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Sky Harbor Intl

$29+ Cheap flights from Washington to Sky Harbor Intl (PHX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Washington to Sky Harbor Intl

Cheapest flights from Washington to Sky Harbor Intl
Explore the most affordable flight options available from Washington to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Frontier deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mFrontier
Sat 1/109:00 amPHX - SEA
Nonstop3h 25mFrontier
Deal found 12/9$111
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:54 pmSEA - PHX
1 stop16h 27mFrontier
Fri 1/92:08 pmPHX - SEA
Nonstop3h 21mFrontier
Deal found 12/9$121
This Trip.com deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:54 pmSEA - PHX
1 stop16h 27mFrontier
Thu 1/152:15 pmPHX - SEA
Nonstop3h 13mFrontier
Deal found 12/9$129
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:59 pmPDX - PHX
Nonstop2h 38mFrontier
Thu 1/85:33 pmPHX - PDX
1 stop17h 01mFrontier
Deal found 12/10$136
This Expedia deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mMultiple Airlines
Fri 1/97:00 amPHX - SEA
Nonstop3h 18mMultiple Airlines
Deal found 12/9$141
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mMultiple Airlines
Mon 1/56:06 amPHX - SEA
Nonstop3h 19mMultiple Airlines
Deal found 12/10$142
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmSEA - PHX
Nonstop3h 04mDelta
Fri 1/92:45 pmPHX - SEA
Nonstop3h 14mDelta
Deal found 12/9$147
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:54 pmSEA - PHX
1 stop16h 27mMultiple Airlines
Mon 1/510:37 pmPHX - SEA
Nonstop3h 16mMultiple Airlines
Deal found 12/10$151
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - PHX
1 stop17h 56mFrontier
Fri 1/92:08 pmPHX - SEA
Nonstop3h 21mFrontier
Deal found 12/9$156
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:55 pmSEA - PHX
Nonstop3h 04mDelta
Wed 1/72:50 pmPHX - SEA
Nonstop3h 10mDelta
Deal found 12/11$157
This Expedia deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/311:25 pmSEA - PHX
1 stop10h 04mMultiple Airlines
Wed 1/75:00 pmPHX - SEA
Nonstop3h 18mMultiple Airlines
Deal found 12/9$161
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:59 pmPDX - PHX
Nonstop2h 38mFrontier
Fri 1/97:12 amPHX - PDX
1 stop11h 27mFrontier
Deal found 12/10$162

Find flight deals from Washington to Sky Harbor Intl

Keep the following information in mind while searching for Washington to Sky Harbor Intl flight deals. Data was last updated December 12, 2025.

Round-trip from

$91
(Kiwi.com)

One-way from

$29
(Frontier)

Popular in

December

Cheapest in

August

Average price

$288

Good round-trip deal

$117 or less

Good one-way deal

$89 or less
From Washington to Phoenix Sky Harbor Intl
Search Deals
One-way flight from Washington to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Washington to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Washington to Phoenix Sky Harbor Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Sky Harbor Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Washington

