Trip.com
>
Flights
>
Flights to United States
>
Flights to Arizona
>
Flights to Phoenix
Hotels in Phoenix
>
Flights from Seattle to Phoenix

Book direct flights from Seattle to Phoenix: One way flights from $76, round trip flights from $150. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SEA 9:03 PM
        2h 56m
        Nonstop
        PHX 11:59 PM
        Seattle - Phoenix | Thu, Jun 4 | Alaska Airlines
        PHX 6:00 AM
        3h 14m
        Nonstop
        SEA 9:14 AM
        Phoenix - Seattle | Mon, Jun 8 | Alaska Airlines
        $150 $204
        26% off
        26% off
        $204 $150
      • SEA 5:58 PM
        3h
        Nonstop
        PHX 8:58 PM
        Seattle - Phoenix | Sat, Jun 6 | Alaska Airlines
        PHX 5:33 PM
        3h 9m
        Nonstop
        SEA 8:42 PM
        Phoenix - Seattle | Fri, Jun 12 | Delta Air Lines
        $151 $204
        26% off
        26% off
        $204 $151
      • SEA 8:40 AM
        2h 56m
        Nonstop
        PHX 11:36 AM
        Seattle - Phoenix | Sat, Jun 6 | Delta Air Lines
        PHX 5:33 PM
        3h 9m
        Nonstop
        SEA 8:42 PM
        Phoenix - Seattle | Fri, Jun 12 | Delta Air Lines
        $152 $204
        25% off
        25% off
        $204 $152
      • SEA 8:40 AM
        2h 56m
        Nonstop
        PHX 11:36 AM
        Seattle - Phoenix | Thu, Jun 4 | Delta Air Lines
        PHX 5:33 PM
        3h 9m
        Nonstop
        SEA 8:42 PM
        Phoenix - Seattle | Mon, Jun 8 | Delta Air Lines
        $152
        25% off
        $204 $152
      • SEA 1:33 PM
        3h 7m
        Nonstop
        PHX 4:40 PM
        Seattle - Phoenix | Mon, May 18 | Delta Air Lines
        PHX 12:30 PM
        3h 11m
        Nonstop
        SEA 3:41 PM
        Phoenix - Seattle | Thu, May 21 | Delta Air Lines
        $155
        24% off
        $204 $155
      • SEA 6:30 PM
        2h 59m
        Nonstop
        PHX 9:29 PM
        Seattle - Phoenix | Thu, Jul 9 | Delta Air Lines
        PHX 12:06 PM
        3h 14m
        Nonstop
        SEA 3:20 PM
        Phoenix - Seattle | Sun, Jul 12 | Delta Air Lines
        $157
        23% off
        $204 $157
      • SEA 8:13 PM
        3h 3m
        Nonstop
        PHX 11:16 PM
        Seattle - Phoenix | Fri, Jun 5 | Delta Air Lines
        PHX 3:51 PM
        3h 9m
        Nonstop
        SEA 7:00 PM
        Phoenix - Seattle | Fri, Jun 12 | Delta Air Lines
        $158
        23% off
        $204 $158
      • SEA 8:14 AM
        2h 58m
        Nonstop
        PHX 11:12 AM
        Seattle - Phoenix | Thu, Jun 11 | Delta Air Lines
        PHX 3:51 PM
        3h 9m
        Nonstop
        SEA 7:00 PM
        Phoenix - Seattle | Sat, Jun 13 | Delta Air Lines
        $158
        23% off
        $204 $158
      • SEA 11:50 AM
        3h 7m
        Nonstop
        PHX 2:57 PM
        Seattle - Phoenix | Wed, Jul 1 | Alaska Airlines
        PHX 5:33 PM
        3h 9m
        Nonstop
        SEA 8:42 PM
        Phoenix - Seattle | Sun, Jul 5 | Delta Air Lines
        $159
        22% off
        $204 $159
      • SEA 8:14 AM
        2h 58m
        Nonstop
        PHX 11:12 AM
        Seattle - Phoenix | Wed, Jul 1 | Delta Air Lines
        PHX 5:33 PM
        3h 9m
        Nonstop
        SEA 8:42 PM
        Phoenix - Seattle | Sun, Jul 5 | Delta Air Lines
        $161
        21% off
        $204 $161
      • SEA 1:00 PM
        17h 25m
        1 stop
        PHX 2:00 PM
        Seattle - Phoenix | Tue, May 19 | Normal Airline
        PHX 3:00 PM
        6h
        Nonstop
        SEA 4:00 PM
        Phoenix - Seattle | Thu, May 21 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SEA 8:35 PM
        3h 1m
        Nonstop
        PHX 11:36 PM
        Seattle - Phoenix | Wed, Jun 10 | Delta Air Lines
        $76 $117
        35% off
        35% off
        $117 $76
      • SEA 8:55 PM
        2h 59m
        Nonstop
        PHX 11:54 PM
        Seattle - Phoenix | Wed, Jun 10 | Alaska Airlines
        $86 $117
        26% off
        26% off
        $117 $86
      • SEA 8:25 PM
        3h 1m
        Nonstop
        PHX 11:26 PM
        Seattle - Phoenix | Wed, Jun 24 | Delta Air Lines
        $86 $117
        26% off
        26% off
        $117 $86
      • SEA 8:25 PM
        3h 1m
        Nonstop
        PHX 11:26 PM
        Seattle - Phoenix | Wed, Jul 1 | Delta Air Lines
        $87
        26% off
        $117 $87
      • SEA 8:25 PM
        3h 1m
        Nonstop
        PHX 11:26 PM
        Seattle - Phoenix | Wed, Jun 17 | Delta Air Lines
        $88
        25% off
        $117 $88
      • SEA 8:25 PM
        3h 1m
        Nonstop
        PHX 11:26 PM
        Seattle - Phoenix | Sat, Jun 20 | Delta Air Lines
        $88
        25% off
        $117 $88
      • SEA 9:05 PM
        2h 53m
        Nonstop
        PHX 11:58 PM
        Seattle - Phoenix | Fri, May 29 | Alaska Airlines
        $90
        23% off
        $117 $90
      • SEA 8:42 PM
        3h 2m
        Nonstop
        PHX 11:44 PM
        Seattle - Phoenix | Wed, Jun 24 | Alaska Airlines
        $90
        23% off
        $117 $90
      • SEA 7:50 PM
        2h 57m
        Nonstop
        PHX 10:47 PM
        Seattle - Phoenix | Fri, May 29 | Delta Air Lines
        $91
        22% off
        $117 $91
      • SEA 8:42 PM
        3h 2m
        Nonstop
        PHX 11:44 PM
        Seattle - Phoenix | Tue, Jun 23 | Alaska Airlines
        $92
        21% off
        $117 $92
      • SEA 1:00 PM
        17h 25m
        1 stop
        PHX 2:00 PM
        Seattle - Phoenix | Tue, May 19 | Normal Airline
        Find more flights
        Find more flights

