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Cheap flights from Seattle to Phoenix from $72

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 10/6. 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
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$98Frontier
Find Deal
vie., sep. 12 - dom., sep. 14
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
2:15 pm - 5:33 pmPHX-SEA
3h 18mnonstop
$100Frontier
Find Deal
jue., sep. 4 - lun., sep. 8
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
2:15 pm - 5:33 pmPHX-SEA
3h 18mnonstop
$101Frontier
Find Deal
jue., sep. 4 - dom., sep. 7
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
2:15 pm - 5:33 pmPHX-SEA
3h 18mnonstop
$102Frontier
Find Deal
jue., sep. 4 - jue., sep. 11
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$104Frontier
Find Deal
vie., sep. 12 - lun., sep. 15
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$105Frontier
Find Deal
jue., sep. 25 - dom., sep. 28
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
vie., sep. 12 - lun., sep. 15
Frontier Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Frontier Logo
6:05 am - 9:20 amPHX-SEA
3h 15mnonstop
$108Frontier
Find Deal
lun., sep. 22 - dom., sep. 28
Logo
2:09 pm - 5:10 pmSEA-PHX
3h 01mnonstop
Logo
2:15 pm - 5:33 pmPHX-SEA
3h 18mnonstop
$126
Find Deal
mar., sep. 9 - vie., sep. 12
Logo
8:31 pm - 11:31 pmSEA-PHX
3h 00mnonstop
Logo
3:58 pm - 7:03 pmPHX-SEA
3h 05mnonstop
$134
Find Deal
jue., sep. 4 - mar., sep. 9

Frontier flights from Seattle to Phoenix

Our best Frontier deals on Seattle to Phoenix flight tickets
Frontier
Sep 12
SEA8:31 pmSeattle/Tacoma Intl
3h 00m
PHX11:31 pmPhoenix Sky Harbor Intl
Sep 14
PHX6:05 amPhoenix Sky Harbor Intl
3h 15m
SEA9:20 amSeattle/Tacoma Intl
$98
Find similar
Frontier
Sep 4
SEA8:31 pmSeattle/Tacoma Intl
3h 00m
PHX11:31 pmPhoenix Sky Harbor Intl
Sep 8
PHX2:15 pmPhoenix Sky Harbor Intl
3h 18m
SEA5:33 pmSeattle/Tacoma Intl
$100
Find similar
Frontier
Sep 4
SEA8:31 pmSeattle/Tacoma Intl
3h 00m
PHX11:31 pmPhoenix Sky Harbor Intl
Sep 7
PHX2:15 pmPhoenix Sky Harbor Intl
3h 18m
SEA5:33 pmSeattle/Tacoma Intl
$101
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 agosto 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

vie. 9/12

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

dom. 9/14

6:05 am-9:20 am

Nonstop3h 15m

$98

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 9/4

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

lun. 9/8

2:15 pm-5:33 pm

Nonstop3h 18m

$100

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 9/4

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

dom. 9/7

2:15 pm-5:33 pm

Nonstop3h 18m

$101

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 9/4

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

jue. 9/11

2:15 pm-5:33 pm

Nonstop3h 18m

$102

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

vie. 9/12

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

lun. 9/15

6:05 am-9:20 am

Nonstop3h 15m

$104

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 9/25

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

dom. 9/28

6:05 am-9:20 am

Nonstop3h 15m

$105

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

vie. 9/12

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

lun. 9/15

6:05 am-9:20 am

Nonstop3h 15m

$107

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

lun. 9/22

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

dom. 9/28

6:05 am-9:20 am

Nonstop3h 15m

$108

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

mar. 9/9

2:09 pm-5:10 pm

Nonstop3h 01m

Phoenix Sky Harbor Intl

vie. 9/12

2:15 pm-5:33 pm

Nonstop3h 18m

$126

SeattlePhoenix

SEA - PHX

SEAPHX

Seattle/Tacoma Intl

jue. 9/4

8:31 pm-11:31 pm

Nonstop3h 00m

Phoenix Sky Harbor Intl

mar. 9/9

3:58 pm-7:03 pm

Nonstop3h 05m

$134

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 September, then departing from Seattle during the month August is also very affordable. Most momondo users find prices during this month for around $167.

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 $226. 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 $266.

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 $194. In the morning is when there is more demand to fly to Phoenix, so prices are often more expensive at around $271 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 $210 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 $179 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

Best Price Found

$72

Fastest flight time

2h 51m

Direct flights

Every day

Airports in Phoenix

1 airport
The best one-way flight to Phoenix from Seattle in the past 72 hours is $72. The best round-trip flight deal from Seattle to Phoenix found on momondo in the last 72 hours is $98.
The fastest flight from Seattle to Phoenix takes 2h 51m
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 55m.

  • 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 $35Free CancellationRating
5.8
3,212 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $72Free CancellationRating
6.3
8,038 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $83Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $83Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $96Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $126Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,925 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