Cheap flights from Seattle to Phuket from $397
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Phuket departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Seattle to Phuket
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Singapore Airlines flights from Seattle to Phuket
Our best Singapore Airlines deals on Seattle to Phuket flight tickets
Korean Air flights from Seattle to Phuket
Our best Korean Air deals on Seattle to Phuket flight tickets
See travel insights to Phuket from
How to get the cheapest flight ticket from Seattle to Phuket
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 Phuket?
The cheapest month to fly to Phuket from Seattle is in March. Flight prices, which tend to average around $891, are often lower during this time because this is during the off-season. If you aren’t able to travel to Phuket during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $915.
What is the cheapest day to depart on your flight to Phuket?
The cheapest day to depart from Seattle to Phuket is on a Thursday when prices can be found for as low as $1,004. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,334. These prices are subject to change though, so be sure to set up a Price Alert for flights to Phuket.
What is the cheapest time of day to depart on your flight to Phuket?
Our data shows that the cheapest Seattle to Phuket flights are usually those with departure times in the morning. Our users have found flights to Phuket in the morning for as low as $1,033. In the afternoon is when there is more demand to fly to Phuket, so prices are often more expensive at around $1,383 per ticket.
How far in advance should I book a flight to Phuket?
You are more likely to see cheaper flights to Phuket from Seattle when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Phuket for around $1,150 when searching 16 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Phuket from Seattle for as low as $855 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Phuket?
Korean Air, Singapore Airlines, and EVA Air are the most popular carriers operating from Seattle/Tacoma Intl to Phuket
What airlines fly to Phuket?
Singapore Airlines, Korean Air and Qatar Airways are the top three most popular airlines that fly to Phuket from Seattle according to our data. Singapore Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Phuket. Keep in mind that there are 5 different airlines that fly to Phuket on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Phuket flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Phuket
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Phuket?
Prices for flights from Seattle/Tacoma Intl Airport to Phuket were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Phuket?
As of June 2025, there are 5 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Phuket.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Phuket?
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 Seattle/Tacoma Intl Airport to Phuket.
What documentation or ID do you need to fly to Phuket?
The necessary travel and health documents for your Phuket trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to Phuket
Compare and see reviews for airlines that fly from Seattle to Phuket with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $692 | Free Cancellation | Rating 8.1 1,302 reviews | |||
| PriceFrom $834 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $861 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $924 | Free Cancellation | Rating 7.4 3,584 reviews | |||
| PriceFrom $1,008 | Free Cancellation | Rating 8.4 1,202 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Seattle to Phuket?
Finding the right flight to Phuket from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Phuket quick and easy, saving you time and money.
Can I find flights from Seattle to Phuket with flexible booking policies on momondo?
Flights from Seattle to Phuket with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Phuket?
momondo helps you find the best flight between Seattle and Phuket by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Phuket right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Seattle to Phuket now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Phuket and let you know when they change.