Cheap flights from Phoenix to Seattle from $18
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Phoenix to Seattle departing on 5/7. 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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One-way
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Cheap round-trip flights
These are some of the best round-trip flight deals from Phoenix to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Phoenix to Seattle.
Cheap last minute flights
Planning a quick getaway from Phoenix to Seattle? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.
Frontier flights from Phoenix to Seattle
Our best Frontier deals on Phoenix to Seattle flight tickets
Frontier![Frontier]()
May 7![Frontier]()
May 14
PHX12:04 pmPhoenix Sky Harbor Intl
3h 16m
SEA3:20 pmSeattle/Tacoma Intl
SEA9:42 pmSeattle/Tacoma Intl
3h 02m
PHX12:44 amPhoenix Sky Harbor Intl
Frontier![Frontier]()
Mar 6![Frontier]()
Mar 11
PHX12:08 pmPhoenix Sky Harbor Intl
3h 14m
SEA2:22 pmSeattle/Tacoma Intl
SEA8:59 pmSeattle/Tacoma Intl
3h 00m
PHX11:59 pmPhoenix Sky Harbor Intl
Spirit Airlines flights from Phoenix to Seattle
Our best Spirit Airlines deals on Phoenix to Seattle flight tickets
Spirit Airlines![Spirit Airlines]()
Mar 6![Spirit Airlines]()
Mar 18
PHX3:38 pmPhoenix Sky Harbor Intl
21h 08m
1 stop
SEA11:46 amSeattle/Tacoma Intl
SEA12:41 pmSeattle/Tacoma Intl
26h 26m
1 stop
PHX3:07 pmPhoenix Sky Harbor Intl
Spirit Airlines![Spirit Airlines]()
Mar 6![Spirit Airlines]()
Mar 12
PHX3:38 pmPhoenix Sky Harbor Intl
21h 08m
1 stop
SEA11:46 amSeattle/Tacoma Intl
SEA12:41 pmSeattle/Tacoma Intl
24h 36m
1 stop
PHX1:17 pmPhoenix Sky Harbor Intl
See travel insights to Seattle from
How to get the cheapest flight ticket from Phoenix to Seattle
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
Prices
Airlines
Other information
What is the cheapest month to fly to Seattle?
In general, September is the cheapest month to fly from Phoenix to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $153. If you don’t want to visit Seattle in September, then you should wait until January to fly from Phoenix, when ticket prices are also cheap, with an average price of $156.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Phoenix is on a Friday. momondo users have found tickets for Friday departures for as low as $248. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Phoenix because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $390.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Phoenix in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $186 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $350. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Phoenix to Seattle/Tacoma Intl flight route?
Fly from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl for the best Phoenix - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Phoenix when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $180 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Phoenix for as low as $157 on momondo.
What cabin class options are available on Phoenix to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Phoenix to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Phoenix to Seattle/Tacoma Intl?
Frontier, Spirit Airlines, and Delta are the most popular carriers operating from Phoenix to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Frontier and Delta are the top three most popular airlines that fly to Seattle from Phoenix according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Phoenix to Seattle on average per day?
32 flights are operational daily from Phoenix to Seattle as of January 2025. The most popular departure time for this route is 8:00AM, with 53% of flights per day taking off at noon.
How many flights depart from Phoenix to Seattle on average per week?
As of January 2025, 227 flights take off from Phoenix and land in Seattle each week. The most common flight departure day for this route is Thu, with 25% of weekly flights taking off on this day.
Cheap Phoenix to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix to Seattle
Best Price Found | $18 |
|---|---|
Fastest flight time | 3h 06m |
Direct flights | Mon, Tue, Thu, Fri, Sat and Sun |
Airports in Seattle | 1 airport |
How far is Phoenix to Seattle/Tacoma Intl by plane?
There are 1114.3 mi between Phoenix and Seattle/Tacoma Intl. By plane, this route typically takes 3h 06m.
When did momondo last update prices for flights from Phoenix to Seattle/Tacoma Intl Airport?
Prices for flights from Phoenix to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Phoenix to Seattle/Tacoma Intl Airport?
As of January 2025, there are 7 operators available to choose from for flights from Phoenix to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Phoenix to Seattle/Tacoma 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 Phoenix to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
Best airlines flying from Phoenix to Seattle
Compare and see reviews for airlines that fly from Phoenix to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $44 | Free Cancellation | Rating 6.0 3,428 reviews | |||
| PriceFrom $95 | Free Cancellation | Rating 6.3 8,087 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 8.0 8,454 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 8.1 4,587 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 9,688 reviews | |||
| PriceFrom $164 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $349 | Free Cancellation | Rating 7.4 8,913 reviews |
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsLeavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Kent
Renton
Tukwila
Federal Way
Lynnwood
Kirkland
Fife
Puyallup
Redmond
Lakewood
Shoreline
Centralia
Bothell
Cle Elum
Lacey
Why use momondo?
Why should I use momondo to find a flight deal from Phoenix to Seattle?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Phoenix to Seattle. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Phoenix to Seattle with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seattle from Phoenix which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Phoenix to Seattle?
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 Seattle from Phoenix.
I’m not ready to book a flight from Phoenix to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Phoenix to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.
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