Route brief · HOU → SGN
Houston → Ho Chi Minh City
$630
round-trip · too little price history on this route to compare
Nov 1 – Dec 1 · 30 nights
United1 stop
Cached fare — the booking search re-prices live before you pay.
Destination briefSGNHo Chi Minh CityFaster and richer than Hanoi, and the usual door to the Mekong Delta and the southern coast.Best windowDec–MarAirportsTan Son Nhat (SGN)All routes into Ho Chi Minh CityWhen this route gets cheap.
Best time to be in Ho Chi Minh City: Dec–Mar. Fare history for this route is still thin, so we make no seasonal call yet.
The cheapest itinerary we are tracking makes one stop and takes about 24.5 hours outbound, on a 30-night trip — ticketed under United, which on a connecting fare need not operate every leg. At $630 for 14,923 km each way, that works out to about $21 per 1,000 km flown. That is well under the $40 that ultra-long-haul fares on this board typically run. Across the 12 departure cities we track at a similar distance from Ho Chi Minh City, this fare ranks 4th — 1.7× the $365 we hold from Los Angeles. That puts it in the cheaper half of the 27 routes of similar length we watch out of Houston, where the middle fare is $1,084. We have 2 months of cached prices for this route so far — not enough to call a fare cheap or expensive, so we publish the price without a percentage.
The one day we hold a cached fare for
Tap a date → live search
The median cached fare across this calendar is 17% higher than when tracking began on Aug 8 — $812 then versus $948 now, across 5 recorded snapshots. This is a calendar-level trend, so an individual deal above can be lower. The lowest single day we have seen here is $639, on Aug 25.
These are the only days we have a cached price for on this route so far — not the only days it flies. The search above covers any date.
Route facts
- Airports
- Bush (IAH) · Hobby (HOU) ↔ Tan Son Nhat (SGN)
- Flight time
- ~24.5 hours outbound
- Distance
- ~14,923 km each way
- Airlines on the board
- United
- Itineraries
- Connections on current fares
- Best months to visit
- Dec–Mar
HOU → SGN, answered.
How far in advance should I book HOU → Ho Chi Minh City?
We do not publish a number for this, because we cannot measure it yet. Answering it honestly means watching the same departure date on this route over many weeks as it approaches, and that archive is still filling up — so any "book N days ahead" figure here would be borrowed from somewhere else rather than measured. See /guides/what-moves-a-flight-price/ for the levers we can measure.
Are there nonstop flights from Houston to Ho Chi Minh City?
The current cheapest fares involve a connection, ticketed under United. Nonstop options exist on many dates at higher prices — check the live search for your exact dates.
Are these prices guaranteed?
No — these are cached fares found on real searches (this one on September 1). Airlines reprice constantly, so the booking search re-checks the live price before you pay. Fresher finds are far more likely to still be available.
Next step
Sleeping in Ho Chi Minh City?
Lock the flight first — then compare stays for Nov 1 – Dec 1 · 30 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next HOU → SGN drop reaches you as soon as we find it.
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