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$129+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap 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 April 25, 2026.

This Delta deal was found by Cheapflights users on 4/20. 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 5/165:30 pm
PSC
-
SEA
Nonstop1h 14m
Delta
Wed 5/2010:35 am
SEA
-
PSC
Nonstop1h 11m
Delta
Deal found 4/20$217
This Delta deal was found by Cheapflights users on 4/20. 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 5/186:20 am
PSC
-
SEA
Nonstop1h 20m
Delta
Sat 5/233:10 pm
SEA
-
PSC
Nonstop1h 06m
Delta
Deal found 4/20$227
This Delta deal was found by Cheapflights users on 4/20. 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 5/2212:29 pm
PSC
-
SEA
Nonstop1h 16m
Delta
Mon 5/2510:50 pm
SEA
-
PSC
Nonstop1h 06m
Delta
Deal found 4/20$237
This Delta deal was found by Cheapflights users on 4/20. 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 6/312:29 pm
PSC
-
SEA
Nonstop1h 14m
Delta
Fri 6/1910:50 pm
SEA
-
PSC
Nonstop1h 09m
Delta
Deal found 4/20$247
This Expedia deal was found by Cheapflights users on 4/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/58:00 am
PSC
-
SEA
Nonstop1h 06m
Alaska Airlines
Fri 6/124:28 pm
SEA
-
PSC
Nonstop0h 59m
Alaska Airlines
Deal found 4/23$257
This Delta deal was found by Cheapflights users on 4/20. 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 5/175:30 pm
PSC
-
SEA
Nonstop1h 14m
Delta
Wed 5/203:10 pm
SEA
-
PSC
Nonstop1h 06m
Delta
Deal found 4/20$267
This Delta deal was found by Cheapflights users on 4/20. 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.
Thu 6/183:25 pm
PSC
-
SEA
Nonstop1h 15m
Delta
Fri 7/171:40 pm
SEA
-
PSC
Nonstop1h 16m
Delta
Deal found 4/20$277
This Alaska Airlines deal was found by Cheapflights users on 4/22. 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 6/67:00 am
PSC
-
SEA
1 stop15h 44m
Alaska Airlines
Sun 6/710:01 am
SEA
-
PSC
Nonstop1h 03m
Alaska Airlines
Deal found 4/22$280
This Alaska Airlines deal was found by Cheapflights users on 4/21. 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 5/307:00 am
PSC
-
SEA
1 stop15h 44m
Alaska Airlines
Wed 6/311:15 pm
SEA
-
PSC
Nonstop0h 59m
Alaska Airlines
Deal found 4/21$290
This Delta deal was found by Cheapflights users on 4/21. 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 5/96:20 am
PSC
-
SEA
Nonstop1h 20m
Delta
Tue 5/121:35 pm
SEA
-
PSC
Nonstop1h 15m
Delta
Deal found 4/21$292
This Lucky2Go deal was found by Cheapflights users on 4/20. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:00 am
PSC
-
SEA
Nonstop1h 06m
Alaska Airlines
Sun 5/1710:01 am
SEA
-
PSC
Nonstop1h 03m
Alaska Airlines
Deal found 4/20$294
This Delta deal was found by Cheapflights users on 4/21. 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 6/157:40 pm
PSC
-
SEA
Nonstop1h 10m
Delta
Wed 8/1210:45 am
SEA
-
PSC
Nonstop1h 12m
Delta
Deal found 4/21$297

Find 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 April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Delta)

One-way from

$129
(Delta)

Popular in

May

Cheapest in

January

Average price

$222

Good round-trip deal

$433 or less

Good one-way deal

$209 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. 25% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 April 25, 2026.
Use the filters below to find and compare flights from Pasco to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 5/23

6:20 am-7:40 am

Nonstop1h 20m

Seattle/Tacoma Intl

Sat 5/30

10:35 am-11:46 am

Nonstop1h 11m

$217

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 5/16

5:30 pm-6:44 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Wed 5/20

10:35 am-11:46 am

Nonstop1h 11m

$217
Quickest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 6/6

1:53 pm-2:57 pm

Nonstop1h 04m

Seattle/Tacoma Intl

Sun 6/7

10:01 am-11:04 am

Nonstop1h 03m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 5/18

6:20 am-7:40 am

Nonstop1h 20m

Seattle/Tacoma Intl

Sat 5/23

3:10 pm-4:16 pm

Nonstop1h 06m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 6/18

7:40 pm-8:50 pm

Nonstop1h 10m

Seattle/Tacoma Intl

Fri 7/17

10:35 am-11:45 am

Nonstop1h 10m

$277

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 9/15

6:30 am-7:42 am

Nonstop1h 12m

Seattle/Tacoma Intl

Sat 10/3

10:45 am-11:57 am

Nonstop1h 12m

$277

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 5/30

7:00 am-10:44 pm

1 stop15h 44m

Seattle/Tacoma Intl

Sun 5/31

11:15 pm-12:14 am

Nonstop0h 59m

$280

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 6/19

10:33 am-11:38 am

Nonstop1h 05m

Seattle/Tacoma Intl

Wed 8/12

10:14 am-3:22 pm

1 stop5h 08m

$317

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 8/25

4:00 pm-11:10 pm

2 stops7h 10m

Seattle/Tacoma Intl

Thu 8/27

6:48 pm-10:48 pm

1 stop4h 00m

$333
Cheapest one-way

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 5/19

3:30 pm-4:43 pm

Nonstop1h 13m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 19 resultsSorted by cheapest first
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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pasco-Seattle flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $177). Flying from Pasco to Seattle in May is currently the most expensive (average of $417). 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 April 25, 2026.

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 April 18, 2026.

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

How much does it cost to fly round-trip from Pasco to Seattle?

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 April 25, 2026.
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
7.9
Good
12,282 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,282 reviews
Alaska Airlines
7.9
Good
12,282 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,452 reviews
Alaska Airlines
7.9
Good
12,282 reviews

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 19 flights from Tri Cities to Seattle/Tacoma Intl, all of which are around 1h 07m 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 71 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 04m. Delta provides one of the quickest options available for as low as $227. 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 $92. Another option worth looking into is Alaska Airlines, starting at $108 round trip. Delta is currently priced 60% below the average price you’ll pay for this route.

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

    Consider Air France (98%), Korean Air (97%) or American Airlines (96%) 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 $143. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $237 on average, our data indicates $799 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 $177). Flying from Pasco to Seattle in May is currently the most expensive (average of $417). 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
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Kent
Tumwater
Tukwila
Puyallup
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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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 April 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$92Average$186FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$108Average$235FlexibilityNo cancel feeOn-time75%

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