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Cheap flights from Pasco to Seattle from $109

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 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Pasco to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:35 pm - 6:52 pm
PSC
-
SEA
1h 17mnonstop
Delta Logo
9:35 am - 10:41 am
SEA
-
PSC
1h 06mnonstop
$177Delta
Sat, Feb 21 - Wed, Feb 25
Delta Logo
5:45 pm - 7:00 pm
PSC
-
SEA
1h 15mnonstop
Delta Logo
9:35 am - 10:41 am
SEA
-
PSC
1h 06mnonstop
$187Delta
Fri, Feb 27 - Sat, Feb 28
Delta Logo
5:45 pm - 7:00 pm
PSC
-
SEA
1h 15mnonstop
Delta Logo
3:15 pm - 4:16 pm
SEA
-
PSC
1h 01mnonstop
$197Delta
Fri, Feb 20 - Sun, Feb 22
Alaska Airlines Logo
5:12 am - 6:28 am
PSC
-
SEA
1h 16mnonstop
Alaska Airlines Logo
10:56 pm - 11:59 pm
SEA
-
PSC
1h 03mnonstop
$207Alaska Airlines
Sat, Feb 28 - Mon, Mar 2
Delta Logo
5:45 pm - 6:57 pm
PSC
-
SEA
1h 12mnonstop
Delta Logo
10:49 am - 12:01 pm
SEA
-
PSC
1h 12mnonstop
$217Delta
Wed, Jun 3 - Fri, Jun 19
Hawaiian Airlines Logo
7:04 pm - 8:10 pm
PSC
-
SEA
1h 06mnonstop
Hawaiian Airlines Logo
10:56 pm - 11:59 pm
SEA
-
PSC
1h 03mnonstop
$223Hawaiian Airlines
Mon, Feb 23 - Mon, Feb 23
Delta Logo
5:45 pm - 7:00 pm
PSC
-
SEA
1h 15mnonstop
Delta Logo
9:35 am - 10:41 am
SEA
-
PSC
1h 06mnonstop
$227Delta
Tue, Mar 3 - Fri, Mar 6
Alaska Airlines Logo
8:25 am - 9:40 am
PSC
-
SEA
1h 15mnonstop
Alaska Airlines Logo
10:56 am - 5:35 pm
SEA
-
PSC
6h 39m
1 stop
$230Alaska Airlines
Wed, Feb 18 - Sat, Feb 21
Delta Logo
1:00 pm - 2:13 pm
PSC
-
SEA
1h 13mnonstop
Delta Logo
9:35 am - 10:41 am
SEA
-
PSC
1h 06mnonstop
$237Delta
Sun, Mar 1 - Mon, Mar 2
Alaska Airlines Logo
7:04 pm - 8:10 pm
PSC
-
SEA
1h 06mnonstop
Alaska Airlines Logo
10:56 am - 5:35 pm
SEA
-
PSC
6h 39m
1 stop
$240Alaska Airlines
Fri, Feb 27 - Sat, Feb 28

Alaska Airlines flights from Pasco to Seattle

Our best Alaska Airlines deals on Pasco to Seattle flight tickets
Alaska Airlines
Feb 28
PSC5:12 amPasco Tri Cities
1h 16m
SEA6:28 amSeattle/Tacoma Intl
Mar 2
SEA10:56 pmSeattle/Tacoma Intl
1h 03m
PSC11:59 pmPasco Tri Cities
$207
Alaska Airlines
Feb 18
PSC8:25 amPasco Tri Cities
1h 15m
SEA9:40 amSeattle/Tacoma Intl
Feb 21
SEA10:56 amSeattle/Tacoma Intl
6h 39m
1 stop
PSC5:35 pmPasco Tri Cities
$230
Alaska Airlines
Feb 27
PSC8:25 amPasco Tri Cities
1h 15m
SEA9:40 amSeattle/Tacoma Intl
Feb 27
SEA7:24 pmSeattle/Tacoma Intl
22h 11m
1 stop
PSC5:35 pmPasco Tri Cities
$240

