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$69+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 32 days in advance, depart on a Thursday or Tuesday and return on a Saturday

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 November 13, 2025.

This Delta deal was found by Cheapflights users on 11/11. 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
Mon 12/89:35 amSEA - PSC
Nonstop1h 14mDelta
Deal found 11/11$99
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sat 12/206:00 amPSC - SEA
Nonstop1h 20mAlaska Airlines
Wed 1/78:00 amSEA - PSC
Nonstop1h 03mAlaska Airlines
Deal found 11/13$118
This Cheapflightsfares deal was found by Cheapflights users on 11/12. 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.
Tue 12/2310:26 amPSC - SEA
Nonstop1h 29mAlaska Airlines
Fri 12/268:23 amSEA - PSC
Nonstop1h 09mAlaska Airlines
Deal found 11/12$119
This Delta deal was found by Cheapflights users on 11/11. 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 12/35:44 pmPSC - SEA
Nonstop1h 16mDelta
Tue 12/99:35 amSEA - PSC
Nonstop1h 14mDelta
Deal found 11/11$138
This Delta deal was found by Cheapflights users on 11/13. 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.
Mon 12/85:44 pmPSC - SEA
Nonstop1h 16mDelta
Tue 12/99:35 amSEA - PSC
Nonstop1h 14mDelta
Deal found 11/13$139
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 12/196:00 amPSC - SEA
Nonstop1h 20mAlaska Airlines
Wed 1/77:53 pmSEA - PSC
Nonstop1h 04mAlaska Airlines
Deal found 11/13$148
This Cheapflightsfares deal was found by Cheapflights users on 11/11. 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.
Thu 12/256:00 amPSC - SEA
Nonstop1h 20mAlaska Airlines
Sun 12/2811:15 pmSEA - PSC
Nonstop1h 02mAlaska Airlines
Deal found 11/11$157
This Cheapflightsfares deal was found by Cheapflights users on 11/10. 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.
Mon 12/86:12 pmPSC - SEA
Nonstop1h 17mAlaska Airlines
Mon 12/157:50 pmSEA - PSC
Nonstop1h 03mAlaska Airlines
Deal found 11/10$165
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/168:23 amPSC - SEA
Nonstop1h 15mAlaska Airlines
Sat 12/208:23 amSEA - PSC
Nonstop1h 09mAlaska Airlines
Deal found 11/10$167
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/52:39 pmPSC - SEA
Nonstop1h 06mAlaska Airlines
Sun 12/77:50 pmSEA - PSC
Nonstop1h 03mAlaska Airlines
Deal found 11/12$168
This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/296:00 amPSC - SEA
Nonstop1h 20mAlaska Airlines
Sun 1/411:15 pmSEA - PSC
Nonstop1h 02mAlaska Airlines
Deal found 11/12$178

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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$99
(Delta)

One-way from

$69
(Cheapflightsfares)

Popular in

May

Cheapest in

April

Average price

$277

Good round-trip deal

$339 or less

Good one-way deal

$170 or less
Provider with most accurate pricing for Pasco Tri Cities-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pasco Tri Cities-Seattle/Tacoma Intl flights.
Search Deals
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. 17% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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

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 November 13, 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

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

$99

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 12/20

6:00 am-7:20 am

Nonstop1h 20m

Seattle/Tacoma Intl

Wed 1/7

11:21 pm-12:20 am

Nonstop0h 59m

$118

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 12/12

5:44 pm-7:00 pm

Nonstop1h 16m

Seattle/Tacoma Intl

Mon 12/15

9:35 am-10:49 am

Nonstop1h 14m

$139

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 12/16

1:00 pm-2:14 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Wed 12/17

9:50 pm-10:59 pm

Nonstop1h 09m

$139

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 12/17

1:00 pm-2:14 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Wed 12/17

9:50 pm-10:59 pm

Nonstop1h 09m

$139

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 12/27

10:26 am-11:55 am

Nonstop1h 29m

Seattle/Tacoma Intl

Sat 1/10

11:35 am-12:37 pm

Nonstop1h 02m

$148

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 12/8

6:12 pm-7:29 pm

Nonstop1h 17m

Seattle/Tacoma Intl

Mon 12/15

7:50 pm-8:53 pm

Nonstop1h 03m

$148

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 12/19

6:00 am-7:20 am

Nonstop1h 20m

Seattle/Tacoma Intl

Wed 1/7

11:21 pm-12:20 am

Nonstop0h 59m

$148

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 12/25

6:00 am-7:20 am

Nonstop1h 20m

Seattle/Tacoma Intl

Sun 12/28

8:23 am-9:32 am

Nonstop1h 09m

$158

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 1/5

1:00 pm-2:15 pm

Nonstop1h 15m

$70

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 16 results
1
2

Compare providers for flights from Pasco to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pasco to Seattle in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Pasco-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pasco-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pasco-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pasco-Seattle flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Pasco-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 November 7, 2025.

The best time to book flights from Pasco to Seattle is 32 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, September is the cheapest month in which you can book a flight from Pasco to Seattle (average of $97). Flying from Pasco to Seattle in May is currently the most expensive (average of $166). 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 November 13, 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 November 2, 2025.

Travelers seeking maximum savings on their Pasco to Seattle flight should consider departing on Saturday evenings 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.

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 November 13, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines 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
11,281 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

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
11,281 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

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
7.9
Good
8,007 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,809 reviews
Alaska Airlines
8.0
Very good
11,281 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

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 24 flights from Tri Cities to Seattle/Tacoma Intl, all of which are around 1h 12m for a nonstop flight. You can also purchase a plane ticket from 3 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 58 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 16m. Delta provides one of the quickest options available for as low as $99. Pasco and Seattle are separated by a distance of 171 mi. Most flights are nonstop.

  • 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 $97. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $98 and $135, respectively. Delta is currently priced 57% below the average price you’ll pay for this route.

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

    Consider Air France (100%), Virgin Atlantic (98%) or Delta (97%) 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 $138 on average, our data indicates $881 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, September is the cheapest month in which you can book a flight from Pasco to Seattle (average of $97). Flying from Pasco to Seattle in May is currently the most expensive (average of $166). 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
Tacoma
Tukwila
Lakewood
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Cle Elum
Marysville
Puyallup
Federal Way
Fife
Issaquah
Aberdeen

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Top 3 airlines flying from Pasco to Seattle

Discover the top 3 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$97Average$167FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$98Average$197FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$135Average$234FlexibilityNo cancel feeOn-time75%

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