Route Price Intelligence
Cheap Flights From St. Louis to Hanoi
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$1,441
Deals From
$1,314
Usually Costs
$1,314 – $1,669
Lowest We've Seen
$872
Based on 7,969 price pointshigh confidence
Monthly Price Guide
Jan
$1,586
Feb
$1,736
Mar
$1,445
Apr
$1,154
May
$1,329
Jun
$1,404
Jul
$1,490
Aug
$1,824
Sep
$1,391
Oct
$1,475
Nov
$1,418
Dec
$2,038
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 $1,154. The most expensive month tends to be December at around $2,038. For the best deals, consider flying in April, May, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $91786 price checksWorst: $1,117