HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$79+ Cheap flights from Pasco to Seattle (PSC - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pasco to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Pasco Tri Cities to Seattle/Tacoma Intl are usually found in September or April, booked 49 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Pasco to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Pasco (PSC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$112
(Trip.com)

One-way from

$79
(Delta)

Popular in

May

Cheapest in

September

Average price

$207

Good round-trip deal

$320 or less

Good one-way deal

$192 or less
From Pasco Tri Cities to Seattle/Tacoma Intl
Search Deals
One-way flight from Pasco Tri Cities to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Pasco Tri Cities to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Pasco Tri Cities to Seattle/Tacoma Intl.
Search Deals

Find flight deals from Pasco to Seattle

Cheapest flights from Pasco to Seattle
Explore the most affordable flight options available from Pasco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Trip.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:05 pmPSC - SEA
Nonstop1h 14mHawaiian Airlines
Wed 10/88:09 pmSEA - PSC
Nonstop1h 10mHawaiian Airlines
Deal found 8/16$112
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/161:05 pmPSC - SEA
Nonstop1h 16mDelta
Sat 9/203:30 pmSEA - PSC
Nonstop1h 05mDelta
Deal found 8/16$117
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:57 pmPSC - SEA
Nonstop1h 11mAlaska Airlines
Sat 9/132:31 pmSEA - PSC
Nonstop0h 58mAlaska Airlines
Deal found 8/16$147
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:52 pmPSC - SEA
Nonstop1h 08mAlaska Airlines
Tue 10/78:09 pmSEA - PSC
Nonstop1h 10mAlaska Airlines
Deal found 8/16$151
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:14 pmPSC - SEA
Nonstop1h 11mAlaska Airlines
Thu 11/274:07 pmSEA - PSC
Nonstop1h 00mAlaska Airlines
Deal found 8/16$177
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:51 pmPSC - SEA
Nonstop1h 13mAlaska Airlines
Sat 11/2911:20 pmSEA - PSC
Nonstop1h 04mAlaska Airlines
Deal found 8/17$187
This Alaska Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:49 pmPSC - SEA
Nonstop1h 06mAlaska Airlines
Mon 10/277:28 pmSEA - PSC
1 stop22h 30mAlaska Airlines
Deal found 8/16$188
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:00 pmPSC - SEA
Nonstop1h 13mDelta
Sat 9/137:45 pmSEA - PSC
Nonstop1h 10mDelta
Deal found 8/17$197
This eDestinos deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:06 pmPSC - SEA
1 stop20h 25mMultiple Airlines
Wed 10/88:09 pmSEA - PSC
Nonstop1h 10mMultiple Airlines
Deal found 8/16$198
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:51 pmPSC - SEA
Nonstop1h 13mAlaska Airlines
Sun 11/308:02 amSEA - PSC
Nonstop1h 11mAlaska Airlines
Deal found 8/17$207
This Hawaiian Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/273:49 pmPSC - SEA
Nonstop1h 06mHawaiian Airlines
Mon 10/277:50 pmSEA - PSC
Nonstop1h 01mHawaiian Airlines
Deal found 8/17$211
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/211:05 pmPSC - SEA
Nonstop1h 16mDelta
Sun 9/219:59 pmSEA - PSC
Nonstop1h 12mDelta
Deal found 8/16$217

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pasco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Pasco to Seattle that are best for you.

