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

Explore the cheapest one-way and round-trip flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from HK$645 and round-trip from HK$1,079. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PHX 12:16
      3h 9m
      Direct
      SEA 14:25
      Phoenix - Seattle | Wed, Nov 11 | Delta Air Lines
      SEA 07:20
      3h 1m
      Direct
      PHX 11:21
      Seattle - Phoenix | Wed, Nov 18 | Delta Air Lines
      HK$1,079 HK$1,514
      28% off
      28% off
      HK$1,514 HK$1,079
    • PHX 16:50
      3h 15m
      Direct
      SEA 19:05
      Phoenix - Seattle | Sat, Dec 5 | Delta Air Lines
      SEA 07:25
      3h 4m
      Direct
      PHX 11:29
      Seattle - Phoenix | Tue, Dec 8 | Delta Air Lines
      HK$1,079 HK$1,514
      28% off
      28% off
      HK$1,514 HK$1,079
    • PHX 17:04
      3h 13m
      Direct
      SEA 19:17
      Phoenix - Seattle | Wed, Nov 18 | Delta Air Lines
      SEA 07:15
      3h 4m
      Direct
      PHX 11:19
      Seattle - Phoenix | Tue, Nov 24 | Delta Air Lines
      HK$1,079 HK$1,514
      28% off
      28% off
      HK$1,514 HK$1,079
    • PHX 18:32
      3h 18m
      Direct
      SEA 20:50
      Phoenix - Seattle | Thu, Dec 3 | Delta Air Lines
      SEA 07:25
      3h 4m
      Direct
      PHX 11:29
      Seattle - Phoenix | Thu, Dec 10 | Delta Air Lines
      HK$1,079
      28% off
      HK$1,514 HK$1,079
    • PHX 17:50
      3h 19m
      Direct
      SEA 20:09
      Phoenix - Seattle | Thu, Nov 19 | American Airlines
      SEA 06:20
      3h 4m
      Direct
      PHX 10:24
      Seattle - Phoenix | Tue, Nov 24 | American Airlines
      HK$1,082
      28% off
      HK$1,514 HK$1,082
    • PHX 17:50
      3h 19m
      Direct
      SEA 20:09
      Phoenix - Seattle | Thu, Nov 12 | American Airlines
      SEA 06:20
      3h 4m
      Direct
      PHX 10:24
      Seattle - Phoenix | Mon, Nov 16 | American Airlines
      HK$1,083
      28% off
      HK$1,514 HK$1,083
    • PHX 08:20
      3h 31m
      Direct
      SEA 10:51
      Phoenix - Seattle | Thu, Dec 10 | American Airlines
      SEA 18:19
      3h 11m
      Direct
      PHX 22:30
      Seattle - Phoenix | Thu, Dec 17 | American Airlines
      HK$1,083
      28% off
      HK$1,514 HK$1,083
    • PHX 11:30
      3h 29m
      Direct
      SEA 13:59
      Phoenix - Seattle | Thu, Dec 3 | American Airlines
      SEA 18:19
      3h 11m
      Direct
      PHX 22:30
      Seattle - Phoenix | Thu, Dec 10 | American Airlines
      HK$1,083
      28% off
      HK$1,514 HK$1,083
    • PHX 08:20
      3h 31m
      Direct
      SEA 10:51
      Phoenix - Seattle | Wed, Dec 9 | American Airlines
      SEA 06:20
      3h 5m
      Direct
      PHX 10:25
      Seattle - Phoenix | Wed, Dec 16 | American Airlines
      HK$1,083
      28% off
      HK$1,514 HK$1,083
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
      SEA 15:00
      6h
      Direct
      PHX 16:00
      Seattle - Phoenix | Tue, Nov 3 | Normal Airline
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    • Cheapest
      PHX 19:21
      15h 24m
      1 stop
      SEA 09:45
      Phoenix - Seattle | Thu, Nov 19 | Frontier Airlines
      HK$645 HK$1,145
      44% off
      44% off
      HK$1,145 HK$645
    • PHX 20:59
      16h 38m
      1 stop
      SEA 12:37
      Phoenix - Seattle | Sat, Nov 21 | Frontier Airlines
      HK$658 HK$1,145
      43% off
      43% off
      HK$1,145 HK$658
    • PHX 15:11
      22h 26m
      1 stop
      SEA 12:37
      Phoenix - Seattle | Thu, Nov 26 | Frontier Airlines
      HK$661 HK$1,145
      42% off
      42% off
      HK$1,145 HK$661
    • PHX 06:45
      9h 58m
      1 stop
      SEA 15:43
      Phoenix - Seattle | Thu, Dec 10 | Frontier Airlines
      HK$706
      38% off
      HK$1,145 HK$706
    • PHX 10:24
      6h 19m
      1 stop
      SEA 15:43
