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Dulles Intl

$118+ Cheap flights from Arizona to Dulles Intl (IAD)

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — IAD
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from Arizona to Dulles Intl

Cheapest flights from Arizona to Dulles Intl
Explore the most affordable flight options available from Arizona to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 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.
mié. 2/2511:59 pm
LAS
-
IAD
1 stop13h 44m
Multiple Airlines
vie. 2/272:58 pm
IAD
-
LAS
2 stops22h 33m
Multiple Airlines
Deal found 1/25$217
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/2511:59 pm
LAS
-
IAD
1 stop7h 34m
Frontier
vie. 2/2711:30 am
IAD
-
LAS
1 stop14h 18m
Frontier
Deal found 1/25$219
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.
mar. 3/311:36 pm
LAS
-
IAD
1 stop17h 35m
Frontier
sáb. 4/45:35 am
IAD
-
LAS
2 stops21h 19m
Frontier
Deal found 1/24$221
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
mar. 3/1012:59 am
LAS
-
IAD
2 stops20h 32m
Frontier
lun. 3/168:09 am
IAD
-
LAS
1 stop30h 46m
Frontier
Deal found 1/26$223
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.
jue. 4/212:41 pm
LAS
-
IAD
1 stop8h 55m
Frontier
mar. 4/73:15 pm
IAD
-
LAS
1 stop10h 39m
Frontier
Deal found 1/24$229
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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.
vie. 2/611:36 pm
LAS
-
IAD
1 stop8h 08m
Frontier
lun. 2/910:50 am
IAD
-
LAS
1 stop10h 05m
Frontier
Deal found 1/26$234
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.
vie. 4/1011:59 pm
LAS
-
IAD
1 stop9h 52m
Frontier
mar. 4/146:20 am
IAD
-
LAS
1 stop10h 23m
Frontier
Deal found 1/24$235
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
mié. 3/116:00 am
LAS
-
IAD
2 stops39h 31m
Frontier
mié. 3/186:20 am
IAD
-
LAS
1 stop19h 28m
Frontier
Deal found 1/26$236
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.
mié. 2/1111:59 pm
PHX
-
IAD
1 stop29h 21m
Frontier
dom. 3/15:39 pm
IAD
-
PHX
1 stop23h 48m
Frontier
Deal found 1/25$238
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.
jue. 3/51:22 pm
PHX
-
IAD
2 stops16h 02m
Frontier
mié. 3/186:20 am
IAD
-
PHX
1 stop8h 50m
Frontier
Deal found 1/24$239
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
mié. 3/1111:46 am
LAS
-
IAD
1 stop26h 16m
Multiple Airlines
lun. 3/168:09 am
IAD
-
LAS
1 stop30h 46m
Multiple Airlines
Deal found 1/26$240
This Expedia deal was found by Cheapflights users on 1/26. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 2/711:59 pm
LAS
-
IAD
1 stop13h 34m
Frontier
lun. 2/95:33 pm
IAD
-
LAS
1 stop8h 24m
Frontier
Deal found 1/26$241

Find flight deals from Arizona to Dulles Intl

Keep the following information in mind while searching for Arizona to Dulles Intl flight deals. Data was last updated enero 27, 2026.

Round-trip from

$217
(Kiwi.com)

One-way from

$118
(Super.com)

Popular in

March

Cheapest in

August

Average price

$379

Good round-trip deal

$418 or less

Good one-way deal

$208 or less
From Arizona to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Arizona to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Arizona to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Arizona to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Arizona to Dulles Intl 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 enero 27, 2026.
Use the filters below to find and compare flights from Arizona to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Arizona

Fly to

Dulles Intl

Route

Depart

Return

Price

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar. 2/24

6:00 am-5:27 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

mar. 3/3

6:20 pm-8:14 pm

1 stop28h 54m

$290

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 3/24

11:55 pm-11:52 am

1 stop8h 57m

Washington, D.C. Dulles Intl

mar. 3/31

7:18 am-1:55 pm

1 stop9h 37m

$293

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

mar. 4/28

12:49 pm-12:42 am

1 stop8h 53m

Washington, D.C. Dulles Intl

sáb. 5/2

3:00 pm-9:31 pm

1 stop9h 31m

$297

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

mar. 5/5

5:37 pm-9:15 am

2 stops12h 38m

Washington, D.C. Dulles Intl

sáb. 5/9

3:00 pm-9:47 pm

1 stop9h 47m

$302

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

mar. 4/21

11:15 am-5:41 pm

1 stop27h 26m

Washington, D.C. Dulles Intl

mar. 4/28

9:00 am-10:43 pm

2 stops16h 43m

$305

TucsonWashington, D.C.

