What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Washington?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Phoenix Sky Harbor Intl to Washington

What airlines fly to State of Washington?

Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to State of Washington from Phoenix Sky Harbor Intl Airport according to our data. Alaska Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Washington?

The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Washington is 8 as of April 2026.

How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Washington?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Washington.

What documentation or ID do you need to fly to Washington?

The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$84 Cheap Flights from Phoenix Sky Harbor Intl Airport to State of Washington in 2026

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to State of Washington on average per day?

59 flights are operational daily from Phoenix Sky Harbor Intl Airport to State of Washington as of April 2026. The most popular departure time for this route is 5:00PM, with 43% of flights per day taking off in the afternoon.

Q: How many flights depart from Phoenix Sky Harbor Intl Airport to State of Washington on average per week?

The number of flights available between Phoenix Sky Harbor Intl Airport and State of Washington is 418 per week as of April 2026. The most frequent departure day is Wed, with 21% of weekly flights leaving on this day.

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Find the cheapest flights from Phoenix Sky Harbor Intl Airport to Washington

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:07 pm - 7:51 pm

PHX

SEA

23h 44m

1 stop

10:57 am - 5:20 pm

SEA

PHX

6h 23m

1 stop

$121Frontier

Wed, Apr 22 - Wed, Apr 29

8:07 pm - 7:51 pm

PHX

SEA

23h 44m

1 stop

10:57 am - 5:20 pm

SEA

PHX

6h 23m

1 stop

$140Frontier

Wed, Apr 22 - Wed, Apr 29

8:28 pm - 5:42 pm

PHX

SEA

21h 14m

1 stop

11:06 am - 11:57 pm

SEA

PHX

12h 51m

1 stop

$145Frontier

Mon, Apr 27 - Tue, May 5

8:49 pm - 11:59 pm

PHX

PAE

3h 10mnonstop

4:56 pm - 7:49 pm

PAE

PHX

2h 53mnonstop

$197Alaska Airlines

Thu, Apr 30 - Sun, May 3

7:25 am - 2:40 pm

PHX

PSC

7h 15m

1 stop

9:14 pm - 12:55 pm

PSC

PHX

15h 41m

1 stop

$199Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

10:27 pm - 8:29 pm

PHX

GEG

22h 02m

1 stop

9:19 pm - 1:20 pm

GEG

PHX

16h 01m

2 stops

$199Multiple Airlines

Wed, May 6 - Sun, May 10

7:27 pm - 10:40 pm

PHX

PAE

3h 13mnonstop

4:56 pm - 7:49 pm

PAE

PHX

2h 53mnonstop

$217Alaska Airlines

Thu, May 7 - Sun, May 10

8:32 pm - 11:10 pm

PHX

GEG

2h 38mnonstop

6:05 am - 8:45 am

GEG

PHX

2h 40mnonstop

$237American Airlines

Wed, Apr 29 - Wed, May 6

11:35 am - 2:19 pm

PHX

GEG

2h 44mnonstop

6:34 am - 9:20 am

GEG

PHX

2h 46mnonstop

$245American Airlines

Tue, May 5 - Tue, May 12

6:35 pm - 11:25 pm

PHX

GEG

4h 50m

1 stop

7:00 am - 9:35 am

GEG

PHX

2h 35mnonstop

$247Southwest

Wed, Apr 29 - Wed, May 6

Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to State of Washington

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to State of Washington flight tickets

Alaska Airlines

Apr 23

PHX6:00 amPhoenix Sky Harbor Intl

3h 14m

SEA9:14 amSeattle/Tacoma Intl

Apr 26

SEA8:04 amSeattle/Tacoma Intl

3h 10m

PHX11:14 amPhoenix Sky Harbor Intl

$190

Alaska Airlines

Apr 30

PHX8:49 pmPhoenix Sky Harbor Intl

3h 10m

PAE11:59 pmEverett Paine Field

May 3

PAE4:56 pmEverett Paine Field

2h 53m

PHX7:49 pmPhoenix Sky Harbor Intl

$197

Alaska Airlines

May 7

PHX7:27 pmPhoenix Sky Harbor Intl

3h 13m

PAE10:40 pmEverett Paine Field

May 10

PAE4:56 pmEverett Paine Field

2h 53m

PHX7:49 pmPhoenix Sky Harbor Intl

$217

Frontier flights from Phoenix Sky Harbor Intl Airport to State of Washington

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to State of Washington flight tickets

