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Cheap flights from Phoenix to Seattle from $54

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Seattle departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Frontier Logo
9:28 am - 11:55 pm
SEA
-
PHX
13h 27m
1 stop
$94Frontier
Thu, Feb 26 - Thu, Mar 5
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Frontier Logo
12:00 pm - 4:04 pm
SEA
-
PHX
3h 04mnonstop
$95Frontier
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Multiple Airlines Logo
7:03 pm - 10:55 pm
SEA
-
PHX
2h 52mnonstop
$97Multiple Airlines
Fri, Feb 13 - Mon, Feb 16
Multiple Airlines Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Multiple Airlines Logo
7:03 pm - 10:55 pm
SEA
-
PHX
2h 52mnonstop
$98Multiple Airlines
Thu, Feb 12 - Mon, Feb 16
Frontier Logo
5:49 pm - 9:03 pm
PHX
-
SEA
3h 14mnonstop
Frontier Logo
10:08 pm - 1:05 am
SEA
-
PHX
2h 57mnonstop
$99Frontier
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
5:00 am - 8:14 am
PHX
-
SEA
3h 14mnonstop
Multiple Airlines Logo
10:08 pm - 1:05 am
SEA
-
PHX
2h 57mnonstop
$100Multiple Airlines
Sat, Mar 14 - Tue, Mar 17
Frontier Logo
6:55 am - 8:20 pm
PHX
-
SEA
13h 25m
1 stop
Frontier Logo
10:08 pm - 1:05 am
SEA
-
PHX
2h 57mnonstop
$101Frontier
Thu, Mar 12 - Tue, Mar 17
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Frontier Logo
12:30 pm - 4:34 pm
SEA
-
PHX
3h 04mnonstop
$102Frontier
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Multiple Airlines Logo
6:00 am - 9:51 am
SEA
-
PHX
2h 51mnonstop
$103Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
Frontier Logo
12:00 pm - 4:04 pm
SEA
-
PHX
3h 04mnonstop
$104Frontier
Fri, Feb 27 - Mon, Mar 2

Delta flights from Phoenix to Seattle

Our best Delta deals on Phoenix to Seattle flight tickets
Delta
Feb 6
PHX2:45 pmPhoenix Sky Harbor Intl
3h 14m
SEA4:59 pmSeattle/Tacoma Intl
Feb 10
SEA7:55 pmSeattle/Tacoma Intl
2h 59m
PHX11:54 pmPhoenix Sky Harbor Intl
$117
Delta
Feb 14
PHX6:05 amPhoenix Sky Harbor Intl
3h 17m
SEA8:22 amSeattle/Tacoma Intl
Feb 18
SEA3:10 pmSeattle/Tacoma Intl
2h 44m
PHX6:54 pmPhoenix Sky Harbor Intl
$137
Delta
Jan 21
PHX2:45 pmPhoenix Sky Harbor Intl
3h 14m
SEA4:59 pmSeattle/Tacoma Intl
Feb 18
SEA7:55 pmSeattle/Tacoma Intl
2h 55m
PHX11:50 pmPhoenix Sky Harbor Intl
$207

Frontier flights from Phoenix to Seattle

Our best Frontier deals on Phoenix to Seattle flight tickets
Frontier
Feb 26
PHX6:00 amPhoenix Sky Harbor Intl
3h 13m
SEA8:13 amSeattle/Tacoma Intl
Mar 5
SEA9:28 amSeattle/Tacoma Intl
13h 27m
1 stop
PHX11:55 pmPhoenix Sky Harbor Intl
$94
Frontier
Feb 26
PHX6:00 amPhoenix Sky Harbor Intl
3h 13m
SEA8:13 amSeattle/Tacoma Intl
Mar 2
SEA12:00 pmSeattle/Tacoma Intl
3h 04m
PHX4:04 pmPhoenix Sky Harbor Intl
$95
Frontier
Mar 10
PHX5:49 pmPhoenix Sky Harbor Intl
3h 14m
SEA9:03 pmSeattle/Tacoma Intl
Mar 24
SEA10:08 pmSeattle/Tacoma Intl
2h 57m
PHX1:05 amPhoenix Sky Harbor Intl
$99

momondo Fare Finder

 
Customize your flight search to find flights from Phoenix to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Phoenix to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 2/26

