Route Price Intelligence
Cheap Flights From Tri-Cities to Seattle
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$475
Deals From
$404
Usually Costs
$404 – $537
Lowest We've Seen
$289
Based on 2,951 price pointshigh confidence
Monthly Price Guide
Jan
$434
Feb
$430
Mar
—
Apr
$490
May
$518
Jun
$498
Jul
$510
Aug
$474
Sep
$441
Oct
$389
Nov
$409
Dec
$494
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 $389. The most expensive month tends to be May at around $518. For the best deals, consider flying in October, November, February.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $28963 price checksWorst: $369