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Cheap flights from Seattle to Phoenix from C$ 121

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
17 Mar — 24 Mar1
1 adult

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

Cheap flight deals from Seattle to Phoenix

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Phoenix (PH1). 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 12 March 2025.

Round-trip from

C$ 157

One-way from

C$ 121

Popular in

December

Cheapest in

September

Average price

C$ 344
Frontier
  • Frontier
  • 1/5-4/5
  • Nonstop
  • 6h 18m total
  • Seattle to Phoenix
Search Deals
Hawaiian Airlines
  • Hawaiian Airlines
  • 15/6
  • Nonstop
  • 3h 00m total
  • Seattle to Phoenix
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
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Find flight deals from Seattle to Phoenix

Cheapest flights from Seattle to Phoenix
Explore the most affordable flight options available from Seattle to Phoenix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 March 2025.

Thu 1/59:42 p.m.SEA - PHX
Nonstop3h 02mFrontier
Sun 4/56:00 a.m.PHX - SEA
Nonstop3h 16mFrontier
Deal found 12/3C$ 157
Tue 1/47:55 a.m.SEA - PHX
Nonstop2h 58mAlaska Airlines
Tue 1/41:59 p.m.PHX - SEA
Nonstop3h 09mAlaska Airlines
Deal found 11/3C$ 233
Wed 23/45:45 p.m.SEA - PHX
Nonstop2h 52mDelta
Tue 29/48:50 a.m.PHX - SEA
Nonstop3h 19mDelta
Deal found 12/3C$ 241
Fri 18/47:51 p.m.SEA - PHX
Nonstop3h 00mMultiple Airlines
Mon 21/47:49 p.m.PHX - SEA
Nonstop3h 11mMultiple Airlines
Deal found 11/3C$ 265
Wed 9/47:35 a.m.SEA - PHX
2 stops7h 40mSouthwest
Wed 16/48:50 p.m.PHX - SEA
Nonstop3h 00mSouthwest
Deal found 12/3C$ 291
Sun 13/49:18 p.m.SEA - PHX
Nonstop2h 54mHawaiian Airlines
Sat 19/45:15 a.m.PHX - SEA
Nonstop3h 10mHawaiian Airlines
Deal found 12/3C$ 300
Tue 8/412:45 p.m.SEA - PHX
1 stop5h 58mUnited Airlines
Tue 15/410:35 a.m.PHX - SEA
2 stops8h 02mUnited Airlines
Deal found 11/3C$ 323
Fri 31/106:16 p.m.SEA - PHX
1 stop22h 28mSun Country Air
Sun 2/1112:59 a.m.PHX - SEA
1 stop17h 16mSun Country Air
Deal found 12/3C$ 461
Mon 17/312:41 p.m.SEA - PHX
1 stop24h 36mSpirit Airlines
Mon 24/34:02 p.m.PHX - SEA
1 stop16h 41mSpirit Airlines
Deal found 12/3C$ 553

Find flights from Seattle to Phoenix within your budget

Customize your flight search to find flights from Seattle to Phoenix 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 12 March 2025.

Fly from

Seattle

Fly to

Phoenix

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 1/5

9:42 p.m.-12:44 a.m.

Nonstop3h 02m

Phoenix Sky Harbor Intl

Sun 4/5

6:00 a.m.-9:16 a.m.

Nonstop3h 16m

C$ 157

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 1/4

7:55 a.m.-10:53 a.m.

Nonstop2h 58m

Phoenix Sky Harbor Intl

Tue 1/4

1:59 p.m.-5:08 p.m.

Nonstop3h 09m

C$ 233

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 2/4

2:59 p.m.-5:51 p.m.

Nonstop2h 52m

Phoenix Sky Harbor Intl

Sat 5/4

5:15 a.m.-8:25 a.m.

Nonstop3h 10m

C$ 264

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 18/4

7:51 p.m.-10:51 p.m.

Nonstop3h 00m

Phoenix Sky Harbor Intl

Mon 21/4

7:49 p.m.-11:00 p.m.

Nonstop3h 11m

C$ 265

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 1/4

7:10 a.m.-10:08 a.m.

Nonstop2h 58m

Phoenix Sky Harbor Intl

Tue 8/4

6:00 a.m.-9:16 a.m.

Nonstop3h 16m

C$ 271

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 9/4

7:35 a.m.-3:15 p.m.

