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Cheap flights from Seattle to Phoenix from $49

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 3/15. 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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0 bags

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Find the cheapest flights from Seattle to Phoenix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:51 pm - 5:53 pm
SEA
-
PHX
3h 02mnonstop
Frontier Logo
6:51 pm - 12:01 pm
PHX
-
SEA
18h 10m
1 stop
$97Frontier
Sat, Feb 21 - Wed, Feb 25
Frontier Logo
12:30 pm - 4:34 pm
SEA
-
PHX
3h 04mnonstop
Frontier Logo
5:49 pm - 8:03 pm
PHX
-
SEA
3h 14mnonstop
$98Frontier
Sun, Mar 1 - Sat, Mar 7
Frontier Logo
12:00 pm - 4:04 pm
SEA
-
PHX
3h 04mnonstop
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
$99Frontier
Mon, Feb 23 - Fri, Feb 27
Frontier Logo
11:32 am - 11:55 pm
SEA
-
PHX
11h 23m
1 stop
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
$101Frontier
Sat, Feb 21 - Fri, Feb 27
Frontier Logo
12:30 pm - 8:42 am
SEA
-
PHX
19h 12m
1 stop
Frontier Logo
6:00 am - 8:13 am
PHX
-
SEA
3h 13mnonstop
$102Frontier
Mon, Feb 23 - Thu, Mar 5
Frontier Logo
1:51 pm - 5:53 pm
SEA
-
PHX
3h 02mnonstop
Frontier Logo
7:57 pm - 5:09 pm
PHX
-
SEA
21h 12m
1 stop
$103Frontier
Sat, Feb 28 - Mon, Mar 9
Frontier Logo
12:30 pm - 4:34 pm
SEA
-
PHX
3h 04mnonstop
Frontier Logo
9:30 am - 8:08 pm
PHX
-
SEA
11h 38m
1 stop
$104Frontier
Sun, Feb 22 - Thu, Feb 26
Frontier Logo
9:08 pm - 1:03 am
SEA
-
PHX
2h 55mnonstop
Frontier Logo
6:55 am - 8:20 pm
PHX
-
SEA
13h 25m
1 stop
$105Frontier
Sat, Mar 7 - Thu, Mar 12
Multiple Airlines Logo
9:36 pm - 11:21 am
SEA
-
AZA
13h 45m
1 stop
Multiple Airlines Logo
10:00 am - 5:34 pm
AZA
-
SEA
31h 34m
2 stops
$292Multiple Airlines
Fri, Mar 20 - Thu, Apr 2
Multiple Airlines Logo
3:57 pm - 10:27 pm
SEA
-
AZA
6h 30m
1 stop
Multiple Airlines Logo
4:03 pm - 9:26 pm
AZA
-
SEA
5h 23m
1 stop
$341Multiple Airlines
Sun, Apr 19 - Sun, Apr 26

Frontier flights from Seattle to Phoenix

Our best Frontier deals on Seattle to Phoenix flight tickets
Frontier
Feb 21
SEA1:51 pmSeattle/Tacoma Intl
3h 02m
PHX5:53 pmPhoenix Sky Harbor Intl
Feb 25
PHX6:51 pmPhoenix Sky Harbor Intl
18h 10m
1 stop
SEA12:01 pmSeattle/Tacoma Intl
$97
Frontier
Mar 1
SEA12:30 pmSeattle/Tacoma Intl
3h 04m
PHX4:34 pmPhoenix Sky Harbor Intl
Mar 7
PHX5:49 pmPhoenix Sky Harbor Intl
3h 14m
SEA8:03 pmSeattle/Tacoma Intl
$98
Frontier
Feb 23
SEA12:00 pmSeattle/Tacoma Intl
3h 04m
PHX4:04 pmPhoenix Sky Harbor Intl
Feb 27
PHX6:00 amPhoenix Sky Harbor Intl
3h 13m
SEA8:13 amSeattle/Tacoma Intl
$99

