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

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Flight deals from Phoenix Sky Harbor Airport 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 £120. Find the lowest prices on one-way and return tickets right here.

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 April.

Direct flights from Phoenix Sky Harbor to Washington D.C.

Phoenix to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found£120
Cheapest month to flyApril
Average flight time4 hrs, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week428

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

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Phoenix Sky Harbor to Washington D.C. is £120. 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 18 minutes is the average flight time from Phoenix Sky Harbor to Washington D.C..
Southwest Airlines, American Airlines and United fly direct from Phoenix Sky Harbor to Washington D.C..
As of March 2026, there are 107 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 April.
If you're flying from Phoenix Sky Harbor Airport, the cheapest airport near Washington D.C. is Washington Ronald Reagan – which is 3.4 miles away from the centre of Washington D.C.. We've found flights into this airport from £120.
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 Wednesday, 22 April 2026.
Yes – the average flight time is 4 hours and 18 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 March, the average temperature is usually around 6°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..

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

  • Take a direct flight from Phoenix Sky Harbour International Airport to Washington DC and you'll be travelling for an average of 5 hours 10 minutes.

  • Washington DC is three hours ahead of Phoenix, where Phoenix Sky Harbour International Airport is located. Washington DC observes the UTC-4 timezone.

  • The busiest route is from Phoenix Sky Harbour International Airport (PHX) to Washington Dulles International Airport (IAD). Take your pick of 21 services every week between these two airports. If you'd like to get on your way as soon as you can, the earliest flight from PHX to IAD is the 08:00 United Airlines option. If you're planning to fly out later on, the final departure is at 23:59 with United Airlines.

  • Allow plenty of time to catch your PHX to Washington DC flight. It's generally best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're heading away during a bank holiday or another peak period, give yourself extra time. A good rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • You can travel nonstop from PHX to Washington DC. Pick from these arrival points when searching for a Phoenix Sky Harbour International Airport to Washington DC ticket:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • You'll find a good selection of airlines that offer direct flights from Phoenix Sky Harbour International Airport to Washington DC, including:

  • The journey from central Phoenix to PHX takes about 35 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 4 miles in 10 minutes or so, depending on traffic.

  • Planning to catch an early flight from Phoenix Sky Harbour International Airport to Washington DC? Avoid the stress of rushing to the airport (and get some extra shut-eye) by choosing one of these stays near PHX:

  • 82.57% of flights departing from Phoenix Sky Harbour International Airport touch down at their destination on time. Given its strong on-time stats, you're unlikely to face delays when jetting out of PHX.

  • PHX's address is 3400 Sky Harbour Boulevard.

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

  • £63 is currently the lowest price for a one-way Phoenix Sky Harbour International Airport to Washington DC flight. A return plane ticket starts at £120. These fares can change depending on availability.

  • Book one month before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from PHX to Washington DC.

  • The best month for picking up cheap Phoenix Sky Harbour International Airport to Washington DC tickets is May. Use the 'Whole month' tool to compare prices, then choose the dates that offer the lowest fares.

  • Cut down on the time spent looking for cheap flights from PHX to Washington DC by creating a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Tailor your trip with filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Phoenix Sky Harbour International Airport to Washington DC.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • The distance from Ronald Reagan National Airport (DCA) to central Washington DC is roughly 5 miles. It'll take you around 15 minutes to get to the centre driving.

  • Travelling by public transport will take you around 45 minutes.

  • Consider booking a hotel close to DCA if you're coming in on a late flight from Phoenix Sky Harbour International Airport to Washington DC. Settle into one of these options and make your arrival easier:

  • Go wherever you want, whenever you want with a Ronald Reagan National Airport rental car. Pick up your wheels from Thrifty, Sixt or Dollar and experience more of Washington DC and beyond.

  • Lock in the best deal by booking your ride from Ronald Reagan National Airport around four weeks before your flight from PHX to Washington DC.

  • The street address for DCA is 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Once your flight from Phoenix Sky Harbour International Airport to Washington DC has touched down, you can make your way to the city centre in around 50 minutes by car. Central Washington DC is roughly 35 miles from Washington Dulles International Airport (IAD).

  • If you choose to travel on public transport, the ride to the centre takes 1 hour 10 minutes or so.

  • Following your PHX to Washington DC flight, unwind at a hotel close to IAD. These are some comfortable options that'll help you sink into relaxation mode:

  • The fastest way to reach your destination is with a Washington Dulles International Airport rental car. Grab a set of wheels from Dollar, Thrifty or Sixt and be on your way in a flash.

  • Lock in the best price by reserving your ride from IAD one week ahead of time. You'll also have access to a wider range of vehicles.

  • You'll find Washington Dulles International Airport at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Set your sights on the city centre after your flight from Phoenix Sky Harbour International Airport to Washington DC has landed. Central Washington DC is around 30 miles from Baltimore/Wash International Thurgood Marshall Airport (BWI) and takes roughly 50 minutes to reach by cab or ride-share.

  • If you travel by public transport, the journey will take you around 1 hour 30 minutes.

  • Book a hotel close to BWI and go from the runway to resting in a snap. Whether you're coming in on a late PHX to Washington DC flight or just want to keep your travel plans simple, these accommodation options offer a quick route to a good night's sleep:

  • Whether you want a compact for a solo trip or a roomy SUV to transport your group, you'll find the right Baltimore/Wash International Thurgood Marshall Airport rental car for you. Browse the types of wheels available from suppliers such as Dollar, Thrifty and Budget.

  • Around two weeks before your flight from Phoenix Sky Harbour International Airport to Washington DC is a good time to book your vehicle from BWI. You're likely to snag a better deal or even pick up some early bird discounts.

Best time to go to Washington DC

  • Carefully consider your dates before securing your flight from Phoenix Sky Harbour International Airport to Washington DC. The city comes alive during peak season, but hotel prices are typically higher and major attractions can get crowded. Go to Washington DC in the off-season if you want a quieter vibe.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Book your Phoenix Sky Harbour International Airport to Washington DC plane ticket then if that's your definition of good weather.

  • January sees average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for a cheap ticket from PHX to Washington DC around that time if you want to travel when it's cooler.

More about Washington DC

Explore more of United States

  • Washington DC has its own special appeal, but there are so many other corners of United States just waiting to be explored. Around 200 miles north-east of Washington DC, a visit to New York will keep you on the go. Start with attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 120 miles north-east of Washington DC, Philadelphia is another favourite stop in United States. Start your sightseeing at Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.