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Cheap flights from Pasco to Seattle from $79

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 10/25. 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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Cheap round-trip flights

Hawaiian Airlines Logo
8:21 am - 9:41 amPSC-SEA
1h 20mnonstop
Hawaiian Airlines Logo
7:50 pm - 8:51 pmSEA-PSC
1h 01mnonstop
$109Hawaiian Airlines
Find Deal
Wed, Oct 29 - Wed, Nov 5
Delta Logo
5:45 pm - 6:59 pmPSC-SEA
1h 14mnonstop
Delta Logo
9:40 am - 10:50 amSEA-PSC
1h 10mnonstop
$117Delta
Find Deal
Tue, Oct 14 - Tue, Oct 21
Alaska Airlines Logo
6:36 pm - 4:31 pmPSC-SEA
21h 55m1 stop
Alaska Airlines Logo
7:50 pm - 8:53 pmSEA-PSC
1h 03mnonstop
$147Alaska Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 3
Alaska Airlines Logo
7:24 pm - 8:46 pmPSC-SEA
1h 22mnonstop
Alaska Airlines Logo
8:09 pm - 9:19 pmSEA-PSC
1h 10mnonstop
$172Alaska Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
Delta Logo
5:45 pm - 6:59 pmPSC-SEA
1h 14mnonstop
Delta Logo
9:40 am - 10:50 amSEA-PSC
1h 10mnonstop
$177Delta
Find Deal
Fri, Oct 10 - Mon, Oct 13
Delta Logo
1:00 pm - 2:15 pmPSC-SEA
1h 15mnonstop
Delta Logo
9:45 pm - 10:55 pmSEA-PSC
1h 10mnonstop
$187Delta
Find Deal
Tue, Oct 21 - Thu, Oct 23
Multiple Airlines Logo
3:52 pm - 5:00 pmPSC-SEA
1h 08mnonstop
Multiple Airlines Logo
11:10 pm - 6:16 pmSEA-PSC
19h 06m2 stops
$329Multiple Airlines
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Tue, Oct 14 - Tue, Oct 21
Multiple Airlines Logo
8:49 am - 10:02 amPSC-SEA
1h 13mnonstop
Multiple Airlines Logo
11:10 pm - 10:40 pmSEA-PSC
23h 30m3 stops
$376Multiple Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
United Airlines Logo
6:25 am - 11:15 pmPSC-SEA
16h 50m1 stop
United Airlines Logo
5:20 pm - 11:41 amSEA-PSC
18h 21m1 stop
$475United Airlines
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Wed, Oct 29 - Wed, Nov 5
United Airlines Logo
3:18 pm - 3:44 pmPSC-SEA
24h 26m1 stop
United Airlines Logo
9:25 am - 9:10 pmSEA-PSC
11h 45m1 stop
$495United Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 1

United Airlines flights from Pasco to Seattle

Our best United Airlines deals on Pasco to Seattle flight tickets
United Airlines
Oct 29
PSC6:25 amPasco Tri Cities
16h 50m
1 stop
SEA11:15 pmSeattle/Tacoma Intl
Nov 5
SEA5:20 pmSeattle/Tacoma Intl
18h 21m
1 stop
PSC11:41 amPasco Tri Cities
$475
Find similar
United Airlines
Jan 30
PSC3:18 pmPasco Tri Cities
24h 26m
1 stop
SEA3:44 pmSeattle/Tacoma Intl
Feb 1
SEA9:25 amSeattle/Tacoma Intl
11h 45m
1 stop
PSC9:10 pmPasco Tri Cities
$495
Find similar
United Airlines
Oct 4
PSC1:33 pmPasco Tri Cities
22h 29m
1 stop
SEA12:02 pmSeattle/Tacoma Intl
Oct 8
SEA7:00 amSeattle/Tacoma Intl
16h 15m
1 stop
PSC11:15 pmPasco Tri Cities
$505
Find similar

