HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Arizona

$80+ Cheap flights from Dulles Intl (IAD) to Arizona

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Arizona with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Arizona

Keep the following information in mind while searching for Dulles Intl to Arizona flight deals. Data was last updated julio 29, 2025.

Round-trip from

$148
(Frontier)

One-way from

$80
(Cheapflightsfares)

Popular in

April

Cheapest in

January

Average price

$368

Good round-trip deal

$270 or less

Good one-way deal

$156 or less
From Washington, D.C. Dulles Intl to Arizona
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Arizona
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Arizona.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Arizona.
Search Deals

Find flight deals from Dulles Intl to Arizona

Cheapest flights from Dulles Intl to Arizona
Explore the most affordable flight options available from Dulles Intl to Arizona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Frontier deal was found by Cheapflights users on 7/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/187:30 amIAD - LAS
Nonstop4h 59mFrontier
jue. 8/2110:56 pmLAS - IAD
Nonstop4h 34mFrontier
Deal found 7/27$148
This United Airlines deal was found by Cheapflights users on 7/27. 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.
mié. 11/199:00 amIAD - LAS
Nonstop5h 25mUnited Airlines
mié. 11/191:20 pmLAS - IAD
Nonstop4h 30mUnited Airlines
Deal found 7/27$176
This Hawaiian Airlines deal was found by Cheapflights users on 7/29. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/105:40 pmIAD - LAS
1 stop8h 53mHawaiian Airlines
vie. 11/147:25 amLAS - IAD
1 stop6h 48mHawaiian Airlines
Deal found 7/29$200
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/155:52 pmIAD - LAS
1 stop8h 34mAlaska Airlines
vie. 9/197:47 pmLAS - IAD
1 stop18h 05mAlaska Airlines
Deal found 7/28$201
This CheapOair deal was found by Cheapflights users on 7/27. 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.
jue. 8/288:00 amIAD - LAS
Nonstop4h 59mMultiple Airlines
mié. 9/311:55 amLAS - IAD
1 stop19h 42mMultiple Airlines
Deal found 7/27$222
This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/297:30 amIAD - PHX
1 stop13h 57mFrontier
sáb. 8/97:17 pmPHX - IAD
1 stop8h 17mFrontier
Deal found 7/29$238
This Mytrip deal was found by Cheapflights users on 7/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/156:10 amIAD - PHX
1 stop8h 21mMultiple Airlines
jue. 9/186:02 pmPHX - IAD
1 stop15h 21mMultiple Airlines
Deal found 7/28$277
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/105:52 pmIAD - PHX
1 stop7h 34mHawaiian Airlines
sáb. 9/206:00 amPHX - IAD
1 stop7h 52mHawaiian Airlines
Deal found 7/28$282
This FlightHub deal was found by Cheapflights users on 7/29. 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.
dom. 8/177:30 amIAD - TUS
1 stop7h 20mFrontier
dom. 8/3112:44 pmTUS - IAD
1 stop14h 46mFrontier
Deal found 7/29$285
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/274:55 pmIAD - PHX
Nonstop4h 45mSouthwest
sáb. 8/308:55 amPHX - IAD
Nonstop4h 25mSouthwest
Deal found 7/29$287
This Sun Country Air deal was found by Cheapflights users on 7/27. 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.
dom. 10/512:46 pmIAD - PHX
1 stop13h 01mSun Country Air
jue. 10/1611:59 pmPHX - IAD
1 stop9h 27mSun Country Air
Deal found 7/27$295
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/295:52 pmIAD - PHX
1 stop7h 34mAlaska Airlines
lun. 9/14:30 pmPHX - IAD
1 stop21h 22mAlaska Airlines
Deal found 7/29$306

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Arizona 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 2,558,603 searches. Data last updated julio 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Arizona that are best for you.