      Phoenix - Seattle | Sun, Dec 13 | Frontier Airlines
      HK$707
      38% off
      HK$1,145 HK$707
    • PHX 11:55
      21h 21m
      1 stop
      SEA 08:16
      Phoenix - Seattle | Fri, Dec 11 | Frontier Airlines
      HK$707
      38% off
      HK$1,145 HK$707
    • PHX 06:34
      14h 30m
      1 stop
      SEA 20:04
      Phoenix - Seattle | Mon, Dec 14 | Frontier Airlines
      HK$719
      37% off
      HK$1,145 HK$719
    • PHX 08:23
      9h 47m
      1 stop
      SEA 17:10
      Phoenix - Seattle | Thu, Dec 24 | Frontier Airlines
      HK$736
      36% off
      HK$1,145 HK$736
    • PHX 15:11
      22h 26m
      1 stop
      SEA 12:37
      Phoenix - Seattle | Wed, Nov 25 | Frontier Airlines
      HK$737
      36% off
      HK$1,145 HK$737
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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    • Cheapest nonstop
      PHX 06:00
      3h 16m
      Direct
      SEA 08:16
      Phoenix - Seattle | Wed, Nov 25 | Alaska Airlines
      HK$824 HK$1,145
      28% off
      28% off
      HK$1,145 HK$824
    • PHX 13:55
      3h 19m
      Direct
      SEA 16:14
      Phoenix - Seattle | Wed, Dec 9 | Alaska Airlines
      HK$824 HK$1,145
      28% off
      28% off
      HK$1,145 HK$824
    • PHX 20:58
      3h 17m
      Direct
      SEA 23:15
      Phoenix - Seattle | Wed, Dec 9 | Alaska Airlines
      HK$824 HK$3,616
      77% off
      77% off
      HK$3,616 HK$824
    • PHX 22:40
      3h 18m
      Direct
      SEA 00:58
      Phoenix - Seattle | Mon, Jan 4 | Alaska Airlines
      HK$846
      77% off
      HK$3,616 HK$846
    • PHX 15:34
      3h 12m
      Direct
      SEA 17:46
      Phoenix - Seattle | Thu, Nov 19 | Alaska Airlines
      HK$853
      76% off
      HK$3,616 HK$853
    • PHX 07:00
      3h 20m
      Direct
      SEA 09:20
      Phoenix - Seattle | Tue, Dec 15 | Alaska Airlines
      HK$853
      76% off
      HK$3,616 HK$853
    • PHX 13:44
      3h 12m
      Direct
      SEA 15:56
      Phoenix - Seattle | Wed, Nov 18 | Alaska Airlines
      HK$862
      76% off
      HK$3,616 HK$862
    • PHX 16:48
      3h 5m
      Direct
      SEA 18:53
      Phoenix - Seattle | Wed, Nov 11 | Delta Air Lines
      HK$1,557
      77% off
      HK$6,855 HK$1,557
    • PHX 16:58
      3h 12m
      Direct
      SEA 19:10
      Phoenix - Seattle | Tue, Nov 10 | Alaska Airlines
      HK$1,937
      46% off
      HK$3,616 HK$1,937
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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    • Cheapest nonstop
      PHX 20:58
      3h 17m
      Direct
      SEA 23:15
      Phoenix - Seattle | Wed, Dec 9 | Alaska Airlines
      HK$824 HK$3,616
      77% off
      77% off
      HK$3,616 HK$824
    • PHX 22:40
      3h 18m
      Direct
      SEA 00:58
      Phoenix - Seattle | Mon, Jan 4 | Alaska Airlines
      HK$846 HK$3,616
      77% off
      77% off
      HK$3,616 HK$846
    • PHX 15:34
      3h 12m
      Direct
      SEA 17:46
      Phoenix - Seattle | Thu, Nov 19 | Alaska Airlines
      HK$853 HK$3,616
      76% off
      76% off
      HK$3,616 HK$853
    • PHX 07:00
      3h 20m
      Direct
      SEA 09:20
      Phoenix - Seattle | Tue, Dec 15 | Alaska Airlines
      HK$853
      76% off
      HK$3,616 HK$853
    • PHX 13:44
      3h 12m
      Direct
      SEA 15:56
      Phoenix - Seattle | Wed, Nov 18 | Alaska Airlines
      HK$862
      76% off
      HK$3,616 HK$862
    • PHX 16:58
      3h 12m
      Direct
      SEA 19:10
      Phoenix - Seattle | Tue, Nov 10 | Alaska Airlines
      HK$1,937
      46% off
      HK$3,616 HK$1,937
    • PHX 20:36
      3h 19m
      Direct
      SEA 22:55
      Phoenix - Seattle | Tue, Nov 3 | Delta Air Lines
      HK$1,999
      45% off
      HK$3,616 HK$1,999
    • PHX 18:36
      3h 13m
      Direct
      SEA 20:49
      Phoenix - Seattle | Mon, Nov 9 | Delta Air Lines
      HK$2,182
