delayed.

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

As of November 2025, 7 flights take off from Phoenix and land in Washington, D.C. Dulles Intl Airport each day. The most common flight departure time for this route is 9:00AM, with 67% of daily flights taking off at noon.

How many flights depart from Phoenix to Washington, D.C. Dulles Intl Airport on average per week?

As of November 2025, there are 55 flights per week flying from Phoenix to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Wed, with 16% of flights taking off on this day.

Cheap Phoenix to Washington, D.C. Dulles Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix to Washington, D.C. Dulles Intl Airport

Fastest flight time

Direct flights

How far is Phoenix to Washington, D.C. Dulles Intl by plane?

When did momondo last update prices for flights from Phoenix to Washington, D.C. Dulles Intl Airport?

How many operators does momondo search for flights from Phoenix to Washington, D.C. Dulles Intl Airport?

How old do you have to be to fly from Phoenix to Washington, D.C. Dulles Intl Airport?

What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Phoenix to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Phoenix to Washington, D.C. Dulles Intl Airport with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Washington, D.C.?

Can I find flights from Phoenix to Washington, D.C. with flexible booking policies on momondo?

How can momondo help me find flights from Phoenix to Washington, D.C.?

I’m not ready to book a flight from Phoenix to Washington, D.C. right now. Can momondo alert me if prices change?

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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