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Cheap flights from Seattle to Pasco from $129

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 4/29. 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

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Find the cheapest flights from Seattle to Pasco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:41 pm - 9:40 pm
SEA
-
PSC
0h 59mnonstop
Alaska Airlines Logo
6:11 pm - 7:22 pm
PSC
-
SEA
1h 11mnonstop
$201Alaska Airlines
Sat, Apr 18 - Sun, Apr 19
Delta Logo
10:50 pm - 12:01 am
SEA
-
PSC
1h 11mnonstop
Delta Logo
5:49 pm - 7:05 pm
PSC
-
SEA
1h 16mnonstop
$217Delta
Wed, Apr 22 - Wed, Apr 29
Delta Logo
3:10 pm - 4:16 pm
SEA
-
PSC
1h 06mnonstop
Delta Logo
6:20 am - 7:40 am
PSC
-
SEA
1h 20mnonstop
$227Delta
Sat, May 9 - Sun, May 10
Delta Logo
10:50 pm - 12:01 am
SEA
-
PSC
1h 11mnonstop
Delta Logo
12:28 pm - 1:44 pm
PSC
-
SEA
1h 16mnonstop
$237Delta
Thu, Apr 23 - Mon, Apr 27
Delta Logo
10:40 am - 11:48 am
SEA
-
PSC
1h 08mnonstop
Delta Logo
5:49 pm - 7:05 pm
PSC
-
SEA
1h 16mnonstop
$257Delta
Tue, Apr 21 - Tue, Apr 21
Delta Logo
10:50 pm - 12:01 am
SEA
-
PSC
1h 11mnonstop
Delta Logo
12:28 pm - 1:44 pm
PSC
-
SEA
1h 16mnonstop
$267Delta
Mon, Apr 13 - Wed, Apr 15
Alaska Airlines Logo
9:44 am - 10:43 am
SEA
-
PSC
0h 59mnonstop
Alaska Airlines Logo
3:46 pm - 5:00 pm
PSC
-
SEA
1h 14mnonstop
$273Alaska Airlines
Sat, Aug 22 - Wed, Aug 26
Delta Logo
10:35 am - 11:44 am
SEA
-
PSC
1h 09mnonstop
Delta Logo
3:25 pm - 4:40 pm
PSC
-
SEA
1h 15mnonstop
$277Delta
Wed, Jun 3 - Mon, Jun 8
Alaska Airlines Logo
11:25 am - 6:13 pm
SEA
-
PSC
6h 48m
1 stop
Alaska Airlines Logo
4:19 pm - 5:28 pm
PSC
-
SEA
1h 09mnonstop
$280Alaska Airlines
Wed, Apr 22 - Wed, Apr 29
Alaska Airlines Logo
11:00 pm - 11:59 pm
SEA
-
PSC
0h 59mnonstop
Alaska Airlines Logo
6:53 pm - 9:50 am
PSC
-
SEA
14h 57m
1 stop
$300Alaska Airlines
Thu, Apr 23 - Mon, Apr 27

Alaska Airlines flights from Seattle to Pasco

Our best Alaska Airlines deals on Seattle to Pasco flight tickets
Alaska Airlines
Apr 18
SEA8:41 pmSeattle/Tacoma Intl
0h 59m
PSC9:40 pmPasco Tri Cities
Apr 19
PSC6:11 pmPasco Tri Cities
1h 11m
SEA7:22 pmSeattle/Tacoma Intl
$201
Alaska Airlines
Aug 22
SEA9:44 amSeattle/Tacoma Intl
0h 59m
PSC10:43 amPasco Tri Cities
Aug 26
PSC3:46 pmPasco Tri Cities
1h 14m
SEA5:00 pmSeattle/Tacoma Intl
$273
Alaska Airlines
Apr 22
SEA11:25 amSeattle/Tacoma Intl
6h 48m
1 stop
PSC6:13 pmPasco Tri Cities
Apr 29
PSC4:19 pmPasco Tri Cities
1h 09m
SEA5:28 pmSeattle/Tacoma Intl
$280

