Cheap flights from Phoenix Sky Harbor Intl Airport to District of Columbia from $126

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 Sky Harbor Intl Airport to District of Columbia departing on 4/26. 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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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to District of Columbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:54 pm - 9:59 pm
PHX
-
DCA
6h 05m
1 stop
Frontier Logo
7:00 am - 11:47 pm
DCA
-
PHX
19h 47m
1 stop
$245Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
6:50 am - 11:56 pm
PHX
-
IAD
14h 06m
2 stops
Frontier Logo
6:20 am - 7:38 am
IAD
-
PHX
28h 18m
1 stop
$245Frontier
Tue, Mar 17 - Wed, Mar 25
Frontier Logo
1:22 pm - 9:59 pm
PHX
-
DCA
6h 37m
1 stop
Frontier Logo
2:00 pm - 11:59 pm
DCA
-
PHX
11h 59m
1 stop
$246Frontier
Fri, Feb 20 - Wed, Feb 25
Frontier Logo
8:35 am - 12:36 am
PHX
-
IAD
13h 01m
1 stop
Frontier Logo
9:51 am - 5:43 pm
IAD
-
PHX
34h 52m
2 stops
$246Frontier
Thu, Apr 9 - Mon, Apr 20
Alaska Airlines Logo
11:15 am - 5:41 pm
PHX
-
IAD
27h 26m
1 stop
Alaska Airlines Logo
9:00 am - 4:50 pm
IAD
-
PHX
10h 50m
1 stop
$247Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
Frontier Logo
9:59 pm - 9:59 pm
PHX
-
DCA
22h 00m
2 stops
Frontier Logo
6:00 pm - 11:51 pm
DCA
-
PHX
8h 51m
1 stop
$247Frontier
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
6:57 pm - 1:15 pm
PHX
-
DCA
16h 18m
2 stops
Frontier Logo
6:00 pm - 11:59 pm
DCA
-
PHX
7h 59m
1 stop
$248Frontier
Thu, Feb 19 - Sat, Feb 28
Frontier Logo
8:42 am - 12:31 am
PHX
-
IAD
12h 49m
1 stop
Frontier Logo
6:20 am - 7:37 am
IAD
-
PHX
28h 17m
1 stop
$249Frontier
Thu, Mar 12 - Wed, Mar 18
Multiple Airlines Logo
11:59 pm - 9:25 am
PHX
-
IAD
31h 26m
1 stop
Multiple Airlines Logo
10:29 am - 11:44 pm
IAD
-
PHX
15h 15m
2 stops
$250Multiple Airlines
Tue, Feb 24 - Sat, Feb 28
Alaska Airlines Logo
8:20 am - 5:27 pm
PHX
-
IAD
7h 07m
1 stop
Alaska Airlines Logo
6:20 pm - 11:40 am
IAD
-
PHX
19h 20m
1 stop
$257Alaska Airlines
Sat, Feb 28 - Tue, Mar 3

Frontier flights from Phoenix Sky Harbor Intl Airport to District of Columbia

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to District of Columbia flight tickets
Frontier
Mar 17
PHX6:50 amPhoenix Sky Harbor Intl
14h 06m
2 stops
IAD11:56 pmWashington, D.C. Dulles Intl
Mar 25
IAD6:20 amWashington, D.C. Dulles Intl
28h 18m
1 stop
PHX7:38 amPhoenix Sky Harbor Intl
$245
Frontier
Apr 9
PHX8:35 amPhoenix Sky Harbor Intl
13h 01m
1 stop
IAD12:36 amWashington, D.C. Dulles Intl
Apr 20
IAD9:51 amWashington, D.C. Dulles Intl
34h 52m
2 stops
PHX5:43 pmPhoenix Sky Harbor Intl
$246
Frontier
Mar 5
PHX9:59 pmPhoenix Sky Harbor Intl
22h 00m
2 stops
DCA9:59 pmWashington, D.C. Reagan-National
Mar 12
DCA6:00 pmWashington, D.C. Reagan-National
8h 51m
1 stop
PHX11:51 pmPhoenix Sky Harbor Intl
$247

Delta flights from Phoenix Sky Harbor Intl Airport to District of Columbia

Our best Delta deals on Phoenix Sky Harbor Intl Airport to District of Columbia flight tickets
Delta
Mar 24
PHX3:13 pmPhoenix Sky Harbor Intl
6h 14m
1 stop
IAD12:27 amWashington, D.C. Dulles Intl
Mar 31
IAD7:18 amWashington, D.C. Dulles Intl
7h 23m
1 stop
PHX11:41 amPhoenix Sky Harbor Intl
$273
Delta
Mar 24
PHX10:30 pmPhoenix Sky Harbor Intl
7h 40m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
Mar 31
IAD3:35 pmWashington, D.C. Dulles Intl
8h 39m
1 stop
PHX9:14 pmPhoenix Sky Harbor Intl
$293
Delta
May 19
PHX11:46 pmPhoenix Sky Harbor Intl
6h 30m
1 stop
IAD9:16 amWashington, D.C. Dulles Intl
May 27
IAD5:16 pmWashington, D.C. Dulles Intl
6h 51m
1 stop
PHX9:07 pmPhoenix Sky Harbor Intl
$296

