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Phoenix Sky Harbor International Airport to Dulles International Airport flight

Explore the cheapest one-way and round-trip flights from Phoenix Sky Harbor International Airport to Dulles International Airport over the next 90 days, with one-way fares from SAR 475 and round-trip from SAR 759. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PHX 14:05
        4h 22m
        Nonstop
        IAD 21:27
        Phoenix - Washington D.C. | Sat, Oct 24 | United Airlines
        IAD 12:55
        5h 13m
        Nonstop
        PHX 15:08
        Washington D.C. - Phoenix | Sat, Oct 31 | United Airlines
        SAR 1,468 SAR 2,024
        27% off
        27% off
        SAR 2,024 SAR 1,468
      • PHX 23:59
        4h 9m
        Nonstop
        IAD 06:08
        Phoenix - Washington D.C. | Wed, Nov 4 | United Airlines
        IAD 17:46
        5h 18m
        Nonstop
        PHX 21:04
        Washington D.C. - Phoenix | Tue, Nov 10 | United Airlines
        SAR 1,477 SAR 2,024
        27% off
        27% off
        SAR 2,024 SAR 1,477
      • PHX 08:16
        19h 4m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Thu, Oct 22 | Frontier Airlines
        IAD 12:31
        13h 29m
        1 stop
        PHX 23:00
        Washington D.C. - Phoenix | Thu, Oct 29 | Frontier Airlines
        SAR 759 SAR 2,024
        63% off
        63% off
        SAR 2,024 SAR 759
      • PHX 19:38
        7h 42m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Fri, Oct 23 | Frontier Airlines
        IAD 06:00
        15h 33m
        1 stop
        PHX 18:33
        Washington D.C. - Phoenix | Sun, Oct 25 | Frontier Airlines
        SAR 833
        59% off
        SAR 2,024 SAR 833
      • PHX 19:38
        7h 42m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Sat, Oct 24 | Frontier Airlines
        DCA 18:00
        8h 42m
        1 stop
        PHX 23:42
        Washington D.C. - Phoenix | Sun, Nov 1 | Frontier Airlines
        SAR 876
        56% off
        SAR 2,024 SAR 876
      • PHX 08:16
        19h 4m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Wed, Oct 14 | Frontier Airlines
        IAD 06:00
        9h 17m
        1 stop
        PHX 12:17
        Washington D.C. - Phoenix | Thu, Oct 22 | Frontier Airlines
        SAR 899
        56% off
        SAR 2,024 SAR 899
      • PHX 08:16
        19h 4m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Fri, Oct 16 | Frontier Airlines
        IAD 06:00
        9h 17m
        1 stop
        PHX 12:17
        Washington D.C. - Phoenix | Thu, Oct 22 | Frontier Airlines
        SAR 919
        55% off
        SAR 2,024 SAR 919
      • PHX 16:34
        10h 46m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Wed, Oct 21 | Frontier Airlines
        DCA 18:00
        8h 42m
        1 stop
        PHX 23:42
        Washington D.C. - Phoenix | Wed, Oct 28 | Frontier Airlines
        SAR 919
        55% off
        SAR 2,024 SAR 919
      • PHX 22:12
        9h 5m
        1 stop
        IAD 10:17
        Phoenix - Washington D.C. | Sat, Oct 17 | Frontier Airlines
        IAD 06:00
        9h 17m
        1 stop
        PHX 12:17
        Washington D.C. - Phoenix | Sun, Oct 25 | Frontier Airlines
        SAR 922
        54% off
        SAR 2,024 SAR 922
      • PHX 14:49
        12h 31m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        IAD 06:00
        9h 23m
        1 stop
        PHX 12:23
        Washington D.C. - Phoenix | Wed, Oct 14 | Frontier Airlines
        SAR 925
        54% off
        SAR 2,024 SAR 925
      • PHX 19:38
        7h 42m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Sun, Oct 25 | Frontier Airlines
        DCA 18:00
        8h 42m
        1 stop
        PHX 23:42
        Washington D.C. - Phoenix | Wed, Oct 28 | Frontier Airlines
        SAR 943
        53% off
        SAR 2,024 SAR 943
      • PHX 20:39
        6h 41m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Wed, Oct 7 | Frontier Airlines
        IAD 06:00
