$363+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BKK
Jul 5 — Jul 121
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Southeast Asia with Cheapflights
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Cheapest flights from Seattle to Southeast AsiaExplore 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 June 5, 2026.
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 June 5, 2026.
This oojo deal was found by Cheapflights users on 6/5. 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.
Wed 11/48:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Tue 11/109:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/5![Singapore Airlines logo]()
$655
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Sat 10/179:00 am
SIN
- SEA
Nonstop14h 45m
Singapore Airlines
Deal found 6/2![Singapore Airlines logo]()
$656
This oojo deal was found by Cheapflights users on 6/4. 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.
Thu 10/110:15 am
SEA
- DAD
1 stop41h 15m
Singapore Airlines
Sat 10/1711:55 am
DAD
- SEA
1 stop34h 50m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$698
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Sat 11/79:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/2![Singapore Airlines logo]()
$699
This oojo deal was found by Cheapflights users on 6/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/259:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Sat 10/319:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/3![Singapore Airlines logo]()
$700
This oojo deal was found by Cheapflights users on 6/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:15 am
SEA
- DAD
1 stop33h 40m
Singapore Airlines
Thu 10/1511:55 am
DAD
- SEA
1 stop34h 50m
Singapore Airlines
Deal found 6/3![Singapore Airlines logo]()
$708
This oojo deal was found by Cheapflights users on 6/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:45 am
SEA
- DPS
1 stop42h 20m
Singapore Airlines
Tue 11/38:15 pm
DPS
- SEA
1 stop26h 55m
Singapore Airlines
Deal found 6/3![Singapore Airlines logo]()
$709
This oojo deal was found by Cheapflights users on 6/5. 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.
Thu 10/810:15 am
SEA
- KUL
1 stop38h 30m
Singapore Airlines
Thu 10/2210:25 am
KUL
- SEA
1 stop37h 20m
Singapore Airlines
Deal found 6/5![Singapore Airlines logo]()
$711
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:15 am
SEA
- KUL
1 stop38h 30m
Singapore Airlines
Thu 10/299:00 am
KUL
- SEA
1 stop38h 10m
Singapore Airlines
Deal found 6/2![Singapore Airlines logo]()
$713
This oojo deal was found by Cheapflights users on 6/1. 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.
Tue 10/610:15 am
SEA
- DPS
1 stop34h 45m
Singapore Airlines
Thu 10/151:15 pm
DPS
- SEA
1 stop34h 30m
Singapore Airlines
Deal found 6/1![Singapore Airlines logo]()
$720
This oojo deal was found by Cheapflights users on 6/4. 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.
Tue 11/108:45 am
SEA
- SIN
Nonstop17h 00m
Singapore Airlines
Tue 12/19:00 am
SIN
- SEA
Nonstop14h 10m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$751
This oojo deal was found by Cheapflights users on 6/1. 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.
Fri 10/2310:15 am
SEA
- DPS
1 stop22h 50m
Singapore Airlines
Fri 11/69:40 pm
DPS
- SEA
1 stop25h 30m
Singapore Airlines
Deal found 6/1![Singapore Airlines logo]()
$752
Best flights from Seattle to Southeast AsiaDiscover carefully curated flight deals from Seattle to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
Discover carefully curated flight deals from Seattle to Southeast Asia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 5, 2026.
