Cheap flights from Washington to Phoenix

One-way fares from $124 · WAS → PHX · prices found by travellers in the last 48 hours

Compare all dates Phoenix → Washington
Cheapest fare
$124

Frontier Airlines · Fri, Jan 8

Cheapest month
January

from $124

Direct flights
Not recently

Usually 1+ stop

Quickest trip
6h 23m

3,180 km

Get a price alert

We'll email you when Washington → Phoenix drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $124. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Washington to Phoenix

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $171
  2. January 2027 Cheapest $124

Cheapest dates in January 2027

The lowest fares we've seen for each day, cheapest first.

Frontier Airlines
Depart22:37 Fri, Jan 8IAD → PHX 9h 00m · 3 stops
$124one way, per person
View deal
See every date in January 2027 →

Plan the rest of your trip to Phoenix

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in PhoenixCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in PhoenixTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in PhoenixPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in PhoenixCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Washington to Phoenix

Washington (WAS) and Phoenix (PHX) are about 3,180 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 6h 23m. Over the next few months, one-way fares start from $124, and January 2027 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Washington to Phoenix?

The cheapest one-way fare we've seen recently is $124 with Frontier Airlines, departing Friday, January 8, 2027. Over the coming months, the lowest fare in each month ranges from $124 to $171.

What is the cheapest month to fly from Washington to Phoenix?

January 2027 currently has the lowest fares, from $124 one way.

Are there direct flights from Washington to Phoenix?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Washington to Phoenix?

The quickest journey we've seen takes about 6h 23m. Washington and Phoenix are around 3,180 km apart.

Which airlines fly from Washington to Phoenix?

Recent fares on this route were with Frontier Airlines.

More cheap flights from Washington

Compare flights to Phoenix from other cities →