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C$122 Cheap Flights from Phoenix Sky Harbor (PHX) to Washington D.C. (WASA)

Compare Phoenix Sky Harbor to Washington D.C. flight deals

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Flight deals from Phoenix Sky Harbor to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Phoenix Sky Harbor Airport to Washington D.C.? If you want to travel next month, return fares start from C$308. Find the lowest prices on one-way and return tickets right here.
Washington D.C..C$122 per passenger.Departing Wed., Aug. 26.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed., Aug. 26, arriving in Washington Dulles.Price includes taxes and charges.From C$122, select.
Washington D.C..C$151 per passenger.Departing Tue., Sep. 8.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Tue., Sep. 8, arriving in Washington Dulles.Price includes taxes and charges.From C$151, select.
Washington D.C..C$154 per passenger.Departing Thu., Oct. 8.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Thu., Oct. 8, arriving in Washington Dulles.Price includes taxes and charges.From C$154, select.
Washington D.C..C$167 per passenger.Departing Sun., Nov. 1.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Sun., Nov. 1, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$167, select.
Washington D.C..C$206 per passenger.Departing Wed., Dec. 9.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Phoenix Sky Harbor on Wed., Dec. 9, arriving in Baltimore Washington International.Price includes taxes and charges.From C$206, select.
Washington D.C..C$236 per passenger.Departing Sun., Sep. 6.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Sun., Sep. 6, arriving in Washington Dulles.Price includes taxes and charges.From C$236, select.
Washington D.C..C$236 per passenger.Departing Fri., Oct. 30.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Fri., Oct. 30, arriving in Washington Dulles.Price includes taxes and charges.From C$236, select.
Washington D.C..C$240 per passenger.Departing Wed., Dec. 9.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Wed., Dec. 9, arriving in Washington Dulles.Price includes taxes and charges.From C$240, select.
Washington D.C..C$267 per passenger.Departing Mon., Nov. 23.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Phoenix Sky Harbor on Mon., Nov. 23, arriving in Baltimore Washington International.Price includes taxes and charges.From C$267, select.
Washington D.C..C$297 per passenger.Departing Fri., Jan. 1.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Fri., Jan. 1, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$297, select.
Washington D.C..C$305 per passenger.Departing Mon., Aug. 31.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Mon., Aug. 31, arriving in Washington Dulles.Price includes taxes and charges.From C$305, select.
Washington D.C..C$312 per passenger.Departing Sun., Apr. 4.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Sun., Apr. 4, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$312, select.
Washington D.C..C$313 per passenger.Departing Fri., Mar. 26.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Phoenix Sky Harbor on Fri., Mar. 26, arriving in Washington Ronald Reagan.Price includes taxes and charges.From C$313, select.
Washington D.C..C$314 per passenger.Departing Fri., Jan. 1.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Fri., Jan. 1, arriving in Washington Dulles.Price includes taxes and charges.From C$314, select.
Washington D.C..C$328 per passenger.Departing Mon., May 17.One-way flight with Delta.Outbound indirect flight with Delta, departs from Phoenix Sky Harbor on Mon., May 17, arriving in Washington Dulles.Price includes taxes and charges.From C$328, select.
Washington D.C..C$402 per passenger.Departing Wed., May 5.One-way flight with United.Outbound direct flight with United departs from Phoenix Sky Harbor on Wed., May 5, arriving in Washington Dulles.Price includes taxes and charges.From C$402, select.

Find the cheapest month to fly from Phoenix Sky Harbor to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix Sky Harbor to Washington D.C. flights are currently cheapest in August.
Aug.
from C$122
Sep.
from C$151
Oct.
from C$154
Nov.
from C$167
Dec.
from C$206
Jan.
from C$297
Feb.
from C$572
Mar.
from C$313
Apr.
from C$312
May
from C$328
Jun.
Find prices
Jul.
Find prices

Which airlines fly from Phoenix Sky Harbor to Washington D.C.?

Alternative Phoenix Sky Harbor to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Phoenix Sky Harbor to Washington D.C.? You could fly into the following airports instead.

Washington Ronald Reagan

5km from central Washington D.C.
Closest
from C$163
Search flights

Washington Dulles

37km from central Washington D.C.
Cheapest
from C$122
Search flights

Baltimore Washington International

44km from central Washington D.C.
from C$166
Search flights

Phoenix to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$122
Cheapest month to flyAugust
Average flight time4 hrs, 17 mins
Most popular airlineSouthwest Airlines
Average flights per week315

Finding cheap flights from Phoenix Sky Harbor to Washington D.C.: Frequently asked questions

There are 3 airports in Washington D.C.: Washington Ronald Reagan, Washington Dulles and Baltimore Washington International.
The best price we found for a return flight from Phoenix Sky Harbor to Washington D.C. is C$232. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 17 minutes is the average flight time from Phoenix Sky Harbor to Washington D.C..
Southwest Airlines, American Airlines and Lufthansa fly direct from Phoenix Sky Harbor to Washington D.C..
As of August 2026, there are 315 flights per week flying from Phoenix Sky Harbor to Washington D.C..
The cheapest month to fly from Phoenix Sky Harbor to Washington D.C. is usually August.
If you're flying from Phoenix Sky Harbor Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 36.6 km away from the centre of Washington D.C.. We've found flights into this airport from C$232.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phoenix Sky Harbor Airport to Washington D.C. on Monday, August 24, 2026.
Yes – the average flight time is 4 hours and 17 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

In August, the average temperature is usually around 25°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
Currently, Frontier Airlines and United offer the cheapest flight tickets to Washington D.C..