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:00 pm
SEA
- SIN
1 stop39h 15m
Delta
Mon 9/141:25 am
SIN
- SEA
1 stop27h 12m
Delta
Deal found 6/2![Delta logo]()
$820
This Asiana Airlines deal was found by Cheapflights users on 6/4. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Sun 9/2010:50 pm
SIN
- SEA
1 stop31h 25m
Asiana Airlines
Deal found 6/4![Asiana Airlines logo]()
$823
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
SEA
- HAN
2 stops25h 15m
United Airlines
Fri 9/1811:35 pm
HAN
- SEA
1 stop28h 50m
United Airlines
Deal found 6/3![United Airlines logo]()
$879
This Korean Air deal was found by Cheapflights users on 6/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:55 pm
SEA
- HAN
2 stops39h 40m
Korean Air
Wed 9/911:10 pm
HAN
- SEA
2 stops35h 18m
Korean Air
Deal found 6/5![Korean Air logo]()
$936
This IEagle deal was found by Cheapflights users on 5/31. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:40 am
SEA
- HAN
2 stops30h 35m
Qatar Airways
Tue 9/157:30 pm
HAN
- SEA
1 stop30h 55m
Qatar Airways
Deal found 5/31![Qatar Airways logo]()
$947
This STARLUX Airlines deal was found by Cheapflights users on 6/1. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:15 am
SEA
- CEB
1 stop17h 35m
STARLUX Airlines
Thu 10/2210:50 am
CEB
- SEA
1 stop20h 20m
STARLUX Airlines
Deal found 6/1![STARLUX Airlines logo]()
$1,020
This Korean Air deal was found by Cheapflights users on 6/1. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/111:05 pm
SEA
- BKK
1 stop18h 40m
Multiple Airlines
Mon 8/101:35 am
BKK
- SEA
1 stop26h 02m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,232
This Turkish Airlines deal was found by Cheapflights users on 6/2. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/267:05 pm
SEA
- BKK
1 stop25h 30m
Turkish Airlines
Thu 12/3111:45 pm
BKK
- SEA
1 stop32h 25m
Turkish Airlines
Deal found 6/2![Turkish Airlines logo]()
$1,279
This Emirates deal was found by Cheapflights users on 6/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/44:05 pm
SEA
- DMK
1 stop26h 55m
Emirates
Mon 11/1611:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 6/3![Emirates logo]()
$1,299
This Philippine Airlines deal was found by Cheapflights users on 6/2. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:10 pm
SEA
- CEB
1 stop20h 25m
Philippine Airlines
Thu 10/226:45 pm
CEB
- SEA
2 stops40h 20m
Philippine Airlines
Deal found 6/2![Philippine Airlines logo]()
$1,316
This oojo deal was found by Cheapflights users on 5/31. 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.
Mon 8/3112:10 am
SEA
- HAN
1 stop22h 05m
Asiana Airlines
Tue 9/151:25 pm
HAN
- SEA
1 stop15h 50m
Asiana Airlines
Deal found 5/31![Asiana Airlines logo]()
$887
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:05 pm
SEA
- HAN
1 stop31h 30m
Delta
Mon 9/2111:10 pm
HAN
- SEA
1 stop28h 27m
Delta
Deal found 6/2![Delta logo]()
$916
This KLM deal was found by Cheapflights users on 6/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:45 pm
SEA
- DPS
3 stops38h 50m
KLM
Thu 10/158:45 pm
DPS
- SEA
2 stops34h 50m
KLM
Deal found 6/1![KLM logo]()
$1,894
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:11 am
SEA
- CEB
2 stops23h 54m
United Airlines
Thu 9/179:15 am
CEB
- SEA
2 stops39h 44m
United Airlines
Deal found 6/2![United Airlines logo]()
$952
This Korean Air deal was found by Cheapflights users on 6/1. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:20 pm
SEA
- CEB
1 stop19h 10m
Korean Air
Sat 9/191:00 am
CEB
- SEA
2 stops34h 42m
Korean Air
Deal found 6/1![Korean Air logo]()
$956
This Delta deal was found by Cheapflights users on 6/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 pm
SEA
- HAN
1 stop18h 35m
Delta
Mon 9/711:10 pm
HAN
- SEA
1 stop28h 27m
Delta
Deal found 6/2![Delta logo]()
$942
This Qatar Airways deal was found by Cheapflights users on 6/3. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/304:25 pm
SEA
- HAN
1 stop24h 50m
Qatar Airways
Sun 9/207:30 pm
HAN
- SEA
2 stops39h 02m
Qatar Airways
Deal found 6/3![Qatar Airways logo]()
$1,040
This Korean Air deal was found by Cheapflights users on 6/1. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:20 pm
SEA
- CEB
1 stop19h 10m
Korean Air
Sat 9/191:00 am
CEB
- SEA
2 stops35h 51m
Korean Air
Deal found 6/1![Korean Air logo]()
$956
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 9/19:00 am
SEA
- BKK
3 stops34h 35m
United Airlines
Wed 9/169:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 6/5![United Airlines logo]()
$982
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:51 pm
