Cheap flights from Seattle (SEA) to Thailand from $523

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — BKK
Mar 24 — Mar 311

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 54 days in advance, which can save you up to 16% on flights from Seattle to Thailand compared to booking the week you need them. Waiting 54 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 $1,270. For sooner than that we have options available in the next 3 days from $1,773.

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

March can be a great time to fly to Thailand from Seattle with a flight ticket averaging about $1,238. Cheapflights users have found deals in the month of March for as cheap as $742. The most expensive prices can be found in the month of December.

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 Asiana Airlines flights from Seattle to Thailand

Explore cheap flight options specifically provided by Asiana Airlines for the route between Seattle and Thailand. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a look at some of the lowest-priced Asiana Airlines flights heading from Seattle to Thailand. Make sure to check back often as deals are often changing.
Mon 4/222:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Mon 5/61:10 amBKK - SEA
1 stop25h 35mAsiana Airlines
Deal found 3/18$986
Mon 4/222:20 pmSEA - BKK
1 stop20h 20mAsiana Airlines
Sun 5/192:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/18$995
Wed 4/242:20 pmSEA - BKK
1 stop20h 20mAsiana Airlines
Tue 5/141:10 amBKK - SEA
1 stop25h 35mAsiana Airlines
Deal found 3/18$1,028
Wed 4/172:20 pmSEA - BKK
1 stop20h 20mAsiana Airlines
Sun 5/51:10 amBKK - SEA
1 stop25h 35mAsiana Airlines
Deal found 3/18$1,033
Wed 4/242:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Mon 5/131:10 amBKK - SEA
1 stop25h 35mAsiana Airlines
Deal found 3/18$1,038
Sun 4/142:20 pmSEA - BKK
1 stop20h 20mAsiana Airlines
Tue 5/72:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/18$1,055
Sun 4/142:20 pmSEA - BKK
1 stop20h 20mAsiana Airlines
Tue 6/112:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/18$1,058
Sun 4/282:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Tue 5/142:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/18$1,090
Wed 4/172:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Wed 5/12:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/18$1,150

Cheap Korean Air flights from Seattle to Thailand

Explore cheap flight options specifically provided by Korean Air for the route between Seattle and Thailand. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Take a gander at the lowest prices we've found on Korean Air flights from Seattle to Thailand. Make sure to examine the flight information before completing your reservation.
Mon 4/226:15 amSEA - BKK
2 stops27h 20mKorean Air
Tue 5/79:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,014
Mon 4/221:00 pmSEA - BKK
1 stop18h 45mKorean Air
Tue 5/73:15 pmBKK - SEA
1 stop33h 35mKorean Air
Deal found 3/18$1,015
Wed 4/241:00 pmSEA - BKK
1 stop18h 45mKorean Air
Wed 5/159:50 amBKK - SEA
1 stop39h 00mKorean Air
Deal found 3/18$1,023
Wed 4/241:00 pmSEA - BKK
1 stop18h 45mKorean Air
Thu 5/99:50 amBKK - SEA
2 stops24h 42mKorean Air
Deal found 3/18$1,034
Wed 4/177:30 pmSEA - BKK
2 stops27h 45mKorean Air
Wed 4/249:50 amBKK - SEA
2 stops27h 12mKorean Air
Deal found 3/18$1,039
Wed 4/177:30 pmSEA - BKK
2 stops27h 45mKorean Air
Sun 5/59:40 pmBKK - SEA
1 stop30h 15mKorean Air
Deal found 3/18$1,050
Tue 4/161:00 pmSEA - BKK
1 stop34h 15mKorean Air
Sun 5/59:40 pmBKK - SEA
1 stop30h 15mKorean Air
Deal found 3/18$1,056
Mon 3/2511:15 amSEA - BKK
1 stop23h 25mKorean Air
Mon 5/139:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,062
Sat 4/207:15 pmSEA - BKK
2 stops28h 00mKorean Air
Mon 5/209:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,066

Cheap Seattle to Thailand flights in March & April 2024

Find cheap flight options from Seattle to Thailand specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Scroll through some of the best deals on flights from Seattle to Thailand in 2024. Check back soon for alternative fares.
Thu 4/256:40 pmSEA - BKK
1 stop45h 25mTurkish Airlines
Thu 5/1610:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 3/16$966
Mon 4/222:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Mon 5/61:10 amBKK - SEA
1 stop25h 35mAsiana Airlines
Deal found 3/18$986
Mon 3/257:50 pmSEA - BKK
1 stop24h 20mTurkish Airlines
Mon 5/1310:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 3/18$990
Thu 4/256:15 amSEA - BKK
2 stops27h 20mKorean Air
Thu 5/169:50 amBKK - SEA
1 stop18h 05mKorean Air
Deal found 3/16$991
Mon 4/222:20 pmSEA - BKK
1 stop18h 50mAsiana Airlines
Mon 5/62:00 amBKK - SEA
1 stop24h 45mAsiana Airlines
Deal found 3/17$995
Thu 4/256:15 amSEA - BKK
2 stops27h 20mKorean Air
Thu 5/169:50 amBKK - SEA
2 stops24h 41mKorean Air
Deal found 3/16$1,002
Thu 4/251:00 pmSEA - BKK
1 stop18h 45mKorean Air
Mon 5/139:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/17$1,003
Thu 4/256:15 amSEA - BKK
2 stops27h 20mKorean Air
Mon 5/139:50 amBKK - SEA
1 stop18h 05mKorean Air
Deal found 3/17$1,008
Sun 4/146:40 pmSEA - BKK
1 stop30h 45mTurkish Airlines
Wed 6/1211:05 pmBKK - SEA
1 stop31h 40mTurkish Airlines
Deal found 3/18$1,013