Southwest flights from Seattle to Phoenix

Our best Southwest deals on Seattle to Phoenix flight tickets
Southwest
Feb 10
SEA5:15 amSeattle/Tacoma Intl
2h 45m
PHX9:00 amPhoenix Sky Harbor Intl
Feb 24
PHX2:25 pmPhoenix Sky Harbor Intl
6h 55m
1 stop
SEA8:20 pmSeattle/Tacoma Intl
$222
Southwest
Feb 10
SEA5:15 amSeattle/Tacoma Intl
2h 45m
PHX9:00 amPhoenix Sky Harbor Intl
Feb 24
PHX10:30 amPhoenix Sky Harbor Intl
6h 30m
2 stops
SEA4:00 pmSeattle/Tacoma Intl
$227
Southwest
Feb 11
SEA12:45 pmSeattle/Tacoma Intl
8h 35m
1 stop
PHX10:20 pmPhoenix Sky Harbor Intl
Feb 18
PHX2:25 pmPhoenix Sky Harbor Intl
6h 55m
1 stop
SEA8:20 pmSeattle/Tacoma Intl
$238

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 January 29, 2026.
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

Sat 2/21

1:51 pm-5:53 pm

Nonstop3h 02m

Phoenix Sky Harbor Intl

Wed 2/25

6:51 pm-12:01 pm

1 stop18h 10m

$97

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 3/1

12:30 pm-4:34 pm

Nonstop3h 04m

Phoenix Sky Harbor Intl

Sat 3/7

5:49 pm-8:03 pm

Nonstop3h 14m

$98

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 2/23

12:00 pm-4:04 pm

Nonstop3h 04m

Phoenix Sky Harbor Intl

Fri 2/27

6:00 am-8:13 am

Nonstop3h 13m

$99

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 2/21

11:32 am-11:55 pm

1 stop11h 23m

Phoenix Sky Harbor Intl

Fri 2/27

6:00 am-8:13 am

Nonstop3h 13m

$101

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 2/23

12:30 pm-8:42 am

1 stop19h 12m

Phoenix Sky Harbor Intl

Thu 3/5

6:00 am-8:13 am

Nonstop3h 13m

$102

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 2/28

1:51 pm-5:53 pm

Nonstop3h 02m

Phoenix Sky Harbor Intl

Mon 3/9

7:57 pm-5:09 pm

1 stop21h 12m

$103

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sun 2/22

12:30 pm-4:34 pm

Nonstop3h 04m

Phoenix Sky Harbor Intl

Thu 2/26

9:30 am-8:08 pm

1 stop11h 38m

$104

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Sat 3/7

9:08 pm-1:03 am

Nonstop2h 55m

Phoenix Sky Harbor Intl

Thu 3/12

6:55 am-8:20 pm

1 stop13h 25m

$105

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Fri 3/20

9:36 pm-11:21 am

1 stop13h 45m

Phoenix-Mesa Gateway

Thu 4/2

10:00 am-5:34 pm

2 stops31h 34m

$292

SeattlePhoenix

SEA - AZA

SEAAZA

Seattle/Tacoma Intl

Sun 4/19

3:57 pm-10:27 pm

1 stop6h 30m

Phoenix-Mesa Gateway

Sun 4/26

4:03 pm-9:26 pm

1 stop5h 23m

$341

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 July is also very affordable. Most momondo users find prices during this month for around $176.

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 $236. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Thursday 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 $263.

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 $206. At noon is when there is more demand to fly to Phoenix, so prices are often more expensive at around $286 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 $216 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 $166 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 44m

Direct flights

Every day

Airports in Phoenix

3 airports
The fastest flight from Seattle to Phoenix takes 2h 44m
Direct flights go from Seattle to Phoenix every day.
There are 3 airports in Phoenix. From Seattle there are direct flights to 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 44m.

  • 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 $47Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $48Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $78Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $83Free CancellationRating
7.9
8,127 reviews
Search Delta flights
Alaska AirlinesPriceFrom $114Free CancellationRating
8.0
11,808 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,215 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.

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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