$162 Cheap Flights from Mesa (AZA) to Washington (IAD)

View $162 flight on Wed, Apr 15, 2026Opens in a new window

Popular airlines from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Mesa to Washington (AZA-IAD)

Prices were available within the past 7 days and start at $162 for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun Country Airlines
Wed, Apr 15 - Mon, Apr 20
AZA
Mesa
IAD
Washington
$323 Roundtrip, found 1 hour ago
$323
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Wed, Apr 15 from Mesa to Washington, returning Mon, Apr 20, priced at $323 found 1 hour ago
Sun Country Airlines
Wed, Apr 1 - Thu, Apr 9
AZA
Mesa
IAD
Washington
$453 Roundtrip, found 5 hours ago
$453
Roundtrip
found 5 hours ago
Select Sun Country Airlines flight, departing Wed, Apr 1 from Mesa to Washington, returning Thu, Apr 9, priced at $453 found 5 hours ago

Frequently asked questions

How much does a flight from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD) cost?
Get a cheap one-way flight from $162 or cheap return flight from $323 from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
April is the least expensive month to fly from AZA to IAD. Avoiding peak travel times is often the key to better flight prices.
Which airlines fly direct from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
While Mesa, AZ (AZA-Phoenix - Mesa Gateway) doesn't have any direct flights to Washington Dulles Intl. Airport (IAD), other airports have nonstop routes. Jetting off from Sky Harbor Intl. Airport (PHX) will get you to Washington without any layovers.
What is the cheapest airline that flies from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
To find the cheapest airline that'll fly you from AZA to IAD, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AZA to IAD?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary depending on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Later flights are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from AZA to IAD are generally more expensive. To secure the lowest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to score a cheap ticket right before you leave.
Is it cheaper to book an AZA to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking an AZA to IAD flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Just pick your flights and select from our extensive range of stays, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Phoenix - Mesa Gateway Airport (AZA) to Washington Dulles Intl. Airport (IAD)?
If you booked your AZA to IAD flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Phoenix - Mesa Gateway
Destination airport
Washington Dulles Intl.
Airlines serving
Sun Country Airlines
Roundtrip price
$323
Distance
1937 mi

Book with confidence

Mesa to Washington Flights

The cheapest times to fly from Mesa to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Mesa to Washington are during the month of April. You can find some of the cheapest flights from Mesa to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Mesa to Washington

Sunday is one of the best days to book for cheap flights from Mesa to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Mesa to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Mesa to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $162 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Mesa to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Mesa to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Mesa to Washington Flights

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*Available to One Key members.