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Mesa

$163+ Cheap flights from Dulles Intl (IAD) to Mesa, AZ

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PHX
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Mesa are usually found in November or October, booked 62 days in advance, depart on a Saturday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Mesa

Cheapest flights from Dulles Intl to Mesa
Explore the most affordable flight options available from Dulles Intl to Mesa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 10/68:51 am
IAD
-
PHX
Nonstop4h 51m
United Airlines
Wed 10/142:05 pm
PHX
-
IAD
Nonstop4h 22m
United Airlines
Deal found 7/23$329
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/89:30 am
IAD
-
PHX
1 stop16h 35m
Frontier
Tue 8/119:04 am
PHX
-
IAD
2 stops29h 10m
Frontier
Deal found 7/22$330
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Tue 9/86:00 pm
IAD
-
PHX
Nonstop4h 54m
United Airlines
Thu 9/108:55 am
PHX
-
IAD
Nonstop4h 28m
United Airlines
Deal found 7/23$331
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 8/127:48 am
IAD
-
PHX
1 stop17h 28m
Frontier
Thu 8/206:00 am
PHX
-
IAD
1 stop9h 29m
Frontier
Deal found 7/23$332
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 10/127:24 pm
IAD
-
PHX
1 stop17h 02m
Alaska Airlines
Sat 10/177:38 am
PHX
-
IAD
1 stop7h 12m
Alaska Airlines
Deal found 7/22$333
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Thu 11/196:00 pm
IAD
-
PHX
Nonstop5h 17m
United Airlines
Thu 11/263:05 pm
PHX
-
IAD
Nonstop4h 14m
United Airlines
Deal found 7/23$334
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 10/66:00 pm
IAD
-
PHX
Nonstop4h 54m
United Airlines
Tue 10/1312:15 pm
PHX
-
IAD
1 stop7h 15m
United Airlines
Deal found 7/22$335
This Kiwi.com deal was found by Cheapflights users on 7/23. 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.
Wed 7/297:49 am
IAD
-
PHX
1 stop14h 55m
Frontier
Tue 8/114:39 pm
PHX
-
IAD
2 stops21h 35m
Frontier
Deal found 7/23$336
This United Airlines deal was found by Cheapflights users on 7/20. 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.
Sat 9/125:15 pm
IAD
-
PHX
1 stop7h 22m
United Airlines
Wed 9/1612:15 pm
PHX
-
IAD
1 stop7h 30m
United Airlines
Deal found 7/20$337
This Expedia deal was found by Cheapflights users on 7/21. 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.
Thu 8/131:32 pm
IAD
-
PHX
1 stop24h 03m
Frontier
Sat 8/156:24 am
PHX
-
IAD
1 stop11h 48m
Frontier
Deal found 7/21$338
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Fri 8/216:00 pm
IAD
-
PHX
Nonstop4h 54m
United Airlines
Fri 8/288:55 am
PHX
-
IAD
Nonstop4h 28m
United Airlines
Deal found 7/22$339
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/186:00 pm
IAD
-
PHX
Nonstop4h 54m
United Airlines
Thu 8/206:20 am
PHX
-
IAD
1 stop6h 42m
United Airlines
Deal found 7/22$340

Find flight deals from Dulles Intl to Mesa

Keep the following information in mind while searching for Dulles Intl to Mesa flight deals. Data was last updated July 25, 2026.