Delta flights from Pasco to Seattle

Our best Delta deals on Pasco to Seattle flight tickets
Delta
Feb 21
PSC5:35 pmPasco Tri Cities
1h 17m
SEA6:52 pmSeattle/Tacoma Intl
Feb 25
SEA9:35 amSeattle/Tacoma Intl
1h 06m
PSC10:41 amPasco Tri Cities
$177
Delta
Feb 27
PSC5:45 pmPasco Tri Cities
1h 15m
SEA7:00 pmSeattle/Tacoma Intl
Feb 28
SEA9:35 amSeattle/Tacoma Intl
1h 06m
PSC10:41 amPasco Tri Cities
$187
Delta
Feb 20
PSC5:45 pmPasco Tri Cities
1h 15m
SEA7:00 pmSeattle/Tacoma Intl
Feb 22
SEA3:15 pmSeattle/Tacoma Intl
1h 01m
PSC4:16 pmPasco Tri Cities
$197

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 January 29, 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

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 2/21

5:35 pm-6:52 pm

Nonstop1h 17m

Seattle/Tacoma Intl

Wed 2/25

9:35 am-10:41 am

Nonstop1h 06m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 2/27

5:45 pm-7:00 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 2/28

9:35 am-10:41 am

Nonstop1h 06m

$187

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 2/20

5:45 pm-7:00 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Sun 2/22

3:15 pm-4:16 pm

Nonstop1h 01m

$197

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 2/28

5:12 am-6:28 am

Nonstop1h 16m

Seattle/Tacoma Intl

Mon 3/2

10:56 pm-11:59 pm

Nonstop1h 03m

$207

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 6/3

5:45 pm-6:57 pm

Nonstop1h 12m

Seattle/Tacoma Intl

Fri 6/19

10:49 am-12:01 pm

Nonstop1h 12m

$217

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 2/23

7:04 pm-8:10 pm

Nonstop1h 06m

Seattle/Tacoma Intl

Mon 2/23

10:56 pm-11:59 pm

Nonstop1h 03m

$223

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 3/3

5:45 pm-7:00 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Fri 3/6

9:35 am-10:41 am

Nonstop1h 06m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 2/18

8:25 am-9:40 am

Nonstop1h 15m

Seattle/Tacoma Intl

Sat 2/21

10:56 am-5:35 pm

1 stop6h 39m

$230

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sun 3/1

1:00 pm-2:13 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Mon 3/2

9:35 am-10:41 am

Nonstop1h 06m

$237

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 2/27

7:04 pm-8:10 pm

Nonstop1h 06m

Seattle/Tacoma Intl

Sat 2/28

10:56 am-5:35 pm

1 stop6h 39m

$240

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 cheapest month to fly to Seattle?

In general, March 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 March, then you should wait until April to fly from Pasco, when ticket prices are also cheap, with an average price of $177.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $451. 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 $534.

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

Flying to Seattle from Pasco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $415 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $521. 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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Pasco when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $229 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Pasco for as low as $119 on momondo.

What cabin class options are available on Pasco Tri Cities to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Pasco Tri Cities to Seattle/Tacoma Intl 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 January 2026, prices for Pasco to Seattle flights are approximately 90% 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

$184

Fastest flight time

1h 07m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pasco in the past 72 hours is $184. The best round-trip flight deal from Pasco to Seattle found on momondo in the last 72 hours is $308.
The fastest flight from Pasco to Seattle takes 1h 07m
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

  • 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 07m 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
7.9
8,127 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $98Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $108Free CancellationRating
8.0
11,808 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 19 flights/week on average for this route. A good Alaska Airlines flight deal for Pasco to Seattle starts from $108 round-trip, up to an average price of $227. Our users have rated Alaska Airlines at 8.0/10.

  • 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 $158 round-trip. Delta operates 21 flights out of Pasco into Seattle in an average week, so prices vary by time and availability. 8,127 Delta reviews by users on momondo have scored the airline at 7.9/10.

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
Kent
Marysville
Puyallup
Redmond
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Tumwater

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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