        9h 23m
        1 stop
        PHX 12:23
        Washington D.C. - Phoenix | Wed, Oct 14 | Frontier Airlines
        SAR 955
        53% off
        SAR 2,024 SAR 955
      • PHX 08:08
        19h 12m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Fri, Oct 9 | Frontier Airlines
        DCA 07:00
        11h 13m
        1 stop
        PHX 15:13
        Washington D.C. - Phoenix | Tue, Oct 13 | Frontier Airlines
        SAR 969
        52% off
        SAR 2,024 SAR 969
      • PHX 20:39
        6h 41m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Thu, Oct 8 | Frontier Airlines
        IAD 06:00
        9h 17m
        1 stop
        PHX 12:17
        Washington D.C. - Phoenix | Thu, Oct 15 | Frontier Airlines
        SAR 969
        52% off
        SAR 2,024 SAR 969
      • PHX 13:00
        17h 25m
        1 stop
        WAS 14:00
        Phoenix - Washington D.C. | Thu, Oct 8 | Normal Airline
        WAS 15:00
        6h
        Nonstop
        PHX 16:00
        Washington D.C. - Phoenix | Sat, Oct 10 | Normal Airline
        More cheap flights
        More cheap flights
      • Cheapest nonstop
        PHX 23:59
        4h 9m
        Nonstop
        IAD 06:08
        Phoenix - Washington D.C. | Thu, Nov 19 | United Airlines
        SAR 940 SAR 1,288
        27% off
        27% off
        SAR 1,288 SAR 940
      • PHX 07:50
        4h 13m
        Nonstop
        IAD 15:03
        Phoenix - Washington D.C. | Fri, Oct 30 | United Airlines
        SAR 940 SAR 1,288
        27% off
        27% off
        SAR 1,288 SAR 940
      • PHX 19:38
        7h 42m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Sun, Oct 11 | Frontier Airlines
        SAR 475 SAR 1,288
        63% off
        63% off
        SAR 1,288 SAR 475
      • PHX 19:38
        7h 42m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Sun, Oct 25 | Frontier Airlines
        SAR 486
        62% off
        SAR 1,288 SAR 486
      • PHX 20:39
        6h 41m
        1 stop
        IAD 06:20
        Phoenix - Washington D.C. | Thu, Oct 8 | Frontier Airlines
        SAR 486
        62% off
        SAR 1,288 SAR 486
      • PHX 22:12
        9h 5m
        1 stop
        IAD 10:17
        Phoenix - Washington D.C. | Fri, Oct 23 | Frontier Airlines
        SAR 507
        61% off
        SAR 1,288 SAR 507
      • PHX 22:12
        9h 5m
        1 stop
        IAD 10:17
        Phoenix - Washington D.C. | Tue, Oct 20 | Frontier Airlines
        SAR 521
        60% off
        SAR 1,288 SAR 521
      • PHX 11:31
        6h 41m
        1 stop
        IAD 20:12
        Phoenix - Washington D.C. | Thu, Dec 3 | Frontier Airlines
        SAR 525
        59% off
        SAR 1,288 SAR 525
      • PHX 11:31
        6h 41m
        1 stop
        IAD 20:12
        Phoenix - Washington D.C. | Wed, Dec 2 | Frontier Airlines
        SAR 528
        59% off
        SAR 1,288 SAR 528
      • PHX 11:31
        6h 41m
        1 stop
        IAD 20:12
        Phoenix - Washington D.C. | Fri, Dec 4 | Frontier Airlines
        SAR 528
        59% off
        SAR 1,288 SAR 528
      • PHX 12:30
        14h 40m
        1 stop
        IAD 05:10
        Phoenix - Washington D.C. | Sun, Nov 22 | Frontier Airlines
        SAR 541
        57% off
        SAR 1,288 SAR 541
      • PHX 19:48
        12h 48m
        1 stop
        IAD 11:36
        Phoenix - Washington D.C. | Tue, Oct 27 | Frontier Airlines
        SAR 564
        56% off
        SAR 1,288 SAR 564
      • PHX 09:02
        11h 57m
        1 stop
        IAD 23:59
        Phoenix - Washington D.C. | Sun, Oct 25 | Alaska Airlines
        SAR 570
        56% off
        SAR 1,288 SAR 570
      • PHX 12:30
        8h 32m
        1 stop
        IAD 23:02
        Phoenix - Washington D.C. | Wed, Nov 4 | Delta Air Lines
        SAR 581
        55% off
        SAR 1,288 SAR 581
      • PHX 13:00
        17h 25m
        1 stop
        WAS 14:00
        Phoenix - Washington D.C. | Thu, Oct 8 | Normal Airline
        More cheap flights
        More cheap flights