Frontier

Apr 22

PHX8:07 pmPhoenix Sky Harbor Intl

23h 44m

1 stop

SEA7:51 pmSeattle/Tacoma Intl

Apr 29

SEA10:57 amSeattle/Tacoma Intl

6h 23m

1 stop

PHX5:20 pmPhoenix Sky Harbor Intl

$140

Frontier

Apr 27

PHX8:28 pmPhoenix Sky Harbor Intl

21h 14m

1 stop

SEA5:42 pmSeattle/Tacoma Intl

May 5

SEA11:06 amSeattle/Tacoma Intl

12h 51m

1 stop

PHX11:57 pmPhoenix Sky Harbor Intl

$145

Frontier

May 6

PHX10:27 pmPhoenix Sky Harbor Intl

11h 55m

1 stop

SEA10:22 amSeattle/Tacoma Intl

May 12

SEA11:06 amSeattle/Tacoma Intl

12h 51m

1 stop

PHX11:57 pmPhoenix Sky Harbor Intl

$148

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 4/22

8:07 pm-7:51 pm

1 stop23h 44m

Seattle/Tacoma Intl

Wed 4/29

10:57 am-5:20 pm

1 stop6h 23m

$121

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 4/22

8:07 pm-7:51 pm

1 stop23h 44m

Seattle/Tacoma Intl

Wed 4/29

10:57 am-5:20 pm

1 stop6h 23m

$140

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Mon 4/27

8:28 pm-5:42 pm

1 stop21h 14m

Seattle/Tacoma Intl

Tue 5/5

11:06 am-11:57 pm

1 stop12h 51m

$145

PhoenixEverett

PHX - PAE

PHXPAE

Phoenix Sky Harbor Intl

Thu 4/30

8:49 pm-11:59 pm

Nonstop3h 10m

Everett Paine Field

Sun 5/3

4:56 pm-7:49 pm

Nonstop2h 53m

$197

PhoenixPasco

PHX - PSC

PHXPSC

Phoenix Sky Harbor Intl

Thu 4/16

7:25 am-2:40 pm

1 stop7h 15m

Pasco Tri Cities

Mon 4/20

9:14 pm-12:55 pm

1 stop15h 41m

$199

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 5/6

10:27 pm-8:29 pm

1 stop22h 02m

Spokane

Sun 5/10

9:19 pm-1:20 pm

2 stops16h 01m

$199

PhoenixEverett

PHX - PAE

PHXPAE

Phoenix Sky Harbor Intl

Thu 5/7

7:27 pm-10:40 pm

Nonstop3h 13m

Everett Paine Field

Sun 5/10

4:56 pm-7:49 pm

Nonstop2h 53m

$217

Quickest round-trip

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 4/29

8:32 pm-11:10 pm

Nonstop2h 38m

Spokane

Wed 5/6

6:05 am-8:45 am

Nonstop2h 40m

$237

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Tue 5/5

11:35 am-2:19 pm

Nonstop2h 44m

Spokane

Tue 5/12

6:34 am-9:20 am

Nonstop2h 46m

$245

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 4/29

6:35 pm-11:25 pm

1 stop4h 50m

Spokane

Wed 5/6

7:00 am-9:35 am

Nonstop2h 35m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from Phoenix Sky Harbor Intl Airport, with most prices found around $133. If you aren’t able to travel to State of Washington during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $168.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Phoenix Sky Harbor Intl Airport to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $267. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Phoenix Sky Harbor Intl Airport to State of Washington for around $455.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is at noon when flights can be purchased for as low as $231. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $329 on average. Flights to State of Washington from Phoenix Sky Harbor Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Phoenix Sky Harbor Intl to Washington flight route?

Fly from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl for the best Phoenix Sky Harbor Intl - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Phoenix Sky Harbor Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $191 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Phoenix Sky Harbor Intl Airport for as low as $162 on momondo.

What cabin class options are available on Phoenix Sky Harbor Intl to Washington flights?