SEA
- BKK
2 stops25h 34m
United Airlines
Tue 1/129:10 am
BKK
- SEA
2 stops26h 38m
United Airlines
Deal found 6/2![United Airlines logo]()
$987
This STARLUX Airlines deal was found by Cheapflights users on 6/1. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:45 am
SEA
- KUL
1 stop24h 15m
STARLUX Airlines
Thu 10/295:10 pm
KUL
- SEA
1 stop37h 55m
STARLUX Airlines
Deal found 6/1![STARLUX Airlines logo]()
$1,207
This Korean Air deal was found by Cheapflights users on 6/4. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:50 pm
SEA
- KUL
1 stop42h 00m
Korean Air
Fri 10/2311:20 pm
KUL
- SEA
1 stop26h 20m
Korean Air
Deal found 6/4![Korean Air logo]()
$1,003
This Delta deal was found by Cheapflights users on 5/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:00 pm
SEA
- DPS
1 stop19h 50m
Delta
Tue 9/2211:45 pm
DPS
- SEA
1 stop28h 52m
Delta
Deal found 5/31![Delta logo]()
$1,017
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:25 pm
SEA
- KUL
2 stops39h 30m
Qatar Airways
Sat 9/269:30 am
KUL
- SEA
1 stop41h 55m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,123
This Emirates deal was found by Cheapflights users on 6/3. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/24:05 pm
SEA
- DMK
1 stop26h 55m
Emirates
Thu 11/1911:00 am
DMK
- SEA
1 stop40h 35m
Emirates
Deal found 6/3![Emirates logo]()
$1,299
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:52 pm
SEA
- BKK
2 stops24h 43m
United Airlines
Tue 10/277:10 am
BKK
- SEA
3 stops28h 02m
United Airlines
Deal found 6/3![United Airlines logo]()
$989
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:10 pm
SEA
- DMK
1 stop22h 15m
Multiple Airlines
Thu 10/226:00 pm
DMK
- SEA
2 stops28h 45m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$1,331
This Korean Air deal was found by Cheapflights users on 6/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2512:00 pm
SEA
- CEB
1 stop19h 20m
Korean Air
Wed 4/211:00 am
CEB
- SEA
1 stop24h 40m
Korean Air
Deal found 6/5![Korean Air logo]()
$1,008
This STARLUX Airlines deal was found by Cheapflights users on 5/31. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:15 am
SEA
- MNL
1 stop17h 15m
STARLUX Airlines
Tue 7/2810:45 am
MNL
- SEA
1 stop20h 50m
STARLUX Airlines
Deal found 5/31![STARLUX Airlines logo]()
$1,259
This Qatar Airways deal was found by Cheapflights users on 6/5. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/109:59 am
SEA
- KUL
2 stops30h 56m
Qatar Airways
Tue 10/132:40 am
KUL
- SEA
1 stop24h 45m
Qatar Airways
Deal found 6/5![Qatar Airways logo]()
$1,158
Last-minute flights from Seattle to Southeast AsiaDiscover last-minute flight deals from Seattle to Southeast Asia. Data last updated June 5, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Southeast Asia. Data last updated June 5, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/4. 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 6/711:10 pm
SEA
- KUL
1 stop21h 00m
Philippine Airlines
Wed 6/1012:20 pm
KUL
- SEA
1 stop22h 45m
Philippine Airlines
Deal found 6/4![Philippine Airlines logo]()
$930
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/711:10 pm
SEA
- KUL
1 stop21h 00m
Philippine Airlines
Thu 6/1112:20 pm
KUL
- SEA
1 stop22h 45m
Philippine Airlines
Deal found 6/5![Philippine Airlines logo]()
$971
This lastminute.com deal was found by Cheapflights users on 6/5. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:20 pm
SEA
- HAN
2 stops28h 15m
Korean Air
Sat 7/1812:05 pm
HAN
- SEA
2 stops23h 44m
Korean Air
Deal found 6/5![Korean Air logo]()
$920
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 7/74:30 pm
SEA
- BKK
1 stop22h 05m
United Airlines
Wed 10/79:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 6/5![United Airlines logo]()
$973
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/84:30 pm
SEA
- BKK
1 stop22h 05m
ANA
Tue 7/289:35 am
BKK
- SEA
1 stop18h 50m
ANA
Deal found 6/5![ANA logo]()
$981
This United Airlines deal was found by Cheapflights users on 6/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/83:33 pm
SEA
- BKK
2 stops28h 02m
United Airlines
Tue 7/289:35 am
BKK
- SEA
1 stop18h 50m
United Airlines
Deal found 6/3![United Airlines logo]()
$986
This FlightHub deal was found by Cheapflights users on 6/5. 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 7/98:45 am
SEA
- BKK
2 stops23h 30m
ANA
Sun 7/199:35 pm
BKK
- SEA
1 stop30h 50m
ANA
Deal found 6/5![ANA logo]()
$982
This United Airlines deal was found by Cheapflights users on 6/5. 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.
