Trip.com
>
Flights
>
United States
>
Washington
>
Flights to Seattle
>
Phoenix to Seattle flight
>
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 € 71 and round-trip from € 114. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PHX 06:55
        3h 10m
        Direct
        SEA 10:05
        Phoenix - Seattle | Mon, Oct 12 | Delta Air Lines
        SEA 07:27
        3h 5m
        Direct
        PHX 10:32
        Seattle - Phoenix | Thu, Oct 15 | Alaska Airlines
        € 134 € 532
        75% off
        75% off
        € 532 € 134
      • PHX 06:40
        3h 20m
        Direct
        SEA 10:00
        Phoenix - Seattle | Sat, Nov 7 | Delta Air Lines
        SEA 15:35
        3h
        Direct
        PHX 18:35
        Seattle - Phoenix | Sun, Nov 8 | Delta Air Lines
        € 135 € 532
        75% off
        75% off
        € 532 € 135
      • PHX 09:15
        5h 57m
        1 stop
        SEA 15:12
        Phoenix - Seattle | Wed, Nov 11 | Frontier Airlines
        SEA 12:14
        5h 12m
        1 stop
        PHX 18:26
        Seattle - Phoenix | Sun, Nov 15 | Frontier Airlines
        € 114 € 532
        79% off
        79% off
        € 532 € 114
      • PHX 07:15
        8h 57m
        1 stop
        SEA 15:12
        Phoenix - Seattle | Sun, Nov 15 | Frontier Airlines
        SEA 16:27
        7h 15m
        1 stop
        PHX 00:42
        Seattle - Phoenix | Wed, Nov 18 | Frontier Airlines
        € 121
        77% off
        € 532 € 121
      • PHX 09:15
        5h 53m
        1 stop
        SEA 15:08
        Phoenix - Seattle | Sat, Oct 17 | Frontier Airlines
        SEA 21:45
        20h 48m
        1 stop
        PHX 18:33
        Seattle - Phoenix | Sun, Oct 18 | Frontier Airlines
        € 122
        77% off
        € 532 € 122
      • PHX 21:20
        11h 38m
        1 stop
        SEA 08:58
        Phoenix - Seattle | Sun, Oct 25 | Frontier Airlines
        SEA 16:27
        7h 21m
        1 stop
        PHX 23:48
        Seattle - Phoenix | Sun, Nov 1 | Frontier Airlines
        € 124
        77% off
        € 532 € 124
      • PHX 16:13
        3h 8m
        Direct
        SEA 19:21
        Phoenix - Seattle | Mon, Oct 12 | Alaska Airlines
        SEA 16:27
        7h 16m
        1 stop
        PHX 23:43
        Seattle - Phoenix | Fri, Oct 16 | Frontier Airlines
        € 124
        77% off
        € 532 € 124
      • PHX 06:02
        3h 10m
        Direct
        SEA 09:12
        Phoenix - Seattle | Wed, Oct 28 | Alaska Airlines
        SEA 16:27
        7h 21m
        1 stop
        PHX 23:48
        Seattle - Phoenix | Sat, Oct 31 | Frontier Airlines
        € 126
        76% off
        € 532 € 126
      • PHX 06:02
        3h 10m
        Direct
        SEA 09:12
        Phoenix - Seattle | Tue, Oct 27 | Alaska Airlines
        SEA 16:27
        7h 21m
        1 stop
        PHX 23:48
        Seattle - Phoenix | Fri, Oct 30 | Frontier Airlines
        € 126
        76% off
        € 532 € 126
      • PHX 18:35
        3h 16m
        Direct
        SEA 21:51
        Phoenix - Seattle | Wed, Oct 28 | Delta Air Lines
        SEA 16:27
        7h 21m
        1 stop
        PHX 23:48
        Seattle - Phoenix | Sat, Oct 31 | Frontier Airlines
        € 127
        76% off
        € 532 € 127
      • PHX 17:15
        3h 14m
        Direct
        SEA 20:29
        Phoenix - Seattle | Mon, Oct 12 | American Airlines
        SEA 16:27
        7h 16m
        1 stop
        PHX 23:43
        Seattle - Phoenix | Fri, Oct 16 | Frontier Airlines
