Cheap flights from Seattle to Phoenix Sky Harbor Intl Airport from £78
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PHX
18 Oct — 25 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Phoenix Sky Harbor Intl are usually found in January or February, booked 63 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from Seattle to Sky Harbor Intl
Enter your travel dates to find the best prices.
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Cheapest flights from Seattle to Sky Harbor Intl
Explore the most affordable flight options available from Seattle to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.
Sat 24/1007:27 -
Nonstop3h 05m
Sat 24/1012:45 -
Nonstop3h 10m
Deal found 16/9£151
Tue 6/1018:20 -
Nonstop2h 55m
Tue 13/1006:40 -
Nonstop3h 20m
Deal found 15/9£155
Tue 13/1005:35 -
Nonstop2h 45m
Tue 27/1015:40 -
Nonstop3h 05m
Deal found 17/9£156
Tue 6/1005:35 -
Nonstop2h 45m
Tue 13/1020:55 -
Nonstop3h 00m
Deal found 14/9£156
Tue 10/1116:40 -
1 stop4h 55m
Tue 17/1116:50 -
Nonstop3h 15m
Deal found 14/9£160
Tue 10/1105:40 -
Nonstop2h 50m
Sat 14/1114:20 -
1 stop5h 15m
Deal found 17/9£162
Tue 6/1011:00 -
1 stop5h 00m
Tue 20/1015:40 -
Nonstop3h 05m
Deal found 14/9£164
Mon 9/1120:07 -
Nonstop2h 52m
Tue 10/1119:19 -
Nonstop3h 12m
Deal found 17/9£166
Tue 13/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 16/9£167
Tue 6/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 13/9£168
Tue 6/1013:20 -
1 stop5h 17m
Wed 7/1008:00 -
1 stop7h 50m
Deal found 16/9£170
Best flights from Seattle to Sky Harbor Intl
Discover carefully curated flight deals from Seattle to Sky Harbor Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.
Wed 11/1113:42 -
Nonstop2h 53m
Sun 15/1106:10 -
Nonstop3h 15m
Deal found 16/9£181
Fri 16/1018:50 -
Nonstop2h 50m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 13/9£193
Fri 6/1118:20 -
Nonstop2h 55m
Mon 9/1116:48 -
Nonstop3h 10m
Deal found 16/9£188
Thu 25/219:15 -
1 stop4h 35m
Mon 1/310:00 -
2 stops8h 00m
Deal found 17/9£194
Thu 19/1105:40 -
Nonstop2h 50m
Mon 23/1119:00 -
1 stop7h 20m
Deal found 15/9£196
Tue 20/1012:00 -
Nonstop3h 04m
Thu 29/1015:59 -
Nonstop3h 11m
Deal found 13/9£200
Sat 7/1108:35 -
2 stops9h 15m
Sat 14/1114:00 -
2 stops7h 15m
Deal found 13/9£197
Fri 13/1120:00 -
Nonstop2h 56m
Mon 16/1106:10 -
Nonstop3h 15m
Deal found 18/9£207
Thu 29/1007:15 -
Nonstop3h 04m
Mon 2/1109:00 -
Nonstop3h 22m
Deal found 14/9£207
Sat 14/1108:35 -
2 stops9h 20m
Thu 19/1115:10 -
2 stops7h 30m
Deal found 17/9£211
Sun 24/105:40 -
2 stops7h 35m
Wed 27/109:00 -
2 stops8h 00m
Deal found 14/9£212
Direct flights from Seattle to Sky Harbor Intl
Explore direct flight options from Seattle to Sky Harbor Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2026.
Sat 24/1007:27 -
Nonstop3h 05m
Sat 24/1012:45 -
Nonstop3h 10m
Deal found 16/9£151
Tue 6/1018:20 -
Nonstop2h 55m
Tue 13/1006:40 -
Nonstop3h 20m
Deal found 15/9£155
Tue 13/1005:35 -
Nonstop2h 45m
Tue 27/1015:40 -
Nonstop3h 05m
Deal found 17/9£156
Tue 6/1005:35 -
Nonstop2h 45m
Tue 20/1020:55 -
Nonstop3h 00m
Deal found 14/9£156
Mon 9/1120:07 -
Nonstop2h 52m
Tue 10/1119:19 -
Nonstop3h 12m
Deal found 17/9£166
Tue 13/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 17/9£167
Tue 6/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 13/9£168
Tue 10/1105:40 -
Nonstop2h 50m
Sat 14/1116:00 -
Nonstop3h 15m
Deal found 16/9£174
Sat 7/1105:30 -
Nonstop2h 50m
Wed 11/1116:50 -
Nonstop3h 15m
Deal found 14/9£174
Thu 3/1207:25 -
Nonstop3h 04m
Thu 3/1216:50 -
Nonstop3h 15m
Deal found 15/9£177
Thu 22/1018:50 -
Nonstop2h 50m
Mon 26/1007:50 -
Nonstop3h 05m
Deal found 17/9£178
Wed 7/1018:54 -
Nonstop2h 54m
Sat 17/1006:02 -
Nonstop3h 10m
Deal found 17/9£179
Last-minute flights from Seattle to Sky Harbor Intl
Discover last-minute flight deals from Seattle to Sky Harbor Intl. Data last updated 18 September 2026 and is based on user searches.