2 stops7h 40m

Phoenix Sky Harbor Intl

Wed 16/4

8:50 p.m.-11:50 p.m.

Nonstop3h 00m

C$ 291

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 8/4

12:45 p.m.-6:43 p.m.

1 stop5h 58m

Phoenix Sky Harbor Intl

Tue 15/4

10:35 a.m.-6:37 p.m.

2 stops8h 02m

C$ 323

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 15/6

6:00 a.m.-9:00 a.m.

Nonstop3h 00m

C$ 121

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 26/3

11:29 a.m.-2:22 p.m.

Nonstop2h 53m

C$ 151

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 5/5

2:33 p.m.-7:19 p.m.

1 stop4h 46m

C$ 156

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 14 results
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Best time to book a flight from Seattle to Phoenix

Have a flexible travel schedule? Discover the best time to fly to Phoenix 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.

Travel insights for flights from Seattle to Phoenix

Get recent, data-driven insights about flights from Seattle to Phoenix including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Seattle to Phoenix?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Phoenix. Price data was last updated on 7 March 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Phoenix. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Seattle to Phoenix?

Currently, September is the cheapest month in which you can book a flight from Seattle to Phoenix (average of C$ 247). Flying from Seattle to Phoenix in May is currently the most expensive (average of C$ 339). 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 Phoenix. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 March 2025.

It’s typically best to fly out from Seattle to Phoenix in the evening. Doing so could potentially save you 36% 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?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Phoenix. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Seattle to Phoenix flight should consider departing on Wednesday 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

Explore weekly flight availability from Seattle to Phoenix. 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 12 March 2025.

The most flights from SEA to PH1 are scheduled on a Monday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in Phoenix by month

Plan your trip to Phoenix by taking into account the average rainfall totals by month.

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

Temperature in Phoenix by month

Plan your trip to Phoenix by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Phoenix, 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 Phoenix

Get insights into the airlines that provide service to Phoenix. 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 Phoenix. Reviews last updated 12 March 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Seattle to Phoenix by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,296 reviews
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,735 reviews
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
7,953 reviews
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Hawaiian Airlines
7.9
Good
2,320 reviews
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,623 reviews
Southwest
8.1
Very good
4,296 reviews
Check prices

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Phoenix. 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?

    For a flight from Seattle to Phoenix, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 18.4 km from the centre of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 50 outbound flights to Phoenix per day. 5 airlines have flights to Phoenix from Seattle/Tacoma Intl on a regular basis.

  • What are the cheapest airlines flying from Seattle to Phoenix round-trip?

    Frontier, at C$ 157, was found to be the cheapest airline from Seattle to Phoenix.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. These flights start at 46% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Phoenix one-way?

    C$ 121 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 Alaska Airlines, with prices starting from C$ 151 and C$ 156, respectively.

  • What are the most reliable airlines from Seattle to Phoenix?

    The top 3 most reliable airlines when flying from Seattle to Phoenix are Horizon Air (100%), Envoy Air (95%) and KLM (94%).

  • What are the cheapest flights from Seattle to Phoenix?

    On average you can expect to pay C$ 225 for a flight from Seattle to Phoenix. The cheapest flight overall is C$ 83 while the most popular route, (Seattle/Tacoma Intl - Phoenix Sky Harbor Intl) is currently priced at C$ 174.

  • Can I find deals for flights from Seattle to Phoenix that include hotel bookings?

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

  • How can I find direct flights from Seattle to Phoenix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Phoenix.

  • Can I find deals for business class flights from Seattle to Phoenix?

    Yes. Cheapflights offers flight deals from Seattle to Phoenix 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?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Phoenix (average of C$ 247). Flying from Seattle to Phoenix in May is currently the most expensive (average of C$ 339). 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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Top 5 airlines flying from Seattle to Phoenix

Discover the top 5 airlines that operate flights from Seattle to Phoenix. 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 12 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 69AverageC$ 169FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 106AverageC$ 258FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 168AverageC$ 376FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
SouthwestCheapestC$ 177AverageC$ 349FlexibilityNo cancel feeOn-time63%
Search Southwest flights
American AirlinesCheapestC$ 208AverageC$ 384FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to Phoenix?

Cheapflights makes it easy to find Seattle to Phoenix flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Phoenix?

Cheapflights simply makes it quick and affordable to book flights from Seattle to Phoenix by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Seattle to Phoenix with no change fees?

Need flexible booking options for your flight to Phoenix from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Phoenix become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Phoenix flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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