Frontier offers extra comfort seats with 32” separation for a fee, enhancing short flight comfort.
Frontier’s Zone 1 boarding is available with a carry-on purchase or special fare bundle.
Round-trip from | $120 (Cheapflightsfares) |
---|---|
One-way from | $58 (Cheapflightsfares) |
Popular in | December |
Cheapest in | September |
Average price | $246 |
Fly from
Fly to
Route
Depart
Return
Price
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 5/9
9:42 pm-12:44 am
Nonstop3h 02m
Phoenix Sky Harbor Intl
Tue 5/13
12:04 pm-3:20 pm
Nonstop3h 16m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 4/30
12:30 pm-1:28 pm
1 stop24h 58m
Phoenix Sky Harbor Intl
Mon 5/5
2:34 pm-11:35 am
1 stop21h 01m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Thu 5/1
9:42 pm-12:44 am
Nonstop3h 02m
Phoenix Sky Harbor Intl
Mon 5/5
2:34 pm-11:35 am
1 stop21h 01m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 4/29
5:45 pm-8:37 pm
Nonstop2h 52m
Phoenix Sky Harbor Intl
Wed 5/7
7:09 pm-10:25 pm
Nonstop3h 16m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Wed 4/23
8:13 am-3:49 pm
1 stop7h 36m
Phoenix Sky Harbor Intl
Tue 4/29
6:00 am-9:10 am
Nonstop3h 10m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 5/2
3:55 pm-6:47 pm
Nonstop2h 52m
Phoenix Sky Harbor Intl
Fri 5/2
8:51 pm-11:59 pm
Nonstop3h 08m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Fri 5/9
3:10 pm-6:00 pm
Nonstop2h 50m
Phoenix Sky Harbor Intl
Mon 5/12
6:40 pm-12:25 am
1 stop5h 45m
SeattlePhoenix
SEA - AZA
SEAAZA
Seattle/Tacoma Intl
Wed 5/14
6:00 am-9:25 am
1 stop27h 25m
Phoenix-Mesa Gateway
Sun 5/18
4:57 pm-12:10 am
1 stop7h 13m
SeattlePhoenix
SEA - PHX
SEAPHX
Seattle/Tacoma Intl
Tue 4/8
3:24 pm-9:17 pm
1 stop5h 53m
Phoenix Sky Harbor Intl
Mon 4/14
6:00 am-1:59 pm
1 stop7h 59m
SeattlePhoenix
SEA - AZA
SEAAZA
Seattle/Tacoma Intl
Sun 4/13
8:30 am-5:18 pm
1 stop8h 48m
Phoenix-Mesa Gateway
Thu 4/17
5:30 pm-5:19 pm
1 stop23h 49m
To ensure you get the cheapest price possible for a flight from Seattle to Phoenix, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Seattle to Phoenix (average of $258). Flying from Seattle to Phoenix in March is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
One of the essential ways to save on airfare from Seattle to Phoenix is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 36% on airfare.
Travelers seeking maximum savings on their Seattle to Phoenix flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEA to PH1 are scheduled on a Thursday (66 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (29 on average).
In terms of precipitation, rainfall in Phoenix ranges from 0.0 - 1.1 inches per month. July is typically the wettest month, when rainfall can reach 1.1 in. June is typically the driest time to visit Phoenix when rainfall is around 0.0 in.
If weather is an important factor for your trip to Phoenix, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 95.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 55.4 F).
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Boarding
Entertainment
Overall
Crew
Food
Comfort
Reviews
Ila,Mar 2025
HOU - DAL
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$35 | Average$131 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$83 | Average$228 | FlexibilityNo cancel fee | On-time85% | |
Cheapest$86 | Average$142 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$97 | Average$186 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$119 | Average$274 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$133 | Average$345 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$161 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$246 | Average$365 | FlexibilityNo cancel fee | On-time69% |