$428+ Cheap flights from Houston to Vietnam
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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SGN
Apr 9 — Apr 161
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Houston to VietnamExplore the most affordable flight options available from Houston to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
Explore the most affordable flight options available from Houston to Vietnam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.
This oojo deal was found by Cheapflights users on 3/10. 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 9/237:30 am
IAH
- HAN
2 stops53h 15m
Philippine Airlines
Wed 9/301:45 am
HAN
- IAH
2 stops52h 30m
Philippine Airlines
Deal found 3/10![Philippine Airlines logo]()
$707
This Gurufare deal was found by Cheapflights users on 3/8. 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.
Wed 8/196:30 am
IAH
- DAD
2 stops44h 50m
Multiple Airlines
Wed 9/304:30 pm
DAD
- IAH
2 stops37h 45m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$832
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Tue 8/1810:12 am
IAH
- HAN
2 stops35h 43m
Multiple Airlines
Fri 9/257:55 am
HAN
- IAH
1 stop37h 50m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$934
This KAYAK deal was found by Cheapflights users on 3/6. 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.
Mon 8/108:31 pm
IAH
- SGN
2 stops25h 34m
Cathay Pacific
Mon 9/146:20 pm
SGN
- IAH
2 stops37h 10m
Cathay Pacific
Deal found 3/6![Cathay Pacific logo]()
$934
This United Airlines deal was found by Cheapflights users on 3/8. 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 9/2811:35 am
IAH
- SGN
1 stop22h 20m
United Airlines
Thu 10/17:00 am
SGN
- IAH
1 stop19h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/229:37 am
IAH
- SGN
2 stops24h 28m
United Airlines
Wed 5/1311:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/8![United Airlines logo]()
$936
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/1910:05 pm
IAH
- SGN
2 stops35h 50m
United Airlines
Wed 5/2011:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$937
This Cathay Pacific deal was found by Cheapflights users on 3/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
IAH
- SGN
2 stops29h 20m
Multiple Airlines
Tue 5/56:55 am
SGN
- IAH
2 stops34h 21m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$938
This FlightHub deal was found by Cheapflights users on 3/7. 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 8/2011:35 am
IAH
- DAD
1 stop38h 35m
Multiple Airlines
Sun 9/271:05 am
DAD
- IAH
1 stop25h 50m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$939
This United Airlines deal was found by Cheapflights users on 3/7. 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 8/3010:08 pm
IAH
- SGN
2 stops38h 07m
United Airlines
Mon 9/2811:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/7![United Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/196:40 pm
IAH
- SGN
3 stops39h 25m
United Airlines
Tue 5/1911:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$941
This Delta deal was found by Cheapflights users on 3/8. 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 11/176:30 am
IAH
- SGN
2 stops27h 50m
Delta
Mon 12/78:00 am
SGN
- IAH
2 stops27h 48m
Delta
Deal found 3/8![Delta logo]()
$942
Best flights from Houston to VietnamDiscover carefully curated flight deals from Houston to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
Discover carefully curated flight deals from Houston to Vietnam that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 10, 2026.
This Delta deal was found by Cheapflights users on 3/8. 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.
Mon 5/47:45 am
IAH
- SGN
2 stops26h 25m
Delta
Tue 5/127:30 am
SGN
- IAH
2 stops24h 30m
Delta
Deal found 3/8![Delta logo]()
$942
This United Airlines deal was found by Cheapflights users on 3/7. 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 5/46:00 am
IAH
- SGN
2 stops28h 05m
United Airlines
Thu 6/47:00 am
SGN
- IAH
2 stops28h 14m
United Airlines
Deal found 3/7![United Airlines logo]()
$949
This Cathay Pacific deal was found by Cheapflights users on 3/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:00 am
IAH
- HAN
2 stops38h 55m
Multiple Airlines
Mon 4/207:10 pm
HAN
- IAH
2 stops36h 01m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,009
This Emirates deal was found by Cheapflights users on 3/7. 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.
