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Cheap flights from Washington, D.C. Dulles Intl Airport to Phoenix from $114

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 10/2. 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

Frontier Logo
6:10 am - 10:00 pmIAD-PHX
18h 50m2 stops
Frontier Logo
9:30 am - 11:55 pmPHX-IAD
11h 25m2 stops
$221Frontier
Find Deal
Fri, Sep 5 - Sat, Sep 13
Frontier Logo
6:10 am - 7:10 pmIAD-PHX
16h 00m2 stops
Frontier Logo
6:30 am - 12:15 amPHX-IAD
14h 45m2 stops
$222Frontier
Find Deal
Thu, Sep 18 - Thu, Sep 25
Frontier Logo
6:10 am - 11:32 amIAD-PHX
8h 22m1 stop
Frontier Logo
7:40 am - 12:15 amPHX-IAD
13h 35m2 stops
$225Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 14
Frontier Logo
6:10 am - 2:55 pmIAD-PHX
11h 45m1 stop
Frontier Logo
8:00 am - 9:17 amPHX-IAD
22h 17m2 stops
$226Frontier
Find Deal
Mon, Aug 25 - Wed, Sep 10
Logo
5:42 pm - 10:39 pmIAD-PHX
7h 57m1 stop
Logo
6:00 am - 3:39 pmPHX-IAD
6h 39m1 stop
$231
Find Deal
Tue, Oct 14 - Thu, Oct 23
Logo
5:52 pm - 10:26 pmIAD-PHX
7h 34m1 stop
Logo
12:37 pm - 12:15 amPHX-IAD
8h 38m1 stop
$234
Find Deal
Wed, Sep 24 - Fri, Sep 26
Sun Country Air Logo
12:50 pm - 11:45 pmIAD-PHX
12h 55m1 stop
Sun Country Air Logo
6:20 pm - 10:59 amPHX-IAD
14h 39m1 stop
$270Sun Country Air
Find Deal
Sun, Nov 9 - Thu, Nov 13
Sun Country Air Logo
6:30 pm - 4:17 pmIAD-PHX
24h 47m1 stop
Sun Country Air Logo
5:53 pm - 11:38 amPHX-IAD
14h 45m1 stop
$275Sun Country Air
Find Deal
Fri, Oct 3 - Sat, Oct 11
Hawaiian Airlines Logo
5:52 pm - 10:26 pmIAD-PHX
7h 34m1 stop
Hawaiian Airlines Logo
6:00 am - 4:52 pmPHX-IAD
7h 52m1 stop
$278Hawaiian Airlines
Find Deal
Wed, Sep 10 - Sat, Sep 20
Alaska Airlines Logo
5:52 pm - 10:26 pmIAD-PHX
7h 34m1 stop
Alaska Airlines Logo
6:00 am - 4:52 pmPHX-IAD
7h 52m1 stop
$279Alaska Airlines
Find Deal
Tue, Sep 16 - Tue, Sep 23

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
Frontier
Sep 5
IAD6:10 amWashington, D.C. Dulles Intl
18h 50m
2 stops
PHX10:00 pmPhoenix Sky Harbor Intl
Sep 13
PHX9:30 amPhoenix Sky Harbor Intl
11h 25m
2 stops
IAD11:55 pmWashington, D.C. Dulles Intl
$221
Find similar
Frontier
Sep 18
IAD6:10 amWashington, D.C. Dulles Intl
16h 00m
2 stops
PHX7:10 pmPhoenix Sky Harbor Intl
Sep 25
PHX6:30 amPhoenix Sky Harbor Intl
14h 45m
2 stops
IAD12:15 amWashington, D.C. Dulles Intl
$222
Find similar
Frontier
Sep 5
IAD6:10 amWashington, D.C. Dulles Intl
8h 22m
1 stop
PHX11:32 amPhoenix Sky Harbor Intl
Sep 14
PHX7:40 amPhoenix Sky Harbor Intl
13h 35m
2 stops
IAD12:15 amWashington, D.C. Dulles Intl
$225
Find similar