Seattle to Thailand 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Thailand in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Scroll through some of the best deals on flights from Seattle to Thailand in 2024. Check back soon for alternative fares.
Tue 11/58:45 amSEA - BKK
1 stop32h 45mSingapore Airlines
Mon 11/188:00 pmBKK - SEA
1 stop26h 15mSingapore Airlines
Deal found 3/17$727
Tue 10/810:15 amSEA - BKK
1 stop32h 20mSingapore Airlines
Wed 11/139:10 pmBKK - SEA
1 stop25h 05mSingapore Airlines
Deal found 3/17$737
Tue 11/58:45 amSEA - BKK
1 stop20h 15mSingapore Airlines
Mon 11/189:35 amBKK - SEA
1 stop36h 40mSingapore Airlines
Deal found 3/17$744
Tue 10/2210:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
Wed 11/209:10 pmBKK - SEA
1 stop25h 05mSingapore Airlines
Deal found 3/17$746
Tue 10/810:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
Mon 11/119:10 pmBKK - SEA
1 stop25h 05mSingapore Airlines
Deal found 3/17$756
Sun 9/221:10 amSEA - BKK
1 stop25h 10mChina Airlines
Thu 9/265:30 pmBKK - SEA
1 stop16h 00mChina Airlines
Deal found 3/17$760
Thu 9/1910:15 amSEA - BKK
1 stop19h 45mSingapore Airlines
Mon 9/303:30 pmBKK - SEA
1 stop31h 15mSingapore Airlines
Deal found 3/18$766
Sun 10/271:10 amSEA - BKK
1 stop18h 40mChina Airlines
Mon 11/255:50 pmBKK - SEA
1 stop15h 15mChina Airlines
Deal found 3/18$777
Mon 10/211:10 amSEA - BKK
1 stop25h 10mChina Airlines
Mon 11/112:35 amBKK - SEA
1 stop30h 30mChina Airlines
Deal found 3/17$778

Seattle to Thailand flights leaving soon

Find last-minute flight options from Seattle to Thailand for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider one of these great deals we found on last-minute flights from Seattle to Thailand. Users should be sure to double check the price, date, and time of their last-minute flight.
Mon 3/257:50 pmSEA - BKK
1 stop24h 20mTurkish Airlines
Mon 5/1310:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 3/18$990
Mon 3/2511:15 amSEA - BKK
1 stop23h 25mKorean Air
Mon 5/139:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,062
Mon 3/2511:15 amSEA - BKK
1 stop20h 15mKorean Air
Mon 5/139:40 pmBKK - SEA
2 stops36h 58mKorean Air
Deal found 3/18$1,073
Tue 3/265:00 amSEA - BKK
2 stops29h 05mUnited Airlines
Wed 5/19:35 amBKK - SEA
2 stops53h 23mUnited Airlines
Deal found 3/18$1,074
Mon 3/255:00 amSEA - BKK
2 stops29h 05mUnited Airlines
Mon 5/137:00 amBKK - SEA
2 stops22h 23mUnited Airlines
Deal found 3/18$1,076
Mon 3/257:50 pmSEA - BKK
1 stop24h 20mTurkish Airlines
Mon 5/610:50 pmBKK - SEA
1 stop31h 55mTurkish Airlines
Deal found 3/18$1,084
Mon 3/2511:15 amSEA - BKK
1 stop20h 15mDelta
Mon 5/69:50 amBKK - SEA
2 stops27h 12mDelta
Deal found 3/18$1,157
Tue 3/2611:55 amSEA - BKK
1 stop22h 45mKorean Air
Wed 5/89:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,159
Tue 3/266:15 amSEA - BKK
2 stops27h 05mKorean Air
Wed 5/89:40 pmBKK - SEA
1 stop27h 10mKorean Air
Deal found 3/18$1,164

One-way flights to Thailand from Seattle

Search for one-way flight options from Seattle to Thailand. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users in need of a one-way flight from Seattle to Thailand can choose from these deals. Those seeking round-trip flights from Seattle to Thailand should utilize the search form at the the top of the page.
Tue 4/233:45 pmSEA - BKK
2 stops58h 05mChina Eastern
Deal found 3/18$523
Tue 4/169:38 amSEA - BKK
3 stops41h 02mMultiple Airlines
Deal found 3/18$551
Sat 4/277:50 pmSEA - BKK
2 stops26h 10mMultiple Airlines
Deal found 3/18$558
Tue 4/1610:55 pmSEA - BKK
2 stops23h 15mMultiple Airlines
Deal found 3/18$594
Wed 4/246:55 pmSEA - BKK
2 stops27h 15mMultiple Airlines
Deal found 3/18$599
Sun 3/247:50 pmSEA - BKK
1 stop29h 30mTurkish Airlines
Deal found 3/18$604
Fri 4/127:59 pmSEA - BKK
2 stops30h 21mMultiple Airlines
Deal found 3/18$613
Mon 4/151:30 pmSEA - BKK
2 stops37h 25mMultiple Airlines
Deal found 3/18$621
Mon 4/151:30 pmSEA - DMK
3 stops39h 55mMultiple Airlines
Deal found 3/18$621

