Cheap flights from Phoenix Sky Harbor Intl Airport to Seattle from $29
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 Sky Harbor Intl Airport to Seattle departing on 5/29. 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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Frontier flights from Phoenix Sky Harbor Intl Airport to Seattle
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Spirit Airlines flights from Phoenix Sky Harbor Intl Airport to Seattle
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How to get the cheapest flight ticket from Phoenix Sky Harbor Intl Airport 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
What is the cheapest month to fly to Seattle?
In general, January is the cheapest month to fly from Phoenix Sky Harbor Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $146. If you don’t want to visit Seattle in January, then you should wait until September to fly from Phoenix Sky Harbor Intl Airport, when ticket prices are also cheap, with an average price of $158.
What is the cheapest day to depart on your flight to Seattle?
On average, the least expensive day to fly to Seattle from Phoenix Sky Harbor Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $252. 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 Sky Harbor Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $395.
What is the cheapest time of day to depart on your flight to Seattle?
Flying to Seattle from Phoenix Sky Harbor Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $210 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $361. 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 Sky Harbor Intl to Seattle/Tacoma Intl flight route?
Fly from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl for the best Phoenix Sky Harbor Intl - 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 Sky Harbor Intl Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $183 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Phoenix Sky Harbor Intl Airport for as low as $160 on momondo.
What cabin class options are available on Phoenix Sky Harbor Intl to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Phoenix Sky Harbor Intl 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 Sky Harbor Intl to Seattle/Tacoma Intl?
Frontier, Spirit Airlines, and Alaska Airlines are the most popular carriers operating from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl
What airlines fly to Seattle?
Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to Seattle from Phoenix Sky Harbor Intl Airport according to our data. Alaska Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 9 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 Sky Harbor Intl Airport to Seattle on average per day?
41 flights are operational daily from Phoenix Sky Harbor Intl Airport to Seattle as of April 2025. The most popular departure time for this route is 11:00AM, with 52% of flights per day taking off at noon.
How many flights depart from Phoenix Sky Harbor Intl Airport to Seattle on average per week?
As of April 2025, 291 flights take off from Phoenix Sky Harbor Intl Airport and land in Seattle each week. The most common flight departure day for this route is Mon, with 22% of weekly flights taking off on this day.
When to book flights from Phoenix Sky Harbor Intl Airport to Seattle
Cheap Phoenix Sky Harbor Intl Airport to Seattle (PHX to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Phoenix Sky Harbor Intl Airport to Seattle
How far is Phoenix Sky Harbor Intl to Seattle/Tacoma Intl by plane?
Phoenix Sky Harbor Intl and Seattle/Tacoma Intl are 1117.0 mi apart from one another. Typically, this will take 3h 00m by plane in normal conditions.
When did momondo last update prices for flights from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport?
As of April 2025, there are 9 operators available to choose from for flights from Phoenix Sky Harbor Intl Airport to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from Phoenix Sky Harbor Intl Airport 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 Sky Harbor Intl Airport 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.
What is the most popular plane model from Phoenix Sky Harbor Intl Airport to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Phoenix Sky Harbor Intl Airport to Seattle is Boeing 737-800 Passenger/BBJ2 (winglets) (18.75% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (14.35%), Airbus A320neo (13.28%), and Embraer 175 (8.62%).
What is the most popular airline from Phoenix Sky Harbor Intl Airport to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Phoenix Sky Harbor Intl Airport to Seattle is Delta (33% of total bookings). The next most popular airlines are Frontier (31%), Alaska Airlines (30%), and Southwest (2%).
Best airlines flying from Phoenix Sky Harbor Intl Airport to Seattle
Compare and see reviews for airlines that fly from Phoenix Sky Harbor Intl Airport to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $43 | Free Cancellation | Rating 5.9 3,277 reviews | |||
| PriceFrom $95 | Free Cancellation | Rating 6.3 7,888 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 8.0 7,897 reviews | |||
| PriceFrom $100 | Free Cancellation | Rating 8.0 4,274 reviews | |||
| PriceFrom $104 | Free Cancellation | Rating 7.9 2,344 reviews | |||
| PriceFrom $118 | Free Cancellation | Rating 8.0 9,825 reviews | |||
| PriceFrom $167 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $182 | Free Cancellation | Rating 7.4 8,616 reviews |
Delta Flights From Phoenix Sky Harbor Intl Airport to Seattle
The lowest priced Delta flight from Phoenix Sky Harbor Intl Airport to Seattle from the last 72 hours was $98. Generally, Delta has 16 flights on this route every week with an average price of $206. Delta is rated 8.0/10 by our users.
Southwest Flights From Phoenix Sky Harbor Intl Airport to Seattle
Southwest (8.0/10 from 4,274 reviews) operates around 15 flights from Phoenix Sky Harbor Intl Airport to Seattle in any given week. The average Southwest airfare for this route is around $198, with deals from around $100 rare but found on momondo. Referenced prices are for round-trip Phoenix Sky Harbor Intl Airport to Seattle flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Phoenix to Seattle?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Phoenix to Seattle. momondo saves you time and could save you money on your trip.
Can I find flights from Phoenix to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Phoenix to Seattle flights to just show those with flexible booking policies.
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?
Yes. momondo can track prices for Phoenix to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.