What is the cheapest airline that flies from Seattle/Tacoma Intl to Phuket?

Singapore Airlines and Hainan Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Phuket

What airlines fly to Phuket?

Singapore Airlines, Korean Air and EVA Air 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 57% of people opting to fly with this airline when traveling to Phuket. Keep in mind that there are 6 different airlines that fly to Phuket on a routine basis, so you have a few additional options to choose from.

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 December 2025, there are 6 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.

$278 Cheap Flights from Seattle to Phuket in 2025/26

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Find the cheapest flights from Seattle to Phuket

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 2:05 pm

SEA

HKT

38h 20m1 stop

9:55 am - 8:45 am

HKT

SEA

36h 50m1 stop

$594Singapore Airlines

Sun, Mar 15 - Wed, Apr 15

8:45 am - 9:15 am

SEA

HKT

33h 30m1 stop

8:40 am - 7:10 am

HKT

SEA

37h 30m1 stop

$610Singapore Airlines

Tue, Feb 3 - Thu, Feb 12

9:45 am - 7:25 pm

SEA

HKT

19h 40m1 stop

8:40 am - 8:10 am

HKT

SEA

37h 30m1 stop

$688Singapore Airlines

Thu, Mar 12 - Wed, Mar 18

12:10 am - 9:35 pm

SEA

HKT

31h 25m1 stop

10:15 pm - 2:55 pm

HKT

SEA

30h 40m1 stop

$712Asiana Airlines

Sun, Mar 15 - Wed, Apr 15

12:10 am - 9:35 pm

SEA

HKT

30h 25m1 stop

10:55 pm - 1:55 pm

HKT

SEA

30h 00m1 stop

$713Asiana Airlines

Sun, Feb 8 - Thu, Feb 26

12:10 am - 9:35 pm

SEA

HKT

30h 25m1 stop

10:55 pm - 1:55 pm

HKT

SEA

30h 00m1 stop

$719Asiana Airlines

Wed, Feb 4 - Thu, Feb 12

12:10 am - 9:35 pm

SEA

HKT

30h 25m1 stop

10:55 pm - 1:55 pm

HKT

SEA

30h 00m1 stop

$741Asiana Airlines

Mon, Jan 19 - Tue, Jan 27

12:10 am - 9:35 pm

SEA

HKT

30h 25m1 stop

10:55 pm - 1:55 pm

HKT

SEA

30h 00m1 stop

$749Asiana Airlines

Mon, Jan 19 - Tue, Jan 27

12:50 pm - 10:10 pm

SEA

HKT

19h 20m1 stop

11:25 pm - 10:40 am

HKT

SEA

25h 15m1 stop

$752Korean Air

Tue, Apr 7 - Tue, Apr 14

12:10 am - 9:35 pm

SEA

HKT

31h 25m1 stop

10:15 pm - 2:55 pm

HKT

SEA

30h 40m1 stop

$754Asiana Airlines

Mon, Mar 16 - Wed, Apr 15

Korean Air flights from Seattle to Phuket

Our best Korean Air deals on Seattle to Phuket flight tickets

Korean Air

Apr 7

SEA12:50 pmSeattle/Tacoma Intl

19h 20m

1 stop

HKT10:10 pmPhuket City

Apr 14

HKT11:25 pmPhuket City

25h 15m

1 stop

SEA10:40 amSeattle/Tacoma Intl

$752

Find similar

Korean Air

Apr 7

SEA12:50 pmSeattle/Tacoma Intl

19h 20m

1 stop

HKT10:10 pmPhuket City

Apr 14

HKT11:25 pmPhuket City

29h 30m

2 stops

SEA2:55 pmSeattle/Tacoma Intl

$763

Find similar

Korean Air

Feb 1

SEA11:00 amSeattle/Tacoma Intl

20h 10m

1 stop

HKT10:10 pmPhuket City

Feb 14

HKT11:40 pmPhuket City

33h 05m

2 stops

SEA5:45 pmSeattle/Tacoma Intl

$782

Find similar

Singapore Airlines flights from Seattle to Phuket

Our best Singapore Airlines deals on Seattle to Phuket flight tickets

Singapore Airlines

Mar 15

SEA9:45 amSeattle/Tacoma Intl

38h 20m

1 stop

HKT2:05 pmPhuket City

Apr 15

HKT9:55 amPhuket City

36h 50m

1 stop

SEA8:45 amSeattle/Tacoma Intl

$594

Find similar

Singapore Airlines

Feb 3

SEA8:45 amSeattle/Tacoma Intl

33h 30m

1 stop

HKT9:15 amPhuket City

Feb 12

HKT8:40 amPhuket City

37h 30m

