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Flights from Phoenix to Seattle

Flight Info | Phoenix to Seattle

The distance between Phoenix and Seattle is approximately 1,780.78 km. It takes around 3 hours 8 minutes on average to fly from Phoenix to Seattle. Based on Trip.com's data, travel demand peaks in July. The cheapest month to book is November.

Cheapest one-way
$59
Frontier Airlines Frontier Airlines PHX-SEA 16h 5m · 1 stop Tue, Oct 6
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Cheapest round-trip
$167
Alaska Airlines Alaska Airlines PHX-SEA 3h 7m · Nonstop Tue, Aug 18 - Wed, Aug 26
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Recommended airlines
Frontier Airlines Frontier Airlines Cheapest · From $59 Alaska Airlines Alaska Airlines Most booked
When to travel
October
Cheapest
July
Peak season for travel
Route details
1,780.78 km
Flight distance
3h 8m
Average flight time

Book direct flights from Phoenix to Seattle: One way flights from $86, round trip flights from $167. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        PHX 6:53 PM
        3h 7m
        Nonstop
        SEA 10:00 PM
        Phoenix - Seattle | Tue, Aug 18 | Alaska Airlines
        SEA 9:57 AM
        3h 5m
        Nonstop
        PHX 1:02 PM
        Seattle - Phoenix | Wed, Aug 26 | Alaska Airlines
        $167 $246
        32% off
        32% off
        $246 $167
      • PHX 8:20 AM
        3h 7m
        Nonstop
        SEA 11:27 AM
        Phoenix - Seattle | Sat, Sep 19 | Alaska Airlines
        SEA 11:55 AM
        3h 15m
        Nonstop
        PHX 3:10 PM
        Seattle - Phoenix | Sat, Sep 26 | Alaska Airlines
        $170 $246
        31% off
        31% off
        $246 $170
      • PHX 2:29 PM
        3h 8m
        Nonstop
        SEA 5:37 PM
        Phoenix - Seattle | Sat, Aug 29 | Alaska Airlines
        SEA 7:21 AM
        3h 3m
        Nonstop
        PHX 10:24 AM
        Seattle - Phoenix | Mon, Aug 31 | Alaska Airlines
        $172 $246
        30% off
        30% off
        $246 $172
      • PHX 3:52 PM
        3h 7m
        Nonstop
        SEA 6:59 PM
        Phoenix - Seattle | Tue, Sep 29 | Delta Air Lines
        SEA 8:15 AM
        3h 1m
        Nonstop
        PHX 11:16 AM
        Seattle - Phoenix | Wed, Sep 30 | Delta Air Lines
        $174
        28% off
        $246 $174
      • PHX 5:42 PM
        3h 6m
        Nonstop
        SEA 8:48 PM
        Phoenix - Seattle | Thu, Aug 27 | Delta Air Lines
        SEA 8:25 AM
        2h 52m
        Nonstop
        PHX 11:17 AM
        Seattle - Phoenix | Thu, Sep 3 | Delta Air Lines
        $174
        28% off
        $246 $174
      • PHX 3:52 PM
        3h 7m
        Nonstop
        SEA 6:59 PM
        Phoenix - Seattle | Sat, Sep 19 | Delta Air Lines
        SEA 8:15 AM
        3h 1m
        Nonstop
        PHX 11:16 AM
        Seattle - Phoenix | Sat, Sep 26 | Delta Air Lines
        $174
        28% off
        $246 $174
      • PHX 9:02 AM
        3h 12m
        Nonstop
        SEA 12:14 PM
        Phoenix - Seattle | Fri, Aug 28 | Alaska Airlines
        SEA 1:42 PM
        3h
        Nonstop
        PHX 4:42 PM
        Seattle - Phoenix | Mon, Aug 31 | Alaska Airlines
        $175
        28% off
        $246 $175
      • PHX 12:12 PM
        3h 11m
        Nonstop
        SEA 3:23 PM
        Phoenix - Seattle | Sat, Aug 29 | Delta Air Lines
        SEA 8:25 AM
        2h 52m
        Nonstop
        PHX 11:17 AM
        Seattle - Phoenix | Mon, Aug 31 | Delta Air Lines
        $177
        28% off
        $246 $177
      • PHX 6:25 AM
        8h 43m
        1 stop
        SEA 3:08 PM
        Phoenix - Seattle | Tue, Sep 22 | Frontier Airlines
        SEA 4:27 PM
        7h 16m
        1 stop
        PHX 11:43 PM
        Seattle - Phoenix | Tue, Sep 29 | Frontier Airlines
        $173
        30% off
        $246 $173
      • PHX 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Phoenix - Seattle | Wed, Aug 19 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        PHX 4:00 PM
        Seattle - Phoenix | Fri, Aug 21 | Normal Airline
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      • Cheapest nonstop
        PHX 8:47 PM
        3h 10m
        Nonstop
        SEA 11:57 PM
        Phoenix - Seattle | Tue, Sep 15 | Alaska Airlines
        $86 $124
        31% off
        31% off
        $124 $86
      • PHX 5:35 PM
        3h 15m
        Nonstop
        SEA 8:50 PM
        Phoenix - Seattle | Tue, Sep 15 | Delta Air Lines
        $87 $124
        30% off
        30% off
        $124 $87
      • PHX 4:35 PM
        3h 16m
        Nonstop
        SEA 7:51 PM
        Phoenix - Seattle | Tue, Sep 15 | American Airlines
        $89 $124
        28% off
        28% off
        $124 $89
      • PHX 5:55 PM
        16h 5m
        1 stop
        SEA 10:00 AM
        Phoenix - Seattle | Tue, Oct 6 | Frontier Airlines
        $59
        52% off
        $124 $59
      • PHX 10:40 PM
        11h 20m
        1 stop
        SEA 10:00 AM
        Phoenix - Seattle | Mon, Oct 12 | Frontier Airlines
        $65
        48% off
        $124 $65
      • PHX 6:25 AM
        8h 43m
        1 stop
        SEA 3:08 PM
        Phoenix - Seattle | Tue, Sep 29 | Frontier Airlines
        $69
        44% off
        $124 $69
      • PHX 8:00 AM
        25h 42m
        1 stop
        SEA 9:42 AM
        Phoenix - Seattle | Mon, Sep 14 | Frontier Airlines
        $76
        39% off
        $124 $76
      • PHX 8:56 PM
        18h 12m
        1 stop
        SEA 3:08 PM
        Phoenix - Seattle | Mon, Sep 28 | Frontier Airlines
        $84
        32% off
        $124 $84
      • PHX 6:30 AM
        11h 15m
        1 stop
        SEA 5:45 PM
        Phoenix - Seattle | Thu, Oct 15 | Frontier Airlines
        $89
        28% off
        $124 $89
      • PHX 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Phoenix - Seattle | Wed, Aug 19 | Normal Airline
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Popular airlines from Phoenix to Seattle

