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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 € 97 and round-trip from € 210. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PHX 14:05
      4h 22m
      Direct
      IAD 21:27
      Phoenix - Washington D.C. | Sun, Nov 1 | United Airlines
      IAD 12:55
      5h 13m
      Direct
      PHX 15:08
      Washington D.C. - Phoenix | Sun, Nov 8 | United Airlines
      € 352 € 422
      17% off
      17% off
      € 422 € 352
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Thu, Nov 12 | United Airlines
      IAD 17:46
      5h 18m
      Direct
      PHX 21:04
      Washington D.C. - Phoenix | Wed, Nov 18 | United Airlines
      € 354 € 422
      16% off
      16% off
      € 422 € 354
    • PHX 19:38
      7h 42m
      1 stop
      IAD 06:20
      Phoenix - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      DCA 18:00
      8h 42m
      1 stop
      PHX 23:42
      Washington D.C. - Phoenix | Sat, Nov 7 | Frontier Airlines
      € 210 € 422
      50% off
      50% off
      € 422 € 210
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Fri, Dec 11 | Frontier Airlines
      DCA 18:00
      8h 49m
      1 stop
      PHX 00:49
      Washington D.C. - Phoenix | Mon, Dec 14 | Frontier Airlines
      € 219
      48% off
      € 422 € 219
    • PHX 11:36
      6h 34m
      1 stop
      IAD 20:10
      Phoenix - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      DCA 13:40
      9h 5m
      1 stop
      PHX 20:45
      Washington D.C. - Phoenix | Fri, Dec 18 | Frontier Airlines
      € 219
      48% off
      € 422 € 219
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      DCA 13:40
      9h 5m
      1 stop
      PHX 20:45
      Washington D.C. - Phoenix | Sat, Dec 12 | Frontier Airlines
      € 223
      47% off
      € 422 € 223
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Thu, Dec 10 | Frontier Airlines
      DCA 18:00
      8h 49m
      1 stop
      PHX 00:49
      Washington D.C. - Phoenix | Sun, Dec 13 | Frontier Airlines
      € 223
      47% off
      € 422 € 223
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Tue, Dec 8 | Frontier Airlines
      DCA 18:00
      8h 49m
      1 stop
      PHX 00:49
      Washington D.C. - Phoenix | Sat, Dec 12 | Frontier Airlines
      € 226
      46% off
      € 422 € 226
    • PHX 11:36
      6h 35m
      1 stop
      IAD 20:11
      Phoenix - Washington D.C. | Sat, Dec 12 | Frontier Airlines
      DCA 18:00
      8h 49m
      1 stop
      PHX 00:49
      Washington D.C. - Phoenix | Thu, Dec 17 | Frontier Airlines
      € 226
      46% off
      € 422 € 226
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
      WAS 15:00
      6h
      Direct
      PHX 16:00
      Washington D.C. - Phoenix | Fri, Oct 30 | Normal Airline
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    • Cheapest
      PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Wed, Dec 2 | Frontier Airlines
      € 97 € 243
      60% off
      60% off
      € 243 € 97
    • PHX 16:22
      16h 14m
      1 stop
      IAD 11:36
      Phoenix - Washington D.C. | Fri, Oct 30 | Frontier Airlines
      € 118 € 243
      51% off
      51% off
      € 243 € 118
    • PHX 15:11
      11h 59m
      1 stop
      IAD 05:10
      Phoenix - Washington D.C. | Fri, Nov 20 | Frontier Airlines
      € 124 € 243
      49% off
      49% off
      € 243 € 124
    • PHX 11:36
      6h 35m
      1 stop
      IAD 20:11
      Phoenix - Washington D.C. | Wed, Dec 9 | Frontier Airlines
      € 126
      48% off
      € 243 € 126
    • PHX 11:36
      6h 35m
      1 stop
      IAD 20:11
      Phoenix - Washington D.C. | Wed, Dec 16 | Frontier Airlines
      € 126
      48% off
      € 243 € 126
    • PHX 21:22
      8h 5m
      1 stop
      IAD 07:27
      Phoenix - Washington D.C. | Thu, Dec 17 | Frontier Airlines
      € 126
      48% off
      € 243 € 126
    • PHX 11:36
      6h 35m
      1 stop
      IAD 20:11
      Phoenix - Washington D.C. | Thu, Dec 10 | Frontier Airlines
      € 126
      48% off
      € 243 € 126
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Tue, Dec 1 | Frontier Airlines
      € 127
      48% off
      € 243 € 127
    • PHX 11:31
      6h 41m
      1 stop
      IAD 20:12
      Phoenix - Washington D.C. | Thu, Dec 3 | Frontier Airlines
      € 127
      48% off
      € 243 € 127
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      PHX 15:08
      4h 15m
      Direct
      IAD 21:23
      Phoenix - Washington D.C. | Sat, Dec 19 | United Airlines
      € 190 € 243
      22% off
      22% off
      € 243 € 190
    • PHX 15:10
      4h 15m
      Direct
      IAD 21:25
      Phoenix - Washington D.C. | Sat, Dec 12 | United Airlines
      € 204 € 243
      16% off
      16% off
      € 243 € 204
    • PHX 09:50
      4h 17m
      Direct