      40% off
      HK$3,616 HK$2,182
    • PHX 20:36
      3h 19m
      Direct
      SEA 22:55
      Phoenix - Seattle | Fri, Nov 6 | Delta Air Lines
      HK$2,185
      40% off
      HK$3,616 HK$2,185
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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    • Cheapest nonstop
      PHX 09:02
      3h 12m
      Direct
      SEA 12:14
      Phoenix - Seattle | Sat, Oct 31 | Alaska Airlines
      HK$1,941 HK$3,157
      39% off
      39% off
      HK$3,157 HK$1,941
    • PHX 12:43
      3h 12m
      Direct
      SEA 14:55
      Phoenix - Seattle | Wed, Nov 4 | Alaska Airlines
      HK$1,944 HK$3,157
      38% off
      38% off
      HK$3,157 HK$1,944
    • PHX 09:03
      3h 16m
      Direct
      SEA 11:19
      Phoenix - Seattle | Tue, Nov 3 | Alaska Airlines
      HK$1,946 HK$3,157
      38% off
      38% off
      HK$3,157 HK$1,946
    • PHX 08:15
      3h 28m
      Direct
      SEA 10:43
      Phoenix - Seattle | Wed, Nov 4 | American Airlines
      HK$1,989
      37% off
      HK$3,157 HK$1,989
    • PHX 20:36
      3h 19m
      Direct
      SEA 22:55
      Phoenix - Seattle | Tue, Nov 3 | Delta Air Lines
      HK$1,999
      37% off
      HK$3,157 HK$1,999
    • PHX 15:34
      3h 12m
      Direct
      SEA 17:46
      Phoenix - Seattle | Thu, Nov 5 | Alaska Airlines
      HK$2,101
      33% off
      HK$3,157 HK$2,101
    • PHX 15:34
      3h 12m
      Direct
      SEA 17:46
      Phoenix - Seattle | Fri, Nov 6 | Alaska Airlines
      HK$2,109
      33% off
      HK$3,157 HK$2,109
    • PHX 11:30
      3h 21m
      Direct
      SEA 13:51
      Phoenix - Seattle | Thu, Nov 5 | American Airlines
      HK$2,171
      31% off
      HK$3,157 HK$2,171
    • PHX 17:50
      3h 19m
      Direct
      SEA 20:09
      Phoenix - Seattle | Fri, Nov 6 | American Airlines
      HK$2,172
      31% off
      HK$3,157 HK$2,172
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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    • PHX 16:48
      3h 5m
      Direct
      SEA 18:53
      Phoenix - Seattle | Wed, Nov 11 | Delta Air Lines
      HK$1,557 HK$6,855
      77% off
      77% off
      HK$6,855 HK$1,557
    • PHX 16:48
      3h 5m
      Direct
      SEA 18:53
      Phoenix - Seattle | Sun, Nov 15 | Delta Air Lines
      HK$2,425 HK$6,855
      65% off
      65% off
      HK$6,855 HK$2,425
    • PHX 16:48
      3h 5m
      Direct
      SEA 18:53
      Phoenix - Seattle | Fri, Nov 27 | Delta Air Lines
      HK$4,935 HK$6,855
      28% off
      28% off
      HK$6,855 HK$4,935
    • PHX 15:34
      3h 12m
      Direct
      SEA 17:46
      Phoenix - Seattle | Thu, Nov 19 | Alaska Airlines
      HK$853
      76% off
      HK$3,616 HK$853
    • PHX 13:44
      3h 12m
      Direct
      SEA 15:56
      Phoenix - Seattle | Wed, Nov 18 | Alaska Airlines
      HK$862
      76% off
      HK$3,616 HK$862
    • PHX 16:58
      3h 12m
      Direct
      SEA 19:10
      Phoenix - Seattle | Tue, Nov 10 | Alaska Airlines
      HK$1,937
      46% off
      HK$3,616 HK$1,937
    • PHX 18:36
      3h 13m
      Direct
      SEA 20:49
      Phoenix - Seattle | Mon, Nov 9 | Delta Air Lines
      HK$2,182
      40% off
      HK$3,616 HK$2,182
    • PHX 08:40
      3h 15m
      Direct
      SEA 10:55
      Phoenix - Seattle | Wed, Nov 25 | Delta Air Lines
      HK$2,603
      28% off
      HK$3,616 HK$2,603
    • PHX 06:00
      3h 16m
      Direct
      SEA 08:16
      Phoenix - Seattle | Wed, Nov 25 | Alaska Airlines
      HK$824
      28% off
      HK$1,145 HK$824
    • PHX 13:00
      17h 25m
      1 stop
      SEA 14:00
      Phoenix - Seattle | Sun, Nov 1 | Normal Airline
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Displayed flight fares from Phoenix to Seattle 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 Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport

