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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Phoenix departing on 2/21. 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 Washington, D.C. Dulles Intl Airport to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
11:22 am - 3:27 pm
IAD
-
PHX
30h 05m
1 stop
Frontier Logo
11:59 pm - 9:25 am
PHX
-
IAD
31h 26m
1 stop
$249Frontier
Thu, Feb 19 - Tue, Feb 24
Frontier Logo
6:52 pm - 8:42 am
IAD
-
PHX
39h 50m
2 stops
Frontier Logo
8:42 am - 12:31 am
PHX
-
IAD
12h 49m
1 stop
$250Frontier
Thu, Mar 5 - Thu, Mar 12
Frontier Logo
6:20 am - 12:10 pm
IAD
-
PHX
8h 50m
1 stop
Frontier Logo
8:42 am - 12:31 am
PHX
-
IAD
12h 49m
1 stop
$251Frontier
Wed, Mar 11 - Thu, Mar 19
Frontier Logo
10:29 am - 11:44 pm
IAD
-
PHX
15h 15m
2 stops
Frontier Logo
11:59 pm - 7:20 am
PHX
-
IAD
29h 21m
1 stop
$252Frontier
Sat, Feb 21 - Wed, Feb 25
Multiple Airlines Logo
5:22 pm - 1:44 pm
IAD
-
PHX
22h 22m
2 stops
Multiple Airlines Logo
5:20 am - 9:25 am
PHX
-
IAD
26h 05m
1 stop
$253Multiple Airlines
Mon, Feb 16 - Sun, Feb 22
Frontier Logo
6:20 am - 12:10 pm
IAD
-
PHX
8h 50m
1 stop
Frontier Logo
6:50 am - 12:21 am
PHX
-
IAD
14h 31m
2 stops
$254Frontier
Wed, Mar 18 - Wed, Mar 25
Frontier Logo
6:37 pm - 12:55 am
IAD
-
PHX
8h 18m
1 stop
Frontier Logo
8:04 pm - 10:33 am
PHX
-
IAD
12h 29m
2 stops
$255Frontier
Mon, Feb 16 - Wed, Feb 18
Frontier Logo
6:30 pm - 11:50 am
IAD
-
PHX
20h 20m
1 stop
Frontier Logo
6:55 pm - 12:21 am
PHX
-
IAD
26h 26m
2 stops
$256Frontier
Sun, Mar 8 - Tue, Mar 17
Alaska Airlines Logo
6:20 pm - 11:40 am
IAD
-
PHX
19h 20m
1 stop
Alaska Airlines Logo
12:28 pm - 5:27 pm
PHX
-
IAD
26h 59m
1 stop
$257Alaska Airlines
Wed, Feb 18 - Tue, Feb 24
Multiple Airlines Logo
8:00 am - 4:21 pm
IAD
-
PHX
10h 21m
1 stop
Multiple Airlines Logo
5:05 am - 5:57 pm
PHX
-
IAD
10h 52m
1 stop
$258Multiple Airlines
Tue, Feb 24 - Thu, Feb 26

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Phoenix flight tickets
Delta
Mar 4
IAD6:00 amWashington, D.C. Dulles Intl
8h 29m
1 stop
PHX12:29 pmPhoenix Sky Harbor Intl
Mar 10
PHX11:55 pmPhoenix Sky Harbor Intl
6h 15m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$291
Delta
Feb 21
IAD5:25 pmWashington, D.C. Dulles Intl
8h 17m
1 stop
PHX11:42 pmPhoenix Sky Harbor Intl
Feb 24
PHX1:55 pmPhoenix Sky Harbor Intl
8h 26m
1 stop
IAD12:21 amWashington, D.C. Dulles Intl
$293
Delta
Feb 11
IAD7:15 amWashington, D.C. Dulles Intl
9h 40m
1 stop
PHX2:55 pmPhoenix Sky Harbor Intl
Feb 18
PHX6:00 amPhoenix Sky Harbor Intl
6h 45m
1 stop
IAD2:45 pmWashington, D.C. Dulles Intl
$312

