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$550+ Cheap flights from Portland, ME to Pasco (PWM - PSC)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — PSC
May 25 — Jun 11
Mon 5/25
Mon 6/1
1 adult, Economy
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Cheap flight deals from Portland to Pasco

Cheapest flights from Portland to Pasco
Explore the most affordable flight options available from Portland to Pasco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2026.

This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:23 pm
PWM
-
PSC
1 stop8h 30m
United Airlines
Sun 5/105:00 am
PSC
-
PWM
1 stop7h 41m
United Airlines
Deal found 4/21$550
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:23 pm
PWM
-
PSC
1 stop8h 30m
United Airlines
Wed 5/275:14 am
PSC
-
PWM
1 stop7h 35m
United Airlines
Deal found 4/20$621
This United Airlines deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/93:23 pm
PWM
-
PSC
1 stop8h 30m
United Airlines
Wed 5/135:00 am
PSC
-
PWM
1 stop7h 41m
United Airlines
Deal found 4/24$635
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2012:50 pm
PWM
-
PSC
2 stops14h 06m
Delta
Wed 5/276:20 am
PSC
-
PWM
2 stops15h 23m
Delta
Deal found 4/20$647
This United Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:30 am
PWM
-
PSC
2 stops10h 28m
United Airlines
Sat 5/95:00 am
PSC
-
PWM
2 stops10h 23m
United Airlines
Deal found 4/20$730
This Alaska Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/63:02 pm
PWM
-
PSC
2 stops11h 57m
Alaska Airlines
Sun 5/107:00 am
PSC
-
PWM
2 stops13h 54m
Alaska Airlines
Deal found 4/21$785

Find flight deals from Portland to Pasco

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Pasco (PSC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$550
(United Airlines)
Provider with most accurate pricing for Portland-Pasco Tri Cities flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Pasco Tri Cities flights.
Search Deals
From Portland to Pasco Tri Cities
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated April 25, 2026.
Use the filters below to find and compare flights from Portland to Pasco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandPasco

PWM - PSC

PWMPSC

Portland

Wed 5/6

3:23 pm-8:53 pm

1 stop8h 30m

Pasco Tri Cities

Sun 5/10

5:00 am-3:41 pm

1 stop7h 41m

$550

PortlandPasco

PWM - PSC

PWMPSC

Portland

Wed 5/20

12:50 pm-11:56 pm

2 stops14h 06m

Pasco Tri Cities

Wed 5/27

6:20 am-12:43 am

2 stops15h 23m

$647

PortlandPasco

PWM - PSC

PWMPSC

Portland

Sat 5/9

11:34 am-8:53 pm

2 stops12h 19m

Pasco Tri Cities

Wed 5/13

5:00 am-3:41 pm

1 stop7h 41m

$716

PortlandPasco

PWM - PSC

PWMPSC

Portland

Tue 5/5

5:30 am-12:58 pm

2 stops10h 28m

Pasco Tri Cities

Sat 5/9

5:00 am-6:23 pm

2 stops10h 23m

$730

PortlandPasco

PWM - PSC

PWMPSC

Portland

Wed 5/6

3:02 pm-11:59 pm

2 stops11h 57m

Pasco Tri Cities

Sun 5/10

7:00 am-11:54 pm

2 stops13h 54m

$785

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Portland, Maine-Pasco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Pasco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Pasco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Pasco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Pasco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Pasco

Have a flexible travel schedule? Discover the best time to fly to Pasco from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Portland to Pasco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland, Maine to Pasco?

    United Airlines and Delta can get you from Portland, Maine to Pasco in just under 8h 30m. Your travel time can differ by up to 5h 36m. Airlines will cover a distance of 2354 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Portland to Pasco that include hotel bookings?

    Yes. In addition to deals on Portland to Pasco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Pasco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Pasco.

  • Can I find deals for business class flights from Portland to Pasco?

    Yes. Cheapflights offers flight deals from Portland to Pasco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Pasco?

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

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