Fly from

Pasco

Fly to

Seattle

Route

Depart

Return

Price

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 10/1

1:05 pm-2:19 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Wed 10/8

8:09 pm-9:19 pm

Nonstop1h 10m

$112

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 9/16

1:05 pm-2:21 pm

Nonstop1h 16m

Seattle/Tacoma Intl

Sat 9/20

7:45 pm-8:55 pm

Nonstop1h 10m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 11/5

8:21 am-9:41 am

Nonstop1h 20m

Seattle/Tacoma Intl

Wed 11/12

7:50 pm-8:51 pm

Nonstop1h 01m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/12

7:57 pm-9:08 pm

Nonstop1h 11m

Seattle/Tacoma Intl

Sat 9/13

2:31 pm-3:29 pm

Nonstop0h 58m

$147

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 9/18

5:47 pm-7:00 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Sat 9/20

3:30 pm-4:35 pm

Nonstop1h 05m

$147

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 10/7

3:52 pm-5:00 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Tue 10/7

8:09 pm-9:19 pm

Nonstop1h 10m

$151

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 9/18

1:05 pm-2:19 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Mon 9/22

8:10 pm-9:15 pm

Nonstop1h 05m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 10/5

5:47 pm-7:00 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Sun 10/12

3:29 pm-4:32 pm

Nonstop1h 03m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 10/12

12:24 pm-1:39 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Sun 10/26

9:40 am-10:50 am

Nonstop1h 10m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/12

5:47 pm-7:00 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Sun 9/14

9:59 pm-11:11 pm

Nonstop1h 12m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 19 results
1
2

Best time to book a flight from Pasco to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Pasco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pasco to Seattle

How far ahead should I book a flight from Pasco to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Pasco to Seattle. Price data was last updated on August 8, 2025.

The best time to book flights from Pasco to Seattle is 49 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Pasco to Seattle?

Currently, January is the cheapest month in which you can book a flight from Pasco to Seattle (average of $238). Flying from Pasco to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PSC to SEA?

Find hourly flight availability from Pasco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 20% on flights from Pasco to Seattle by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Pasco to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Pasco to Seattle. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Pasco to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Pasco to Seattle

Explore weekly flight availability from Pasco to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2025.

The most flights from PSC to SEA are scheduled on a Sunday (39 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown Alaska Airlines and Delta from Pasco to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.0

Crew

8.5

Food

7.1

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Pasco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Pasco to Seattle?

    Booking a flight from Pasco Tri Cities (PSC) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Pasco to Seattle. On a typical day, there are 26 flights from Tri Cities to Seattle/Tacoma Intl, all of which are around 0h 59m for a nonstop flight. You can also purchase a plane ticket from 2 airlines when you book a flight from Tri Cities to Seattle.

  • How popular is this Pasco to Seattle flight route?

    This flight path from Pasco Tri Cities to Seattle/Tacoma Intl was viewed by 66 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Pasco to Seattle round-trip?

    Flying on Delta is currently your cheapest option to Seattle, with prices starting at $98. Another option worth looking into is Alaska Airlines, starting at $136 round trip. Delta is currently priced 53% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Pasco to Seattle?

    Consider Singapore Airlines (98%), Aeromexico (97%) or WestJet (95%) when booking your flight. These represent the most reliable airlines when flying from Pasco to Seattle.

  • What are the cheapest flights from Pasco to Seattle?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $117 on average our data indicates $796 when flying from Pasco to Seattle.

  • Can I find deals for flights from Pasco to Seattle that include hotel bookings?

    Yes. In addition to deals on Pasco to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pasco to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pasco to Seattle.

  • Can I find deals for business class flights from Pasco to Seattle?

    Yes. Cheapflights offers flight deals from Pasco to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pasco to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Pasco to Seattle (average of $238). Flying from Pasco to Seattle in June is currently the most expensive (average of $389). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pasco to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Spokane to Seattle flights
Seattle to Spokane flights
Portland to Seattle flights
Seattle to Portland flights
Portland to Spokane flights
Pullman to Seattle flights
Spokane to Portland flights
Seattle to Walla Walla flights
Seattle to Pasco flights
Seattle to Pullman flights
Everett to Portland flights
Bellingham to Seattle flights
Seattle to Yakima flights
Portland to Everett flights
Seattle to Bellingham flights
Pullman to Portland flights
Yakima to Seattle flights
Portland to Pullman flights
Bellingham to Spokane flights
Wenatchee to Seattle flights
Portland to Bellingham flights
Seattle to Wenatchee flights
Walla Walla to Seattle flights
Spokane to Bellingham flights
Bellingham to Portland flights
Portland to Pasco flights
Portland to Walla Walla flights
Portland to Wenatchee flights
Pasco to Portland flights
Spokane to Walla Walla flights
Spokane to Pullman flights
Pullman to Spokane flights
Spokane to Pasco flights

Top 2 airlines flying from Pasco to Seattle

Discover the top 2 airlines that operate flights from Pasco to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$167FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$219FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.