You can choose from 3 airlines that fly from Phoenix to Seattle, including Alaska Airlines, Delta Air Lines, and American Airlines. Frontier Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Delta Air Lines logo Delta Air Lines
American Airlines logo American Airlines
Airlines are determined based on actual purchased flight tickets from Phoenix to Seattle according to previous 12 months data from Trip.com.

Trip.com price insights on flights from Phoenix to Seattle

Which month has the cheapest one-way flights from Phoenix to Seattle?

The average price of one-way flights from Phoenix to Seattle purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Phoenix to Seattle is October, with an average price of $120; while the month with the highest flight price is usually August, with an average price of up to $302.

$302
$211
$120
$29
    Cheapest
  • $302
    Aug
  • $140
    Sep
  • $120
    Oct
  • $143
    Nov
  • $161
    Dec
  • $200
    Jan
  • $152
    Feb
  • $161
    Mar
  • $164
    Apr
  • $190
    May
  • $170
    Jun
  • $185
    Jul

When is the cheapest day to fly from Phoenix to Seattle during Labor Day?

Data is based on the lowest one-way price from Phoenix to Seattle during Labor Day on Trip.com in the past 3 days.

Labor Day is scheduled for Sep 7. The cheapest flights from Phoenix to Seattle are available on Sep 9, with fares starting at $95.

$122
$109
$95
$82
    Cheapest
  • $122
    3
    Sep
  • $121
    4
  • $117
    5
  • $121
    6
  • $111
    7
  • $116
    8
  • $95
    9

Frequently Asked Questions

  • What are the cheapest flights from Phoenix to Seattle (PHX-SEA)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $59 on Cheapest nonstop routes (e.g. PHX to SEA on Tue, Oct 6), while Alaska Airlines offers Cheapest nonstop round-trips from $167 departing on Tue, Aug 18 and returning on Wed, Aug 26.
  • At the moment, you can catch a nonstop flight from Phoenix to Seattle with the following airlines, including: Alaska Airlines Delta Air Lines American Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 3 hours 8 minutes to fly from Phoenix (PHX) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Phoenix to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 93 flight per week flying from Phoenix to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL1570 (06:58)
  • To find best deals on flights from Phoenix to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Oct 6, with one-way flights priced at just $59.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Alaska Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Phoenix to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Phoenix to Seattle on August 19, 2026 with Alaska Airlines, with prices starting at $89.
  • You can land at any one of the following hubs in Seattle, with Phoenix Sky Harbor International Airport to Seattle-Tacoma International Airport (PHX-SEA) is by far the most common option on this route: Seattle-Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air Harbor Seaplane Base (LKE).
  • The time difference between Seattle and Phoenix is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled 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 check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Phoenix to Seattle is $161. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Phoenix to Seattle is $284. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Phoenix and Seattle, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

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

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, 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 were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled 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 check the customer support pages.