Sat 3/287:55 pm
IAH
- DAD
2 stops37h 55m
Emirates
Sun 4/1211:30 pm
DAD
- IAH
2 stops53h 20m
Emirates
Deal found 3/7![Emirates logo]()
$1,322
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Fri 3/139:55 am
IAH
- HAN
2 stops33h 00m
Qatar Airways
Sun 3/227:10 pm
HAN
- IAH
2 stops38h 23m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$1,536
This EVA Air deal was found by Cheapflights users on 3/8. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/186:38 pm
IAH
- DAD
2 stops52h 57m
EVA Air
Tue 8/1812:55 pm
DAD
- IAH
2 stops38h 40m
EVA Air
Deal found 3/8![EVA Air logo]()
$1,762
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
HOU
- SGN
2 stops29h 15m
Delta
Thu 10/17:30 am
SGN
- HOU
2 stops26h 05m
Delta
Deal found 3/5![Delta logo]()
$942
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/277:00 am
IAH
- SGN
3 stops27h 05m
United Airlines
Tue 5/267:00 am
SGN
- IAH
2 stops28h 14m
United Airlines
Deal found 3/6![United Airlines logo]()
$962
This China Airlines deal was found by Cheapflights users on 3/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:35 pm
HOU
- DAD
2 stops33h 55m
Multiple Airlines
Wed 5/2010:00 am
DAD
- HOU
2 stops24h 20m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,033
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/215:00 am
IAH
- SGN
2 stops28h 55m
United Airlines
Wed 6/37:00 am
SGN
- IAH
3 stops25h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$963
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:35 pm
HOU
- SGN
2 stops31h 00m
Delta
Thu 10/17:30 am
SGN
- HOU
2 stops26h 05m
Delta
Deal found 3/5![Delta logo]()
$982
This Mytrip deal was found by Cheapflights users on 3/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:04 pm
IAH
- HAN
2 stops30h 26m
Multiple Airlines
Thu 4/239:35 am
HAN
- IAH
2 stops34h 50m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,063
This Delta deal was found by Cheapflights users on 3/8. 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.
Sat 4/186:00 am
HOU
- SGN
2 stops29h 15m
Delta
Mon 5/187:30 am
SGN
- HOU
2 stops26h 56m
Delta
Deal found 3/8![Delta logo]()
$982
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/2611:35 am
IAH
- SGN
1 stop22h 20m
United Airlines
Tue 5/267:00 am
SGN
- IAH
2 stops23h 39m
United Airlines
Deal found 3/6![United Airlines logo]()
$994
This China Airlines deal was found by Cheapflights users on 3/5. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:35 pm
HOU
- SGN
3 stops33h 05m
Multiple Airlines
Wed 10/215:30 pm
SGN
- HOU
2 stops28h 50m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,067
This United Airlines deal was found by Cheapflights users on 3/6. 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 8/279:53 am
IAH
- SGN
2 stops24h 12m
United Airlines
Sat 9/127:00 am
SGN
- IAH
2 stops23h 35m
United Airlines
Deal found 3/6![United Airlines logo]()
$998
This Emirates deal was found by Cheapflights users on 3/10. 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 4/227:35 pm
IAH
- DAD
2 stops38h 15m
Emirates
Wed 5/2011:30 pm
DAD
- IAH
3 stops34h 06m
Emirates
Deal found 3/10![Emirates logo]()
$1,446
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/169:37 am
IAH
- SGN
2 stops24h 28m
United Airlines
Sun 5/107:00 am
SGN
- IAH
3 stops26h 31m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,002
This Delta deal was found by Cheapflights users on 3/8. 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 4/146:00 am
HOU
- SGN
2 stops29h 15m
Delta
Sat 4/187:30 am
SGN
- HOU
2 stops41h 10m
Delta
Deal found 3/8![Delta logo]()
$1,142
This China Airlines deal was found by Cheapflights users on 3/6. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:30 pm
HOU
- SGN
2 stops33h 30m
Multiple Airlines
Wed 4/2910:50 am
SGN
- HOU
2 stops30h 10m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$1,170
This United Airlines deal was found by Cheapflights users on 3/8. 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 5/77:20 am
IAH
- SGN
2 stops26h 45m
United Airlines
Sat 5/237:00 am
SGN
- IAH
3 stops25h 55m
United Airlines
Deal found 3/8![United Airlines logo]()
$1,002
This KAYAK deal was found by Cheapflights users on 3/9. 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.
