Cheap flights from Seattle (SEA) to Thailand

SEA — BKK
Aug 16 — Aug 231

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 35% on flights from Seattle to Thailand compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $1,161. For sooner than that we have options available in the next 3 days from $1,357.

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

February can be a great time to fly to Thailand from Seattle with a flight ticket averaging about $972. Cheapflights users have found deals in the month of February for as cheap as $668. The most expensive prices can be found in the month of June.

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

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

Cheap flights from Seattle to Thailand in August, September 2022

The best prices found for SEA to Thailand flights for August, September
Sep 8 - Oct 19
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

34h 40m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

31h 15m
$845

Singapore Airlines

Pick Dates

Deal found 9/8/22

Aug 28 - Oct 3
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

19h 25m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

18h 20m
$858

EVA Air

Pick Dates

Deal found 9/8/22

Sep 20 - Nov 17
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

2 stops

25h 45m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

18h 50m
$875

Korean Air

Pick Dates

Deal found 9/8/22

Seattle to Thailand 2022 flight deals

Cheap flights to Thailand from Seattle found for this year
Oct 3 - Oct 23
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

19h 10m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

25h 20m
$789

Asiana Airlines

Pick Dates

Deal found 9/8/22

Nov 7 - Nov 20
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

18h 35m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

26h 05m
$799

Asiana Airlines

Pick Dates

Deal found 9/8/22

Nov 3 - Nov 23
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

43h 00m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

26h 15m
$802

Singapore Airlines

Pick Dates

Deal found 10/8/22

Cheap Korean Air flights from Seattle to Thailand

Nov 1 - Nov 17
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

19h 25m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

29h 15m
$958

Korean Air

Pick Dates

Deal found 11.8.22

Aug 21 - Sep 7
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

2 stops

39h 39m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

2 stops

31h 07m
$1,004

Korean Air

Pick Dates

Deal found 11.8.22

Oct 11 - Nov 9
SEA

Seattle/Tacoma Intl

CNX

Chiang Mai

1 stop

20h 05m
CNX

Chiang Mai

SEA

Seattle/Tacoma Intl

1 stop

29h 15m
$1,005

Korean Air

Pick Dates

Deal found 9.8.22

Cheap Singapore Airlines flights from Seattle to Thailand

Feb 7 - Mar 27
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

35h 25m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

26h 35m
$697

Singapore Airlines

Pick Dates

Deal found 8.8.22

Jan 31 - Feb 10
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

41h 15m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

26h 15m
$713

Singapore Airlines

Pick Dates

Deal found 11.8.22

Jan 26 - Feb 8
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

38h 50m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

34h 20m
$737

Singapore Airlines

Pick Dates

Deal found 10.8.22

Last minute flights from Seattle to Thailand

Late deals on return flights to Thailand from Seattle, departing today and this week
Aug 21 - Sep 16
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

19h 00m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

1 stop

17h 05m
$896

EVA Air

Pick Dates

Deal found 10/8/22

Aug 17 - Sep 14
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

2 stops

23h 50m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

2 stops

23h 50m
$922

Multiple Airlines

Pick Dates

Deal found 11/8/22

Aug 16 - Sep 8
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

2 stops

37h 45m
BKK

Bangkok Suvarnabhumi

SEA

Seattle/Tacoma Intl

2 stops

28h 47m
$928

Multiple Airlines

Pick Dates

Deal found 11/8/22

One-way flights to Thailand from Seattle

The cheapest one-way flights from Seattle to Thailand
Jan 26
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

38h 50m
$442

Singapore Airlines

Pick Dates

Deal found 10/8/22

Feb 2
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

35h 25m
$461

Singapore Airlines

Pick Dates

Deal found 9/8/22

Feb 4
SEA

Seattle/Tacoma Intl

BKK

Bangkok Suvarnabhumi

1 stop

38h 50m
$470

Singapore Airlines

Pick Dates

Deal found 9/8/22

Related info for your journey

Useful info, stats and facts about Seattle to Thailand flights.

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

Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Thailand from Seattle.

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

Japan Airlines, Singapore Airlines, and EVA Air 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 Seattle to Thailand for under $700 on Cheapflights?

Yes, there are multiple flights from Seattle to Thailand for under $700. The cheapest flight booked recently is on Singapore Airlines for just $697, but on average you can expect to pay $783.

Are there last-minute flights available from Seattle to Thailand for under $900?

There are currently 20+ open flights from Seattle to Thailand within the next 7 days for less than $900.

What are the most popular routes from Seattle to Thailand?

While some choose either Seattle/Tacoma Intl - Phuket City or Seattle/Tacoma Intl - Chiang Mai, Seattle/Tacoma Intl - Bangkok Suvarnabhumi is the most popular route from Seattle to Thailand.

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

Consider Undisclosed Carrier, American Airlines or Air Canada when booking your flight. These represent the most popular airlines when flying from Seattle to Thailand.

What are the cheapest flights from Seattle to Thailand?

Looking for the cheapest flight from Seattle to Thailand? While on average our users pay $4,855, our data indicates the cheapest price to be $559. The most popular route (Seattle/Tacoma Intl - Bangkok Suvarnabhumi), is priced around $737.

Destination points for flights from Seattle to Thailand

Select to see more specific information for flights from Seattle to all places in Thailand

Top 10 airlines flying from Seattle to Thailand

The chart below displays the airlines Cheapflights users traveling from Seattle to Thailand choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$20FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
XiamenAirCheapest$459Average$715FlexibilityNo cancel feeOn-time49%COVID-19 safety
Search XiamenAir flights
Hainan AirlinesCheapest$632Average$879FlexibilityNo cancel feeOn-time61%COVID-19 safety
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Singapore AirlinesCheapest$637Average$916FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Singapore Airlines flights
China EasternCheapest$655Average$839FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search China Eastern flights
Cathay PacificCheapest$657Average$1,158FlexibilityNo cancel feeOn-time72%COVID-19 safety
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EmiratesCheapest$658Average$1,137FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Emirates flights
American AirlinesCheapest$697Average$889FlexibilityNo cancel feeOn-time71%COVID-19 safety
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Japan AirlinesCheapest$717Average$884FlexibilityNo cancel feeOn-time79%COVID-19 safety
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Korean AirCheapest$783Average$1,246FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search Korean Air flights