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Cheap flights from Seattle to Pasco 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 Seattle to Pasco departing on 9/9. 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 Seattle to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
10:53 pm - 11:52 pm
SEA
-
PSC
0h 59mnonstop
Alaska Airlines Logo
1:55 pm - 2:59 pm
PSC
-
SEA
1h 04mnonstop
$227Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
Alaska Airlines Logo
5:29 pm - 6:44 pm
PSC
-
SEA
1h 15mnonstop
$242Alaska Airlines
Sun, Sep 13 - Sat, Sep 19
Alaska Airlines Logo
12:15 pm - 1:27 pm
SEA
-
PSC
1h 12mnonstop
Alaska Airlines Logo
4:00 pm - 6:51 pm
PSC
-
SEA
2h 51m
1 stop
$252Alaska Airlines
Sun, Sep 13 - Sat, Sep 19
Delta Logo
10:35 am - 11:45 am
SEA
-
PSC
1h 10mnonstop
Delta Logo
3:24 pm - 4:37 pm
PSC
-
SEA
1h 13mnonstop
$257Delta
Fri, Aug 21 - Sun, Aug 23
Alaska Airlines Logo
4:17 pm - 5:23 pm
SEA
-
PSC
1h 06mnonstop
Alaska Airlines Logo
4:01 pm - 6:56 pm
PSC
-
SEA
2h 55m
1 stop
$267Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
10:04 am - 3:23 pm
SEA
-
PSC
5h 19m
1 stop
Alaska Airlines Logo
5:20 am - 8:24 am
PSC
-
SEA
3h 04m
1 stop
$307Alaska Airlines
Fri, Aug 21 - Sun, Aug 23
Alaska Airlines Logo
12:13 pm - 3:24 pm
SEA
-
PSC
3h 11m
1 stop
Alaska Airlines Logo
4:01 pm - 6:56 pm
PSC
-
SEA
2h 55m
1 stop
$337Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
Alaska Airlines Logo
7:55 pm - 8:55 pm
SEA
-
PSC
1h 00mnonstop
Alaska Airlines Logo
8:00 am - 9:11 am
PSC
-
SEA
1h 11mnonstop
$347Alaska Airlines
Wed, Nov 25 - Sun, Nov 29
Multiple Airlines Logo
8:53 pm - 7:58 pm
SEA
-
PSC
23h 05m
1 stop
Multiple Airlines Logo
8:48 pm - 10:39 am
PSC
-
SEA
13h 51m
1 stop
$356Multiple Airlines
Thu, Jul 16 - Mon, Jul 20
Alaska Airlines Logo
9:35 pm - 10:37 pm
SEA
-
PSC
1h 02mnonstop
Alaska Airlines Logo
3:59 pm - 6:33 pm
PSC
-
SEA
2h 34m
1 stop
$357Alaska Airlines
Thu, Jul 16 - Mon, Jul 20

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Delta flights from Seattle to Pasco

Our best Delta deals on Seattle to Pasco flight tickets
Delta
Aug 21
SEA10:35 amSeattle/Tacoma Intl
1h 10m
PSC11:45 amPasco Tri Cities
Aug 23
PSC3:24 pmPasco Tri Cities
1h 13m
SEA4:37 pmSeattle/Tacoma Intl
$257
Delta
Jul 2
SEA10:35 amSeattle/Tacoma Intl
1h 13m
PSC11:48 amPasco Tri Cities
Jul 13
PSC3:36 pmPasco Tri Cities
1h 12m
SEA4:48 pmSeattle/Tacoma Intl
$362
Delta
Jun 24
SEA10:50 pmSeattle/Tacoma Intl
1h 09m
PSC11:59 pmPasco Tri Cities
Jun 30
PSC12:30 pmPasco Tri Cities
1h 20m
SEA1:50 pmSeattle/Tacoma Intl
$442

Alaska Airlines flights from Seattle to Pasco

Our best Alaska Airlines deals on Seattle to Pasco flight tickets
Alaska Airlines
Oct 24
SEA10:53 pmSeattle/Tacoma Intl
0h 59m
PSC11:52 pmPasco Tri Cities
Oct 27
PSC1:55 pmPasco Tri Cities
1h 04m
SEA2:59 pmSeattle/Tacoma Intl
$227
Alaska Airlines
Sep 13
SEA12:15 pmSeattle/Tacoma Intl
1h 12m
PSC1:27 pmPasco Tri Cities
Sep 19
PSC5:29 pmPasco Tri Cities
1h 15m
SEA6:44 pmSeattle/Tacoma Intl
$242
Alaska Airlines
Sep 13
SEA12:15 pmSeattle/Tacoma Intl
1h 12m
PSC1:27 pmPasco Tri Cities
Sep 19
PSC4:00 pmPasco Tri Cities
2h 51m
1 stop
SEA6:51 pmSeattle/Tacoma Intl
$252

