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 37% 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.

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

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

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 May 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.

$87 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?

47 flights are operational daily from Phoenix Sky Harbor Intl Airport to State of Washington as of May 2026. The most popular departure time for this route is 10:00AM, with 44% 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 329 per week as of May 2026. The most frequent departure day is Fri, with 19% 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.

6:51 pm - 10:06 am

PHX

SEA

15h 15m

1 stop

8:12 pm - 12:58 pm

SEA

PHX

16h 46m

1 stop

$188Frontier

Wed, May 27 - Tue, Jun 9

2:03 pm - 10:35 am

PHX

SEA

20h 32m

1 stop

7:41 pm - 11:29 pm

SEA

PHX

27h 48m

1 stop

$190Frontier

Wed, Jun 10 - Wed, Jun 24

11:32 am - 6:26 pm

PHX

SEA

6h 54m

1 stop

7:41 pm - 7:45 am

SEA

PHX

12h 04m

1 stop

$193Frontier

Tue, Jun 9 - Thu, Jun 11

7:40 pm - 6:35 pm

PHX

SEA

22h 55m

1 stop

11:21 am - 11:42 pm

SEA

PHX

12h 21m

1 stop

$194Frontier

Wed, May 27 - Wed, Jun 3

10:52 am - 1:54 pm

PHX

PAE

3h 02mnonstop

10:36 am - 1:34 pm

PAE

PHX

2h 58mnonstop

$272Alaska Airlines

Sat, Jul 4 - Tue, Jul 14

10:52 am - 1:54 pm

PHX

PAE

3h 02mnonstop

2:52 pm - 5:50 pm

PAE

PHX

2h 58mnonstop

$275Alaska Airlines

Sun, Jul 19 - Sat, Jul 25

5:35 pm - 11:55 pm

PHX

GEG

6h 20m

1 stop

7:00 am - 2:53 pm

GEG

PHX

7h 53m

1 stop

$277Delta

Tue, Jun 23 - Wed, Jul 1

8:30 pm - 11:09 pm

PHX

GEG

2h 39mnonstop

6:30 am - 9:13 am

GEG

PHX

2h 43mnonstop

$280American Airlines

Thu, Jun 4 - Wed, Jun 10

5:35 pm - 10:05 pm

PHX

GEG

4h 30m

1 stop

6:15 am - 12:40 pm

GEG

PHX

6h 25m

2 stops

$282Southwest

Wed, Aug 19 - Wed, Sep 2

3:45 pm - 10:05 pm

PHX

GEG

6h 20m

2 stops

5:45 am - 12:40 pm

GEG

PHX

6h 55m

2 stops

$287Southwest

Wed, Aug 19 - Wed, Sep 2

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

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

Southwest

May 27

PHX6:35 pmPhoenix Sky Harbor Intl

5h 20m

1 stop

SEA11:55 pmSeattle/Tacoma Intl

Jun 6

SEA6:30 amSeattle/Tacoma Intl

2h 50m

PHX9:20 amPhoenix Sky Harbor Intl

$233

Southwest

Jun 5

PHX10:45 pmPhoenix Sky Harbor Intl

2h 55m

SEA1:40 amSeattle/Tacoma Intl

Jun 9

SEA3:25 pmSeattle/Tacoma Intl

4h 50m

1 stop

PHX8:15 pmPhoenix Sky Harbor Intl

$237

Southwest

May 27

PHX6:35 pmPhoenix Sky Harbor Intl

5h 20m

1 stop

SEA11:55 pmSeattle/Tacoma Intl

Jun 6

SEA4:50 pmSeattle/Tacoma Intl

5h 00m

1 stop

PHX9:50 pmPhoenix Sky Harbor Intl

$251

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

May 27

PHX6:51 pmPhoenix Sky Harbor Intl

15h 15m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 9

SEA8:12 pmSeattle/Tacoma Intl

16h 46m

1 stop

PHX12:58 pmPhoenix Sky Harbor Intl

$188

Frontier

May 27

PHX6:51 pmPhoenix Sky Harbor Intl

15h 15m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 8

SEA8:20 pmSeattle/Tacoma Intl

14h 33m

1 stop

PHX10:53 amPhoenix Sky Harbor Intl

$189

Frontier

Jun 10

PHX2:03 pmPhoenix Sky Harbor Intl

20h 32m

1 stop

SEA10:35 amSeattle/Tacoma Intl

Jun 24

SEA7:41 pmSeattle/Tacoma Intl

27h 48m

1 stop

PHX11:29 pmPhoenix Sky Harbor Intl

$190

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 5/27

6:51 pm-10:06 am

1 stop15h 15m

Seattle/Tacoma Intl

Tue 6/9

8:12 pm-12:58 pm

1 stop16h 46m

$188

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 6/10

2:03 pm-10:35 am

1 stop20h 32m

Seattle/Tacoma Intl

Wed 6/24

7:41 pm-11:29 pm

1 stop27h 48m

$190

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 6/9

11:32 am-6:26 pm

1 stop6h 54m

Seattle/Tacoma Intl

Thu 6/11

7:41 pm-7:45 am

