$116 Cheap Flights from Pasco (PSC) to Missoula (MSO)

View $116 flight on Tue, Nov 18, 2025Opens in a new window

Popular airlines from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)

Cheap Flights from Pasco to Missoula (PSC-MSO)

Prices were available within the past 7 days and start at $116 for one-way flights and $245 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Dec 23 - Wed, Jan 7
PSC
Pasco
MSO
Missoula
$245 Roundtrip, just found
$245
Roundtrip
just found
Select Hawaiian Airlines flight, departing Tue, Dec 23 from Pasco to Missoula, returning Wed, Jan 7, priced at $245 just found
Delta
Sat, Jan 3 - Sat, Jan 17
PSC
Pasco
MSO
Missoula
$246 Roundtrip, just found
$246
Roundtrip
just found
Select Delta flight, departing Sat, Jan 3 from Pasco to Missoula, returning Sat, Jan 17, priced at $246 just found
Hawaiian Airlines
Wed, Dec 31 - Wed, Jan 14
PSC
Pasco
MSO
Missoula
$253 Roundtrip, just found
$253
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Dec 31 from Pasco to Missoula, returning Wed, Jan 14, priced at $253 just found
Hawaiian Airlines
Thu, Dec 25 - Wed, Jan 7
PSC
Pasco
MSO
Missoula
$254 Roundtrip, just found
$254
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Pasco to Missoula, returning Wed, Jan 7, priced at $254 just found
Delta
Fri, Jan 2 - Sat, Jan 17
PSC
Pasco
MSO
Missoula
$256 Roundtrip, just found
$256
Roundtrip
just found
Select Delta flight, departing Fri, Jan 2 from Pasco to Missoula, returning Sat, Jan 17, priced at $256 just found
Hawaiian Airlines
Wed, Dec 31 - Sat, Jan 17
PSC
Pasco
MSO
Missoula
$262 Roundtrip, just found
$262
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Dec 31 from Pasco to Missoula, returning Sat, Jan 17, priced at $262 just found
Hawaiian Airlines
Wed, Dec 31 - Mon, Jan 12
PSC
Pasco
MSO
Missoula
$263 Roundtrip, just found
$263
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Dec 31 from Pasco to Missoula, returning Mon, Jan 12, priced at $263 just found
Hawaiian Airlines
Thu, Dec 25 - Thu, Jan 8
PSC
Pasco
MSO
Missoula
$264 Roundtrip, just found
$264
Roundtrip
just found
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Pasco to Missoula, returning Thu, Jan 8, priced at $264 just found
Alaska Airlines
Fri, Dec 5 - Tue, Dec 9
PSC
Pasco
MSO
Missoula
$312 Roundtrip, found 5 days ago
$312
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Pasco to Missoula, returning Tue, Dec 9, priced at $312 found 5 days ago
United
Sat, Feb 14 - Fri, Feb 20
PSC
Pasco
MSO
Missoula
$711 Roundtrip, found 18 hours ago
$711
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Feb 14 from Pasco to Missoula, returning Fri, Feb 20, priced at $711 found 18 hours ago

Alternative airports near Missoula

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Missoula Intl. MSO. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $420
MSO
Missoula Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $420

Frequently asked questions

How much does a flight from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO) cost?
Get a cheap one-way flight from $116 or cheap return flight from $245 from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)?
December is the most affordable month to fly from PSC to MSO. Avoiding peak travel times is often the key to scoring lower fares.
What is the cheapest airline that flies from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)?
To find the cheapest airline that'll fly you from PSC to MSO, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)?
Nonstop flights from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from PSC to MSO?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)?
Opt for a flight from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO) that takes off before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO) last-minute?
Holding off until just before your trip to book a flight from PSC to MSO often results in higher prices. While you may find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to maximize your chances of getting a bargain.
Is it cheaper to book a PSC to MSO flight and hotel package?
You'll generally save money by booking a PSC to MSO flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred accommodations and flights, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Tri-Cities Airport (PSC) to Missoula Intl. Airport (MSO)?
It's usually possible to reschedule or cancel your PSC to MSO flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Tri-Cities
Destination airport
Missoula Intl.
Airlines serving
Alaska Airlines
Roundtrip price
$244
Distance
243 mi

Book with confidence

Pasco to Missoula Flights

The cheapest times to fly from Pasco to Missoula

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pasco to Missoula are during the month of December. You can find some of the cheapest flights from Pasco to Missoula with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Pasco to Missoula

Sunday is one of the best days to book for cheap flights from Pasco to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Pasco to Missoula

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pasco to Missoula in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pasco to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pasco to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Pasco to Missoula Flights

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*Available to One Key members.