Tue 6/1018:20 -
Nonstop2h 55m
Tue 13/1006:40 -
Nonstop3h 20m
Deal found 15/9£155
Tue 6/1005:35 -
Nonstop2h 45m
Tue 20/1020:55 -
Nonstop3h 00m
Deal found 14/9£156
Tue 6/1011:00 -
1 stop6h 40m
Tue 13/1020:55 -
Nonstop3h 00m
Deal found 14/9£164
Tue 6/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 13/9£168
Tue 6/1013:20 -
1 stop5h 17m
Wed 7/1008:00 -
1 stop7h 50m
Deal found 16/9£170
Tue 13/1005:35 -
Nonstop2h 45m
Tue 27/1015:40 -
Nonstop3h 05m
Deal found 17/9£156
Tue 13/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 17/9£167
Wed 14/1005:35 -
Nonstop2h 45m
Wed 21/1016:20 -
1 stop5h 40m
Deal found 16/9£162
Wed 14/1005:35 -
Nonstop2h 45m
Mon 19/1022:30 -
Nonstop3h 10m
Deal found 16/9£166
Wed 14/1006:30 -
1 stop5h 23m
Wed 21/1006:33 -
2 stops7h 44m
Deal found 15/9£174
Sat 24/1007:27 -
Nonstop3h 05m
Sat 24/1012:45 -
Nonstop3h 10m
Deal found 16/9£151
One-way flights from Seattle to Sky Harbor Intl
Search for one-way flight options from Seattle to Sky Harbor Intl. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.
Wed 14/1005:35 -
Nonstop2h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£78
Sat 16/106:05 -
Nonstop2h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£79
Tue 8/1216:40 -
1 stop4h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£82
Tue 1/1216:40 -
1 stop5h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£82
Wed 14/1006:30 -
1 stop5h 23m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£85
Thu 22/1020:15 -
Nonstop3h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£89
Sat 27/208:05 -
2 stops7h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£90
Tue 20/1018:20 -
Nonstop2h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£91
Thu 3/1216:40 -
1 stop5h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£93
Thu 15/1006:15 -
1 stop6h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£96
Fri 16/1020:15 -
Nonstop3h 03m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£100
Find flight deals from Seattle to Sky Harbor Intl
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sky Harbor Intl (PHX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 September 2026.
Customise your flight search to find flights from Seattle to Sky Harbor Intl 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, Cheapflights users made 7,457,451 searches. Data last updated 18 September 2026.
Use the filters below to find and compare flights from Seattle to Phoenix Sky Harbor Intl Airport that are best for you.
Flights are sorted by cheapest return flights first.
Deals found on 17/9
Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Sky Harbor Intl
Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Seattle with our price prediction graph.
SEA-PHX
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Phoenix Sky Harbor Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
To ensure you get the cheapest price possible for a flight from Seattle to Phoenix Sky Harbor Intl Airport, you should look to book at least 62 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.
What is the cheapest month to book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of £141). Flying from Seattle to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £220). 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.
What is the cheapest time of day to fly from SEA to PHX?
Find hourly flight availability from Seattle to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2026.
When flying from Seattle to Phoenix Sky Harbor Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 47% versus a flight in the morning.
How much does it cost for a return flight from Seattle to Phoenix Sky Harbor Intl Airport?
Airfare is below average for this route at the moment.
Seattle to Phoenix Sky Harbor Intl Airport flights typically cost between £163 and £246 in October.The cheapest return price found within the last 5 days was £151 on Alaska Airlines (24 Oct–24 Oct).
Weekly flight availability from Seattle to Phoenix Sky Harbor Intl Airport
Explore weekly flight availability from Seattle to Sky Harbor Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 18 September 2026.
The most flights from SEA to PHX are scheduled on a Thursday (43 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How often are flights from Seattle to Phoenix delayed?
About 16% of weekly flights between Seattle and Phoenix have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Seattle to Phoenix flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to Phoenix flights?
Over the past year, American Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Seattle to Sky Harbor Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Seattle to Phoenix Sky Harbor Intl?
Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Phoenix Sky Harbor Intl from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Phoenix Sky Harbor Intl should be relatively easy as there are 25 daily outbound flights to Phoenix Sky Harbor Intl from 0 different airlines.
How long is the flight from Seattle to Phoenix Sky Harbor Intl Airport?
A quick flight from Seattle to Phoenix Sky Harbor Intl Airport can take about 2h 53m. Southwest provides one of the quickest options available for as low as £181. Seattle and Phoenix Sky Harbor Intl Airport are separated by a distance of 1107 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from Seattle to Phoenix Sky Harbor Intl Airport?
The top 3 most reliable airlines when flying from Seattle to Phoenix Sky Harbor Intl Airport are WestJet (89%), KLM (84%) and Qatar Airways (82%).
Can I find deals for flights from Seattle to Sky Harbor Intl that include hotel bookings?
Yes. In addition to deals on Seattle to Sky Harbor Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Seattle to Sky Harbor Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sky Harbor Intl.
Can I find deals for business class flights from Seattle to Sky Harbor Intl?
Yes. Cheapflights offers flight deals from Seattle to Sky Harbor Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Phoenix Sky Harbor Intl Airport?
Currently, January is the cheapest month in which you can book a flight from Seattle to Phoenix Sky Harbor Intl Airport (average of £141). Flying from Seattle to Phoenix Sky Harbor Intl Airport in June is currently the most expensive (average of £220). 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.
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.
Explore flights to Sky Harbor Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to Sky Harbor Intl?
When you search for this flight from Seattle to Sky Harbor Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to Sky Harbor Intl?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to Sky Harbor Intl for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Seattle to Sky Harbor Intl with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Seattle to Sky Harbor Intl flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Seattle to Sky Harbor Intl become cheaper?
Of course! You can now track prices for flights from Seattle to Sky Harbor Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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