Thu 7/96:00 am
SEA
- BKK
2 stops37h 35m
United Airlines
Mon 10/59:35 am
BKK
- SEA
2 stops27h 51m
United Airlines
Deal found 6/5![United Airlines logo]()
$983
This Gotogate deal was found by Cheapflights users on 5/31. 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.
Sat 7/184:30 pm
SEA
- MNL
1 stop30h 00m
Multiple Airlines
Sun 3/711:45 pm
MNL
- SEA
1 stop30h 10m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$981
This Gotogate deal was found by Cheapflights users on 5/31. 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 7/214:30 pm
SEA
- MNL
1 stop30h 00m
Multiple Airlines
Thu 3/1812:05 pm
MNL
- SEA
1 stop17h 50m
Multiple Airlines
Deal found 5/31![Multiple Airlines logo]()
$982
This Trip.com deal was found by Cheapflights users on 6/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Mon 8/310:50 pm
SIN
- SEA
1 stop31h 55m
Asiana Airlines
Deal found 6/5![Asiana Airlines logo]()
$863
This Korean Air deal was found by Cheapflights users on 6/5. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/261:20 pm
SEA
- BKK
1 stop34h 15m
Korean Air
Thu 8/139:40 pm
BKK
- SEA
1 stop27h 20m
Korean Air
Deal found 6/5![Korean Air logo]()
$987
One-way flights from Seattle to Southeast AsiaSearch for one-way flight options from Seattle to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
Search for one-way flight options from Seattle to Southeast Asia. Find affordable one-way fares based on user searches. Data last updated June 5, 2026.
This oojo deal was found by Cheapflights users on 6/4. 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.
Fri 9/1110:15 am
SEA
- SIN
Nonstop16h 20m
Singapore Airlines
Deal found 6/4![Singapore Airlines logo]()
$363
This SmartFares deal was found by Cheapflights users on 6/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/1912:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 6/5![Asiana Airlines logo]()
$381
This FlightHub deal was found by Cheapflights users on 6/4. 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.
Mon 8/1712:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 6/4![Asiana Airlines logo]()
$391
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:10 am
SEA
- SIN
1 stop29h 45m
Asiana Airlines
Deal found 6/2![Asiana Airlines logo]()
$396
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:10 pm
SEA
- SIN
1 stop23h 05m
Philippine Airlines
Deal found 6/2![Philippine Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/77:11 am
SEA
- SIN
1 stop20h 24m
United Airlines
Deal found 6/2![United Airlines logo]()
$405
This Trip.com deal was found by Cheapflights users on 6/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2011:10 pm
SEA
- SIN
1 stop33h 25m
Philippine Airlines
Deal found 6/4![Philippine Airlines logo]()
$406
This oojo deal was found by Cheapflights users on 6/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:10 pm
SEA
- DAD
1 stop24h 00m
Philippine Airlines
Deal found 6/2![Philippine Airlines logo]()
$407
This oojo deal was found by Cheapflights users on 6/1. 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.
Fri 9/1110:15 am
SEA
- DPS
1 stop22h 55m
Singapore Airlines
Deal found 6/1![Singapore Airlines logo]()
$408
This Trip.com deal was found by Cheapflights users on 6/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:10 pm
SEA
- HAN
1 stop35h 35m
Philippine Airlines
Deal found 6/1![Philippine Airlines logo]()
$409
This Asiana Airlines deal was found by Cheapflights users on 6/3. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:10 am
SEA
- SIN
1 stop30h 20m
Asiana Airlines
Deal found 6/3![Asiana Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 6/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:51 pm
SEA
- SIN
2 stops32h 44m
United Airlines
Deal found 6/2![United Airlines logo]()
$411
Find 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 June 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $655 (oojo) |
One-way from | $363 (oojo) |
Popular in | June |
Cheapest in | January |
Average price | $1,260 |
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 June 5, 2026.