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Thu 3/5

9:28 am-11:55 pm

1 stop13h 27m

$94

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 2/26

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Mon 3/2

12:00 pm-4:04 pm

Nonstop3h 04m

$95

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 2/13

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Mon 2/16

7:03 pm-10:55 pm

Nonstop2h 52m

$97

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 2/12

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Mon 2/16

7:03 pm-10:55 pm

Nonstop2h 52m

$98

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Tue 3/10

5:49 pm-9:03 pm

Nonstop3h 14m

Seattle/Tacoma Intl

Tue 3/24

10:08 pm-1:05 am

Nonstop2h 57m

$99

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Sat 3/14

5:00 am-8:14 am

Nonstop3h 14m

Seattle/Tacoma Intl

Tue 3/17

10:08 pm-1:05 am

Nonstop2h 57m

$100

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 3/12

6:55 am-8:20 pm

1 stop13h 25m

Seattle/Tacoma Intl

Tue 3/17

10:08 pm-1:05 am

Nonstop2h 57m

$101

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 2/19

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Sun 2/22

12:30 pm-4:34 pm

Nonstop3h 04m

$102

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Thu 2/19

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Sun 2/22

6:00 am-9:51 am

Nonstop2h 51m

$103

PhoenixSeattle

PHX - SEA

PHXSEA

Phoenix Sky Harbor Intl

Fri 2/27

6:00 am-8:13 am

Nonstop3h 13m

Seattle/Tacoma Intl

Mon 3/2

12:00 pm-4:04 pm

Nonstop3h 04m

$104

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Phoenix to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Phoenix to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $147. If you don’t want to visit Seattle in January, then you should wait until February to fly from Phoenix, when ticket prices are also cheap, with an average price of $160.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Phoenix is on a Friday. momondo users have found tickets for Friday departures for as low as $269. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Phoenix because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $445.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Phoenix at noon is the least expensive time of day to depart. momondo users have found prices as low as $232 when looking at flights departing at noon. Flights to Seattle are more costly in the evening, with an average ticket price of $382. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Phoenix to Seattle/Tacoma Intl flight route?

Fly from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl for the best Phoenix - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Phoenix when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $186 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Phoenix for as low as $164 on momondo.

What cabin class options are available on Phoenix to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Phoenix to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Phoenix to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Phoenix to Seattle

Fastest flight time

2h 55m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from Phoenix to Seattle takes 2h 55m
Direct flights go from Phoenix to Seattle every day.
There is 1 airport in Seattle. From Phoenix there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • How far is Phoenix to Seattle/Tacoma Intl by plane?

    There are 1114.3 mi between Phoenix and Seattle/Tacoma Intl. By plane, this route typically takes 2h 55m.

  • When did momondo last update prices for flights from Phoenix to Seattle/Tacoma Intl Airport?

    Prices for flights from Phoenix to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Phoenix to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Phoenix to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Phoenix to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Phoenix to Seattle

Compare and see reviews for airlines that fly from Phoenix to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $51Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $83Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
8,049 reviews
Search Delta flights
Alaska AirlinesPriceFrom $97Free CancellationRating
8.0
11,721 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $116Free CancellationRating
8.0
4,258 reviews
Search Southwest flights
American AirlinesPriceFrom $117Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Cle Elum
Lakewood
Federal Way
Fife
Kirkland
Westport
Centralia
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Phoenix to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Phoenix to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Phoenix which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Phoenix to Seattle?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Phoenix.

I’m not ready to book a flight from Phoenix to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Phoenix to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

An easier way to manage your Seattle trip

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