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Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport over the next 90 days, with one-way fares from £44 and round-trip from £96. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      SEA 20:58
      2h 54m
      Direct
      PHX 23:52
      Seattle - Phoenix | Sun, Nov 15 | Alaska Airlines
      PHX 22:45
      3h 10m
      Direct
      SEA 00:55
      Phoenix - Seattle | Thu, Nov 19 |
      £100 £143
      30% off
      30% off
      £143 £100
    • SEA 15:10
      2h 50m
      Direct
      PHX 18:00
      Seattle - Phoenix | Mon, Nov 16 | Alaska Airlines
      PHX 22:45
      3h 10m
      Direct
      SEA 00:55
      Phoenix - Seattle | Thu, Nov 19 |
      £101 £143
      28% off
      28% off
      £143 £101
    • SEA 08:05
      3h 3m
      Direct
      PHX 12:08
      Seattle - Phoenix | Tue, Nov 24 | Delta Air Lines
      PHX 18:36
      3h 8m
      Direct
      SEA 20:44
      Phoenix - Seattle | Tue, Dec 1 | Delta Air Lines
      £104 £143
      27% off
      27% off
      £143 £104
    • SEA 20:00
      2h 56m
      Direct
      PHX 23:56
      Seattle - Phoenix | Mon, Nov 30 | Delta Air Lines
      PHX 17:04
      3h 13m
      Direct
      SEA 19:17
      Phoenix - Seattle | Mon, Dec 7 | Delta Air Lines
      £104
      27% off
      £143 £104
    • SEA 20:15
      3h 3m
      Direct
      PHX 23:18
      Seattle - Phoenix | Mon, Nov 16 | Delta Air Lines
      PHX 20:36
      3h 19m
      Direct
      SEA 22:55
      Phoenix - Seattle | Mon, Nov 23 | Delta Air Lines
      £104
      27% off
      £143 £104
    • SEA 07:15
      3h 4m
      Direct
      PHX 11:19
      Seattle - Phoenix | Tue, Dec 1 | Delta Air Lines
      PHX 17:04
      3h 13m
      Direct
      SEA 19:17
      Phoenix - Seattle | Mon, Dec 7 | Delta Air Lines
      £104
      27% off
      £143 £104
    • SEA 12:14
      5h 12m
      1 stop
      PHX 18:26
      Seattle - Phoenix | Fri, Nov 20 | Frontier Airlines
      PHX 10:09
      6h 3m
      1 stop
      SEA 15:12
      Phoenix - Seattle | Sat, Nov 28 | Frontier Airlines
      £96
      33% off
      £143 £96
    • SEA 21:53
      25h 40m
      1 stop
      PHX 00:33
      Seattle - Phoenix | Sun, Dec 13 | Frontier Airlines
      PHX 15:10
      22h 48m
      1 stop
      SEA 12:58
      Phoenix - Seattle | Sat, Dec 19 | Frontier Airlines
      £97
      32% off
      £143 £97
    • SEA 16:27
      7h 15m
      1 stop
      PHX 00:42
      Seattle - Phoenix | Tue, Nov 24 | Frontier Airlines
      PHX 21:59
      18h 13m
      1 stop
      SEA 15:12
      Phoenix - Seattle | Fri, Nov 27 | Frontier Airlines
      £101
      28% off
      £143 £101
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
      PHX 15:00
      6h
      Direct
      SEA 16:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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    • Cheapest
      SEA 21:13
      20h 14m
      1 stop
      PHX 18:27
      Seattle - Phoenix | Fri, Nov 6 | Frontier Airlines
      £44 £102
      56% off
      56% off
      £102 £44
    • SEA 19:48
      12h 15m
      1 stop
      PHX 09:03
      Seattle - Phoenix | Wed, Nov 18 | Frontier Airlines
      £49 £102
      52% off
      52% off
      £102 £49
    • SEA 19:48
      27h 25m
      1 stop
      PHX 00:13
      Seattle - Phoenix | Thu, Nov 12 | Frontier Airlines
      £59 £102