      IAD 16:07
      Phoenix - Washington D.C. | Fri, Dec 25 | United Airlines
      € 225 € 721
      69% off
      69% off
      € 721 € 225
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Nov 4 | United Airlines
      € 225
      48% off
      € 429 € 225
    • PHX 15:09
      4h 12m
      Direct
      IAD 21:21
      Phoenix - Washington D.C. | Fri, Jan 8 | United Airlines
      € 226
      47% off
      € 429 € 226
    • PHX 15:08
      4h 15m
      Direct
      IAD 21:23
      Phoenix - Washington D.C. | Wed, Nov 25 | United Airlines
      € 257
      64% off
      € 721 € 257
    • PHX 22:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Oct 28 | United Airlines
      € 258
      40% off
      € 429 € 258
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Thu, Nov 5 | United Airlines
      € 258
      40% off
      € 429 € 258
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Fri, Nov 13 | United Airlines
      € 258
      40% off
      € 429 € 258
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • Cheapest nonstop
      PHX 09:50
      4h 17m
      Direct
      IAD 16:07
      Phoenix - Washington D.C. | Fri, Dec 25 | United Airlines
      € 225 € 721
      69% off
      69% off
      € 721 € 225
    • PHX 15:08
      4h 15m
      Direct
      IAD 21:23
      Phoenix - Washington D.C. | Wed, Nov 25 | United Airlines
      € 257 € 721
      64% off
      64% off
      € 721 € 257
    • PHX 15:08
      4h 15m
      Direct
      IAD 21:23
      Phoenix - Washington D.C. | Thu, Nov 26 | United Airlines
      € 259 € 721
      64% off
      64% off
      € 721 € 259
    • PHX 08:50
      4h 13m
      Direct
      IAD 15:03
      Phoenix - Washington D.C. | Fri, Nov 20 | United Airlines
      € 270
      63% off
      € 721 € 270
    • PHX 14:54
      4h 15m
      Direct
      IAD 21:09
      Phoenix - Washington D.C. | Tue, Dec 1 | United Airlines
      € 289
      60% off
      € 721 € 289
    • PHX 14:35
      4h 12m
      Direct
      IAD 20:47
      Phoenix - Washington D.C. | Fri, Dec 18 | United Airlines
      € 303
      57% off
      € 721 € 303
    • PHX 23:58
      4h 12m
      Direct
      IAD 06:10
      Phoenix - Washington D.C. | Sun, Jan 3 | United Airlines
      € 310
      56% off
      € 721 € 310
    • PHX 23:58
      4h 12m
      Direct
      IAD 06:10
      Phoenix - Washington D.C. | Mon, Dec 28 | United Airlines
      € 310
      56% off
      € 721 € 310
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Mon, Nov 30 | United Airlines
      € 382
      47% off
      € 721 € 382
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • PHX 07:38
      7h 12m
      1 stop
      IAD 17:50
      Phoenix - Washington D.C. | Sat, Oct 31 | Alaska Airlines
      € 162 € 324
      50% off
      50% off
      € 324 € 162
    • PHX 07:38
      7h 12m
      1 stop
      IAD 17:50
      Phoenix - Washington D.C. | Thu, Oct 29 | Alaska Airlines
      € 177 € 324
      45% off
      45% off
      € 324 € 177
    • PHX 06:00
      6h 9m
      1 stop
      IAD 14:09
      Phoenix - Washington D.C. | Sun, Nov 1 | Delta Air Lines
      € 272 € 324
      16% off
      16% off
      € 324 € 272
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
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    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Nov 4 | United Airlines
      € 225 € 429
      48% off
      48% off
      € 429 € 225
    • PHX 22:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Oct 28 | United Airlines
      € 258 € 429
      40% off
      40% off
      € 429 € 258
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Thu, Nov 5 | United Airlines
      € 258 € 429
      40% off
      40% off
      € 429 € 258
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Fri, Nov 13 | United Airlines
      € 258
      40% off
      € 429 € 258
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Fri, Nov 6 | United Airlines
      € 258
      40% off
      € 429 € 258
    • PHX 22:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Thu, Oct 29 | United Airlines
      € 259
      40% off
      € 429 € 259
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Nov 11 | United Airlines
      € 266
      38% off
      € 429 € 266
    • PHX 22:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Fri, Oct 30 | United Airlines
      € 266
      38% off
      € 429 € 266
    • PHX 23:59
      4h 9m
      Direct
      IAD 06:08
      Phoenix - Washington D.C. | Wed, Nov 18 | United Airlines
      € 324
      24% off
      € 429 € 324
    • PHX 13:00
      17h 25m
      1 stop
      WAS 14:00
      Phoenix - Washington D.C. | Wed, Oct 28 | Normal Airline
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Displayed flight fares from Phoenix to Washington D.C. 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

