Cheap Flights from Phoenix (PHX) to Seattle (LKE)

Popular airlines from Phoenix Sky Harbor Intl. Airport (PHX) to Seattle, WA (LKE-Lake Union Seaplane Base)

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $202
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $202
Select flight to Snohomish County - Paine Field PAE. Average driving time to city center is 29 minutes. Flights from $251
PAE
Snohomish County - Paine Field
Average driving time to city center29 min
Flights from $251

Frequently asked questions

How much does a flight from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE) cost?
Get a cheap one-way flight or cheap return flight from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE)?
Flying in is a good way to save, as it's the cheapest month for flights between PHX and LKE. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest PHX to LKE flight.
How many flights per day from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE)?
Nonstop flights from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PHX to LKE?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE)?
To touch down at Lake Union Seaplane Base Airport (LKE) without delays, opt for a flight that leaves Sky Harbor Intl. Airport (PHX) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Sky Harbor Intl. Airport (PHX)?
If you're traveling on a direct flight from Sky Harbor Intl. Airport (PHX) to Seattle, you can arrive at either Seattle - Tacoma Intl. Airport (SEA) or Snohomish County - Paine Field Airport (PAE).
Is it cheaper to buy a plane ticket from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE) last-minute?
Last-minute bookings from PHX to LKE are typically more expensive. To secure the best rates, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a PHX to LKE flight and hotel package?
You'll generally save money by booking a PHX to LKE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After selecting your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sky Harbor Intl. Airport (PHX) to Lake Union Seaplane Base Airport (LKE)?
Typically, it's possible to reschedule or cancel your PHX to LKE flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Sky Harbor Intl.
Destination airport
Lake Union Seaplane Base
Distance
1118 mi

Book with confidence

Phoenix to Seattle Flights

The cheapest times to fly from Phoenix to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phoenix to Seattle are during the month of . You can find some of the cheapest flights from Phoenix to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phoenix to Seattle

Sunday is one of the best days to book for cheap flights from Phoenix to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phoenix to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phoenix to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phoenix to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phoenix to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Phoenix to Seattle Flights

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*Available to One Key members.