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Cheap flights from Seattle to Phoenix Sky Harbor Intl Airport from C$ 109

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
8 Jul — 15 Jul1
1 adult

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl are usually found in September or August, booked 78 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from Seattle to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2025.

Round-trip from

C$ 149

One-way from

C$ 109

Popular in

December

Cheapest in

September

Average price

C$ 249

Good round-trip deal

C$ 159 or less

Good one-way deal

C$ 134 or less
Frontier
  • Frontier
  • 1/8-3/8
  • Nonstop
  • 6h 20m total
  • Seattle to Phoenix
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Hawaiian Airlines
  • Hawaiian Airlines
  • 27/8
  • Nonstop
  • 3h 04m total
  • Seattle to Phoenix
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl.
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Find flight deals from Seattle to Sky Harbor Intl

Cheapest flights from Seattle to Sky Harbor Intl
Explore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Fri 1/812:13 p.m.SEA - PHX
Nonstop3h 04mFrontier
Sun 3/82:02 p.m.PHX - SEA
Nonstop3h 16mFrontier
Deal found 1/7C$ 149
Wed 13/89:54 a.m.SEA - PHX
Nonstop3h 01mAlaska Airlines
Wed 13/83:47 p.m.PHX - SEA
Nonstop3h 05mAlaska Airlines
Deal found 1/7C$ 209
Wed 10/911:40 a.m.SEA - PHX
Nonstop3h 11mDelta
Wed 17/911:10 a.m.PHX - SEA
Nonstop3h 13mDelta
Deal found 3/7C$ 217
Tue 19/85:25 p.m.SEA - PHX
1 stop5h 05mSouthwest
Wed 27/89:05 p.m.PHX - SEA
Nonstop3h 00mSouthwest
Deal found 1/7C$ 230
Sun 3/86:00 a.m.SEA - PHX
Nonstop3h 00mHawaiian Airlines
Thu 7/86:00 a.m.PHX - SEA
Nonstop3h 04mHawaiian Airlines
Deal found 2/7C$ 255
Sat 26/75:10 a.m.SEA - PHX
1 stop5h 38mUnited Airlines
Wed 30/74:13 p.m.PHX - SEA
1 stop6h 03mUnited Airlines
Deal found 2/7C$ 296

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 629,999 searches. Data last updated 3 July 2025.
Use the filters below to find and compare flights from Seattle to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Seattle

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 1/8

12:13 p.m.-3:17 p.m.

Nonstop3h 04m

Phoenix Sky Harbor Intl

Sun 3/8

2:02 p.m.-5:18 p.m.

Nonstop3h 16m

C$ 149

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 13/8

9:54 a.m.-12:55 p.m.

Nonstop3h 01m

Phoenix Sky Harbor Intl

Wed 13/8

3:47 p.m.-6:52 p.m.

Nonstop3h 05m

C$ 209

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 10/9

7:30 p.m.-10:31 p.m.

Nonstop3h 01m

Phoenix Sky Harbor Intl

Tue 16/9

1:50 p.m.-4:56 p.m.

Nonstop3h 06m

C$ 217

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 19/8

5:25 p.m.-10:30 p.m.

1 stop5h 05m

Phoenix Sky Harbor Intl

Wed 27/8

9:05 p.m.-12:05 a.m.

Nonstop3h 00m

C$ 230

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 25/9

12:25 p.m.-7:17 p.m.

1 stop6h 52m

Phoenix Sky Harbor Intl

Sun 28/9

7:00 a.m.-2:26 p.m.

1 stop7h 26m

C$ 294

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 26/7

5:10 a.m.-10:48 a.m.

1 stop5h 38m

Phoenix Sky Harbor Intl

Wed 30/7

4:13 p.m.-10:16 p.m.

1 stop6h 03m

C$ 296

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 27/8

9:50 a.m.-12:54 p.m.

Nonstop3h 04m

C$ 109

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 28/9

7:20 a.m.-10:18 a.m.