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Pasco 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 20, 2026.
Use the filters below to find and compare flights from Seattle to Pasco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 10/24

10:53 pm-11:52 pm

Nonstop0h 59m

Pasco Tri Cities

Tue 10/27

1:55 pm-2:59 pm

Nonstop1h 04m

$227

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sun 9/13

12:15 pm-1:27 pm

Nonstop1h 12m

Pasco Tri Cities

Sat 9/19

5:29 pm-6:44 pm

Nonstop1h 15m

$242

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sun 9/13

12:15 pm-1:27 pm

Nonstop1h 12m

Pasco Tri Cities

Sat 9/19

4:00 pm-6:51 pm

1 stop2h 51m

$252

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 8/21

10:35 am-11:45 am

Nonstop1h 10m

Pasco Tri Cities

Sun 8/23

3:24 pm-4:37 pm

Nonstop1h 13m

$257

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 10/24

4:17 pm-5:23 pm

Nonstop1h 06m

Pasco Tri Cities

Tue 10/27

4:01 pm-6:56 pm

1 stop2h 55m

$267

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Fri 8/21

10:04 am-3:23 pm

1 stop5h 19m

Pasco Tri Cities

Sun 8/23

5:20 am-8:24 am

1 stop3h 04m

$307

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 10/24

12:13 pm-3:24 pm

1 stop3h 11m

Pasco Tri Cities

Tue 10/27

4:01 pm-6:56 pm

1 stop2h 55m

$337

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Wed 11/25

7:55 pm-8:55 pm

Nonstop1h 00m

Pasco Tri Cities

Sun 11/29

8:00 am-9:11 am

Nonstop1h 11m

$347

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 7/16

8:53 pm-7:58 pm

1 stop23h 05m

Pasco Tri Cities

Mon 7/20

8:48 pm-10:39 am

1 stop13h 51m

$356

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 7/16

9:35 pm-10:37 pm

Nonstop1h 02m

Pasco Tri Cities

Mon 7/20

3:59 pm-6:33 pm

1 stop2h 34m

$357

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Pasco from

How to get the cheapest flight ticket from Seattle to Pasco

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 Pasco?

The month of February is, on average, the cheapest month to fly to Pasco from Seattle, with most prices found around $119. The month of September is another great option to travel to Pasco, with average flight prices from Seattle averaging around $157.

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

The cheapest day to depart from Seattle to Pasco is on a Saturday. Travelers who choose to depart for Pasco on a Saturday will often find tickets for as low as $177. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Pasco on Thursday is $267.

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

The cheapest time of day to fly to Pasco is in the evening when flights can be purchased for as low as $187. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $287 on average. Flights to Pasco from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There are 2 cabin classes available to choose from on Seattle to Pasco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Seattle to Pasco flight prices changed over time?

As of June 2026, prices for Seattle to Pasco flights are approximately 57% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Pasco

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

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

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

Best Price Found

$218

Fastest flight time

0h 59m

Direct flights

Every day

Airports in Pasco

1 airport
The best one-way flight to Pasco from Seattle in the past 72 hours is $218. The best round-trip flight deal from Seattle to Pasco found on momondo in the last 72 hours is $322.
The fastest flight from Seattle to Pasco takes 0h 59m
Direct flights go from Seattle to Pasco every day.
There is 1 airport in Pasco. From Seattle there are direct flights to Pasco Tri Cities (PSC).
Search flight deals

Frequently asked questions about flying from Seattle to Pasco

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

    There are 179.8 mi between Seattle/Tacoma Intl and Pasco Tri Cities. By plane, this route typically takes 0h 59m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Pasco Tri Cities Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Pasco Tri Cities Airport.

  • What documentation or ID do you need to fly to Pasco Tri Cities Airport?

    The travel and health documents you'll need for your trip to Pasco Tri Cities 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 Pasco Tri Cities 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 Seattle to Pasco?

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

Best airlines flying from Seattle to Pasco

Compare and see reviews for airlines that fly from Seattle to Pasco with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $79Free CancellationRating
7.8
8,419 reviews
Search Delta flights
Alaska AirlinesPriceFrom $108Free CancellationRating
7.9
12,548 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Pasco

    Alaska Airlines flight deals from Seattle to Pasco start from $108 round-trip. Over the 26 Alaska Airlines flights for this route in a normal week, average airfare is usually $237 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Seattle to Pasco

    Delta is also a popular choice for this route. Delta flight deals for Seattle to Pasco start from as low as $79 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $208. Delta operates 10 flights to Pasco from Seattle in an average week. Users have rated it 7.8/10 across 8,419 reviews.

Traveling to a place near Pasco?

Book flights to Pasco if you plan to visit one of these locations
Kennewick
Richland

Why use momondo?

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

Finding the right flight to Pasco from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Pasco quick and easy, saving you time and money.

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

All flight searches from Seattle to Pasco on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Pasco.

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

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

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