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Cheap flights from Seattle to Phoenix 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 Seattle to Phoenix departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:46 pm - 8:44 pmSEA-PHX
2h 58mnonstop
Frontier Logo
7:00 am - 12:30 pmPHX-SEA
6h 30m1 stop
$100Frontier
Find Deal
Fri, Dec 12 - Thu, Dec 18
Frontier Logo
5:21 pm - 9:20 pmSEA-PHX
2h 59mnonstop
Frontier Logo
10:26 pm - 10:11 amPHX-SEA
12h 45m1 stop
$101Frontier
Find Deal
Sat, Dec 13 - Mon, Dec 29
Frontier Logo
12:48 pm - 10:14 pmSEA-PHX
8h 26m1 stop
Frontier Logo
4:33 pm - 6:53 pmPHX-SEA
3h 20mnonstop
$102Frontier
Find Deal
Fri, Dec 5 - Fri, Dec 19
Frontier Logo
4:46 pm - 8:44 pmSEA-PHX
2h 58mnonstop
Frontier Logo
9:00 am - 2:45 pmPHX-SEA
6h 45m1 stop
$103Frontier
Find Deal
Fri, Dec 5 - Fri, Dec 12
Multiple Airlines Logo
7:10 am - 11:08 amSEA-PHX
2h 58mnonstop
Multiple Airlines Logo
8:00 am - 2:45 pmPHX-SEA
7h 45m1 stop
$104Multiple Airlines
Find Deal
Wed, Dec 10 - Mon, Dec 15
Frontier Logo
4:46 pm - 8:44 pmSEA-PHX
2h 58mnonstop
Frontier Logo
7:00 am - 11:53 amPHX-SEA
5h 53m1 stop
$105Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
4:46 pm - 8:44 pmSEA-PHX
2h 58mnonstop
Frontier Logo
7:00 am - 11:53 amPHX-SEA
5h 53m1 stop
$106Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Sun Country Air Logo
6:08 pm - 5:12 pmSEA-AZA
22h 04m1 stop
Sun Country Air Logo
10:11 am - 5:18 pmAZA-SEA
8h 07m1 stop
$468Sun Country Air
Find Deal
Wed, Dec 17 - Wed, Dec 24
Sun Country Air Logo
11:59 pm - 5:06 pmSEA-AZA
16h 07m1 stop
Sun Country Air Logo
10:11 am - 5:18 pmAZA-SEA
8h 07m1 stop
$540Sun Country Air
Find Deal
Sat, Dec 20 - Wed, Dec 24
Sun Country Air Logo
6:08 pm - 5:12 pmSEA-AZA
22h 04m1 stop
Sun Country Air Logo
6:16 pm - 9:36 amAZA-SEA
16h 20m1 stop
$544Sun Country Air
Find Deal
Wed, Dec 17 - Sun, Dec 21

Frontier flights from Seattle to Phoenix

Our best Frontier deals on Seattle to Phoenix flight tickets
Frontier
Dec 12
SEA4:46 pmSeattle/Tacoma Intl
2h 58m
PHX8:44 pmPhoenix Sky Harbor Intl
Dec 18
PHX7:00 amPhoenix Sky Harbor Intl
6h 30m
1 stop
SEA12:30 pmSeattle/Tacoma Intl
$100
Find similar
Frontier
Dec 13
SEA5:21 pmSeattle/Tacoma Intl
2h 59m
PHX9:20 pmPhoenix Sky Harbor Intl
Dec 18
PHX4:45 pmPhoenix Sky Harbor Intl
22h 09m
1 stop
SEA1:54 pmSeattle/Tacoma Intl
$101
Find similar
Frontier
Dec 5
SEA12:48 pmSeattle/Tacoma Intl
8h 26m
1 stop
PHX10:14 pmPhoenix Sky Harbor Intl
Dec 19
PHX4:33 pmPhoenix Sky Harbor Intl
3h 20m
SEA6:53 pmSeattle/Tacoma Intl
$102
Find similar

Southwest flights from Seattle to Phoenix

Our best Southwest deals on Seattle to Phoenix flight tickets
Southwest
Jan 2
SEA4:00 pmSeattle/Tacoma Intl
6h 25m
2 stops
PHX11:25 pmPhoenix Sky Harbor Intl
Jan 9
PHX8:55 pmPhoenix Sky Harbor Intl
3h 10m
SEA11:05 pmSeattle/Tacoma Intl
$112
Find similar
Southwest
Jan 23
SEA1:20 pmSeattle/Tacoma Intl
5h 05m
1 stop
PHX7:25 pmPhoenix Sky Harbor Intl
Jan 26
PHX11:20 amPhoenix Sky Harbor Intl
5h 20m
1 stop
SEA3:40 pmSeattle/Tacoma Intl
$116
Find similar
Southwest
Dec 8
SEA6:15 amSeattle/Tacoma Intl
7h 25m
2 stops
PHX2:40 pmPhoenix Sky Harbor Intl
Dec 15
PHX1:25 pmPhoenix Sky Harbor Intl
6h 15m
1 stop
SEA6:40 pmSeattle/Tacoma Intl
$122
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Phoenix 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 November 18, 2025.
Use the filters below to find and compare flights from Seattle to Phoenix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 12/12

