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Southeast Asia

$328+ Cheap flights from Seattle (SEA) to Southeast Asia

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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
1 adult, Economy
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Cheap flight deals from Seattle to Southeast Asia

Keep the following information in mind while searching for Seattle to Southeast Asia flight deals. Data was last updated March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(oojo)

One-way from

$328
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$853
Provider with most accurate pricing for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Manila Ninoy Aquino Intl flights.
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From Seattle/Tacoma Intl to Southeast Asia
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One-way flight from Seattle/Tacoma Intl to Southeast Asia
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Highest demand for flights based on searches. 5% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Seattle to Southeast Asia

Cheapest flights from Seattle to Southeast Asia
Explore the most affordable flight options available from Seattle to Southeast Asia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 4, 2025.

This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:15 amSEA - CGK
1 stop22h 25mSingapore Airlines
Wed 11/198:20 pmCGK - SEA
1 stop25h 50mSingapore Airlines
Deal found 3/3$623
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:15 amSEA - HKT
1 stop37h 55mSingapore Airlines
Fri 10/3111:05 amHKT - SEA
1 stop35h 05mSingapore Airlines
Deal found 3/4$625
This Gurufare deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1810:15 amSEA - BKK
1 stop32h 20mSingapore Airlines
Thu 10/168:10 pmBKK - SEA
1 stop26h 35mSingapore Airlines
Deal found 3/4$678
This oojo deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/3011:30 pmSEA - BKK
1 stop28h 10mPhilippine Airlines
Tue 5/66:40 pmBKK - SEA
1 stop38h 40mPhilippine Airlines
Deal found 3/4$683
This FlightHub deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:30 pmSEA - KUL
1 stop20h 50mPhilippine Airlines
Wed 10/2911:40 amKUL - SEA
1 stop22h 55mPhilippine Airlines
Deal found 3/2$693
This FlightHub deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/711:30 pmSEA - CGK
1 stop34h 25mPhilippine Airlines
Tue 11/1812:45 amCGK - SEA
1 stop33h 50mPhilippine Airlines
Deal found 3/3$693
This CrystalTravel deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
Tue 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 3/4$702
This CheapTickets deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/112:50 pmSEA - MNL
1 stop20h 09mKorean Air
Tue 4/812:20 pmMNL - SEA
1 stop37h 20mKorean Air
Deal found 3/4$706
This hutchgo.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure hutchgo.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:30 pmSEA - SIN
1 stop22h 50mPhilippine Airlines
Wed 4/910:25 amSIN - SEA
1 stop23h 55mPhilippine Airlines
Deal found 3/3$711
This Gotogate deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1512:50 pmSEA - SGN
1 stop33h 45mKorean Air
Tue 4/221:55 pmSGN - SEA
1 stop34h 45mKorean Air
Deal found 3/3$713
This FlightHub deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/410:15 amSEA - MNL
1 stop22h 05mSingapore Airlines
Sat 9/207:40 amMNL - SEA
1 stop40h 05mSingapore Airlines
Deal found 3/4$715
This Air Canada deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/61:45 pmSEA - SIN
1 stop26h 20mAir Canada
Tue 5/209:10 amSIN - SEA
1 stop24h 23mAir Canada
Deal found 3/4$718

Find flights from Seattle to Southeast Asia within your budget

Customize your flight search to find flights from Seattle to Southeast Asia 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 2,558,603 searches. Data last updated March 4, 2025.