Displayed flight fares from Phoenix Sky Harbor International Airport to Dulles International Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Phoenix Sky Harbor International Airport to Dulles International Airport

Which month offers the lowest one-way fares when flying from Phoenix Sky Harbor International Airport to Dulles International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Phoenix Sky Harbor International Airport to Dulles International Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Phoenix Sky Harbor International Airport to Dulles International Airport, it is best to book in March, when average fares are SAR 535. Try to avoid November, as fares peak at around SAR 2,301.

SAR 2,301
SAR 1,418
SAR 535
0
    Cheapest
  • SAR 1,662
    Oct
  • SAR 2,301
    Nov
  • SAR 808
    Dec
  • SAR 610
    Jan
  • SAR 992
    Feb
  • SAR 535
    Mar
  • SAR 1,435
    Apr
  • SAR 727
    May
  • SAR 906
    Jun
  • SAR 1,566
    Jul
  • SAR 941
    Aug
  • SAR 918
    Sep

Which day of the week offers the cheapest flights from Phoenix Sky Harbor International Airport to Dulles International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Phoenix Sky Harbor International Airport to Dulles International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Phoenix Sky Harbor International Airport to Dulles International Airport is Friday, when average fares are usually lower than other days. Avoid departing on Saturday, as fares are typically the highest.

SAR 1,607
SAR 1,103
SAR 599
SAR 95
    Cheapest
  • SAR 891
    Mon
  • SAR 869
    Tue
  • SAR 1,120
    Wed
  • SAR 1,050
    Thu
  • SAR 599
    Fri
  • SAR 1,607
    Sat
  • SAR 1,028
    Sun

Which airline offers the cheapest flights from Phoenix Sky Harbor International Airport to Dulles International Airport?

The cheapest airline flying from Phoenix Sky Harbor International Airport to Dulles International Airport is Frontier Airlines (from SAR 475) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From SAR 475
Alaska Airlines
From SAR 570
Delta Air Lines
From SAR 581
American Airlines
From SAR 748
Sun Country Airlines
From SAR 852
United Airlines
From SAR 928

Find more flights and airlines

What is the flight schedule from Phoenix Sky Harbor International Airport to Dulles International Airport?