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 on flights from Seattle to Phoenix

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

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

Based on Trip.com’s data, the cheapest month for flights from to Phoenix is January, with an average price of $110; while the month with the highest flight price is usually December, with an average price of up to $166.

$166
$138
$110
$82
    Cheapest
  • $111
    May
  • $152
    Jun
  • $150
    Jul
  • $148
    Aug
  • $149
    Sep
  • $147
    Oct
  • $124
    Nov
  • $166
    Dec
  • $110
    Jan
  • $137
    Feb
  • $145
    Mar
  • $116
    Apr

What is the cheapest month for round-trip flights from to Phoenix?

Average price of round-trip flights from to Phoenix purchased by Trip.com users by month over the past 12 months

According to historical data from Trip.com, the lowest prices for flights from to Phoenix are found during January, with an average price of $154. Conversely, the highest prices are found during June, with an average price of up to $467.

$467
$311
$154
0
    Cheapest
  • $251
    May
  • $467
    Jun
  • $180
    Jul
  • $335
    Aug
  • $304
    Sep
  • $182
    Oct
  • $264
    Nov
  • $274
    Dec
  • $154
    Jan
  • $286
    Feb
  • $316
    Mar
  • $201
    Apr

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

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

Memorial Day is scheduled for May 25. The cheapest flights from Seattle to Phoenix are available on May 25, with fares starting at $100.

$192
$146
$100
$54
    Cheapest
  • $192
    22
    May
  • $136
    23
  • $121
    24
  • $100
    25
  • $128
    26
  • $136
    27

Frequently Asked Questions

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

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as $76 on Cheapest nonstop routes (e.g. SEA to PHX on Wed, Jun 10), while Alaska Airlines offers Cheapest nonstop round-trips from $150 departing on Thu, Jun 4 and returning on Mon, Jun 8.
  • At the moment, you can catch a nonstop flight from Seattle to Phoenix with the following airlines, including: Alaska Airlines Delta Air Lines Frontier Airlines 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 to fly from Seattle (SEA) to Phoenix (PHX).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Phoenix 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 35 flight per week flying from Seattle to Phoenix. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: -/-/-/-/-/-/- -- AS610 (07:06) American Airlines: S/M/T/-/-/-/S -- AA3449 (15:08)
  • To find best deals on flights from Seattle to Phoenix, 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 Wed, Jun 10, with one-way flights priced at just $76.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · 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 Phoenix travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Phoenix is November, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Seattle to Phoenix on May 18, 2026 with Delta Air Lines, with prices starting at $155.
  • You can land at any one of the following hubs in Phoenix, with Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport (SEA-PHX) is by far the most common option on this route: Phoenix Sky Harbor International Airport (PHX) Mesa Gateway Airport (AZA) Falcon Field Airport (MSC) Scottsdale Airport (SCF).
  • The time difference between Phoenix and Seattle 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.

Explore More Popular Flights

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

Book with no extra fees

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.