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C$191 Cheap Flights from Pasco (PSC) to Seattle (SEAA)

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Flight deals from Pasco to Seattle

Looking for a cheap last-minute deal or the best return flight from Pasco Airport to Seattle? If you want to travel next month, return fares start from C$439. Find the lowest prices on one-way and return tickets right here.
Seattle.C$191 per passenger.Departing Fri., Aug. 28.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Pasco on Fri., Aug. 28, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$191, select.
Seattle.C$198 per passenger.Departing Tue., Sep. 29.One-way flight with Delta.Outbound direct flight with Delta departs from Pasco on Tue., Sep. 29, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$198, select.
Seattle.C$204 per passenger.Departing Wed., Jun. 3.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Pasco on Wed., Jun. 3, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$204, select.
Seattle.C$213 per passenger.Departing Fri., Aug. 28.One-way flight with Delta.Outbound direct flight with Delta departs from Pasco on Fri., Aug. 28, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$213, select.
Seattle.C$249 per passenger.Departing Thu., Jul. 16.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Pasco on Thu., Jul. 16, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$249, select.
Seattle.C$257 per passenger.Departing Mon., Jul. 20.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Pasco on Mon., Jul. 20, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$257, select.
Seattle.C$258 per passenger.Departing Sat., Dec. 12.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Pasco on Sat., Dec. 12, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$258, select.
Seattle.C$423 per passenger.Departing Sun., May 31.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Pasco on Sun., May 31, arriving in Seattle / Tacoma International.Price includes taxes and charges.From C$423, select.

Find the cheapest month to fly from Pasco to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Pasco to Seattle flights are currently cheapest in August.
May
from C$423
Jun.
from C$204
Jul.
from C$249
Aug.
from C$191
Sep.
from C$198
Oct.
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Nov.
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Dec.
from C$258
Jan.
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Feb.
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Mar.
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Apr.
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Which airlines fly from Pasco to Seattle?

Alternative Pasco to Seattle routes

Looking for the cheapest, fastest or easiest route from Pasco to Seattle? You could fly into the following airports instead.

Seattle Lake Union SPB

2km from central Seattle
Closest
from C$577
Search flights

Seattle Boeing Fld

11km from central Seattle
from C$615
Search flights

Seattle / Tacoma International

20km from central Seattle
Cheapest
from C$191
Search flights

Paine Field

33km from central Seattle
from C$436
Search flights

Pasco to Seattle: Flight information

The things to know before you go.
Cheapest flight foundC$191
Cheapest month to flyAugust
Average flight time1 hr, 12 mins
Most popular airlineAlaska Airlines
Average flights per week279

Finding cheap flights from Pasco to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Pasco to Seattle is C$291. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 12 minutes is the average flight time from Pasco to Seattle.
Alaska Airlines, Qatar Airways and Horizon Air fly direct from Pasco to Seattle.
As of May 2026, there are 279 flights per week flying from Pasco to Seattle.
The cheapest month to fly from Pasco to Seattle is usually October.
If you're flying from Pasco Airport, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from C$291.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pasco Airport to Seattle on Tuesday, October 20, 2026.
Yes – the average flight time is 1 hour and 12 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 12°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
Currently, Alaska Airlines offers the cheapest flight tickets to Seattle.

Travelling from Tri-Cities Airport (PSC) to Seattle: what you need to know

  • Jump on a direct flight from Tri-Cities Airport to Seattle and you'll be travelling for an average of 1 hour 1 minute.

  • Pasco (the location of Tri-Cities Airport) and Seattle share the same timezone — UTC-7.

  • To ensure you get on your flight from PSC to Seattle, allow plenty of time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • If you're going away during a peak month like October, get to the terminal even earlier. You'll want to arrive up to four hours before an international flight and two hours ahead of domestic departures. Security lines will be longer during vacation periods like spring break and summer.

  • You can book a nonstop flight from Tri-Cities Airport to Seattle. Begin your journey at PSC and land at Seattle-Tacoma International Airport (SEA).

  • Book your ticket with Alaska Airlines. This popular carrier offers direct flights from Tri-Cities Airport to Seattle.

  • When flying domestically within United States, you don't need a visa or even a passport. However, you'll have to present another kind of identification, such as an ID card or driver's licence. Once you've booked flight tickets from Tri-Cities Airport to Seattle, make sure your ID is up to date.

  • Located around 5 kilometres from central Pasco, PSC can be reached in approximately 9 minutes by car, depending on traffic. The same journey on public transport will take roughly 36 minutes.

  • Searching for a handy hotel near PSC? If you're boarding an early flight from Tri-Cities Airport to Seattle, these accommodation options will have you moments from your check-in counter:

How to find the cheapest flights from Tri-Cities Airport (PSC) to Seattle

  • C$191 is the lowest price for a one-way ticket from Tri-Cities Airport to Seattle. A return flight starts from C$291. These fares may change depending on availability and demand.

  • Don't wait until the last moment. You're more likely to get cheap tickets from PSC to Seattle if you book in advance. Airlines often have some great early bird deals.

  • Finding cheap tickets from Tri-Cities Airport to Seattle is easier if you're flexible with your dates. Check out the 'Whole month' tool to see the lowest fares across every month and snap up a great deal.

  • Log into your online account or use the app to create a Price Alert. You'll be notified right away if there's a better deal on this route. It's simple to do, and it'll save you the hassle of looking for cheap tickets from PSC to Seattle every day.

  • Use the filters to tailor your flights from Tri-Cities Airport to Seattle. Enter your ideal departure and arrival times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

  • Seattle-Tacoma International Airport (SEA) to the centre of Seattle is around 18 minutes by car. It's approximately 23 kilometres away.

  • It typically takes 54 minutes if you're travelling by public transport.

  • If you have a late flight from Tri-Cities Airport to Seattle, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting not long after at one of these hotels near SEA:

Lake Union Sea Plane Base Airport (LKE)

Best time to go to Seattle

  • July is the most popular month for flights from Tri-Cities Airport to Seattle. To avoid the crowds, visit Seattle in May when it's quieter.

  • Lock in your flight from Tri-Cities Airport to Seattle for August to visit the city during its warmest month. You can expect temperatures to range from 12ºC to 28ºC.

  • If you want cooler conditions, search for a cheap flight from PSC to Seattle in February when temperatures average between -1ºC and 11ºC.

More about Seattle

  • Once you've booked your flight from Tri-Cities Airport to Seattle, think about where you want to stay in this city. Make one of these accommodation options your base for exploring Seattle:

  • There are so many things to explore in this city it can be difficult to know where to begin. Gas Works - Lake View Point, Queen Anne Bowl Playfield and LMN Architects are highlights which should feature on every Seattle itinerary.

Complete your Seattle trip with a car rental

  • Choose one of our car rentals in Seattle and explore the city on your own terms. Easily compare options in one place to find the perfect ride once you've booked your hotel and cheap flights from Tri-Cities Airport to Seattle.

Plan the rest of your trip from Pasco to Seattle

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.