        € 129
        76% off
        € 532 € 129
      • PHX 10:30
        3h 17m
        Direct
        SEA 13:47
        Phoenix - Seattle | Wed, Oct 28 | American Airlines
        SEA 16:27
        7h 21m
        1 stop
        PHX 23:48
        Seattle - Phoenix | Sat, Oct 31 | Frontier Airlines
        € 129
        76% off
        € 532 € 129
      • PHX 19:38
        13h 20m
        1 stop
        SEA 08:58
        Phoenix - Seattle | Wed, Oct 21 | Frontier Airlines
        SEA 21:16
        18h 13m
        1 stop
        PHX 15:29
        Seattle - Phoenix | Fri, Oct 23 | Frontier Airlines
        € 388
        27% off
        € 532 € 388
      • PHX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Phoenix - Seattle | Fri, Oct 9 | Normal Airline
        SEA 15:00
        6h
        Direct
        PHX 16:00
        Seattle - Phoenix | Sun, Oct 11 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        PHX 11:32
        3h 12m
        Direct
        SEA 14:44
        Phoenix - Seattle | Tue, Nov 3 | Alaska Airlines
        € 88 € 122
        28% off
        28% off
        € 122 € 88
      • PHX 17:35
        3h 14m
        Direct
        SEA 20:49
        Phoenix - Seattle | Tue, Nov 3 | Delta Air Lines
        € 89 € 122
        27% off
        27% off
        € 122 € 89
      • PHX 12:25
        6h 20m
        1 stop
        SEA 18:45
        Phoenix - Seattle | Mon, Nov 2 | Frontier Airlines
        € 71 € 122
        42% off
        42% off
        € 122 € 71
      • PHX 14:00
        5h 54m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Sun, Nov 29 | Frontier Airlines
        € 72
        41% off
        € 122 € 72
      • PHX 09:15
        5h 57m
        1 stop
        SEA 15:12
        Phoenix - Seattle | Wed, Nov 11 | Frontier Airlines
        € 77
        37% off
        € 122 € 77
      • PHX 14:00
        5h 54m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Sat, Nov 28 | Frontier Airlines
        € 80
        34% off
        € 122 € 80
      • PHX 20:59
        18h 13m
        1 stop
        SEA 15:12
        Phoenix - Seattle | Sat, Nov 7 | Frontier Airlines
        € 81
        34% off
        € 122 € 81
      • PHX 12:26
        7h 28m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Fri, Nov 27 | Frontier Airlines
        € 82
        33% off
        € 122 € 82
      • PHX 14:00
        5h 54m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Sat, Nov 14 | Frontier Airlines
        € 82
        33% off
        € 122 € 82
      • PHX 14:00
        5h 54m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Sun, Nov 22 | Frontier Airlines
        € 82
        33% off
        € 122 € 82
      • PHX 12:26
        7h 28m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Tue, Nov 24 | Frontier Airlines
        € 83
        32% off
        € 122 € 83
      • PHX 12:26
        7h 28m
        1 stop
        SEA 18:54
        Phoenix - Seattle | Wed, Nov 18 | Frontier Airlines
        € 85
        30% off
        € 122 € 85
      • PHX 19:38
        15h 21m
        1 stop
        SEA 10:59
        Phoenix - Seattle | Fri, Nov 6 | Frontier Airlines
        € 87
        28% off
        € 122 € 87
      • PHX 19:21
        15h 24m
        1 stop
        SEA 09:45
        Phoenix - Seattle | Sun, Nov 15 | Frontier Airlines
        € 87
        28% off
        € 122 € 87
      • PHX 13:00
        17h 25m
        1 stop
        SEA 14:00
        Phoenix - Seattle | Fri, Oct 9 | Normal Airline
        Find more flights
        Find more flights