Sat 3/2112:18 pm
HOU
- HAN
2 stops30h 37m
Qatar Airways
Tue 3/318:45 am
HAN
- HOU
2 stops43h 05m
Qatar Airways
Deal found 3/9![Qatar Airways logo]()
$1,622
This Delta deal was found by Cheapflights users on 3/9. 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.
Sun 4/126:00 am
HOU
- SGN
2 stops28h 10m
Delta
Sat 5/27:30 am
SGN
- HOU
2 stops41h 10m
Delta
Deal found 3/9![Delta logo]()
$1,182
This Emirates deal was found by Cheapflights users on 3/5. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/78:26 pm
IAH
- DAD
3 stops61h 24m
Emirates
Wed 7/111:30 pm
DAD
- IAH
2 stops29h 20m
Emirates
Deal found 3/5![Emirates logo]()
$1,603
This Cathay Pacific deal was found by Cheapflights users on 3/5. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:21 pm
HOU
- HAN
2 stops25h 34m
Multiple Airlines
Thu 4/2310:55 am
HAN
- HOU
2 stops24h 52m
Multiple Airlines
Deal found 3/5![Multiple Airlines logo]()
$1,225
This United Airlines deal was found by Cheapflights users on 3/10. 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 5/2510:40 am
IAH
- HAN
1 stop23h 55m
United Airlines
Wed 6/1011:35 pm
HAN
- IAH
1 stop27h 25m
United Airlines
Deal found 3/10![United Airlines logo]()
$1,067
This Delta deal was found by Cheapflights users on 3/8. 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 5/86:00 am
HOU
- SGN
2 stops28h 10m
Delta
Sat 5/2311:45 pm
SGN
- HOU
2 stops28h 24m
Delta
Deal found 3/8![Delta logo]()
$1,182
This Cathay Pacific deal was found by Cheapflights users on 3/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:18 pm
HOU
- HAN
2 stops37h 52m
Multiple Airlines
Wed 4/297:10 pm
HAN
- HOU
2 stops40h 37m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$1,225
This Emirates deal was found by Cheapflights users on 3/9. 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.
Fri 3/208:21 pm
IAH
- DAD
3 stops61h 09m
Emirates
Fri 4/2411:30 pm
DAD
- IAH
2 stops53h 20m
Emirates
Deal found 3/9![Emirates logo]()
$1,653
This Delta deal was found by Cheapflights users on 3/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:00 am
HOU
- SGN
2 stops42h 35m
Delta
Sun 5/317:30 am
SGN
- HOU
2 stops37h 57m
Delta
Deal found 3/5![Delta logo]()
$1,187
Last-minute flights from Houston to VietnamDiscover last-minute flight deals from Houston to Vietnam. Data last updated March 10, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Vietnam. Data last updated March 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/7. 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.
Tue 4/74:22 pm
IAH
- SGN
2 stops30h 43m
Multiple Airlines
Tue 4/214:30 pm
SGN
- IAH
1 stop27h 55m
Multiple Airlines
Deal found 3/7![Multiple Airlines logo]()
$934
This Cathay Pacific deal was found by Cheapflights users on 3/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:00 am
IAH
- SGN
2 stops29h 20m
Multiple Airlines
Tue 5/56:55 am
SGN
- IAH
2 stops34h 21m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$938
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
Sat 4/116:14 pm
IAH
- SGN
2 stops28h 51m
Multiple Airlines
Tue 5/1211:35 pm
SGN
- IAH
1 stop20h 50m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$944
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Mon 4/136:14 pm
IAH
- SGN
2 stops28h 51m
Multiple Airlines
Tue 4/214:30 pm
SGN
- IAH
1 stop27h 55m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$946
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/1410:10 am
IAH
- SGN
1 stop26h 05m
United Airlines
Sun 5/1011:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/1910:05 pm
IAH
- SGN
2 stops35h 50m
United Airlines
Wed 5/2011:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$937
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/196:40 pm
IAH
- SGN
3 stops39h 25m
United Airlines
Tue 5/1911:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/6![United Airlines logo]()
$941
This KAYAK deal was found by Cheapflights users on 3/6. 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.
