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฿16,885+ Cheap flights to Seattle

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
— SEA
9 Dec — 16 Dec1
1 adult

Find flights to Seattle within your budget

Locate flights to Seattle that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 19,443 searches and data was last updated on 4 December 2024.

Fly from

Any airport

Route

Depart

Return

Price

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 22/5

22:50-19:20

1 stop34h 30m

Seattle/Tacoma Intl

Wed 9/7

23:30-21:50

1 stop32h 20m

฿20,840

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/2

09:40-09:00

1 stop38h 20m

Seattle/Tacoma Intl

Thu 13/2

11:00-00:45

1 stop22h 45m

฿27,615

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 18/5

17:30-19:30

1 stop16h 00m

Seattle/Tacoma Intl

Sun 6/7

01:40-09:45

1 stop18h 05m

฿28,062

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Wed 9/4

17:40-16:10

1 stop36h 30m

Seattle/Tacoma Intl

Mon 14/4

01:15-12:00

1 stop20h 45m

฿28,406

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Sun 9/2

01:50-14:40

2 stops51h 50m

Seattle/Tacoma Intl

Thu 13/2

21:31-00:20

2 stops35h 49m

฿28,612

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 19/5

09:50-14:05

1 stop18h 15m

Seattle/Tacoma Intl

Wed 9/7

12:05-23:35

1 stop21h 30m

฿28,956

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Mon 10/2

07:10-09:59

2 stops41h 49m

Seattle/Tacoma Intl

Thu 13/2

06:15-00:05

2 stops50h 50m

฿29,334

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 23/1

20:00-14:30

2 stops33h 30m

Seattle/Tacoma Intl

Thu 30/1

19:05-14:35

2 stops28h 30m

฿29,575

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Thu 19/12

11:30-18:10

1 stop21h 40m

Seattle/Tacoma Intl

Thu 26/12

00:10-01:25

1 stop34h 15m

฿29,644

BangkokSeattle

BKK - SEA

BKKSEA

Bangkok Suvarnabhumi

Tue 28/1

08:05-18:50

2 stops25h 45m

Seattle/Tacoma Intl

Wed 12/2

06:00-23:35

2 stops26h 35m

฿29,953

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 28 results
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Flights to Seattle in 2024

Find the latest flights to Seattle in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 19,443 searches and data was last updated on 4 December 2024.

Return from

฿20,840

One-way from

฿16,885

Popular in

August

Cheapest in

October

Average price

฿33,874
Philippine Airlines
  • Philippine Airlines
  • 22/5-9/7
  • 2 total stops
  • 66h 50m total
  • Bangkok to Seattle
Search Deals
12/12
  • 12/12
  • 2 total stops
  • 43h 15m total
  • Bangkok to Seattle
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for return flights in December 2024
Search Deals

Find flight deals to Seattle

Cheapest flights to Seattle
Explore the most affordable flight options available to Seattle. Find the lowest fares based on data from user searches, with prices last updated on 4 December 2024.

Wed 18/1213:40BKK - SEA
1 stop19h 30mPhilippine Airlines
Sun 8/623:30SEA - BKK
1 stop27h 15mPhilippine Airlines
Deal found 3/12฿24,176
Wed 18/1202:35BKK - SEA
1 stop30h 40mChina Airlines
Thu 26/1200:10SEA - BKK
1 stop34h 25mChina Airlines
Deal found 4/12฿28,062
Thu 19/1201:00BKK - SEA
1 stop27h 13mเดลต้า
Wed 15/110:41SEA - BKK
1 stop23h 04mเดลต้า
Deal found 3/12฿28,990
Thu 12/1211:30BKK - SEA
1 stop21h 10mEVA Air
Sat 28/1223:30SEA - BKK
1 stop34h 55mEVA Air
Deal found 3/12฿29,437
Thu 5/1200:55BKK - SEA
2 stops23h 55mJapan Airlines
Tue 7/108:03SEA - BKK
2 stops30h 02mJapan Airlines
Deal found 3/12฿30,503
Thu 19/1211:30BKK - SEA
2 stops41h 55mแอร์แคนาดา
Wed 22/119:05SEA - BKK
1 stop20h 10mแอร์แคนาดา
Deal found 4/12฿30,607
Fri 13/1213:45BKK - SEA
1 stop16h 20mSTARLUX Airlines
Sun 29/1200:05SEA - BKK
1 stop25h 25mSTARLUX Airlines
Deal found 3/12฿33,186
Tue 17/1201:30BKK - SEA
2 stops28h 51mMultiple Airlines
Tue 7/117:15SEA - BKK
2 stops39h 55mMultiple Airlines
Deal found 4/12฿34,561
Mon 16/1221:30BKK - SEA
1 stop26h 30mKorean Air
Sat 25/111:00SEA - BKK
1 stop35h 15mKorean Air
Deal found 4/12฿34,940
Fri 6/1223:30BKK - SEA
1 stop26h 25mThai Airways
Mon 6/100:10SEA - BKK
1 stop30h 35mThai Airways
Deal found 3/12฿36,590
Mon 16/1201:50BKK - SEA
1 stop24h 05mAsiana Airlines
Wed 22/112:45SEA - BKK
1 stop20h 35mAsiana Airlines
Deal found 4/12฿39,548
Sun 22/1222:50BKK - SEA
1 stop29h 30mANA
Wed 22/115:45SEA - BKK
1 stop22h 25mANA
Deal found 4/12฿40,270

Best time to book a flight to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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 to Seattle

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

When is the best time to book a flight to Seattle?

Use this chart to determine the optimal time to book a return flight from Bangkok to Seattle. Price data was last updated on 22 November 2024.

To ensure you get the cheapest price possible for a flight to Seattle, you should look to book at least 85 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Seattle?

On average, a flight from Bangkok to Seattle takes 20 hours 57 minutes. Flights to Seattle from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Seattle?

The most popular airlines flying from Bangkok to Seattle are Asiana Airlines, Korean Air and ANA.

Asiana Airlines

Asiana Airlines

From ฿699

Korean Air

Korean Air

From ฿834

ANA

ANA

From ฿861

Japan Airlines

Japan Airlines

From ฿956

What are the cheapest airlines that fly to Seattle?

The cheapest airlines flying from Bangkok to Seattle are Philippine Airlines, Asiana Airlines and China Airlines.

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 mm 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.