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 1/11

5:06 pm-8:55 pm

Nonstop2h 49m

Phoenix Sky Harbor Intl

Fri 1/16

3:17 pm-5:33 pm

Nonstop3h 16m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 1/7

9:55 am-1:50 pm

Nonstop2h 55m

Phoenix Sky Harbor Intl

Sun 1/11

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 1/8

7:10 am-11:08 am

Nonstop2h 58m

Phoenix Sky Harbor Intl

Mon 1/12

2:45 pm-4:59 pm

Nonstop3h 14m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 1/23

3:17 pm-7:04 pm

Nonstop2h 47m

Phoenix Sky Harbor Intl

Sun 1/25

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 1/22

7:49 pm-11:48 pm

Nonstop2h 59m

Phoenix Sky Harbor Intl

Sun 1/25

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 1/11

7:10 am-11:08 am

Nonstop2h 58m

Phoenix Sky Harbor Intl

Sun 1/18

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 1/20

1:45 pm-5:35 pm

Nonstop2h 50m

Phoenix Sky Harbor Intl

Sun 1/25

6:20 am-8:37 am

Nonstop3h 17m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 1/14

11:50 am-3:45 pm

Nonstop2h 55m

Phoenix Sky Harbor Intl

Thu 1/22

7:59 pm-10:17 pm

Nonstop3h 18m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 1/20

1:45 pm-5:35 pm

Nonstop2h 50m

Phoenix Sky Harbor Intl

Mon 1/26

7:59 pm-10:17 pm

Nonstop3h 18m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 2/6

5:00 am-8:45 am

Nonstop2h 45m

Phoenix Sky Harbor Intl

Tue 2/10

9:15 am-4:00 pm

1 stop7h 45m

$107

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Phoenix Sky Harbor Intl Airport

What is the cheapest month to book a flight from State of Washington to Phoenix Sky Harbor Intl Airport?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Phoenix Sky Harbor Intl Airport (average of $54). Flying from State of Washington to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to PHX?

Find hourly flight availability from Washington to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

One of the essential ways to save on airfare from State of Washington to Phoenix Sky Harbor Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 49% on airfare.

What is the cheapest day to fly from State of Washington to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington to Sky Harbor Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Phoenix Sky Harbor Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from State of Washington to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Washington to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 12, 2025.

The most flights from USWA to PHX are scheduled on a Thursday (58 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to Phoenix Sky Harbor Intl Airport?

    Alaska Airlines, Delta, and American Airlines can get you from State of Washington to Phoenix Sky Harbor Intl Airport in just under 2h 49m. Your travel time will be generally consistent. The distance from State of Washington to Phoenix Sky Harbor Intl Airport is about 1107 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines to fly from State of Washington to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $19. Users have also found prices from $53 and $59 on Spirit Airlines and Delta, respectively.

  • What are the most popular routes from State of Washington to Phoenix Sky Harbor Intl Airport?

    The most popular route from State of Washington to Phoenix Sky Harbor Intl Airport is Seattle/Tacoma Intl - Phoenix Sky Harbor Intl. You may also consider Portland - Phoenix Sky Harbor Intl or Everett Paine Field - Phoenix Sky Harbor Intl.

  • What are the most reliable airlines from State of Washington to Phoenix Sky Harbor Intl Airport?

    Before booking your flight to Phoenix Sky Harbor Intl Airport from State of Washington, check out the most reliable airlines to get you to your destination on time: Aeromexico (100%), Virgin Atlantic (93%), KLM( 86%).

  • What are the cheapest flights from State of Washington to Phoenix Sky Harbor Intl Airport?

    The cheapest flight price from State of Washington to Phoenix Sky Harbor Intl Airport is $48. On average you can expect to pay $468. The most popular route, (Seattle/Tacoma Intl - Phoenix Sky Harbor Intl), can usually be booked for $67.

  • Can I find deals for flights from Washington to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Washington to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Sky Harbor Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Sky Harbor Intl.

  • Can I find deals for business class flights from Washington to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Washington to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Phoenix Sky Harbor Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Phoenix Sky Harbor Intl Airport (average of $54). Flying from State of Washington to Phoenix Sky Harbor Intl Airport in December is currently the most expensive (average of $97). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Payson
Glendale
Casa Grande
Chandler
Globe
Peoria
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

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Alternative routes for Washington to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Washington to Sky Harbor Intl

Discover the top 9 airlines that operate flights from Washington to Sky Harbor Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$51Average$187FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$65Average$155FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$83Average$211FlexibilityNo cancel feeOn-time85%
Allegiant AirCheapest$89Average$220FlexibilityNo cancel feeOn-time88%
DeltaCheapest$97Average$247FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$130Average$383FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$136Average$324FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$167Average$374FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$186Average$355FlexibilityNo cancel feeOn-time69%

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