Southwest flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Aug 31
IAD6:05 pmWashington, D.C. Dulles Intl
4h 50m
PHX7:55 pmPhoenix Sky Harbor Intl
Sep 9
PHX10:00 amPhoenix Sky Harbor Intl
4h 15m
IAD5:15 pmWashington, D.C. Dulles Intl
$287
Find similar
Southwest
Aug 31
IAD6:05 pmWashington, D.C. Dulles Intl
4h 50m
PHX7:55 pmPhoenix Sky Harbor Intl
Sep 9
PHX12:45 pmPhoenix Sky Harbor Intl
6h 20m
1 stop
IAD10:05 pmWashington, D.C. Dulles Intl
$322
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport 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 August 20, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport 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

Fri 9/5

6:10 am-10:00 pm

2 stops18h 50m

Phoenix Sky Harbor Intl

Sat 9/13

9:30 am-11:55 pm

2 stops11h 25m

$221

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 9/18

6:10 am-7:10 pm

2 stops16h 00m

Phoenix Sky Harbor Intl

Thu 9/25

6:30 am-12:15 am

2 stops14h 45m

$222

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 9/5

6:10 am-11:32 am

1 stop8h 22m

Phoenix Sky Harbor Intl

Sun 9/14

7:40 am-12:15 am

2 stops13h 35m

$225

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 8/25

6:10 am-2:55 pm

1 stop11h 45m

Phoenix Sky Harbor Intl

Wed 9/10

8:00 am-9:17 am

2 stops22h 17m

$226

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 10/14

5:42 pm-10:39 pm

1 stop7h 57m

Phoenix Sky Harbor Intl

Thu 10/23

6:00 am-3:39 pm

1 stop6h 39m

$231

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 9/24

5:52 pm-10:26 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

Fri 9/26

12:37 pm-12:15 am

1 stop8h 38m

$234

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 11/9

12:50 pm-11:45 pm

1 stop12h 55m

Phoenix Sky Harbor Intl

Thu 11/13

6:20 pm-10:59 am

1 stop14h 39m

$270

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 10/3

6:30 pm-4:17 pm

1 stop24h 47m

Phoenix Sky Harbor Intl

Sat 10/11

5:53 pm-11:38 am

1 stop14h 45m

$275

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 9/10

5:52 pm-10:26 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

Sat 9/20

6:00 am-4:52 pm

1 stop7h 52m

$278

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Tue 9/16

5:52 pm-10:26 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

Tue 9/23

6:00 am-4:52 pm

1 stop7h 52m

$279

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

What is the cheapest month to fly to Phoenix Sky Harbor Intl Airport?

In general, August is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $329. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of August, then departing from Washington, D.C. Dulles Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $378.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $412. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $504. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $380. Flying to Phoenix Sky Harbor Intl Airport at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around $588. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport for around $404 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport for as low as $355 on momondo.

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

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Phoenix Sky Harbor Intl 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 Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights?

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight.

How have Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of August 2025, prices for Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport (IAD to PHX) 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 Sky Harbor Intl Airport

Best Price Found

$164

Fastest flight time

4h 40m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport in the past 72 hours is $164. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $297.
The fastest flight from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport takes 4h 40m
Direct flights go from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    The distance between Washington, D.C. Dulles Intl and Phoenix Sky Harbor Intl is about 1950.3 mi. Typically, this will take 7h 34m by plane in normal conditions.

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

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

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

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

    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 Sky Harbor Intl Airport.

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents required for your trip to Phoenix Sky Harbor Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Phoenix Sky Harbor Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport?

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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $148Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
DeltaPriceFrom $256Free CancellationRating
7.9
7,982 reviews
Search Delta flights
Sun Country AirPriceFrom $265Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
SouthwestPriceFrom $269Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $269Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
American AirlinesPriceFrom $376Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

    Southwest flies from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport around 5 times per week, with 4,246 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport in the last 72 hours was $269 (round-trip), much lower than the average airfare cost of $380 for Southwest flights on this route.

  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport

    United Airlines is also a popular choice for this route. United Airlines flight deals for Washington, D.C. Dulles Intl Airport to Phoenix Sky Harbor Intl Airport start from as low as $269 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $418. United Airlines operates 7 flights to Phoenix Sky Harbor Intl Airport from Washington, D.C. Dulles Intl Airport in an average week. Users have rated it 7.4/10 across 8,928 reviews.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Wickenburg
Goodyear
Apache Junction
Payson
Paradise Valley
Avondale
Camp Verde
Fountain Hills
Cave Creek
Litchfield Park

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Phoenix. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to Phoenix on momondo can be filtered to show those which offer 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?

Price alerts on flights to Phoenix from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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