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Cheap flights from Seattle to Phoenix Sky Harbor Intl Airport from £61

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
20 Apr — 27 Apr1
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 Friday

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 15 April 2025.

Round-trip from

£123

One-way from

£61

Popular in

December

Cheapest in

September

Average price

£179

Good one-way deal

£247 or less
Delta
  • Delta
  • 14/5-5/6
  • Nonstop
  • 6h 05m total
  • Seattle to Phoenix
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Delta
  • Delta
  • 21/5
  • Nonstop
  • 2h 54m total
  • Seattle to Phoenix
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Highest demand for flights based on searches. 11% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 15 April 2025.

Wed 14/515:23SEA - PHX
Nonstop2h 51mDelta
Thu 5/611:09PHX - SEA
Nonstop3h 14mDelta
Deal found 14/4£123
Wed 21/507:10SEA - PHX
Nonstop2h 55mSouthwest
Wed 28/520:50PHX - SEA
Nonstop3h 00mSouthwest
Deal found 15/4£138
Fri 17/1017:15SEA - PHX
Nonstop2h 56mAlaska Airlines
Mon 27/1020:05PHX - SEA
Nonstop3h 00mAlaska Airlines
Deal found 15/4£141
Wed 14/508:13SEA - PHX
1 stop7h 36mHawaiian Airlines
Wed 21/506:00PHX - SEA
Nonstop3h 09mHawaiian Airlines
Deal found 15/4£157
Tue 29/415:24SEA - PHX
1 stop5h 53mUnited Airlines
Wed 30/410:06PHX - SEA
1 stop5h 52mUnited Airlines
Deal found 15/4£173
Fri 31/1018:16SEA - PHX
1 stop22h 28mSun Country Air
Sun 2/1100:59PHX - SEA
1 stop17h 16mSun Country Air
Deal found 15/4£242

Cheapflights Fare Finder

Customise 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 858,174 searches. Data last updated 15 April 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

Wed 14/5

09:50-12:50

Nonstop3h 00m

Phoenix Sky Harbor Intl

Tue 20/5

06:00-09:13

Nonstop3h 13m

£123

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 21/5

07:10-10:05

Nonstop2h 55m

Phoenix Sky Harbor Intl

Wed 28/5

20:50-23:50

Nonstop3h 00m

£138

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 11/9

20:55-23:55

Nonstop3h 00m

Phoenix Sky Harbor Intl

Sun 14/9

08:00-11:11

Nonstop3h 11m

£141

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 14/5

08:13-15:49

1 stop7h 36m

Phoenix Sky Harbor Intl

Wed 21/5

06:00-09:09

Nonstop3h 09m

£157

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 29/4

15:24-21:17

1 stop5h 53m

Phoenix Sky Harbor Intl

Wed 30/4

10:06-15:58

1 stop5h 52m

£173

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 21/5

21:05-23:58

Nonstop2h 53m

£61

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 11/5

15:20-08:13

1 stop16h 53m

£64

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 5/7

07:20-10:15

Nonstop2h 55m

£75

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 19/5

16:30-00:05

1 stop7h 35m

£78

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 24/8

20:55-23:55

Nonstop3h 00m

£79

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 13 results
1
2

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 return 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 return flight from Seattle to Sky Harbor Intl. Price data was last updated on 11 April 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, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of £729). Flying from Seattle to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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 15 April 2025.

When flying from Seattle to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 77% versus a flight at midday.

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 15 April 2025.

The most flights from SEA to PHX are scheduled on a Tuesday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Phoenix Sky Harbor Intl Airport ranges from 0.0 - 28.0 inches per month. July is typically the wettest month, when rainfall can reach 28.0 mm. June is typically the driest time to visit Phoenix Sky Harbor Intl Airport when rainfall is around 0.0 mm.

Temperature in Sky Harbor Intl by month

Plan your trip to Sky Harbor Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix Sky Harbor Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 35.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 13.0 C).

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 15 April 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Phoenix to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

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
9,876 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

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
4,279 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

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
7,917 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

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
8,658 reviews
Alaska Airlines
8.0
Very Good
9,876 reviews
Check prices

Comfort

7.9

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.2

Entertainment

7.1

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?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Phoenix Sky Harbor Intl from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Phoenix Sky Harbor Intl should be relatively easy as there are 51 daily outbound flights to Phoenix Sky Harbor Intl from 0 different airlines.

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

    Our cheapest airline available from Seattle to Phoenix Sky Harbor Intl Airport is Delta. Our recent data shows that you can find tickets from as low as £123 on this airline. Additional options worth looking into are Southwest and Alaska Airlines, starting at £138 and £141 round-trip. Delta is priced at 20% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as £61. However, be on the lookout for offers from Spirit Airlines and Delta, as they are both options that can get you from Seattle to Phoenix Sky Harbor Intl Airport for a low price.

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

    The top 3 most reliable airlines when flying from Seattle to Phoenix Sky Harbor Intl Airport are Envoy Air (100%), LATAM Airlines (100%) and Air France (95%).

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

    Looking for the cheapest flight from Seattle to Phoenix Sky Harbor Intl Airport? While on average our users pay £247, our data indicates the cheapest price to be £209. The most popular route (Seattle/Tacoma Intl - Phoenix Sky Harbor Intl), is priced around £319.

  • 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 holiday 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, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of £729). Flying from Seattle to Phoenix Sky Harbor Intl Airport in July is currently the most expensive (average of £1,041). 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

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