Tue 4/217:00 am
IAH
- SGN
2 stops29h 20m
Multiple Airlines
Tue 5/511:05 am
SGN
- IAH
2 stops44h 06m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$940
This United Airlines deal was found by Cheapflights users on 3/8. 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 4/229:37 am
IAH
- SGN
2 stops24h 28m
United Airlines
Wed 5/1311:15 pm
SGN
- IAH
1 stop21h 30m
United Airlines
Deal found 3/8![United Airlines logo]()
$936
This Delta deal was found by Cheapflights users on 3/8. 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.
Wed 4/225:23 pm
HOU
- SGN
2 stops40h 47m
Delta
Wed 5/137:30 am
SGN
- HOU
2 stops26h 56m
Delta
Deal found 3/8![Delta logo]()
$942
This Delta deal was found by Cheapflights users on 3/9. 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 4/235:24 am
IAH
- SGN
2 stops29h 51m
Delta
Mon 5/181:55 pm
SGN
- IAH
2 stops43h 44m
Delta
Deal found 3/9![Delta logo]()
$942
This FlightHub deal was found by Cheapflights users on 3/6. 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 4/288:17 am
IAH
- SGN
2 stops27h 58m
ANA
Sun 5/2411:15 pm
SGN
- IAH
1 stop21h 30m
ANA
Deal found 3/6![ANA logo]()
$943
One-way flights from Houston to VietnamSearch for one-way flight options from Houston to Vietnam. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
Search for one-way flight options from Houston to Vietnam. Find affordable one-way fares based on user searches. Data last updated March 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sun 4/1910:49 am
IAH
- HAN
2 stops37h 26m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$428
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 4/2010:17 pm
IAH
- HAN
3 stops49h 58m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$430
This BusinessClass deal was found by Cheapflights users on 3/9. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:32 pm
IAH
- DAD
2 stops34h 38m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Sun 4/2610:15 pm
IAH
- HAN
2 stops50h 00m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$441
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Sat 8/2210:15 pm
IAH
- DAD
2 stops48h 50m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Mon 8/1710:45 am
IAH
- DAD
3 stops55h 35m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$447
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Wed 8/1910:12 am
IAH
- DAD
3 stops45h 38m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$454
This Kiwi.com deal was found by Cheapflights users on 3/6. 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.
Wed 9/22:35 pm
IAH
- SGN
3 stops31h 30m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Fri 4/246:10 am
IAH
- SGN
3 stops40h 55m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 4/166:00 am
IAH
- HAN
3 stops42h 15m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/76:45 am
IAH
- SGN
3 stops37h 45m
Multiple Airlines
Deal found 3/6![Multiple Airlines logo]()
$470
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 8/208:59 pm
IAH
- DAD
3 stops59h 06m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$470
Find flight deals from Houston to Vietnam
Keep the following information in mind while searching for Houston to Vietnam flight deals. Data was last updated March 10, 2026.
Round-trip from | $707 (oojo) |
|---|---|
One-way from | $428 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,016 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Vietnam 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 10, 2026.
