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Cheap flights from Pasco to Seattle from $124

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pasco to Seattle departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pasco to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:30 pm - 1:45 pm
PSC
-
SEA
1h 15mnonstop
Delta Logo
10:35 am - 11:50 am
SEA
-
PSC
1h 15mnonstop
$207Delta
Tue, Sep 8 - Sat, Sep 12
Alaska Airlines Logo
8:04 am - 9:08 am
PSC
-
SEA
1h 04mnonstop
Alaska Airlines Logo
8:00 pm - 9:01 pm
SEA
-
PSC
1h 01mnonstop
$217Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
5:17 pm - 6:32 pm
PSC
-
SEA
1h 15mnonstop
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
$222Alaska Airlines
Fri, Sep 4 - Sat, Sep 19
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
$227Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
$237Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
12:30 pm - 3:23 pm
SEA
-
PSC
2h 53m
1 stop
$247Alaska Airlines
Sat, Sep 26 - Wed, Sep 30
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
3:35 pm - 4:40 pm
SEA
-
PSC
1h 05mnonstop
$257Alaska Airlines
Fri, Aug 28 - Thu, Sep 3
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
9:06 am - 10:19 am
SEA
-
PSC
1h 13mnonstop
$262Alaska Airlines
Fri, Sep 11 - Tue, Sep 29
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
8:00 pm - 9:01 pm
SEA
-
PSC
1h 01mnonstop
$271Alaska Airlines
Sun, Sep 6 - Sun, Sep 6
Alaska Airlines Logo
5:20 am - 8:24 am
PSC
-
SEA
3h 04m
1 stop
Alaska Airlines Logo
8:00 pm - 9:01 pm
SEA
-
PSC
1h 01mnonstop
$272Alaska Airlines
Wed, Aug 26 - Thu, Aug 27

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Alaska Airlines flights from Pasco to Seattle

Our best Alaska Airlines deals on Pasco to Seattle flight tickets
Alaska Airlines
Sep 26
PSC8:04 amPasco Tri Cities
1h 04m
SEA9:08 amSeattle/Tacoma Intl
Sep 30
SEA8:00 pmSeattle/Tacoma Intl
1h 01m
PSC9:01 pmPasco Tri Cities
$217
Alaska Airlines
Sep 4
PSC5:17 pmPasco Tri Cities
1h 15m
SEA6:32 pmSeattle/Tacoma Intl
Sep 19
SEA12:15 pmSeattle/Tacoma Intl
1h 12m
PSC1:27 pmPasco Tri Cities
$222
Alaska Airlines
Sep 26
PSC4:00 pmPasco Tri Cities
2h 51m
1 stop
SEA6:51 pmSeattle/Tacoma Intl
Sep 30
SEA12:15 pmSeattle/Tacoma Intl
1h 12m
PSC1:27 pmPasco Tri Cities
$227

Delta flights from Pasco to Seattle

Our best Delta deals on Pasco to Seattle flight tickets
Delta
Sep 8
PSC12:30 pmPasco Tri Cities
1h 15m
SEA1:45 pmSeattle/Tacoma Intl
Sep 12
SEA10:35 amSeattle/Tacoma Intl
1h 15m
PSC11:50 amPasco Tri Cities
$207
Delta
Aug 26
PSC12:30 pmPasco Tri Cities
1h 20m
SEA1:50 pmSeattle/Tacoma Intl
Aug 27
SEA10:35 amSeattle/Tacoma Intl
1h 10m
PSC11:45 amPasco Tri Cities
$282
Delta
Jul 24
PSC12:32 pmPasco Tri Cities
1h 18m
SEA1:50 pmSeattle/Tacoma Intl
Jul 26
SEA10:35 amSeattle/Tacoma Intl
1h 08m
PSC11:43 amPasco Tri Cities
$347

momondo 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, momondo users made 832,500 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Pasco to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 9/8

