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Cheap flights from Thailand to Seattle from ฿16,597

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — SEA
13 Feb — 20 Feb1
1 adult

Cheap flight deals from Thailand to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Thailand (TH0) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 February 2025.

Round-trip from

฿21,286

One-way from

฿16,597

Popular in

August

Cheapest in

November

Average price

฿33,936
Philippine Airlines
  • Philippine Airlines
  • 1/4-30/4
  • 2 total stops
  • 71h 05m total
  • Thailand to Seattle
China Airlines
  • China Airlines
  • 4/5
  • 1 total stop
  • 30h 50m total
  • Thailand to Seattle
Highest demand for flights based on searches. 6% potential increase in price (฿76,602 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (฿16,570 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Thailand to Seattle

Cheapest flights from Thailand to Seattle
Explore the most affordable flight options available from Thailand to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 February 2025.

Tue 1/422:55BKK - SEA
1 stop34h 25mPhilippine Airlines
Wed 30/423:30SEA - BKK
1 stop28h 10mPhilippine Airlines
Deal found 8/2฿21,218
Thu 20/300:25CNX - SEA
1 stop25h 30mAsiana Airlines
Thu 17/414:05SEA - CNX
1 stop19h 35mAsiana Airlines
Deal found 7/2฿22,264
Mon 31/302:40BKK - SEA
1 stop30h 50mChina Airlines
Tue 29/401:10SEA - BKK
1 stop18h 35mChina Airlines
Deal found 8/2฿27,122
Thu 1/501:10BKK - SEA
1 stop25h 20mAsiana Airlines
Mon 12/514:05SEA - BKK
1 stop19h 05mAsiana Airlines
Deal found 7/2฿27,662
Sun 23/311:50CNX - SEA
1 stop21h 20mEVA Air
Thu 17/401:30SEA - CNX
1 stop18h 55mEVA Air
Deal found 7/2฿27,695
Tue 18/317:10BKK - SEA
1 stop16h 00mEVA Air
Thu 20/323:50SEA - BKK
1 stop21h 45mEVA Air
Deal found 7/2฿27,695
Sun 23/301:00BKK - SEA
1 stop23h 00mKorean Air
Mon 31/312:50SEA - BKK
1 stop34h 25mKorean Air
Deal found 7/2฿28,269
Sun 23/315:20CNX - SEA
1 stop32h 40mKorean Air
Fri 18/412:50SEA - CNX
1 stop19h 05mKorean Air
Deal found 7/2฿28,370
Tue 18/311:25CNX - SEA
1 stop21h 50mChina Airlines
Mon 21/401:10SEA - CNX
1 stop19h 10mChina Airlines
Deal found 7/2฿28,471
Fri 21/315:20CNX - SEA
1 stop37h 20mเดลต้า
Fri 18/412:50SEA - CNX
1 stop19h 05mเดลต้า
Deal found 7/2฿29,314
Thu 29/509:50BKK - SEA
1 stop17h 45mเดลต้า
Tue 24/613:05SEA - BKK
1 stop18h 40mเดลต้า
Deal found 7/2฿29,314
Wed 3/909:35BKK - SEA
1 stop18h 50mUnited Airlines
Wed 3/916:30SEA - BKK
2 stops46h 05mUnited Airlines
Deal found 8/2฿29,517

Find flights from Thailand to Seattle within your budget

Customise your flight search to find flights from Thailand to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 17,341 searches. Data last updated 8 February 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 1/4

22:55-19:20

1 stop34h 25m

Seattle/Tacoma Intl

Wed 30/4

23:30-17:40

1 stop28h 10m

฿21,218

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Thu 20/3

00:25-11:55

1 stop25h 30m

Seattle/Tacoma Intl

Fri 18/4

14:05-23:40

1 stop19h 35m

฿22,264

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 31/3

02:40-19:30

1 stop30h 50m

Seattle/Tacoma Intl

Tue 29/4

01:10-09:45

1 stop18h 35m

฿27,122

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 1/5

01:10-12:30

1 stop25h 20m

Seattle/Tacoma Intl

Mon 12/5

14:05-23:10

1 stop19h 05m

฿27,662

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 23/3

11:50-19:10

1 stop21h 20m

Seattle/Tacoma Intl

Thu 17/4

01:30-10:25

1 stop18h 55m

฿27,695

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 18/3

17:10-19:10

1 stop16h 00m

Seattle/Tacoma Intl

Thu 20/3

23:50-11:35

1 stop21h 45m

฿27,695

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 23/3

01:00-10:00

1 stop23h 00m

Seattle/Tacoma Intl

Mon 31/3

12:50-13:15

1 stop34h 25m

฿28,269

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Sun 23/3

15:20-10:00

1 stop32h 40m

Seattle/Tacoma Intl

Fri 18/4

12:50-21:55

1 stop19h 05m

฿28,370

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Tue 18/3

11:25-19:15

1 stop21h 50m

Seattle/Tacoma Intl

Mon 21/4

01:10-10:20

1 stop19h 10m

฿28,471

Chiang MaiSeattle

CNX - SEA

CNXSEA

Chiang Mai

Fri 21/3

15:20-14:40

1 stop37h 20m

Seattle/Tacoma Intl

Fri 18/4

12:50-21:55

1 stop19h 05m

฿29,314

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 41 results
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Best time to book a flight from Thailand to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Thailand with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Thailand to Seattle

Get recent, data-driven insights about flights from Thailand to Seattle including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from TH to SEA?

Find hourly flight availability from Thailand to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 February 2025.

When flying from Thailand to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 8 February 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Korean Air from Thailand to Seattle. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful

Boarding

9.1

Entertainment

9.1

Overall

9.1

Comfort

9.0

Crew

9.3

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful

Boarding

9.1

Entertainment

9.1

Overall

9.1

Comfort

9.0

Crew

9.3

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful

Boarding

9.1

Entertainment

9.1

Overall

9.1

Comfort

9.0

Crew

9.3

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful

Boarding

9.1

Entertainment

9.1

Overall

9.1

Comfort

9.0

Crew

9.3

Food

9.0

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

8.4
Very Good