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Cheap flights from Pasco to Seattle from $121

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 9/7. 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.
Alaska Airlines Logo
1:51 pm - 2:55 pm
PSC
-
SEA
1h 04mnonstop
Alaska Airlines Logo
3:47 pm - 4:52 pm
SEA
-
PSC
1h 05mnonstop
$227Alaska Airlines
Wed, Sep 2 - Sat, Sep 5
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
$237Alaska Airlines
Wed, Sep 2 - Sat, Sep 5
Alaska Airlines Logo
5:20 am - 8:24 am
PSC
-
SEA
3h 04m
1 stop
Alaska Airlines Logo
6:51 pm - 10:48 pm
SEA
-
PSC
3h 57m
1 stop
$247Alaska Airlines
Wed, Sep 2 - Sat, Sep 5
Alaska Airlines Logo
5:20 am - 8:24 am
PSC
-
SEA
3h 04m
1 stop
Alaska Airlines Logo
10:46 pm - 11:49 pm
SEA
-
PSC
1h 03mnonstop
$267Alaska Airlines
Wed, Sep 23 - Wed, Sep 30
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
11:59 am - 3:23 pm
SEA
-
PSC
3h 24m
1 stop
$277Alaska Airlines
Wed, Sep 2 - Sat, Sep 5
Alaska Airlines Logo
4:01 pm - 8:33 pm
PSC
-
SEA
4h 32m
1 stop
Alaska Airlines Logo
4:17 pm - 5:23 pm
SEA
-
PSC
1h 06mnonstop
$287Alaska Airlines
Fri, Oct 9 - Sun, Oct 18
Alaska Airlines Logo
3:55 pm - 10:28 am
PSC
-
SEA
18h 33m
2 stops
Alaska Airlines Logo
2:07 pm - 3:06 pm
SEA
-
PSC
0h 59mnonstop
$288Alaska Airlines
Mon, Dec 7 - Tue, Dec 8
Alaska Airlines Logo
3:59 pm - 5:53 am
PSC
-
SEA
13h 54m
1 stop
Alaska Airlines Logo
8:52 am - 9:53 am
SEA
-
PSC
1h 01mnonstop
$297Alaska Airlines
Sat, Jul 4 - Sun, Jul 5
Alaska Airlines Logo
5:23 am - 9:14 am
PSC
-
SEA
3h 51m
1 stop
Alaska Airlines Logo
12:09 pm - 1:14 pm
SEA
-
PSC
1h 05mnonstop
$307Alaska Airlines
Thu, Aug 13 - Thu, Aug 27
Alaska Airlines Logo
5:23 am - 9:14 am
PSC
-
SEA
3h 51m
1 stop
Alaska Airlines Logo
6:51 pm - 10:48 pm
SEA
-
PSC
3h 57m
1 stop
$317Alaska Airlines
Thu, Aug 13 - Thu, Aug 27

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Delta flights from Pasco to Seattle

Our best Delta deals on Pasco to Seattle flight tickets
Delta
Jul 3
PSC3:25 pmPasco Tri Cities
1h 15m
SEA4:40 pmSeattle/Tacoma Intl
Jul 7
SEA10:45 pmSeattle/Tacoma Intl
1h 08m
PSC11:53 pmPasco Tri Cities
$362
Delta
Aug 4
PSC3:24 pmPasco Tri Cities
1h 13m
SEA4:37 pmSeattle/Tacoma Intl
Aug 7
SEA10:49 pmSeattle/Tacoma Intl
1h 10m
PSC11:59 pmPasco Tri Cities
$407
Delta
Jun 18
PSC12:30 pmPasco Tri Cities
1h 20m
SEA1:50 pmSeattle/Tacoma Intl
Jul 17
SEA10:35 amSeattle/Tacoma Intl
1h 08m
PSC11:43 amPasco Tri Cities
$427