Use the filters below to find and compare flights from Houston to Vietnam that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Mon 5/4
7:45 am-10:10 pm
2 stops26h 25m
Ho Chi Minh City
Tue 5/12
7:30 am-8:00 pm
2 stops24h 30m
$942
HoustonHo Chi Minh City
HOU - SGN
HOUSGN
Houston Hobby
Wed 8/19
6:00 am-11:15 pm
2 stops29h 15m
Ho Chi Minh City
Thu 10/1
7:30 am-9:35 pm
2 stops26h 05m
$942
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Mon 5/4
6:00 am-10:05 pm
2 stops28h 05m
Ho Chi Minh City
Thu 6/4
7:00 am-11:14 pm
2 stops28h 14m
$949
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Mon 4/27
7:00 am-10:05 pm
3 stops27h 05m
Ho Chi Minh City
Tue 5/26
7:00 am-11:14 pm
2 stops28h 14m
$962
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Tue 4/21
5:00 am-9:55 pm
2 stops28h 55m
Ho Chi Minh City
Wed 6/3
7:00 am-8:55 pm
3 stops25h 55m
$963
HoustonHo Chi Minh City
HOU - SGN
HOUSGN
Houston Hobby
Fri 8/21
5:35 pm-12:35 pm
2 stops31h 00m
Ho Chi Minh City
Thu 10/1
7:30 am-9:35 pm
2 stops26h 05m
$982
HoustonHo Chi Minh City
HOU - SGN
HOUSGN
Houston Hobby
Sat 4/18
6:00 am-11:15 pm
2 stops29h 15m
Ho Chi Minh City
Mon 5/18
7:30 am-10:26 pm
2 stops26h 56m
$982
Quickest round-trip
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Sun 4/26
11:35 am-9:55 pm
1 stop22h 20m
Ho Chi Minh City
Tue 5/26
7:00 am-6:39 pm
2 stops23h 39m
$994
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Thu 8/27
9:53 am-10:05 pm
2 stops24h 12m
Ho Chi Minh City
Sat 9/12
7:00 am-6:35 pm
2 stops23h 35m
$998
HoustonHo Chi Minh City
IAH - SGN
IAHSGN
Houston George Bush Intcntl
Thu 4/16
9:37 am-10:05 pm
2 stops24h 28m
Ho Chi Minh City
Sun 5/10
7:00 am-9:31 pm
3 stops26h 31m
$1,002
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Houston to Vietnam
Have a flexible travel schedule? Discover the best time to fly to Vietnam from Houston with our price prediction graph.
IAH-SGN
HOU-SGN
IAH-HAN
IAH-DAD
HOU-DAD
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 Houston to Vietnam
HO1-VN0
IAH-SGN
HOU-SGN
IAH-HAN
IAH-DAD
What is the cheapest month to book a flight from Houston to Vietnam?
Currently, September is the cheapest month in which you can book a flight from Houston to Vietnam (average of $793). Flying from Houston to Vietnam in May is currently the most expensive (average of $983). 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.
Reviews of airlines servicing Vietnam
Get insights into the airlines that provide service to Vietnam. 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 Vietnam. Reviews last updated March 10, 2026.
Get a feel of what it's like to fly with EVA Air,ANA, andDelta from Houston to Vietnam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Boarding
8.4
Overall
8.4
Entertainment
8.0
Food
8.1
Comfort
8.3
Crew
8.6
Reviews
1 / 20
8.0
ExcellentJolene,Jan 2026
SGN - TPE
Related info for your journey
Find useful and relevant information for your journey from Houston to Vietnam. 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 Houston to Vietnam
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Vietnam by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Vietnam by cabin class
Find flights from Houston to Vietnam, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Vietnam flights
Browse other Houston and Vietnam flight options. Last updated on March 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Vietnam flights
Consider these flights traveling from Houston to Vietnam.
Fly to Vietnam regions
Consider these flights traveling to Vietnam regions.
Top 10 airlines flying from Houston to Vietnam
Discover the top 10 airlines that operate flights from Houston to Vietnam. 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 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$560 | Average$1,168 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$616 | Average$1,326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$800 | Average$1,167 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$806 | Average$1,076 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$828 | Average$1,181 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$848 | Average$1,254 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$859 | Average$1,356 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$865 | Average$1,116 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$912 | Average$950 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$947 | Average$1,246 | FlexibilityNo cancel fee | On-time74% |