$129 Cheap Flights from Seattle (SEA) to Pasco (PSC)

You can find cheap one-way flights from $129 and cheap return flights from $187 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) with Expedia. One-way flights usually range from $100 to $903, and return flights typically cost between $173 and $914. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

April is the cheapest month to fly from Seattle (SEA) to Pasco (PSC), with average round-trip fares around $157. This price is about 22% lower than the average throughout the year, as April often sees reduced travel demand. Other economical months to fly from Seattle to Pasco include January and August.*Averages based on flights available on Expedia in the last year.

2 airlines operate nonstop service from SEA to PSC:

• Delta operates around 22 direct flights from SEA to PSC every week
• Hawaiian Airlines operates around 28 direct flights from SEA to PSC every week

American Airlines is one of the cheapest airlines offering nonstop flights from Seattle - Tacoma Intl. (SEA) to Tri-Cities (PSC), with round-trip tickets starting from around $250. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

The best time to fly from Seattle, WA (SEA) to Pasco, WA (PSC) is typically in January or April, with average return flight prices around $157. These months are often less crowded, providing a more enjoyable travel experience at a lower cost.*Prices based on flights available on Expedia in the last year.

You can fly first class between SEA and PSC. First class cabins are available on:

• United Airlines
• Delta Air Lines
• American Airlines

It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Pasco, WA (PSC-Tri-Cities) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.