What is the cheapest month to fly from Phoenix Sky Harbor International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Phoenix Sky Harbor International Airport to Dulles International Airport for each month in the Trip.com database.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Phoenix Sky Harbor International Airport to Dulles International Airport, the best time to buy is in March, with an average price of € 128. You’ll want to avoid November, when the average price can reach as high as € 551.

€ 551
€ 340
€ 128
0
    Cheapest
  • € 398
    Oct
  • € 551
    Nov
  • € 194
    Dec
  • € 146
    Jan
  • € 238
    Feb
  • € 128
    Mar
  • € 344
    Apr
  • € 174
    May
  • € 217
    Jun
  • € 375
    Jul
  • € 225
    Aug
  • € 220
    Sep

What is the cheapest day of the week to fly from Phoenix Sky Harbor International Airport to Dulles International Airport?

The data is based on the past 12 months and shows the average ticket prices from Phoenix Sky Harbor International Airport to Dulles International Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Phoenix Sky Harbor International Airport to Dulles International Airport is Friday, with average fares typically lower than other days. You’ll want to avoid flying on Saturday, as ticket prices are usually the highest that day.

€ 389
€ 269
€ 148
€ 28
    Cheapest
  • € 184
    Mon
  • € 208
    Tue
  • € 213
    Wed
  • € 252
    Thu
  • € 148
    Fri
  • € 389
    Sat
  • € 246
    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 € 97) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From € 97
Alaska Airlines
From € 133
Delta Air Lines
From € 139
American Airlines
From € 179
United Airlines
From € 190

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

Check the schedule for flights from Phoenix to Washington D.C. and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93284

    Phoenix Sky Harbor International Airport

    07:47

    PHX

    2h 26m

    Direct

    11:13

    DFW

    - M T - - - -
    Search

  2. F93208

    Dallas Fort Worth International Airport

    06:00

    DFW

    2h 56m

    Direct

    09:56

    IAD

    S M T W T F S

  3. AS2257

    Phoenix Sky Harbor International Airport

    06:08

    PHX

    1h 22m

    Direct

    06:30

    SAN

    S - - - - - S
    Search

  4. AS506

    San Diego International Airport

    09:41

    SAN

    4h 59m

    Direct

    17:40

    IAD

    S M T W T F S

  5. AS401

    Phoenix Sky Harbor International Airport

    16:58

    PHX

    3h 12m

    Direct

    19:10

    SEA

    S - - - - - S
    Search

  6. AS367

    Seattle-Tacoma International Airport

    21:36

    SEA

    5h 4m

    Direct

    05:40

    IAD

    S - - W T - S

  7. AS603

    Phoenix Sky Harbor International Airport

    11:46

    PHX

    3h 8m

    Direct

    14:54

    SEA

    S M T W T F S
    Search

  8. AS366

    Seattle-Tacoma International Airport

    15:56

    SEA

    5h 3m

    Direct

    23:59

    IAD

    - M T W T - -

  9. F94113

    Phoenix Sky Harbor International Airport

    21:22

    PHX

    1h 14m

    Direct

    21:36

    LAS

    - - - W T - -
    Search

  10. F92428

    Harry Reid International Airport

    21:43

    LAS

    4h 6m

    Direct

    04:49

    ATL

    S M T W T F S

  11. F91082

    Hartsfield–Jackson Atlanta International Airport

    06:00

    ATL

    1h 51m

    Direct

    07:51

    IAD

    - M - - - - -

  12. F93972

    Phoenix Sky Harbor International Airport

    12:58

    PHX

    2h 26m

    Direct

    16:24

    DFW

    S M T W T F S
    Search

  13. F93208

    Dallas Fort Worth International Airport

    06:00

    DFW

    2h 56m

    Direct

    09:56

    IAD

    S M T W T F S

  14. F93983

    Phoenix Sky Harbor International Airport

    13:25

    PHX

    1h 14m

    Direct

    13:39

    LAS

    S M T W T - S
    Search

  15. F91116

    Harry Reid International Airport

    07:20

    LAS

    4h 3m

    Direct

    14:23

    ATL

    S M T W T F S

  16. F93692

    Hartsfield–Jackson Atlanta International Airport

    22:30

    ATL

    1h 51m

    Direct

    00:21

    IAD

    S - T W T F 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 3,144.75km
Cheapest one-way ticket price € 97
Cheapest return ticket price € 210

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 27 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 4 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 3 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 € 402 in October, the most expensive month to book this route.
  • The earliest flight departs from Phoenix Sky Harbor International Airport (PHX) at 08:45 and arrives in Dulles International Airport (IAD) at 16:10.
  • 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 € 97, and round-trip fares start from € 210. The current lowest fare is a Frontier Airlines flight departing on Wed, Dec 2; 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 57 minutes, and around 21 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 € 266. 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 estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.