Find flights from Seattle to Thailand within your budget

Customize your flight search to find flights from Seattle to Thailand that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$986 - $1,074

Route

Depart

Return

Price

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 4/22

1 stop18h 50m

Bangkok Suvarnabhumi

Mon 5/6

1 stop25h 35m

$986

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 3/25

1 stop24h 20m

Bangkok Suvarnabhumi

Mon 5/13

1 stop31h 55m

$990

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 4/22

2 stops27h 20m

Bangkok Suvarnabhumi

Tue 5/7

1 stop27h 10m

$1,014

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 4/10

2 stops32h 20m

Bangkok Suvarnabhumi

Thu 4/18

2 stops25h 37m

$1,026

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Wed 4/24

2 stops36h 20m

Bangkok Suvarnabhumi

Wed 5/15

1 stop30h 50m

$1,035

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Mon 4/22

1 stop19h 30m

Bangkok Suvarnabhumi

Mon 5/20

2 stops32h 54m

$1,037

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 4/23

1 stop18h 45m

Bangkok Suvarnabhumi

Mon 5/13

1 stop27h 10m

$1,052

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 4/23

2 stops32h 50m

Bangkok Suvarnabhumi

Tue 5/14

1 stop16h 20m

$1,064

Seattle/Tacoma IntlBangkok Suvarnabhumi

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 3/26

2 stops29h 05m

Bangkok Suvarnabhumi

Wed 5/1

2 stops53h 23m

$1,074

Flights are sorted by cheapest first

Deals found on 3/18

Reviews of airlines servicing Thailand

Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated March 19, 2024.
Read reviews from past customers who have flown Asiana Airlines, Korean Air and ANA from Seattle to Thailand. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.6
Very good
1,244 reviews
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.5
Very good
653 reviews
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.5
Very good
1,005 reviews
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.4
Very good
1,477 reviews
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

8.4
Very good
1,636 reviews
8.6
Very good
1,244 reviews

Food

8.2

Comfort

8.4

Entertainment

8.2

Crew

8.8

Overall

8.6

Boarding

8.6

Reviews

1 / 10

if you can put more multiples language agents in air service especially Chinese or French ,the customer who speaks those languages will be much happier than now

Related info for your journey

Find useful and relevant information for your journey from Seattle to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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.

  • Can I find flights from Seattle to Thailand for under $1,000 on Cheapflights?

    Yes, there are multiple flights from Seattle to Thailand for under $1,000. The cheapest flight booked recently is on Asiana Airlines for just $986, but on average you can expect to pay $1,026.

  • Are there last-minute flights available from Seattle to Thailand for under $1,000?

    There are currently 20+ open flights from Seattle to Thailand within the next 7 days for less than $1,000.

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

    $523 is the cheapest one-way deal found within the past few days, from China Eastern. You may also be able to find cheap deals on Turkish Airlines and Asiana Airlines, with prices starting from $604 and $625, respectively.

  • What are the most popular routes from Seattle to Thailand?

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

  • What does SEA to BKK mean?

    SEA and BKK are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. SEA to BKK refers to a flight route from Seattle/Tacoma Intl Airport to Bangkok Suvarnabhumi Airport. Ready for more IATA code knowledge? These are related airports for your current travel destination: Phuket City Airport (HKT), Chiang Mai Airport (CNX), Ko Samui Airport (USM), Bangkok Don Mueang Intl Airport (DMK), Krabi Airport (KBV).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Seattle to Thailand

Discover the top 10 airlines that operate flights from Seattle to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$614Average$905FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Turkish AirlinesCheapest$844Average$1,177FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Japan AirlinesCheapest$880Average$1,195FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
American AirlinesCheapest$884Average$1,229FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$906Average$1,107FlexibilityNo cancel feeOn-time80%
Search ANA flights
Asiana AirlinesCheapest$918Average$1,106FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
EVA AirCheapest$933Average$1,414FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
United AirlinesCheapest$937Average$1,036FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Korean AirCheapest$972Average$1,289FlexibilityNo cancel feeOn-time81%
Search Korean Air flights
Qatar AirwaysCheapest$982Average$1,488FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Search flights from Seattle to Thailand by cabin class

Find flights from Seattle to Thailand, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Thailand?

Cheapflights makes it easy to find Seattle to Thailand flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Thailand?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Thailand from Seattle.

Can Cheapflights find flights from Seattle to Thailand with no change fees?

Yes, we can. To see specific flights from Seattle to Thailand with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Seattle to Thailand become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.