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

The data is based on the past 12 months and shows the average one-way ticket prices from Phoenix Sky Harbor International Airport to Seattle-Tacoma 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 Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport are usually in October, with an average price of HK$569. It is best to avoid September, when the average price can reach HK$1,636.

HK$1,636
HK$1,103
HK$569
HK$36
  • HK$569
    Oct
  • HK$1,129
    Nov
  • HK$1,273
    Dec
  • HK$1,581
    Jan
  • HK$1,203
    Feb
  • HK$1,278
    Mar
  • HK$1,296
    Apr
  • HK$1,502
    May
  • HK$1,350
    Jun
  • HK$1,470
    Jul
  • HK$1,300
    Aug
  • HK$1,636
    Sep

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

The data is based on the past 12 months and shows the average ticket prices from Phoenix Sky Harbor International Airport to Seattle-Tacoma 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 Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport is Wednesday, with average prices usually lower than other days. Avoid departing on Sunday as prices are typically highest on that day.

HK$1,864
HK$1,463
HK$1,061
HK$660
    Cheapest
  • HK$1,382
    Mon
  • HK$1,393
    Tue
  • HK$1,061
    Wed
  • HK$1,197
    Thu
  • HK$1,382
    Fri
  • HK$1,328
    Sat
  • HK$1,864
    Sun

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

The cheapest airline flying from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport is Frontier Airlines (from HK$645) among 8 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From HK$645
Alaska Airlines
From HK$824
Delta Air Lines
From HK$842
American Airlines
From HK$862
United Airlines
From HK$1,265
Hahn Air
From HK$1,650
WestJet
From HK$1,764
Air Canada
From HK$3,985

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS605

    Phoenix Sky Harbor International Airport

    06:05

    PHX

    3h 13m

    08:18

    SEA

    S M T W T F S
    Search

  2. AS793

    Phoenix Sky Harbor International Airport

    22:40

    PHX

    3h 18m

    00:58

    SEA

    S M T W T - S
    Search

  3. AS603

    Phoenix Sky Harbor International Airport

    11:46

    PHX

    3h 8m

    14:54

    SEA

    S M T W T F S
    Search

  4. F94768

    Phoenix Sky Harbor International Airport

    07:24

    PHX

    1h 52m

    Direct

    09:16

    DEN

    S M T W T F S
    Search

  5. F91175

    Denver International Airport

    13:07

    DEN

    3h 5m

    Direct

    15:12

    SEA

    S - T - T F -

  6. F91191

    Phoenix Sky Harbor International Airport

    15:21

    PHX

    2h 23m

    Direct

    16:44

    SFO

    S M T W T F S
    Search

  7. AS620

    San Francisco International Airport

    20:58

    SFO

    2h 15m

    Direct

    23:13

    SEA

    S M - W T F S

  8. F91191

    Phoenix Sky Harbor International Airport

    15:21

    PHX

    2h 23m

    Direct

    16:44

    SFO

    S M T W T F S
    Search

  9. AS068

    San Francisco International Airport

    16:21

    SFO

    2h 12m

    Direct

    18:33

    SEA

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

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

Flight distance 1,783.45km
Cheapest one-way ticket price HK$645
Cheapest return ticket price HK$1,075

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

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

    Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport takes about 2 hours 34 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 11 daily flights from Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport departs at 06:02, and the last departs at 22:30, 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 Phoenix Sky Harbor International Airport (PHX) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around HK$1,694 in November, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • American Airlines is a very popular airline operating an average of 5592 flights per month.
  • One-way flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport currently start from HK$645, and round-trip fares start from HK$1,075. The current lowest fare is a Frontier Airlines flight departing on Thu, Nov 19; prices may vary depending on availability.
  • Yes. Alaska Airlines, Delta Air Lines and American Airlines operate direct flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport, with an average flight time of 2 hours 29 minutes, and around 134 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 Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport is HK$1,402. Prices may vary depending on the departure date, airline, and availability.
  • WestJet and Condor are the most popular budget airlines flying from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport, with one-way fares starting from HK$645. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport operates around 134 weekly flights, mainly by Alaska Airlines, Delta Air Lines and American Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Phoenix Sky Harbor International Airport and Seattle-Tacoma 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.