Route Price Intelligence
Cheap Flights From St. Louis to Hanoi
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,491
Deals From
$1,337
Usually Costs
$1,337 – $1,694
Lowest We've Seen
$872
Based on 3,094 price pointshigh confidence
Monthly Price Guide
Jan
$1,816
Feb
$1,816
Mar
$2,154
Apr
$1,208
May
$1,353
Jun
$1,320
Jul
$1,471
Aug
$1,414
Sep
$1,492
Oct
$1,609
Nov
$1,541
Dec
$2,161
Cheapest Average Expensive
Best Time to Fly from St. Louis to Hanoi
The cheapest time to fly from St. Louis to Hanoi is typically April, when fares average around $1,208. The most expensive month tends to be December at around $2,161. For the best deals, consider flying in April, June, May.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $91767 price checksWorst: $1,119