Skyscanner home

C$187 Cheap Flights from Missoula (MSO) to Portland (PDX)

Compare Missoula to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

Book the best Portland fare with no extra fees

TrustScore 4.6 out of 5 4.6 out of 5 based on 949 reviews Trustpilot

Flight deals from Missoula to Portland

Looking for a cheap last-minute deal or the best return flight from Missoula Airport to Portland Airport? If you want to travel next month, return fares start from C$353. Find the lowest prices on one-way and return tickets right here.
Portland.C$187 per passenger.Departing Fri., May 29.One-way flight with United.Outbound indirect flight with United, departs from Missoula on Fri., May 29, arriving in Portland.Price includes taxes and charges.From C$187, select.
Portland.C$223 per passenger.Departing Fri., May 29.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Fri., May 29, arriving in Portland.Price includes taxes and charges.From C$223, select.
Portland.C$243 per passenger.Departing Fri., Sep. 11.One-way flight with Delta.Outbound indirect flight with Delta, departs from Missoula on Fri., Sep. 11, arriving in Portland.Price includes taxes and charges.From C$243, select.
Portland.C$244 per passenger.Departing Thu., Aug. 13.One-way flight with United.Outbound indirect flight with United, departs from Missoula on Thu., Aug. 13, arriving in Portland.Price includes taxes and charges.From C$244, select.
Portland.C$252 per passenger.Departing Fri., Jul. 3.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Missoula on Fri., Jul. 3, arriving in Portland.Price includes taxes and charges.From C$252, select.
Portland.C$253 per passenger.Departing Sat., Jun. 20.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Sat., Jun. 20, arriving in Portland.Price includes taxes and charges.From C$253, select.
Portland.C$253 per passenger.Departing Fri., Jul. 3.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Fri., Jul. 3, arriving in Portland.Price includes taxes and charges.From C$253, select.
Portland.C$254 per passenger.Departing Fri., Sep. 11.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Fri., Sep. 11, arriving in Portland.Price includes taxes and charges.From C$254, select.
Portland.C$255 per passenger.Departing Sat., Aug. 15.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Missoula on Sat., Aug. 15, arriving in Portland.Price includes taxes and charges.From C$255, select.

Find the cheapest month to fly from Missoula to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Missoula to Portland flights are currently cheapest in May.
May
from C$187
Jun.
from C$253
Jul.
from C$252
Aug.
from C$244
Sep.
from C$243
Oct.
Find prices
Nov.
Find prices
Dec.
Find prices
Jan.
Find prices
Feb.
Find prices
Mar.
Find prices
Apr.
Find prices

Which airlines fly from Missoula to Portland?

Missoula to Portland: Alternative routes

Compare routes from Missoula to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Portland

10km from central Portland
ClosestCheapest
from C$187
Search flights

Salem

72km from central Portland
Search flights

Missoula to Portland: Flight information

The things to know before you go.
Cheapest flight foundC$187
Cheapest month to flyMay
Average flight time1 hr, 33 mins
Most popular airlineAlaska Airlines
Average flights per week17

Finding cheap flights from Missoula to Portland: Frequently asked questions

The best price we found for a return flight from Missoula to Portland is C$335. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 33 minutes is the average flight time from Missoula to Portland.
Alaska Airlines, Horizon Air and SkyWest Airlines fly direct from Missoula to Portland.
As of May 2026, there are 17 flights per week flying from Missoula to Portland.
The cheapest month to fly from Missoula to Portland is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Missoula Airport to Portland Airport on Wednesday, May 20, 2026.
Yes – the average flight time is 1 hour and 33 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta and Alaska Airlines offer the cheapest flight tickets to Portland.

Traveling from Missoula International Airport (MSO) to Portland International Airport (PDX): what you need to know

  • Delays at security and check-in are more likely if you're jetting off during high season, so allow a little extra breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and two hours for domestic departures.

  • If you'd like to have a stopover for your flight from Missoula International Airport to Portland International Airport, just deselect 'Direct flights only' and look at all your options. Here are the most popular stopovers between MSO and PDX:

    • Metropolitan Oakland International Airport

    • Denver International Airport

    • Salt Lake City International Airport

How to find the cheapest flights from Missoula International Airport (MSO) to Portland International Airport (PDX)

  • The lowest price we've found for a one-way ticket from Missoula International Airport to Portland International Airport is C$187. For a return flight on this route, the best price is C$335. Depending on the availability and when you book, these fares may change.

  • To score cheap flight tickets from MSO to PDX, book early. Airlines typically offer lower prices when flights are first released.

  • Getting cheap flight tickets from Missoula International Airport to Portland International Airport is easier if you can be flexible with your trip dates. Use the 'Whole month' function to see the lowest fares across each month and snap up a great deal.

  • Sign into your online account or use the app to set up a Price Alert. You'll be notified right away if there's a better deal on this route. It's easy to do, and it'll save you the hassle of looking for cheap flight tickets from MSO to PDX every day.

  • Use filters to tailor your flights from Missoula International Airport to Portland International Airport. Simply enter your ideal arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to see the best deals.

Handy information about Missoula International Airport (MSO)

  • Traveling from central Missoula to Missoula International Airport takes approximately 35 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 11 kilometres in 11 minutes or so, depending on traffic.

  • Got an early flight from Missoula International Airport to Portland International Airport? Avoid rushing to the terminal (and sneak in some extra precious sleep) by picking one of these stays close to MSO:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • Portland International Airport is approximately 19 kilometres from the center of Portland. With your own car rental or if you're catching a cab, the drive is about 19 minutes.

  • If you're traveling by public transport, expect a journey time of around 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from Missoula International Airport to Portland International Airport is May, while July is the busiest. Pick the best time to go to Portland based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from Missoula International Airport to Portland International Airport for August if you'd like to go to Portland during its warmest month. You can expect temperatures of between 12ºC and 31ºC.

  • Search for cheap flight tickets from MSO to PDX in December if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 0ºC and 9ºC on average.

More about Portland

  • If you're looking for somewhere to lay your head, you'll find the top stays in Portland right here. Explore these options once you've booked your flight from MSO to PDX:

  • Pioneer Courthouse Square and Portland Japanese Garden are just a couple of the big attractions to put on your Portland travel itinerary. Keep the momentum going by heading to Pittock Mansion.

Complete your Portland trip with hotels and a car rental

  • Comparing flights is not the only thing we do. After booking your cheap ticket to Portland International Airport, check out our great car rental offers that'll give you the freedom and flexibility to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal Portland stay.

Plan the rest of your trip from Missoula to Portland

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.