Find Cheap Flights from Portland to Missoula (PDX - MSO)

Flights overview

Useful information for finding cheap flights from Portland to Missoula and booking your next trip

Cheapest round-trip flights	$278	United 1 stop 7 hr Sat, May 30 — Sun, May 31	The cheapest round-trip flight from Portland to Missoula is currently $278
Cheapest one-way flight	$129	Alaska 1 stop 6 hr Wed, May 27	The cheapest one-way flight from Portland to Missoula is currently $129
Cheapest nonstop flights	$339	Alaska Nonstop 2 hr Thu, May 28 — Mon, Jun 1	The cheapest nonstop round-trip flight from Portland to Missoula is currently $339
Last-minute weekend getaway	$629	Alaska Nonstop 2 hr Sat, May 9 — Sun, May 10	The cheapest last-minute weekend getaway from Portland to Missoula is currently $629
Cheapest business class flights	$478	Alaska 1 stop 6 hr Sat, May 30 — Mon, Jun 1	The cheapest business class round-trip flight from Portland to Missoula is currently $478

Fastest flight	1 hr 29 min	The fastest nonstop flight from Portland to Missoula takes 1 hr 29 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Portland to Missoula is typically November. The most expensive month to fly is typically May.

November Cheapest	Typical prices: $165–480
May Most expensive	Typical prices: $255–540

Popular airlines from Portland to Missoula

Alaska

Nonstop

from $318

Typical price: $195–465

7 weekly nonstop flights

PDX - MSO Every day

521 weekly connecting flights

PDX - MSO Every day
Delta

from $287

Typical price: $245–610

187 weekly connecting flights

PDX - MSO Every day
United

from $297

Typical price: $270–650

77 weekly connecting flights

PDX - MSO Every day
American

from $620

Typical price: $560–1,150

28 weekly connecting flights

PDX - MSO Every day

Popular airports near Portland

Portland International Airport (PDX)

Portland United States 20 min 6 mi
Seattle-Tacoma International Airport (SEA)

Seattle United States 2 hr 37 min 134 mi
Eugene Airport (EUG)

Eugene United States 1 hr 54 min 99 mi
Redmond Municipal Airport (RDM)

Redmond United States 3 hr 114 mi

Popular airports near Missoula

Missoula Montana Airport (MSO)

Missoula United States 16 min 5 mi
Bozeman Yellowstone International Airport (BZN)

Bozeman United States 2 hr 53 min 155 mi
Spokane International Airport (GEG)

Spokane United States 3 hr 13 min 173 mi
Glacier Park International Airport (FCA)

Kalispell United States 2 hr 19 min 100 mi

Frequently asked questions about flying from Portland to Missoula

The cheapest flights from Portland to Missoula are usually in November. Typical ticket prices in November range from $165 to $480.

The cheapest round-trip flight from Portland to Missoula recently found on Google Flights was with United from $278. The cheapest one-way flight was with Alaska from $129.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Portland to Missoula is $318, flying from May 30 to Jun 1.
The cheapest Delta flight from Portland to Missoula is $287, flying from May 30 to May 31.
The cheapest United flight from Portland to Missoula is $297, flying from May 30 to Jun 1.
The cheapest American flight from Portland to Missoula is $620, flying from May 29 to May 31.

The cheapest round-trip flight from Portland to Missoula starts at $278 from Sat, May 30 to Sun, May 31. The cheapest one-way flight starts at $129 and departs on Wed, May 27.

1 hr 29 min is the shortest flight time from Portland to Missoula.

Peak travel is during the dry, warm summer months (Jun–Aug). Winters (Dec–Feb) are cold, with below-freezing temperatures and moderate snowfall. The Big Sky Documentary Film Festival (Feb) showcases non-fiction films from around the world. Fort Missoula’s Independence Day celebrations (Jul 4) include games, crafts and demonstrations. The River City Roots Festival (varies, usually Aug) features live music, a fine-art exhibition and a fun run.

It's easy to use Google Flights to find the cheapest days to fly from Portland to Missoula.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Portland to Missoula really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Portland to Missoula.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 7 nonstop flights and 521 connecting flights per week. Alaska flies from Portland International Airport (PDX) to Missoula Montana Airport (MSO) .

Other popular airlines flying from Portland to Missoula are:

Delta offers 187 connecting flights per week. Delta flies from Portland International Airport (PDX) to Missoula Montana Airport (MSO) .
United offers 77 connecting flights per week. United flies from Portland International Airport (PDX) to Missoula Montana Airport (MSO) .
American offers 28 connecting flights per week. American flies from Portland International Airport (PDX) to Missoula Montana Airport (MSO) .

The number of connecting flights refers to distinct flights with at least one stop between Portland and Missoula.

The cheapest round-trip flight from Portland to Missoula recently found on Google Flights was with United from $278. The cheapest one-way flight was with Alaska from $129.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Alaska flight from Portland to Missoula is $318, flying from May 30 to Jun 1.
The cheapest Delta flight from Portland to Missoula is $287, flying from May 30 to May 31.
The cheapest United flight from Portland to Missoula is $297, flying from May 30 to Jun 1.
The cheapest American flight from Portland to Missoula is $620, flying from May 29 to May 31.

Alaska flies direct from Portland to Missoula.

There are 7 Alaska direct flights from Portland to Missoula per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Portland and Missoula at price $629 is offered by Alaska from Sat, May 9 to Sun, May 10.

Alaska flies direct from Portland to Missoula.

There are 7 Alaska direct flights from Portland to Missoula per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Portland to Missoula on a daily basis.

The cheapest direct (nonstop) round-trip flights between Portland and Missoula start at $339 from Thu, May 28 to Mon, Jun 1 with Alaska.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Portland to Missoula, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Portland and Missoula start at $478 from Sat, May 30 to Mon, Jun 1 with Alaska.

The cheapest economy class round-trip flights between Portland and Missoula start at $278 from Sat, May 30 to Sun, May 31.

To book business class trips from Portland to Missoula, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Portland and Missoula starts at $629 from Sat, May 9 to Sun, May 10 with Alaska.

The cheapest last-minute deal between Portland and Missoula at price $629 is offered by Alaska from Sat, May 9 to Sun, May 10.

To find last-minute flight deals from Portland to Missoula, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.