$50 Cheap Flights to Tri-Cities, WA

Choose from 83 US destinations offering direct flights to Tri-Cities. While booking on Expedia, check the "Direct flights only" box to find nonstop options. Fly to Tri-Cities from any of these top cities:

• Portland
• Anchorage
• Phoenix
• Los Angeles
• Spokane

Book your trip early to increase your chances of finding cheap flights to Tri-Cities. Also, consider traveling during off-season months like December and January. If you fly on a Thursday, you'll save an average of 16% compared to those departing on a Sunday.* Save time searching every day and create a price alert on the Expedia app. We'll let you know when fares drop.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Secure the departure dates you want and a fare that works with your budget by booking your domestic flight to Tri-Cities up to 28 days in advance. Search for tickets between two and four months ahead if you're visiting Tri-Cities from an international destination.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

You'll save an average of 8% if you purchase tickets on a Sunday instead of Fridays, which tend to be the most expensive day to book.* When it comes to scoring a cheap flight to Tri-Cities, it's all about having good timing.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Tri-Cities is connected to 8 airports worldwide through 5 carriers, with Tri-Cities Airport (PSC) as its primary entry point. Pick from these leading airlines to Tri-Cities when organizing your journey:

• Alaska Airlines
• Delta Air Lines
• United Airlines
• American Airlines