4:46 pm-8:44 pm

Nonstop2h 58m

Phoenix Sky Harbor Intl

Thu 12/18

7:00 am-12:30 pm

1 stop6h 30m

$100

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 12/13

5:21 pm-9:20 pm

Nonstop2h 59m

Phoenix Sky Harbor Intl

Mon 12/29

10:26 pm-10:11 am

1 stop12h 45m

$101

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 12/5

12:48 pm-10:14 pm

1 stop8h 26m

Phoenix Sky Harbor Intl

Fri 12/19

4:33 pm-6:53 pm

Nonstop3h 20m

$102

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 12/5

4:46 pm-8:44 pm

Nonstop2h 58m

Phoenix Sky Harbor Intl

Fri 12/12

9:00 am-2:45 pm

1 stop6h 45m

$103

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 12/10

7:10 am-11:08 am

Nonstop2h 58m

Phoenix Sky Harbor Intl

Mon 12/15

8:00 am-2:45 pm

1 stop7h 45m

$104

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 12/5

4:46 pm-8:44 pm

Nonstop2h 58m

Phoenix Sky Harbor Intl

Sun 12/7

7:00 am-11:53 am

1 stop5h 53m

$105

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 12/5

4:46 pm-8:44 pm

Nonstop2h 58m

Phoenix Sky Harbor Intl

Sun 12/7

7:00 am-11:53 am

1 stop5h 53m

$106

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Wed 12/17

6:08 pm-5:12 pm

1 stop22h 04m

Phoenix-Mesa Gateway

Wed 12/24

10:11 am-5:18 pm

1 stop8h 07m

$468

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sat 12/20

11:59 pm-5:06 pm

1 stop16h 07m

Phoenix-Mesa Gateway

Wed 12/24

10:11 am-5:18 pm

1 stop8h 07m

$540

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Wed 12/17

6:08 pm-5:12 pm

1 stop22h 04m

Phoenix-Mesa Gateway

Sun 12/21

6:16 pm-9:36 am

1 stop16h 20m

$544

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 Phoenix from

How to get the cheapest flight ticket from Seattle to Phoenix

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 Phoenix?

If you are unable to visit Phoenix during the month of August, then departing from Seattle during the month September is also very affordable. Most momondo users find prices during this month for around $173.

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

On average, the least expensive day to fly to Phoenix from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $231. 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 Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $268.

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

The cheapest time of day to fly to Phoenix is in the evening when flights can be purchased for as low as $195. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $275 per ticket.

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

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

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

You are more likely to see cheaper flights to Phoenix from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix for around $215 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix from Seattle for as low as $183 on momondo.

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

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

Cheap Seattle to Phoenix flight deals and tips

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

Fastest flight time

2h 45m

Direct flights

Every day

Airports in Phoenix

1 airport
The fastest flight from Seattle to Phoenix takes 2h 45m
Direct flights go from Seattle to Phoenix every day.
There is 1 airport near Phoenix: Phoenix Sky Harbor Intl (PHX)
Search flight deals

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

    The straight-line distance from Seattle/Tacoma Intl to Phoenix is 1114.3 mi. In terms of flight time, this usually takes a little over 2h 45m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Phoenix were last updated today.

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

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

    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 Seattle/Tacoma Intl Airport to Phoenix.

  • What documentation or ID do you need to fly to Phoenix?

    The travel and health documents you'll need for your trip to Phoenix may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Phoenix. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Phoenix

Compare and see reviews for airlines that fly from Seattle to Phoenix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $48Free CancellationRating
5.8
3,103 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $65Free CancellationRating
6.3
8,146 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $83Free CancellationRating
7.8
2,809 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
8,007 reviews
Search Delta flights
SouthwestPriceFrom $137Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $142Free CancellationRating
8.0
11,316 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Phoenix from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phoenix quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Phoenix from Seattle with this policy.

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

Once you have performed a search for Seattle to Phoenix flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Phoenix from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Phoenix trip

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Find better results for your trip to the United States

Fly into one of these airports located in Phoenix

Airports listed have a maximum distance of 25.4 mi from Phoenix
Phoenix-Mesa Gateway Airport