Fly from

Dulles Intl

Fly to

Arizona

Route

Depart

Return

Price

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

lun. 8/18

7:30 am-9:29 am

Nonstop4h 59m

Las Vegas Harry Reid Intl

jue. 8/21

10:56 pm-6:30 am

Nonstop4h 34m

$148

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

mié. 11/19

9:00 am-11:25 am

Nonstop5h 25m

Las Vegas Harry Reid Intl

mié. 11/19

1:20 pm-8:50 pm

Nonstop4h 30m

$176

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

lun. 11/10

5:40 pm-11:33 pm

1 stop8h 53m

Las Vegas Harry Reid Intl

vie. 11/14

7:25 am-5:13 pm

1 stop6h 48m

$200

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

lun. 9/15

5:52 pm-11:26 pm

1 stop8h 34m

Las Vegas Harry Reid Intl

vie. 9/19

7:47 pm-4:52 pm

1 stop18h 05m

$201

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

jue. 8/28

8:00 am-9:59 am

Nonstop4h 59m

Las Vegas Harry Reid Intl

mié. 9/3

11:55 am-10:37 am

1 stop19h 42m

$222

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

sáb. 10/11

7:00 am-2:50 pm

1 stop10h 50m

Phoenix Sky Harbor Intl

sáb. 10/18

6:00 am-4:13 pm

1 stop7h 13m

$238

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

vie. 8/15

6:10 am-11:31 am

1 stop8h 21m

Phoenix Sky Harbor Intl

sáb. 8/23

6:20 pm-11:07 am

1 stop13h 47m

$277

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

mié. 9/10

5:52 pm-10:26 pm

1 stop7h 34m

Phoenix Sky Harbor Intl

sáb. 9/20

6:00 am-4:52 pm

1 stop7h 52m

$282

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

dom. 8/17

7:30 am-11:50 am

1 stop7h 20m

Tucson

dom. 8/31

12:44 pm-6:30 am

1 stop14h 46m

$285

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

mié. 8/27

4:55 pm-6:40 pm

Nonstop4h 45m

Phoenix Sky Harbor Intl

sáb. 8/30

8:55 am-4:20 pm

Nonstop4h 25m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from Dulles Intl to Arizona

Have a flexible travel schedule? Discover the best time to fly to Arizona from Dulles 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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Arizona

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Arizona?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Arizona (average of $258). Flying from Washington, D.C. Dulles Intl Airport to Arizona in March is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from IAD to AZ?

Find hourly flight availability from Dulles Intl to Arizona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Arizona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Arizona

Explore weekly flight availability from Dulles Intl to Arizona. 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 julio 29, 2025.

The most flights from IAD to USAZ are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Arizona

Get insights into the airlines that provide service to Arizona. 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 Arizona. Reviews last updated julio 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Washington, D.C. Dulles Intl Airport to Arizona by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Arizona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Arizona one-way?

    $80 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Hawaiian Airlines, with prices starting from $91 and $95, respectively.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Arizona?

    The most popular route from Washington, D.C. Dulles Intl Airport to Arizona is Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl. You may also consider Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl or Washington, D.C. Dulles Intl - Tucson.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Arizona on time: Avianca (80%), United Airlines (76%), Southwest (76%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Arizona?

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Arizona is $109. On average you can expect to pay $618. The most popular route, (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl), can usually be booked for $146.

  • Can I find deals for flights from Dulles Intl to Arizona that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Arizona flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Arizona?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Arizona.

  • Can I find deals for business class flights from Dulles Intl to Arizona?

    Yes. Cheapflights offers flight deals from Dulles Intl to Arizona by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Arizona?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Arizona (average of $258). Flying from Washington, D.C. Dulles Intl Airport to Arizona in March is currently the most expensive (average of $337). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Arizona

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Fort Lauderdale flights
Dulles Intl to Las Vegas flights
Reagan-National to O'Hare Intl flights
Baltimore to Las Vegas flights
Reagan-National to Seattle flights
Dulles Intl to O'Hare Intl flights
Baltimore to Dallas/Fort Worth flights
Dulles Intl to Miami flights
Baltimore to O'Hare Intl flights
Baltimore to Boston flights
Reagan-National to Boston flights
Dulles Intl to Dallas/Fort Worth flights
Reagan-National to Los Angeles flights
Baltimore to Seattle flights
Reagan-National to Miami flights
Dulles Intl to Boston flights
Dulles Intl to San Francisco flights
Reagan-National to Las Vegas flights
Reagan-National to San Francisco flights
Baltimore to Miami flights
Reagan-National to Orlando flights
Dulles Intl to Seattle flights
Dulles Intl to Atlanta flights
Dulles Intl to Los Angeles flights
Baltimore to Denver flights
Baltimore to Orlando flights
Dulles Intl to Fort Lauderdale flights
Dulles Intl to Orlando flights
Dulles Intl to Midway flights
Baltimore to Los Angeles flights
Baltimore to Atlanta flights
Dulles Intl to Tampa flights
Reagan-National to Fort Lauderdale flights
Reagan-National to Atlanta flights
Baltimore to Hobby flights
Reagan-National to Hobby flights
Baltimore to San Francisco flights
Reagan-National to Dallas/Fort Worth flights
Reagan-National to Denver flights
Dulles Intl to Denver flights
Dulles Intl to Minneapolis flights
Dulles Intl to Honolulu flights
Baltimore to Minneapolis flights
Dulles Intl to Hobby flights
Dulles Intl to Sky Harbor Intl flights
Baltimore to Midway flights
Dulles Intl to New Orleans flights
Dulles Intl to Austin flights
Reagan-National to Tampa flights
Dulles Intl to Detroit flights

Top 6 airlines flying from Dulles Intl to Arizona

Discover the top 6 airlines that operate flights from Dulles Intl to Arizona. 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 2,558,603 searches. Data last updated julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$248FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$241Average$310FlexibilityNo cancel feeOn-time83%
DeltaCheapest$256Average$376FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$269Average$434FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$270Average$476FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$312Average$533FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.