Alaska Airlines flights from Pasco to Seattle

Our best Alaska Airlines deals on Pasco to Seattle flight tickets
Alaska Airlines
Sep 2
PSC1:51 pmPasco Tri Cities
1h 04m
SEA2:55 pmSeattle/Tacoma Intl
Sep 5
SEA3:47 pmSeattle/Tacoma Intl
1h 05m
PSC4:52 pmPasco Tri Cities
$227
Alaska Airlines
Sep 2
PSC4:00 pmPasco Tri Cities
2h 51m
1 stop
SEA6:51 pmSeattle/Tacoma Intl
Sep 5
SEA8:00 pmSeattle/Tacoma Intl
1h 01m
PSC9:01 pmPasco Tri Cities
$237
Alaska Airlines
Sep 1
PSC4:00 pmPasco Tri Cities
2h 51m
1 stop
SEA6:51 pmSeattle/Tacoma Intl
Sep 5
SEA6:51 pmSeattle/Tacoma Intl
3h 57m
1 stop
PSC10:48 pmPasco Tri Cities
$247

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 15, 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
Quickest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/2

1:51 pm-2:55 pm

Nonstop1h 04m

Seattle/Tacoma Intl

Sat 9/5

3:47 pm-4:52 pm

Nonstop1h 05m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/2

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Sat 9/5

8:00 pm-9:01 pm

Nonstop1h 01m

$237

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/2

5:20 am-8:24 am

1 stop3h 04m

Seattle/Tacoma Intl

Sat 9/5

6:51 pm-10:48 pm

1 stop3h 57m

$247

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/23

5:20 am-8:24 am

1 stop3h 04m

Seattle/Tacoma Intl

Wed 9/30

10:46 pm-11:49 pm

Nonstop1h 03m

$267

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/2

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Sat 9/5

11:59 am-3:23 pm

1 stop3h 24m

$277

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 10/9

4:01 pm-8:33 pm

1 stop4h 32m

Seattle/Tacoma Intl

Sun 10/18

4:17 pm-5:23 pm

Nonstop1h 06m

$287

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 12/7

3:55 pm-10:28 am

2 stops18h 33m

Seattle/Tacoma Intl

Tue 12/8

2:07 pm-3:06 pm

Nonstop0h 59m

$288

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 7/4

3:59 pm-5:53 am

1 stop13h 54m

Seattle/Tacoma Intl

Sun 7/5

8:52 am-9:53 am

Nonstop1h 01m

$297

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 8/13

5:23 am-9:14 am

1 stop3h 51m

Seattle/Tacoma Intl

Thu 8/27

12:09 pm-1:14 pm

Nonstop1h 05m

$307

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Thu 8/13

5:23 am-9:14 am

1 stop3h 51m

Seattle/Tacoma Intl

Thu 8/27

6:51 pm-10:48 pm

1 stop3h 57m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $497. 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 $559.

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 $444 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $557. 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

$212

Fastest flight time

1h 06m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Seattle

1 airport
The best one-way flight to Seattle from Pasco in the past 72 hours is $212. The best round-trip flight deal from Pasco to Seattle found on momondo in the last 72 hours is $434.
The fastest flight from Pasco to Seattle takes 1h 06m
Direct flights go from Pasco to Seattle on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
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 06m 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
8,400 reviews
Search Delta flights
Alaska AirlinesPriceFrom $107Free CancellationRating
7.9
12,517 reviews
Search Alaska Airlines flights

  • Delta Flights From Pasco to Seattle

    Delta is one of the most popular airlines flying from Pasco to Seattle, operating 18 flights/week on average for this route. A good Delta flight deal for Pasco to Seattle starts from $92 round-trip, up to an average price of $203. Our users have rated Delta at 7.9/10.

  • Alaska Airlines Flights From Pasco to Seattle

    The best Alaska Airlines deal for Pasco to Seattle flight tickets found on momondo in the last 72 hours was $107, round-trip. It should be noted that an average Alaska Airlines flight deal for this route in this time was higher, at $247 round-trip. Alaska Airlines operates 25 flights out of Pasco into Seattle in an average week, so prices vary by time and availability. 12,517 Alaska Airlines 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
Redmond
Kent
Lakewood
Puyallup
Tukwila
Marysville
Cle Elum
Federal Way
Fife
Centralia
Shoreline
Westport
Kirkland

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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