United Airlines flights from Seattle to Pasco

Our best United Airlines deals on Seattle to Pasco flight tickets
United Airlines
Apr 9
SEA5:00 amSeattle/Tacoma Intl
16h 01m
1 stop
PSC9:01 pmPasco Tri Cities
Apr 10
PSC1:39 pmPasco Tri Cities
21h 00m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$1,014
United Airlines
Apr 4
SEA8:51 amSeattle/Tacoma Intl
12h 10m
1 stop
PSC9:01 pmPasco Tri Cities
Apr 7
PSC1:39 pmPasco Tri Cities
9h 48m
1 stop
SEA11:27 pmSeattle/Tacoma Intl
$1,030
United Airlines
Apr 9
SEA11:35 amSeattle/Tacoma Intl
24h 55m
1 stop
PSC12:30 pmPasco Tri Cities
Apr 12
PSC5:00 amPasco Tri Cities
17h 33m
1 stop
SEA10:33 pmSeattle/Tacoma Intl
$1,093

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 March 26, 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 4/18

8:41 pm-9:40 pm

Nonstop0h 59m

Pasco Tri Cities

Sun 4/19

6:11 pm-7:22 pm

Nonstop1h 11m

$201

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Wed 4/22

10:50 pm-12:01 am

Nonstop1h 11m

Pasco Tri Cities

Wed 4/29

5:49 pm-7:05 pm

Nonstop1h 16m

$217

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 5/9

3:10 pm-4:16 pm

Nonstop1h 06m

Pasco Tri Cities

Sun 5/10

6:20 am-7:40 am

Nonstop1h 20m

$227

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 4/23

10:50 pm-12:01 am

Nonstop1h 11m

Pasco Tri Cities

Mon 4/27

12:28 pm-1:44 pm

Nonstop1h 16m

$237

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Tue 4/21

10:40 am-11:48 am

Nonstop1h 08m

Pasco Tri Cities

Tue 4/21

5:49 pm-7:05 pm

Nonstop1h 16m

$257

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Mon 4/13

10:50 pm-12:01 am

Nonstop1h 11m

Pasco Tri Cities

Wed 4/15

12:28 pm-1:44 pm

Nonstop1h 16m

$267

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Sat 8/22

9:44 am-10:43 am

Nonstop0h 59m

Pasco Tri Cities

Wed 8/26

3:46 pm-5:00 pm

Nonstop1h 14m

$273

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Wed 6/3

10:35 am-11:44 am

Nonstop1h 09m

Pasco Tri Cities

Mon 6/8

3:25 pm-4:40 pm

Nonstop1h 15m

$277

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Wed 4/22

11:25 am-6:13 pm

1 stop6h 48m

Pasco Tri Cities

Wed 4/29

4:19 pm-5:28 pm

Nonstop1h 09m

$280

SeattlePasco

SEA - PSC

SEAPSC

Seattle/Tacoma Intl

Thu 4/23

11:00 pm-11:59 pm

Nonstop0h 59m

Pasco Tri Cities

Mon 4/27

6:53 pm-9:50 am

1 stop14h 57m

$300

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 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 typical price of a round-trip flight between Seattle and Pasco?

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 $137.

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 $147. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Pasco on Monday is $237.

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 $177. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $237 on average. Flights to Pasco from Seattle in the morning 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/Tacoma Intl to Pasco Tri Cities flights?

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl to Pasco Tri Cities 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 March 2026, prices for Seattle to Pasco flights are approximately 12% cheaper 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

$173

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 $173. The best round-trip flight deal from Seattle to Pasco found on momondo in the last 72 hours is $158.
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

  • 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
7.9
8,336 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $97Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $108Free CancellationRating
7.9
12,117 reviews
Search Alaska Airlines flights

  • Delta Flights From Seattle to Pasco

    Delta flight deals from Seattle to Pasco start from $79 round-trip. Over the 8 Delta flights for this route in a normal week, average airfare is usually $208 round-trip - but some users have found much cheaper deals with momondo.

  • Alaska Airlines Flights From Seattle to Pasco

    Alaska Airlines is also a popular choice for this route. Alaska Airlines flight deals for Seattle to Pasco start from as low as $108 round-trip, depending on your selected dates, with average Alaska Airlines deals seen on momondo around $198. Alaska Airlines operates 14 flights to Pasco from Seattle in an average week. Users have rated it 7.9/10 across 12,117 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.

An easier way to manage your Pasco trip

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