Cheap flights from San Jose, California to Hanoi from $711 SJC → HAN
Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN)
The cheapest return found recently is $1,389 with Alaska Airlines, 18 Jan 2027 – 22 Jan 2027, found 2 days ago. The cheapest one-way found recently is $711 with Alaska Airlines, 16 Jun 2027, found 4 days ago.
- Cheapest one-way found recently
- $711, found 4 days ago
- Cheapest return found recently
- $1,389, 18 Jan 2027 to 22 Jan 2027
- Usual return price
- $1,161 to $1,222
- Cheapest month to fly
- November 2026, return fares from $1,154 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $1,161 to $1,222.
Cheapest return found recently
$1,389
18 Jan 2027 – 22 Jan 2027 · Alaska Airlines
Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN)
Leaves 2:40 p.m. · Return leaves 6:20 p.m. · 50 h 55 min of travel, both ways together
out 2 stops, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$1,389 18 Jan 2027 – 22 Jan 2027found 2 days agoSee prices for these dates
$1,154 16 Nov – 20 Novfound 6 days agoSee prices for these dates
What have prices looked like?
Over 38 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $1,023 to $1,314.
At $1,389, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 16 Nov to 18 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 18 Jan 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Nov – 20 Nov | $1,154 | Alaska Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 27 Nov – 25 Dec | $1,168 | Alaska Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
| 18 Jan 2027 – 22 Jan 2027 | $1,275 | Alaska Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN) | out 2 stops, back 1 stop | found 6 days ago | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $1,154.
Airlines on the cheapest dates: Alaska Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$711
16 Jun 2027 · Alaska Airlines
Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN)
Leaves 8:00 a.m. · 23 h 35 min trip
2 stops
found 4 days ago
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$711 16 Jun 2027found 4 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 20 days, 11 Oct to 11 Nov, the cheapest one-way we saw each day was $523 to $858.
20 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 16 Jun 2027 to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 16 Jun 2027 | $711 | Alaska Airlines | Norman Y. Mineta San Jose International Airport (SJC) → Noi Bai International Airport (HAN) | 2 stops | found 4 days ago | Open this trip |
Airlines on the cheapest dates: Alaska Airlines.
Premium cabin fares from San Jose to Hanoi
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 18 Jan 2027 – 22 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 16 Jun 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for San Jose to Hanoi?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 24 Sept and 11 Nov (38 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $1,079 | $1,023 | Cheapest seen | 10 |
| 14–29 days | $1,168 | $1,023 | +8% | 11 |
| 30–59 days | $1,277 | $1,157 | +18% | 26 |
| 60–89 days | $1,314 | $1,275 | +22% | 9 |
| 90–179 days | $1,130 | $1,084 | +5% | 16 |
One-way
Not enough history yet: in 20 days of one-way prices, 11 Oct to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
San Francisco → Hanoi
67 km from San Jose
$852
$537 less than flying from San Jose
18 Jan 2027 – 22 Jan 2027 · SFO → HAN · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
San Francisco → Hanoi
67 km from San Jose
$615
$96 less than flying from San Jose
16 Jun 2027 · SFO → HAN · 2 stops
found 4 days ago
Oakland → Hanoi
61 km from San Jose
$1,322
$611 more than flying from San Jose
16 Jun 2027 · OAK → HAN · 2 stops
found 4 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 18 Jan 2027 – 22 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from San Jose to Hanoi?
The cheapest return found recently is $1,389 with Alaska Airlines, 18 Jan 2027 to 22 Jan 2027, found 2 days ago. The cheapest return we hold, of any age, is $1,154 with Alaska Airlines, 16 Nov to 20 Nov, found 6 days ago. The cheapest return fare on each of 3 departure dates is usually $1,161 to $1,222.
How much is a one-way flight from San Jose to Hanoi?
The cheapest one-way found recently is $711 with Alaska Airlines, 16 Jun 2027, found 4 days ago.
What is the cheapest month to fly from San Jose to Hanoi?
November 2026 is the cheapest month for a return, from $1,154, 16 Nov to 20 Nov, found 6 days ago.
How far ahead should I book a flight from San Jose to Hanoi?
In 38 days of prices between 24 Sept and 11 Nov, return fares were cheapest 7 to 13 days before departure.
How long is the flight from San Jose to Hanoi?
The cheapest one-way found recently, with Alaska Airlines on 16 Jun 2027, takes 23 h 35 min with 2 stops.
Which airlines have the cheapest flights from San Jose to Hanoi?
Between 16 Nov and 18 Jan 2027, Alaska Airlines has the cheapest return on all 3 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work