Flight prices from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

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

Which month has the cheapest one-way flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport?

The data is based on Trip.com data from the past 12 months and shows the average one-way fares by month from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport.

Based on Trip.com 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 € 110. September sees the highest fares, around € 184.

€ 184
€ 147
€ 110
€ 73
  • € 110
    Oct
  • € 127
    Nov
  • € 144
    Dec
  • € 178
    Jan
  • € 136
    Feb
  • € 144
    Mar
  • € 146
    Apr
  • € 169
    May
  • € 152
    Jun
  • € 166
    Jul
  • € 147
    Aug
  • € 184
    Sep

Which day of the week has the cheapest flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport?

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

Based on Trip.com data from the past 12 months, the cheapest day for flights from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport is Wednesday, with average prices lower than other days. Try to avoid departing on Sunday, as fares are typically the highest.

€ 197
€ 157
€ 117
€ 77
    Cheapest
  • € 150
    Mon
  • € 149
    Tue
  • € 117
    Wed
  • € 134
    Thu
  • € 148
    Fri
  • € 144
    Sat
  • € 197
    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 € 71) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From € 71
Alaska Airlines
From € 88
Delta Air Lines
From € 89
American Airlines
From € 93
Hahn Air
From € 133
United Airlines
From € 134

Find more flights and airlines

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. DL2444

    Phoenix Sky Harbor International Airport

    06:00

    PHX

    3h 18m

    09:18

    SEA

    S M T W T F S
    Search

  2. DL2449

    Phoenix Sky Harbor International Airport

    15:59

    PHX

    3h 6m

    19:05

    SEA

    S M T W T F S
    Search

  3. AS611

    Phoenix Sky Harbor International Airport

    13:44

    PHX

    3h 12m

    15:56

    SEA

    S M T W T F S
    Search

  4. AS605

    Phoenix Sky Harbor International Airport

    06:02

    PHX

    3h 10m

    09:12

    SEA

    S M T W T F S
    Search

  5. AS603

    Phoenix Sky Harbor International Airport

    11:46

    PHX

    3h 23m

    14:09

    SEA

    S M T W T F S
    Search

  6. DL2442

    Phoenix Sky Harbor International Airport

    17:40

    PHX

    3h 9m

    20:49

    SEA

    S M T W T F S
    Search

  7. DL2374

    Phoenix Sky Harbor International Airport

    08:45

    PHX

    4h 21m

    12:06

    SEA

    S M T W T F S
    Search

  8. F91061

    Phoenix Sky Harbor International Airport

    17:29

    PHX

    1h 27m

    Direct

    17:56

    LAX

    S M T W T F S
    Search

  9. F91177

    Los Angeles International Airport

    17:38

    LAX

    3h

    Direct

    20:38

    SEA

    S M T W T F S

  10. F93303

    Phoenix Sky Harbor International Airport

    06:51

    PHX

    1h 29m

    Direct

    07:20

    LAX

    - - - - - - S
    Search

  11. F91177

    Los Angeles International Airport

    17:38

    LAX

    3h

    Direct

    20:38

    SEA

    S M T W T F S

  12. F94768

    Phoenix Sky Harbor International Airport

    07:25

    PHX

    1h 58m

    Direct

    09:23

    DEN

    S M T W T F S
    Search

  13. F91175

    Denver International Airport

    13:07

    DEN

    3h 5m

    Direct

    15:12

    SEA

    S M T W T F S
Find more flights and airlines

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 € 71
Cheapest return ticket price € 114

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 40 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 12 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 21:55, with about 31 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 € 215 in October, the most expensive month to book this route.
  • The earliest flight departs from Phoenix Sky Harbor International Airport (PHX) at 06:00 and arrives in Seattle-Tacoma International Airport (SEA) at 08:17.
  • The latest flight departs from Phoenix Sky Harbor International Airport (PHX) at 21:40 and arrives in Seattle-Tacoma International Airport (SEA) at 23:59.
    • 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 € 71, and round-trip fares start from € 114. The current lowest fare is a Frontier Airlines flight departing on Mon, Nov 2; 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 38 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 Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport is € 164. Prices may vary depending on the departure date, airline, and availability.
  • Condor and Westjet are the most popular budget airlines flying from Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport, with one-way fares starting from € 71. 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 138 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.

Popular Destinations & Recommendations

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

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to 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 based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.