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Cheap flights from Pasco to Seattle from $108

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 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
5:29 pm - 6:44 pm
PSC
-
SEA
1h 15mnonstop
Alaska Airlines Logo
8:59 pm - 3:23 pm
SEA
-
PSC
18h 24m
1 stop
$177Alaska Airlines
Fri, Sep 25 - Fri, Sep 25
Alaska Airlines Logo
5:20 am - 6:00 am
PSC
-
SEA
24h 40m
1 stop
Alaska Airlines Logo
9:06 am - 10:12 am
SEA
-
PSC
1h 06mnonstop
$178Alaska Airlines
Sat, Aug 29 - Sun, Aug 30
Delta Logo
3:25 pm - 4:41 pm
PSC
-
SEA
1h 16mnonstop
Delta Logo
1:30 pm - 2:44 pm
SEA
-
PSC
1h 14mnonstop
$207Delta
Tue, Sep 29 - Tue, Oct 6
Alaska Airlines Logo
8:04 am - 9:08 am
PSC
-
SEA
1h 04mnonstop
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
$207Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
Delta Logo
3:24 pm - 4:37 pm
PSC
-
SEA
1h 13mnonstop
Delta Logo
10:35 am - 11:45 am
SEA
-
PSC
1h 10mnonstop
$217Delta
Sat, Aug 29 - Sun, Aug 30
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
Alaska Airlines Logo
9:05 am - 10:10 am
SEA
-
PSC
1h 05mnonstop
$217Alaska Airlines
Tue, Sep 29 - Tue, Oct 6
Delta Logo
5:25 am - 6:38 am
PSC
-
SEA
1h 13mnonstop
Delta Logo
10:40 am - 11:56 am
SEA
-
PSC
1h 16mnonstop
$227Delta
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
9:01 pm - 10:39 am
PSC
-
SEA
13h 38m
1 stop
Multiple Airlines Logo
7:06 pm - 1:01 pm
SEA
-
PSC
17h 55m
2 stops
$327Multiple Airlines
Mon, Aug 17 - Wed, Aug 19
American Airlines Logo
6:00 am - 7:20 am
PSC
-
SEA
1h 20mnonstop
American Airlines Logo
3:47 pm - 4:52 pm
SEA
-
PSC
1h 05mnonstop
$347American Airlines
Wed, Sep 23 - Tue, Sep 29
Multiple Airlines Logo
9:01 pm - 11:04 am
PSC
-
SEA
14h 03m
1 stop
Multiple Airlines Logo
8:53 pm - 1:01 pm
SEA
-
PSC
40h 08m
2 stops
$354Multiple Airlines
Fri, Aug 14 - Tue, Aug 18

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Delta flights from Pasco to Seattle

Our best Delta deals on Pasco to Seattle flight tickets
Delta
Sep 21
PSC12:36 pmPasco Tri Cities
1h 15m
SEA1:51 pmSeattle/Tacoma Intl
Sep 30
SEA10:45 pmSeattle/Tacoma Intl
1h 09m
PSC11:54 pmPasco Tri Cities
$242
Delta
Aug 17
PSC3:24 pmPasco Tri Cities
1h 13m
SEA4:37 pmSeattle/Tacoma Intl
Sep 5
SEA1:30 pmSeattle/Tacoma Intl
1h 14m
PSC2:44 pmPasco Tri Cities
$292
Delta
Aug 22
PSC6:15 amPasco Tri Cities
1h 21m
SEA7:36 amSeattle/Tacoma Intl
Aug 29
SEA10:50 pmSeattle/Tacoma Intl
1h 09m
PSC11:59 pmPasco Tri Cities
$297

Alaska Airlines flights from Pasco to Seattle

Our best Alaska Airlines deals on Pasco to Seattle flight tickets
Alaska Airlines
Sep 25
PSC5:29 pmPasco Tri Cities
1h 15m
SEA6:44 pmSeattle/Tacoma Intl
Sep 25
SEA8:59 pmSeattle/Tacoma Intl
18h 24m
1 stop
PSC3:23 pmPasco Tri Cities
$177
Alaska Airlines
Aug 29
PSC5:20 amPasco Tri Cities
24h 40m
1 stop
SEA6:00 amSeattle/Tacoma Intl
Aug 30
SEA9:06 amSeattle/Tacoma Intl
1h 06m
PSC10:12 amPasco Tri Cities
$178
Alaska Airlines
Sep 12
PSC8:04 amPasco Tri Cities
1h 04m
SEA9:08 amSeattle/Tacoma Intl
Sep 16
SEA12:15 pmSeattle/Tacoma Intl
1h 12m
PSC1:27 pmPasco Tri Cities
$207

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 July 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

Cheapest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 9/25

5:29 pm-6:44 pm

Nonstop1h 15m

Seattle/Tacoma Intl

Fri 9/25

8:59 pm-3:23 pm

1 stop18h 24m

$177

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 8/29

5:20 am-6:00 am

1 stop24h 40m

Seattle/Tacoma Intl

Sun 8/30

9:06 am-10:12 am

Nonstop1h 06m

$178

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 9/29

3:25 pm-4:41 pm

Nonstop1h 16m

Seattle/Tacoma Intl

Tue 10/6

1:30 pm-2:44 pm

Nonstop1h 14m

$207
Quickest round-trip

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 9/12

8:04 am-9:08 am

Nonstop1h 04m

Seattle/Tacoma Intl

Wed 9/16

12:15 pm-1:27 pm

Nonstop1h 12m

$207

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Sat 8/29

3:24 pm-4:37 pm

Nonstop1h 13m

Seattle/Tacoma Intl

Sun 8/30

10:35 am-11:45 am

Nonstop1h 10m

$217

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Tue 9/29

4:00 pm-6:51 pm

1 stop2h 51m

Seattle/Tacoma Intl

Tue 10/6

9:05 am-10:10 am

Nonstop1h 05m

$217

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/23

5:25 am-6:38 am

Nonstop1h 13m

Seattle/Tacoma Intl

Tue 9/29

10:40 am-11:56 am

Nonstop1h 16m

$227

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Mon 8/17

9:01 pm-10:39 am

1 stop13h 38m

Seattle/Tacoma Intl

Wed 8/19

7:06 pm-1:01 pm

2 stops17h 55m

$327

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Wed 9/23

6:00 am-7:20 am

Nonstop1h 20m

Seattle/Tacoma Intl

Tue 9/29

3:47 pm-4:52 pm

Nonstop1h 05m

$347

PascoSeattle

PSC - SEA

PSCSEA

Pasco Tri Cities

Fri 8/14

9:01 pm-11:04 am

1 stop14h 03m

Seattle/Tacoma Intl

Tue 8/18

8:53 pm-1:01 pm

2 stops40h 08m

$354

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, 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 Saturday. momondo users have found tickets for Saturday departures for as low as $507. 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 $558.

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 $443 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $560. 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 July 2026, prices for Pasco to Seattle flights are approximately 8% 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

$218

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 $218. The best round-trip flight deal from Pasco to Seattle found on momondo in the last 72 hours is $410.
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
8,486 reviews
Search Delta flights
Alaska AirlinesPriceFrom $107Free CancellationRating
7.9
12,726 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 26 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 $255. 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 $207 round-trip. Delta operates 16 flights out of Pasco into Seattle in an average week, so prices vary by time and availability. 8,486 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
Kent
Lynnwood
Redmond
Lakewood
Puyallup
Tukwila
Federal Way
Fife
Cle Elum
Marysville
Kirkland
Centralia
Shoreline
Lacey

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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