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 £117. 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 May.

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£57
Cheapest month to flyMay
Average flight time4 hrs, 18 mins
Most popular airlineSouthwest Airlines
Average flights per week96

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 £117. 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 April 2026, there are 97 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 May.
If you're flying from Phoenix Sky Harbor Airport, the cheapest airport near Washington D.C. is Washington Dulles – which is 22.7 miles away from the centre of Washington D.C.. We've found flights into this airport from £117.
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, 13 May 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 April, the average temperature is usually around 12°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 American Airlines 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 travelling for 5 hours 10 minutes. On average, that's the time it takes for a direct flight from Phoenix Sky Harbour International Airport to Washington DC.

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

  • Phoenix Sky Harbour International Airport (PHX) to Washington Dulles International Airport (IAD) is the most popular route, with 21 departures a week to pick from. If you have things to finalize before heading off, the last flight from PHX to IAD is with United Airlines at 23:59. Opt for the first departure operated by United Airlines at 08:00 if you want to get on your way earlier.

  • Leave plenty of time to make your PHX to Washington DC flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • During popular months such as July, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a peak period in general.

  • Book a direct Phoenix Sky Harbour International Airport to Washington DC ticket and reach your destination sooner. PHX offers nonstop flights to these Washington DC airports:

    • Ronald Reagan National Airport (DCA)

    • Washington Dulles International Airport (IAD)

    • Baltimore/Wash International Thurgood Marshall Airport (BWI)

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

  • Travelling from central Phoenix to PHX takes about 35 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 6 kms (4 miles) in 10 minutes or so, depending on traffic.

  • Have an early flight from Phoenix Sky Harbour International Airport to Washington DC? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels close to PHX:

  • Phoenix Sky Harbour International Airport gets high marks for its on-time performance. 82.57% of flights that take off from PHX reach their destination on time.

  • You'll find PHX at 3400 Sky Harbour Boulevard.

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

  • £57 is currently the lowest price for a one-way Phoenix Sky Harbour International Airport to Washington DC flight. A return plane ticket starts at £117. 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)

  • Ronald Reagan National Airport (DCA) is around 8 kms (5 miles) from central Washington DC. If you're grabbing a cab or a ride-share, the drive will take roughly 15 minutes.

  • If you're using public transport, expect a journey time of about 45 minutes.

  • Consider booking a hotel near DCA if you have a late flight from Phoenix Sky Harbour International Airport to Washington DC. Pick one of these options and make your first night all about catching up on rest:

  • Travel at your own pace with a Ronald Reagan National Airport rental car. Book your wheels from Thrifty, Sixt or Dollar and find adventure across Washington DC and beyond.

  • Reserving your ride from Ronald Reagan National Airport about four weeks ahead of your flight from PHX to Washington DC can help you get the lowest rate.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is about 56 kms (35 miles) from Washington Dulles International Airport (IAD). Once your flight from Phoenix Sky Harbour International Airport to Washington DC has hit the runway and you've made your way to arrivals, expect a drive of around 50 minutes.

  • If you're travelling on public transport, it'll take around 1 hour 10 minutes.

  • You'll find some comfortable places to call home for the night near IAD. Unwind and get cosy after your PHX to Washington DC flight at one of these perfectly located options:

  • No need to worry about public transport schedules or cab lines. Grab a Washington Dulles International Airport rental car and blaze your own trail. Check out the rates and availability from Dollar, Thrifty and Sixt.

  • Snap up a deal by securing your ride from IAD one week in advance. You'll also have access to a bigger selection of vehicles.

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

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Hop off your flight from Phoenix Sky Harbour International Airport to Washington DC and head straight for your hotel or jump right into exploring. The centre of Washington DC is around 48 kms (30 miles) from Baltimore/Wash International Thurgood Marshall Airport (BWI) and usually takes 50 minutes to reach by car.

  • If you go by public transport, the journey time is around 1 hour 30 minutes.

  • If you don't want to make your way to the centre, choose a hotel near BWI. Make yourself comfy at one of these stays after your PHX to Washington DC flight:

  • Whether you'd like a mini for a solo escape or a roomy SUV to transport your group, you'll find the ideal Baltimore/Wash International Thurgood Marshall Airport rental car for your needs. Browse the range of wheels available here from providers such as Dollar, Thrifty and Budget.

  • Get ahead of the game and reap the rewards. Book your vehicle from BWI two weeks before your flight from Phoenix Sky Harbour International Airport to Washington DC for the lowest prices.

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 322 kms (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 193 kms (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.