Fly from

Seattle

Fly to

Southeast Asia

Route

Depart

Return

Price

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Sun 3/30

11:30 pm-5:40 pm

1 stop28h 10m

Bangkok Suvarnabhumi

Tue 5/6

6:40 pm-7:20 pm

1 stop38h 40m

$683

SeattleManila

SEA - MNL

SEAMNL

Seattle/Tacoma Intl

Tue 4/1

12:50 pm-11:59 pm

1 stop20h 09m

Manila Ninoy Aquino Intl

Tue 4/8

12:20 pm-10:40 am

1 stop37h 20m

$706

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Wed 4/2

11:30 pm-1:20 pm

1 stop22h 50m

Singapore Changi

Wed 4/9

10:25 am-7:20 pm

1 stop23h 55m

$711

SeattleJakarta

SEA - CGK

SEACGK

Seattle/Tacoma Intl

Tue 4/22

10:15 am-6:05 pm

1 stop41h 50m

Jakarta Soekarno-Hatta Intl

Tue 5/6

5:25 am-4:40 pm

2 stops25h 15m

$713

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 4/15

12:50 pm-12:35 pm

1 stop33h 45m

Ho Chi Minh City

Tue 4/22

1:55 pm-10:40 am

1 stop34h 45m

$713

SeattleManila

SEA - MNL

SEAMNL

Seattle/Tacoma Intl

Mon 4/28

1:10 am-9:35 am

1 stop17h 25m

Manila Ninoy Aquino Intl

Mon 5/12

10:35 am-7:30 pm

1 stop23h 55m

$715

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Tue 5/6

1:45 pm-7:05 am

1 stop26h 20m

Singapore Changi

Tue 5/20

9:10 am-6:33 pm

1 stop24h 23m

$718

SeattleSingapore

SEA - SIN

SEASIN

Seattle/Tacoma Intl

Sun 3/16

12:00 pm-8:25 pm

1 stop41h 25m

Singapore Changi

Mon 3/24

11:00 am-10:00 am

1 stop38h 00m

$721

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

Tue 4/22

7:10 pm-5:15 am

1 stop44h 05m

Bangkok Suvarnabhumi

Tue 4/29

11:15 am-5:15 pm

1 stop44h 00m

$729

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

Tue 3/25

11:35 am-11:20 pm

1 stop21h 45m

Ho Chi Minh City

Mon 4/7

1:55 pm-1:30 pm

1 stop37h 35m

$731

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 60 results
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Best time to book a flight from Seattle to Southeast Asia

Have a flexible travel schedule? Discover the best time to fly to Southeast Asia from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Seattle to Southeast Asia

Get recent, data-driven insights about flights from Seattle to Southeast Asia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Seattle to Southeast Asia?

Currently, February is the cheapest month in which you can book a flight from Seattle to Southeast Asia (average of $969). Flying from Seattle to Southeast Asia in June is currently the most expensive (average of $1,578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to YJX?

Find hourly flight availability from Seattle to Southeast Asia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 4, 2025.

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

Rainfall in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southeast Asia ranges from 0.4 - 15.7 inches per month. July is typically the wettest month, when rainfall can reach 15.7 in. February is typically the driest time to visit Southeast Asia when rainfall is around 0.4 in.

Temperature in Southeast Asia by month

Plan your trip to Southeast Asia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southeast Asia, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

Reviews of airlines servicing Southeast Asia

Get insights into the airlines that provide service to Southeast Asia. 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 Southeast Asia. Reviews last updated March 4, 2025.
Get a feel of what it's like to fly with STARLUX Airlines, EVA Air and Korean Air from Seattle to Southeast Asia by reading reviews from past customers. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

STARLUX Airlines
9.1
Wonderful
141 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

EVA Air
8.4
Very good
1,181 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Korean Air
8.4
Very good
1,034 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

ANA
8.4
Very good
834 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Japan Airlines
8.3
Very good
1,437 reviews
STARLUX Airlines
9.1
Wonderful
141 reviews

Boarding

9.1

Food

9.0

Crew

9.3

Overall

9.1

Comfort

9.0

Entertainment

9.1

Reviews

1 / 5

10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Southeast Asia. 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 Southeast Asia?

    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 Southeast Asia.

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

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $328. However, be on the lookout for offers from China Airlines and Qatar Airways, as they are both options that can get you from Seattle to Southeast Asia for a low price.

  • What are the most popular routes from Seattle to Southeast Asia?

    The most popular flight routes from Seattle to Southeast Asia are Seattle/Tacoma Intl - Bangkok Suvarnabhumi, Seattle/Tacoma Intl - Manila Ninoy Aquino Intl and Seattle/Tacoma Intl - Ho Chi Minh City.

  • Can I find deals for flights from Seattle to Southeast Asia that include hotel bookings?

    Yes. In addition to deals on Seattle to Southeast Asia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Southeast Asia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Southeast Asia.

  • Can I find deals for business class flights from Seattle to Southeast Asia?

    Yes. Cheapflights offers flight deals from Seattle to Southeast Asia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Southeast Asia?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Southeast Asia (average of $969). Flying from Seattle to Southeast Asia in June is currently the most expensive (average of $1,578). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Southeast Asia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Seattle to Southeast Asia

Discover the top 10 airlines that operate flights from Seattle to Southeast Asia. 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 2,558,603 searches. Data last updated March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$610Average$1,048FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$637Average$871FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$704Average$1,016FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$705Average$1,150FlexibilityNo cancel feeOn-time71%
Philippine AirlinesCheapest$710Average$834FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$725Average$1,155FlexibilityNo cancel feeOn-time69%
China AirlinesCheapest$734Average$888FlexibilityNo cancel feeOn-time70%
DeltaCheapest$736Average$1,158FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$755Average$872FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$756Average$1,441FlexibilityNo cancel feeOn-time67%
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