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix Sky Harbor Intl Airport to District of Columbia 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, momondo users made 832,500 searches. Data last updated February 9, 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 4/16

12:54 pm-9:59 pm

1 stop6h 05m

Washington, D.C. Reagan-National

Sun 4/19

7:00 am-11:47 pm

1 stop19h 47m

$245

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 3/17

6:50 am-11:56 pm

2 stops14h 06m

Washington, D.C. Dulles Intl

Wed 3/25

6:20 am-7:38 am

1 stop28h 18m

$245

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Fri 2/20

1:22 pm-9:59 pm

1 stop6h 37m

Washington, D.C. Reagan-National

Wed 2/25

2:00 pm-11:59 pm

1 stop11h 59m

$246

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 4/9

8:35 am-12:36 am

1 stop13h 01m

Washington, D.C. Dulles Intl

Mon 4/20

9:51 am-5:43 pm

2 stops34h 52m

$246

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 4/21

11:15 am-5:41 pm

1 stop27h 26m

Washington, D.C. Dulles Intl

Tue 4/28

9:00 am-4:50 pm

1 stop10h 50m

$247

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 3/5

9:59 pm-9:59 pm

2 stops22h 00m

Washington, D.C. Reagan-National

Thu 3/12

6:00 pm-11:51 pm

1 stop8h 51m

$247

PhoenixWashington, D.C.

PHX - DCA

PHXDCA

Phoenix Sky Harbor Intl

Thu 2/19

6:57 pm-1:15 pm

2 stops16h 18m

Washington, D.C. Reagan-National

Sat 2/28

6:00 pm-11:59 pm

1 stop7h 59m

$248

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Thu 3/12

8:42 am-12:31 am

1 stop12h 49m

Washington, D.C. Dulles Intl

Wed 3/18

6:20 am-7:37 am

1 stop28h 17m

$249

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Tue 2/24

11:59 pm-9:25 am

1 stop31h 26m

Washington, D.C. Dulles Intl

Sat 2/28

10:29 am-11:44 pm

2 stops15h 15m

$250

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

Sat 2/28

8:20 am-5:27 pm

1 stop7h 07m

Washington, D.C. Dulles Intl

Tue 3/3

6:20 pm-11:40 am

1 stop19h 20m

$257

Flights are sorted by cheapest round-trip flights first.

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See travel insights to District of Columbia from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to District of Columbia

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 District of Columbia?

In general, August is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you don’t want to visit District of Columbia in August, then you should wait until December to fly from Phoenix Sky Harbor Intl Airport, when ticket prices are also cheap, with an average price of $323.

What is the cheapest day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Friday when prices can be found for as low as $470. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Phoenix Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $637.

What is the cheapest time of day to depart on your flight to District of Columbia?

Flying to District of Columbia from Phoenix Sky Harbor Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the evening. Flights to District of Columbia are more costly at noon, with an average ticket price of $661. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Phoenix Sky Harbor Intl to District of Columbia flight route?

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

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around $391 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from Phoenix Sky Harbor Intl Airport for as low as $306 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to District of Columbia flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to District of Columbia flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to District of Columbia.

Cheap Phoenix Sky Harbor Intl Airport to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to District of Columbia

Best Price Found

$221

Fastest flight time

4h 05m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from Phoenix Sky Harbor Intl Airport in the past 72 hours is $221. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to District of Columbia found on momondo in the last 72 hours is $453.
The fastest flight from Phoenix Sky Harbor Intl Airport to District of Columbia takes 4h 05m
Direct flights go from Phoenix Sky Harbor Intl Airport to District of Columbia every day.
There are 2 airports in District of Columbia. From Phoenix Sky Harbor Intl Airport there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).
  • When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to District of Columbia?

    Prices for flights from Phoenix Sky Harbor Intl Airport to District of Columbia refresh daily.

  • How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to District of Columbia?

  • How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to District of Columbia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix Sky Harbor Intl Airport to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Phoenix Sky Harbor Intl Airport to District of Columbia?

Best airlines flying from Phoenix Sky Harbor Intl Airport to District of Columbia

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $115Free CancellationRating
6.3
8,430 reviews
Search Spirit Airlines flights
FrontierPriceFrom $135Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
DeltaPriceFrom $163Free CancellationRating
7.9
8,174 reviews
Search Delta flights
American AirlinesPriceFrom $219Free CancellationRating
7.2
11,258 reviews
Search American Airlines flights
United AirlinesPriceFrom $224Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,282 reviews
Search Southwest flights
JetBluePriceFrom $242Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to District of Columbia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to District of Columbia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Phoenix to District of Columbia with flexible booking policies on momondo?

Flights from Phoenix to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Phoenix to District of Columbia?

Once you have performed a search for Phoenix to District of Columbia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Phoenix to District of Columbia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Phoenix to District of Columbia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to District of Columbia and let you know when they change.

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Wed 3/11
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