Route Price Intelligence
Cheap Flights From Tri-Cities to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$478
Deals From
$389
Usually Costs
$389 – $545
Lowest We've Seen
$289
Based on 6,834 price pointshigh confidence
Monthly Price Guide
Jan
$369
Feb
$463
Mar
$569
Apr
$474
May
$509
Jun
$542
Jul
$545
Aug
$459
Sep
$431
Oct
$369
Nov
$389
Dec
$488
Cheapest Average Expensive
Best Time to Fly from Tri-Cities to Seattle
The cheapest time to fly from Tri-Cities to Seattle is typically October, when fares average around $369. The most expensive month tends to be March at around $569. For the best deals, consider flying in October, January, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $28981 price checksWorst: $369