Route brief · BOS → SGN
Boston → Ho Chi Minh City
$1,055
−4% vs typical
seasonal median $1,100 · difference $45
Oct 4 – Oct 25 · 21 nights
United2 stops
- Usual monthly lows
- $1,068–$1,605
- Board rank
- Stronger than 4%
- Route sample
- 5 observed months
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.
Cached-fare history: across 5 months, Oct is the cheapest for BOS → SGN. Best time to be there: Dec–Mar.
Fares bottom out in October around $1,055 and peak in December near $1,787 — a $732 spread across the 5 months we track. The cheapest itinerary we are tracking makes 2 stops and takes about 22.5 hours outbound, on a 21-night trip — ticketed under United, which on a connecting fare need not operate every leg. At $1,055 for 14,097 km each way, that works out to about $37 per 1,000 km flown. That is below the $40 typical of ultra-long-haul fares here. Across the 13 departure cities we track at a similar distance from Ho Chi Minh City, this fare ranks 10th — 2.9× the $365 we hold from Los Angeles. That puts it in the cheaper half of the 28 routes of similar length we watch out of Boston, where the middle fare is $1,059.
The 3 days we hold a cached fare for
Tap a date → live search
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.
Cheapest in Oct · around $1,055
4% below the $1,100 typical fare
Cheapest round-trip fare found per month · Boston → Ho Chi Minh City · cached-price history
Route facts
- Airports
- Logan (BOS) ↔ Tan Son Nhat (SGN)
- Flight time
- ~22.5 hours outbound
- Distance
- ~14,097 km each way
- Typical price
- $1,100 round-trip (seasonal median)
- Airlines on the board
- United
- Itineraries
- Connections on current fares
- Best months to visit
- Dec–Mar
BOS → SGN, answered.
Is $1,055 a good price for Boston to Ho Chi Minh City?
Only slightly. The seasonal median is around $1,100 round-trip and this fare is 4% under it, about $45. We do not call a drop notable until 20%, so this is an ordinary price for the route rather than a reason to hurry.
What is the cheapest month to fly from Boston to Ho Chi Minh City?
Across 5 months of cached-fare history, Oct comes out cheapest on this route. The best months to actually be in Ho Chi Minh City are Dec–Mar — when those overlap, that's your window.
How far in advance should I book BOS → 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. What we can measure is which month is cheap: across 5 months of cached fares, Oct comes out lowest on this route. See /guides/what-moves-a-flight-price/ for what does move a fare.
Are there nonstop flights from Boston 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 Oct 4 – Oct 25 · 21 nights.
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Missed it?
Cached fares expire. This route has a feed of its own — follow it and the next BOS → SGN drop reaches you as soon as we find it.
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