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Cheap flights from Seattle to Phoenix from $74

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 10/5. 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

Frontier Logo
8:22 pm - 12:24 amSEA-PHX
3h 02mnonstop
Frontier Logo
6:00 am - 8:18 amPHX-SEA
3h 18mnonstop
$102Frontier
Find Deal
Thu, Nov 6 - Sat, Nov 8
Frontier Logo
12:58 pm - 11:02 pmSEA-PHX
10h 04m1 stop
Frontier Logo
6:00 am - 8:18 amPHX-SEA
3h 18mnonstop
$103Frontier
Find Deal
Fri, Oct 31 - Thu, Nov 13
Delta Logo
7:10 am - 10:06 amSEA-PHX
2h 56mnonstop
Delta Logo
7:06 pm - 10:24 pmPHX-SEA
3h 18mnonstop
$105Delta
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Wed, Oct 22 - Wed, Oct 22
Frontier Logo
4:36 pm - 11:44 pmSEA-PHX
7h 08m1 stop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$106Frontier
Find Deal
Mon, Sep 29 - Thu, Oct 2
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$107Frontier
Find Deal
Mon, Sep 29 - Sun, Oct 5
Delta Logo
3:30 pm - 6:26 pmSEA-PHX
2h 56mnonstop
Delta Logo
1:45 pm - 4:56 pmPHX-SEA
3h 11mnonstop
$109Delta
Find Deal
Tue, Sep 30 - Tue, Oct 7
Logo
9:22 pm - 12:24 amSEA-PHX
3h 02mnonstop
Logo
6:20 am - 8:34 amPHX-SEA
3h 14mnonstop
$110
Find Deal
Thu, Oct 30 - Wed, Nov 12
Southwest Logo
5:15 am - 9:00 amSEA-PHX
2h 45mnonstop
Southwest Logo
9:05 am - 11:20 amPHX-SEA
3h 15mnonstop
$112Southwest
Find Deal
Wed, Nov 12 - Sat, Nov 15
Southwest Logo
7:10 am - 10:00 amSEA-PHX
2h 50mnonstop
Southwest Logo
1:50 pm - 6:20 pmPHX-SEA
5h 30m1 stop
$115Southwest
Find Deal
Wed, Oct 22 - Wed, Nov 5
Logo
2:31 pm - 8:19 pmSEA-PHX
5h 48m1 stop
Logo
7:00 am - 10:20 amPHX-SEA
3h 20mnonstop
$131
Find Deal
Fri, Oct 24 - Tue, Oct 28

Delta flights from Seattle to Phoenix Sky Harbor Intl Airport

Our best Delta deals on Seattle to Phoenix Sky Harbor Intl Airport flight tickets
Delta
Oct 22
SEA7:10 amSeattle/Tacoma Intl
2h 56m
PHX10:06 amPhoenix Sky Harbor Intl
Oct 22
PHX7:06 pmPhoenix Sky Harbor Intl
3h 18m
SEA10:24 pmSeattle/Tacoma Intl
$105
Find similar
Delta
Sep 30
SEA3:30 pmSeattle/Tacoma Intl
2h 56m
PHX6:26 pmPhoenix Sky Harbor Intl
Oct 7
PHX1:45 pmPhoenix Sky Harbor Intl
3h 11m
SEA4:56 pmSeattle/Tacoma Intl
$109
Find similar
Delta
Dec 2
SEA3:15 pmSeattle/Tacoma Intl
2h 50m
PHX7:05 pmPhoenix Sky Harbor Intl
Dec 12
PHX12:12 pmPhoenix Sky Harbor Intl
3h 21m
SEA2:33 pmSeattle/Tacoma Intl
$127
Find similar

Southwest flights from Seattle to Phoenix Sky Harbor Intl Airport

Our best Southwest deals on Seattle to Phoenix Sky Harbor Intl Airport flight tickets
Southwest
Nov 12
SEA5:15 amSeattle/Tacoma Intl
2h 45m
PHX9:00 amPhoenix Sky Harbor Intl
Nov 15
PHX9:05 amPhoenix Sky Harbor Intl
3h 15m
SEA11:20 amSeattle/Tacoma Intl
$112
Find similar
Southwest
Oct 22
SEA7:10 amSeattle/Tacoma Intl
2h 50m
PHX10:00 amPhoenix Sky Harbor Intl
Nov 5
PHX1:50 pmPhoenix Sky Harbor Intl
5h 30m
1 stop
SEA6:20 pmSeattle/Tacoma Intl
$115
Find similar
Southwest
Nov 1
SEA6:15 pmSeattle/Tacoma Intl
2h 55m
PHX9:10 pmPhoenix Sky Harbor Intl
Nov 11
PHX7:05 amPhoenix Sky Harbor Intl
5h 30m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$122
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Phoenix Sky Harbor Intl Airport 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 September 11, 2025.
Use the filters below to find and compare flights from Seattle to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 11/6