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Phoenix flight tickets
Frontier
Feb 19
IAD11:22 amWashington, D.C. Dulles Intl
30h 05m
1 stop
PHX3:27 pmPhoenix Sky Harbor Intl
Feb 24
PHX11:59 pmPhoenix Sky Harbor Intl
31h 26m
1 stop
IAD9:25 amWashington, D.C. Dulles Intl
$249
Frontier
Mar 5
IAD6:52 pmWashington, D.C. Dulles Intl
39h 50m
2 stops
PHX8:42 amPhoenix Sky Harbor Intl
Mar 12
PHX8:42 amPhoenix Sky Harbor Intl
12h 49m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$250
Frontier
Mar 11
IAD6:20 amWashington, D.C. Dulles Intl
8h 50m
1 stop
PHX12:10 pmPhoenix Sky Harbor Intl
Mar 19
PHX8:42 amPhoenix Sky Harbor Intl
12h 49m
1 stop
IAD12:31 amWashington, D.C. Dulles Intl
$251

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Phoenix 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 January 29, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 2/19

11:22 am-3:27 pm

1 stop30h 05m

Phoenix Sky Harbor Intl

Tue 2/24

11:59 pm-9:25 am

1 stop31h 26m

$249

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 3/5

6:52 pm-8:42 am

2 stops39h 50m

Phoenix Sky Harbor Intl

Thu 3/12

8:42 am-12:31 am

1 stop12h 49m

$250

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 3/11

6:20 am-12:10 pm

1 stop8h 50m

Phoenix Sky Harbor Intl

Thu 3/19

8:42 am-12:31 am

1 stop12h 49m

$251

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 2/21

10:29 am-11:44 pm

2 stops15h 15m

Phoenix Sky Harbor Intl

Wed 2/25

11:59 pm-7:20 am

1 stop29h 21m

$252

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 2/16

5:22 pm-1:44 pm

2 stops22h 22m

Phoenix Sky Harbor Intl

Sun 2/22

5:20 am-9:25 am

1 stop26h 05m

$253

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 3/18

6:20 am-12:10 pm

1 stop8h 50m

Phoenix Sky Harbor Intl

Wed 3/25

6:50 am-12:21 am

2 stops14h 31m

$254

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 2/16

6:37 pm-12:55 am

1 stop8h 18m

Phoenix Sky Harbor Intl

Wed 2/18

8:04 pm-10:33 am

2 stops12h 29m

$255

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 3/8

6:30 pm-11:50 am

1 stop20h 20m

Phoenix Sky Harbor Intl

Tue 3/17

6:55 pm-12:21 am

2 stops26h 26m

$256

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 2/18

6:20 pm-11:40 am

1 stop19h 20m

Phoenix Sky Harbor Intl

Tue 2/24

12:28 pm-5:27 pm

1 stop26h 59m

$257

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 2/24

8:00 am-4:21 pm

1 stop10h 21m

Phoenix Sky Harbor Intl

Thu 2/26

5:05 am-5:57 pm

1 stop10h 52m

$258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Phoenix from

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

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Phoenix?

What is the cheapest month to fly to Phoenix?

If you are unable to visit Phoenix during the month of August, then departing from Washington, D.C. Dulles Intl Airport during the month July is also very affordable. Most momondo users find prices during this month for around $381.

What is the cheapest day to depart on your flight to Phoenix?

On average, the least expensive day to fly to Phoenix from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $419. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $505.

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

The cheapest time of day to fly to Phoenix is in the afternoon when flights can be purchased for as low as $434. In the evening is when there is more demand to fly to Phoenix, so prices are often more expensive at around $526 per ticket.

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

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

How far in advance should I book a flight to Phoenix?

You are more likely to see cheaper flights to Phoenix from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $407 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Washington, D.C. Dulles Intl Airport for as low as $270 on momondo.

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

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

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

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

Fastest flight time

4h 40m

Direct flights

Every day

Airports in Phoenix

3 airports
The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix takes 4h 40m
Direct flights go from Washington, D.C. Dulles Intl Airport to Phoenix every day.
There are 3 airports in Phoenix. From Washington, D.C. Dulles Intl Airport there are direct flights to Phoenix Sky Harbor Intl (PHX).
Search flight deals

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

    Phoenix is 1954.1 mi away from Washington, D.C. Dulles Intl. Typically, this will take 4h 40m by plane in normal conditions.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Phoenix are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Phoenix.

  • What documentation or ID do you need to fly to Phoenix?

    The required travel and health documents for your Phoenix 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 Phoenix. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $157Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
SouthwestPriceFrom $253Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
United AirlinesPriceFrom $272Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,128 reviews
Search Delta flights
American AirlinesPriceFrom $366Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Phoenix flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Phoenix that suits you.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Phoenix flights to just show those with flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Phoenix 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 Washington, D.C. to Phoenix right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Phoenix flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix
Phoenix-Mesa Gateway Airport