Nonstop2h 58m

C$ 114

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 27/8

9:55 a.m.-4:55 p.m.

1 stop7h 00m

C$ 121

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 13/8

8:00 a.m.-1:16 p.m.

1 stop5h 16m

C$ 134

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 12 results
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Best time to book a flight from Seattle to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Seattle 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 Seattle to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Seattle to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Sky Harbor Intl. Price data was last updated on 27 June 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Phoenix Sky Harbor Intl Airport, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of C$ 247). Flying from Seattle to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 317). 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 SEA to PHX?

Find hourly flight availability from Seattle 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 3 July 2025.

It’s typically best to fly out from Seattle to Phoenix Sky Harbor Intl Airport in the evening. Doing so could potentially save you 41% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Seattle to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Sky Harbor Intl. Price data was last updated on 29 June 2025.

Travelers seeking maximum savings on their Seattle to Phoenix Sky Harbor Intl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Phoenix Sky Harbor Intl Airport

Explore weekly flight availability from Seattle 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 3 July 2025.

The most flights from SEA to PHX are scheduled on a Thursday (57 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (15 on average).

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sky Harbor Intl. Reviews last updated 3 July 2025.
Read through reviews of airlines operating flights from Seattle to Phoenix Sky Harbor Intl Airport, such as Alaska Airlines,Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle 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.

  • What airport do you fly from for flights from Seattle to Phoenix Sky Harbor Intl?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Phoenix Sky Harbor Intl. On average, Seattle/Tacoma Intl has 30 outbound flights to Phoenix Sky Harbor Intl per day from 5 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • What are the cheapest airlines flying from Seattle to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Seattle to Phoenix Sky Harbor Intl Airport round-trip from C$ 149. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 209, and Delta, from C$ 217. Users have found that Frontier is 47% cheaper than the other options available to this destination.

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

    C$ 109 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from C$ 114 and C$ 121, respectively.

  • What are the most reliable airlines from Seattle to Phoenix Sky Harbor Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Phoenix Sky Harbor Intl Airport on time: Air France (93%), WestJet (89%), Virgin Atlantic (88%).

  • What are the cheapest flights from Seattle to Phoenix Sky Harbor Intl Airport?

    The cheapest flight price from Seattle to Phoenix Sky Harbor Intl Airport is C$ 134. On average you can expect to pay C$ 256. The most popular route, (Seattle/Tacoma Intl - Phoenix Sky Harbor Intl), can usually be booked for C$ 187.

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

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

  • How can I find direct flights from Seattle 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 Seattle to Sky Harbor Intl.

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Phoenix Sky Harbor Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of C$ 247). Flying from Seattle to Phoenix Sky Harbor Intl Airport in March is currently the most expensive (average of C$ 317). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Wickenburg
Litchfield Park
Peoria
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Alternative routes for Seattle to Sky Harbor Intl

See prices for flight routes from nearby airports that may be better suited for you.
Bellingham to Sky Harbor Intl flights
Spokane to Sky Harbor Intl flights
Bellingham to Phoenix-Mesa Gateway flights

Top 5 airlines flying from Seattle to Sky Harbor Intl

Discover the top 5 airlines that operate flights from Seattle 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 629,999 searches. Data last updated 3 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 63AverageC$ 165FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 100AverageC$ 242FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 131AverageC$ 352FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
SouthwestCheapestC$ 168AverageC$ 341FlexibilityNo cancel feeOn-time63%
Search Southwest flights
American AirlinesCheapestC$ 188AverageC$ 363FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Sky Harbor Intl?

Cheapflights helps you search for flights from Seattle to Sky Harbor Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Sky Harbor Intl?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Sky Harbor Intl for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Seattle to Sky Harbor Intl with no change fees?

Yes, we can. To see specific flights from Seattle to Sky Harbor Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Sky Harbor Intl become cheaper?

Yes! Start tracking prices for Seattle to Sky Harbor Intl flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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