Round-trip from

$329
(United Airlines)

One-way from

$163
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$497
From Washington, D.C. Dulles Intl to Mesa
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Mesa
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Mesa 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 July 25, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Mesa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 10/12

7:24 pm-9:26 am

1 stop17h 02m

Phoenix Sky Harbor Intl

Sat 10/17

7:38 am-5:50 pm

1 stop7h 12m

$329

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 8/22

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Sat 8/29

8:55 am-4:23 pm

Nonstop4h 28m

$339

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Wed 9/30

8:51 am-10:42 am

Nonstop4h 51m

Phoenix Sky Harbor Intl

Wed 10/14

2:05 pm-9:27 pm

Nonstop4h 22m

$339

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Sat 9/19

5:46 pm-10:28 am

1 stop19h 42m

Phoenix Sky Harbor Intl

Sat 9/26

2:29 pm-5:40 am

1 stop12h 11m

$341

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 8/20

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Fri 8/28

6:15 am-4:35 pm

1 stop7h 20m

$345

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 1/15

7:30 am-1:58 pm

1 stop8h 28m

Phoenix Sky Harbor Intl

Wed 1/20

12:30 pm-11:02 pm

1 stop8h 32m

$359

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Thu 9/24

7:47 pm-11:31 am

1 stop18h 44m

Phoenix Sky Harbor Intl

Tue 9/29

12:13 pm-5:40 am

2 stops14h 27m

$366
Quickest round-trip

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 10/23

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Thu 10/29

2:05 pm-9:19 pm

Nonstop4h 14m

$399

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Mon 9/14

7:47 pm-11:31 am

1 stop18h 44m

Phoenix Sky Harbor Intl

Mon 9/21

12:13 pm-5:40 am

2 stops14h 27m

$401

Washington, D.C.Phoenix

IAD - PHX

IADPHX

Washington, D.C. Dulles Intl

Fri 8/21

6:00 pm-7:54 pm

Nonstop4h 54m

Phoenix Sky Harbor Intl

Mon 8/24

8:55 am-4:23 pm

Nonstop4h 28m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Dulles Intl to Mesa

Have a flexible travel schedule? Discover the best time to fly to Mesa 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 Mesa

What is the cheapest time of day to fly from IAD to MS9?

Find hourly flight availability from Dulles Intl to Mesa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 25, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Mesa in the afternoon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the evening.

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

Explore weekly flight availability from Dulles Intl to Mesa. 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 July 25, 2026.

The most flights from IAD to MS9 are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Mesa?

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Mesa flights typically cost between $337 and $572 in October.
The cheapest round-trip price found within the last 5 days was $329 on United Airlines (Oct 6-Oct 14).

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Mesa. Price data was last updated on July 18, 2026.

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

Reviews of airlines servicing Mesa

Get insights into the airlines that provide service to Mesa. 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 Mesa. Reviews last updated July 25, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Mesa have to say. 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
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Delta
7.8
Good
8,486 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
United Airlines
7.4
Good
10,034 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
American Airlines
7.1
Good
11,847 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.
Frontier
5.6
Fair
2,770 reviews
Southwest
8.0
Very good
4,233 reviews

Comfort

8.0

Overall

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Sherrie,Jan 2024

LAX - PHX

It was a great flight overall. It took a long time to take off. We spent a long time waiting on the plane before departure.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Mesa. 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 Mesa?

    A quick flight from Washington, D.C. Dulles Intl Airport to Mesa can take about 4h 54m. Alaska Airlines provides one of the quickest options available for as low as $339. The distance between Washington, D.C. Dulles Intl Airport and Mesa is about 1950 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Mesa are Frontier ($74), Alaska Airlines ($108), and Southwest ($113).

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

    Before booking your flight to Mesa from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (94%), Austrian Airlines (82%), Avianca( 82%).

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

    Looking at all options, your cheapest flight can be booked for $198. While the most popular route (Washington, D.C. Dulles Intl - Phoenix Sky Harbor Intl) can be booked for $329 on average, our data indicates $553 when flying from Washington, D.C. Dulles Intl Airport to Mesa.

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

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

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

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

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

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

See more FAQs

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Top 6 airlines flying from Dulles Intl to Mesa

Discover the top 6 airlines that operate flights from Dulles Intl to Mesa. 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 July 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$171Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$243Average$338FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$252Average$326FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$268Average$481FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$287Average$492FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$580FlexibilityNo cancel feeOn-time71%

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