      42% off
      42% off
      £102 £59
    • SEA 09:55
      2h 54m
      Direct
      PHX 13:49
      Seattle - Phoenix | Tue, Dec 8 | Alaska Airlines
      £60
      41% off
      £102 £60
    • SEA 13:36
      9h 15m
      1 stop
      PHX 23:51
      Seattle - Phoenix | Sun, Dec 6 | Frontier Airlines
      £61
      40% off
      £102 £61
    • SEA 20:00
      2h 59m
      Direct
      PHX 23:59
      Seattle - Phoenix | Tue, Dec 8 | Delta Air Lines
      £62
      39% off
      £102 £62
    • SEA 06:20
      3h 5m
      Direct
      PHX 10:25
      Seattle - Phoenix | Tue, Dec 8 | American Airlines
      £63
      38% off
      £102 £63
    • SEA 16:58
      6h 45m
      1 stop
      PHX 00:43
      Seattle - Phoenix | Sat, Dec 12 | Frontier Airlines
      £67
      34% off
      £102 £67
    • SEA 16:58
      6h 51m
      1 stop
      PHX 00:49
      Seattle - Phoenix | Sat, Dec 5 | Frontier Airlines
      £70
      31% off
      £102 £70
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      SEA 09:55
      2h 54m
      Direct
      PHX 13:49
      Seattle - Phoenix | Tue, Dec 8 | Alaska Airlines
      £60 £102
      41% off
      41% off
      £102 £60
    • SEA 20:00
      2h 59m
      Direct
      PHX 23:59
      Seattle - Phoenix | Tue, Dec 8 | Delta Air Lines
      £62 £102
      39% off
      39% off
      £102 £62
    • SEA 06:20
      3h 5m
      Direct
      PHX 10:25
      Seattle - Phoenix | Tue, Dec 8 | American Airlines
      £63 £102
      38% off
      38% off
      £102 £63
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Tue, Nov 17 | Alaska Airlines
      £80
      73% off
      £299 £80
    • SEA 15:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Sat, Dec 5 | Alaska Airlines
      £82
      73% off
      £299 £82
    • SEA 15:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Sat, Dec 12 | Alaska Airlines
      £94
      69% off
      £299 £94
    • SEA 07:37
      3h 3m
      Direct
      PHX 11:40
      Seattle - Phoenix | Sun, Nov 8 | Alaska Airlines
      £94
      69% off
      £299 £94
    • SEA 16:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Fri, Oct 30 | Alaska Airlines
      £103
      66% off
      £299 £103
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Wed, Nov 11 | Alaska Airlines
      £103
      66% off
      £299 £103
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Tue, Nov 17 | Alaska Airlines
      £80 £299
      73% off
      73% off
      £299 £80
    • SEA 15:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Sat, Dec 5 | Alaska Airlines
      £82 £299
      73% off
      73% off
      £299 £82
    • SEA 15:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Sat, Dec 12 | Alaska Airlines
      £94 £299
      69% off
      69% off
      £299 £94
    • SEA 07:37
      3h 3m
      Direct
      PHX 11:40
      Seattle - Phoenix | Sun, Nov 8 | Alaska Airlines
      £94
      69% off
      £299 £94
    • SEA 16:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Fri, Oct 30 | Alaska Airlines
      £103
      66% off
      £299 £103
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Wed, Nov 11 | Alaska Airlines
      £103
      66% off
      £299 £103
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Tue, Nov 10 | Alaska Airlines
      £146
      51% off
      £299 £146
    • SEA 13:40
      2h 54m
      Direct
      PHX 16:34
