Cheap Flights from Phoenix to Washington Dulles

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Flight deals from Phoenix to Washington Dulles Airport

Looking for a cheap last-minute deal or the best return flight from Phoenix to Washington Dulles Airport? If you want to travel next month, return fares start from Rs58,608. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Phoenix to Washington Dulles

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phoenix to Washington Dulles flights are currently cheapest in April.

Direct flights from Phoenix to Washington Dulles

Phoenix to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundRs27,074
Cheapest month to flyApril
Average flight time4 hrs, 18 mins
Most popular airlineUnited
Average flights per week104

Finding cheap flights from Phoenix to Washington Dulles: Frequently asked questions

The best price we found for a return flight from Phoenix to Washington Dulles is Rs56,773. 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 to Washington Dulles.
United, Lufthansa and Southwest Airlines fly direct from Phoenix to Washington Dulles.
As of March 2026, there are 156 flights per week flying from Phoenix to Washington Dulles.
The cheapest month to fly from Phoenix to Washington Dulles is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Phoenix to Washington Dulles Airport on Friday, 8 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 Dulles 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.

Travelling from Phoenix to Washington Dulles International Airport (IAD): What you need to know

  • Get your trip started at Phoenix Sky Harbour International Airport (PHX), the main airport in Phoenix. Look for flights from Phoenix to Washington Dulles International Airport (IAD) that jet out of this terminal.

  • 4 hours 15 minutes is the average travel time for a direct Phoenix to Washington Dulles International Airport flight.

  • Washington DC is two hours ahead of Phoenix. Washington Dulles International Airport is located in Washington DC, which follows the UTC-5 timezone.

  • Phoenix Sky Harbour International Airport (PHX) to Washington Dulles International Airport (IAD) is the most popular route. There are 21 direct departures a week to pick from. If you have things to do before heading off, hop on the last flight with United Airlines at 11:59pm. Opt for the first PHX to IAD departure with United Airlines at 8am if you're aiming for an earlier start.

  • To ensure you get on your flight from Phoenix to IAD, leave enough time for things like baggage drop and finding your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.

  • Getting away during a peak time like March? Popular periods (like spring break and Thanksgiving) can add another hour at security. Be extra cautious and arrive up to four hours before an international flight and two hours before domestic departures.

Airports in Phoenix

Phoenix Sky Harbour International Airport (PHX)

  • You can book a direct flight from Phoenix to Washington Dulles International Airport (IAD) out of Phoenix Sky Harbour International Airport (PHX).

  • Book your direct flight from Phoenix to Washington Dulles International Airport with United Airlines. This well-known airline offers services from PHX.

  • The preferred airline for passengers flying between PHX and IAD is United.

  • With a dependable 91.0% of services arriving as scheduled, United is the top on-time carrier serving this route.

  • PHX is about 5 kilometres from central Phoenix. If you're catching a taxi, driving or ride-sharing from the centre, it'll take 10 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 25 minutes.

  • Have an early flight from Phoenix to Washington Dulles International Airport? Avoid rushing to the terminal (and get some bonus sleep) by staying at one of these stays near Phoenix Sky Harbour International Airport:

  • Phoenix Sky Harbour International Airport has an excellent on-time performance, reducing the likelihood of delays. Departures from PHX land on schedule 80% of the time.

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

Phoenix-Mesa Gateway Airport (AZA)

  • You can get to AZA from the centre of Phoenix in about 30 minutes by car (depending on traffic). The journey on public transport will take roughly 1 hour 15 minutes to travel the 32 kilometres or so.

  • Start your holiday sooner with an extra night away from home. Before your Phoenix to IAD flight, stay in one of these hotels near Phoenix-Mesa Gateway Airport:

  • Flights from Phoenix-Mesa Gateway Airport have a reputation for punctuality, with 82% of them touching down right on cue.

  • You'll find AZA at 6033 S. Sossaman Rd..

About Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • From Washington Dulles International Airport, central Washington DC is around 40 kilometres away. It takes about 45 minutes to get to the city centre by car.

  • Travelling on public transport will take you around 1 hour 10 minutes.

How to find the cheapest flights from Phoenix to Washington Dulles International Airport (IAD)

  • Rs27,074 is the best price for a one-way ticket from Phoenix to Washington Dulles International Airport. Return flights start from Rs56,773. These prices can change depending on availability and demand.

  • To find cheap flights from Phoenix to IAD, book ahead. Airlines generally offer lower prices when flights are first released.

  • If you can be flexible with your travel plans, use the 'Whole month' search tool. It'll show you the lowest price across each month when searching for your Phoenix to Washington Dulles International Airport ticket.

  • Finding a cheap plane ticket from Phoenix to IAD couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you when a better deal is available.

  • Filters make it easier to scoop up a deal on your flight from Phoenix to Washington Dulles International Airport. Pick the airlines, flight times and stops that work for you. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Phoenix to Washington Dulles International Airport (IAD)

  • February is the quietest month for flights from Phoenix to Washington Dulles International Airport (IAD), while June is the busiest. Figure out the best time to visit Washington DC based on whether you want a laid-back vibe or a lively atmosphere.

  • Book a Phoenix to IAD plane ticket departing in July if you're eager to visit the city during its warmest month. Expect temperatures in Washington DC to range from 19ºC to 33ºC.

  • Look for cheap tickets from Phoenix to Washington Dulles International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC.

More about Washington DC

Explore more of the United States

  • Washington DC will leave a lasting impression, but there are so many other parts of the United States you should also see. Around 225 kilometres northeast of Washington DC, a visit to Philadelphia will keep you on the go. Start with leading sights like Independence Hall, Liberty Bell and Philadelphia Museum of Art.

  • Around 274 kilometres southeast of Washington DC, Virginia Beach is another favourite stop in the United States. No visit is complete without checking out Virginia Beach Boardwalk, Resort Beach and Neptune's Park.

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