Alaska Airlines flights from Pasco to Seattle

Our best Alaska Airlines deals on Pasco to Seattle flight tickets
Alaska Airlines
Dec 2
PSC6:36 pmPasco Tri Cities
21h 55m
1 stop
SEA4:31 pmSeattle/Tacoma Intl
Dec 3
SEA7:50 pmSeattle/Tacoma Intl
1h 03m
PSC8:53 pmPasco Tri Cities
$147
Find similar
Alaska Airlines
Oct 17
PSC7:24 pmPasco Tri Cities
1h 22m
SEA8:46 pmSeattle/Tacoma Intl
Oct 19
SEA8:09 pmSeattle/Tacoma Intl
1h 10m
PSC9:19 pmPasco Tri Cities
$172
Find similar
Alaska Airlines
Dec 29
PSC6:00 amPasco Tri Cities
1h 20m
SEA7:20 amSeattle/Tacoma Intl
Jan 4
SEA8:23 amSeattle/Tacoma Intl
1h 09m
PSC9:32 amPasco Tri Cities
$197
Find similar

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 September 16, 2025.
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

Wed 10/29

8:21 am-9:41 am

Nonstop1h 20m

Seattle/Tacoma Intl

Wed 11/5

7:50 pm-8:51 pm

Nonstop1h 01m

$109

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 10/14

5:45 pm-6:59 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Tue 10/21

9:40 am-10:50 am

Nonstop1h 10m

$117

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 12/2

6:36 pm-4:31 pm

1 stop21h 55m

Seattle/Tacoma Intl

Wed 12/3

7:50 pm-8:53 pm

Nonstop1h 03m

$147

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 10/17

7:24 pm-8:46 pm

Nonstop1h 22m

Seattle/Tacoma Intl

Sun 10/19

8:09 pm-9:19 pm

Nonstop1h 10m

$172

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 10/10

5:45 pm-6:59 pm

Nonstop1h 14m

Seattle/Tacoma Intl

Mon 10/13

9:40 am-10:50 am

Nonstop1h 10m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 10/21

1:00 pm-2:15 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Thu 10/23

9:45 pm-10:55 pm

Nonstop1h 10m

$187

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 10/14

3:52 pm-5:00 pm

Nonstop1h 08m

Seattle/Tacoma Intl

Tue 10/21

11:10 pm-6:16 pm

2 stops19h 06m

$329

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 10/14

8:49 am-10:02 am

Nonstop1h 13m

Seattle/Tacoma Intl

Tue 10/21

11:10 pm-10:40 pm

3 stops23h 30m

$376

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 10/29

6:25 am-11:15 pm

1 stop16h 50m

Seattle/Tacoma Intl

Wed 11/5

5:20 pm-11:41 am

1 stop18h 21m

$475

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 1/30

3:18 pm-3:44 pm

1 stop24h 26m

Seattle/Tacoma Intl

Sun 2/1

9:25 am-9:10 pm

1 stop11h 45m

$495

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, April 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 $157. If you don’t want to visit Seattle in April, then you should wait until February 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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $484. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday 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 $547.

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 $437 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the morning, with an average ticket price of $538. 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 $214 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 $150 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 September 2025, prices for Pasco to Seattle flights are approximately 49% 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

$172

Fastest flight time

1h 06m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pasco in the past 72 hours is $172. The best round-trip flight deal from Pasco to Seattle found on momondo in the last 72 hours is $328.
The fastest flight from Pasco to Seattle takes 1h 06m
Direct flights go from Pasco to Seattle every day.
There is 1 airport near Seattle: 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 03m 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 $98Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Alaska AirlinesPriceFrom $136Free CancellationRating
8.0
10,000 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 22 flights/week on average for this route. A good Alaska Airlines flight deal for Pasco to Seattle starts from $136 round-trip, up to an average price of $228. 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 $98, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $173 round-trip. Delta operates 12 flights out of Pasco into Seattle in an average week, so prices vary by time and availability. 7,957 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
Leavenworth
Tacoma
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Kirkland
Tukwila
Shoreline
Lakewood
Centralia
Fife
Cle Elum
Redmond
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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