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$110+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap 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 January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/910:50 am
IAD
-
PHX
1 stop14h 19m
Frontier
Sat 2/145:40 pm
PHX
-
IAD
1 stop22h 45m
Frontier
Deal found 1/25$247
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:09 am
IAD
-
PHX
1 stop18h 35m
Frontier
Tue 3/106:45 pm
PHX
-
IAD
2 stops26h 46m
Frontier
Deal found 1/24$249
This Frontier deal was found by Cheapflights users on 1/25. 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.
Fri 2/2011:29 am
IAD
-
LAS
1 stop14h 21m
Frontier
Fri 2/276:08 am
LAS
-
IAD
1 stop7h 16m
Frontier
Deal found 1/25$250
This Frontier deal was found by Cheapflights users on 1/24. 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.
Fri 2/2010:23 am
IAD
-
PHX
1 stop12h 29m
Frontier
Fri 2/276:00 am
PHX
-
IAD
1 stop8h 24m
Frontier
Deal found 1/24$250
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:20 am
IAD
-
LAS
2 stops20h 47m
Frontier
Mon 3/3011:59 pm
LAS
-
IAD
1 stop31h 12m
Frontier
Deal found 1/24$251
This eDestinos deal was found by Cheapflights users on 1/24. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:09 am
IAD
-
LAS
1 stop30h 32m
Frontier
Fri 3/131:00 pm
LAS
-
IAD
1 stop8h 31m
Frontier
Deal found 1/24$252
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/177:00 am
IAD
-
PHX
2 stops12h 08m
Frontier
Wed 3/181:17 pm
PHX
-
IAD
1 stop8h 04m
Frontier
Deal found 1/24$252
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:50 am
IAD
-
LAS
1 stop26h 13m
Multiple Airlines
Sat 2/710:23 am
LAS
-
IAD
2 stops19h 10m
Multiple Airlines
Deal found 1/24$253
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:09 am
IAD
-
PHX
1 stop18h 35m
Frontier
Wed 3/111:17 pm
PHX
-
IAD
1 stop8h 14m
Frontier
Deal found 1/24$253
This Cheapflightsfares deal was found by Cheapflights users on 1/24. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/210:50 am
IAD
-
LAS
1 stop10h 05m
Frontier
Fri 2/611:36 pm
LAS
-
IAD
1 stop8h 08m
Frontier
Deal found 1/24$255
This Frontier deal was found by Cheapflights users on 1/25. 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.
Sun 2/15:37 pm
IAD
-
LAS
1 stop8h 20m
Frontier
Sat 2/711:59 pm
LAS
-
IAD
1 stop13h 34m
Frontier
Deal found 1/25$256
This Frontier deal was found by Cheapflights users on 1/25. 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.
Mon 2/210:50 am
IAD
-
PHX
1 stop14h 19m
Frontier
Fri 2/66:00 am
PHX
-
IAD
1 stop8h 33m
Frontier
Deal found 1/25$256

Find 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 January 26, 2026.

Round-trip from

$247
(Kiwi.com)

One-way from

$110
(Cheapflightsfares)

Popular in

December

Cheapest in

August

Average price

$366

Good round-trip deal

$417 or less

Good one-way deal

$199 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. 2% potential increase in price ($9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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

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 January 26, 2026.
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.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 3/7

6:20 pm-10:40 am

1 stop18h 20m

Phoenix Sky Harbor Intl

Tue 3/10

3:27 pm-5:27 pm

1 stop23h 00m

$281

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Wed 2/25

7:05 am-11:55 pm

1 stop19h 50m

Las Vegas Harry Reid Intl

Wed 3/4

6:00 am-5:27 pm

1 stop8h 27m

$310

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

Wed 2/25

8:20 am-5:27 pm

1 stop7h 07m

$322

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sun 3/8

6:20 pm-6:18 pm

1 stop26h 58m

Las Vegas Harry Reid Intl

Wed 3/11

6:00 am-5:27 pm

1 stop8h 27m

$329

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 2/19

3:42 pm-11:01 pm

1 stop9h 19m

Tucson

Wed 2/25

7:00 am-2:45 pm

1 stop5h 45m

$330

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sun 2/22

6:20 pm-11:40 am

1 stop19h 20m

Phoenix Sky Harbor Intl

Sat 2/28

8:20 am-5:27 pm

1 stop7h 07m

$334

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Sat 2/21

6:20 pm-5:18 pm

2 stops25h 58m

Las Vegas Harry Reid Intl

Wed 2/25

6:00 am-5:27 pm

1 stop8h 27m

$335

Washington, D.C.Las Vegas

IAD - LAS

IADLAS

Washington, D.C. Dulles Intl

Fri 3/6

6:20 pm-10:28 pm

1 stop31h 08m

Las Vegas Harry Reid Intl

Wed 3/11

6:00 am-5:27 pm

1 stop8h 27m

$339

Washington, D.C.Tucson

IAD - TUS

IADTUS

Washington, D.C. Dulles Intl

Thu 2/26

12:24 pm-11:01 pm

2 stops12h 37m

Tucson

Tue 3/3

5:35 pm-9:13 am

2 stops13h 38m

$341

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 2/21

5:05 am-12:45 pm

2 stops9h 40m

Phoenix Sky Harbor Intl

Sat 2/28

11:55 am-9:45 pm

2 stops7h 50m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 60 results
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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, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Arizona (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Arizona in April is currently the most expensive (average of $287). 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 January 26, 2026.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Arizona is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

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 January 26, 2026.

The most flights from IAD to USAZ are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 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 January 26, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines 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.
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,111 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,199 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,189 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,058 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Arizona?

    Departing from Washington, D.C. Dulles Intl Airport to Arizona will take you 9h 19m. The distance between Washington, D.C. Dulles Intl Airport and Arizona is about 1928 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    $89 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $103 and $134, 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: United Airlines (89%), Avianca (85%), Brussels Airlines (85%).

  • 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 $126. On average you can expect to pay $946. The most popular route, (Washington, D.C. Dulles Intl - Las Vegas Harry Reid Intl), can usually be booked for $179.

  • 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, July is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Arizona (average of $158). Flying from Washington, D.C. Dulles Intl Airport to Arizona in April is currently the most expensive (average of $287). 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

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Alternative routes for Dulles Intl to Arizona

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

Top 5 airlines flying from Dulles Intl to Arizona

Discover the top 5 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$157Average$261FlexibilityNo cancel feeOn-time62%
DeltaCheapest$226Average$363FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$253Average$412FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$272Average$457FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$312Average$527FlexibilityNo cancel feeOn-time71%

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