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$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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 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 July 3, 2025.

Round-trip from

$117
(Delta)

One-way from

$89
(Alaska Airlines)

Popular in

May

Cheapest in

September

Average price

$236

Good round-trip deal

$341 or less

Good one-way deal

$187 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. 25% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Delta deal was found by Cheapflights users on 7/2. 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 9/165:20 amPSC - SEA
Nonstop1h 18mDelta
Sat 9/207:45 pmSEA - PSC
Nonstop1h 10mDelta
Deal found 7/2$117
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Fri 8/1511:29 amPSC - SEA
Nonstop1h 13mHawaiian Airlines
Fri 8/228:10 pmSEA - PSC
Nonstop1h 05mHawaiian Airlines
Deal found 7/1$132
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
Thu 8/141:30 pmPSC - SEA
Nonstop1h 08mAlaska Airlines
Wed 8/2011:20 amSEA - PSC
Nonstop1h 08mAlaska Airlines
Deal found 7/2$137
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/189:35 amPSC - SEA
1 stop6h 50mMultiple Airlines
Sun 7/205:30 pmSEA - PSC
1 stop15h 15mMultiple Airlines
Deal found 7/1$446
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:32 amPSC - SEA
1 stop9h 52mUnited Airlines
Sun 11/27:00 amSEA - PSC
1 stop16h 07mUnited Airlines
Deal found 7/3$485

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 July 3, 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 9/16

5:20 am-6:38 am

Nonstop1h 18m

Seattle/Tacoma Intl

Sat 9/20

7:45 pm-8:55 pm

Nonstop1h 10m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 8/15

11:29 am-12:42 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Fri 8/22

8:10 pm-9:15 pm

Nonstop1h 05m

$132

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 8/14

1:30 pm-2:38 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Wed 8/20

11:20 am-12:28 pm

Nonstop1h 08m

$137

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 7/18

9:35 am-4:25 pm

1 stop6h 50m

Seattle/Tacoma Intl

Sun 7/20

5:30 pm-8:45 am

1 stop15h 15m

$446

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 10/25

6:32 am-4:24 pm

1 stop9h 52m

Seattle/Tacoma Intl

Sun 11/2

7:00 am-11:07 pm

1 stop16h 07m

$485

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 10/4

8:44 am-9:57 am

Nonstop1h 13m

$79

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 8/1

9:35 am-4:25 pm

1 stop6h 50m

$136

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 8/7

6:00 am-7:06 am

Nonstop1h 06m

$169

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 7/13

5:48 pm-7:00 pm

Nonstop1h 12m

$229

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 8/7

12:45 pm-10:59 pm

1 stop10h 14m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 June 27, 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 July is currently the most expensive (average of $390). 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 July 3, 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 June 29, 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. Sunday 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 July 3, 2025.

The most flights from PSC to SEA are scheduled on a Thursday (36 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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 July 3, 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
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 11m 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.

  • 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 $117. Additional round-trip tickets that might be worth considering are offered by Hawaiian Airlines and Alaska Airlines, with the lowest prices starting at $132 and $137, respectively. Delta is currently priced 48% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Pasco to Seattle one-way?

    One-way options have recently been found by users for as low as $89 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $169 and Delta from $229 one-way.

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

    Consider Singapore Airlines (100%), WestJet (97%) 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 $119. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $112 on average our data indicates $668 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 July is currently the most expensive (average of $390). 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 Pasco?

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

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$167FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$225FlexibilityNo cancel feeOn-time75%

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