Cheap flights from Seattle (SEA) to Bangkok (BKK)

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

All the information you need to plan the best SEA to BKK flight in 2022: compare Seattle to Bangkok flight prices with the expected peak season, weather and rainfall in Bangkok.
SEA - BKK
Price
$655 - $1,229
BKK
Temperature
78.8 - 86 °F
BKK
Rainfall
0.4 - 12.6 inches

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

May

Best time to find cheap flights, 13% potential price drop

Round-trip from

$655

From Seattle/Tacoma Intl to Bangkok

One-way from

$526

One-way flight from Seattle/Tacoma Intl to Bangkok

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Seattle to Bangkok (SEA - BKK)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Bangkok as you normally would.

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

Users have found that booking a flight from Seattle to Bangkok at least 44 days early can save you up to 20% on average compared to booking a flight this week. If booking 44 days before your flight isn’t an option for you, users have found flights from Seattle to Bangkok for as little as $803 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $867 for flights departing within the next 3 days.

What is the cheapest month to fly from Seattle to Bangkok?

The best pricing can be found in the month of May. Prices to Bangkok from Seattle average $757. You can even find prices in May for less than $757, as users have found deals to Bangkok from as low as $614. The month of December appears to be one of the more expensive times to travel to Bangkok from Seattle. Flying in the targeted month can save you up to 62%.

Cheap flights from Seattle to Bangkok in May, June 2022

The best prices found for SEA to BKK flights for May, June
12 Jun - 15 Sep
$1,049pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
12 Jun - 19 Jun
$1,193pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
   
2 STOPS
SEA
Seattle/Tacoma Intl
5 Jun - 30 Jun
$1,203pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Bangkok 2022 flight deals

Cheap flights to Bangkok from Seattle found for this year
13 Sep - 12 Oct
$678pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
13 Sep - 12 Oct
$693pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
4 Oct - 19 Oct
$695pp
SEA
Seattle/Tacoma Intl
Singapore Airlines
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Singapore Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to Bangkok

Late deals on round-trip flights to Bangkok from Seattle, departing today and this week
5 Jun - 30 Jun
$1,203pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
5 Jun - 19 Jun
$1,250pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl
6 Jun - 20 Jun
$1,264pp
SEA
Seattle/Tacoma Intl
Qatar Airways
 
1 STOP
BKK
Bangkok Suvarnabhumi
BKK
Bangkok Suvarnabhumi
Qatar Airways
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Bangkok from Seattle

The cheapest one-way flights from Seattle to Bangkok
1:45 pm - 11:25 am
Turkish Airlines
1 Stop
31h 40m
SEA - BKK
Turkish Airlines
$526
oojo
2:00 am - 4:40 am
Singapore Airlines
2 Stops
36h 40m
SEA - BKK
Singapore Airlines
$528
SmartFares
3:45 am - 2:40 pm
Multiple Airlines
2 Stops
43h 55m
SEA - DMK
Multiple Airlines
$529
Kiwi.com

Related info for your journey

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

Flight FAQs

From Seattle to Bangkok

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

Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Bangkok. 21 airlines have flights from Seattle/Tacoma Intl to Bangkok on a regular basis. Booking flights from Seattle/Tacoma Intl to Bangkok should not be difficult; the airport handles an average of 0 outbound flights to Bangkok per day.

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

Some of our airline partners flying from Seattle/Tacoma Intl to Bangkok have new flexible policies in place due to COVID-19. Japan Airlines, Singapore Airlines, and EVA Air are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Japan Airlines with this kind of flexibility.

Can I find flights from Seattle to Bangkok for under $700 on Cheapflights?

Yes, there are multiple flights from Seattle to Bangkok for under $700. The cheapest flight booked recently is on Singapore Airlines for just $678, but on average you can expect to pay $717.

Are there last-minute flights available from Seattle to Bangkok for under $1,300?

There are currently 20+ open flights from Seattle to Bangkok within the next 7 days for less than $1,300.

What is the cheapest airline to fly from Seattle to Bangkok round-trip?

Singapore Airlines, at $678, was found to be the cheapest airline from Seattle to Bangkok.. Singapore Airlines is 10% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest flights from Seattle to Bangkok?

Looking for the cheapest flight from Seattle to Bangkok? While on average our users pay $2,782, our data indicates the cheapest price to be $447. The most popular route (Seattle/Tacoma Intl - Bangkok Suvarnabhumi), is priced around $678.

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

Consider Major Airline, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from Seattle to Bangkok.

COVID Restrictions

View COVID Travel Restrictions for Bangkok, Thailand

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

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

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

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering Bangkok.

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

Documents
Thailand Pass - The Thailand Pass is a web-based system for Thai and foreign travelers to fill in their travel and health information and upload the related documents before travelling. This system is operational and will replace the COE system on 1 November, 2021. However, the COE will continue to be used for certain groups of travelers.


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

Returning to Seattle/Tacoma Intl from Bangkok

COVID-19 testing requirements
Visitors from Bangkok must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Seattle/Tacoma Intl.

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

Hide COVID Travel Restrictions for Bangkok, Thailand

Destination information for Bangkok

Things to know before you go - useful duration and weather info for your trip from Seattle to Bangkok.
Today's exchange rate
$1 = ฿34.21
Average temperature for May in Bangkok
95.0 °F
Avg rainfall for May in Bangkok
8.6 ″

Airports servicing Seattle

Airports servicing Bangkok

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

Top 10 airlines flying from Seattle/Tacoma Intl to Bangkok

The chart below displays the airlines Cheapflights users traveling from Seattle to Bangkok 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
Juneyao Airlines
$12 $20 No cancel fee 66%

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

XiamenAir
$459 $608 No cancel fee 49%

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

Hainan Airlines
$632 $879 No cancel fee 61%

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

Singapore Airlines
$636 $710 No cancel fee 81%
China Eastern
$655 $888 No cancel fee 62%

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

Emirates
$658 $1,343 No cancel fee 75%
American Airlines
$697 $885 No cancel fee 71%
Japan Airlines
$708 $867 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.

United Airlines
$762 $1,002 No cancel fee 69%
EVA Air
$782 $909 No cancel fee 74%
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