Use the filters below to find and compare flights from Seattle to Southeast Asia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Tue 9/8
1:00 pm-7:15 pm
1 stop39h 15m
Singapore Changi
Mon 9/14
1:25 am-1:37 pm
1 stop27h 12m
$820
SeattleSingapore
SEA - SIN
SEASIN
Seattle/Tacoma Intl
Mon 9/7
12:10 am-9:30 pm
1 stop30h 20m
Singapore Changi
Sun 9/20
10:50 pm-3:15 pm
1 stop31h 25m
$823
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Sat 8/29
7:00 am-10:15 pm
2 stops25h 15m
Hanoi Noibai
Fri 9/18
11:35 pm-2:25 pm
1 stop28h 50m
$879
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Mon 8/31
12:10 am-12:15 pm
1 stop22h 05m
Hanoi Noibai
Tue 9/15
1:25 pm-3:15 pm
1 stop15h 50m
$887
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Fri 8/14
1:05 pm-10:35 am
1 stop31h 30m
Hanoi Noibai
Mon 9/21
11:10 pm-1:37 pm
1 stop28h 27m
$916
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Sat 8/15
3:55 pm-9:35 pm
2 stops39h 40m
Hanoi Noibai
Wed 9/9
11:10 pm-8:28 pm
2 stops35h 18m
$936
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Tue 9/1
1:00 pm-9:35 pm
1 stop18h 35m
Hanoi Noibai
Mon 9/7
11:10 pm-1:37 pm
1 stop28h 27m
$942
SeattleHanoi
SEA - HAN
SEAHAN
Seattle/Tacoma Intl
Tue 9/1
10:40 am-7:15 am
2 stops30h 35m
Hanoi Noibai
Tue 9/15
7:30 pm-12:25 pm
1 stop30h 55m
$947
SeattleCebu City
SEA - CEB
SEACEB
Seattle/Tacoma Intl
Mon 9/7
7:11 am-10:05 pm
2 stops23h 54m
Cebu City Mactan Intl
Thu 9/17
9:15 am-9:59 am
2 stops39h 44m
$952
SeattleCebu City
SEA - CEB
SEACEB
Seattle/Tacoma Intl
Sat 8/22
1:20 pm-11:30 pm
1 stop19h 10m
Cebu City Mactan Intl
Sat 9/19
1:00 am-8:42 pm
2 stops34h 42m
$956
Showing 1-10 of 60 resultsSorted by cheapest first
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.
SEA-SIN
SEA-DAD
SEA-DPS
SEA-HAN
SEA-CEB
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
SEA-zzYJX
SEA-SIN
SEA-DAD
SEA-DPS
SEA-HAN
What is the cheapest month to book a flight from Seattle to Southeast Asia?
Currently, September is the cheapest month in which you can book a flight from Seattle to Southeast Asia (average of $721). Flying from Seattle to Southeast Asia in December is currently the most expensive (average of $1,318). 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 June 5, 2026.
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.
How far ahead should I book a flight from Seattle to Southeast Asia?
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Southeast Asia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 5, 2026.
Get a feel of what it's like to fly with EVA Air,China Airlines, andSingapore Airlines from Seattle to Southeast Asia by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
Overall
8.5
Boarding
8.4
Entertainment
8.0
Food
8.1
Crew
8.7
Comfort
8.3
Reviews
1 / 20
10.0
ExcellentDaisy,May 2026
SFO - TPE
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.
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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.
Complete your trip
Complete your trip to Southeast Asia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Southeast Asia by cabin class
Find flights from Seattle to Southeast Asia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Southeast Asia flights
Browse other Seattle and Southeast Asia flight options. Last updated on June 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Seattle to Southeast Asia flights
Consider these flights traveling from Seattle to Southeast Asia.
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 June 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$149 | Average$808 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$432 | Average$844 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$440 | Average$928 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$493 | Average$772 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$530 | Average$1,063 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$533 | Average$743 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$548 | Average$910 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$606 | Average$939 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$616 | Average$917 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$668 | Average$809 | FlexibilityNo cancel fee | On-time70% |