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$69+ Cheap flights from Seattle to Pasco (SEA - PSC)

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PSC
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
1 adult, Economy
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Cheap flight deals from Seattle to Pasco

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Pasco (PSC). 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 16, 2025.

Round-trip from

$137
(Delta)

One-way from

$69
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$197

Good round-trip deal

$197 or less

Good one-way deal

$98 or less
From Seattle/Tacoma Intl to Pasco Tri Cities
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One-way flight from Seattle/Tacoma Intl to Pasco Tri Cities
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Highest demand for flights based on searches. 17% potential increase in price ($43 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($9 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 Seattle/Tacoma Intl to Pasco Tri Cities.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Pasco Tri Cities.
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Find flight deals from Seattle to Pasco

Cheapest flights from Seattle to Pasco
Explore the most affordable flight options available from Seattle to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 16, 2025.

This Delta deal was found by Cheapflights users on 6/15. 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 8/159:55 amSEA - PSC
Nonstop1h 09mDelta
Mon 8/185:47 pmPSC - SEA
Nonstop1h 12mDelta
Deal found 6/15$137
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 7/169:44 amSEA - PSC
Nonstop1h 05mAlaska Airlines
Wed 7/161:30 pmPSC - SEA
Nonstop1h 08mAlaska Airlines
Deal found 6/16$191
This Kiwi.com deal was found by Cheapflights users on 6/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/59:44 amSEA - PSC
Nonstop1h 05mHawaiian Airlines
Sun 7/66:00 amPSC - SEA
Nonstop1h 06mHawaiian Airlines
Deal found 6/14$193
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:30 pmSEA - PSC
1 stop15h 15mMultiple Airlines
Sun 7/136:00 amPSC - SEA
Nonstop1h 06mMultiple Airlines
Deal found 6/15$256
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/55:10 amSEA - PSC
1 stop17h 38mUnited Airlines
Sun 7/66:38 amPSC - SEA
1 stop18h 21mUnited Airlines
Deal found 6/14$580

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle to Pasco 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 16, 2025.
Use the filters below to find and compare flights from Seattle to Pasco that are best for you.

Fly from

Seattle

Fly to

Pasco

Route

Depart

Return

Price

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 8/15

9:55 am-11:04 am

Nonstop1h 09m

Pasco Tri Cities

Mon 8/18

5:47 pm-6:59 pm

Nonstop1h 12m

$137

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Wed 7/16

9:44 am-10:49 am

Nonstop1h 05m

Pasco Tri Cities

Wed 7/16

1:30 pm-2:38 pm

Nonstop1h 08m

$191

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 7/5

9:44 am-10:49 am

Nonstop1h 05m

Pasco Tri Cities

Sun 7/6

6:00 am-7:06 am

Nonstop1h 06m

$193

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 7/10

5:30 pm-8:45 am

1 stop15h 15m

Pasco Tri Cities

Sun 7/13

6:00 am-7:06 am

Nonstop1h 06m

$256

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 7/5

5:10 am-10:48 pm

1 stop17h 38m

Pasco Tri Cities

Sun 7/6

6:38 am-12:59 am

1 stop18h 21m

$580

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Mon 9/1

8:10 pm-9:15 pm

Nonstop1h 05m

$69

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 7/26

9:44 am-10:49 am

Nonstop1h 05m

$98

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Mon 6/30

9:45 am-10:57 am

Nonstop1h 12m

$139

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sun 8/10

5:30 pm-8:45 am

1 stop15h 15m

$179

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 6/21

5:35 pm-11:35 am

1 stop18h 00m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Best time to book a flight from Seattle to Pasco

Have a flexible travel schedule? Discover the best time to fly to Pasco from Seattle 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 Seattle to Pasco

What is the cheapest month to book a flight from Seattle to Pasco?

Currently, January is the cheapest month in which you can book a flight from Seattle to Pasco (average of $349). Flying from Seattle to Pasco in July is currently the most expensive (average of $482). 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 SEA to PSC?

Find hourly flight availability from Seattle to Pasco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Pasco in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Seattle to Pasco?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Pasco. Price data was last updated on June 15, 2025.

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

Weekly flight availability from Seattle to Pasco

Explore weekly flight availability from Seattle to Pasco. 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 16, 2025.

The most flights from SEA to PSC are scheduled on a Wednesday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Rainfall in Pasco by month

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

In terms of precipitation, rainfall in Pasco ranges from 0.3 - 1.2 inches per month. January is typically the wettest month, when rainfall can reach 1.2 in. July is typically the driest time to visit Pasco when rainfall is around 0.3 in.

Temperature in Pasco by month

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

If weather is an important factor for your trip to Pasco, 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 73.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Pasco

Get insights into the airlines that provide service to Pasco. 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 Pasco. Reviews last updated June 16, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Seattle to Pasco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,500 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Pasco. 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 Seattle to Pasco?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Pasco Tri Cities (PSC) is your only option if you wish to fly from Seattle to Pasco. On a typical day, there are 30 flights from Seattle/Tacoma Intl to Tri Cities, all of which are around 0h 58m for a nonstop flight. You can also purchase a plane ticket from 3 airlines when you book a flight from Seattle/Tacoma Intl to Pasco.

  • How popular is this Seattle to Pasco flight route?

    Flights from Seattle/Tacoma Intl to Pasco Tri Cities have been viewed 5 times in the past calendar month.

  • What are the cheapest airlines flying from Seattle to Pasco round-trip?

    According to our current data, Delta ($137), Alaska Airlines ($191), and Hawaiian Airlines ($193) offers the cheapest pricing from Seattle to Pasco. Delta is 33% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $69 on Alaska Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $98 and Delta from $139 one-way.

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

    The top 3 most reliable airlines when flying from Seattle to Pasco are Air France (94%), Delta (89%) and Virgin Atlantic (85%).

  • What are the cheapest flights from Seattle to Pasco?

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (Seattle/Tacoma Intl - Pasco Tri Cities) can be booked for $137 on average our data indicates $182 when flying from Seattle to Pasco.

  • Can I find deals for flights from Seattle to Pasco that include hotel bookings?

    Yes. In addition to deals on Seattle to Pasco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Pasco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Pasco.

  • Can I find deals for business class flights from Seattle to Pasco?

    Yes. Cheapflights offers flight deals from Seattle to Pasco 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 Seattle to Pasco?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Pasco (average of $349). Flying from Seattle to Pasco in July is currently the most expensive (average of $482). 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?

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Top 3 airlines flying from Seattle to Pasco

Discover the top 3 airlines that operate flights from Seattle to Pasco. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$97Average$177FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$108Average$231FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$109Average$217FlexibilityNo cancel feeOn-time85%

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