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Southeast Asia

$391+ 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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$721
(Gotogate)

One-way from

$391
(Justfly.com)

Popular in

December

Cheapest in

March

Average price

$798
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. 8% potential increase in price ($91 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This oojo deal was found by Cheapflights users on 4/16. 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.
mié. 10/222:15 pmSEA - SGN
1 stop18h 30mAsiana Airlines
mar. 11/1112:10 amSGN - SEA
1 stop27h 25mAsiana Airlines
Deal found 4/16$681
This FlightHub deal was found by Cheapflights users on 4/17. 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.
dom. 10/510:15 amSEA - HAN
1 stop41h 20mSingapore Airlines
sáb. 10/1812:40 pmHAN - SEA
1 stop34h 05mSingapore Airlines
Deal found 4/17$686
This oojo deal was found by Cheapflights users on 4/16. 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.
dom. 8/311:40 amSEA - DAD
1 stop24h 55mChina Airlines
mar. 9/305:35 pmDAD - SEA
1 stop15h 45mChina Airlines
Deal found 4/16$695
This Gotogate deal was found by Cheapflights users on 4/17. 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.
jue. 5/112:50 pmSEA - MNL
1 stop31h 05mKorean Air
dom. 5/412:20 pmMNL - SEA
1 stop37h 20mKorean Air
Deal found 4/17$721
This oojo deal was found by Cheapflights users on 4/17. 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.
mié. 9/32:15 pmSEA - HAN
1 stop17h 45mAsiana Airlines
vie. 9/1911:30 pmHAN - SEA
1 stop27h 00mAsiana Airlines
Deal found 4/17$723
This oojo deal was found by Cheapflights users on 4/17. 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.
mié. 9/31:30 pmSEA - HAN
2 stops38h 45mJapan Airlines
vie. 9/197:20 pmHAN - SEA
2 stops29h 05mJapan Airlines
Deal found 4/17$725
This FlightHub deal was found by Cheapflights users on 4/17. 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.
jue. 8/2810:15 amSEA - MNL
1 stop33h 35mSingapore Airlines
sáb. 9/207:35 pmMNL - SEA
1 stop28h 10mSingapore Airlines
Deal found 4/17$726
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/54:30 pmSEA - SGN
1 stop39h 25mUnited Airlines
jue. 9/1811:15 pmSGN - SEA
3 stops35h 39mUnited Airlines
Deal found 4/16$728
This oojo deal was found by Cheapflights users on 4/17. 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.
dom. 5/41:10 amSEA - SGN
1 stop25h 10mChina Airlines
lun. 5/195:30 pmSGN - SEA
1 stop16h 00mChina Airlines
Deal found 4/17$729
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/64:30 pmSEA - DAD
1 stop30h 10mMultiple Airlines
jue. 5/1511:50 pmDAD - SEA
1 stop28h 35mMultiple Airlines
Deal found 4/17$729
This StudentUniverse deal was found by Cheapflights users on 4/15. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/2412:50 pmSEA - SGN
1 stop20h 25mKorean Air
sáb. 5/2411:45 pmSGN - SEA
1 stop24h 55mKorean Air
Deal found 4/15$731
This KAYAK deal was found by Cheapflights users on 4/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/121:45 pmSEA - SGN
2 stops42h 10mANA
sáb. 11/111:05 pmSGN - SEA
2 stops34h 20mANA
Deal found 4/17$732

Cheapflights Fare Finder

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 abril 17, 2025.
Use the filters below to find and compare flights from Seattle to Southeast Asia that are best for you.

Fly from

Seattle

Fly to

Southeast Asia

Route

Depart

Return

Price

SeattleManila

SEA - MNL

SEAMNL

Seattle/Tacoma Intl

jue. 5/1

12:50 pm-10:55 am

1 stop31h 05m

Manila Ninoy Aquino Intl

dom. 5/4

12:20 pm-10:40 am

1 stop37h 20m

$721

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

vie. 9/5

4:30 pm-9:55 pm

1 stop39h 25m

Ho Chi Minh City

jue. 9/18

11:15 pm-8:54 pm

3 stops35h 39m

$728

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

dom. 5/4

1:10 am-4:20 pm

1 stop25h 10m

Ho Chi Minh City

lun. 5/12

5:30 pm-7:30 pm

1 stop16h 00m

$729

SeattleDa Nang

SEA - DAD

SEADAD

Seattle/Tacoma Intl

mar. 5/6

4:30 pm-12:40 pm

1 stop30h 10m

Da Nang

jue. 5/15

11:50 pm-2:25 pm

1 stop28h 35m

$729

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

lun. 5/5

6:15 am-12:15 am

2 stops28h 00m

Ho Chi Minh City

lun. 5/12

11:15 pm-2:25 pm

1 stop29h 10m

$730

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

dom. 10/12

1:45 pm-9:55 pm

2 stops42h 10m

Ho Chi Minh City

sáb. 11/1

11:05 pm-7:25 pm

2 stops34h 20m

$732

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

mié. 8/20

2:30 pm-11:05 am

1 stop30h 35m

Ho Chi Minh City

jue. 9/18

12:05 am-12:30 pm

1 stop26h 25m

$735

SeattleHo Chi Minh City

SEA - SGN

SEASGN

Seattle/Tacoma Intl

sáb. 10/11

10:15 am-2:35 pm

1 stop38h 20m

Ho Chi Minh City

sáb. 10/18

12:20 pm-8:45 am

1 stop34h 25m

$738

SeattleKuala Lumpur

SEA - KUL

SEAKUL

Seattle/Tacoma Intl

lun. 10/6

7:00 am-9:10 pm

2 stops23h 10m

Kuala Lumpur Intl

jue. 10/16

8:40 pm-8:45 am

1 stop27h 05m

$743

SeattleBangkok

SEA - BKK

SEABKK

Seattle/Tacoma Intl

dom. 10/5

11:35 pm-12:15 pm

1 stop22h 40m

Bangkok Suvarnabhumi

mar. 10/21

6:40 pm-7:15 pm

1 stop38h 35m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Southeast Asia

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

Currently, March is the cheapest month in which you can book a flight from Seattle to Southeast Asia (average of $958). Flying from Seattle to Southeast Asia in December is currently the most expensive (average of $1,574). 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 abril 17, 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 abril 17, 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
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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
154 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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
1,177 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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
1,064 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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
1,440 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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
8.3
Very good
844 reviews
STARLUX Airlines
9.1
Wonderful
154 reviews

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Food

8.9

Boarding

9.0

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 ANA, with whom users have recently found tickets for as low as $391. However, be on the lookout for offers from United Airlines and China Airlines, 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, March is the cheapest month in which you can book a flight from Seattle to Southeast Asia (average of $958). Flying from Seattle to Southeast Asia in December is currently the most expensive (average of $1,574). 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$539Average$1,113FlexibilityNo cancel feeOn-timeN/A
Singapore AirlinesCheapest$607Average$1,042FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$631Average$843FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$691Average$1,062FlexibilityNo cancel feeOn-time69%
Philippine AirlinesCheapest$692Average$1,009FlexibilityNo cancel feeOn-time60%
Korean AirCheapest$695Average$956FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$724Average$1,131FlexibilityNo cancel feeOn-time79%
China AirlinesCheapest$727Average$882FlexibilityNo cancel feeOn-time70%
ANACheapest$745Average$995FlexibilityNo cancel feeOn-time80%
Air CanadaCheapest$753Average$1,145FlexibilityNo cancel feeOn-time67%

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