1 stop12h 04m

$193

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 5/27

7:40 pm-6:35 pm

1 stop22h 55m

Seattle/Tacoma Intl

Wed 6/3

11:21 am-11:42 pm

1 stop12h 21m

$194

PhoenixEverett

PHX - PAE

PHXPAE

Phoenix Sky Harbor Intl

Sat 7/4

10:52 am-1:54 pm

Nonstop3h 02m

Everett Paine Field

Tue 7/14

10:36 am-1:34 pm

Nonstop2h 58m

$272

PhoenixEverett

PHX - PAE

PHXPAE

Phoenix Sky Harbor Intl

Sun 7/19

10:52 am-1:54 pm

Nonstop3h 02m

Everett Paine Field

Sat 7/25

2:52 pm-5:50 pm

Nonstop2h 58m

$275

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Tue 6/23

5:35 pm-11:55 pm

1 stop6h 20m

Spokane

Wed 7/1

7:00 am-2:53 pm

1 stop7h 53m

$277

Quickest round-trip

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Thu 6/4

8:30 pm-11:09 pm

Nonstop2h 39m

Spokane

Wed 6/10

6:30 am-9:13 am

Nonstop2h 43m

$280

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 8/19

5:35 pm-10:05 pm

1 stop4h 30m

Spokane

Wed 9/2

6:15 am-12:40 pm

2 stops6h 25m

$282

PhoenixSpokane

PHX - GEG

PHXGEG

Phoenix Sky Harbor Intl

Wed 8/19

3:45 pm-10:05 pm

2 stops6h 20m

Spokane

Wed 9/2

5:45 am-12:40 pm

2 stops6h 55m

$287

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 August is, on average, the cheapest month to fly to State of Washington from Phoenix Sky Harbor Intl Airport, with most prices found around $174. If you aren’t able to travel to State of Washington during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $196.

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 $264. 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 $436.

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 $223. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $325 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 from Phoenix Sky Harbor Intl Airport to 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 $203 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 $176 on momondo.

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

You could potentially save up to 28% on your flight if you consider stops on a Phoenix Sky Harbor Intl Airport to State of Washington flight.

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	$153
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 $153. 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 $257.

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 May 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) (24.03% of total bookings). The next most popular plane models are Embraer 175 (18.15%), Boeing 737 MAX 8 (11.92%), and Airbus A320-100/200 (8.76%).

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 5.6 2,948 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $79	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,290 reviews	Search Southwest flights
Delta	PriceFrom $97	Free Cancellation	Rating 7.9 8,449 reviews	Search Delta flights
Alaska Airlines	PriceFrom $111	Free Cancellation	Rating 7.9 12,376 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $117	Free Cancellation	Rating 7.1 11,654 reviews	Search American Airlines flights
Allegiant Air	PriceFrom $148	Free Cancellation	Rating 7.3 709 reviews	Search Allegiant Air flights
JetBlue	PriceFrom $180	Free Cancellation	Rating 7.1 2,977 reviews	Search JetBlue 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 New Yorkfrom $83

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Flights to Las Vegasfrom $48

Flights to Washington, D.C.from $56

Flights to Bostonfrom $74

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $88

Cheap flights from Phoenix Sky Harbor Intl Airport to Washington from $87

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

Our best Southwest 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 from Phoenix Sky Harbor Intl Airport to Washington?

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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