Cheap Flights from Hanoi to St Louis
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The latest fare from Hanoi to St Louis: $1383 round trip, Nov 9 – Nov 15, seen Nov 4. Prices by month are below.
Across 4 months of observations from Hanoi to St Louis, the lowest round-trip economy fare we recorded was $1153, in September. The typical economy fare was $1326. September was the cheapest month we saw and July the dearest.
The most recent economy price we saw on this route was $1383 on Alaska, China Airlines, and Korean Air, seen Nov 4.
See every deal from Hanoi, to St Louis, or the return direction St Louis to Hanoi.
Latest economy price we saw: Hanoi to St Louis
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Hanoi (HAN) to St Louis (STL) | $1383 | 8.5¢ | Nov 9 – Nov 15 | Alaska, China Airlines, and Korean Air | Nov 4 | Check price |
Economy price history: Hanoi to St Louis
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $1383 | $1383 | 1 |
| Sep 2026 | $1153 | $1153 | 1 |
| Aug 2026 | $1169 | $1259 | 4 |
| Jul 2026 | $1509 | $1509 | 1 |
Frequently asked questions
How many flight deals from Hanoi to St Louis are on Sparkflights right now?
There are 0 deals from Hanoi to St Louis on the board right now.
What is the lowest price ever seen from Hanoi to St Louis?
The lowest economy fare we've recorded from Hanoi to St Louis is $1153, based on 7 price observations over 4 months.
How much does a flight from Hanoi to St Louis cost?
The typical round-trip economy fare we observed from Hanoi to St Louis is $1326, against a recorded low of $1153. These are observations, not quotes.
When is the cheapest month to fly Hanoi to St Louis?
For economy fares from Hanoi to St Louis, September was the cheapest month we observed and July the dearest, over 4 months of data.
What is the current price from Hanoi to St Louis?
The most recent economy fare we saw from Hanoi to St Louis is $1383, on Nov 4.