There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Phoenix Sky Harbor Intl Airport to State of Washington flights?

No. A direct flight is the cheapest option for a flight between Phoenix Sky Harbor Intl Airport to State of Washington.

Cheap Phoenix Sky Harbor Intl Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to State of Washington

Best Price Found	$127
Fastest flight time	2h 30m
Direct flights	Every day
Airports in State of Washington	96 airports

The best one-way flight to State of Washington from Phoenix Sky Harbor Intl Airport in the past 72 hours is $127. The best round-trip flight deal from Phoenix Sky Harbor Intl Airport to State of Washington found on momondo in the last 72 hours is $204.

The fastest flight from Phoenix Sky Harbor Intl Airport to State of Washington takes 2h 30m

Direct flights go from Phoenix Sky Harbor Intl Airport to State of Washington every day.

There are 96 airports in State of Washington. From Phoenix Sky Harbor Intl Airport there are direct flights to Portland (PDX), Spokane (GEG).

Search flight deals

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Washington

When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Washington?
Prices for flights from Phoenix Sky Harbor Intl Airport to Washington refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Washington?
The number of operators available for flights from Phoenix Sky Harbor Intl Airport to Washington is 8 as of April 2026.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport to Washington?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Phoenix Sky Harbor Intl Airport to Washington.
What documentation or ID do you need to fly to Washington?
The required travel and health documents for your Washington trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to State of Washington?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Phoenix Sky Harbor Intl Airport to State of Washington is Boeing 737-800 Passenger/BBJ2 (winglets) (21.03% of total bookings). The next most popular plane models are Embraer 175 (15.91%), Airbus A320neo (10.53%), and Boeing 737 MAX 8 (10.41%).

Best airlines flying from Phoenix Sky Harbor Intl Airport to State of Washington

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $41	Free Cancellation	Rating 5.7 3,006 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $83	Free Cancellation	Rating 7.8 2,838 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,336 reviews	Search Southwest flights
Delta	PriceFrom $97	Free Cancellation	Rating 7.9 8,365 reviews	Search Delta flights
JetBlue	PriceFrom $97	Free Cancellation	Rating 7.2 2,909 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $108	Free Cancellation	Rating 7.9 12,149 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $117	Free Cancellation	Rating 7.1 11,545 reviews	Search American Airlines flights
Allegiant Air	PriceFrom $148	Free Cancellation	Rating 7.3 709 reviews	Search Allegiant Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Washington?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington from Phoenix.

Can I find flights from Phoenix to Washington with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington from Phoenix with this policy.

How can momondo help me find flights from Phoenix to Washington?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Phoenix to Washington.

I’m not ready to book a flight from Phoenix to Washington right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Phoenix to Washington now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington and let you know when they change.

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Flights to Fort Lauderdalefrom $56

Cheap flights from Phoenix Sky Harbor Intl Airport to Washington from $84

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Alaska Airlines flights from Phoenix Sky Harbor Intl Airport to State of Washington

Our best Alaska Airlines deals on Phoenix Sky Harbor Intl Airport to State of Washington flight tickets

Frontier flights from Phoenix Sky Harbor Intl Airport to State of Washington

Our best Frontier deals on Phoenix Sky Harbor Intl Airport to State of Washington flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Washington that are best for you.

See travel insights to Washington from

How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport to State of Washington

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest Phoenix Sky Harbor Intl to Washington flight route?

How far in advance should I book a flight to State of Washington?

What cabin class options are available on Phoenix Sky Harbor Intl to Washington flights?

Can stopping save me money on Phoenix Sky Harbor Intl Airport to State of Washington flights?

What is the cheapest airline that flies from Phoenix Sky Harbor Intl to Washington?

What airlines fly to State of Washington?

How many flights depart from Phoenix Sky Harbor Intl Airport to State of Washington on average per day?

How many flights depart from Phoenix Sky Harbor Intl Airport to State of Washington on average per week?

Cheap Phoenix Sky Harbor Intl Airport to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to State of Washington

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from Phoenix Sky Harbor Intl Airport to Washington

Best airlines flying from Phoenix Sky Harbor Intl Airport to State of Washington

Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to State of Washington with momondo

Why use momondo?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

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