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Cheap flights from Phoenix to Washington

Recently found return fares from $130, with November the cheapest month we know of. Compare dates, then book with the partner you choose.

Cheapest months to fly

Lowest recently found return fare in each month. Tap a month to see that month's calendar.

$130 Nov2026

Phoenix → Washington

November 2026

Mon Tue Wed Thu Fri Sat Sun 1 2 $167 3 $167 4 5 6 7 $145 8 9 10 11 12 13 14 15 16 17 18 $130 19 20 21 22 23 24 25 26 27 28 29 $318 30 $147
LowerHigherLowest this month

Lowest fares for the best day

  • Frontier AirlinesFri 6 Nov – Mon 9 Nov · 1 stop · 5h 05m $261
See all flights for these dates

Airports in Washington

  • IADDulles
  • DCAReagan National

Airport in Phoenix

  • PHXSky Harbor

Watch this route

PHX
WAS

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More trips from Phoenix

All flights from Phoenix Washington to Phoenix flights
Los Angelesfrom $54 Denverfrom $116 ONTfrom $129 LGBfrom $139 Dallasfrom $151 Chicagofrom $183 PNSfrom $192 San Franciscofrom $213

FAQ

Questions about this route

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Help center Contact us
01What is the cheapest month to fly from Phoenix to Washington?

Based on recently found fares, November 2026 has the lowest price we know of, from $130. Prices change often, so check the calendar for current fares.

02Which airports serve Washington?

Washington is served by Dulles (IAD), Reagan National (DCA). Searching the city code compares all of them at once.

03Are the prices on this page final?

No. They are recently found fares. When you open a deal, the partner shows the live price, including taxes and fees, before you pay.

04How can I get an alert when flights to Washington get cheaper?

Use the price alert on this page. Choose your dates or a whole month and we will email you when the fare drops.