Cheap flights from Thailand to Seattle

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How to find the cheapest flight from
Thailand to Seattle (SEA)

All the information you need to plan the best null to SEA flight in 2021: compare Thailand to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
What is the cheapest month to fly from Thailand to Seattle?

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, March can be a great choice for travel to Seattle. Flights to Seattle from Thailand in March are about ฿29,473 on average during March, but can be found for as low as ฿23,631.

When is the cheapest time to fly from Thailand to Seattle (TH - SEA)?

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.

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

To save on the cost of your flight from Thailand 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.

Cheap flights from Thailand to Seattle in October, November 2021

The best prices found for Thailand 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

Thailand to Seattle 2021 flight deals

Cheap flights to Seattle from Thailand 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 Thailand to Seattle

Late deals on return flights to Seattle from Thailand, 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 Thailand

The cheapest one-way flights from Thailand 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">Thailand</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Thailand to Seattle

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

Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from Thailand to Seattle. It is only a 18.4 km journey from Seattle/Tacoma Intl (SEA) to Seattle’s city centre.

Which airlines flying from Thailand 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 Thailand to Seattle for under ฿26,700 on Cheapflights?

Yes, there are multiple flights from Thailand 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 Thailand to Seattle for under ฿29,200?

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

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

฿17,174 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on Thai Airways and Air Canada, with prices starting from ฿17,774 and ฿18,206, respectively.

What are the cheapest flights from Thailand to Seattle?

Looking for the cheapest flight from Thailand to Seattle? While on average our users pay ฿52,573, our data indicates the cheapest price to be ฿16,551. The most popular route (Bangkok Suvarnabhumi - Seattle/Tacoma Intl), is priced around ฿28,890.

What are the most popular routes from Thailand to Seattle?

The most popular flight routes from Thailand to Seattle are Bangkok Suvarnabhumi - Seattle/Tacoma Intl, Chiang Mai - Seattle/Tacoma Intl and Bangkok Don Mueang Intl - Seattle/Tacoma Intl.

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

When booking a flight from Thailand to Seattle, you may want to consider flying on American Airlines, EVA Air or Cathay Pacific as they are the most popular for this route.

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COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

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

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

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

COVID-19 testing requirements
Visitors from Thailand 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 Thailand are not required to quarantine after entering Seattle/Tacoma Intl.

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

Returning to Thailand 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 Thailand.

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

Hide COVID Travel Restrictions for Seattle, WA

Departure points for flights from Thailand to Seattle

Select to see more specific information for flights to Seattle from all departure points in Thailand.
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Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Thailand 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

Buri Ram (BFV)
Chiang Rai (CEI)
Chumphon (CJM)
Chiang Mai (CNX)
Hat Yai (HDY)
Mae Hong Son (HGN)

Airports servicing Seattle

Seattle (SEA)

Top 6 airlines flying from Thailand to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Thailand 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
EVA Air 		฿21,192 ฿32,687 No cancel fee 74%
Search EVA Air flights
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 ฿32,259 No cancel fee 81%
Search Korean Air flights
Cathay Pacific 		฿24,916 ฿31,972 No cancel fee 72%
Search Cathay Pacific flights
ANA 		฿25,539 ฿30,082 No cancel fee 80%
Search ANA 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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