Flying from Phoenix Sky Harbour International Airport (PHX) to Washington DC: what you need to know

  • Expect to be in the air for 5 hours 11 minutes. That's the average time for a direct flight from Phoenix Sky Harbour International Airport to Washington DC.

  • Phoenix Sky Harbour International Airport is located in Phoenix. Operating on the UTC-4 timezone, Washington DC is 3 hours ahead of Phoenix.

  • Phoenix Sky Harbour International Airport (PHX) to Ronald Reagan National Airport (DCA) is the most traveled route, with 29 weekly departures to pick from. If you have things to finalize before heading off, the last flight from PHX to DCA is with American Airlines at 23:52. Choose the first departure operated by American Airlines at 00:48 if you want to get on your way earlier.

  • Give yourself enough time to catch your flight from PHX to Washington DC. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Going away during a peak month like July? High seasons (like summer, Thanksgiving, Christmas and spring break) can easily add another hour at security. Be extra cautious and arrive up to four hours before international flights and two hours before domestic departures.

  • Start your trip with a direct flight from Phoenix Sky Harbour International Airport to Washington DC. From PHX, you can fly straight into any of these Washington DC airports:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Popular carriers that have direct flights from Phoenix Sky Harbour International Airport to Washington DC include:

  • You won't need your passport or a visa to travel within United States. You will need a valid form of identification however, such as an ID card or driver's licence. Put them on your packing list after booking your flight tickets from Phoenix Sky Harbour International Airport to Washington DC.

  • PHX is about 8 kilometres from central Phoenix. If you're ride-sharing, driving or catching a cab from the centre, it'll take 11 minutes or so to get there, depending on the traffic. If you're taking public transport, expect the travel time to be around 34 minutes.

  • Booked an early flight from Phoenix Sky Harbour International Airport to Washington DC? Avoid rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these stays close to PHX:

How to find the cheapest flights from Phoenix Sky Harbour International Airport (PHX) to Washington DC

  • C$122 is the cheapest price we've found for a one-way ticket from Phoenix Sky Harbour International Airport to Washington DC. For a return flight on this route, the best price is C$232. Depending on how early you book and the availability, these fares can change.

  • To snag cheap tickets from PHX to Washington DC, reserve your trip 9 months ahead of your departure date.

  • The cheapest month for tickets from Phoenix Sky Harbour International Airport to Washington DC is May. You can easily compare prices using the 'Whole month' tool and choose the date that offers the lowest fare.

  • Snapping up a cheap ticket from PHX to Washington DC couldn't be easier with Price Alerts. Simply create one of these automatic alerts and we'll get in touch as soon as the price has dropped.

  • Use the filters to tailor your flights from Phoenix Sky Harbour International Airport to Washington DC. Simply enter your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Ronald Reagan National Airport (DCA) is around 8 kilometres from the centre of Washington DC. With your own car rental or if you take a cab, the drive is around 16 minutes.

  • When travelling by public transport, expect a journey time of around 43 minutes.

  • The last thing you want is a long journey to your hotel if you're arriving on a late flight from Phoenix Sky Harbour International Airport to Washington DC. Stay at one of these accommodation options near DCA instead:

Washington Dulles International Airport (IAD)

Best time to go to Washington DC

  • It's time to figure out your trip dates for your flight from Phoenix Sky Harbour International Airport to Washington DC. July is the most popular month for a trip to Washington DC. If you like a more relaxed atmosphere, go in May.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC and 33ºC. Book your flights from Phoenix Sky Harbour International Airport to Washington DC in this month if you enjoy this type of weather.

  • January sees average temperatures of between -6ºC and 10ºC. Search for cheap flights from PHX to Washington DC around that time if you like cooler conditions.

More about Washington DC

  • Start your Washington DC trip right by choosing the perfect place to stay. Once you've booked your flight from Phoenix Sky Harbour International Airport to Washington DC, check out our selection of hotels including:

  • There are so many things to see and do in this city it can be tricky to work out where to begin. White House Historical Association, The White House and National Mall are leading attractions which should be on any good Washington DC itinerary.

Complete your Washington DC trip with a car rental

  • Pick one of our car rentals in Washington DC and see the sights at your leisure. Easily compare companies in one place to find your perfect ride once you've locked in your hotel and cheap flights from Phoenix Sky Harbour International Airport to Washington DC.

Plan the rest of your trip from Phoenix to Washington D.C.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.