      Seattle - Phoenix | Sat, Oct 31 | Alaska Airlines
      £187
      37% off
      £299 £187
    • SEA 11:45
      3h 2m
      Direct
      PHX 15:47
      Seattle - Phoenix | Tue, Nov 3 | Delta Air Lines
      £192
      36% off
      £299 £192
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
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    • Cheapest nonstop
      SEA 16:59
      2h 52m
      Direct
      PHX 19:51
      Seattle - Phoenix | Fri, Oct 30 | Alaska Airlines
      £103 £299
      66% off
      66% off
      £299 £103
    • SEA 13:40
      2h 54m
      Direct
      PHX 16:34
      Seattle - Phoenix | Sat, Oct 31 | Alaska Airlines
      £187 £299
      37% off
      37% off
      £299 £187
    • SEA 08:40
      3h 1m
      Direct
      PHX 12:41
      Seattle - Phoenix | Tue, Nov 3 | Alaska Airlines
      £187 £299
      37% off
      37% off
      £299 £187
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Wed, Nov 4 | Alaska Airlines
      £191
      36% off
      £299 £191
    • SEA 11:45
      3h 2m
      Direct
      PHX 15:47
      Seattle - Phoenix | Tue, Nov 3 | Delta Air Lines
      £192
      36% off
      £299 £192
    • SEA 15:35
      2h 58m
      Direct
      PHX 19:33
      Seattle - Phoenix | Wed, Nov 4 | Delta Air Lines
      £199
      33% off
      £299 £199
    • SEA 07:27
      3h 5m
      Direct
      PHX 10:32
      Seattle - Phoenix | Thu, Oct 29 | Alaska Airlines
      £200
      33% off
      £299 £200
    • SEA 09:54
      3h 2m
      Direct
      PHX 13:56
      Seattle - Phoenix | Sun, Nov 1 | Alaska Airlines
      £201
      33% off
      £299 £201
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Mon, Nov 2 | Alaska Airlines
      £211
      28% off
      £299 £211
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
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    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Tue, Nov 10 | Alaska Airlines
      £146 £299
      51% off
      51% off
      £299 £146
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Thu, Nov 5 | Alaska Airlines
      £155 £353
      56% off
      56% off
      £353 £155
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Tue, Nov 3 | Alaska Airlines
      £187 £353
      47% off
      47% off
      £353 £187
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Wed, Nov 4 | Alaska Airlines
      £191
      46% off
      £353 £191
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Mon, Nov 9 | Alaska Airlines
      £203
      42% off
      £353 £203
    • SEA 16:59
      2h 49m
      Direct
      PHX 20:48
      Seattle - Phoenix | Mon, Nov 2 | Alaska Airlines
      £211
      40% off
      £353 £211
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Tue, Nov 17 | Alaska Airlines
      £80
      73% off
      £299 £80
    • SEA 18:59
      2h 50m
      Direct
      PHX 22:49
      Seattle - Phoenix | Wed, Nov 11 | Alaska Airlines
      £103
      66% off
      £299 £103
    • SEA 14:12
      2h 50m
      Direct
      PHX 18:02
      Seattle - Phoenix | Thu, Nov 26 | Alaska Airlines
      £257
      27% off
      £353 £257
    • SEA 13:00
      17h 25m
      1 stop
      PHX 14:00
      Seattle - Phoenix | Fri, Oct 30 | Normal Airline
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Displayed flight fares from Seattle to Phoenix are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport

What is the cheapest month to fly from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport?

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport are usually in January, with an average price of £84. It is best to avoid September, when the average price can reach £166.

£166
£125
£84
£43
    Cheapest
  • £89
    Oct
  • £96
    Nov
  • £128
    Dec
  • £84
    Jan
  • £105
    Feb
  • £112
    Mar
  • £89
    Apr
  • £144
    May
  • £134
    Jun
  • £150
    Jul
  • £159
    Aug
  • £166
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport?

The data is based on the past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport for each day of the week in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest departure day from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport is Saturday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

£142
£123
£103
£84
    Cheapest
  • £114
    Mon
  • £126
    Tue
  • £139
    Wed
  • £131
    Thu
  • £126
    Fri
  • £103
    Sat
  • £142
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport is Frontier Airlines (from £44) among 7 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From £44
Alaska Airlines
From £60
Delta Air Lines
From £62
American Airlines
From £63
Hahn Air
From £103
United Airlines
From £122
Sun Country Airlines
From £226

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What is the flight schedule from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport?

Check the schedule for flights from Seattle to Phoenix and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS632

    Seattle-Tacoma International Airport

    21:03

    SEA

    2h 56m

    23:59

    PHX

    S M T W T - S
    Search

  2. AS644

    Seattle-Tacoma International Airport

    20:02

    SEA

    2h 57m

    23:59

    PHX

    S M T W T - S
    Search

  3. AS1702

    Seattle-Tacoma International Airport

    09:40

    SEA

    3h 5m

    12:45

    PHX

    S M T W T F S
    Search

  4. DL2698

    Seattle-Tacoma International Airport

    17:40

    SEA

    2h 54m

    21:34

    PHX

    S M T W T F S
    Search

  5. AS604

    Seattle-Tacoma International Airport

    08:40

    SEA

    3h 1m

    12:41

    PHX

    S M T - - - S
    Search

  6. DL2447

    Seattle-Tacoma International Airport

    19:58

    SEA

    3h

    23:58

    PHX

    - - - W T F -
    Search

  7. AA1998

    Seattle-Tacoma International Airport

    06:20

    SEA

    3h 4m

    10:24

    PHX

    S M T - - - -
    Search

  8. F94668

    Seattle-Tacoma International Airport

    12:14

    SEA

    2h 42m

    Direct

    14:56

    LAS

    - - - - - F S
    Search

  9. F91020

    Harry Reid International Airport

    14:45

    LAS

    1h 17m

    Direct

    17:02

    PHX

    S M T W T F S

  10. F93406

    Seattle-Tacoma International Airport

    16:27

    SEA

    2h 50m

    Direct

    20:17

    DEN

    S - T - T F -
    Search

  11. F94753

    Denver International Airport

    22:29

    DEN

    2h 1m

    Direct

    00:30

    PHX

    S M T W T F S

  12. DL2508

    Seattle-Tacoma International Airport

    07:15

    SEA

    2h 52m

    Direct

    10:07

    SAN

    S M T W T F S
    Search

  13. F91572

    San Diego International Airport

    09:58

    SAN

    1h 29m

    Direct

    12:27

    PHX

    - M T - - - -
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About Seattle-Tacoma International Airport and Phoenix Sky Harbor International Airport

Learn about Seattle-Tacoma International Airport (SEA) and Phoenix Sky Harbor International Airport (PHX) — including location, terminals, transportation, and travel tips.

Flight distance 1,783.45km
Cheapest one-way ticket price £44
Cheapest return ticket price £96

FAQs for Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport Flights

  • How long is the flight from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport?

    Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport takes about 2 hours 32 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 12 daily flights from Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbor International Airport (PHX).
  • The earliest flight from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport departs at 05:15, and the last departs at 20:58, with about 30 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to Phoenix Sky Harbor International Airport (PHX) is quite popular. Without considering departure times or holidays, tickets cost around £200 in October, the most expensive month to book this route.
  • American Airlines is a very popular airline operating an average of 5233 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport currently start from £44, and round-trip fares start from £96. The current lowest fare is a Frontier Airlines flight departing on Fri, Nov 6; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and American Airlines operate direct flights from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport, with an average flight time of 2 hours 32 minutes, and around 135 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport is £140. Prices may vary depending on the departure date, airline, and availability.
  • WestJet and Condor are the most popular budget airlines flying from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport, with one-way fares starting from £44. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport operates around 135 weekly flights, mainly by Alaska Airlines, Delta Air Lines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and Phoenix Sky Harbor International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.

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Prices displayed on this page are all-inclusive (including taxes, fuel surcharges, civil aviation development fund, etc.), with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours—sometimes even in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the cancellation and change policies for each flight ticket during the booking process, including any fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply according to the airline's ticket policy.
Cancellation/change due to a flight schedule change:
If the flight schedule has changed and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please visit the customer support pages.