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
$1,338
Usually Costs
$1,338 – $1,706
Lowest We've Seen
$872
Based on 3,961 price pointshigh confidence
Monthly Price Guide
Jan
$1,814
Feb
$1,763
Mar
$2,159
Apr
$1,231
May
$1,353
Jun
$1,329
Jul
$1,468
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 $1,231. 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: $91770 price checksWorst: $1,119