What is the cheapest airline that flies from Portland to Pasco Tri Cities?

United Airlines and Delta are the most popular carriers operating from Portland to Pasco Tri Cities

What airlines fly to Pasco?

Alaska Airlines, Delta and American Airlines are the top three most popular airlines that fly to Pasco from Portland, Maine according to our data. Alaska Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Pasco. Keep in mind that there are 3 different airlines that fly to Pasco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Pasco Tri Cities Airport?

Prices for flights from Portland Airport to Pasco Tri Cities Airport are refreshed on a daily basis.

How old do you have to be to fly from Portland Airport to Pasco Tri Cities 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 Portland 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 required for your trip to Pasco Tri Cities Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Pasco Tri Cities Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$339 Cheap Flights from Portland to Pasco in 2025/26

1 adult

0 bags

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Find the cheapest flights from Portland, Maine to Pasco

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:26 pm - 12:13 amPWM-PSC

14h 47m2 stops

5:46 am - 9:47 pmPSC-PWM

13h 01m2 stops

$763Alaska Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

3:20 pm - 9:02 pmPWM-PSC

8h 42m1 stop

5:05 am - 3:48 pmPSC-PWM

7h 43m1 stop

$769United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

10:45 am - 9:02 pmPWM-PSC

13h 17m2 stops

5:05 am - 3:48 pmPSC-PWM

7h 43m1 stop

$775United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

9:54 am - 9:02 pmPWM-PSC

14h 08m2 stops

12:45 pm - 2:12 pmPSC-PWM

22h 27m2 stops

$842United Airlines

Find Deal

Tue, Nov 18 - Sat, Nov 22

Delta flights from Portland, Maine to Pasco

Our best Delta deals on Portland, Maine to Pasco flight tickets

Delta

Nov 7

PWM1:27 pmPortland

13h 04m

2 stops

PSC11:31 pmPasco Tri Cities

Nov 10

PSC6:15 amPasco Tri Cities

14h 39m

2 stops

PWM11:54 pmPortland

$539

Find similar

Delta

Nov 9

PWM4:53 pmPortland

9h 46m

2 stops

PSC11:39 pmPasco Tri Cities

Nov 10

PSC6:15 amPasco Tri Cities

14h 39m

2 stops

PWM11:54 pmPortland

$703

Find similar

United Airlines flights from Portland, Maine to Pasco

Our best United Airlines deals on Portland, Maine to Pasco flight tickets

United Airlines

Nov 8

PWM9:45 amPortland

14h 17m

2 stops

PSC9:02 pmPasco Tri Cities

Nov 10

PSC6:25 amPasco Tri Cities

13h 52m

2 stops

PWM11:17 pmPortland

$660

Find similar

United Airlines

Nov 8

PWM3:20 pmPortland

8h 42m

1 stop

PSC9:02 pmPasco Tri Cities

Nov 10

PSC6:25 amPasco Tri Cities

13h 52m

2 stops

PWM11:17 pmPortland

$691

Find similar

United Airlines

Nov 7

PWM3:20 pmPortland

8h 42m

1 stop

PSC9:02 pmPasco Tri Cities

Nov 10

PSC5:05 amPasco Tri Cities

7h 43m

1 stop

PWM3:48 pmPortland

$713

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandPasco

PWM - PSC

PWMPSC

Portland

Tue 11/18

12:26 pm-12:13 am

2 stops14h 47m

Pasco Tri Cities

Sat 11/22

5:46 am-9:47 pm

2 stops13h 01m

$763

PortlandPasco

PWM - PSC

PWMPSC

Portland

Tue 11/18

3:20 pm-9:02 pm

1 stop8h 42m

Pasco Tri Cities

Sat 11/22

5:05 am-3:48 pm

1 stop7h 43m

$769

PortlandPasco

PWM - PSC

PWMPSC

Portland

Tue 11/18

10:45 am-9:02 pm

2 stops13h 17m

Pasco Tri Cities

Sat 11/22

5:05 am-3:48 pm

1 stop7h 43m

$775

PortlandPasco

PWM - PSC

PWMPSC

Portland

Tue 11/18

9:54 am-9:02 pm

2 stops14h 08m

Pasco Tri Cities

Sat 11/22

12:45 pm-2:12 pm

2 stops22h 27m

$842

PortlandPasco

PWM - PSC

PWMPSC

Portland

Sun 11/9

3:20 pm-9:02 pm

1 stop8h 42m

$339

PortlandPasco

PWM - PSC

PWMPSC

Portland

Sun 11/9

6:35 am-5:01 pm

2 stops13h 26m

$450

PortlandPasco

PWM - PSC

PWMPSC

Portland

Sun 11/9

5:40 pm-12:13 am

3 stops33h 33m

$1,144

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland, Maine 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

Prices

Airlines

Can stopping save me money on Portland, Maine to Pasco flights?

You could potentially save up to 57% on your flight if you consider stops on a Portland, Maine to Pasco flight.

When to book flights from Portland, Maine to Pasco

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Pasco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Portland, Maine to Pasco (PWM to PSC) flight deals and tips

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

Direct flights	None

There are no direct flights from Portland, Maine to Pasco. There are no popular flight routes from Portland, Maine to Pasco.

Search flight deals

How far is Portland to Pasco Tri Cities by plane?
A flight from Portland to Pasco Tri Cities will travel around 2355.5 mi. 8h 42m is a normal flight duration for this route.
When did momondo last update prices for flights from Portland Airport to Pasco Tri Cities Airport?
Prices for flights from Portland Airport to Pasco Tri Cities Airport are refreshed on a daily basis.
How old do you have to be to fly from Portland Airport to Pasco Tri Cities 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 Portland 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 required for your trip to Pasco Tri Cities Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Pasco Tri Cities Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Kennewick

Richland

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Pasco for you.

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

Flights from Portland to Pasco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Pasco from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Pasco from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.