Route Price Intelligence
Cheap Flights From Tri-Cities to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$492
Deals From
$369
Usually Costs
$369 – $560
Lowest We've Seen
$289
Based on 7,555 price pointshigh confidence
Monthly Price Guide
Jan
$374
Feb
$370
Mar
$462
Apr
$395
May
$472
Jun
$556
Jul
$469
Aug
$385
Sep
$339
Oct
$339
Nov
$359
Dec
$510
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 $339. The most expensive month tends to be June at around $556. For the best deals, consider flying in October, September, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $28978 price checksWorst: $349