£55 Cheap Flights from Pasco (PSC) to Seattle (SEA)

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

Prices were available within the past 7 days and start at £55 for one-way flights and £110 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Alaska Airlines
Alaska Airlines
Alaska Airlines
Delta
Delta
Alaska Airlines
Alaska Airlines
Delta
Alaska Airlines
Flight from Pasco to Seattle route information
Origin airport
Tri-Cities
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines
Return price
£109
Distance
274 km

Compare flights from Pasco to Seattle easily and book in confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Pasco to Seattle. Operating between them 22 flights per day, 20 airlines cover the route. And American Airlines, KLM, Qatar Airways, JAL, Alaska Airlines, Delta Air Lines, Korean Air, Aeromexico, WestJet, Virgin Atlantic, Singapore Airlines, British Airways fly direct, getting you to Seattle - Tacoma Intl. in just 0hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Tri-Cities to Seattle - Tacoma Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Tri-Cities (PSC) to Seattle - Tacoma Intl. (SEA) 

The easiest way to view the best deals on flights from Pasco to Seattle today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Tri-Cities to Seattle - Tacoma Intl. start at just £110 and range up to £158.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Pasco and Seattle
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Pasco to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Tri-Cities to Seattle - Tacoma Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from PSC to Seattle - Tacoma Intl. Airport (SEA)?
If you’re planning on travelling from PSC to Seattle - Tacoma Intl. Airport (SEA), round-trip journeys start from £110. This figure is based on airfares advertised within the last 7 days on Expedia for flights departing within the next year, so don’t wait around. Book now and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Tri-Cities Airport to Sea-Tac Airport?
We get that things come up unexpectedly, so we’ve made it as hassle-free as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from PSC to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for PSC to Seattle - Tacoma Intl. Airport (SEA) flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from PSC to Sea-Tac Airport?
Forget about a movie marathon on this flight — it’s just 280 kilometres from Pasco to SeaTac. Find your seat, buckle up and you’ll be touching down in next to no time.
Which airlines fly direct from Tri-Cities Airport to SEA?
A popular airline that flies from Tri-Cities Airport (PSC) to SEA is Alaska Airlines (AS). It offers 147 flights a month. Delta Air Lines (DL) is also worth a look. It offers 91 flights every month. Between these two airlines, you’ll be able to find a good deal from Pasco to SeaTac.
Are Tri-Cities Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from PSC to SEA can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you’d rather start your trip planning early on, Expedia compares flight deals up to 12 months in advance. Just bear in mind that not all airlines issue their prices that far in advance. Our advice? Check back often as updates are made frequently.
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