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$137+ Cheap flights from Seattle to Pasco (SEA - PSC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PSC
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Delta)

Popular in

November

Cheapest in

February

Average price

$197

Good round-trip deal

$156 or less

Good one-way deal

$118 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Pasco Tri Cities flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Pasco Tri Cities flights.
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From Seattle/Tacoma Intl to Pasco Tri Cities
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 25, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 3/24. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/218:00 pmSEA - PSC
Nonstop0h 58mHawaiian Airlines
Wed 4/238:21 amPSC - SEA
Nonstop1h 01mHawaiian Airlines
Deal found 3/24$147
This Delta deal was found by Cheapflights users on 3/24. 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 4/2510:55 pmSEA - PSC
Nonstop1h 04mDelta
Sun 4/275:45 pmPSC - SEA
Nonstop1h 14mDelta
Deal found 3/24$157
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 4/78:10 pmSEA - PSC
Nonstop0h 58mAlaska Airlines
Mon 4/141:36 pmPSC - SEA
Nonstop0h 58mAlaska Airlines
Deal found 3/24$247
This Mytrip deal was found by Cheapflights users on 3/24. 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 4/2112:30 pmSEA - PSC
1 stop8h 13mMultiple Airlines
Wed 4/2310:10 amPSC - SEA
2 stops25h 25mMultiple Airlines
Deal found 3/24$331
This American Airlines deal was found by Cheapflights users on 3/24. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/411:59 amSEA - PSC
Nonstop0h 57mAmerican Airlines
Mon 4/76:13 amPSC - SEA
Nonstop1h 02mAmerican Airlines
Deal found 3/24$487
This United Airlines deal was found by Cheapflights users on 3/24. 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 4/255:14 amSEA - PSC
1 stop15h 34mUnited Airlines
Sun 4/275:15 amPSC - SEA
1 stop17h 45mUnited Airlines
Deal found 3/24$579

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 March 25, 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

Mon 4/21

8:00 pm-8:58 pm

Nonstop0h 58m

Pasco Tri Cities

Wed 4/23

8:21 am-9:22 am

Nonstop1h 01m

$147

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 4/25

9:40 am-10:50 am

Nonstop1h 10m

Pasco Tri Cities

Mon 4/28

5:00 am-6:18 am

Nonstop1h 18m

$157

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Mon 4/7

8:10 pm-9:08 pm

Nonstop0h 58m

Pasco Tri Cities

Mon 4/14

1:36 pm-2:34 pm

Nonstop0h 58m

$247

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Mon 4/21

12:30 pm-8:43 pm

1 stop8h 13m

Pasco Tri Cities

Wed 4/23

10:10 am-11:35 am

2 stops25h 25m

$331

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 4/4

11:59 am-12:56 pm

Nonstop0h 57m

Pasco Tri Cities

Mon 4/7

6:13 am-7:15 am

Nonstop1h 02m

$487

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 4/25

5:14 am-8:48 pm

1 stop15h 34m

Pasco Tri Cities

Sun 4/27

5:15 am-11:00 pm

1 stop17h 45m

$579

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 4/3

9:40 am-10:50 am

Nonstop1h 10m

$199

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 3/27

11:07 pm-11:59 pm

Nonstop0h 52m

$239

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Tue 4/1

9:48 am-9:30 am

2 stops23h 42m

$295

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 4/4

8:10 pm-9:08 pm

Nonstop0h 58m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 11 results
1
2

Compare providers for flights from Seattle to Pasco

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 Seattle to Pasco in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 Seattle-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Pasco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Pasco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Pasco 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 Seattle-Pasco 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 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 June is currently the most expensive (average of $537). 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 March 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Seattle to Pasco in the morning. If you’re flexible enough to do this you can expect to save up to 27% 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 March 16, 2025.

Travelers seeking maximum savings on their Seattle to Pasco flight should consider departing on Thursday mornings when fares are most often at their lowest. Tuesday afternoons 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 March 25, 2025.

The most flights from SEA to PSC are scheduled on a Tuesday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 March 25, 2025.
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

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
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

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
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

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
2,330 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

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 18 flights from Seattle/Tacoma Intl to Tri Cities, all of which are around 0h 56m for a nonstop flight. You can also purchase a plane ticket from 2 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), Hawaiian Airlines ($147), and Alaska Airlines ($247) 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 $199 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $239 and Hawaiian Airlines from $319 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 (91%), KLM (90%) and Horizon Air (84%).

  • What are the cheapest flights from Seattle to Pasco?

    Looking at all options, your cheapest flight can be booked for $97. While the most popular route (Seattle/Tacoma Intl - Pasco Tri Cities) can be booked for $137 on average our data indicates $197 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 June is currently the most expensive (average of $537). 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
Kennewick
Richland

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Alternative routes for Seattle to Pasco

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Top 2 airlines flying from Seattle to Pasco

Discover the top 2 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$107Average$177FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$217FlexibilityNo cancel feeOn-time75%
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