TUS - IAD

TUSIAD

Tucson

lun. 3/2

8:07 pm-6:51 am

1 stop8h 44m

Washington, D.C. Dulles Intl

mar. 3/3

3:58 pm-9:31 pm

1 stop7h 33m

$330

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar. 2/24

6:00 am-5:27 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

dom. 3/1

7:05 am-7:05 pm

1 stop15h 00m

$330

PhoenixWashington, D.C.

PHX - IAD

PHXIAD

Phoenix Sky Harbor Intl

sáb. 2/21

11:55 am-9:45 pm

2 stops7h 50m

Washington, D.C. Dulles Intl

sáb. 2/28

4:30 pm-7:50 pm

Nonstop5h 20m

$333

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

mar. 3/10

3:27 pm-5:27 pm

1 stop23h 00m

Washington, D.C. Dulles Intl

sáb. 3/14

6:20 pm-5:18 pm

2 stops25h 58m

$335

Las VegasWashington, D.C.

LAS - IAD

LASIAD

Las Vegas Harry Reid Intl

vie. 2/6

11:36 pm-10:44 am

1 stop8h 08m

Washington, D.C. Dulles Intl

sáb. 2/14

11:37 am-9:48 pm

1 stop13h 11m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 60 results
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Best time to book a flight from Arizona to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Arizona 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 Arizona to Washington, D.C. Dulles Intl Airport

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

Currently, January is the cheapest month in which you can book a flight from Arizona to Washington, D.C. Dulles Intl Airport (average of $150). Flying from Arizona to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $250). 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 AZ to IAD?

Find hourly flight availability from Arizona to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated enero 27, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 39% on flights from Arizona to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the evening.

What is the cheapest day to fly from Arizona to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Arizona to Dulles Intl. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Arizona to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Arizona to Dulles Intl. 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 enero 27, 2026.

The most flights from USAZ to IAD 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 (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Arizona to Dulles Intl. 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 Arizona to Washington, D.C. Dulles Intl Airport?

    For as low as $290, Alaska Airlines can have you in Washington, D.C. Dulles Intl Airport from Arizona in 8h 27m. The distance between Arizona and Washington, D.C. Dulles Intl Airport is about 2059 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. United Airlines flights start at $121 while deals on Alaska Airlines start at $138 one-way.

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

    Most travelers choose Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl, Las Vegas Harry Reid Intl - Washington, D.C. Dulles Intl or Tucson - Washington, D.C. Dulles Intl when deciding on the best route from Arizona to Washington, D.C. Dulles Intl Airport.

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

    No one likes to see their flight delayed. When booking a flight from Arizona to Washington, D.C. Dulles Intl Airport consider choosing Austrian Airlines (98%), Brussels Airlines (98%) or United Airlines (97%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $698 for a flight from Arizona to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $123 while the most popular route, (Phoenix Sky Harbor Intl - Washington, D.C. Dulles Intl) is currently priced at $206.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Arizona to Dulles Intl 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 Arizona to Washington, D.C. Dulles Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Arizona to Washington, D.C. Dulles Intl Airport (average of $150). Flying from Arizona to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $250). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Arizona to Dulles Intl

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

Top 5 airlines flying from Arizona to Dulles Intl

Discover the top 5 airlines that operate flights from Arizona to Dulles Intl. 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 enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$260FlexibilityNo cancel feeOn-time62%
DeltaCheapest$187Average$340FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$217Average$454FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$255Average$439FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$298Average$414FlexibilityNo cancel feeOn-time71%

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