Cheap flights from Bangkok to Seattle

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How to find the cheapest flight from
Bangkok (BKK) to Seattle (SEA)

All the information you need to plan the best BKK to SEA flight in 2021: compare Bangkok to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
TH1 - SEA
Price
฿778 - ฿1,309
SEA
Temperature
5 - 19 °C
SEA
Precipitation
18 - 168 mm

Popular in

January

High demand for flights, 32% potential price rise

Cheapest in

March

Best time to find cheap flights, 12% potential price drop

Round-trip from

฿25,895

From Bangkok to Seattle/Tacoma Intl

One-way from

฿17,774

One-way flight from Bangkok to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Bangkok to Seattle?

Our data shows that March tends to be the cheapest month to fly to Seattle from Bangkok. Users have commonly found prices around ฿29,473 for the month, but tickets can be as low as ฿23,631. Due to multiple factors, prepare for potentially higher prices in January.

How far in advance should I book a flight from Bangkok to Seattle?

To save on the cost of your flight from Bangkok to Seattle, book at least 54 days before your planned departure. Booking around this time can save you about 14% on the cost of this flight compared to booking a flight leaving this week. We have found prices from ฿29,889 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as ฿29,889.

When is the cheapest time to fly from Bangkok to Seattle (TH1 - SEA)?

When flying from Bangkok 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.

Cheap flights from Bangkok to Seattle in October, November 2021

The best prices found for BKK to SEA flights in October, November
21 Nov - 29 Nov
฿26,660pp
BKK
Bangkok Suvarnabhumi
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
BKK
Bangkok Suvarnabhumi
21 Nov - 22 May
฿26,827pp
BKK
Bangkok Suvarnabhumi
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
BKK
Bangkok Suvarnabhumi
22 Nov - 16 May
฿26,893pp
BKK
Bangkok Suvarnabhumi
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi

Bangkok to Seattle 2021 flight deals

Cheap flights to Seattle from Bangkok found for this year
21 Nov - 29 Nov
฿26,660pp
BKK
Bangkok Suvarnabhumi
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
BKK
Bangkok Suvarnabhumi
21 Nov - 22 May
฿26,827pp
BKK
Bangkok Suvarnabhumi
Air Canada
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
   
2 STOPS
BKK
Bangkok Suvarnabhumi
22 Nov - 16 May
฿26,893pp
BKK
Bangkok Suvarnabhumi
United Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
United Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi

Last-minute flights from Bangkok to Seattle

Late deals on return flights to Seattle from Bangkok, departing today and this week
28 Oct - 27 Dec
฿29,123pp
BKK
Bangkok Suvarnabhumi
Multiple airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi
28 Oct - 8 Nov
฿29,323pp
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Qatar Airways
   
2 STOPS
BKK
Bangkok Suvarnabhumi
28 Oct - 8 Nov
฿29,955pp
BKK
Bangkok Suvarnabhumi
Japan Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Japan Airlines
   
2 STOPS
BKK
Bangkok Suvarnabhumi

One-way flights to Seattle/Tacoma Intl from Bangkok

The cheapest one-way flights from Bangkok to Seattle
18:30 - 06:00
Thai Airways
1 stop
26h 30m
BKK - SEA
Thai Airways
฿17,774
Travelgenio
21:10 - 11:55
Multiple Airlines
2 stops
29h 45m
BKK - SEA
Multiple Airlines
฿20,470
Kiwi.com
21:45 - 09:35
Emirates
1 stop
25h 50m
BKK - SEA
Emirates
฿20,536

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Bangkok</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Bangkok to Seattle

What airport do you fly into for flights to Seattle from Bangkok?

Located just 18.4 km from the city centre, Seattle/Tacoma Intl is the airport most travellers will use when flying to Seattle from Bangkok. Booking flights from Bangkok to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 0 daily inbound flights from Bangkok from 9 different airlines.

Which airlines flying from Bangkok to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

EVA Air, Cathay Pacific, and Asiana Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Bangkok to Seattle for under ฿26,700 on Cheapflights?

Yes, there are multiple flights from Bangkok to Seattle for under ฿26,700. The cheapest flight booked recently is on Air Canada for just ฿26,660, but on average you can expect to pay ฿27,526.

Are there last-minute flights available from Bangkok to Seattle for under ฿29,200?

There are currently 20+ open flights from Bangkok to Seattle within the next 7 days for less than ฿29,200.

What are the cheapest airlines flying from Bangkok to Seattle return?

According to our current data, Air Canada (฿26,660), United Airlines (฿26,893), and Japan Airlines (฿28,990) offers the cheapest pricing from Bangkok to Seattle. Air Canada is priced at 9% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Bangkok to Seattle one-way?

One-way options have recently been found by users for as low as ฿17,174 on Singapore Airlines. Other airlines that offer cheap prices include Thai Airways from ฿17,774 and Air Canada from ฿18,206 one-way.

What are the cheapest flights from Bangkok to Seattle?

Looking at all options, your cheapest flight can be booked for ฿16,551. While the most popular route (Bangkok Suvarnabhumi - Seattle/Tacoma Intl) can be booked for ฿27,026 on average our data indicates ฿52,573 when flying from Bangkok to Seattle

What are the most popular airlines that fly from Bangkok to Seattle?

American Airlines, EVA Air and Cathay Pacific are the most popular airlines when flying from Bangkok to Seattle.

Related searches

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COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Bangkok?

Information is based on travel restrictions from Bangkok to Seattle/Tacoma Intl

Most visitors from Bangkok need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Bangkok are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Bangkok from Seattle?

Returning to Bangkok from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Bangkok.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Bangkok.

Hide COVID Travel Restrictions for Seattle, WA

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Bangkok to Seattle.
Today's exchange rate
฿1 = $0.04
Average temperature for October in Seattle
16.0 °C
Avg rainfall for October in Seattle
88.0 mm

Airports servicing Bangkok

Bangkok Suvarnabhumi (BKK)
Bangkok Don Mueang Intl (DMK)

Airports servicing Seattle

Top 6 airlines flying from Bangkok to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Bangkok to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Asiana Airlines
฿23,155 ฿28,040 No cancel fee 76%

We couldn't confirm the COVID-19 safety measures taken by Asiana Airlines. Please check directly on their website for additional information.

Search Asiana Airlines flights
Korean Air
฿24,343 ฿32,011 No cancel fee 81%
Search Korean Air flights
Cathay Pacific
฿24,916 ฿30,008 No cancel fee 72%
Search Cathay Pacific flights
ANA
฿25,539 ฿30,082 No cancel fee 80%
Search ANA flights
EVA Air
฿25,891 ฿31,009 No cancel fee 74%
Search EVA Air flights
Japan Airlines
฿27,147 ฿31,903 No cancel fee 79%

We couldn't confirm the COVID-19 safety measures taken by Japan Airlines. Please check directly on their website for additional information.

Search Japan Airlines flights

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