1 stop

SEA7:10 amSeattle/Tacoma Intl

$610

Find similar

Singapore Airlines

Mar 12

SEA9:45 amSeattle/Tacoma Intl

19h 40m

1 stop

HKT7:25 pmPhuket City

Mar 18

HKT8:40 amPhuket City

37h 30m

1 stop

SEA8:10 amSeattle/Tacoma Intl

$688

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 3/15

9:45 am-2:05 pm

1 stop38h 20m

Phuket City

Wed 4/15

9:55 am-8:45 am

1 stop36h 50m

$594

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 2/3

8:45 am-9:15 am

1 stop33h 30m

Phuket City

Thu 2/12

8:40 am-7:10 am

1 stop37h 30m

$610

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Thu 3/12

9:45 am-7:25 pm

1 stop19h 40m

Phuket City

Wed 3/18

8:40 am-8:10 am

1 stop37h 30m

$688

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 3/15

12:10 am-9:35 pm

1 stop31h 25m

Phuket City

Wed 4/15

10:15 pm-2:55 pm

1 stop30h 40m

$712

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Sun 2/8

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Thu 2/26

10:55 pm-1:55 pm

1 stop30h 00m

$713

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Wed 2/4

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Thu 2/12

10:55 pm-1:55 pm

1 stop30h 00m

$719

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 1/19

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Tue 1/27

10:55 pm-1:55 pm

1 stop30h 00m

$741

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 1/19

12:10 am-9:35 pm

1 stop30h 25m

Phuket City

Tue 1/27

10:55 pm-1:55 pm

1 stop30h 00m

$749

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Tue 4/7

12:50 pm-10:10 pm

1 stop19h 20m

Phuket City

Tue 4/14

11:25 pm-10:40 am

1 stop25h 15m

$752

SeattlePhuket City

SEA - HKT

SEAHKT

Seattle/Tacoma Intl

Mon 3/16

12:10 am-9:35 pm

1 stop31h 25m

Phuket City

Wed 4/15

10:15 pm-2:55 pm

1 stop30h 40m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to Phuket?

The cheapest month to fly to Phuket from Seattle is in January. Flight prices, which tend to average around $761, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $766.

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 weeks ahead of your departure date. In general, you can expect to find flights to Phuket for around $996 when searching 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 $591 on momondo.

Cheap Seattle to Phuket flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Phuket

Fastest flight time	18h 50m
Direct flights	None

The fastest flight from Seattle to Phuket takes 18h 50m

There are no direct flights from Seattle to Phuket. There are no popular flight routes from Seattle to Phuket.

Search flight deals

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 December 2025, there are 6 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
Singapore Airlines	PriceFrom $551	Free Cancellation	Rating 8.1 1,417 reviews	Search Singapore Airlines flights
Asiana Airlines	PriceFrom $675	Free Cancellation	Rating 8.2 496 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $798	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
Delta	PriceFrom $835	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Qatar Airways	PriceFrom $896	Free Cancellation	Rating 7.4 3,686 reviews	Search Qatar Airways flights
EVA Air	PriceFrom $935	Free Cancellation	Rating 8.4 1,298 reviews	Search EVA Air flights

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.