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$59+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Pasco Tri Cities to Seattle/Tacoma Intl are usually found in 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 June 12, 2025.

Round-trip from

$117
(Delta)

One-way from

$59
(Alaska Airlines)

Popular in

May

Cheapest in

September

Average price

$282

Good round-trip deal

$343 or less

Good one-way deal

$160 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 ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:47 pmPSC - SEA
Nonstop1h 12mDelta
Wed 8/209:55 amSEA - PSC
Nonstop1h 09mDelta
Deal found 6/12$117
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:45 amPSC - SEA
Nonstop1h 11mAlaska Airlines
Sat 10/258:09 pmSEA - PSC
Nonstop1h 05mAlaska Airlines
Deal found 6/11$137
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/111:30 pmPSC - SEA
Nonstop1h 08mHawaiian Airlines
Sun 7/1311:30 amSEA - PSC
Nonstop1h 06mHawaiian Airlines
Deal found 6/10$189
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/49:35 amPSC - SEA
1 stop6h 50mMultiple Airlines
Thu 8/75:30 pmSEA - PSC
1 stop15h 15mMultiple Airlines
Deal found 6/11$275
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Fri 7/111:36 pmPSC - SEA
1 stop19h 12mUnited Airlines
Sun 7/205:10 amSEA - PSC
1 stop17h 38mUnited Airlines
Deal found 6/9$545

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 June 12, 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 8/19

5:47 pm-6:59 pm

Nonstop1h 12m

Seattle/Tacoma Intl

Wed 8/20

9:55 am-11:04 am

Nonstop1h 09m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/12

8:45 am-9:56 am

Nonstop1h 11m

Seattle/Tacoma Intl

Sat 10/25

8:09 pm-9:14 pm

Nonstop1h 05m

$137

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 7/11

1:30 pm-2:38 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Sun 7/13

11:30 am-12:36 pm

Nonstop1h 06m

$189

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 8/4

9:35 am-4:25 pm

1 stop6h 50m

Seattle/Tacoma Intl

Thu 8/7

5:30 pm-8:45 am

1 stop15h 15m

$275

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 7/11

1:36 pm-8:48 am

1 stop19h 12m

Seattle/Tacoma Intl

Sun 7/20

5:10 am-10:48 pm

1 stop17h 38m

$545

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 8/27

8:45 am-9:56 am

Nonstop1h 11m

$59

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 9/11

5:20 am-6:39 am

Nonstop1h 19m

$69

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 7/11

9:35 am-4:25 pm

1 stop6h 50m

$130

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 7/3

1:36 pm-8:48 am

1 stop19h 12m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 9, 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 $391). 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 June 12, 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 June 8, 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 June 12, 2025.

The most flights from PSC to SEA are scheduled on a Thursday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Pasco to Seattle to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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 18 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 79 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 Alaska Airlines and Hawaiian Airlines, with the lowest prices starting at $137 and $189, 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 $59 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $69 and United Airlines from $278 one-way.

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

    Consider Aeromexico (98%), KLM (97%) or Delta (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 $99. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $137 on average our data indicates $1,337 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 $391). 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
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$167FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$230FlexibilityNo cancel feeOn-time75%

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