8:22 pm-12:24 am

Nonstop3h 02m

Phoenix Sky Harbor Intl

Sat 11/8

6:00 am-8:18 am

Nonstop3h 18m

$102

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 10/31

12:58 pm-11:02 pm

1 stop10h 04m

Phoenix Sky Harbor Intl

Thu 11/13

6:00 am-8:18 am

Nonstop3h 18m

$103

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 10/22

7:10 am-10:06 am

Nonstop2h 56m

Phoenix Sky Harbor Intl

Wed 10/22

7:06 pm-10:24 pm

Nonstop3h 18m

$105

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 9/29

4:36 pm-11:44 pm

1 stop7h 08m

Phoenix Sky Harbor Intl

Thu 10/2

6:05 am-9:20 am

Nonstop3h 15m

$106

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Mon 9/29

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

Sun 10/5

6:05 am-9:20 am

Nonstop3h 15m

$107

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Tue 9/30

3:30 pm-6:26 pm

Nonstop2h 56m

Phoenix Sky Harbor Intl

Tue 10/7

1:45 pm-4:56 pm

Nonstop3h 11m

$109

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Thu 10/30

9:22 pm-12:24 am

Nonstop3h 02m

Phoenix Sky Harbor Intl

Wed 11/12

6:20 am-8:34 am

Nonstop3h 14m

$110

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 11/12

5:15 am-9:00 am

Nonstop2h 45m

Phoenix Sky Harbor Intl

Sat 11/15

9:05 am-11:20 am

Nonstop3h 15m

$112

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Wed 10/22

7:10 am-10:00 am

Nonstop2h 50m

Phoenix Sky Harbor Intl

Wed 11/5

1:50 pm-6:20 pm

1 stop5h 30m

$115

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

Fri 10/24

2:31 pm-8:19 pm

1 stop5h 48m

Phoenix Sky Harbor Intl

Tue 10/28

7:00 am-10:20 am

Nonstop3h 20m

$131

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 Sky Harbor Intl Airport

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 Sky Harbor Intl Airport?

In general, September is the cheapest month to fly from Seattle to Phoenix Sky Harbor Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $163. If you are unable to visit Phoenix Sky Harbor Intl Airport during the month of September, then departing from Seattle during the month January is also very affordable. Most momondo users find prices during this month for around $168.

What is the cheapest day to depart on your flight to Phoenix Sky Harbor Intl Airport?

On average, the least expensive day to fly to Phoenix Sky Harbor Intl Airport from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $232. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $265. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phoenix Sky Harbor Intl Airport.

What is the cheapest time of day to depart on your flight to Phoenix Sky Harbor Intl Airport?

In the evening is the cheapest time of day to fly from Seattle to Phoenix Sky Harbor Intl Airport when you can find flight prices for as low as $194. Flying to Phoenix Sky Harbor Intl Airport in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $272. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Phoenix Sky Harbor Intl Airport?

You are more likely to see cheaper flights to Phoenix Sky Harbor Intl Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Phoenix Sky Harbor Intl Airport for around $212 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phoenix Sky Harbor Intl Airport from Seattle for as low as $183 on momondo.

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

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

How have Seattle to Phoenix Sky Harbor Intl Airport flight prices changed over time?

As of September 2025, prices for Seattle to Phoenix Sky Harbor Intl Airport flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Phoenix Sky Harbor Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Phoenix Sky Harbor Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Phoenix Sky Harbor Intl Airport (SEA to PHX) flight deals and tips

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

Best Price Found

$103

Fastest flight time

2h 45m

Direct flights

Every day
The best one-way flight to Phoenix Sky Harbor Intl Airport from Seattle in the past 72 hours is $103. The best round-trip flight deal from Seattle to Phoenix Sky Harbor Intl Airport found on momondo in the last 72 hours is $166.
The fastest flight from Seattle to Phoenix Sky Harbor Intl Airport takes 2h 45m
Direct flights go from Seattle to Phoenix Sky Harbor Intl Airport every day.
Search flight deals

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

    The straight-line distance from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl is 1117.0 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 Sky Harbor Intl Airport?

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

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

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

  • What documentation or ID do you need to fly to Phoenix Sky Harbor Intl Airport?

    The travel and health documents you'll need for your trip to Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Phoenix Sky Harbor Intl Airport?

  • What is the most popular airline from Seattle to Phoenix Sky Harbor Intl Airport?

Best airlines flying from Seattle to Phoenix Sky Harbor Intl Airport

Compare and see reviews for airlines that fly from Seattle to Phoenix Sky Harbor Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $48Free CancellationRating
5.8
3,177 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $72Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $83Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
7,960 reviews
Search Delta flights
SouthwestPriceFrom $130Free CancellationRating
8.0
4,248 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $144Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights

  • Southwest Flights From Seattle to Phoenix Sky Harbor Intl Airport

    The lowest priced Southwest flight from Seattle to Phoenix Sky Harbor Intl Airport from the last 72 hours was $130. Generally, Southwest has 18 flights on this route every week with an average price of $267. Southwest is rated 8.0/10 by our users.

  • Alaska Airlines Flights From Seattle to Phoenix Sky Harbor Intl Airport

    Across 10,000 Alaska Airlines reviews on momondo, the average score is 8.0/10. Alaska Airlines flies from Seattle to Phoenix Sky Harbor Intl Airport about 31 times each week, with ticket deals ranging from $144 to $286. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Phoenix?

Book flights to Phoenix if you plan to visit one of these locations
Scottsdale
Mesa
Tempe
Glendale
Chandler
Gilbert
Peoria
Surprise
Casa Grande
Buckeye
Goodyear
Apache Junction
Payson
Wickenburg
Paradise Valley
Avondale
Camp Verde
Fountain Hills
Litchfield Park
Cave Creek

Why use momondo?

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

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

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

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

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

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 Phoenix from Seattle.

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

Yes. momondo can track prices for Seattle to Phoenix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Phoenix Sky Harbor Intl Airport trip

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