12:30 pm-1:45 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 9/12

10:35 am-11:50 am

Nonstop1h 15m

$207
Quickest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 9/26

8:04 am-9:08 am

Nonstop1h 04m

Seattle/Tacoma Intl

Wed 9/30

8:00 pm-9:01 pm

Nonstop1h 01m

$217

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/4

5:17 pm-6:32 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 9/19

12:15 pm-1:27 pm

Nonstop1h 12m

$222

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 9/26

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Wed 9/30

12:15 pm-1:27 pm

Nonstop1h 12m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 9/26

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Wed 9/30

12:15 pm-1:27 pm

Nonstop1h 12m

$237

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 9/26

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Wed 9/30

12:30 pm-3:23 pm

1 stop2h 53m

$247

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 8/28

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Thu 9/3

3:35 pm-4:40 pm

Nonstop1h 05m

$257

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/11

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Tue 9/29

9:06 am-10:19 am

Nonstop1h 13m

$262

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 9/6

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Sun 9/6

8:00 pm-9:01 pm

Nonstop1h 01m

$271

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 8/26

5:20 am-8:24 am

1 stop3h 04m

Seattle/Tacoma Intl

Thu 8/27

8:00 pm-9:01 pm

Nonstop1h 01m

$272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Pasco to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Pasco and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Pasco to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $177. If you don’t want to visit Seattle in January, then you should wait until April to fly from Pasco, when ticket prices are also cheap, with an average price of $179.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Pasco is on a Friday. momondo users have found tickets for Friday departures for as low as $494. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Pasco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $560.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Pasco at noon is the least expensive time of day to depart. momondo users have found prices as low as $442 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $556. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Pasco Tri Cities to Seattle/Tacoma Intl flight route?

Fly from Pasco Tri Cities to Seattle/Tacoma Intl for the best Pasco Tri Cities - Seattle/Tacoma Intl flight prices

What cabin class options are available on Pasco to Seattle flights?

There are 4 cabin classes available to choose from on Pasco to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Pasco to Seattle flight prices changed over time?

As of June 2026, prices for Pasco to Seattle flights are approximately 103% more expensive when compared to flights at the same time last year.

When to book flights from Pasco to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Pasco to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Pasco to Seattle (PSC to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pasco to Seattle

Best Price Found

$217

Fastest flight time

1h 04m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pasco in the past 72 hours is $217. The best round-trip flight deal from Pasco to Seattle found on momondo in the last 72 hours is $436.
The fastest flight from Pasco to Seattle takes 1h 04m
Direct flights go from Pasco to Seattle every day.
There is 1 airport in Seattle. From Pasco there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

Frequently asked questions about flying from Pasco to Seattle

  • How far is Pasco Tri Cities to Seattle/Tacoma Intl by plane?

    There are 179.8 mi between Pasco Tri Cities and Seattle/Tacoma Intl. 1h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Pasco Tri Cities Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Pasco Tri Cities Airport to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Pasco Tri Cities Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Pasco Tri Cities Airport to Seattle/Tacoma Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Pasco Tri Cities Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Pasco to Seattle?

  • What is the most popular airline from Pasco to Seattle?

Best airlines flying from Pasco to Seattle

Compare and see reviews for airlines that fly from Pasco to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $92Free CancellationRating
7.8
8,455 reviews
Search Delta flights
Alaska AirlinesPriceFrom $107Free CancellationRating
7.9
12,583 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Pasco to Seattle

    Alaska Airlines is one of the most popular airlines flying from Pasco to Seattle, operating 23 flights/week on average for this route. A good Alaska Airlines flight deal for Pasco to Seattle starts from $107 round-trip, up to an average price of $252. Our users have rated Alaska Airlines at 7.9/10.

  • Delta Flights From Pasco to Seattle

    The best Delta deal for Pasco to Seattle flight tickets found on momondo in the last 72 hours was $92, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $198 round-trip. Delta operates 13 flights out of Pasco into Seattle in an average week, so prices vary by time and availability. 8,455 Delta reviews by users on momondo have scored the airline at 7.8/10.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Redmond
Kent
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Centralia
Kirkland
Shoreline
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Pasco to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Pasco to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Pasco to Seattle with flexible booking policies on momondo?

Yes. All flights to Seattle from Pasco on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Pasco to Seattle?

Once all potential Pasco to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Pasco to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Pasco to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.

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