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$61+ Cheap flights from Phoenix to Seattle (SEA)

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Phoenix to Seattle/Tacoma Intl are usually found in January or September, booked 85 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Phoenix to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Phoenix (PH1) to Seattle (SEA). 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 July 3, 2025.

Round-trip from

$104
(Kiwi.com)

One-way from

$61
(Frontier)

Popular in

March

Cheapest in

January

Average price

$206
From Phoenix to Seattle/Tacoma Intl
Search Deals
One-way flight from Phoenix to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($2 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Phoenix to Seattle

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

This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/168:17 amPHX - SEA
Nonstop3h 14mFrontier
Wed 7/3012:18 pmSEA - PHX
Nonstop3h 04mFrontier
Deal found 7/1$104
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:48 amPHX - SEA
Nonstop3h 14mMultiple Airlines
Sat 8/236:04 pmSEA - PHX
Nonstop2h 56mMultiple Airlines
Deal found 7/2$128
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:15 pmPHX - SEA
Nonstop3h 07mDelta
Tue 8/193:30 pmSEA - PHX
Nonstop3h 06mDelta
Deal found 7/3$159

Cheapflights Fare Finder

Customize your flight search to find flights from Phoenix to Seattle 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 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Phoenix to Seattle that are best for you.

Fly from

Phoenix

Fly to

Seattle

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 7/16

8:17 am-11:31 am

Nonstop3h 14m

Seattle/Tacoma Intl

Wed 7/30

12:18 pm-3:22 pm

Nonstop3h 04m

$104

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 8/16

6:48 am-10:02 am

Nonstop3h 14m

Seattle/Tacoma Intl

Sat 8/23

6:04 pm-9:00 pm

Nonstop2h 56m

$128

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 8/13

7:15 pm-10:22 pm

Nonstop3h 07m

Seattle/Tacoma Intl

Tue 8/19

3:30 pm-6:36 pm

Nonstop3h 06m

$159

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Wed 7/16

8:17 am-11:31 am

Nonstop3h 14m

$61

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 9/16

3:58 pm-7:03 pm

Nonstop3h 05m

$80

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 9/2

5:15 pm-11:10 pm

1 stop5h 55m

$89

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 7/15

5:55 am-8:55 am

Nonstop3h 00m

$105

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 8/14

7:37 pm-12:59 am

1 stop5h 22m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Phoenix to Seattle

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

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

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

The best time to book flights from Phoenix to Seattle is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $238). Flying from Phoenix to Seattle in July is currently the most expensive (average of $390). 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 PHX to SEA?

Find hourly flight availability from Phoenix to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

It’s typically best to fly out from Phoenix to Seattle at noon. Doing so could potentially save you 40% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Phoenix to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Phoenix to Seattle. Price data was last updated on June 30, 2024.

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

Weekly flight availability from Phoenix to Seattle

Explore weekly flight availability from Phoenix to Seattle. 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 July 3, 2025.

The most flights from PH1 to SEA are scheduled on a Thursday (62 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (23 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated July 3, 2025.
See what other customers who have flown with Southwest, Delta, and Hawaiian Airlines from Phoenix to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Hawaiian Airlines
7.8
Good
2,545 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Frontier
5.9
Fair
3,286 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

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

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Phoenix. On average, Seattle/Tacoma Intl has 37 inbound flights from Phoenix per day from 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    Cheapflights users have booked flights from Phoenix to Seattle round-trip from $104. Another airline that can offer you cheap pricing is Delta. Frontier is 44% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $61 on Frontier. Other airlines that offer cheap prices include Delta from $80 and Hawaiian Airlines from $84 one-way.

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

    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 Phoenix to Seattle on time: WestJet (95%), Condor (91%), KLM (89%).

  • What are the cheapest flights from Phoenix to Seattle?

    The cheapest flight price from Phoenix to Seattle is $74. On average you can expect to pay $1,382. The most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), can usually be booked for $108.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Phoenix to Seattle 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 Phoenix to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Phoenix to Seattle (average of $238). Flying from Phoenix to Seattle in July is currently the most expensive (average of $390). 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

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Lynnwood
Renton
Olympia
Shoreline
Puyallup
Cle Elum
Centralia
Kent
Federal Way
Chehalis
Kirkland
Aberdeen
Shelton

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Top 8 airlines flying from Phoenix to Seattle

Discover the top 8 airlines that operate flights from Phoenix to Seattle. 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$125FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$89Average$204FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$95Average$158FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$97Average$215FlexibilityNo cancel feeOn-time75%
DeltaCheapest$97Average$199FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$118Average$201FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$144Average$289FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$182Average$423FlexibilityNo cancel feeOn-time69%

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