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$60+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Pasco Tri Cities to Seattle/Tacoma Intl are usually found in April or February, booked 49 days in advance, depart on a Tuesday or Thursday 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 September 17, 2025.

Round-trip from

$91
(Delta)

One-way from

$60
(Delta)

Popular in

May

Cheapest in

April

Average price

$177

Good round-trip deal

$328 or less

Good one-way deal

$172 or less
From Pasco Tri Cities to Seattle/Tacoma Intl
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One-way flight from Pasco Tri Cities to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 21% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Pasco Tri Cities to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Pasco Tri Cities to Seattle/Tacoma Intl.
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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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 10/146:10 amPSC - SEA
Nonstop1h 20mDelta
Tue 10/219:40 amSEA - PSC
Nonstop1h 10mDelta
Deal found 9/16$91
This Delta deal was found by Cheapflights users on 9/16. 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.
Sat 12/205:30 pmPSC - SEA
Nonstop1h 18mDelta
Sat 1/39:59 pmSEA - PSC
Nonstop1h 10mDelta
Deal found 9/16$137
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 12/26:36 pmPSC - SEA
1 stop21h 55mAlaska Airlines
Wed 12/37:50 pmSEA - PSC
Nonstop1h 03mAlaska Airlines
Deal found 9/14$147
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 12/55:44 pmPSC - SEA
Nonstop1h 16mDelta
Sun 12/79:35 amSEA - PSC
Nonstop1h 14mDelta
Deal found 9/16$165
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:24 pmPSC - SEA
Nonstop1h 22mAlaska Airlines
Sun 10/198:09 pmSEA - PSC
Nonstop1h 10mAlaska Airlines
Deal found 9/15$172
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/105:45 pmPSC - SEA
Nonstop1h 14mDelta
Mon 10/139:40 amSEA - PSC
Nonstop1h 10mDelta
Deal found 9/15$177
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 12/2910:26 amPSC - SEA
Nonstop1h 29mAlaska Airlines
Sun 1/48:23 amSEA - PSC
Nonstop1h 09mAlaska Airlines
Deal found 9/15$197
This Delta deal was found by Cheapflights users on 9/16. 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.
Wed 10/15:47 pmPSC - SEA
Nonstop1h 13mDelta
Wed 10/89:40 amSEA - PSC
Nonstop1h 10mDelta
Deal found 9/16$207
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 10/271:36 pmPSC - SEA
Nonstop1h 15mHawaiian Airlines
Mon 10/277:50 pmSEA - PSC
Nonstop1h 01mHawaiian Airlines
Deal found 9/15$211
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/143:52 pmPSC - SEA
Nonstop1h 08mAlaska Airlines
Tue 10/212:40 pmSEA - PSC
1 stop8h 00mAlaska Airlines
Deal found 9/16$230
This Delta deal was found by Cheapflights users on 9/15. 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.
Fri 10/31:05 pmPSC - SEA
Nonstop1h 16mDelta
Mon 10/69:40 amSEA - PSC
Nonstop1h 10mDelta
Deal found 9/15$237

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 September 17, 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

Tue 10/14

5:45 pm-6:59 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Tue 10/21

9:40 am-10:50 am

Nonstop1h 10m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 12/20

5:30 pm-6:48 pm

Nonstop1h 18m

Seattle/Tacoma Intl

Sat 1/3

9:59 pm-11:09 pm

Nonstop1h 10m

$137

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 12/2

6:36 pm-4:31 pm

1 stop21h 55m

Seattle/Tacoma Intl

Wed 12/3

7:50 pm-8:53 pm

Nonstop1h 03m

$147

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 12/5

5:44 pm-7:00 pm

Nonstop1h 16m

Seattle/Tacoma Intl

Sun 12/7

9:35 am-10:49 am

Nonstop1h 14m

$165

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 10/17

7:24 pm-8:46 pm

Nonstop1h 22m

Seattle/Tacoma Intl

Sun 10/19

8:09 pm-9:19 pm

Nonstop1h 10m

$172

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 10/19

3:52 pm-5:00 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Thu 11/6

7:50 pm-8:51 pm

Nonstop1h 01m

$172

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 1/30

6:00 pm-6:59 pm

Nonstop0h 59m

Seattle/Tacoma Intl

Sun 2/1

4:00 pm-4:55 pm

Nonstop0h 55m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 10/10

5:45 pm-6:59 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Mon 10/13

9:40 am-10:50 am

Nonstop1h 10m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 12/29

6:00 am-7:20 am

Nonstop1h 20m

Seattle/Tacoma Intl

Sun 1/4

8:23 am-9:32 am

Nonstop1h 09m

$197

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 10/1

5:47 pm-7:00 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Wed 10/8

9:40 am-10:50 am

Nonstop1h 10m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 22 results
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2
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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 September 12, 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 $387). 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 September 17, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 19% 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 September 14, 2025.

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

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 September 17, 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

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

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

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

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
7,961 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Entertainment

7.1

Food

7.1

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 27 flights from Tri Cities to Seattle/Tacoma Intl, all of which are around 1h 03m 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 69 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Pasco to Seattle?

    A quick flight from Pasco to Seattle can take about 1h 14m. Delta provides one of the quickest options available for as low as $117. Pasco and Seattle are separated by a distance of 171 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 54% 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 (95%) or Delta (94%) 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 $99. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $91 on average, our data indicates $798 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 $387). 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
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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Alternative routes for Pasco to Seattle

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$173FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$228FlexibilityNo cancel feeOn-time75%

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