Check on the flight schedule from Phoenix to Washington D.C. to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93284

    Phoenix Sky Harbor International Airport

    12:05

    PHX

    2h 31m

    Nonstop

    15:36

    DFW

    - M - W T - -
    Search

  2. F93208

    Dallas Fort Worth International Airport

    17:06

    DFW

    2h 55m

    Nonstop

    21:01

    IAD

    S M T - T F -

  3. F91895

    Phoenix Sky Harbor International Airport

    15:11

    PHX

    1h 15m

    Nonstop

    15:26

    LAS

    S - T - - - -
    Search

  4. F93494

    Harry Reid International Airport

    22:14

    LAS

    4h 28m

    Nonstop

    05:42

    IAD

    S M T W T F S

  5. F93983

    Phoenix Sky Harbor International Airport

    15:11

    PHX

    1h 15m

    Nonstop

    15:26

    LAS

    - M - W T F S
    Search

  6. F93494

    Harry Reid International Airport

    22:14

    LAS

    4h 28m

    Nonstop

    05:42

    IAD

    S M T W T F S

  7. F91086

    Phoenix Sky Harbor International Airport

    23:00

    PHX

    4h 6m

    Nonstop

    06:06

    MCO

    S M - W T F S
    Search

  8. F94230

    Orlando International Airport

    08:06

    MCO

    2h 11m

    Nonstop

    10:17

    IAD

    S M T W T F S

  9. AS637

    Phoenix Sky Harbor International Airport

    11:50

    PHX

    3h 8m

    Nonstop

    13:58

    SEA

    S M T W T F S
    Search

  10. AS366

    Seattle-Tacoma International Airport

    15:56

    SEA

    5h 3m

    Nonstop

    23:59

    IAD

    S M T W T F S

  11. AS603

    Phoenix Sky Harbor International Airport

    11:46

    PHX

    3h 23m

    Nonstop

    14:09

    SEA

    S M T W T F S
    Search

  12. AS366

    Seattle-Tacoma International Airport

    15:56

    SEA

    5h 3m

    Nonstop

    23:59

    IAD

    S M T W T F S

  13. AS611

    Phoenix Sky Harbor International Airport

    13:44

    PHX

    3h 12m

    Nonstop

    15:56

    SEA

    S M T W T F S
    Search

  14. AS367

    Seattle-Tacoma International Airport

    21:36

    SEA

    5h 4m

    Nonstop

    05:40

    IAD

    S - - W T - S
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About Phoenix Sky Harbor International Airport and Dulles International Airport

Learn about Phoenix Sky Harbor International Airport (PHX) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.

Flight distance 3,144.75 km
Cheapest one-way ticket price SAR 475
Cheapest return ticket price SAR 759

FAQs for Phoenix Sky Harbor International Airport to Dulles International Airport Flights

  • How long is the flight from Phoenix Sky Harbor International Airport to Dulles International Airport?

    Phoenix Sky Harbor International Airport to Dulles International Airport takes about 4 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Phoenix Sky Harbor International Airport (PHX) to Dulles International Airport (IAD).
  • The earliest flight from Phoenix Sky Harbor International Airport to Dulles International Airport departs at 08:45, and the last departs at 14:05, with about 4 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Phoenix Sky Harbor International Airport (PHX) to Dulles International Airport (IAD) is quite popular. Without considering departure times or holidays, tickets cost around SAR 1,461 in October, the most expensive month to book this route.
  • The earliest flight departs from Phoenix Sky Harbor International Airport at 08:45 and arrives in Dulles International Airport at 16:12.
  • The latest flight departs from Phoenix Sky Harbor International Airport at 20:34 and arrives in Dulles International Airport at 07:31.
  • United Airlines is a very popular airline operating an average of 1777 flights per month.
  • One-way flights from Phoenix Sky Harbor International Airport to Dulles International Airport currently start from SAR 475, and round-trip fares start from SAR 759. The current lowest fare is a Frontier Airlines flight departing on Sun, Oct 11; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Phoenix Sky Harbor International Airport to Dulles International Airport, with an average flight time of 4 hours 49 minutes, and around 22 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Phoenix Sky Harbor International Airport to Dulles International Airport is SAR 1,001. Prices may vary depending on the departure date, airline, and availability.
  • Phoenix Sky Harbor International Airport to Dulles International Airport operates around 21 weekly flights, mainly by United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Phoenix Sky Harbor International Airport and Dulles International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.