Phoenix to Washington flights
The cheapest round trip we found from Phoenix to Washington is $275 (Nov 16 – 19, 1 stop).
PHX to WAS · Round trip · Economy · Prices per person in USD · Price found (1 day ago)
Cheapest found
Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $275 |
| December 2026 | $255 (cheapest month) |
Cheapest dates in the next 4 months
Round trip, per person-
Nov 16 – 19 3 nights · leave Mon$275$275 Book
Frontier Airlines 1 stop · 5h 05m -
Nov 15 – 19 4 nights · leave Sun$407$407 Book
Frontier Airlines 1 stop · 5h 18m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
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Plan the rest of your trip
Washington · Nov 16 – 19Partner links: we may earn a commission if you book, at no extra cost to you.
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Phoenix to Washington: questions
How much does a flight from Phoenix to Washington cost?
The cheapest round trip we have found right now is $275, leaving November 16 and returning November 19. Prices are per person, economy, in USD.
Which airports do Phoenix to Washington flights use?
Phoenix airports include Phoenix Sky Harbor International (PHX), Phoenix-Mesa Gateway (AZA) and Scottsdale (SCF). Washington airports include Washington Dulles International (IAD) and Ronald Reagan National (DCA). The prices on this page cover every airport in both cities (PHX and WAS are the city codes).
About this route
We track round-trip economy fares from Phoenix (United States) to Washington (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $275, departing November 16 and returning November 19. The cheapest month to fly in our data is December, from $255. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.