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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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PSC — SEA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Pasco Tri Cities to Seattle/Tacoma Intl are usually found in May or September, booked 49 days in advance, depart on a Wednesday or Friday 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Alaska Airlines)

One-way from

$59
(Delta)

Popular in

January

Cheapest in

May

Average price

$197

Good round-trip deal

$344 or less

Good one-way deal

$162 or less
Provider with most accurate pricing for Pasco Tri Cities-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Pasco Tri Cities-Seattle/Tacoma Intl flights.
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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. 6% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1012:53 pmPSC - SEA
Nonstop1h 00mAlaska Airlines
Wed 6/119:40 amSEA - PSC
Nonstop1h 06mAlaska Airlines
Deal found 4/14$117
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:20 amPSC - SEA
Nonstop1h 05mHawaiian Airlines
Mon 5/267:50 pmSEA - PSC
Nonstop1h 00mHawaiian Airlines
Deal found 4/14$122
This Delta deal was found by Cheapflights users on 4/15. 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.
Sat 5/105:49 pmPSC - SEA
Nonstop1h 11mDelta
Tue 5/133:25 pmSEA - PSC
Nonstop1h 04mDelta
Deal found 4/15$127
This Mytrip deal was found by Cheapflights users on 4/15. 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.
Fri 5/169:51 amPSC - SEA
1 stop28h 34mMultiple Airlines
Sun 5/186:00 amSEA - PSC
1 stop27h 01mMultiple Airlines
Deal found 4/15$340
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:33 pmPSC - SEA
1 stop11h 21mUnited Airlines
Sat 10/118:42 amSEA - PSC
1 stop14h 26mUnited Airlines
Deal found 4/14$505
This American Airlines deal was found by Cheapflights users on 4/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:13 amPSC - SEA
Nonstop1h 02mAmerican Airlines
Tue 4/224:15 pmSEA - PSC
Nonstop1h 01mAmerican Airlines
Deal found 4/14$507

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 15, 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 6/10

12:53 pm-1:53 pm

Nonstop1h 00m

Seattle/Tacoma Intl

Wed 6/11

9:40 am-10:46 am

Nonstop1h 06m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 5/21

8:20 am-9:25 am

Nonstop1h 05m

Seattle/Tacoma Intl

Mon 5/26

7:50 pm-8:50 pm

Nonstop1h 00m

$122

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 5/16

5:49 pm-7:00 pm

Nonstop1h 11m

Seattle/Tacoma Intl

Sun 5/18

3:25 pm-4:29 pm

Nonstop1h 04m

$137

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 5/16

9:51 am-2:25 pm

1 stop28h 34m

Seattle/Tacoma Intl

Sun 5/18

6:00 am-9:01 am

1 stop27h 01m

$340

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/26

1:33 pm-12:54 am

1 stop11h 21m

Seattle/Tacoma Intl

Sat 10/11

8:42 am-11:08 pm

1 stop14h 26m

$505

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 5/13

5:00 am-6:12 am

Nonstop1h 12m

$59

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 5/12

7:26 pm-8:31 pm

Nonstop1h 05m

$69

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 5/5

9:33 pm-12:56 am

1 stop27h 23m

$89

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 5/5

5:56 pm-7:02 pm

Nonstop1h 06m

$139

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 7/12

1:36 pm-8:48 am

1 stop19h 12m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 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 eDreams the most. eDreams 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

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 April 11, 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 $411). 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 15, 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 March 30, 2025.

Travelers seeking maximum savings on their Pasco to Seattle flight should consider departing on Thursday evenings 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 April 15, 2025.

The most flights from PSC to SEA are scheduled on a Tuesday (29 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (19 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 April 15, 2025.
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

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
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

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
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

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
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

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
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

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 23 flights from Tri Cities to Seattle/Tacoma Intl, all of which are around 1h 00m 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 67 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 Alaska Airlines 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 Delta, with the lowest prices starting at $122 and $137, respectively. Alaska Airlines is currently priced 41% 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 Delta. Other airlines that offer cheap prices include Alaska Airlines from $69 and Hawaiian Airlines from $139 one-way.

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

    Consider Singapore Airlines (100%), Aeromexico (98%) or KLM (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 $94. While the most popular route (Pasco Tri Cities - Seattle/Tacoma Intl) can be booked for $119 on average our data indicates $683 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 $411). 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
Renton
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Olympia
Shoreline
Cle Elum
Centralia
Aberdeen
Kent
Lynnwood
Shelton
Silverdale
Redmond
Issaquah

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Alternative routes for Pasco to Seattle

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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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$98Average$167FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$226FlexibilityNo cancel feeOn-time75%

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